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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/1993/">https://reviewboard.asterisk.org/r/1993/</a>
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<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: 10px;">
<p style="margin-top: 0;">On June 22nd, 2012, 5:08 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1993/diff/1/?file=28966#file28966line11098" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/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 transmit_response_with_sip_etag(struct sip_pvt *p, const char *msg, const struct sip_request *req, struct sip_esc_entry *esc_entry, int need_new_etag)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">11079</font></th>
<td bgcolor="#c5ffc4" 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">expiry</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">add_expires</span><span class="p">(</span><span class="o">&</span><span class="n">resp</span><span class="p">,</span> <span class="n">p</span><span class="o">-></span><span class="n">expiry</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">11081</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Would I be correct in saying this is a bug fix rather than a piece of code cleanup? If so, this should probably be committed to other branches of Asterisk besides just trunk.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">The code was modified because Cisco phones require an Expires header to be present.
Looking at RFC3903 section 6.6 says "The response MUST contain an Expires header field indicating the expiration interval chosen by the ESC". So I would say that is a bug.</pre>
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<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: 10px;">
<p style="margin-top: 0;">On June 22nd, 2012, 5:08 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1993/diff/1/?file=28966#file28966line12944" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/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 transmit_invite(struct sip_pvt *p, int sipmethod, int sdp, int init, const char * const explicit_uri)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">sipmethod</span> <span class="o">==</span> <span class="n">SIP_REFER</span><span class="p">)</span> <span class="p">{</span> <span class="cm">/* Call transfer */</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">sipmethod</span> <span class="o">==</span> <span class="n">SIP_REFER</span><span class="hl"> </span><span class="o"><span class="hl">&&</span></span><span class="hl"> </span><span class="n"><span class="hl">p</span></span><span class="o"><span class="hl">-></span></span><span class="n"><span class="hl">refer</span></span><span class="p">)</span> <span class="p">{</span> <span class="cm">/* Call transfer */</span></pre></td>
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<th bgcolor="#ebb1ba" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">12903</font></th>
<td bgcolor="#ffc5ce" 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">refer</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#ffc5ce" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">12904</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">char</span> <span class="n">buf</span><span class="p">[</span><span class="n">SIPBUFSIZE</span><span class="p">];</span></pre></td>
<th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12926</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">char</span> <span class="n">buf</span><span class="p">[</span><span class="n">SIPBUFSIZE</span><span class="p">];</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12927</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12928</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">ast_strlen_zero</span><span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">require</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12929</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">add_header</span><span class="p">(</span><span class="o">&</span><span class="n">req</span><span class="p">,</span> <span class="s">"Require"</span><span class="p">,</span> <span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">require</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12930</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">12905</font></th>
<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="o">!</span><span class="n">ast_strlen_zero</span><span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">refer_to</span><span class="p">))</span> <span class="p">{</span></pre></td>
<th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12931</font></th>
<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="o">!</span><span class="n">ast_strlen_zero</span><span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">refer_to</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">12906</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">add_header</span><span class="p">(</span><span class="o">&</span><span class="n">req</span><span class="p">,</span> <span class="s">"Refer-To"</span><span class="p">,</span> <span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">refer_to</span><span class="p">);</span></pre></td>
<th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12932</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">add_header</span><span class="p">(</span><span class="o">&</span><span class="n">req</span><span class="p">,</span> <span class="s">"Refer-To"</span><span class="p">,</span> <span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">refer_to</span><span class="p">);</span></pre></td>
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<th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">12907</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
<th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12933</font></th>
<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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<th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">12908</font></th>
<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="o">!</span><span class="n">ast_strlen_zero</span><span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">referred_by</span><span class="p">))</span> <span class="p">{</span></pre></td>
<th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12934</font></th>
<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="o">!</span><span class="n">ast_strlen_zero</span><span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">referred_by</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">12909</font></th>
<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">snprintf</span><span class="p">(</span><span class="n">buf</span><span class="p">,</span> <span class="k">sizeof</span><span class="p">(</span><span class="n">buf</span><span class="p">),</span> <span class="s">"%s <%s>"</span><span class="p">,</span> <span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">referred_by_name</span><span class="p">,</span> <span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">referred_by</span><span class="p">);</span></pre></td>
<th bgcolor="#e9eaa8" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12935</font></th>
