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<a href="https://reviewboard.asterisk.org/r/2512/diff/1/?file=37452#file37452line320" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/dial.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">struct</span> <span class="n">ast_dial_channel</span> <span class="o">*</span><span class="n">channel</span> <span class="o">=</span> <span class="nb">NULL</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;">No need to set this NULL.</pre>
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<a href="https://reviewboard.asterisk.org/r/2512/diff/1/?file=37452#file37452line1148" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/dial.c</a>
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<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; "><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">dial</span> <span class="o">||</span> <span class="n">AST_LIST_EMPTY</span><span class="p">(</span><span class="o">&</span><span class="n">dial</span><span class="o">-></span><span class="n">channels</span><span class="p">)</span> <span class="o">|</span> <span class="o">!</span><span class="p">(</span><span class="n">channel</span> <span class="o">=</span> <span class="n">find_dial_channel</span><span class="p">(</span><span class="n">dial</span><span class="p">,</span> <span class="n">num</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;">The bitwise or should be a logical or.</pre>
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<a href="https://reviewboard.asterisk.org/r/2512/diff/1/?file=37452#file37452line1159" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/dial.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">if</span> <span class="p">(</span><span class="o">!</span><span class="n">dial</span> <span class="o">||</span> <span class="n">AST_LIST_EMPTY</span><span class="p">(</span><span class="o">&</span><span class="n">dial</span><span class="o">-></span><span class="n">channels</span><span class="p">)</span> <span class="o">|</span> <span class="o">!</span><span class="p">(</span><span class="n">channel</span> <span class="o">=</span> <span class="n">find_dial_channel</span><span class="p">(</span><span class="n">dial</span><span class="p">,</span> <span class="n">num</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;">The bitwise or should be a logical or</pre>
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<a href="https://reviewboard.asterisk.org/r/2512/diff/1/?file=37454#file37454line9974" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/pbx.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int ast_add_extension2_lockopt(struct ast_context *con,</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="tb"> </span>f = ast_read(chan);</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>if (outgoing->appdata) {</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="tb"> </span>if (!f)</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="tb"> </span>ast_free(outgoing->appdata);</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;">No need to have the if. It's fine to ast_free() a NULL pointer.</pre>
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<a href="https://reviewboard.asterisk.org/r/2512/diff/1/?file=37454#file37454line10248" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/pbx.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int ast_add_extension2_lockopt(struct ast_context *con,</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><span class="tb"> </span>if (channel) {</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 (channel) {</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="tb"> </span><span class="tb"> </span><span class="tb"> </span>*channel = <span class="hl">NULL</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="tb"> </span>*channel = dialed;</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="tb"> </span><span class="tb"> </span><span class="tb"> </span>ast_channel_<span class="hl">un</span>lock(chan);</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="tb"> </span>ast_channel_lock(*channel);</pre></td>
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<td bgcolor="#ffc5ce" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>}</pre></td>
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<td bgcolor="#ffc5ce" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>ast_hangup(chan);</pre></td>
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<td bgcolor="#ffc5ce" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>res = -1;</pre></td>
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<td bgcolor="#ffc5ce" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>goto outgoing_exten_cleanup;</pre></td>
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<td bgcolor="#ffc5ce" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>res = 0;</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're setting yourself up for deadlocks here by keeping the channel locked while a separate thread executes application/dialplan.
Also, I don't see where the corresponding ast_channel_unlock() is (excepting when thread creation fail)</pre>
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<a href="https://reviewboard.asterisk.org/r/2512/diff/1/?file=37454#file37454line10371" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/pbx.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int ast_add_extension2_lockopt(struct ast_context *con,</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="tb"> </span><span class="tb"> </span><span class="tb"> </span>ast_verb(4, "Channel %s was never answered.\n", ast_channel_name(chan));</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>if (ast_dial_state(outgoing->dial) != AST_DIAL_RESULT_ANSWERED &&</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="tb"> </span><span class="tb"> </span><span class="tb"> </span>if (ast_channel_cdr(chan)) { /* update the cdr */</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="tb"> </span>ast_strlen_zero(app) &&<span class="tb"> </span>ast_exists_extension(NULL, context, "failed", 1, NULL)) {</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;">Hm, I don't think this if is correct. Consider an asynchronous outgoing exten operation. When the code reaches this point, there's a good chance that the outgoing dial is not answered. If the "failed" extension exists, it will run even though presumably the call just hasn't been answered yet. I think you need to add a check for synchronous > 1 to this as well.</pre>
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<a href="https://reviewboard.asterisk.org/r/2512/diff/1/?file=37454#file37454line10391" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/pbx.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int ast_add_extension2_lockopt(struct ast_context *con,</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>res = cdr_res;</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="tb"> </span><span class="tb"> </span>if (ast_pbx_run(failed)) {</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>goto outgoing_app_cleanup;</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="tb"> </span><span class="tb"> </span><span class="tb"> </span>ast_log(LOG_ERROR, "Unable to run PBX on '%s'\n", ast_channel_name(failed));</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="tb"> </span><span class="tb"> </span>ast_hangup(failed);</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><span class="tb"> </span><span class="tb"> </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;">Consider using ast_pbx_start() instead of ast_pbx_run() here. As is, this will block the thread until the failed extension completes.</pre>
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<p>- Mark</p>
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<p>On May 8th, 2013, 6:52 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 May 8, 2013, 6:52 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 adds a few minor features to the dialing API and moves origination to using it. As a result code duplication is reduced and readability has increased.</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 various origination scenarios and confirmed they all work as expected.</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/dial.h <span style="color: grey">(388010)</span></li>
<li>/trunk/main/dial.c <span style="color: grey">(388010)</span></li>
<li>/trunk/main/manager_channels.c <span style="color: grey">(388010)</span></li>
<li>/trunk/main/pbx.c <span style="color: grey">(388010)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2512/diff/" style="margin-left: 3em;">View Diff</a></p>
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