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<div class="title">dbus-transport-socket.c</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/* dbus-transport-socket.c Socket subclasses of DBusTransport</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002, 2003, 2004, 2006 Red Hat Inc.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * Licensed under the Academic Free License version 2.1</span>
<a name="l00007"></a>00007 <span class="comment"> * </span>
<a name="l00008"></a>00008 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
<a name="l00009"></a>00009 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00010"></a>00010 <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00011"></a>00011 <span class="comment"> * (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00016"></a>00016 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"> * </span>
<a name="l00018"></a>00018 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00019"></a>00019 <span class="comment"> * along with this program; if not, write to the Free Software</span>
<a name="l00020"></a>00020 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> */</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include <config.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "dbus-internals.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "dbus-connection-internal.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "dbus-nonce.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "dbus-transport-socket.h"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "dbus-transport-protected.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "dbus-watch.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "dbus-credentials.h"</span>
<a name="l00032"></a>00032
<a name="l00044"></a><a class="code" href="group__DBusTransportSocket.html#ga762346435786136b694d19a9bc5bce37">00044</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>;
<a name="l00045"></a>00045
<a name="l00049"></a><a class="code" href="structDBusTransportSocket.html">00049</a> <span class="keyword">struct </span><a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>
<a name="l00050"></a>00050 {
<a name="l00051"></a><a class="code" href="structDBusTransportSocket.html#ab820e51211635434c40ffa812d8013e5">00051</a> <a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> <a class="code" href="structDBusTransportSocket.html#ab820e51211635434c40ffa812d8013e5" title="Parent instance.">base</a>;
<a name="l00052"></a><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f">00052</a> <span class="keywordtype">int</span> <a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>;
<a name="l00053"></a><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6">00053</a> <a class="code" href="structDBusWatch.html" title="Implementation of DBusWatch.">DBusWatch</a> *<a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>;
<a name="l00054"></a><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9">00054</a> <a class="code" href="structDBusWatch.html" title="Implementation of DBusWatch.">DBusWatch</a> *<a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>;
<a name="l00056"></a><a class="code" href="structDBusTransportSocket.html#ac70dd065b0e2805198432d93f5f4f5dc">00056</a> <span class="keywordtype">int</span> <a class="code" href="structDBusTransportSocket.html#ac70dd065b0e2805198432d93f5f4f5dc" title="To avoid blocking too long.">max_bytes_read_per_iteration</a>;
<a name="l00057"></a><a class="code" href="structDBusTransportSocket.html#a5e8631812d429f8567974836627ab3de">00057</a> <span class="keywordtype">int</span> <a class="code" href="structDBusTransportSocket.html#a5e8631812d429f8567974836627ab3de" title="To avoid blocking too long.">max_bytes_written_per_iteration</a>;
<a name="l00059"></a><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7">00059</a> <span class="keywordtype">int</span> <a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a>;
<a name="l00063"></a><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6">00063</a> <a class="code" href="structDBusString.html">DBusString</a> <a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>;
<a name="l00066"></a><a class="code" href="structDBusTransportSocket.html#a840f1a09f5256b5c737e3e45beb47966">00066</a> <a class="code" href="structDBusString.html">DBusString</a> <a class="code" href="structDBusTransportSocket.html#a840f1a09f5256b5c737e3e45beb47966" title="Encoded version of current incoming data.">encoded_incoming</a>;
<a name="l00069"></a>00069 };
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00072"></a>00072 free_watches (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport)
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l00075"></a>00075
<a name="l00076"></a>00076 _dbus_verbose (<span class="stringliteral">"start\n"</span>);
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keywordflow">if</span> (socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>)
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>)
<a name="l00081"></a>00081 <a class="code" href="group__DBusConnectionInternals.html#ga65fc02c0756d0c7caaa39cd60922c99b" title="Removes a watch using the connection's DBusRemoveWatchFunction if available.">_dbus_connection_remove_watch_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>,
<a name="l00082"></a>00082 socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>);
<a name="l00083"></a>00083 <a class="code" href="group__DBusWatchInternals.html#gad8521d64123c1d1ae9a094bac8addd31" title="Clears the file descriptor from a now-invalid watch object so that no one tries to use it...">_dbus_watch_invalidate</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>);
<a name="l00084"></a>00084 <a class="code" href="group__DBusWatchInternals.html#ga7d27dfc13a3ccfbaa99ceab331bb46f0" title="Decrements the reference count of a DBusWatch object and finalizes the object if the count reaches ze...">_dbus_watch_unref</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>);
<a name="l00085"></a>00085 socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a> = <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordflow">if</span> (socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>)
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>)
<a name="l00091"></a>00091 <a class="code" href="group__DBusConnectionInternals.html#ga65fc02c0756d0c7caaa39cd60922c99b" title="Removes a watch using the connection's DBusRemoveWatchFunction if available.">_dbus_connection_remove_watch_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>,
<a name="l00092"></a>00092 socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>);
<a name="l00093"></a>00093 <a class="code" href="group__DBusWatchInternals.html#gad8521d64123c1d1ae9a094bac8addd31" title="Clears the file descriptor from a now-invalid watch object so that no one tries to use it...">_dbus_watch_invalidate</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>);
<a name="l00094"></a>00094 <a class="code" href="group__DBusWatchInternals.html#ga7d27dfc13a3ccfbaa99ceab331bb46f0" title="Decrements the reference count of a DBusWatch object and finalizes the object if the count reaches ze...">_dbus_watch_unref</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>);
<a name="l00095"></a>00095 socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a> = <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097
<a name="l00098"></a>00098 _dbus_verbose (<span class="stringliteral">"end\n"</span>);
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00102"></a>00102 socket_finalize (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport)
<a name="l00103"></a>00103 {
<a name="l00104"></a>00104 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l00105"></a>00105
<a name="l00106"></a>00106 _dbus_verbose (<span class="stringliteral">"\n"</span>);
<a name="l00107"></a>00107
<a name="l00108"></a>00108 free_watches (transport);
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <a class="code" href="group__DBusString.html#ga781ca91acda49a834dce7d0ed0eef212" title="Frees a string created by _dbus_string_init().">_dbus_string_free</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>);
<a name="l00111"></a>00111 <a class="code" href="group__DBusString.html#ga781ca91acda49a834dce7d0ed0eef212" title="Frees a string created by _dbus_string_init().">_dbus_string_free</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a840f1a09f5256b5c737e3e45beb47966" title="Encoded version of current incoming data.">encoded_incoming</a>);
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <a class="code" href="group__DBusTransport.html#gaf27a2aceb062921f3915acb1491a646a" title="Finalizes base class members of DBusTransport.">_dbus_transport_finalize_base</a> (transport);
<a name="l00114"></a>00114
<a name="l00115"></a>00115 _dbus_assert (socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a> == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00116"></a>00116 _dbus_assert (socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a> == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <a class="code" href="group__DBusMemory.html#ga34e666b19b015035a9a31e53da84b39a" title="Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().">dbus_free</a> (transport);
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00122"></a>00122 check_write_watch (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport)
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l00125"></a>00125 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> needed;
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a> == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00128"></a>00128 <span class="keywordflow">return</span>;
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#a487a7375e94efba850f8344a252cfa63" title="TRUE if we are disconnected.">disconnected</a>)
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 _dbus_assert (socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a> == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00133"></a>00133 <span class="keywordflow">return</span>;
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <a class="code" href="group__DBusTransport.html#ga31d6dbc864c9ea643d72521bbb1b7c56" title="Increments the reference count for the transport.">_dbus_transport_ref</a> (transport);
<a name="l00137"></a>00137
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (<a class="code" href="group__DBusTransport.html#gabe774b134a4bf8c8fc09e6186470874f" title="Returns TRUE if we have been authenticated.">_dbus_transport_try_to_authenticate</a> (transport))
<a name="l00139"></a>00139 needed = <a class="code" href="group__DBusConnectionInternals.html#ga3d31a01751860b67f960dcaffb7bb4ef" title="Checks whether there are messages in the outgoing message queue.">_dbus_connection_has_messages_to_send_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>);
<a name="l00140"></a>00140 <span class="keywordflow">else</span>
<a name="l00141"></a>00141 {
<a name="l00142"></a>00142 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#a7d91848b94203022be1090d93dd2cd04" title="TRUE if we need to send credentials">send_credentials_pending</a>)
<a name="l00143"></a>00143 needed = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00144"></a>00144 <span class="keywordflow">else</span>
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 DBusAuthState auth_state;
<a name="l00147"></a>00147
<a name="l00148"></a>00148 auth_state = <a class="code" href="group__DBusAuth.html#ga097c71f7f20b749275c6b31cd98623f5" title="Analyzes buffered input and moves the auth conversation forward, returning the new state of the auth ...">_dbus_auth_do_work</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>);
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="comment">/* If we need memory we install the write watch just in case,</span>
<a name="l00151"></a>00151 <span class="comment"> * if there's no need for it, it will get de-installed</span>
<a name="l00152"></a>00152 <span class="comment"> * next time we try reading.</span>
<a name="l00153"></a>00153 <span class="comment"> */</span>
<a name="l00154"></a>00154 <span class="keywordflow">if</span> (auth_state == DBUS_AUTH_STATE_HAVE_BYTES_TO_SEND ||
<a name="l00155"></a>00155 auth_state == DBUS_AUTH_STATE_WAITING_FOR_MEMORY)
<a name="l00156"></a>00156 needed = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00157"></a>00157 <span class="keywordflow">else</span>
<a name="l00158"></a>00158 needed = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161
<a name="l00162"></a>00162 _dbus_verbose (<span class="stringliteral">"check_write_watch(): needed = %d on connection %p watch %p fd = %d outgoing messages exist %d\n"</span>,
<a name="l00163"></a>00163 needed, transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>, socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>,
<a name="l00164"></a>00164 socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>,
<a name="l00165"></a>00165 <a class="code" href="group__DBusConnectionInternals.html#ga3d31a01751860b67f960dcaffb7bb4ef" title="Checks whether there are messages in the outgoing message queue.">_dbus_connection_has_messages_to_send_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>));
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <a class="code" href="group__DBusConnectionInternals.html#ga6c00e2eaf225b154760976af5688d250" title="Toggles a watch and notifies app via connection's DBusWatchToggledFunction if available.">_dbus_connection_toggle_watch_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>,
<a name="l00168"></a>00168 socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>,
<a name="l00169"></a>00169 needed);
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <a class="code" href="group__DBusTransport.html#gab7c53c32a2320c81aae8ce4345762e73" title="Decrements the reference count for the transport.">_dbus_transport_unref</a> (transport);
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00175"></a>00175 check_read_watch (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport)
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l00178"></a>00178 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> need_read_watch;
<a name="l00179"></a>00179
<a name="l00180"></a>00180 _dbus_verbose (<span class="stringliteral">"fd = %d\n"</span>,socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>);
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a> == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00183"></a>00183 <span class="keywordflow">return</span>;
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#a487a7375e94efba850f8344a252cfa63" title="TRUE if we are disconnected.">disconnected</a>)
<a name="l00186"></a>00186 {
<a name="l00187"></a>00187 _dbus_assert (socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a> == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00188"></a>00188 <span class="keywordflow">return</span>;
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <a class="code" href="group__DBusTransport.html#ga31d6dbc864c9ea643d72521bbb1b7c56" title="Increments the reference count for the transport.">_dbus_transport_ref</a> (transport);
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="keywordflow">if</span> (<a class="code" href="group__DBusTransport.html#gabe774b134a4bf8c8fc09e6186470874f" title="Returns TRUE if we have been authenticated.">_dbus_transport_try_to_authenticate</a> (transport))
<a name="l00194"></a>00194 need_read_watch =
<a name="l00195"></a>00195 (<a class="code" href="group__DBusResources.html#ga49de078fb626aff30f273933ad5c8b2a" title="Gets the current value of the size counter.">_dbus_counter_get_size_value</a> (transport-><a class="code" href="structDBusTransport.html#afb19bae6f7cfe595f3f1ae0ce53ccab0" title="Counter for size/unix fds of all live messages.">live_messages</a>) < transport-><a class="code" href="structDBusTransport.html#a23e0925741fc1c4ba3a369bac4bca4b6" title="Max total size of received messages.">max_live_messages_size</a>) &&
<a name="l00196"></a>00196 (<a class="code" href="group__DBusResources.html#ga25b2d12b9dc4d3525df2b8401f4ce56d" title="Gets the current value of the unix fd counter.">_dbus_counter_get_unix_fd_value</a> (transport-><a class="code" href="structDBusTransport.html#afb19bae6f7cfe595f3f1ae0ce53ccab0" title="Counter for size/unix fds of all live messages.">live_messages</a>) < transport-><a class="code" href="structDBusTransport.html#a2d96972bbc56b78360cb0cfaa3f30266" title="Max total unix fds of received messages.">max_live_messages_unix_fds</a>);
<a name="l00197"></a>00197 <span class="keywordflow">else</span>
<a name="l00198"></a>00198 {
<a name="l00199"></a>00199 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#aaa29089fbb1fbdb5b412b3ed18c84b2d" title="TRUE if we need to receive credentials">receive_credentials_pending</a>)
