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<a href="https://reviewboard.asterisk.org/r/3184/diff/2/?file=53448#file53448line166" style="color: black; font-weight: bold; text-decoration: underline;">branches/12/main/sorcery.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; ">struct ast_sorcery_object_wizard {</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="cm">/*! \brief The name of the module owning this sorcery instance */</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="kt">char</span> <span class="o">*</span><span class="n">module_name</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;">If you create a zero sized array at the end you can allocate the memory you need with the main structure alloc.</pre>
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<a href="https://reviewboard.asterisk.org/r/3184/diff/2/?file=53448#file53448line184" style="color: black; font-weight: bold; text-decoration: underline;">branches/12/main/sorcery.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; ">struct sorcery_load_details {</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm">/*! \brief Registered sorcery wizards */</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">/*! \brief Registered sorcery wizards */</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">struct</span> <span class="n">ao2_container</span> <span class="o">*</span><span class="n">wizards</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">struct</span> <span class="n">ao2_container</span> <span class="o">*</span><span class="n">wizards</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">/*! \brief Registered sorcery instances */</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">struct</span> <span class="n">ao2_container</span> <span class="o">*</span><span class="n">instances</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;">These two should be static. Go ahead and fix wizards with this.</pre>
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<a href="https://reviewboard.asterisk.org/r/3184/diff/2/?file=53448#file53448line291" style="color: black; font-weight: bold; text-decoration: underline;">branches/12/main/sorcery.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 void sorcery_exit(void)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm">/*! \brief Comparator function for sorcery instances */</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">static</span> <span class="kt">int</span> <span class="nf">sorcery_instance_cmp</span><span class="p">(</span><span class="kt">void</span> <span class="o">*</span><span class="n">obj</span><span class="p">,</span> <span class="kt">void</span> <span class="o">*</span><span class="n">arg</span><span class="p">,</span> <span class="kt">int</span> <span class="n">flags</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">struct</span> <span class="n">ast_sorcery</span> <span class="o">*</span><span class="n">sorcery1</span> <span class="o">=</span> <span class="n">obj</span><span class="p">,</span> <span class="o">*</span><span class="n">sorcery2</span> <span class="o">=</span> <span class="n">arg</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="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">name</span> <span class="o">=</span> <span class="n">arg</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="k">return</span> <span class="o">!</span><span class="n">strcmp</span><span class="p">(</span><span class="n">sorcery1</span><span class="o">-></span><span class="n">module_name</span><span class="p">,</span> <span class="n">flags</span> <span class="o">&</span> <span class="n">OBJ_KEY</span> <span class="o">?</span> <span class="n">name</span> <span class="o">:</span> <span class="n">sorcery2</span><span class="o">-></span><span class="n">module_name</span><span class="p">)</span> <span class="o">?</span> <span class="n">CMP_MATCH</span> <span class="o">|</span> <span class="n">CMP_STOP</span> <span class="o">:</span> <span class="mi">0</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="cm">/*! \brief Hashing function for sorcery instances */</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">static</span> <span class="kt">int</span> <span class="nf">sorcery_instance_hash</span><span class="p">(</span><span class="k">const</span> <span class="kt">void</span> <span class="o">*</span><span class="n">obj</span><span class="p">,</span> <span class="k">const</span> <span class="kt">int</span> <span class="n">flags</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">const</span> <span class="k">struct</span> <span class="n">ast_sorcery</span> <span class="o">*</span><span class="n">sorcery</span> <span class="o">=</span> <span class="n">obj</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="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">name</span> <span class="o">=</span> <span class="n">obj</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="k">return</span> <span class="n">ast_str_hash</span><span class="p">(</span><span class="n">flags</span> <span class="o">&</span> <span class="n">OBJ_KEY</span> <span class="o">?</span> <span class="n">name</span> <span class="o">:</span> <span class="n">sorcery</span><span class="o">-></span><span class="n">module_name</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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<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;">All new ao2 comparison and hashing functions should use these templates:
https://wiki.asterisk.org/wiki/pages/viewpage.action?pageId=25919686</pre>
