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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/2118/">https://reviewboard.asterisk.org/r/2118/</a>
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<a href="https://reviewboard.asterisk.org/r/2118/diff/1/?file=31281#file31281line23088" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/channels/chan_sip.c</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int handle_request_invite(struct sip_pvt *p, struct sip_request *req, int debug, uint32_t seqno, struct ast_sockaddr *addr, int *recount, const char *e, int *nounlock)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">p</span><span class="o">-></span><span class="n">stimer</span><span class="o">-></span><span class="n">st_ref</span> <span class="o">=</span> <span class="n">st_ref</span><span class="p">;</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">p</span><span class="o">-></span><span class="n">stimer</span><span class="o">-></span><span class="n">st_ref</span> <span class="o">=</span> <span class="n"><span class="hl">tmp_</span>st_ref</span><span class="p">;</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">start_session_timer</span><span class="p">(</span><span class="n">p</span><span class="p">);</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">start_session_timer</span><span class="p">(</span><span class="n">p</span><span class="p">);</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">stimer</span><span class="o">-></span><span class="n">st_active</span> <span class="o">==</span> <span class="n">TRUE</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">stimer</span><span class="o">-></span><span class="n">st_active</span> <span class="o">==</span> <span class="n">TRUE</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="cm">/* Session-Timers: A re-invite request sent within a dialog will serve as</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="cm">/* Session-Timers: A re-invite request sent within a dialog will serve as</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> a refresh request, no matter whether the re-invite was sent for refreshing</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> a refresh request, no matter whether the re-invite was sent for refreshing</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> the session or modifying it.*/</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> the session or modifying it.*/</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">ast_debug</span> <span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="s">"Restarting session-timers on a refresh - %s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">p</span><span class="o">-></span><span class="n">callid</span><span class="p">);</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">ast_debug</span> <span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="s">"Restarting session-timers on a refresh - %s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">p</span><span class="o">-></span><span class="n">callid</span><span class="p">);</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="cm">/* The UAC may be adjusting the session-timers mid-session */</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="cm">/* The UAC may be adjusting the session-timers mid-session */</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">st_interval</span> <span class="o">></span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">st_interval</span> <span class="o">></span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">p</span><span class="o">-></span><span class="n">stimer</span><span class="o">-></span><span class="n">st_interval</span> <span class="o">=</span> <span class="n">st_interval</span><span class="p">;</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">p</span><span class="o">-></span><span class="n">stimer</span><span class="o">-></span><span class="n">st_interval</span> <span class="o">=</span> <span class="n">st_interval</span><span class="p">;</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">p</span><span class="o">-></span><span class="n">stimer</span><span class="o">-></span><span class="n">st_ref</span> <span class="o">=</span> <span class="n">st_ref</span><span class="p">;</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">p</span><span class="o">-></span><span class="n">stimer</span><span class="o">-></span><span class="n">st_ref</span> <span class="o">=</span> <span class="n"><span class="hl">tmp_</span>st_ref</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Feel free to fix the goofy spacing on these assignments :)</pre>
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<a href="https://reviewboard.asterisk.org/r/2118/diff/1/?file=31282#file31282line528" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/channels/sip/include/sip.h</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">enum st_mode {</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">SESSION_TIMER_REFRESHER_<span class="hl">UAS</span></span><span class="hl"> </span> <span class="cm">/*!< <span class="hl">S</span>ession <span class="hl">is </span>refres<span class="hl">hed</span> by the <span class="hl">UAS</span> */</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">SESSION_TIMER_REFRESHER_<span class="hl">THEM</span></span><span class="p"><span class="hl">,</span></span> <span class="cm">/*!< <span class="hl">Initially prefer s</span>ession refres<span class="hl">y</span> by the <span class="hl">other side</span> */</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">s/refresy/refresh/</pre>
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<a href="https://reviewboard.asterisk.org/r/2118/diff/1/?file=31283#file31283line547" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/configs/sip.conf.sample</a>
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(Diff revision 1)
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; * session-refresher - The session refresher (uac|uas). Defaults to 'ua<span class="hl">s</span>'.</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; * session-refresher - The session refresher (uac|uas). Defaults to 'ua<span class="hl">c</span>'.</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; uac - Default to the caller initially refreshing when possible</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; uas - Default to the callee initially refreshing when possible</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">;<span class="ew"> </span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; Note that when Asterisk is the caller, it will always honor the callee's preference for who</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; will initially handle refreshes. Asterisk will never override the preferences of the other</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; endpoint. Doing so could result in Asterisk and the endpoint fighting over who sends the</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; refreshes.</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Two things:
1) Red blob on line 550
2) Why did you change the default from uas to uac?</pre>
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<p>- Mark</p>
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<p>On September 18th, 2012, 6:12 p.m., Terry Wilson wrote:</p>
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<div>Review request for Asterisk Developers and Thomas Arimont.</div>
<div>By Terry Wilson.</div>
<p style="color: grey;"><i>Updated Sept. 18, 2012, 6:12 p.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">From the issue:
The SIP session timer mechanism contains a mandatory 'refresher' parameter (included in the Session-Expires header) which is used in the session timer offer/answer signaling within a SIP Invite dialog. It looks like asterisk is interpreting the uac resp. uas role only as the initial role of client and server (caller is uac, callee is uas). The standard rfc 4028 however assigns the client role to the ((RE)-Invite) requester, the server role to the ((RE)-Invite) responder.
This patch has Asterisk track the actual refresher as "us" or "them" as opposed to relying on just the configured "uas" or "uac" properties.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Calls with clients supporting and not supporting session timers with Asterisk having session-refresher=uas or uac.</pre>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="https://issues.asterisk.org/jira/browse/AST-922">AST-922</a>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/branches/1.8/channels/chan_sip.c <span style="color: grey">(373118)</span></li>
<li>/branches/1.8/channels/sip/include/sip.h <span style="color: grey">(373118)</span></li>
<li>/branches/1.8/configs/sip.conf.sample <span style="color: grey">(373118)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2118/diff/" style="margin-left: 3em;">View Diff</a></p>
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