<a name="l00200"></a>00200 need_read_watch = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00201"></a>00201 <span class="keywordflow">else</span>
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 <span class="comment">/* The reason to disable need_read_watch when not WAITING_FOR_INPUT</span>
<a name="l00204"></a>00204 <span class="comment"> * is to avoid spinning on the file descriptor when we're waiting</span>
<a name="l00205"></a>00205 <span class="comment"> * to write or for some other part of the auth process</span>
<a name="l00206"></a>00206 <span class="comment"> */</span>
<a name="l00207"></a>00207 DBusAuthState auth_state;
<a name="l00208"></a>00208
<a name="l00209"></a>00209 auth_state = <a class="code" href="group__DBusAuth.html#ga097c71f7f20b749275c6b31cd98623f5" title="Analyzes buffered input and moves the auth conversation forward, returning the new state of the auth ...">_dbus_auth_do_work</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>);
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <span class="comment">/* If we need memory we install the read watch just in case,</span>
<a name="l00212"></a>00212 <span class="comment"> * if there's no need for it, it will get de-installed</span>
<a name="l00213"></a>00213 <span class="comment"> * next time we try reading. If we're authenticated we</span>
<a name="l00214"></a>00214 <span class="comment"> * install it since we normally have it installed while</span>
<a name="l00215"></a>00215 <span class="comment"> * authenticated.</span>
<a name="l00216"></a>00216 <span class="comment"> */</span>
<a name="l00217"></a>00217 <span class="keywordflow">if</span> (auth_state == DBUS_AUTH_STATE_WAITING_FOR_INPUT ||
<a name="l00218"></a>00218 auth_state == DBUS_AUTH_STATE_WAITING_FOR_MEMORY ||
<a name="l00219"></a>00219 auth_state == DBUS_AUTH_STATE_AUTHENTICATED)
<a name="l00220"></a>00220 need_read_watch = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00221"></a>00221 <span class="keywordflow">else</span>
<a name="l00222"></a>00222 need_read_watch = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224 }
<a name="l00225"></a>00225
<a name="l00226"></a>00226 _dbus_verbose (<span class="stringliteral">" setting read watch enabled = %d\n"</span>, need_read_watch);
<a name="l00227"></a>00227 <a class="code" href="group__DBusConnectionInternals.html#ga6c00e2eaf225b154760976af5688d250" title="Toggles a watch and notifies app via connection's DBusWatchToggledFunction if available.">_dbus_connection_toggle_watch_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>,
<a name="l00228"></a>00228 socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>,
<a name="l00229"></a>00229 need_read_watch);
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <a class="code" href="group__DBusTransport.html#gab7c53c32a2320c81aae8ce4345762e73" title="Decrements the reference count for the transport.">_dbus_transport_unref</a> (transport);
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00235"></a>00235 do_io_error (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport)
<a name="l00236"></a>00236 {
<a name="l00237"></a>00237 <a class="code" href="group__DBusTransport.html#ga31d6dbc864c9ea643d72521bbb1b7c56" title="Increments the reference count for the transport.">_dbus_transport_ref</a> (transport);
<a name="l00238"></a>00238 <a class="code" href="group__DBusTransport.html#ga78444dd8f6c6d6b429433ad81c3e318a" title="Closes our end of the connection to a remote application.">_dbus_transport_disconnect</a> (transport);
<a name="l00239"></a>00239 <a class="code" href="group__DBusTransport.html#gab7c53c32a2320c81aae8ce4345762e73" title="Decrements the reference count for the transport.">_dbus_transport_unref</a> (transport);
<a name="l00240"></a>00240 }
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <span class="comment">/* return value is whether we successfully read any new data. */</span>
<a name="l00243"></a>00243 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00244"></a>00244 read_data_into_auth (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport,
<a name="l00245"></a>00245 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> *oom)
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l00248"></a>00248 <a class="code" href="structDBusString.html">DBusString</a> *buffer;
<a name="l00249"></a>00249 <span class="keywordtype">int</span> bytes_read;
<a name="l00250"></a>00250
<a name="l00251"></a>00251 *oom = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <a class="code" href="group__DBusAuth.html#gac0fc38d8d0d139e4d52787881a324c05" title="Get a buffer to be used for reading bytes from the peer we're conversing with.">_dbus_auth_get_buffer</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>, &buffer);
<a name="l00254"></a>00254
<a name="l00255"></a>00255 bytes_read = <a class="code" href="group__DBusSysdeps.html#ga6fe72fa1c0484ac5594b08145ea19530" title="Like _dbus_read(), but only works on sockets so is available on Windows.">_dbus_read_socket</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>,
<a name="l00256"></a>00256 buffer, socket_transport-><a class="code" href="structDBusTransportSocket.html#ac70dd065b0e2805198432d93f5f4f5dc" title="To avoid blocking too long.">max_bytes_read_per_iteration</a>);
<a name="l00257"></a>00257
<a name="l00258"></a>00258 <a class="code" href="group__DBusAuth.html#ga842c246877d16cb9a75cc9828a5433c2" title="Returns a buffer with new data read into it.">_dbus_auth_return_buffer</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>, buffer);
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="keywordflow">if</span> (bytes_read > 0)
<a name="l00261"></a>00261 {
<a name="l00262"></a>00262 _dbus_verbose (<span class="stringliteral">" read %d bytes in auth phase\n"</span>, bytes_read);
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00265"></a>00265 }
<a name="l00266"></a>00266 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (bytes_read < 0)
<a name="l00267"></a>00267 {
<a name="l00268"></a>00268 <span class="comment">/* EINTR already handled for us */</span>
<a name="l00269"></a>00269
<a name="l00270"></a>00270 <span class="keywordflow">if</span> (<a class="code" href="group__DBusInternalsUtils.html#gaec2ce24907adaedd1bf88bb28d82c96d" title="See if errno is ENOMEM.">_dbus_get_is_errno_enomem</a> ())
<a name="l00271"></a>00271 {
<a name="l00272"></a>00272 *oom = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00273"></a>00273 }
<a name="l00274"></a>00274 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdeps.html#gaa03e5d4d95ef46a70d25fe315e674e24" title="See if errno is EAGAIN or EWOULDBLOCK (this has to be done differently for Winsock so is abstracted)...">_dbus_get_is_errno_eagain_or_ewouldblock</a> ())
<a name="l00275"></a>00275 ; <span class="comment">/* do nothing, just return FALSE below */</span>
<a name="l00276"></a>00276 <span class="keywordflow">else</span>
<a name="l00277"></a>00277 {
<a name="l00278"></a>00278 _dbus_verbose (<span class="stringliteral">"Error reading from remote app: %s\n"</span>,
<a name="l00279"></a>00279 <a class="code" href="group__DBusInternalsUtils.html#ga56de84795d6df4162ad79b3be7af7588" title="Get error message from errno.">_dbus_strerror_from_errno</a> ());
<a name="l00280"></a>00280 do_io_error (transport);
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282
<a name="l00283"></a>00283 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285 <span class="keywordflow">else</span>
<a name="l00286"></a>00286 {
<a name="l00287"></a>00287 _dbus_assert (bytes_read == 0);
<a name="l00288"></a>00288
<a name="l00289"></a>00289 _dbus_verbose (<span class="stringliteral">"Disconnected from remote app\n"</span>);
<a name="l00290"></a>00290 do_io_error (transport);
<a name="l00291"></a>00291
<a name="l00292"></a>00292 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294 }
<a name="l00295"></a>00295
<a name="l00296"></a>00296 <span class="comment">/* Return value is whether we successfully wrote any bytes */</span>
<a name="l00297"></a>00297 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00298"></a>00298 write_data_from_auth (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport)
<a name="l00299"></a>00299 {
<a name="l00300"></a>00300 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l00301"></a>00301 <span class="keywordtype">int</span> bytes_written;
<a name="l00302"></a>00302 <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *buffer;
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusAuth.html#ga7befc68c815fe31d7fa556b699ef67de" title="Gets bytes that need to be sent to the peer we're conversing with.">_dbus_auth_get_bytes_to_send</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>,
<a name="l00305"></a>00305 &buffer))
<a name="l00306"></a>00306 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00307"></a>00307
<a name="l00308"></a>00308 bytes_written = <a class="code" href="group__DBusSysdeps.html#ga346cadd9b0f7d0ae1cd19007b2e4c2de" title="Like _dbus_write(), but only supports sockets and is thus available on Windows.">_dbus_write_socket</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>,
<a name="l00309"></a>00309 buffer,
<a name="l00310"></a>00310 0, <a class="code" href="group__DBusString.html#gaa5136e6fd2c5188f4b88de7863369c6d" title="Gets the length of a string (not including nul termination).">_dbus_string_get_length</a> (buffer));
<a name="l00311"></a>00311
<a name="l00312"></a>00312 <span class="keywordflow">if</span> (bytes_written > 0)
<a name="l00313"></a>00313 {
<a name="l00314"></a>00314 <a class="code" href="group__DBusAuth.html#gaed9f7f1d3289a0ae2fea2204729ac01f" title="Notifies the auth conversation object that the given number of bytes of the outgoing buffer have been...">_dbus_auth_bytes_sent</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>, bytes_written);
<a name="l00315"></a>00315 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (bytes_written < 0)
<a name="l00318"></a>00318 {
<a name="l00319"></a>00319 <span class="comment">/* EINTR already handled for us */</span>
<a name="l00320"></a>00320
<a name="l00321"></a>00321 <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdeps.html#gaa03e5d4d95ef46a70d25fe315e674e24" title="See if errno is EAGAIN or EWOULDBLOCK (this has to be done differently for Winsock so is abstracted)...">_dbus_get_is_errno_eagain_or_ewouldblock</a> ())
<a name="l00322"></a>00322 ;
<a name="l00323"></a>00323 <span class="keywordflow">else</span>
<a name="l00324"></a>00324 {
<a name="l00325"></a>00325 _dbus_verbose (<span class="stringliteral">"Error writing to remote app: %s\n"</span>,
<a name="l00326"></a>00326 <a class="code" href="group__DBusInternalsUtils.html#ga56de84795d6df4162ad79b3be7af7588" title="Get error message from errno.">_dbus_strerror_from_errno</a> ());
<a name="l00327"></a>00327 do_io_error (transport);
<a name="l00328"></a>00328 }
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00332"></a>00332 }
<a name="l00333"></a>00333
<a name="l00334"></a>00334 <span class="comment">/* FALSE on OOM */</span>
<a name="l00335"></a>00335 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00336"></a>00336 exchange_credentials (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport,
<a name="l00337"></a>00337 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> do_reading,
<a name="l00338"></a>00338 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> do_writing)
<a name="l00339"></a>00339 {
<a name="l00340"></a>00340 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l00341"></a>00341 <a class="code" href="structDBusError.html" title="Object representing an exception.">DBusError</a> error = <a class="code" href="group__DBusErrorInternals.html#ga961cc70e3891282a65205c4c8418d88e" title="Expands to a suitable initializer for a DBusError on the stack.">DBUS_ERROR_INIT</a>;
<a name="l00342"></a>00342
<a name="l00343"></a>00343 _dbus_verbose (<span class="stringliteral">"exchange_credentials: do_reading = %d, do_writing = %d\n"</span>,
<a name="l00344"></a>00344 do_reading, do_writing);
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="keywordflow">if</span> (do_writing && transport-><a class="code" href="structDBusTransport.html#a7d91848b94203022be1090d93dd2cd04" title="TRUE if we need to send credentials">send_credentials_pending</a>)
<a name="l00347"></a>00347 {
<a name="l00348"></a>00348 <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdeps.html#ga6cc9916aa1dde4d44072ee85b5691b5b" title="Sends a single nul byte with our UNIX credentials as ancillary data.">_dbus_send_credentials_socket</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>,
<a name="l00349"></a>00349 &error))
<a name="l00350"></a>00350 {
<a name="l00351"></a>00351 transport-><a class="code" href="structDBusTransport.html#a7d91848b94203022be1090d93dd2cd04" title="TRUE if we need to send credentials">send_credentials_pending</a> = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353 <span class="keywordflow">else</span>
<a name="l00354"></a>00354 {
<a name="l00355"></a>00355 _dbus_verbose (<span class="stringliteral">"Failed to write credentials: %s\n"</span>, error.<a class="code" href="structDBusError.html#afb559175326de5b6b340e26204e92d72" title="public error message field">message</a>);
<a name="l00356"></a>00356 <a class="code" href="group__DBusErrors.html#gaac6c14ead14829ee4e090f39de6a7568" title="Frees an error that's been set (or just initialized), then reinitializes the error as in dbus_error_i...">dbus_error_free</a> (&error);
<a name="l00357"></a>00357 do_io_error (transport);
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359 }
<a name="l00360"></a>00360
<a name="l00361"></a>00361 <span class="keywordflow">if</span> (do_reading && transport-><a class="code" href="structDBusTransport.html#aaa29089fbb1fbdb5b412b3ed18c84b2d" title="TRUE if we need to receive credentials">receive_credentials_pending</a>)
<a name="l00362"></a>00362 {
<a name="l00363"></a>00363 <span class="comment">/* FIXME this can fail due to IO error _or_ OOM, broken</span>
<a name="l00364"></a>00364 <span class="comment"> * (somewhat tricky to fix since the OOM error can be set after</span>
<a name="l00365"></a>00365 <span class="comment"> * we already read the credentials byte, so basically we need to</span>
<a name="l00366"></a>00366 <span class="comment"> * separate reading the byte and storing it in the</span>
<a name="l00367"></a>00367 <span class="comment"> * transport->credentials). Does not really matter for now</span>
<a name="l00368"></a>00368 <span class="comment"> * because storing in credentials never actually fails on unix.</span>
<a name="l00369"></a>00369 <span class="comment"> */</span>
<a name="l00370"></a>00370 <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdeps.html#ga9906c86bebb51358f0d8df6a42af30f6" title="Reads a single byte which must be nul (an error occurs otherwise), and reads unix credentials if avai...">_dbus_read_credentials_socket</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>,
<a name="l00371"></a>00371 transport-><a class="code" href="structDBusTransport.html#acb3d5fe913d4c281f3495e95cd450c57" title="Credentials of other end read from the socket.">credentials</a>,
<a name="l00372"></a>00372 &error))
<a name="l00373"></a>00373 {
<a name="l00374"></a>00374 transport-><a class="code" href="structDBusTransport.html#aaa29089fbb1fbdb5b412b3ed18c84b2d" title="TRUE if we need to receive credentials">receive_credentials_pending</a> = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00375"></a>00375 }
<a name="l00376"></a>00376 <span class="keywordflow">else</span>
<a name="l00377"></a>00377 {
<a name="l00378"></a>00378 _dbus_verbose (<span class="stringliteral">"Failed to read credentials %s\n"</span>, error.<a class="code" href="structDBusError.html#afb559175326de5b6b340e26204e92d72" title="public error message field">message</a>);
<a name="l00379"></a>00379 <a class="code" href="group__DBusErrors.html#gaac6c14ead14829ee4e090f39de6a7568" title="Frees an error that's been set (or just initialized), then reinitializes the error as in dbus_error_i...">dbus_error_free</a> (&error);
<a name="l00380"></a>00380 do_io_error (transport);
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382 }
<a name="l00383"></a>00383
<a name="l00384"></a>00384 <span class="keywordflow">if</span> (!(transport-><a class="code" href="structDBusTransport.html#a7d91848b94203022be1090d93dd2cd04" title="TRUE if we need to send credentials">send_credentials_pending</a> ||
<a name="l00385"></a>00385 transport-><a class="code" href="structDBusTransport.html#aaa29089fbb1fbdb5b412b3ed18c84b2d" title="TRUE if we need to receive credentials">receive_credentials_pending</a>))
<a name="l00386"></a>00386 {
