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<a href="https://reviewboard.asterisk.org/r/2493/diff/2/?file=37418#file37418line156" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/include/asterisk/res_sip.h</a>
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(Diff revision 2)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct ast_sip_contact {</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_sip_contact_transport</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="tb"> </span><span class="n">SORCERY_OBJECT</span><span class="p">(</span><span class="n">details</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="tb"> </span><span class="n">AST_DECLARE_STRING_FIELDS</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="tb"> </span><span class="tb"> </span><span class="cm">/*! Full URI of the contact */</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="tb"> </span><span class="tb"> </span><span class="n">AST_STRING_FIELD</span><span class="p">(</span><span class="n">uri</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="tb"> </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="tb"> </span><span class="n">pjsip_transport</span> <span class="o">*</span><span class="n">transport</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="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;">This would be more efficient if NOT done in sorcery. This data isn't going to be persisted as it can't be, it stores a direct pointer to a data structure. Using this directly in an ao2 container also means you can make the container use an rwlock, instead of a mutex.</pre>
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<a href="https://reviewboard.asterisk.org/r/2493/diff/2/?file=37419#file37419line283" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip.c</a>
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(Diff revision 2)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int sip_dialog_create_from(pj_pool_t *pool, pj_str_t *from, const char *user, const pj_str_t *target, pjsip_tpselector *selector)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">pj_strchr</span><span class="p">(</span><span class="o">&</span><span class="n">sip_uri</span><span class="o">-></span><span class="n">host</span><span class="p">,</span> <span class="sc">':'</span><span class="p">)</span> <span class="o">&&</span> <span class="n">pj_strchr</span><span class="p">(</span><span class="o">&</span><span class="n">local_addr</span><span class="p">,</span> <span class="sc">':'</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="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">pj_strchr</span><span class="p">(</span><span class="o">&</span><span class="n">local_addr</span><span class="p">,</span> <span class="sc">':'</span><span class="p">)</span> <span class="o">&&</span> <span class="n">type</span> <span class="o"><</span> <span class="n">PJSIP_TRANSPORT_START_OTHER</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="tb"> </span><span class="tb"> </span><span class="n">type</span> <span class="o">=</span> <span class="p">(</span><span class="n">pjsip_transport_type_e</span><span class="p">)(((</span><span class="kt">int</span><span class="p">)</span><span class="n">type</span><span class="p">)</span> <span class="o">+</span> <span class="n">PJSIP_TRANSPORT_IPV6</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="tb"> </span><span class="tb"> </span><span class="n">type</span> <span class="o">=</span> <span class="p">(</span><span class="n">pjsip_transport_type_e</span><span class="p">)(((</span><span class="kt">int</span><span class="p">)</span><span class="n">type</span><span class="p">)</span> <span class="o">+</span> <span class="n">PJSIP_TRANSPORT_IPV6</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="tb"> </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="tb"> </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;">There was a reason for my madness here... hopefully this still works in whatever case it occurred.</pre>
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<a href="https://reviewboard.asterisk.org/r/2493/diff/2/?file=37424#file37424line73" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip_transport_websocket.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="kt">pj_status_t</span> <span class="nf">ws_do_shutdown</span><span class="p">(</span><span class="n">pjsip_transport</span> <span class="o">*</span><span class="n">transport</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="tb"> </span><span class="k">return</span> <span class="n">PJ_SUCCESS</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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<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;">I defer to you as you know this API, is it safe for nothing to be done here?</pre>
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<a href="https://reviewboard.asterisk.org/r/2493/diff/2/?file=37424#file37424line139" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip_transport_websocket.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_log</span><span class="p">(</span><span class="n">LOG_ERROR</span><span class="p">,</span> <span class="s">"Failed to allocate WebSocket transport.</span><span class="se">\n</span><span class="s">"</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;">Pool could leak here.</pre>
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<a href="https://reviewboard.asterisk.org/r/2493/diff/2/?file=37424#file37424line197" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip_transport_websocket.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="n">rdata</span> <span class="o">=</span> <span class="n">PJ_POOL_ZALLOC_T</span><span class="p">(</span><span class="n">newtransport</span><span class="o">-></span><span class="n">transport</span><span class="p">.</span><span class="n">pool</span><span class="p">,</span> <span class="n">pjsip_rx_data</span><span class="p">)))</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;">You need to allocate rdata *once* or else the memory pool will grow and grow and grow. Once pjsip_tpmgr_receive_packet returns it is safe to use it again.</pre>
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<a href="https://reviewboard.asterisk.org/r/2493/diff/2/?file=37424#file37424line207" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip_transport_websocket.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">pj_memcpy</span><span class="p">(</span><span class="n">rdata</span><span class="o">-></span><span class="n">pkt_info</span><span class="p">.</span><span class="n">packet</span><span class="p">,</span> <span class="n">read_data</span><span class="o">-></span><span class="n">payload</span><span class="p">,</span> <span class="n">read_data</span><span class="o">-></span><span class="n">payload_len</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;">This won't exceed the available space in rdata will it?</pre>