<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">snprintf</span><span class="p">(</span><span class="n">buf</span><span class="p">,</span> <span class="k">sizeof</span><span class="p">(</span><span class="n">buf</span><span class="p">),</span> <span class="s">"%s%s%s"</span><span class="p">,</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12936</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">referred_by_name</span><span class="p">,</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12937</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="o">!</span><span class="n">ast_strlen_zero</span><span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">referred_by_name</span><span class="p">)</span> <span class="o">?</span> <span class="s">" "</span> <span class="o">:</span> <span class="s">""</span><span class="p">,</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12938</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">referred_by</span><span class="p">);</span></pre></td>
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<th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">12910</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">add_header</span><span class="p">(</span><span class="o">&</span><span class="n">req</span><span class="p">,</span> <span class="s">"Referred-By"</span><span class="p">,</span> <span class="n">buf</span><span class="p">);</span></pre></td>
<th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12939</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">add_header</span><span class="p">(</span><span class="o">&</span><span class="n">req</span><span class="p">,</span> <span class="s">"Referred-By"</span><span class="p">,</span> <span class="n">buf</span><span class="p">);</span></pre></td>
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<th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">12911</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
<th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12940</font></th>
<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="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">12941</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">ast_strlen_zero</span><span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">content_id</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">add_header</span><span class="p">(</span><span class="o">&</span><span class="n">req</span><span class="p">,</span> <span class="s">"Content-Id"</span><span class="p">,</span> <span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">content_id</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">ast_strlen_zero</span><span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">content_type</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">add_header</span><span class="p">(</span><span class="o">&</span><span class="n">req</span><span class="p">,</span> <span class="s">"Content-Type"</span><span class="p">,</span> <span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">content_type</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">ast_str_strlen</span><span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">content</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">add_content</span><span class="p">(</span><span class="o">&</span><span class="n">req</span><span class="p">,</span> <span class="n">ast_str_buffer</span><span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">refer</span><span class="o">-></span><span class="n">content</span><span class="p">));</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This whole section doesn't seem like code cleanup so much as it does adding new features to transmission of REFERs. What is the goal of all of this?</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">The Cisco phones use out-of-dialog REFERs to update the DoNotDisturb and CallForward state on the phone, the code in the parent patch that uses it is located in update_donotdisturb and update_callforward.
Half of the struct sip_refer members are original and half of them are new and are used for the features mentioned above. The line between clean up/new feature is a bit fuzzy here. </pre>
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<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: 10px;">
<p style="margin-top: 0;">On June 22nd, 2012, 5:08 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1993/diff/1/?file=28966#file28966line13066" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_sip.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int transmit_invite(struct sip_pvt *p, int sipmethod, int sdp, int init, const char * const explicit_uri)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">notify</span><span class="p">)</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="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n"><span class="hl">sipmethod</span></span><span class="hl"> </span><span class="o"><span class="hl">==</span></span><span class="hl"> </span><span class="n"><span class="hl">SIP_NOTIFY</span></span><span class="hl"> </span><span class="o"><span class="hl">&&</span></span><span class="hl"> </span><span class="n">p</span><span class="o">-></span><span class="n">notify</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Is this also a bug fix?</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">It was changed to match the 'if (sipmethod == SIP_REFER && p->refer)' test earlier in the function. Not a bug. </pre>
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<p style="margin-top: 0;">On June 22nd, 2012, 5:08 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1993/diff/1/?file=28966#file28966line26433" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_sip.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int handle_request_subscribe(struct sip_pvt *p, struct sip_request *req, struct ast_sockaddr *addr, uint32_t seqno, const char *e)</pre></td>
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<td bgcolor="#c5ffc4" 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">expiry</span> <span class="o">></span> <span class="mi">0</span> <span class="o">&&</span> <span class="o">!</span><span class="n">resubscribe</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="cm">/* Add subscription for extension state from the PBX core */</span></pre></td>
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<td bgcolor="#c5ffc4" 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">stateid</span> <span class="o">!=</span> <span class="o">-</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">ast_extension_state_del</span><span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">stateid</span><span class="p">,</span> <span class="n">cb_extensionstate</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">dialog_ref</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="s">"copying dialog ptr into extension state struct"</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">p</span><span class="o">-></span><span class="n">stateid</span> <span class="o">=</span> <span class="n">ast_extension_state_add_destroy</span><span class="p">(</span><span class="n">p</span><span class="o">-></span><span class="n">context</span><span class="p">,</span> <span class="n">p</span><span class="o">-></span><span class="n">exten</span><span class="p">,</span> <span class="n">cb_extensionstate</span><span class="p">,</span> <span class="n">cb_extensionstate_destroy</span><span class="p">,</span> <span class="n">p</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" 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">stateid</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">dialog_unref</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="s">"copying dialog ptr into extension state struct failed"</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This also has the look of a potential bug fix. What is this block doing differently?</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Apart from moving the block to avoid duplicate checking of the subscribed event package, the only other change here would be the test for 'p->expiry > 0'. This avoids creating an extension state watcher that is then schedulded for immedidate destruction further down in the code.