<a name="l00387"></a>00387 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusAuth.html#ga2bb917d44b44b1a2813f60dec03731cd" title="Sets credentials received via reliable means from the operating system.">_dbus_auth_set_credentials</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>,
<a name="l00388"></a>00388 transport-><a class="code" href="structDBusTransport.html#acb3d5fe913d4c281f3495e95cd450c57" title="Credentials of other end read from the socket.">credentials</a>))
<a name="l00389"></a>00389 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00390"></a>00390 }
<a name="l00391"></a>00391
<a name="l00392"></a>00392 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00393"></a>00393 }
<a name="l00394"></a>00394
<a name="l00395"></a>00395 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00396"></a>00396 do_authentication (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport,
<a name="l00397"></a>00397 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> do_reading,
<a name="l00398"></a>00398 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> do_writing,
<a name="l00399"></a>00399 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> *auth_completed)
<a name="l00400"></a>00400 {
<a name="l00401"></a>00401 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> oom;
<a name="l00402"></a>00402 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> orig_auth_state;
<a name="l00403"></a>00403
<a name="l00404"></a>00404 oom = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00405"></a>00405
<a name="l00406"></a>00406 orig_auth_state = <a class="code" href="group__DBusTransport.html#gabe774b134a4bf8c8fc09e6186470874f" title="Returns TRUE if we have been authenticated.">_dbus_transport_try_to_authenticate</a> (transport);
<a name="l00407"></a>00407
<a name="l00408"></a>00408 <span class="comment">/* This is essential to avoid the check_write_watch() at the end,</span>
<a name="l00409"></a>00409 <span class="comment"> * we don't want to add a write watch in do_iteration before</span>
<a name="l00410"></a>00410 <span class="comment"> * we try writing and get EAGAIN</span>
<a name="l00411"></a>00411 <span class="comment"> */</span>
<a name="l00412"></a>00412 <span class="keywordflow">if</span> (orig_auth_state)
<a name="l00413"></a>00413 {
<a name="l00414"></a>00414 <span class="keywordflow">if</span> (auth_completed)
<a name="l00415"></a>00415 *auth_completed = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00416"></a>00416 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00417"></a>00417 }
<a name="l00418"></a>00418
<a name="l00419"></a>00419 <a class="code" href="group__DBusTransport.html#ga31d6dbc864c9ea643d72521bbb1b7c56" title="Increments the reference count for the transport.">_dbus_transport_ref</a> (transport);
<a name="l00420"></a>00420
<a name="l00421"></a>00421 <span class="keywordflow">while</span> (!<a class="code" href="group__DBusTransport.html#gabe774b134a4bf8c8fc09e6186470874f" title="Returns TRUE if we have been authenticated.">_dbus_transport_try_to_authenticate</a> (transport) &&
<a name="l00422"></a>00422 <a class="code" href="group__DBusTransport.html#gaceee4b098b0177870ad934daad90a9c6" title="Returns TRUE if the transport has not been disconnected.">_dbus_transport_get_is_connected</a> (transport))
<a name="l00423"></a>00423 {
<a name="l00424"></a>00424 <span class="keywordflow">if</span> (!exchange_credentials (transport, do_reading, do_writing))
<a name="l00425"></a>00425 {
<a name="l00426"></a>00426 <span class="comment">/* OOM */</span>
<a name="l00427"></a>00427 oom = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00428"></a>00428 <span class="keywordflow">goto</span> out;
<a name="l00429"></a>00429 }
<a name="l00430"></a>00430
<a name="l00431"></a>00431 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#a7d91848b94203022be1090d93dd2cd04" title="TRUE if we need to send credentials">send_credentials_pending</a> ||
<a name="l00432"></a>00432 transport-><a class="code" href="structDBusTransport.html#aaa29089fbb1fbdb5b412b3ed18c84b2d" title="TRUE if we need to receive credentials">receive_credentials_pending</a>)
<a name="l00433"></a>00433 {
<a name="l00434"></a>00434 _dbus_verbose (<span class="stringliteral">"send_credentials_pending = %d receive_credentials_pending = %d\n"</span>,
<a name="l00435"></a>00435 transport-><a class="code" href="structDBusTransport.html#a7d91848b94203022be1090d93dd2cd04" title="TRUE if we need to send credentials">send_credentials_pending</a>,
<a name="l00436"></a>00436 transport-><a class="code" href="structDBusTransport.html#aaa29089fbb1fbdb5b412b3ed18c84b2d" title="TRUE if we need to receive credentials">receive_credentials_pending</a>);
<a name="l00437"></a>00437 <span class="keywordflow">goto</span> out;
<a name="l00438"></a>00438 }
<a name="l00439"></a>00439
<a name="l00440"></a>00440 <span class="preprocessor">#define TRANSPORT_SIDE(t) ((t)->is_server ? "server" : "client")</span>
<a name="l00441"></a>00441 <span class="preprocessor"></span> <span class="keywordflow">switch</span> (<a class="code" href="group__DBusAuth.html#ga097c71f7f20b749275c6b31cd98623f5" title="Analyzes buffered input and moves the auth conversation forward, returning the new state of the auth ...">_dbus_auth_do_work</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>))
<a name="l00442"></a>00442 {
<a name="l00443"></a>00443 <span class="keywordflow">case</span> DBUS_AUTH_STATE_WAITING_FOR_INPUT:
<a name="l00444"></a>00444 _dbus_verbose (<span class="stringliteral">" %s auth state: waiting for input\n"</span>,
<a name="l00445"></a>00445 TRANSPORT_SIDE (transport));
<a name="l00446"></a>00446 <span class="keywordflow">if</span> (!do_reading || !read_data_into_auth (transport, &oom))
<a name="l00447"></a>00447 <span class="keywordflow">goto</span> out;
<a name="l00448"></a>00448 <span class="keywordflow">break</span>;
<a name="l00449"></a>00449
<a name="l00450"></a>00450 <span class="keywordflow">case</span> DBUS_AUTH_STATE_WAITING_FOR_MEMORY:
<a name="l00451"></a>00451 _dbus_verbose (<span class="stringliteral">" %s auth state: waiting for memory\n"</span>,
<a name="l00452"></a>00452 TRANSPORT_SIDE (transport));
<a name="l00453"></a>00453 oom = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00454"></a>00454 <span class="keywordflow">goto</span> out;
<a name="l00455"></a>00455 <span class="keywordflow">break</span>;
<a name="l00456"></a>00456
<a name="l00457"></a>00457 <span class="keywordflow">case</span> DBUS_AUTH_STATE_HAVE_BYTES_TO_SEND:
<a name="l00458"></a>00458 _dbus_verbose (<span class="stringliteral">" %s auth state: bytes to send\n"</span>,
<a name="l00459"></a>00459 TRANSPORT_SIDE (transport));
<a name="l00460"></a>00460 <span class="keywordflow">if</span> (!do_writing || !write_data_from_auth (transport))
<a name="l00461"></a>00461 <span class="keywordflow">goto</span> out;
<a name="l00462"></a>00462 <span class="keywordflow">break</span>;
<a name="l00463"></a>00463
<a name="l00464"></a>00464 <span class="keywordflow">case</span> DBUS_AUTH_STATE_NEED_DISCONNECT:
<a name="l00465"></a>00465 _dbus_verbose (<span class="stringliteral">" %s auth state: need to disconnect\n"</span>,
<a name="l00466"></a>00466 TRANSPORT_SIDE (transport));
<a name="l00467"></a>00467 do_io_error (transport);
<a name="l00468"></a>00468 <span class="keywordflow">break</span>;
<a name="l00469"></a>00469
<a name="l00470"></a>00470 <span class="keywordflow">case</span> DBUS_AUTH_STATE_AUTHENTICATED:
<a name="l00471"></a>00471 _dbus_verbose (<span class="stringliteral">" %s auth state: authenticated\n"</span>,
<a name="l00472"></a>00472 TRANSPORT_SIDE (transport));
<a name="l00473"></a>00473 <span class="keywordflow">break</span>;
<a name="l00474"></a>00474 }
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476
<a name="l00477"></a>00477 out:
<a name="l00478"></a>00478 <span class="keywordflow">if</span> (auth_completed)
<a name="l00479"></a>00479 *auth_completed = (orig_auth_state != <a class="code" href="group__DBusTransport.html#gabe774b134a4bf8c8fc09e6186470874f" title="Returns TRUE if we have been authenticated.">_dbus_transport_try_to_authenticate</a> (transport));
<a name="l00480"></a>00480
<a name="l00481"></a>00481 check_read_watch (transport);
<a name="l00482"></a>00482 check_write_watch (transport);
<a name="l00483"></a>00483 <a class="code" href="group__DBusTransport.html#gab7c53c32a2320c81aae8ce4345762e73" title="Decrements the reference count for the transport.">_dbus_transport_unref</a> (transport);
<a name="l00484"></a>00484
<a name="l00485"></a>00485 <span class="keywordflow">if</span> (oom)
<a name="l00486"></a>00486 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00487"></a>00487 <span class="keywordflow">else</span>
<a name="l00488"></a>00488 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00489"></a>00489 }
<a name="l00490"></a>00490
<a name="l00491"></a>00491 <span class="comment">/* returns false on oom */</span>
<a name="l00492"></a>00492 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00493"></a>00493 do_writing (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport)
<a name="l00494"></a>00494 {
<a name="l00495"></a>00495 <span class="keywordtype">int</span> total;
<a name="l00496"></a>00496 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l00497"></a>00497 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> oom;
<a name="l00498"></a>00498
<a name="l00499"></a>00499 <span class="comment">/* No messages without authentication! */</span>
<a name="l00500"></a>00500 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusTransport.html#gabe774b134a4bf8c8fc09e6186470874f" title="Returns TRUE if we have been authenticated.">_dbus_transport_try_to_authenticate</a> (transport))
<a name="l00501"></a>00501 {
<a name="l00502"></a>00502 _dbus_verbose (<span class="stringliteral">"Not authenticated, not writing anything\n"</span>);
<a name="l00503"></a>00503 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00504"></a>00504 }
<a name="l00505"></a>00505
<a name="l00506"></a>00506 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#a487a7375e94efba850f8344a252cfa63" title="TRUE if we are disconnected.">disconnected</a>)
<a name="l00507"></a>00507 {
<a name="l00508"></a>00508 _dbus_verbose (<span class="stringliteral">"Not connected, not writing anything\n"</span>);
<a name="l00509"></a>00509 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00510"></a>00510 }
<a name="l00511"></a>00511
<a name="l00512"></a>00512 <span class="preprocessor">#if 1</span>
<a name="l00513"></a>00513 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">"do_writing(), have_messages = %d, fd = %d\n"</span>,
<a name="l00514"></a>00514 <a class="code" href="group__DBusConnectionInternals.html#ga3d31a01751860b67f960dcaffb7bb4ef" title="Checks whether there are messages in the outgoing message queue.">_dbus_connection_has_messages_to_send_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>),
<a name="l00515"></a>00515 socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>);
<a name="l00516"></a>00516 <span class="preprocessor">#endif</span>
<a name="l00517"></a>00517 <span class="preprocessor"></span>
<a name="l00518"></a>00518 oom = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00519"></a>00519 total = 0;
<a name="l00520"></a>00520
<a name="l00521"></a>00521 <span class="keywordflow">while</span> (!transport-><a class="code" href="structDBusTransport.html#a487a7375e94efba850f8344a252cfa63" title="TRUE if we are disconnected.">disconnected</a> &&
<a name="l00522"></a>00522 <a class="code" href="group__DBusConnectionInternals.html#ga3d31a01751860b67f960dcaffb7bb4ef" title="Checks whether there are messages in the outgoing message queue.">_dbus_connection_has_messages_to_send_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>))
<a name="l00523"></a>00523 {
<a name="l00524"></a>00524 <span class="keywordtype">int</span> bytes_written;
<a name="l00525"></a>00525 <a class="code" href="structDBusMessage.html" title="Internals of DBusMessage.">DBusMessage</a> *message;
<a name="l00526"></a>00526 <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *header;
<a name="l00527"></a>00527 <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *body;
<a name="l00528"></a>00528 <span class="keywordtype">int</span> header_len, body_len;
<a name="l00529"></a>00529 <span class="keywordtype">int</span> total_bytes_to_write;
<a name="l00530"></a>00530
<a name="l00531"></a>00531 <span class="keywordflow">if</span> (total > socket_transport-><a class="code" href="structDBusTransportSocket.html#a5e8631812d429f8567974836627ab3de" title="To avoid blocking too long.">max_bytes_written_per_iteration</a>)
<a name="l00532"></a>00532 {
<a name="l00533"></a>00533 _dbus_verbose (<span class="stringliteral">"%d bytes exceeds %d bytes written per iteration, returning\n"</span>,
<a name="l00534"></a>00534 total, socket_transport-><a class="code" href="structDBusTransportSocket.html#a5e8631812d429f8567974836627ab3de" title="To avoid blocking too long.">max_bytes_written_per_iteration</a>);
<a name="l00535"></a>00535 <span class="keywordflow">goto</span> out;
<a name="l00536"></a>00536 }
<a name="l00537"></a>00537
<a name="l00538"></a>00538 message = <a class="code" href="group__DBusConnectionInternals.html#ga3955cd53ac4f671a5bb54019887389a7" title="Gets the next outgoing message.">_dbus_connection_get_message_to_send</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>);
<a name="l00539"></a>00539 _dbus_assert (message != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00540"></a>00540 <a class="code" href="group__DBusMessageInternals.html#ga3ecc9c24381af05289161f477ad6a578" title="Locks a message.">dbus_message_lock</a> (message);
<a name="l00541"></a>00541
<a name="l00542"></a>00542 <span class="preprocessor">#if 0</span>
<a name="l00543"></a>00543 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">"writing message %p\n"</span>, message);
<a name="l00544"></a>00544 <span class="preprocessor">#endif</span>
<a name="l00545"></a>00545 <span class="preprocessor"></span>
<a name="l00546"></a>00546 <a class="code" href="group__DBusMessageInternals.html#ga617811b117ac5eb31151ffb7dabea7a8" title="Gets the data to be sent over the network for this message.">_dbus_message_get_network_data</a> (message,
<a name="l00547"></a>00547 &header, &body);
<a name="l00548"></a>00548
<a name="l00549"></a>00549 header_len = <a class="code" href="group__DBusString.html#gaa5136e6fd2c5188f4b88de7863369c6d" title="Gets the length of a string (not including nul termination).">_dbus_string_get_length</a> (header);
<a name="l00550"></a>00550 body_len = <a class="code" href="group__DBusString.html#gaa5136e6fd2c5188f4b88de7863369c6d" title="Gets the length of a string (not including nul termination).">_dbus_string_get_length</a> (body);
<a name="l00551"></a>00551
<a name="l00552"></a>00552 <span class="keywordflow">if</span> (<a class="code" href="group__DBusAuth.html#ga22ddfb5e12cba3d047dc1d1302c23490" title="Called post-authentication, indicates whether we need to encode the message stream with _dbus_auth_en...">_dbus_auth_needs_encoding</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>))
<a name="l00553"></a>00553 {
<a name="l00554"></a>00554 <span class="comment">/* Does fd passing even make sense with encoded data? */</span>
<a name="l00555"></a>00555 _dbus_assert(!DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport));
<a name="l00556"></a>00556
<a name="l00557"></a>00557 <span class="keywordflow">if</span> (<a class="code" href="group__DBusString.html#gaa5136e6fd2c5188f4b88de7863369c6d" title="Gets the length of a string (not including nul termination).">_dbus_string_get_length</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>) == 0)
<a name="l00558"></a>00558 {
<a name="l00559"></a>00559 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusAuth.html#ga0d59bcf62c098cdfb95f610cdfd12690" title="Called post-authentication, encodes a block of bytes for sending to the peer.">_dbus_auth_encode_data</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>,
<a name="l00560"></a>00560 header, &socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>))
<a name="l00561"></a>00561 {
<a name="l00562"></a>00562 oom = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00563"></a>00563 <span class="keywordflow">goto</span> out;
<a name="l00564"></a>00564 }
<a name="l00565"></a>00565
<a name="l00566"></a>00566 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusAuth.html#ga0d59bcf62c098cdfb95f610cdfd12690" title="Called post-authentication, encodes a block of bytes for sending to the peer.">_dbus_auth_encode_data</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>,
<a name="l00567"></a>00567 body, &socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>))
<a name="l00568"></a>00568 {
