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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/2880/">https://reviewboard.asterisk.org/r/2880/</a>
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<p style="margin-top: 0;">On October 4th, 2013, 7:35 p.m. UTC, <b>Corey Farrell</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2880/diff/3/?file=46984#file46984line90" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/cdr/cdr_manager.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 int load_config(int reload)</pre></td>
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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="tb"> </span><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">reload</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="tb"> </span><span class="tb"> </span><span class="n">ast_cdr_backend_suspend</span><span class="p">(</span><span class="n">name</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="tb"> </span><span class="p">}</span> <span class="k">else</span> <span class="p">{</span></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="n">ast_cdr_unregister</span><span class="p">(</span><span class="n">name</span><span class="p">);</span></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><span class="n">ast_cdr_unregister</span><span class="p">(</span><span class="n">name</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="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;">This should suspend for both reload and not.</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;">Had to think about that one, but it is a possible edge case where we load, fail the config, unregister, unregister fails, and so we're technically "active" with no config and still registered. Yuck.</pre>
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<p style="margin-top: 0;">On October 4th, 2013, 7:35 p.m. UTC, <b>Corey Farrell</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2880/diff/3/?file=46993#file46993line2664" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/main/cdr.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; ">int ast_cdr_register(const char *name, const char *desc, ast_cdrbe be)</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="n">active_count</span> <span class="o">!=</span> <span class="mi">0</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">ast_log</span><span class="p">(</span><span class="n">AST_LOG_WARNING</span><span class="p">,</span> <span class="s">"Unable to unregister CDR backend %s; %d CDRs are still active</span><span class="se">\n</span><span class="s">"</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="tb"> </span><span class="n">name</span><span class="p">,</span> <span class="n">active_count</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="k">return</span> <span class="mi">1</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;">This check should happen once the module is found, and only if the module is not suspended.
1) It's always ok to unregister a suspended module. For example cdr_manager is suspended by default config.
2) It should never be an error if the module is not registered.
Should error be -1 to allow direct use from unload_module procedures? for example cdr_mysql could use the return from ast_cdr_unregister as the return for unload_module.</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;">Fixed; updated to be -1.</pre>
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<p>- Matt</p>
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<p>On October 4th, 2013, 6:54 p.m. UTC, Matt Jordan wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Matt Jordan.</div>
<p style="color: grey;"><i>Updated Oct. 4, 2013, 6:54 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;">During shutdown, Asterisk attempts to flush out any active CDRs by calling ast_cdr_engine_term. This is to try to get as much billing data recorded as possible before Asterisk shuts down/restarts and that data is lost. Unfortunately, module unloading occurs prior to calling ast_cdr_engine_term, and the CDR backend modules have already unregistered themselves. Thus, while the records are successfully flushed from the system, there are no registered backends left to handle the data.
This is technically a problem in prior versions of Asterisk as well; however, it is far less likely to occur in Asterisk 1.8/11 due to CDRs being build on an asynchronous message bus in Asterisk 12.
This patch modified ast_cdr_unregister such that if active_cdrs_by_channel has an entry, the unregistration fails. This would have the side effect of preventing CDR module unloading via the CLI on a busy system - but if you're doing that, you're already losing billing data, so that seems like a very bad idea anyway.</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;">The various dial tests that have a tendency to end very quickly while CDR data is in flight now pass consistently.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/branches/12/addons/cdr_mysql.c <span style="color: grey">(400541)</span></li>
<li>/branches/12/cdr/cdr_adaptive_odbc.c <span style="color: grey">(400541)</span></li>
<li>/branches/12/cdr/cdr_csv.c <span style="color: grey">(400541)</span></li>
<li>/branches/12/cdr/cdr_custom.c <span style="color: grey">(400541)</span></li>
<li>/branches/12/cdr/cdr_manager.c <span style="color: grey">(400541)</span></li>
<li>/branches/12/cdr/cdr_odbc.c <span style="color: grey">(400541)</span></li>
<li>/branches/12/cdr/cdr_pgsql.c <span style="color: grey">(400541)</span></li>
<li>/branches/12/cdr/cdr_radius.c <span style="color: grey">(400541)</span></li>
<li>/branches/12/cdr/cdr_sqlite.c <span style="color: grey">(400541)</span></li>
<li>/branches/12/cdr/cdr_sqlite3_custom.c <span style="color: grey">(400541)</span></li>
<li>/branches/12/cdr/cdr_syslog.c <span style="color: grey">(400541)</span></li>
<li>/branches/12/cdr/cdr_tds.c <span style="color: grey">(400541)</span></li>
<li>/branches/12/include/asterisk/cdr.h <span style="color: grey">(400541)</span></li>
<li>/branches/12/main/cdr.c <span style="color: grey">(400541)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2880/diff/" style="margin-left: 3em;">View Diff</a></p>
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