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<a href="https://reviewboard.asterisk.org/r/3184/diff/2/?file=53448#file53448line330" style="color: black; font-weight: bold; text-decoration: underline;">branches/12/main/sorcery.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_sorcery_init(void)</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">if</span> <span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="n">instances</span> <span class="o">=</span> <span class="n">ao2_container_alloc</span><span class="p">(</span><span class="n">INSTANCE_BUCKETS</span><span class="p">,</span> <span class="n">sorcery_instance_hash</span><span class="p">,</span> <span class="n">sorcery_instance_cmp</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="n">ast_log</span><span class="p">(</span><span class="n">LOG_ERROR</span><span class="p">,</span> <span class="s">"Unable to create sorcery instance registry.</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="n">sorcery_cleanup</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="n">sorcery_exit</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="k">return</span> <span class="o">-</span><span class="mi">1</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="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;">Go ahead and make this protected by a read/write lock. Sorcery instances are not something that really come and go, they are generally created once at startup.</pre>
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<a href="https://reviewboard.asterisk.org/r/3184/diff/2/?file=53448#file53448line389" style="color: black; font-weight: bold; text-decoration: underline;">branches/12/main/sorcery.c</a>
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(Diff revision 2)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void sorcery_destructor(void *obj)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm">/*! \brief Destructor called when sorcery structure is destroyed */</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">/*! \brief Destructor called when sorcery structure is destroyed */</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">static</span> <span class="kt">void</span> <span class="nf">sorcery_destructor</span><span class="p">(</span><span class="kt">void</span> <span class="o">*</span><span class="n">obj</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">static</span> <span class="kt">void</span> <span class="nf">sorcery_destructor</span><span class="p">(</span><span class="kt">void</span> <span class="o">*</span><span class="n">obj</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="tb"> </span><span class="k">struct</span> <span class="n">ast_sorcery</span> <span class="o">*</span><span class="n">sorcery</span> <span class="o">=</span> <span class="n">obj</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="k">struct</span> <span class="n">ast_sorcery</span> <span class="o">*</span><span class="n">sorcery</span> <span class="o">=</span> <span class="n">obj</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="n">ao2_find</span><span class="p">(</span><span class="n">instances</span><span class="p">,</span> <span class="n">sorcery</span><span class="p">,</span> <span class="n">OBJ_SEARCH_OBJECT</span> <span class="o">|</span> <span class="n">OBJ_UNLINK</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="n">ast_free</span><span class="p">(</span><span class="n">sorcery</span><span class="o">-></span><span class="n">module_name</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="n">ao2_cleanup</span><span class="p">(</span><span class="n">sorcery</span><span class="o">-></span><span class="n">types</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="n">ao2_cleanup</span><span class="p">(</span><span class="n">sorcery</span><span class="o">-></span><span class="n">types</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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<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 function will never get called now. The ao2 container has a reference to the sorcery instance itself. You could do something where in ast_sorcery_unref if it is the last reference it is unlinked from the instances container.</pre>
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<p>- Joshua Colp</p>
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<p>On February 5th, 2014, 8:48 p.m. UTC, George Joseph wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By George Joseph.</div>
<p style="color: grey;"><i>Updated Feb. 5, 2014, 8:48 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-22537">ASTERISK-22537</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;">Create sorcery instance registry as a precursor to creating a generic dialplan function that can retrieve parameters from a sorcery-based config file.
ast_sorcery_init now creates a hashtab as a registry.
ast_sorcery_open now checks the hashtab for an existing sorcery instance matching the caller's module name. If it finds one, it bumps the refcount and returns it. If not, it creates a new sorcery instance, adds it to the hashtab, then returns it.
ast_sorcery_retrieve_by_module_name is a new function that does a hashtab lookup by module name. It can be called by the future dialplan function.
A side effect of this patch is that a module can only have 1 sorcery instance (because it's the key for the hashtab). res_pjsip/config_system needed a small change to share the main res_pjsip sorcery instance.
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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;">Made sure that users of sorcery (mostly res_pjsip) continued to load their configs correctly.
Made sure there were no ill effects on res_pjsip from config_system sharing the same sorcery instance as the rest of the pjsip infrastructure.
Made sure that config_system was properly marked as 'not reloadable' and that it was maintaining it's original values when res_pjsip was reloaded.
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>branches/12/res/res_pjsip/include/res_pjsip_private.h <span style="color: grey">(407454)</span></li>
<li>branches/12/res/res_pjsip/config_system.c <span style="color: grey">(407454)</span></li>
<li>branches/12/res/res_pjsip.c <span style="color: grey">(407454)</span></li>
<li>branches/12/main/sorcery.c <span style="color: grey">(407454)</span></li>
<li>branches/12/include/asterisk/sorcery.h <span style="color: grey">(407454)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/3184/diff/" style="margin-left: 3em;">View Diff</a></p>
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