<a name="l00569"></a>00569 <a class="code" href="group__DBusString.html#ga08c423b93c28dd746dcb93e0461ab95c" title="Sets the length of a string.">_dbus_string_set_length</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>, 0);
<a name="l00570"></a>00570 oom = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00571"></a>00571 <span class="keywordflow">goto</span> out;
<a name="l00572"></a>00572 }
<a name="l00573"></a>00573 }
<a name="l00574"></a>00574
<a name="l00575"></a>00575 total_bytes_to_write = <a class="code" href="group__DBusString.html#gaa5136e6fd2c5188f4b88de7863369c6d" title="Gets the length of a string (not including nul termination).">_dbus_string_get_length</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>);
<a name="l00576"></a>00576
<a name="l00577"></a>00577 <span class="preprocessor">#if 0</span>
<a name="l00578"></a>00578 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">"encoded message is %d bytes\n"</span>,
<a name="l00579"></a>00579 total_bytes_to_write);
<a name="l00580"></a>00580 <span class="preprocessor">#endif</span>
<a name="l00581"></a>00581 <span class="preprocessor"></span>
<a name="l00582"></a>00582 bytes_written =
<a name="l00583"></a>00583 <a class="code" href="group__DBusSysdeps.html#ga346cadd9b0f7d0ae1cd19007b2e4c2de" title="Like _dbus_write(), but only supports sockets and is thus available on Windows.">_dbus_write_socket</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>,
<a name="l00584"></a>00584 &socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>,
<a name="l00585"></a>00585 socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a>,
<a name="l00586"></a>00586 total_bytes_to_write - socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a>);
<a name="l00587"></a>00587 }
<a name="l00588"></a>00588 <span class="keywordflow">else</span>
<a name="l00589"></a>00589 {
<a name="l00590"></a>00590 total_bytes_to_write = header_len + body_len;
<a name="l00591"></a>00591
<a name="l00592"></a>00592 <span class="preprocessor">#if 0</span>
<a name="l00593"></a>00593 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">"message is %d bytes\n"</span>,
<a name="l00594"></a>00594 total_bytes_to_write);
<a name="l00595"></a>00595 <span class="preprocessor">#endif</span>
<a name="l00596"></a>00596 <span class="preprocessor"></span>
<a name="l00597"></a>00597 <span class="preprocessor">#ifdef HAVE_UNIX_FD_PASSING</span>
<a name="l00598"></a>00598 <span class="preprocessor"></span> <span class="keywordflow">if</span> (socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a> <= 0 && DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport))
<a name="l00599"></a>00599 {
<a name="l00600"></a>00600 <span class="comment">/* Send the fds along with the first byte of the message */</span>
<a name="l00601"></a>00601 <span class="keyword">const</span> <span class="keywordtype">int</span> *unix_fds;
<a name="l00602"></a>00602 <span class="keywordtype">unsigned</span> n;
<a name="l00603"></a>00603
<a name="l00604"></a>00604 <a class="code" href="group__DBusMessageInternals.html#ga577e9d5224c56b9cf2ca2691be2e838c" title="Gets the unix fds to be sent over the network for this message.">_dbus_message_get_unix_fds</a>(message, &unix_fds, &n);
<a name="l00605"></a>00605
<a name="l00606"></a>00606 bytes_written =
<a name="l00607"></a>00607 _dbus_write_socket_with_unix_fds_two (socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>,
<a name="l00608"></a>00608 header,
<a name="l00609"></a>00609 socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a>,
<a name="l00610"></a>00610 header_len - socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a>,
<a name="l00611"></a>00611 body,
<a name="l00612"></a>00612 0, body_len,
<a name="l00613"></a>00613 unix_fds,
<a name="l00614"></a>00614 n);
<a name="l00615"></a>00615
<a name="l00616"></a>00616 <span class="keywordflow">if</span> (bytes_written > 0 && n > 0)
<a name="l00617"></a>00617 _dbus_verbose(<span class="stringliteral">"Wrote %i unix fds\n"</span>, n);
<a name="l00618"></a>00618 }
<a name="l00619"></a>00619 <span class="keywordflow">else</span>
<a name="l00620"></a>00620 <span class="preprocessor">#endif</span>
<a name="l00621"></a>00621 <span class="preprocessor"></span> {
<a name="l00622"></a>00622 <span class="keywordflow">if</span> (socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a> < header_len)
<a name="l00623"></a>00623 {
<a name="l00624"></a>00624 bytes_written =
<a name="l00625"></a>00625 <a class="code" href="group__DBusSysdeps.html#ga02da720105c2a2397b7c687c5ca81174" title="Like _dbus_write_two() but only works on sockets and is thus available on Windows.">_dbus_write_socket_two</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>,
<a name="l00626"></a>00626 header,
<a name="l00627"></a>00627 socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a>,
<a name="l00628"></a>00628 header_len - socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a>,
<a name="l00629"></a>00629 body,
<a name="l00630"></a>00630 0, body_len);
<a name="l00631"></a>00631 }
<a name="l00632"></a>00632 <span class="keywordflow">else</span>
<a name="l00633"></a>00633 {
<a name="l00634"></a>00634 bytes_written =
<a name="l00635"></a>00635 <a class="code" href="group__DBusSysdeps.html#ga346cadd9b0f7d0ae1cd19007b2e4c2de" title="Like _dbus_write(), but only supports sockets and is thus available on Windows.">_dbus_write_socket</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>,
<a name="l00636"></a>00636 body,
<a name="l00637"></a>00637 (socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a> - header_len),
<a name="l00638"></a>00638 body_len -
<a name="l00639"></a>00639 (socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a> - header_len));
<a name="l00640"></a>00640 }
<a name="l00641"></a>00641 }
<a name="l00642"></a>00642 }
<a name="l00643"></a>00643
<a name="l00644"></a>00644 <span class="keywordflow">if</span> (bytes_written < 0)
<a name="l00645"></a>00645 {
<a name="l00646"></a>00646 <span class="comment">/* EINTR already handled for us */</span>
<a name="l00647"></a>00647
<a name="l00648"></a>00648 <span class="comment">/* If the other end closed the socket with close() or shutdown(), we</span>
<a name="l00649"></a>00649 <span class="comment"> * receive EPIPE here but we must not close the socket yet: there</span>
<a name="l00650"></a>00650 <span class="comment"> * might still be some data to read. See:</span>
<a name="l00651"></a>00651 <span class="comment"> * http://lists.freedesktop.org/archives/dbus/2008-March/009526.html</span>
<a name="l00652"></a>00652 <span class="comment"> */</span>
<a name="l00653"></a>00653
<a name="l00654"></a>00654 <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdeps.html#gaa03e5d4d95ef46a70d25fe315e674e24" title="See if errno is EAGAIN or EWOULDBLOCK (this has to be done differently for Winsock so is abstracted)...">_dbus_get_is_errno_eagain_or_ewouldblock</a> () || <a class="code" href="group__DBusInternalsUtils.html#ga1001bb8d98eaee545a4e9b3994d13440" title="See if errno is EPIPE.">_dbus_get_is_errno_epipe</a> ())
<a name="l00655"></a>00655 <span class="keywordflow">goto</span> out;
<a name="l00656"></a>00656
<a name="l00657"></a>00657 <span class="comment">/* Since Linux commit 25888e (from 2.6.37-rc4, Nov 2010), sendmsg()</span>
<a name="l00658"></a>00658 <span class="comment"> * on Unix sockets returns -1 errno=ETOOMANYREFS when the passfd</span>
<a name="l00659"></a>00659 <span class="comment"> * mechanism (SCM_RIGHTS) is used recursively with a recursion level</span>
<a name="l00660"></a>00660 <span class="comment"> * of maximum 4. The kernel does not have an API to check whether</span>
<a name="l00661"></a>00661 <span class="comment"> * the passed fds can be forwarded and it can change asynchronously.</span>
<a name="l00662"></a>00662 <span class="comment"> * See:</span>
<a name="l00663"></a>00663 <span class="comment"> * https://bugs.freedesktop.org/show_bug.cgi?id=80163</span>
<a name="l00664"></a>00664 <span class="comment"> */</span>
<a name="l00665"></a>00665
<a name="l00666"></a>00666 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="group__DBusInternalsUtils.html#ga69062313641c53627f5afb7be96e4ea4" title="See if errno is ETOOMANYREFS.">_dbus_get_is_errno_etoomanyrefs</a> ())
<a name="l00667"></a>00667 {
<a name="l00668"></a>00668 <span class="comment">/* We only send fds in the first byte of the message.</span>
<a name="l00669"></a>00669 <span class="comment"> * ETOOMANYREFS cannot happen after.</span>
<a name="l00670"></a>00670 <span class="comment"> */</span>
<a name="l00671"></a>00671 _dbus_assert (socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a> == 0);
<a name="l00672"></a>00672
<a name="l00673"></a>00673 _dbus_verbose (<span class="stringliteral">" discard message of %d bytes due to ETOOMANYREFS\n"</span>,
<a name="l00674"></a>00674 total_bytes_to_write);
<a name="l00675"></a>00675
<a name="l00676"></a>00676 socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a> = 0;
<a name="l00677"></a>00677 <a class="code" href="group__DBusString.html#ga08c423b93c28dd746dcb93e0461ab95c" title="Sets the length of a string.">_dbus_string_set_length</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>, 0);
<a name="l00678"></a>00678 <a class="code" href="group__DBusString.html#gac49ec5782ca606029c096124b5e43ffc" title="Compacts the string to avoid wasted memory.">_dbus_string_compact</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>, 2048);
<a name="l00679"></a>00679
<a name="l00680"></a>00680 <span class="comment">/* The message was not actually sent but it needs to be removed</span>
<a name="l00681"></a>00681 <span class="comment"> * from the outgoing queue</span>
<a name="l00682"></a>00682 <span class="comment"> */</span>
<a name="l00683"></a>00683 <a class="code" href="group__DBusConnectionInternals.html#gab93fd3666217ee339c4d2e8d4d33e63c" title="Notifies the connection that a message has been sent, so the message can be removed from the outgoing...">_dbus_connection_message_sent_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>,
<a name="l00684"></a>00684 message);
<a name="l00685"></a>00685 }
<a name="l00686"></a>00686 <span class="keywordflow">else</span>
<a name="l00687"></a>00687 {
<a name="l00688"></a>00688 _dbus_verbose (<span class="stringliteral">"Error writing to remote app: %s\n"</span>,
<a name="l00689"></a>00689 <a class="code" href="group__DBusInternalsUtils.html#ga56de84795d6df4162ad79b3be7af7588" title="Get error message from errno.">_dbus_strerror_from_errno</a> ());
<a name="l00690"></a>00690 do_io_error (transport);
<a name="l00691"></a>00691 <span class="keywordflow">goto</span> out;
<a name="l00692"></a>00692 }
<a name="l00693"></a>00693 }
<a name="l00694"></a>00694 <span class="keywordflow">else</span>
<a name="l00695"></a>00695 {
<a name="l00696"></a>00696 _dbus_verbose (<span class="stringliteral">" wrote %d bytes of %d\n"</span>, bytes_written,
<a name="l00697"></a>00697 total_bytes_to_write);
<a name="l00698"></a>00698
<a name="l00699"></a>00699 total += bytes_written;
<a name="l00700"></a>00700 socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a> += bytes_written;
<a name="l00701"></a>00701
<a name="l00702"></a>00702 _dbus_assert (socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a> <=
<a name="l00703"></a>00703 total_bytes_to_write);
<a name="l00704"></a>00704
<a name="l00705"></a>00705 <span class="keywordflow">if</span> (socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a> == total_bytes_to_write)
<a name="l00706"></a>00706 {
<a name="l00707"></a>00707 socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a> = 0;
<a name="l00708"></a>00708 <a class="code" href="group__DBusString.html#ga08c423b93c28dd746dcb93e0461ab95c" title="Sets the length of a string.">_dbus_string_set_length</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>, 0);
<a name="l00709"></a>00709 <a class="code" href="group__DBusString.html#gac49ec5782ca606029c096124b5e43ffc" title="Compacts the string to avoid wasted memory.">_dbus_string_compact</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>, 2048);
<a name="l00710"></a>00710
<a name="l00711"></a>00711 <a class="code" href="group__DBusConnectionInternals.html#gab93fd3666217ee339c4d2e8d4d33e63c" title="Notifies the connection that a message has been sent, so the message can be removed from the outgoing...">_dbus_connection_message_sent_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>,
<a name="l00712"></a>00712 message);
<a name="l00713"></a>00713 }
<a name="l00714"></a>00714 }
<a name="l00715"></a>00715 }
<a name="l00716"></a>00716
<a name="l00717"></a>00717 out:
<a name="l00718"></a>00718 <span class="keywordflow">if</span> (oom)
<a name="l00719"></a>00719 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00720"></a>00720 <span class="keywordflow">else</span>
<a name="l00721"></a>00721 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00722"></a>00722 }
<a name="l00723"></a>00723
<a name="l00724"></a>00724 <span class="comment">/* returns false on out-of-memory */</span>
<a name="l00725"></a>00725 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00726"></a>00726 do_reading (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport)
<a name="l00727"></a>00727 {
<a name="l00728"></a>00728 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l00729"></a>00729 <a class="code" href="structDBusString.html">DBusString</a> *buffer;
<a name="l00730"></a>00730 <span class="keywordtype">int</span> bytes_read;
<a name="l00731"></a>00731 <span class="keywordtype">int</span> total;
<a name="l00732"></a>00732 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> oom;
<a name="l00733"></a>00733
<a name="l00734"></a>00734 _dbus_verbose (<span class="stringliteral">"fd = %d\n"</span>,socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>);
<a name="l00735"></a>00735
<a name="l00736"></a>00736 <span class="comment">/* No messages without authentication! */</span>
<a name="l00737"></a>00737 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusTransport.html#gabe774b134a4bf8c8fc09e6186470874f" title="Returns TRUE if we have been authenticated.">_dbus_transport_try_to_authenticate</a> (transport))
<a name="l00738"></a>00738 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00739"></a>00739
<a name="l00740"></a>00740 oom = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00741"></a>00741
<a name="l00742"></a>00742 total = 0;
<a name="l00743"></a>00743
<a name="l00744"></a>00744 again:
<a name="l00745"></a>00745
<a name="l00746"></a>00746 <span class="comment">/* See if we've exceeded max messages and need to disable reading */</span>
<a name="l00747"></a>00747 check_read_watch (transport);
<a name="l00748"></a>00748
<a name="l00749"></a>00749 <span class="keywordflow">if</span> (total > socket_transport-><a class="code" href="structDBusTransportSocket.html#ac70dd065b0e2805198432d93f5f4f5dc" title="To avoid blocking too long.">max_bytes_read_per_iteration</a>)
<a name="l00750"></a>00750 {
<a name="l00751"></a>00751 _dbus_verbose (<span class="stringliteral">"%d bytes exceeds %d bytes read per iteration, returning\n"</span>,
<a name="l00752"></a>00752 total, socket_transport-><a class="code" href="structDBusTransportSocket.html#ac70dd065b0e2805198432d93f5f4f5dc" title="To avoid blocking too long.">max_bytes_read_per_iteration</a>);
<a name="l00753"></a>00753 <span class="keywordflow">goto</span> out;
<a name="l00754"></a>00754 }
<a name="l00755"></a>00755
<a name="l00756"></a>00756 _dbus_assert (socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a> != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a> ||
<a name="l00757"></a>00757 transport-><a class="code" href="structDBusTransport.html#a487a7375e94efba850f8344a252cfa63" title="TRUE if we are disconnected.">disconnected</a>);
<a name="l00758"></a>00758
<a name="l00759"></a>00759 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#a487a7375e94efba850f8344a252cfa63" title="TRUE if we are disconnected.">disconnected</a>)
<a name="l00760"></a>00760 <span class="keywordflow">goto</span> out;
<a name="l00761"></a>00761
<a name="l00762"></a>00762 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusWatch.html#gae7a91e6d4d1bc187419c47c522e33a8f" title="Returns whether a watch is enabled or not.">dbus_watch_get_enabled</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>))
<a name="l00763"></a>00763 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00764"></a>00764
<a name="l00765"></a>00765 <span class="keywordflow">if</span> (<a class="code" href="group__DBusAuth.html#gac6e9dc07335a6291842374d834e95ad2" title="Called post-authentication, indicates whether we need to decode the message stream with _dbus_auth_de...">_dbus_auth_needs_decoding</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>))
<a name="l00766"></a>00766 {
