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<a href="https://reviewboard.asterisk.org/r/3649/diff/1/?file=59854#file59854line645" style="color: black; font-weight: bold; text-decoration: underline;">trunk/include/asterisk/bridge_channel.h</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; ">int ast_bridge_channel_write_park(struct ast_bridge_channel *bridge_channel, const char *parkee_uuid,</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm">/*!</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 Gets the channel-attached features a channel has access to upon being bridged.</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"> *</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"> * \param chan Which channel to get features for</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"> *</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"> * \retval The features currently set for this channel</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"> * \retval NULL if the datastore does not exist</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"> */</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">ast_bridge_features</span> <span class="o">*</span><span class="nf">ast_bridge_channel_features_ds_get</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_channel</span> <span class="o">*</span><span class="n">chan</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">/*!</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 Appends to the channel-attached features a channel has access to upon being bridged.</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"> *</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"> * \param chan Which channel to set features for</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"> * \param features The feature set to append to the channel's features</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"> *</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"> * \retval 0 on success</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"> * \retval -1 on failure</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"> */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="kt">int</span> <span class="nf">ast_bridge_channel_features_ds_append</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_channel</span> <span class="o">*</span><span class="n">chan</span><span class="p">,</span> <span class="k">struct</span> <span class="n">ast_bridge_features</span> <span class="o">*</span><span class="n">features</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">/*!</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 Sets the channel-attached features a channel has access to upon being bridged.</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"> *</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"> * \param chan Which channel to set features for</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"> * \param features The feature set with which to replace the channel's features</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"> *</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"> * \retval 0 on success</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"> * \retval -1 on failure</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"> */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="kt">int</span> <span class="nf">ast_bridge_channel_features_ds_replace</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_channel</span> <span class="o">*</span><span class="n">chan</span><span class="p">,</span> <span class="k">struct</span> <span class="n">ast_bridge_features</span> <span class="o">*</span><span class="n">features</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;">Document that for all three of these functions, chan should be locked before calling.</pre>
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<a href="https://reviewboard.asterisk.org/r/3649/diff/1/?file=59854#file59854line645" style="color: black; font-weight: bold; text-decoration: underline;">trunk/include/asterisk/bridge_channel.h</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; ">int ast_bridge_channel_write_park(struct ast_bridge_channel *bridge_channel, const char *parkee_uuid,</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm">/*!</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 Gets the channel-attached features a channel has access to upon being bridged.</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"> *</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"> * \param chan Which channel to get features for</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"> *</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"> * \retval The features currently set for this channel</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"> * \retval NULL if the datastore does not exist</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"> */</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">ast_bridge_features</span> <span class="o">*</span><span class="nf">ast_bridge_channel_features_ds_get</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_channel</span> <span class="o">*</span><span class="n">chan</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;">Add documentation that chan must be locked when calling this.</pre>
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<a href="https://reviewboard.asterisk.org/r/3649/diff/1/?file=59855#file59855line733" style="color: black; font-weight: bold; text-decoration: underline;">trunk/include/asterisk/bridge_features.h</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_bridge_features_set_limits(struct ast_bridge_features *features, struct ast_bridge_features_limits *limits, enum ast_bridge_hook_remove_flags remove_flags);</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="kt">int</span> <span class="nf">ast_bridge_features_merge</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_bridge_features</span> <span class="o">*</span><span class="n">into</span><span class="p">,</span> <span class="k">struct</span> <span class="n">ast_bridge_features</span> <span class="o">*</span><span class="n">from</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 can, make from const.</pre>
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<a href="https://reviewboard.asterisk.org/r/3649/diff/1/?file=59856#file59856line3348" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/bridge.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">while</span> <span class="p">((</span><span class="n">hook</span> <span class="o">=</span> <span class="n">ast_heap_peek</span><span class="p">(</span><span class="n">from</span><span class="o">-></span><span class="n">interval_hooks</span><span class="p">,</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="tb"> </span><span class="tb"> </span><span class="n">res</span> <span class="o">|=</span> <span class="n">ast_heap_push</span><span class="p">(</span><span class="n">into</span><span class="o">-></span><span class="n">interval_hooks</span><span class="p">,</span> <span class="n">hook</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_heap_unlock</span><span class="p">(</span><span class="n">into</span><span class="o">-></span><span class="n">interval_hooks</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;">You might want to give this a test run with something that uses interval hooks. I believe that if from has any interval hooks, this will result in an infinite loop. You either need to:
1) remove the hook from from->interval_hooks instead of just peeking at it, or
2) Increase the index that you peek at on each iteration.
Since it seems like the idea is not to actually mess with from any, option 2 seems like the way to go.</pre>
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<a href="https://reviewboard.asterisk.org/r/3649/diff/1/?file=59857#file59857line2466" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/bridge_channel.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="k">const</span> <span class="k">struct</span> <span class="n">ast_datastore_info</span> <span class="n">dtmf_features_info</span> <span class="o">=</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 a minor thing, but since this stores general bridge features and not just DTMF hooks, I think the name of this should be changed.</pre>
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<a href="https://reviewboard.asterisk.org/r/3649/diff/1/?file=59857#file59857line2468" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/bridge_channel.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="p">.</span><span class="n">destroy</span> <span class="o">=</span> <span class="p">(</span><span class="kt">void</span> <span class="p">(</span><span class="o">*</span><span class="p">)(</span><span class="kt">void</span> <span class="o">*</span><span class="p">))</span><span class="n">ast_bridge_features_destroy</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;">Is this cast required? Either way, it's one of the weirder-looking things I've come across :)</pre>
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<p>- Mark Michelson</p>
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<p>On June 19th, 2014, 3:36 p.m. UTC, opticron wrote:</p>
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<div>Review request for Asterisk Developers and rmudgett.</div>
<div>By opticron.</div>
<p style="color: grey;"><i>Updated June 19, 2014, 3:36 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/AFS-78">AFS-78</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;">This patch allows the current owner of a channel to define various feature hooks to be made available once the channel has entered a bridge.
Currently, it is only possible to attach these hooks by calling ast_bridge_join or as_bridge_impart directly.</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;">Ensured that DTMF hooks could be attached to the channel via this mechanism and that they became available and were executable once the channel entered a bridge via Dial().</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/main/bridge_channel.c <span style="color: grey">(416438)</span></li>
<li>trunk/main/bridge.c <span style="color: grey">(416438)</span></li>
<li>trunk/include/asterisk/bridge_features.h <span style="color: grey">(416438)</span></li>
<li>trunk/include/asterisk/bridge_channel.h <span style="color: grey">(416438)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/3649/diff/" style="margin-left: 3em;">View Diff</a></p>
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