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<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Dear all,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Attached is my session.conf file.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Tiegang<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></a></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left"><b><span style="font-size:10.0pt;font-family:宋体">发件人<span lang="EN-US">:</span></span></b><span lang="EN-US" style="font-size:10.0pt;font-family:宋体">
</span><span style="font-size:10.0pt;font-family:宋体">刘铁罡<span lang="EN-US"> <br>
</span><b>发送时间<span lang="EN-US">:</span></b><span lang="EN-US"> 2017</span>年<span lang="EN-US">2</span>月<span lang="EN-US">27</span>日<span lang="EN-US"> 15:02<br>
</span><b>收件人<span lang="EN-US">:</span></b><span lang="EN-US"> 'dbus@lists.freedesktop.org'<br>
</span><b>主题<span lang="EN-US">:</span></b><span lang="EN-US"> The dbus_message_has_interface method return false, my service can't start, please help!<o:p></o:p></span></span></p>
</div>
</div>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Dear all,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I am investigating on DBUS porting on QNX. DBus-daemon can be run now.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">And then I download the dbus-example.c on
<a href="http://www.matthew.ath.cx/misc/dbus">http://www.matthew.ath.cx/misc/dbus</a>. Compile and run dbus_example_g.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">My running steps are:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">#DBUS_VERSION=1 dbus-daemon --print-address --config-file=/home/test/dbus/share/dbus-1/session.conf --nofork &<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">#export DBUS_SESSION_BUS_ADDRESS=unix:path=/home/test/dbus/temp/dbus-WmaQFMvqxD,guid=7a9055f9b14393e3276108b958b3b792<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">#./dbus_example_g receive<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">In daemon process, I got the null connection, I debug into the source code, find the following clue, please see the
<span style="color:red">red lines.</span><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">dbus_message_has_interface (DBusMessage *message,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">const</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">char</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> *iface)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">{</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">const</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">char</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> *msg_interface;</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:red">msg_interface = dbus_message_get_interface (message); // msg_interface is
<i>Org.freedesktop.dbus.local, but iface is org.freedesktop.dbus.peer</i></span></b><b><i><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></i></b></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> </span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">if</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
(msg_interface == NULL)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> {</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">if</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> (iface == NULL)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> {</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">return</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> TRUE;</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> }</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">else</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> {</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">return</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> FALSE;</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> }</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> }</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">if</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> (iface == NULL)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> {</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">return</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> FALSE;</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> }</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:red"> if (strcmp (<u>msg_interface</u>, iface) == 0) //org.freedesktop.dbus.local!=org.freedesktop.dbus.peer<o:p></o:p></span></b></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">return</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> TRUE;</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:red">return FALSE;
</span></b><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></b></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">}</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">So<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">static</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
DBusHandlerResult</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">_dbus_connection_peer_filter_unlocked_no_update (DBusConnection *connection,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> DBusMessage *message)</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">{</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""> ……<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">if</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> (!dbus_message_has_interface (message, DBUS_INTERFACE_PEER))</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> {</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:red">return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; //quit, so the following
</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#2A00FF">Ping</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:red"> and
</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#2A00FF">GetMachineId
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:red">can’t be run!<o:p></o:p></span></b></p>
<p class="MsoNormal" align="left" style="text-align:left;text-indent:19.2pt;text-autospace:none">
<span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">}<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> ……</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">if</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> (dbus_message_is_method_call (message,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> DBUS_INTERFACE_PEER,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> </span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#2A00FF">"Ping"</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">))</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-indent:19.2pt;text-autospace:none">
<span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">{<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-indent:19.2pt;text-autospace:none">
<span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">……</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> }</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">else</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#7F0055">if</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> (dbus_message_is_method_call (message,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"> DBUS_INTERFACE_PEER,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#2A00FF">"GetMachineId"</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">))</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-indent:19.2pt;text-autospace:none">
<span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">{<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-indent:19.2pt;text-autospace:none">
<span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">……</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">}<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">Any help will be appreciated.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">Thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">Tiegang<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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