<a name="l00767"></a>00767 <span class="comment">/* Does fd passing even make sense with encoded data? */</span>
<a name="l00768"></a>00768 _dbus_assert(!DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport));
<a name="l00769"></a>00769
<a name="l00770"></a>00770 <span class="keywordflow">if</span> (<a class="code" href="group__DBusString.html#gaa5136e6fd2c5188f4b88de7863369c6d" title="Gets the length of a string (not including nul termination).">_dbus_string_get_length</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a840f1a09f5256b5c737e3e45beb47966" title="Encoded version of current incoming data.">encoded_incoming</a>) > 0)
<a name="l00771"></a>00771 bytes_read = <a class="code" href="group__DBusString.html#gaa5136e6fd2c5188f4b88de7863369c6d" title="Gets the length of a string (not including nul termination).">_dbus_string_get_length</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a840f1a09f5256b5c737e3e45beb47966" title="Encoded version of current incoming data.">encoded_incoming</a>);
<a name="l00772"></a>00772 <span class="keywordflow">else</span>
<a name="l00773"></a>00773 bytes_read = <a class="code" href="group__DBusSysdeps.html#ga6fe72fa1c0484ac5594b08145ea19530" title="Like _dbus_read(), but only works on sockets so is available on Windows.">_dbus_read_socket</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>,
<a name="l00774"></a>00774 &socket_transport-><a class="code" href="structDBusTransportSocket.html#a840f1a09f5256b5c737e3e45beb47966" title="Encoded version of current incoming data.">encoded_incoming</a>,
<a name="l00775"></a>00775 socket_transport-><a class="code" href="structDBusTransportSocket.html#ac70dd065b0e2805198432d93f5f4f5dc" title="To avoid blocking too long.">max_bytes_read_per_iteration</a>);
<a name="l00776"></a>00776
<a name="l00777"></a>00777 _dbus_assert (<a class="code" href="group__DBusString.html#gaa5136e6fd2c5188f4b88de7863369c6d" title="Gets the length of a string (not including nul termination).">_dbus_string_get_length</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a840f1a09f5256b5c737e3e45beb47966" title="Encoded version of current incoming data.">encoded_incoming</a>) ==
<a name="l00778"></a>00778 bytes_read);
<a name="l00779"></a>00779
<a name="l00780"></a>00780 <span class="keywordflow">if</span> (bytes_read > 0)
<a name="l00781"></a>00781 {
<a name="l00782"></a>00782 <a class="code" href="group__DBusMessageInternals.html#gae77f064b8034189a955d5be982d2fbdb" title="Gets the buffer to use for reading data from the network.">_dbus_message_loader_get_buffer</a> (transport-><a class="code" href="structDBusTransport.html#aaaba590c281236d176600016b7edab48" title="Message-loading buffer.">loader</a>,
<a name="l00783"></a>00783 &buffer);
<a name="l00784"></a>00784
<a name="l00785"></a>00785 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusAuth.html#ga7eb40f71c0ede79f954bcb2c001c8502" title="Called post-authentication, decodes a block of bytes received from the peer.">_dbus_auth_decode_data</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>,
<a name="l00786"></a>00786 &socket_transport-><a class="code" href="structDBusTransportSocket.html#a840f1a09f5256b5c737e3e45beb47966" title="Encoded version of current incoming data.">encoded_incoming</a>,
<a name="l00787"></a>00787 buffer))
<a name="l00788"></a>00788 {
<a name="l00789"></a>00789 _dbus_verbose (<span class="stringliteral">"Out of memory decoding incoming data\n"</span>);
<a name="l00790"></a>00790 <a class="code" href="group__DBusMessageInternals.html#gaf5cb6398adb9fe39560fe6aef69ebb09" title="Returns a buffer obtained from _dbus_message_loader_get_buffer(), indicating to the loader how many b...">_dbus_message_loader_return_buffer</a> (transport-><a class="code" href="structDBusTransport.html#aaaba590c281236d176600016b7edab48" title="Message-loading buffer.">loader</a>,
<a name="l00791"></a>00791 buffer);
<a name="l00792"></a>00792
<a name="l00793"></a>00793 oom = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00794"></a>00794 <span class="keywordflow">goto</span> out;
<a name="l00795"></a>00795 }
<a name="l00796"></a>00796
<a name="l00797"></a>00797 <a class="code" href="group__DBusMessageInternals.html#gaf5cb6398adb9fe39560fe6aef69ebb09" title="Returns a buffer obtained from _dbus_message_loader_get_buffer(), indicating to the loader how many b...">_dbus_message_loader_return_buffer</a> (transport-><a class="code" href="structDBusTransport.html#aaaba590c281236d176600016b7edab48" title="Message-loading buffer.">loader</a>,
<a name="l00798"></a>00798 buffer);
<a name="l00799"></a>00799
<a name="l00800"></a>00800 <a class="code" href="group__DBusString.html#ga08c423b93c28dd746dcb93e0461ab95c" title="Sets the length of a string.">_dbus_string_set_length</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a840f1a09f5256b5c737e3e45beb47966" title="Encoded version of current incoming data.">encoded_incoming</a>, 0);
<a name="l00801"></a>00801 <a class="code" href="group__DBusString.html#gac49ec5782ca606029c096124b5e43ffc" title="Compacts the string to avoid wasted memory.">_dbus_string_compact</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a840f1a09f5256b5c737e3e45beb47966" title="Encoded version of current incoming data.">encoded_incoming</a>, 2048);
<a name="l00802"></a>00802 }
<a name="l00803"></a>00803 }
<a name="l00804"></a>00804 <span class="keywordflow">else</span>
<a name="l00805"></a>00805 {
<a name="l00806"></a>00806 <a class="code" href="group__DBusMessageInternals.html#gae77f064b8034189a955d5be982d2fbdb" title="Gets the buffer to use for reading data from the network.">_dbus_message_loader_get_buffer</a> (transport-><a class="code" href="structDBusTransport.html#aaaba590c281236d176600016b7edab48" title="Message-loading buffer.">loader</a>,
<a name="l00807"></a>00807 &buffer);
<a name="l00808"></a>00808
<a name="l00809"></a>00809 <span class="preprocessor">#ifdef HAVE_UNIX_FD_PASSING</span>
<a name="l00810"></a>00810 <span class="preprocessor"></span> <span class="keywordflow">if</span> (DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport))
<a name="l00811"></a>00811 {
<a name="l00812"></a>00812 <span class="keywordtype">int</span> *fds, n_fds;
<a name="l00813"></a>00813
<a name="l00814"></a>00814 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusMessageInternals.html#ga4ed7327f9dee98711ebd7c9e5b74dec0" title="Gets the buffer to use for reading unix fds from the network.">_dbus_message_loader_get_unix_fds</a>(transport-><a class="code" href="structDBusTransport.html#aaaba590c281236d176600016b7edab48" title="Message-loading buffer.">loader</a>, &fds, &n_fds))
<a name="l00815"></a>00815 {
<a name="l00816"></a>00816 _dbus_verbose (<span class="stringliteral">"Out of memory reading file descriptors\n"</span>);
<a name="l00817"></a>00817 <a class="code" href="group__DBusMessageInternals.html#gaf5cb6398adb9fe39560fe6aef69ebb09" title="Returns a buffer obtained from _dbus_message_loader_get_buffer(), indicating to the loader how many b...">_dbus_message_loader_return_buffer</a> (transport-><a class="code" href="structDBusTransport.html#aaaba590c281236d176600016b7edab48" title="Message-loading buffer.">loader</a>, buffer);
<a name="l00818"></a>00818 oom = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00819"></a>00819 <span class="keywordflow">goto</span> out;
<a name="l00820"></a>00820 }
<a name="l00821"></a>00821
<a name="l00822"></a>00822 bytes_read = <a class="code" href="group__DBusSysdeps.html#ga14aa692ac7e9aab777b9f565c4b8933b" title="Like _dbus_read_socket() but also tries to read unix fds from the socket.">_dbus_read_socket_with_unix_fds</a>(socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>,
<a name="l00823"></a>00823 buffer,
<a name="l00824"></a>00824 socket_transport-><a class="code" href="structDBusTransportSocket.html#ac70dd065b0e2805198432d93f5f4f5dc" title="To avoid blocking too long.">max_bytes_read_per_iteration</a>,
<a name="l00825"></a>00825 fds, &n_fds);
<a name="l00826"></a>00826
<a name="l00827"></a>00827 <span class="keywordflow">if</span> (bytes_read >= 0 && n_fds > 0)
<a name="l00828"></a>00828 _dbus_verbose(<span class="stringliteral">"Read %i unix fds\n"</span>, n_fds);
<a name="l00829"></a>00829
<a name="l00830"></a>00830 <a class="code" href="group__DBusMessageInternals.html#ga2bf4dd7eda1a539454486e127b75d7c3" title="Returns a buffer obtained from _dbus_message_loader_get_unix_fds().">_dbus_message_loader_return_unix_fds</a>(transport-><a class="code" href="structDBusTransport.html#aaaba590c281236d176600016b7edab48" title="Message-loading buffer.">loader</a>, fds, bytes_read < 0 ? 0 : n_fds);
<a name="l00831"></a>00831 }
<a name="l00832"></a>00832 <span class="keywordflow">else</span>
<a name="l00833"></a>00833 <span class="preprocessor">#endif</span>
<a name="l00834"></a>00834 <span class="preprocessor"></span> {
<a name="l00835"></a>00835 bytes_read = <a class="code" href="group__DBusSysdeps.html#ga6fe72fa1c0484ac5594b08145ea19530" title="Like _dbus_read(), but only works on sockets so is available on Windows.">_dbus_read_socket</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>,
<a name="l00836"></a>00836 buffer, socket_transport-><a class="code" href="structDBusTransportSocket.html#ac70dd065b0e2805198432d93f5f4f5dc" title="To avoid blocking too long.">max_bytes_read_per_iteration</a>);
<a name="l00837"></a>00837 }
<a name="l00838"></a>00838
<a name="l00839"></a>00839 <a class="code" href="group__DBusMessageInternals.html#gaf5cb6398adb9fe39560fe6aef69ebb09" title="Returns a buffer obtained from _dbus_message_loader_get_buffer(), indicating to the loader how many b...">_dbus_message_loader_return_buffer</a> (transport-><a class="code" href="structDBusTransport.html#aaaba590c281236d176600016b7edab48" title="Message-loading buffer.">loader</a>,
<a name="l00840"></a>00840 buffer);
<a name="l00841"></a>00841 }
<a name="l00842"></a>00842
<a name="l00843"></a>00843 <span class="keywordflow">if</span> (bytes_read < 0)
<a name="l00844"></a>00844 {
<a name="l00845"></a>00845 <span class="comment">/* EINTR already handled for us */</span>
<a name="l00846"></a>00846
<a name="l00847"></a>00847 <span class="keywordflow">if</span> (<a class="code" href="group__DBusInternalsUtils.html#gaec2ce24907adaedd1bf88bb28d82c96d" title="See if errno is ENOMEM.">_dbus_get_is_errno_enomem</a> ())
<a name="l00848"></a>00848 {
<a name="l00849"></a>00849 _dbus_verbose (<span class="stringliteral">"Out of memory in read()/do_reading()\n"</span>);
<a name="l00850"></a>00850 oom = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00851"></a>00851 <span class="keywordflow">goto</span> out;
<a name="l00852"></a>00852 }
<a name="l00853"></a>00853 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdeps.html#gaa03e5d4d95ef46a70d25fe315e674e24" title="See if errno is EAGAIN or EWOULDBLOCK (this has to be done differently for Winsock so is abstracted)...">_dbus_get_is_errno_eagain_or_ewouldblock</a> ())
<a name="l00854"></a>00854 <span class="keywordflow">goto</span> out;
<a name="l00855"></a>00855 <span class="keywordflow">else</span>
<a name="l00856"></a>00856 {
<a name="l00857"></a>00857 _dbus_verbose (<span class="stringliteral">"Error reading from remote app: %s\n"</span>,
<a name="l00858"></a>00858 <a class="code" href="group__DBusInternalsUtils.html#ga56de84795d6df4162ad79b3be7af7588" title="Get error message from errno.">_dbus_strerror_from_errno</a> ());
<a name="l00859"></a>00859 do_io_error (transport);
<a name="l00860"></a>00860 <span class="keywordflow">goto</span> out;
<a name="l00861"></a>00861 }
<a name="l00862"></a>00862 }
<a name="l00863"></a>00863 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (bytes_read == 0)
<a name="l00864"></a>00864 {
<a name="l00865"></a>00865 _dbus_verbose (<span class="stringliteral">"Disconnected from remote app\n"</span>);
<a name="l00866"></a>00866 do_io_error (transport);
<a name="l00867"></a>00867 <span class="keywordflow">goto</span> out;
<a name="l00868"></a>00868 }
<a name="l00869"></a>00869 <span class="keywordflow">else</span>
<a name="l00870"></a>00870 {
<a name="l00871"></a>00871 _dbus_verbose (<span class="stringliteral">" read %d bytes\n"</span>, bytes_read);
<a name="l00872"></a>00872
<a name="l00873"></a>00873 total += bytes_read;
<a name="l00874"></a>00874
<a name="l00875"></a>00875 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusTransport.html#ga4046f36ecbdb75219f2b667f92e75a2b" title="Processes data we've read while handling a watch, potentially converting some of it to messages and q...">_dbus_transport_queue_messages</a> (transport))
<a name="l00876"></a>00876 {
<a name="l00877"></a>00877 oom = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00878"></a>00878 _dbus_verbose (<span class="stringliteral">" out of memory when queueing messages we just read in the transport\n"</span>);
<a name="l00879"></a>00879 <span class="keywordflow">goto</span> out;
<a name="l00880"></a>00880 }
<a name="l00881"></a>00881
<a name="l00882"></a>00882 <span class="comment">/* Try reading more data until we get EAGAIN and return, or</span>
<a name="l00883"></a>00883 <span class="comment"> * exceed max bytes per iteration. If in blocking mode of</span>
<a name="l00884"></a>00884 <span class="comment"> * course we'll block instead of returning.</span>
<a name="l00885"></a>00885 <span class="comment"> */</span>
<a name="l00886"></a>00886 <span class="keywordflow">goto</span> again;
<a name="l00887"></a>00887 }
<a name="l00888"></a>00888
<a name="l00889"></a>00889 out:
<a name="l00890"></a>00890 <span class="keywordflow">if</span> (oom)
<a name="l00891"></a>00891 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00892"></a>00892 <span class="keywordflow">else</span>
<a name="l00893"></a>00893 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00894"></a>00894 }
<a name="l00895"></a>00895
<a name="l00896"></a>00896 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00897"></a>00897 unix_error_with_read_to_come (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *itransport,
<a name="l00898"></a>00898 <a class="code" href="structDBusWatch.html" title="Implementation of DBusWatch.">DBusWatch</a> *watch,
<a name="l00899"></a>00899 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags)
<a name="l00900"></a>00900 {
<a name="l00901"></a>00901 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *) itransport;
<a name="l00902"></a>00902
<a name="l00903"></a>00903 <span class="keywordflow">if</span> (!(flags & <a class="code" href="group__DBusConnection.html#gga0556779e61aeb19eb9cf6b6466bd1b98a7a361a1a03f463c3c9e57f7368a0bfe4" title="As in POLLHUP (can't watch for it, but can be present in current state passed to dbus_watch_handle())...">DBUS_WATCH_HANGUP</a> || flags & <a class="code" href="group__DBusConnection.html#gga0556779e61aeb19eb9cf6b6466bd1b98ab1474e26aa5be3d2876dd86bbe452156" title="As in POLLERR (can't watch for this, but can be present in current state passed to dbus_watch_handle(...">DBUS_WATCH_ERROR</a>))
<a name="l00904"></a>00904 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00905"></a>00905
<a name="l00906"></a>00906 <span class="comment">/* If we have a read watch enabled ...</span>
<a name="l00907"></a>00907 <span class="comment"> we -might have data incoming ... => handle the HANGUP there */</span>
<a name="l00908"></a>00908 <span class="keywordflow">if</span> (watch != transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a> &&
<a name="l00909"></a>00909 _dbus_watch_get_enabled (transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>))
<a name="l00910"></a>00910 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00911"></a>00911
<a name="l00912"></a>00912 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00913"></a>00913 }
<a name="l00914"></a>00914
<a name="l00915"></a>00915 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00916"></a>00916 socket_handle_watch (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport,
<a name="l00917"></a>00917 <a class="code" href="structDBusWatch.html" title="Implementation of DBusWatch.">DBusWatch</a> *watch,
<a name="l00918"></a>00918 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags)
<a name="l00919"></a>00919 {
<a name="l00920"></a>00920 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l00921"></a>00921
<a name="l00922"></a>00922 _dbus_assert (watch == socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a> ||
<a name="l00923"></a>00923 watch == socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>);
<a name="l00924"></a>00924 _dbus_assert (watch != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00925"></a>00925
<a name="l00926"></a>00926 <span class="comment">/* If we hit an error here on a write watch, don't disconnect the transport yet because data can</span>
