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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/2636/">https://reviewboard.asterisk.org/r/2636/</a>
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<p style="margin-top: 0;">On July 8th, 2013, 9:43 p.m. UTC, <b>rmudgett</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2636/diff/3/?file=40440#file40440line2599" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/bridging.c</a>
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(Diff revision 3)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void bridge_channel_handle_action(struct ast_bridge_channel *bridge_channel, struct ast_frame *action)</pre></td>
<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void after_bridge_move_channel(struct ast_channel *chan_bridged, void *data)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void after_bridge_move_channel(struct ast_channel *chan_bridged, void *data)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void after_bridge_move_channel(struct ast_channel *chan_bridged, void *data)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">{</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">{</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>RAII_VAR(struct ast_channel *, chan_target, data, ao2_cleanup);</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>RAII_VAR(struct ast_channel *, chan_target, data, ao2_cleanup);</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>if (ast_channel_move(chan_target, chan_bridged)) {</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>if (ast_channel_move(chan_target, chan_bridged)) {</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>ast_softhangup(chan_target, AST_SOFTHANGUP_DEV);</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>ast_softhangup(chan_target, AST_SOFTHANGUP_DEV);</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>}</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">}</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">}</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 chan_target channel needs COLP update here so the person connected to chan_bridged will get correct COLP information. The chan_bridged channel is masquerading into an application channel like voicemail.</pre>
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<p>On July 9th, 2013, 5:03 p.m. UTC, <b>Joshua Colp</b> wrote:</p>
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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;">As this performs a masquerade internally the bridge will be notified a masquerade occurred, and as a result a COLP update is performed.</pre>
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<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;">Wrong, chan_target is not in the bridging system since it is an application so a masquerade update to the old bridge will not help.
B1 -- bridge -- A
B2 -- Application C
B transfers A to application C
As a result, A masquerades into B2
A -- Application C
Party A needs the COLP update and is no longer in the bridging system. The COLP update after the masquerade needs to come from the CONNECTEDLINE information of chan_target saved before the masquerade. This case is also why the AST_CONTROL_READ_ACTION exists.
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<p style="margin-top: 0;">On July 8th, 2013, 9:43 p.m. UTC, <b>rmudgett</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2636/diff/3/?file=40440#file40440line2755" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/bridging.c</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void bridge_channel_handle_control(struct ast_bridge_channel *bridge_channel, struct ast_frame *fr)</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>ast_connected_line_build_data(data, sizeof(data), ast_channel_connected(chan), NULL);</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>/* By building the connected line into data we can do an easy check to see if this is the same, and if so</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> * we don't need to actually perform a COLP update as the device reflects the information already</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>if (!memcmp(fr->data.ptr, data, fr->datalen)) {</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;">This will work just fine if you don't use the interception macro/subroutines. The point of the interception routines is to manipulate the COLP information.</pre>
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<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 check has even more holes than I originally thought. The AST_CONTROL_CONNECTED_LINE frame does not need to be a complete update. It may update parts of the connected line information and as a result will never match the whole connected line frame you are generating here.</pre>
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<p>- rmudgett</p>
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<p>On July 9th, 2013, 5:03 p.m. UTC, Joshua Colp wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Joshua Colp.</div>
<p style="color: grey;"><i>Updated July 9, 2013, 5:03 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-21829">ASTERISK-21829</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;">The attached change adds COLP updates on bridging push/pull operations and passes information down so it can do it semi-intelligently (ie: only when it really should).
Old code which is no longer required has also been removed.</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;">Tested the various scenarios to make sure that connected line information is updated when it should be (and not more than it needs to be).
Calling, transfers, etc.</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/include/asterisk/channel.h <span style="color: grey">(393869)</span></li>
<li>/trunk/main/bridging.c <span style="color: grey">(393869)</span></li>
<li>/trunk/main/channel.c <span style="color: grey">(393869)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2636/diff/" style="margin-left: 3em;">View Diff</a></p>
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