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<a href="https://reviewboard.asterisk.org/r/2493/diff/2/?file=37424#file37424line252" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip_transport_websocket.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">transport</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="k">struct</span> <span class="n">transport_create_data</span> <span class="n">create_data</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">create_data</span><span class="p">.</span><span class="n">ws_session</span> <span class="o">=</span> <span class="n">session</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">ast_sip_push_task_synchronous</span><span class="p">(</span><span class="n">serializer</span><span class="p">,</span> <span class="n">transport_create</span><span class="p">,</span> <span class="o">&</span><span class="n">create_data</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_log</span><span class="p">(</span><span class="n">LOG_ERROR</span><span class="p">,</span> <span class="s">"Could not create WebSocket transport.</span><span class="se">\n</span><span class="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; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">transport</span> <span class="o">=</span> <span class="n">create_data</span><span class="p">.</span><span class="n">transport</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;">Why do you create the transport now and not when the connection starts?</pre>
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<a href="https://reviewboard.asterisk.org/r/2493/diff/2/?file=37424#file37424line291" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip_transport_websocket.c</a>
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(Diff revision 2)
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="n">ct</span> <span class="o">=</span> <span class="n">ast_sip_location_retrieve_contact_transport_by_uri</span><span class="p">(</span><span class="n">contact_uri</span><span class="p">)))</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;">This now introduces more of a bottle neck on outgoing requests and I think using the URI isn't safe (since it's possible an implementation may use the same contact across multiple instances, even though it probably shouldn't).
Doesn't pjsip have a mechanism to do resolution to active transports based on the URI already? Is it possible to leverage that and add a parameter to the URI to make it unique?
Regardless to make this more lightweight you could examine the transport on the URI and see if it is for websocket, if not then don't even do a lookup.</pre>
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<a href="https://reviewboard.asterisk.org/r/2493/diff/2/?file=37424#file37424line319" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip_transport_websocket.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">type</span> <span class="o">!=</span> <span class="n">transport_type_ws</span> <span class="o">&&</span> <span class="n">type</span> <span class="o">!=</span> <span class="n">transport_type_wss</span><span class="p">)</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;">Make this more specific, or else a compiler might whine.</pre>
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<a href="https://reviewboard.asterisk.org/r/2493/diff/2/?file=37424#file37424line330" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip_transport_websocket.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">RAII_VAR</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_sip_contact_transport</span> <span class="o">*</span><span class="p">,</span> <span class="n">ct_copy</span><span class="p">,</span> <span class="n">ast_sorcery_copy</span><span class="p">(</span><span class="n">ast_sip_get_sorcery</span><span class="p">(),</span> <span class="n">ct</span><span class="p">),</span> <span class="n">ao2_cleanup</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;">Same here, may fail.</pre>
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<a href="https://reviewboard.asterisk.org/r/2493/diff/2/?file=37424#file37424line334" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip_transport_websocket.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ct</span> <span class="o">=</span> <span class="n">ast_sorcery_alloc</span><span class="p">(</span><span class="n">ast_sip_get_sorcery</span><span class="p">(),</span> <span class="s">"contact_transport"</span><span class="p">,</span> <span class="nb">NULL</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;">It's possible for this to return NULL.</pre>
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<p>- Joshua</p>
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<p>On May 8th, 2013, 4:13 p.m. UTC, Jason Parker wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Jason Parker.</div>
<p style="color: grey;"><i>Updated May 8, 2013, 4:13 p.m.</i></p>
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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/ASTERISK-20952">ASTERISK-20952</a>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
Asterisk
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<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;">Adds a custom WebSocket transport module.</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;">Registration works, incoming (from the browser) and outgoing (to the browser) calls work, audio flows (though, I don't have a mic, so I didn't test audio that direction).</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/team/group/pimp_my_sip/include/asterisk/res_sip.h <span style="color: grey">(387967)</span></li>
<li>/team/group/pimp_my_sip/res/res_sip.c <span style="color: grey">(387967)</span></li>
<li>/team/group/pimp_my_sip/res/res_sip.exports.in <span style="color: grey">(387967)</span></li>
<li>/team/group/pimp_my_sip/res/res_sip/config_transport.c <span style="color: grey">(387967)</span></li>
<li>/team/group/pimp_my_sip/res/res_sip/location.c <span style="color: grey">(387967)</span></li>
<li>/team/group/pimp_my_sip/res/res_sip_outbound_registration.c <span style="color: grey">(387967)</span></li>
<li>/team/group/pimp_my_sip/res/res_sip_transport_websocket.c <span style="color: grey">(PRE-CREATION)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2493/diff/" style="margin-left: 3em;">View Diff</a></p>
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