<a name="l00927"></a>00927 <span class="comment"> * still be in the buffer and do_reading may need several iteration to read</span>
<a name="l00928"></a>00928 <span class="comment"> * it all (because of its max_bytes_read_per_iteration limit). </span>
<a name="l00929"></a>00929 <span class="comment"> */</span>
<a name="l00930"></a>00930 <span class="keywordflow">if</span> (!(flags & <a class="code" href="group__DBusConnection.html#gga0556779e61aeb19eb9cf6b6466bd1b98a178bd7a88e9bfbb8505db76eb7e0ccc4" title="As in POLLIN.">DBUS_WATCH_READABLE</a>) && unix_error_with_read_to_come (transport, watch, flags))
<a name="l00931"></a>00931 {
<a name="l00932"></a>00932 _dbus_verbose (<span class="stringliteral">"Hang up or error on watch\n"</span>);
<a name="l00933"></a>00933 <a class="code" href="group__DBusTransport.html#ga78444dd8f6c6d6b429433ad81c3e318a" title="Closes our end of the connection to a remote application.">_dbus_transport_disconnect</a> (transport);
<a name="l00934"></a>00934 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00935"></a>00935 }
<a name="l00936"></a>00936
<a name="l00937"></a>00937 <span class="keywordflow">if</span> (watch == socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a> &&
<a name="l00938"></a>00938 (flags & DBUS_WATCH_READABLE))
<a name="l00939"></a>00939 {
<a name="l00940"></a>00940 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> auth_finished;
<a name="l00941"></a>00941 <span class="preprocessor">#if 1</span>
<a name="l00942"></a>00942 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">"handling read watch %p flags = %x\n"</span>,
<a name="l00943"></a>00943 watch, flags);
<a name="l00944"></a>00944 <span class="preprocessor">#endif</span>
<a name="l00945"></a>00945 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!do_authentication (transport, <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>, <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>, &auth_finished))
<a name="l00946"></a>00946 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00947"></a>00947
<a name="l00948"></a>00948 <span class="comment">/* We don't want to do a read immediately following</span>
<a name="l00949"></a>00949 <span class="comment"> * a successful authentication. This is so we</span>
<a name="l00950"></a>00950 <span class="comment"> * have a chance to propagate the authentication</span>
<a name="l00951"></a>00951 <span class="comment"> * state further up. Specifically, we need to</span>
<a name="l00952"></a>00952 <span class="comment"> * process any pending data from the auth object.</span>
<a name="l00953"></a>00953 <span class="comment"> */</span>
<a name="l00954"></a>00954 <span class="keywordflow">if</span> (!auth_finished)
<a name="l00955"></a>00955 {
<a name="l00956"></a>00956 <span class="keywordflow">if</span> (!do_reading (transport))
<a name="l00957"></a>00957 {
<a name="l00958"></a>00958 _dbus_verbose (<span class="stringliteral">"no memory to read\n"</span>);
<a name="l00959"></a>00959 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00960"></a>00960 }
<a name="l00961"></a>00961 }
<a name="l00962"></a>00962 <span class="keywordflow">else</span>
<a name="l00963"></a>00963 {
<a name="l00964"></a>00964 _dbus_verbose (<span class="stringliteral">"Not reading anything since we just completed the authentication\n"</span>);
<a name="l00965"></a>00965 }
<a name="l00966"></a>00966 }
<a name="l00967"></a>00967 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (watch == socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a> &&
<a name="l00968"></a>00968 (flags & <a class="code" href="group__DBusConnection.html#gga0556779e61aeb19eb9cf6b6466bd1b98a62ddca29b06bfbbc08bb7f3dfd3d307f" title="As in POLLOUT.">DBUS_WATCH_WRITABLE</a>))
<a name="l00969"></a>00969 {
<a name="l00970"></a>00970 <span class="preprocessor">#if 1</span>
<a name="l00971"></a>00971 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">"handling write watch, have_outgoing_messages = %d\n"</span>,
<a name="l00972"></a>00972 <a class="code" href="group__DBusConnectionInternals.html#ga3d31a01751860b67f960dcaffb7bb4ef" title="Checks whether there are messages in the outgoing message queue.">_dbus_connection_has_messages_to_send_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>));
<a name="l00973"></a>00973 <span class="preprocessor">#endif</span>
<a name="l00974"></a>00974 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!do_authentication (transport, <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>, <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>))
<a name="l00975"></a>00975 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00976"></a>00976
<a name="l00977"></a>00977 <span class="keywordflow">if</span> (!do_writing (transport))
<a name="l00978"></a>00978 {
<a name="l00979"></a>00979 _dbus_verbose (<span class="stringliteral">"no memory to write\n"</span>);
<a name="l00980"></a>00980 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00981"></a>00981 }
<a name="l00982"></a>00982
<a name="l00983"></a>00983 <span class="comment">/* See if we still need the write watch */</span>
<a name="l00984"></a>00984 check_write_watch (transport);
<a name="l00985"></a>00985 }
<a name="l00986"></a>00986 <span class="preprocessor">#ifdef DBUS_ENABLE_VERBOSE_MODE</span>
<a name="l00987"></a>00987 <span class="preprocessor"></span> <span class="keywordflow">else</span>
<a name="l00988"></a>00988 {
<a name="l00989"></a>00989 <span class="keywordflow">if</span> (watch == socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>)
<a name="l00990"></a>00990 _dbus_verbose (<span class="stringliteral">"asked to handle read watch with non-read condition 0x%x\n"</span>,
<a name="l00991"></a>00991 flags);
<a name="l00992"></a>00992 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (watch == socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>)
<a name="l00993"></a>00993 _dbus_verbose (<span class="stringliteral">"asked to handle write watch with non-write condition 0x%x\n"</span>,
<a name="l00994"></a>00994 flags);
<a name="l00995"></a>00995 <span class="keywordflow">else</span>
<a name="l00996"></a>00996 _dbus_verbose (<span class="stringliteral">"asked to handle watch %p on fd %d that we don't recognize\n"</span>,
<a name="l00997"></a>00997 watch, <a class="code" href="group__DBusWatch.html#ga91308f393d41b31babda17c83833517f" title="Returns a socket to be watched, on UNIX this will return -1 if our transport is not socket-based so d...">dbus_watch_get_socket</a> (watch));
<a name="l00998"></a>00998 }
<a name="l00999"></a>00999 <span class="preprocessor">#endif </span><span class="comment">/* DBUS_ENABLE_VERBOSE_MODE */</span>
<a name="l01000"></a>01000
<a name="l01001"></a>01001 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l01002"></a>01002 }
<a name="l01003"></a>01003
<a name="l01004"></a>01004 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l01005"></a>01005 socket_disconnect (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport)
<a name="l01006"></a>01006 {
<a name="l01007"></a>01007 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l01008"></a>01008
<a name="l01009"></a>01009 _dbus_verbose (<span class="stringliteral">"\n"</span>);
<a name="l01010"></a>01010
<a name="l01011"></a>01011 free_watches (transport);
<a name="l01012"></a>01012
<a name="l01013"></a>01013 <a class="code" href="group__DBusSysdeps.html#ga701f9b3087c196404f66ff95b4ace0b8" title="Closes a socket.">_dbus_close_socket</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l01014"></a>01014 socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a> = -1;
<a name="l01015"></a>01015 }
<a name="l01016"></a>01016
<a name="l01017"></a>01017 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l01018"></a>01018 socket_connection_set (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport)
<a name="l01019"></a>01019 {
<a name="l01020"></a>01020 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l01021"></a>01021
<a name="l01022"></a>01022 <a class="code" href="group__DBusWatchInternals.html#ga75620808f4d2245914012a41e3b82f3c" title="Sets the handler for the watch.">_dbus_watch_set_handler</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>,
<a name="l01023"></a>01023 <a class="code" href="group__DBusConnectionInternals.html#ga12756797bd5c1918aa065f9c37ed7bba" title="A callback for use with dbus_watch_new() to create a DBusWatch.">_dbus_connection_handle_watch</a>,
<a name="l01024"></a>01024 transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l01025"></a>01025
<a name="l01026"></a>01026 <a class="code" href="group__DBusWatchInternals.html#ga75620808f4d2245914012a41e3b82f3c" title="Sets the handler for the watch.">_dbus_watch_set_handler</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>,
<a name="l01027"></a>01027 <a class="code" href="group__DBusConnectionInternals.html#ga12756797bd5c1918aa065f9c37ed7bba" title="A callback for use with dbus_watch_new() to create a DBusWatch.">_dbus_connection_handle_watch</a>,
<a name="l01028"></a>01028 transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l01029"></a>01029
<a name="l01030"></a>01030 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusConnectionInternals.html#ga82adef36b4cd583bc1146eae5756c063" title="Adds a watch using the connection's DBusAddWatchFunction if available.">_dbus_connection_add_watch_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>,
<a name="l01031"></a>01031 socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>))
<a name="l01032"></a>01032 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l01033"></a>01033
<a name="l01034"></a>01034 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusConnectionInternals.html#ga82adef36b4cd583bc1146eae5756c063" title="Adds a watch using the connection's DBusAddWatchFunction if available.">_dbus_connection_add_watch_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>,
<a name="l01035"></a>01035 socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>))
<a name="l01036"></a>01036 {
<a name="l01037"></a>01037 <a class="code" href="group__DBusConnectionInternals.html#ga65fc02c0756d0c7caaa39cd60922c99b" title="Removes a watch using the connection's DBusRemoveWatchFunction if available.">_dbus_connection_remove_watch_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>,
<a name="l01038"></a>01038 socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>);
<a name="l01039"></a>01039 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l01040"></a>01040 }
<a name="l01041"></a>01041
<a name="l01042"></a>01042 check_read_watch (transport);
<a name="l01043"></a>01043 check_write_watch (transport);
<a name="l01044"></a>01044
<a name="l01045"></a>01045 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l01046"></a>01046 }
<a name="l01047"></a>01047
<a name="l01055"></a>01055 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l01056"></a>01056 socket_do_iteration (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport,
<a name="l01057"></a>01057 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags,
<a name="l01058"></a>01058 <span class="keywordtype">int</span> timeout_milliseconds)
<a name="l01059"></a>01059 {
<a name="l01060"></a>01060 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l01061"></a>01061 <a class="code" href="structDBusPollFD.html" title="A portable struct pollfd wrapper.">DBusPollFD</a> poll_fd;
<a name="l01062"></a>01062 <span class="keywordtype">int</span> poll_res;
<a name="l01063"></a>01063 <span class="keywordtype">int</span> poll_timeout;
<a name="l01064"></a>01064
<a name="l01065"></a>01065 _dbus_verbose (<span class="stringliteral">" iteration flags = %s%s timeout = %d read_watch = %p write_watch = %p fd = %d\n"</span>,
<a name="l01066"></a>01066 flags & DBUS_ITERATION_DO_READING ? <span class="stringliteral">"read"</span> : <span class="stringliteral">""</span>,
<a name="l01067"></a>01067 flags & DBUS_ITERATION_DO_WRITING ? <span class="stringliteral">"write"</span> : <span class="stringliteral">""</span>,
<a name="l01068"></a>01068 timeout_milliseconds,
<a name="l01069"></a>01069 socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>,
<a name="l01070"></a>01070 socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>,
<a name="l01071"></a>01071 socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>);
<a name="l01072"></a>01072
<a name="l01073"></a>01073 <span class="comment">/* the passed in DO_READING/DO_WRITING flags indicate whether to</span>
<a name="l01074"></a>01074 <span class="comment"> * read/write messages, but regardless of those we may need to block</span>
<a name="l01075"></a>01075 <span class="comment"> * for reading/writing to do auth. But if we do reading for auth,</span>
<a name="l01076"></a>01076 <span class="comment"> * we don't want to read any messages yet if not given DO_READING.</span>
<a name="l01077"></a>01077 <span class="comment"> */</span>
<a name="l01078"></a>01078
<a name="l01079"></a>01079 poll_fd.<a class="code" href="structDBusPollFD.html#a10b23977d2f696abfd276b9077f8c97e" title="File descriptor.">fd</a> = socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>;
<a name="l01080"></a>01080 poll_fd.<a class="code" href="structDBusPollFD.html#a10e65e6721451e92361497b2efaa758f" title="Events to poll for.">events</a> = 0;
<a name="l01081"></a>01081
<a name="l01082"></a>01082 <span class="keywordflow">if</span> (<a class="code" href="group__DBusTransport.html#gabe774b134a4bf8c8fc09e6186470874f" title="Returns TRUE if we have been authenticated.">_dbus_transport_try_to_authenticate</a> (transport))
<a name="l01083"></a>01083 {
<a name="l01084"></a>01084 <span class="comment">/* This is kind of a hack; if we have stuff to write, then try</span>
<a name="l01085"></a>01085 <span class="comment"> * to avoid the poll. This is probably about a 5% speedup on an</span>
<a name="l01086"></a>01086 <span class="comment"> * echo client/server.</span>
<a name="l01087"></a>01087 <span class="comment"> *</span>
<a name="l01088"></a>01088 <span class="comment"> * If both reading and writing were requested, we want to avoid this</span>
<a name="l01089"></a>01089 <span class="comment"> * since it could have funky effects:</span>
<a name="l01090"></a>01090 <span class="comment"> * - both ends spinning waiting for the other one to read</span>
<a name="l01091"></a>01091 <span class="comment"> * data so they can finish writing</span>
<a name="l01092"></a>01092 <span class="comment"> * - prioritizing all writing ahead of reading</span>
<a name="l01093"></a>01093 <span class="comment"> */</span>
<a name="l01094"></a>01094 <span class="keywordflow">if</span> ((flags & DBUS_ITERATION_DO_WRITING) &&
<a name="l01095"></a>01095 !(flags & (DBUS_ITERATION_DO_READING | DBUS_ITERATION_BLOCK)) &&
<a name="l01096"></a>01096 !transport-><a class="code" href="structDBusTransport.html#a487a7375e94efba850f8344a252cfa63" title="TRUE if we are disconnected.">disconnected</a> &&
<a name="l01097"></a>01097 <a class="code" href="group__DBusConnectionInternals.html#ga3d31a01751860b67f960dcaffb7bb4ef" title="Checks whether there are messages in the outgoing message queue.">_dbus_connection_has_messages_to_send_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>))
<a name="l01098"></a>01098 {
<a name="l01099"></a>01099 do_writing (transport);
<a name="l01100"></a>01100
<a name="l01101"></a>01101 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#a487a7375e94efba850f8344a252cfa63" title="TRUE if we are disconnected.">disconnected</a> ||
<a name="l01102"></a>01102 !<a class="code" href="group__DBusConnectionInternals.html#ga3d31a01751860b67f960dcaffb7bb4ef" title="Checks whether there are messages in the outgoing message queue.">_dbus_connection_has_messages_to_send_unlocked</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>))
<a name="l01103"></a>01103 <span class="keywordflow">goto</span> out;
<a name="l01104"></a>01104 }
<a name="l01105"></a>01105
<a name="l01106"></a>01106 <span class="comment">/* If we get here, we decided to do the poll() after all */</span>
<a name="l01107"></a>01107 _dbus_assert (socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>);
<a name="l01108"></a>01108 <span class="keywordflow">if</span> (flags & DBUS_ITERATION_DO_READING)
<a name="l01109"></a>01109 poll_fd.<a class="code" href="structDBusPollFD.html#a10e65e6721451e92361497b2efaa758f" title="Events to poll for.">events</a> |= <a class="code" href="group__DBusSysdeps.html#ga96b5ba58b9939d789bfece0d9bb82f41" title="There is data to read.">_DBUS_POLLIN</a>;
<a name="l01110"></a>01110
<a name="l01111"></a>01111 _dbus_assert (socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>);
<a name="l01112"></a>01112 <span class="keywordflow">if</span> (flags & DBUS_ITERATION_DO_WRITING)