The Cisco phones send SUBSCRIBEs with Expires: 0 as part of their Presence for Call Lists feature.</pre>
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<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: 10px;">
<p style="margin-top: 0;">On June 22nd, 2012, 5:08 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1993/diff/1/?file=28967#file28967line940" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/sip/include/sip.h</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct t38properties {</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">struct</span> <span class="n">ast_str</span> <span class="o">*</span><span class="n">content</span><span class="p">;</span> <span class="cm">/*!< Outgoing content body */</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This appears to be an unrelated addition.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">It is used by the Cisco phones when sending out of dialog REFERs.</pre>
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<p>- gareth</p>
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<p>On June 19th, 2012, 10:08 p.m., gareth wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By gareth.</div>
<p style="color: grey;"><i>Updated June 19, 2012, 10:08 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;">This is the first part split out from the much larger patch at https://reviewboard.asterisk.org/r/1976/ - it contains just the various chan_sip code cleanups.
- struct sip_refer converted to use the stringfields API.
- sip_{refer|notify}_allocate -> sip_{notify|refer}_alloc to match other *alloc functions.
- Replace get_msg_text, get_msg_text2 and get_pidf_body -> No, not get_pidf_msg_text_body3 but get_content, to match add_content.
- get_body doesn't get the request body, renamed to get_content_line.
- get_body_by_line doesn't get the body line, and is just a simple if test. Moved code inline and removed function.
- Remove camelCase in struct sip_peer peer state variables, onHold -> onhold, inUse -> inuse, inRinging -> ringing.
- Remove camelCase in struct sip_request rlPart1 -> rlpart1, rlPart2 -> rlpart2.
- Rename instances of pvt->randdata to pvt->nonce because that is what it is, no need to update struct sip_pvt because _it already has a nonce field_.
- Removed struct sip_pvt randdata stringfield.
- Remove useless (and inconsistent) 'header' suffix on variables in handle_request_subscribe.
- Use ast_strdupa on Event header in handle_request_subscribe to avoid overly complicated strncmp calls to find the event package.
- Move get_destination check in handle_request_subscribe to avoid duplicate checking for packages that don't need it.
- Move extension state callback management in handle_request_subscribe to avoid duplicate checking for packages that don't need it.
- Remove duplicate append_date prototype.
- Rename append_date -> add_date to match other add_xxx functions.
- Added add_expires helper function, removed code that manually added expires header.
- Remove _header suffix on add_diversion_header (no other header adding functions have this).
- Don't pass req->debug to request handle_request_XXXXX handlers if req is also being passed.
- Don't pass req->ignore to check_auth as req is already being passed.
- Don't create a subscription in handle_request_subscribe if p->expiry == 0.
- Don't walk of the back of referred_by_name when splitting string in get_refer_info
- Remove duplicate check for no dialog in handle_incoming when sipmethod == SIP_REFER, handle_request_refer checks for that.
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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;">It compiles.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/trunk/channels/chan_sip.c <span style="color: grey">(369065)</span></li>
<li>/trunk/channels/sip/include/sip.h <span style="color: grey">(369065)</span></li>
<li>/trunk/channels/sip/security_events.c <span style="color: grey">(369065)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/1993/diff/" style="margin-left: 3em;">View Diff</a></p>
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