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      This is an automatically generated e-mail. To reply, visit:
      <a href="https://reviewboard.asterisk.org/r/2641/">https://reviewboard.asterisk.org/r/2641/</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 28th, 2013, 10:18 p.m. UTC, <b>David Lee</b> wrote:</p>
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    <a href="https://reviewboard.asterisk.org/r/2641/diff/3/?file=40511#file40511line154" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/res/stasis/control.c</a>
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     (Diff revision 3)

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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">154</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb">        </span><span class="n">SCOPED_CHANNELLOCK</span><span class="p">(</span><span class="n">lockvar</span><span class="p">,</span> <span class="n">control</span><span class="o">-&gt;</span><span class="n">channel</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">155</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb">        </span><span class="kt">int</span> <span class="n">ret</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">156</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">157</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb">        </span><span class="n">ret</span> <span class="o">=</span> <span class="n">pbx_builtin_setvar_helper</span><span class="p">(</span><span class="n">control</span><span class="o">-&gt;</span><span class="n">channel</span><span class="p">,</span> <span class="n">variable</span><span class="p">,</span> <span class="n">value</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;">The doc for setvar_helper says &quot;Will lock the channel.&quot; This lock isn&#39;t really needed.</pre>
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</blockquote>
<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;">This conflicts with Matt&#39;s previous comment, that said it needed to be locked.

Looking at the code for the function (again), it doesn&#39;t look like it needs to be locked.  Removed, unless anybody tells me otherwise.</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 28th, 2013, 10:18 p.m. UTC, <b>David Lee</b> wrote:</p>
 <blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: 10px;">
  



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    <a href="https://reviewboard.asterisk.org/r/2641/diff/3/?file=40513#file40513line63" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/res/stasis_http/resource_asterisk.c</a>
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     (Diff revision 3)

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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">63</font></th>
    <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">pbx_builtin_setvar_helper</span><span class="p">(</span><span class="nb">NULL</span><span class="p">,</span> <span class="n">args</span><span class="o">-&gt;</span><span class="n">variable</span><span class="p">,</span> <span class="n">args</span><span class="o">-&gt;</span><span class="n">value</span><span class="p">))</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">64</font></th>
    <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">stasis_http_response_error</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">65</font></th>
    <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">response</span><span class="p">,</span> <span class="mi">500</span><span class="p">,</span> <span class="s">&quot;Internal server error&quot;</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">66</font></th>
    <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="s">&quot;Failed to set variable&quot;</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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    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">67</font></th>
    <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="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">68</font></th>
    <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="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Ideally, you would return a 400 error code if the failure is the user&#39;s fault (trying to set a function that does not exist), or 500 if it&#39;s an internal error (a function unexpectedly failed).

setvar_helper really doesn&#39;t distinguish the two, so I would err on the side of the user making the mistake and always return a 400 error code here.</pre>
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</blockquote>
<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;">Functions aren&#39;t executed if there isn&#39;t a channel.  I&#39;m removing this error entirely (though, I&#39;m adding a 400 for a missing variable arg).</pre>
<br />




<p>- Jason</p>


<br />
<p>On June 27th, 2013, 4:19 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 June 27, 2013, 4:19 p.m.</i></p>







<div style="margin-top: 1.5em;">
 <b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>


 <a href="https://issues.asterisk.org/jira/browse/ASTERISK-21868">ASTERISK-21868</a>


</div>



<div style="margin-top: 1.5em;">
 <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;">Allows for reading channel variables (or functions), setting channel variables (or functions), getting global variables, setting global variables.</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;">All 4 things work.  Failures occur in the few places they would be expected (invalid function name, etc).</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">

 <li>/trunk/include/asterisk/stasis_app.h <span style="color: grey">(393055)</span></li>

 <li>/trunk/res/res_stasis_http_asterisk.c <span style="color: grey">(393055)</span></li>

 <li>/trunk/res/res_stasis_http_channels.c <span style="color: grey">(393055)</span></li>

 <li>/trunk/res/stasis/control.c <span style="color: grey">(393055)</span></li>

 <li>/trunk/res/stasis_http/resource_asterisk.h <span style="color: grey">(393055)</span></li>

 <li>/trunk/res/stasis_http/resource_asterisk.c <span style="color: grey">(393055)</span></li>

 <li>/trunk/res/stasis_http/resource_channels.h <span style="color: grey">(393055)</span></li>

 <li>/trunk/res/stasis_http/resource_channels.c <span style="color: grey">(393055)</span></li>

 <li>/trunk/res/stasis_json/resource_asterisk.h <span style="color: grey">(393055)</span></li>

 <li>/trunk/res/stasis_json/resource_channels.h <span style="color: grey">(393055)</span></li>

 <li>/trunk/rest-api/api-docs/asterisk.json <span style="color: grey">(393055)</span></li>

 <li>/trunk/rest-api/api-docs/channels.json <span style="color: grey">(393055)</span></li>

</ul>

<p><a href="https://reviewboard.asterisk.org/r/2641/diff/" style="margin-left: 3em;">View Diff</a></p>







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