<a name="l01113"></a>01113 poll_fd.<a class="code" href="structDBusPollFD.html#a10e65e6721451e92361497b2efaa758f" title="Events to poll for.">events</a> |= <a class="code" href="group__DBusSysdeps.html#ga0cb1ace07be145e0b908687e99b5f161" title="Writing now will not block.">_DBUS_POLLOUT</a>;
<a name="l01114"></a>01114 }
<a name="l01115"></a>01115 <span class="keywordflow">else</span>
<a name="l01116"></a>01116 {
<a name="l01117"></a>01117 DBusAuthState auth_state;
<a name="l01118"></a>01118
<a name="l01119"></a>01119 auth_state = <a class="code" href="group__DBusAuth.html#ga097c71f7f20b749275c6b31cd98623f5" title="Analyzes buffered input and moves the auth conversation forward, returning the new state of the auth ...">_dbus_auth_do_work</a> (transport-><a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>);
<a name="l01120"></a>01120
<a name="l01121"></a>01121 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#aaa29089fbb1fbdb5b412b3ed18c84b2d" title="TRUE if we need to receive credentials">receive_credentials_pending</a> ||
<a name="l01122"></a>01122 auth_state == DBUS_AUTH_STATE_WAITING_FOR_INPUT)
<a name="l01123"></a>01123 poll_fd.<a class="code" href="structDBusPollFD.html#a10e65e6721451e92361497b2efaa758f" title="Events to poll for.">events</a> |= <a class="code" href="group__DBusSysdeps.html#ga96b5ba58b9939d789bfece0d9bb82f41" title="There is data to read.">_DBUS_POLLIN</a>;
<a name="l01124"></a>01124
<a name="l01125"></a>01125 <span class="keywordflow">if</span> (transport-><a class="code" href="structDBusTransport.html#a7d91848b94203022be1090d93dd2cd04" title="TRUE if we need to send credentials">send_credentials_pending</a> ||
<a name="l01126"></a>01126 auth_state == DBUS_AUTH_STATE_HAVE_BYTES_TO_SEND)
<a name="l01127"></a>01127 poll_fd.<a class="code" href="structDBusPollFD.html#a10e65e6721451e92361497b2efaa758f" title="Events to poll for.">events</a> |= <a class="code" href="group__DBusSysdeps.html#ga0cb1ace07be145e0b908687e99b5f161" title="Writing now will not block.">_DBUS_POLLOUT</a>;
<a name="l01128"></a>01128 }
<a name="l01129"></a>01129
<a name="l01130"></a>01130 <span class="keywordflow">if</span> (poll_fd.<a class="code" href="structDBusPollFD.html#a10e65e6721451e92361497b2efaa758f" title="Events to poll for.">events</a>)
<a name="l01131"></a>01131 {
<a name="l01132"></a>01132 <span class="keywordflow">if</span> (flags & DBUS_ITERATION_BLOCK)
<a name="l01133"></a>01133 poll_timeout = timeout_milliseconds;
<a name="l01134"></a>01134 <span class="keywordflow">else</span>
<a name="l01135"></a>01135 poll_timeout = 0;
<a name="l01136"></a>01136
<a name="l01137"></a>01137 <span class="comment">/* For blocking selects we drop the connection lock here</span>
<a name="l01138"></a>01138 <span class="comment"> * to avoid blocking out connection access during a potentially</span>
<a name="l01139"></a>01139 <span class="comment"> * indefinite blocking call. The io path is still protected</span>
<a name="l01140"></a>01140 <span class="comment"> * by the io_path_cond condvar, so we won't reenter this.</span>
<a name="l01141"></a>01141 <span class="comment"> */</span>
<a name="l01142"></a>01142 <span class="keywordflow">if</span> (flags & DBUS_ITERATION_BLOCK)
<a name="l01143"></a>01143 {
<a name="l01144"></a>01144 _dbus_verbose (<span class="stringliteral">"unlock pre poll\n"</span>);
<a name="l01145"></a>01145 <a class="code" href="group__DBusConnectionInternals.html#ga3db10d48ec16e485d5a638aacebd4ad2" title="Releases the connection lock.">_dbus_connection_unlock</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>);
<a name="l01146"></a>01146 }
<a name="l01147"></a>01147
<a name="l01148"></a>01148 again:
<a name="l01149"></a>01149 poll_res = <a class="code" href="group__DBusSysdeps.html#gac1cdb5995dcef6dd54399ab610ae689a" title="Wrapper for poll().">_dbus_poll</a> (&poll_fd, 1, poll_timeout);
<a name="l01150"></a>01150
<a name="l01151"></a>01151 <span class="keywordflow">if</span> (poll_res < 0 && <a class="code" href="group__DBusInternalsUtils.html#ga08e67a10b197995c101c89f248c24105" title="See if errno is EINTR.">_dbus_get_is_errno_eintr</a> ())
<a name="l01152"></a>01152 <span class="keywordflow">goto</span> again;
<a name="l01153"></a>01153
<a name="l01154"></a>01154 <span class="keywordflow">if</span> (flags & DBUS_ITERATION_BLOCK)
<a name="l01155"></a>01155 {
<a name="l01156"></a>01156 _dbus_verbose (<span class="stringliteral">"lock post poll\n"</span>);
<a name="l01157"></a>01157 <a class="code" href="group__DBusConnectionInternals.html#ga4fe0c8f7b72dc89b9e1a3110db2f778e" title="Acquires the connection lock.">_dbus_connection_lock</a> (transport-><a class="code" href="structDBusTransport.html#a8abdfc9327aa30550982c83b45354651" title="Connection owning this transport.">connection</a>);
<a name="l01158"></a>01158 }
<a name="l01159"></a>01159
<a name="l01160"></a>01160 <span class="keywordflow">if</span> (poll_res >= 0)
<a name="l01161"></a>01161 {
<a name="l01162"></a>01162 <span class="keywordflow">if</span> (poll_res == 0)
<a name="l01163"></a>01163 poll_fd.<a class="code" href="structDBusPollFD.html#a24bc29c766b8bbddc5da052e7a46bc9e" title="Events that occurred.">revents</a> = 0; <span class="comment">/* some concern that posix does not guarantee this;</span>
<a name="l01164"></a>01164 <span class="comment"> * valgrind flags it as an error. though it probably</span>
<a name="l01165"></a>01165 <span class="comment"> * is guaranteed on linux at least.</span>
<a name="l01166"></a>01166 <span class="comment"> */</span>
<a name="l01167"></a>01167
<a name="l01168"></a>01168 <span class="keywordflow">if</span> (poll_fd.<a class="code" href="structDBusPollFD.html#a24bc29c766b8bbddc5da052e7a46bc9e" title="Events that occurred.">revents</a> & <a class="code" href="group__DBusSysdeps.html#ga231164196ff407eccb732452a2d36468" title="Error condition.">_DBUS_POLLERR</a>)
<a name="l01169"></a>01169 do_io_error (transport);
<a name="l01170"></a>01170 <span class="keywordflow">else</span>
<a name="l01171"></a>01171 {
<a name="l01172"></a>01172 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> need_read = (poll_fd.<a class="code" href="structDBusPollFD.html#a24bc29c766b8bbddc5da052e7a46bc9e" title="Events that occurred.">revents</a> & <a class="code" href="group__DBusSysdeps.html#ga96b5ba58b9939d789bfece0d9bb82f41" title="There is data to read.">_DBUS_POLLIN</a>) > 0;
<a name="l01173"></a>01173 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> need_write = (poll_fd.<a class="code" href="structDBusPollFD.html#a24bc29c766b8bbddc5da052e7a46bc9e" title="Events that occurred.">revents</a> & <a class="code" href="group__DBusSysdeps.html#ga0cb1ace07be145e0b908687e99b5f161" title="Writing now will not block.">_DBUS_POLLOUT</a>) > 0;
<a name="l01174"></a>01174 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> authentication_completed;
<a name="l01175"></a>01175
<a name="l01176"></a>01176 _dbus_verbose (<span class="stringliteral">"in iteration, need_read=%d need_write=%d\n"</span>,
<a name="l01177"></a>01177 need_read, need_write);
<a name="l01178"></a>01178 do_authentication (transport, need_read, need_write,
<a name="l01179"></a>01179 &authentication_completed);
<a name="l01180"></a>01180
<a name="l01181"></a>01181 <span class="comment">/* See comment in socket_handle_watch. */</span>
<a name="l01182"></a>01182 <span class="keywordflow">if</span> (authentication_completed)
<a name="l01183"></a>01183 <span class="keywordflow">goto</span> out;
<a name="l01184"></a>01184
<a name="l01185"></a>01185 <span class="keywordflow">if</span> (need_read && (flags & DBUS_ITERATION_DO_READING))
<a name="l01186"></a>01186 do_reading (transport);
<a name="l01187"></a>01187 <span class="keywordflow">if</span> (need_write && (flags & DBUS_ITERATION_DO_WRITING))
<a name="l01188"></a>01188 do_writing (transport);
<a name="l01189"></a>01189 }
<a name="l01190"></a>01190 }
<a name="l01191"></a>01191 <span class="keywordflow">else</span>
<a name="l01192"></a>01192 {
<a name="l01193"></a>01193 _dbus_verbose (<span class="stringliteral">"Error from _dbus_poll(): %s\n"</span>,
<a name="l01194"></a>01194 <a class="code" href="group__DBusInternalsUtils.html#ga56de84795d6df4162ad79b3be7af7588" title="Get error message from errno.">_dbus_strerror_from_errno</a> ());
<a name="l01195"></a>01195 }
<a name="l01196"></a>01196 }
<a name="l01197"></a>01197
<a name="l01198"></a>01198
<a name="l01199"></a>01199 out:
<a name="l01200"></a>01200 <span class="comment">/* We need to install the write watch only if we did not</span>
<a name="l01201"></a>01201 <span class="comment"> * successfully write everything. Note we need to be careful that we</span>
<a name="l01202"></a>01202 <span class="comment"> * don't call check_write_watch *before* do_writing, since it's</span>
<a name="l01203"></a>01203 <span class="comment"> * inefficient to add the write watch, and we can avoid it most of</span>
<a name="l01204"></a>01204 <span class="comment"> * the time since we can write immediately.</span>
<a name="l01205"></a>01205 <span class="comment"> * </span>
<a name="l01206"></a>01206 <span class="comment"> * However, we MUST always call check_write_watch(); DBusConnection code</span>
<a name="l01207"></a>01207 <span class="comment"> * relies on the fact that running an iteration will notice that</span>
<a name="l01208"></a>01208 <span class="comment"> * messages are pending.</span>
<a name="l01209"></a>01209 <span class="comment"> */</span>
<a name="l01210"></a>01210 check_write_watch (transport);
<a name="l01211"></a>01211
<a name="l01212"></a>01212 _dbus_verbose (<span class="stringliteral">" ... leaving do_iteration()\n"</span>);
<a name="l01213"></a>01213 }
<a name="l01214"></a>01214
<a name="l01215"></a>01215 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l01216"></a>01216 socket_live_messages_changed (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport)
<a name="l01217"></a>01217 {
<a name="l01218"></a>01218 <span class="comment">/* See if we should look for incoming messages again */</span>
<a name="l01219"></a>01219 check_read_watch (transport);
<a name="l01220"></a>01220 }
<a name="l01221"></a>01221
<a name="l01222"></a>01222
<a name="l01223"></a>01223 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l01224"></a>01224 socket_get_socket_fd (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport,
<a name="l01225"></a>01225 <span class="keywordtype">int</span> *fd_p)
<a name="l01226"></a>01226 {
<a name="l01227"></a>01227 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport = (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>*) transport;
<a name="l01228"></a>01228
<a name="l01229"></a>01229 *fd_p = socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a>;
<a name="l01230"></a>01230
<a name="l01231"></a>01231 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l01232"></a>01232 }
<a name="l01233"></a>01233
<a name="l01234"></a>01234 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="structDBusTransportVTable.html" title="The virtual table that must be implemented to create a new kind of transport.">DBusTransportVTable</a> socket_vtable = {
<a name="l01235"></a>01235 socket_finalize,
<a name="l01236"></a>01236 socket_handle_watch,
<a name="l01237"></a>01237 socket_disconnect,
<a name="l01238"></a>01238 socket_connection_set,
<a name="l01239"></a>01239 socket_do_iteration,
<a name="l01240"></a>01240 socket_live_messages_changed,
<a name="l01241"></a>01241 socket_get_socket_fd
<a name="l01242"></a>01242 };
<a name="l01243"></a>01243
<a name="l01255"></a>01255 <a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a>*
<a name="l01256"></a><a class="code" href="group__DBusTransportSocket.html#gac714eaa33ff4ab5c01be1304b23339a7">01256</a> <a class="code" href="group__DBusTransportSocket.html#gac714eaa33ff4ab5c01be1304b23339a7" title="Creates a new transport for the given socket file descriptor.">_dbus_transport_new_for_socket</a> (<span class="keywordtype">int</span> fd,
<a name="l01257"></a>01257 <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *server_guid,
<a name="l01258"></a>01258 <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *address)
<a name="l01259"></a>01259 {
<a name="l01260"></a>01260 <a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a> *socket_transport;
<a name="l01261"></a>01261
<a name="l01262"></a>01262 socket_transport = <a class="code" href="group__DBusMemory.html#gaba9d823abda7f4cadbaf5177d3b8b793" title="Safe macro for using dbus_malloc0().">dbus_new0</a> (<a class="code" href="structDBusTransportSocket.html" title="Implementation details of DBusTransportSocket.">DBusTransportSocket</a>, 1);
<a name="l01263"></a>01263 <span class="keywordflow">if</span> (socket_transport == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l01264"></a>01264 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l01265"></a>01265
<a name="l01266"></a>01266 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#ga348252317f7bb8ac43529972945830ae" title="Initializes a string.">_dbus_string_init</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>))
<a name="l01267"></a>01267 <span class="keywordflow">goto</span> failed_0;
<a name="l01268"></a>01268
<a name="l01269"></a>01269 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#ga348252317f7bb8ac43529972945830ae" title="Initializes a string.">_dbus_string_init</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a840f1a09f5256b5c737e3e45beb47966" title="Encoded version of current incoming data.">encoded_incoming</a>))
<a name="l01270"></a>01270 <span class="keywordflow">goto</span> failed_1;
<a name="l01271"></a>01271
<a name="l01272"></a>01272 socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a> = <a class="code" href="group__DBusWatchInternals.html#ga1f940e505b20e6429ae858a7b70b0541" title="Creates a new DBusWatch.">_dbus_watch_new</a> (fd,
<a name="l01273"></a>01273 DBUS_WATCH_WRITABLE,
<a name="l01274"></a>01274 <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>,
<a name="l01275"></a>01275 <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l01276"></a>01276 <span class="keywordflow">if</span> (socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a> == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l01277"></a>01277 <span class="keywordflow">goto</span> failed_2;
<a name="l01278"></a>01278
<a name="l01279"></a>01279 socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a> = <a class="code" href="group__DBusWatchInternals.html#ga1f940e505b20e6429ae858a7b70b0541" title="Creates a new DBusWatch.">_dbus_watch_new</a> (fd,
<a name="l01280"></a>01280 DBUS_WATCH_READABLE,
<a name="l01281"></a>01281 <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>,
<a name="l01282"></a>01282 <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l01283"></a>01283 <span class="keywordflow">if</span> (socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a> == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l01284"></a>01284 <span class="keywordflow">goto</span> failed_3;
<a name="l01285"></a>01285
<a name="l01286"></a>01286 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusTransport.html#gaa5ece78ea671fe9d9ed17fc6920c9d09" title="Initializes the base class members of DBusTransport.">_dbus_transport_init_base</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#ab820e51211635434c40ffa812d8013e5" title="Parent instance.">base</a>,
<a name="l01287"></a>01287 &socket_vtable,
<a name="l01288"></a>01288 server_guid, address))
<a name="l01289"></a>01289 <span class="keywordflow">goto</span> failed_4;
<a name="l01290"></a>01290
<a name="l01291"></a>01291 <span class="preprocessor">#ifdef HAVE_UNIX_FD_PASSING</span>
<a name="l01292"></a>01292 <span class="preprocessor"></span> <a class="code" href="group__DBusAuth.html#ga831cbd78b6c7f382840e4094f02efdb5" title="Sets whether unix fd passing is potentially on the transport and hence shall be negotiated.">_dbus_auth_set_unix_fd_possible</a>(socket_transport-><a class="code" href="structDBusTransportSocket.html#ab820e51211635434c40ffa812d8013e5" title="Parent instance.">base</a>.<a class="code" href="structDBusTransport.html#acf71c91312f325be13ce6c09298b1eb8" title="Authentication conversation.">auth</a>, <a class="code" href="group__DBusSysdeps.html#ga06183453a52a6919619e85dc1812c9b7" title="Checks whether file descriptors may be passed via the socket.">_dbus_socket_can_pass_unix_fd</a>(fd));
<a name="l01293"></a>01293 <span class="preprocessor">#endif</span>
<a name="l01294"></a>01294 <span class="preprocessor"></span>
<a name="l01295"></a>01295 socket_transport-><a class="code" href="structDBusTransportSocket.html#ad3f866a158a1c00c2773696eef3bbe5f" title="File descriptor.">fd</a> = fd;
<a name="l01296"></a>01296 socket_transport-><a class="code" href="structDBusTransportSocket.html#a5304711c08da21ef109e3c736a8bcfe7" title="Number of bytes of current outgoing message that have been written.">message_bytes_written</a> = 0;
