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      This is an automatically generated e-mail. To reply, visit:
      <a href="https://reviewboard.asterisk.org/r/3672/">https://reviewboard.asterisk.org/r/3672/</a>
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    <a href="https://reviewboard.asterisk.org/r/3672/diff/1/?file=60736#file60736line1461" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/bridge_channel.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 void bridge_channel_feature(struct ast_bridge_channel *bridge_channel, const char *starting_dtmf)</pre></td>

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    <th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">1449</font></th>
    <td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb">   </span><span class="tb">  </span><span class="k">if</span> <span class="p">(</span><span class="n">features</span><span class="o">-></span><span class="n">dtmf_passthrough</span><span class="p">)</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">1461</font></th>
    <td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb">   </span><span class="tb">  </span><span class="n">ast_channel_lock</span><span class="p">(</span><span class="n">bridge_channel</span><span class="o">-></span><span class="n">chan</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">1450</font></th>
    <td bgcolor="#fdfebc" 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="cm">/* Stream any collected DTMF to the other channels. */</span></pre></td>
    <th bgcolor="#e9eaa8" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">1462</font></th>
    <td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb">   </span><span class="tb">  </span><span class="k">if</span> <span class="p">(</span><span class="n">res</span> <span class="o">></span> <span class="mi">0</span> <span class="o">&&</span> <span class="p">(</span><span class="n">reinterpret_feature</span> <span class="o">=</span> <span class="n">pbx_builtin_getvar_helper</span><span class="p">(</span><span class="n">bridge_channel</span><span class="o">-></span><span class="n">chan</span><span class="p">,</span> <span class="s">"REINTERPRET_FEATURE"</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;">There is no need to lock the channel if res == 0.

Also assignment inside the if test should be avoided if possible.  Pulling the res test outside of the channel lock area allows avoiding the assignment in the if test.

if !res
  break
lock(chan)
reinterpret = getvar("REINTERPRET")
if !strlen_zero(reinterpret)
   ast_debug("requested reinterpret to")
   hook = ao2_find()
   if !hook
      ast_debug()
unlock(chan)</pre>
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<p>- rmudgett</p>


<br />
<p>On June 25th, 2014, 2:14 p.m. CDT, opticron wrote:</p>








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<div>Review request for Asterisk Developers.</div>
<div>By opticron.</div>


<p style="color: grey;"><i>Updated June 25, 2014, 2:14 p.m.</i></p>









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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;">This change allows DTMF hooks to request that an alternative DTMF hook be executed. This behavior is triggered by a new return value for DTMF hooks while the hook to be executed is specified in the REINTERPRET_FEATURE channel variable.</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;">Manual testing as well as the attached unittest. Note that the DTMF and interval tests have already been reviewed as part of https://reviewboard.asterisk.org/r/3649/ and that only the reinterpret DTMF test is new along with helper function reinterpret_callback().</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/tests/test_channel_feature_hooks.c <span style="color: grey">(PRE-CREATION)</span></li>

 <li>trunk/main/bridge_channel.c <span style="color: grey">(416731)</span></li>

 <li>trunk/include/asterisk/bridge_features.h <span style="color: grey">(416731)</span></li>

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<p><a href="https://reviewboard.asterisk.org/r/3672/diff/" style="margin-left: 3em;">View Diff</a></p>







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