<a name="l01297"></a>01297
<a name="l01298"></a>01298 <span class="comment">/* These values should probably be tunable or something. */</span>
<a name="l01299"></a>01299 socket_transport-><a class="code" href="structDBusTransportSocket.html#ac70dd065b0e2805198432d93f5f4f5dc" title="To avoid blocking too long.">max_bytes_read_per_iteration</a> = 2048;
<a name="l01300"></a>01300 socket_transport-><a class="code" href="structDBusTransportSocket.html#a5e8631812d429f8567974836627ab3de" title="To avoid blocking too long.">max_bytes_written_per_iteration</a> = 2048;
<a name="l01301"></a>01301
<a name="l01302"></a>01302 <span class="keywordflow">return</span> (<a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a>*) socket_transport;
<a name="l01303"></a>01303
<a name="l01304"></a>01304 failed_4:
<a name="l01305"></a>01305 <a class="code" href="group__DBusWatchInternals.html#gad8521d64123c1d1ae9a094bac8addd31" title="Clears the file descriptor from a now-invalid watch object so that no one tries to use it...">_dbus_watch_invalidate</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>);
<a name="l01306"></a>01306 <a class="code" href="group__DBusWatchInternals.html#ga7d27dfc13a3ccfbaa99ceab331bb46f0" title="Decrements the reference count of a DBusWatch object and finalizes the object if the count reaches ze...">_dbus_watch_unref</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#aba60b33603091a87f7cbd2a8e76cd8f6" title="Watch for readability.">read_watch</a>);
<a name="l01307"></a>01307 failed_3:
<a name="l01308"></a>01308 <a class="code" href="group__DBusWatchInternals.html#gad8521d64123c1d1ae9a094bac8addd31" title="Clears the file descriptor from a now-invalid watch object so that no one tries to use it...">_dbus_watch_invalidate</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>);
<a name="l01309"></a>01309 <a class="code" href="group__DBusWatchInternals.html#ga7d27dfc13a3ccfbaa99ceab331bb46f0" title="Decrements the reference count of a DBusWatch object and finalizes the object if the count reaches ze...">_dbus_watch_unref</a> (socket_transport-><a class="code" href="structDBusTransportSocket.html#a0134735f074583b16a91d7f54bfcccb9" title="Watch for writability.">write_watch</a>);
<a name="l01310"></a>01310 failed_2:
<a name="l01311"></a>01311 <a class="code" href="group__DBusString.html#ga781ca91acda49a834dce7d0ed0eef212" title="Frees a string created by _dbus_string_init().">_dbus_string_free</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a840f1a09f5256b5c737e3e45beb47966" title="Encoded version of current incoming data.">encoded_incoming</a>);
<a name="l01312"></a>01312 failed_1:
<a name="l01313"></a>01313 <a class="code" href="group__DBusString.html#ga781ca91acda49a834dce7d0ed0eef212" title="Frees a string created by _dbus_string_init().">_dbus_string_free</a> (&socket_transport-><a class="code" href="structDBusTransportSocket.html#a88925e2ff68a30457c0fee211812c5d6" title="Encoded version of current outgoing message.">encoded_outgoing</a>);
<a name="l01314"></a>01314 failed_0:
<a name="l01315"></a>01315 <a class="code" href="group__DBusMemory.html#ga34e666b19b015035a9a31e53da84b39a" title="Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().">dbus_free</a> (socket_transport);
<a name="l01316"></a>01316 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l01317"></a>01317 }
<a name="l01318"></a>01318
<a name="l01330"></a>01330 <a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a>*
<a name="l01331"></a><a class="code" href="group__DBusTransportSocket.html#ga166dbf1d38f06321025408167d214860">01331</a> <a class="code" href="group__DBusTransportSocket.html#ga166dbf1d38f06321025408167d214860" title="Creates a new transport for the given hostname and port.">_dbus_transport_new_for_tcp_socket</a> (<span class="keyword">const</span> <span class="keywordtype">char</span> *host,
<a name="l01332"></a>01332 <span class="keyword">const</span> <span class="keywordtype">char</span> *port,
<a name="l01333"></a>01333 <span class="keyword">const</span> <span class="keywordtype">char</span> *family,
<a name="l01334"></a>01334 <span class="keyword">const</span> <span class="keywordtype">char</span> *noncefile,
<a name="l01335"></a>01335 <a class="code" href="structDBusError.html" title="Object representing an exception.">DBusError</a> *error)
<a name="l01336"></a>01336 {
<a name="l01337"></a>01337 <span class="keywordtype">int</span> fd;
<a name="l01338"></a>01338 <a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> *transport;
<a name="l01339"></a>01339 <a class="code" href="structDBusString.html">DBusString</a> address;
<a name="l01340"></a>01340
<a name="l01341"></a>01341 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l01342"></a>01342
<a name="l01343"></a>01343 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#ga348252317f7bb8ac43529972945830ae" title="Initializes a string.">_dbus_string_init</a> (&address))
<a name="l01344"></a>01344 {
<a name="l01345"></a>01345 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gac32eaf0b92f798307853cd4fe0cf11c2" title="There was not enough memory to complete an operation.">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l01346"></a>01346 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l01347"></a>01347 }
<a name="l01348"></a>01348
<a name="l01349"></a>01349 <span class="keywordflow">if</span> (host == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l01350"></a>01350 host = <span class="stringliteral">"localhost"</span>;
<a name="l01351"></a>01351
<a name="l01352"></a>01352 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#ga100c5ce0696822c5a4cfbdfaba674d96" title="Appends a nul-terminated C-style string to a DBusString.">_dbus_string_append</a> (&address, noncefile ? <span class="stringliteral">"nonce-tcp:"</span> : <span class="stringliteral">"tcp:"</span>))
<a name="l01353"></a>01353 <span class="keywordflow">goto</span> error;
<a name="l01354"></a>01354
<a name="l01355"></a>01355 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#ga100c5ce0696822c5a4cfbdfaba674d96" title="Appends a nul-terminated C-style string to a DBusString.">_dbus_string_append</a> (&address, <span class="stringliteral">"host="</span>) ||
<a name="l01356"></a>01356 !<a class="code" href="group__DBusString.html#ga100c5ce0696822c5a4cfbdfaba674d96" title="Appends a nul-terminated C-style string to a DBusString.">_dbus_string_append</a> (&address, host))
<a name="l01357"></a>01357 <span class="keywordflow">goto</span> error;
<a name="l01358"></a>01358
<a name="l01359"></a>01359 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#ga100c5ce0696822c5a4cfbdfaba674d96" title="Appends a nul-terminated C-style string to a DBusString.">_dbus_string_append</a> (&address, <span class="stringliteral">",port="</span>) ||
<a name="l01360"></a>01360 !<a class="code" href="group__DBusString.html#ga100c5ce0696822c5a4cfbdfaba674d96" title="Appends a nul-terminated C-style string to a DBusString.">_dbus_string_append</a> (&address, port))
<a name="l01361"></a>01361 <span class="keywordflow">goto</span> error;
<a name="l01362"></a>01362
<a name="l01363"></a>01363 <span class="keywordflow">if</span> (family != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a> &&
<a name="l01364"></a>01364 (!<a class="code" href="group__DBusString.html#ga100c5ce0696822c5a4cfbdfaba674d96" title="Appends a nul-terminated C-style string to a DBusString.">_dbus_string_append</a> (&address, <span class="stringliteral">",family="</span>) ||
<a name="l01365"></a>01365 !<a class="code" href="group__DBusString.html#ga100c5ce0696822c5a4cfbdfaba674d96" title="Appends a nul-terminated C-style string to a DBusString.">_dbus_string_append</a> (&address, family)))
<a name="l01366"></a>01366 <span class="keywordflow">goto</span> error;
<a name="l01367"></a>01367
<a name="l01368"></a>01368 <span class="keywordflow">if</span> (noncefile != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a> &&
<a name="l01369"></a>01369 (!<a class="code" href="group__DBusString.html#ga100c5ce0696822c5a4cfbdfaba674d96" title="Appends a nul-terminated C-style string to a DBusString.">_dbus_string_append</a> (&address, <span class="stringliteral">",noncefile="</span>) ||
<a name="l01370"></a>01370 !<a class="code" href="group__DBusString.html#ga100c5ce0696822c5a4cfbdfaba674d96" title="Appends a nul-terminated C-style string to a DBusString.">_dbus_string_append</a> (&address, noncefile)))
<a name="l01371"></a>01371 <span class="keywordflow">goto</span> error;
<a name="l01372"></a>01372
<a name="l01373"></a>01373 fd = _dbus_connect_tcp_socket_with_nonce (host, port, family, noncefile, error);
<a name="l01374"></a>01374 <span class="keywordflow">if</span> (fd < 0)
<a name="l01375"></a>01375 {
<a name="l01376"></a>01376 _DBUS_ASSERT_ERROR_IS_SET (error);
<a name="l01377"></a>01377 <a class="code" href="group__DBusString.html#ga781ca91acda49a834dce7d0ed0eef212" title="Frees a string created by _dbus_string_init().">_dbus_string_free</a> (&address);
<a name="l01378"></a>01378 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l01379"></a>01379 }
<a name="l01380"></a>01380
<a name="l01381"></a>01381 _dbus_verbose (<span class="stringliteral">"Successfully connected to tcp socket %s:%s\n"</span>,
<a name="l01382"></a>01382 host, port);
<a name="l01383"></a>01383
<a name="l01384"></a>01384 transport = <a class="code" href="group__DBusTransportSocket.html#gac714eaa33ff4ab5c01be1304b23339a7" title="Creates a new transport for the given socket file descriptor.">_dbus_transport_new_for_socket</a> (fd, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>, &address);
<a name="l01385"></a>01385 <a class="code" href="group__DBusString.html#ga781ca91acda49a834dce7d0ed0eef212" title="Frees a string created by _dbus_string_init().">_dbus_string_free</a> (&address);
<a name="l01386"></a>01386 <span class="keywordflow">if</span> (transport == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l01387"></a>01387 {
<a name="l01388"></a>01388 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gac32eaf0b92f798307853cd4fe0cf11c2" title="There was not enough memory to complete an operation.">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l01389"></a>01389 <a class="code" href="group__DBusSysdeps.html#ga701f9b3087c196404f66ff95b4ace0b8" title="Closes a socket.">_dbus_close_socket</a> (fd, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l01390"></a>01390 fd = -1;
<a name="l01391"></a>01391 }
<a name="l01392"></a>01392
<a name="l01393"></a>01393 <span class="keywordflow">return</span> transport;
<a name="l01394"></a>01394
<a name="l01395"></a>01395 error:
<a name="l01396"></a>01396 <a class="code" href="group__DBusString.html#ga781ca91acda49a834dce7d0ed0eef212" title="Frees a string created by _dbus_string_init().">_dbus_string_free</a> (&address);
<a name="l01397"></a>01397 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gac32eaf0b92f798307853cd4fe0cf11c2" title="There was not enough memory to complete an operation.">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l01398"></a>01398 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l01399"></a>01399 }
<a name="l01400"></a>01400
<a name="l01409"></a>01409 DBusTransportOpenResult
<a name="l01410"></a><a class="code" href="group__DBusTransportSocket.html#ga1bb28d9c6b0aa2b7efdf63f97116bb85">01410</a> <a class="code" href="group__DBusTransportSocket.html#ga1bb28d9c6b0aa2b7efdf63f97116bb85" title="Opens a TCP socket transport.">_dbus_transport_open_socket</a>(<a class="code" href="structDBusAddressEntry.html" title="Internals of DBusAddressEntry.">DBusAddressEntry</a> *entry,
<a name="l01411"></a>01411 <a class="code" href="structDBusTransport.html" title="Object representing a transport such as a socket.">DBusTransport</a> **transport_p,
<a name="l01412"></a>01412 <a class="code" href="structDBusError.html" title="Object representing an exception.">DBusError</a> *error)
<a name="l01413"></a>01413 {
<a name="l01414"></a>01414 <span class="keyword">const</span> <span class="keywordtype">char</span> *method;
<a name="l01415"></a>01415 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> isTcp;
<a name="l01416"></a>01416 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> isNonceTcp;
<a name="l01417"></a>01417
<a name="l01418"></a>01418 method = <a class="code" href="group__DBusAddress.html#ga7e6b2572d6e637826acada01377b5487" title="Returns the method string of an address entry.">dbus_address_entry_get_method</a> (entry);
<a name="l01419"></a>01419 _dbus_assert (method != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l01420"></a>01420
<a name="l01421"></a>01421 isTcp = strcmp (method, <span class="stringliteral">"tcp"</span>) == 0;
<a name="l01422"></a>01422 isNonceTcp = strcmp (method, <span class="stringliteral">"nonce-tcp"</span>) == 0;
<a name="l01423"></a>01423
<a name="l01424"></a>01424 <span class="keywordflow">if</span> (isTcp || isNonceTcp)
<a name="l01425"></a>01425 {
<a name="l01426"></a>01426 <span class="keyword">const</span> <span class="keywordtype">char</span> *host = <a class="code" href="group__DBusAddress.html#gae6f014689b49099e835b1f97d032034e" title="Returns a value from a key of an entry.">dbus_address_entry_get_value</a> (entry, <span class="stringliteral">"host"</span>);
<a name="l01427"></a>01427 <span class="keyword">const</span> <span class="keywordtype">char</span> *port = <a class="code" href="group__DBusAddress.html#gae6f014689b49099e835b1f97d032034e" title="Returns a value from a key of an entry.">dbus_address_entry_get_value</a> (entry, <span class="stringliteral">"port"</span>);
<a name="l01428"></a>01428 <span class="keyword">const</span> <span class="keywordtype">char</span> *family = <a class="code" href="group__DBusAddress.html#gae6f014689b49099e835b1f97d032034e" title="Returns a value from a key of an entry.">dbus_address_entry_get_value</a> (entry, <span class="stringliteral">"family"</span>);
<a name="l01429"></a>01429 <span class="keyword">const</span> <span class="keywordtype">char</span> *noncefile = <a class="code" href="group__DBusAddress.html#gae6f014689b49099e835b1f97d032034e" title="Returns a value from a key of an entry.">dbus_address_entry_get_value</a> (entry, <span class="stringliteral">"noncefile"</span>);
<a name="l01430"></a>01430
<a name="l01431"></a>01431 <span class="keywordflow">if</span> ((isNonceTcp == <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>) != (noncefile != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)) {
<a name="l01432"></a>01432 <a class="code" href="group__DBusAddressInternals.html#ga5b6409826263c7d62570c56889f7ddb2" title="Sets DBUS_ERROR_BAD_ADDRESS.">_dbus_set_bad_address</a> (error, method, <span class="stringliteral">"noncefile"</span>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l01433"></a>01433 <span class="keywordflow">return</span> DBUS_TRANSPORT_OPEN_BAD_ADDRESS;
<a name="l01434"></a>01434 }
<a name="l01435"></a>01435
<a name="l01436"></a>01436 <span class="keywordflow">if</span> (port == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l01437"></a>01437 {
<a name="l01438"></a>01438 <a class="code" href="group__DBusAddressInternals.html#ga5b6409826263c7d62570c56889f7ddb2" title="Sets DBUS_ERROR_BAD_ADDRESS.">_dbus_set_bad_address</a> (error, method, <span class="stringliteral">"port"</span>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l01439"></a>01439 <span class="keywordflow">return</span> DBUS_TRANSPORT_OPEN_BAD_ADDRESS;
<a name="l01440"></a>01440 }
<a name="l01441"></a>01441
<a name="l01442"></a>01442 *transport_p = <a class="code" href="group__DBusTransportSocket.html#ga166dbf1d38f06321025408167d214860" title="Creates a new transport for the given hostname and port.">_dbus_transport_new_for_tcp_socket</a> (host, port, family, noncefile, error);
<a name="l01443"></a>01443 <span class="keywordflow">if</span> (*transport_p == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l01444"></a>01444 {
<a name="l01445"></a>01445 _DBUS_ASSERT_ERROR_IS_SET (error);
<a name="l01446"></a>01446 <span class="keywordflow">return</span> DBUS_TRANSPORT_OPEN_DID_NOT_CONNECT;
<a name="l01447"></a>01447 }
<a name="l01448"></a>01448 <span class="keywordflow">else</span>
<a name="l01449"></a>01449 {
<a name="l01450"></a>01450 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l01451"></a>01451 <span class="keywordflow">return</span> DBUS_TRANSPORT_OPEN_OK;
<a name="l01452"></a>01452 }
<a name="l01453"></a>01453 }
<a name="l01454"></a>01454 <span class="keywordflow">else</span>
<a name="l01455"></a>01455 {
<a name="l01456"></a>01456 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l01457"></a>01457 <span class="keywordflow">return</span> DBUS_TRANSPORT_OPEN_NOT_HANDLED;
<a name="l01458"></a>01458 }
<a name="l01459"></a>01459 }
<a name="l01460"></a>01460
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