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<p style="margin-top: 0;">On December 9th, 2013, 11 p.m. UTC, <b>rmudgett</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/3040/diff/2/?file=48994#file48994line965" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/include/asterisk/bridge.h</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">enum ast_transfer_result ast_bridge_transfer_blind(int is_external,</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 attended false set BLINDTRANSFER and unset ATTENDEDTRANSFER</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"> * true set ATTENDEDTRANSFER and unset BLINDTRANSFER</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">void</span> <span class="nf">ast_bridge_set_transfer_variables</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">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">value</span><span class="p">,</span> <span class="kt">int</span> <span class="n">attended</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;">Suggest changing the attended parameter name to imply that it is a boolean value: is_attended.</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;">change'd</pre>
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<p style="margin-top: 0;">On December 9th, 2013, 11 p.m. UTC, <b>rmudgett</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/3040/diff/2/?file=48995#file48995line125" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/main/bridge.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static unsigned int optimization_id;</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm">/* Variable name for storing peer information about the most recent blind transfer a channel was involved with */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#define BLINDTRANSFER "BLINDTRANSFER"</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">/* Variable name for storing peer information about the most recent attended transfer a channel was involved with */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#define ATTENDEDTRANSFER "ATTENDEDTRANSFER"</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;">Word wrap the long comment line or shorten the wordy sentence.</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;">/* Variable name - stores peer information about the most recent attended transfer */
Shorten'd.</pre>
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<p style="margin-top: 0;">On December 9th, 2013, 11 p.m. UTC, <b>rmudgett</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/3040/diff/2/?file=48995#file48995line3960" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/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="kt">char</span> <span class="o">*</span><span class="n">writevar</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="kt">char</span> <span class="o">*</span><span class="n">erasevar</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="k">if</span> <span class="p">(</span><span class="n">attended</span><span class="p">)</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;">A blank line should be added between variable declarations and code as a separator.</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;">Blank'd</pre>
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<p style="margin-top: 0;">On December 9th, 2013, 11 p.m. UTC, <b>rmudgett</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/3040/diff/2/?file=48995#file48995line3985" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/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="cm"> * \param attended false set BLINDTRANSFER and unset ATTENDEDTRANSFER</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"> * true set ATTENDEDTRANSFER and unset BLINDTRANSFER</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="kt">void</span> <span class="nf">set<span class="hl">_blind</span>_transfer_variables</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_channel</span> <span class="o">*</span><span class="n">transferer</span><span class="p">,</span> <span class="k">struct</span> <span class="n">ao2_container</span> <span class="o">*</span><span class="n">channels</span><span class="p">)</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="kt">void</span> <span class="nf">set_transfer_variables<span class="hl">_all</span></span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_channel</span> <span class="o">*</span><span class="n">transferer</span><span class="p">,</span> <span class="k">struct</span> <span class="n">ao2_container</span> <span class="o">*</span><span class="n">channels</span><span class="p"><span class="hl">,</span></span><span class="hl"> </span><span class="kt"><span class="hl">int</span></span><span class="hl"> </span><span class="n"><span class="hl">attended</span></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;">Suggest changing the attended parameter name to imply that it is a boolean value: is_attended.</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;">change'd 2: change harder</pre>
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<p style="margin-top: 0;">On December 9th, 2013, 11 p.m. UTC, <b>rmudgett</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/3040/diff/2/?file=48995#file48995line4200" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/main/bridge.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static enum ast_transfer_result two_bridge_attended_transfer(struct ast_channel *to_transferee,</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="n">ao2_lock</span><span class="p">(</span><span class="n">to_transferee_bridge</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="n">channels</span> <span class="o">=</span> <span class="n">ast_bridge_peers_nolock</span><span class="p">(</span><span class="n">to_transferee_bridge</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="n">ao2_unlock</span><span class="p">(</span><span class="n">to_transferee_bridge</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;">Use ast_bridge_peers() rather than inlining it.
Actually, you don't need to lock the bridge at all because the only caller already has it locked.</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;">Turns out the already locked requirement is already in the documentation too.</pre>
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<p style="margin-top: 0;">On December 9th, 2013, 11 p.m. UTC, <b>rmudgett</b> wrote:</p>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct ast_channel *dial_transfer(struct ast_channel *caller, const char *destination)</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="cm">/* To work as an analog to BLINDTRANSFER */</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="cm">/* To work as an analog to BLINDTRANSFER */</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="hl"><span class="tb"> </span></span><span class="n"><span class="hl">pbx_builtin</span>_setvar<span class="hl">_helper</span></span><span class="p">(</span><span class="n">chan</span><span class="p"><span class="hl">,</span></span><span class="hl"> </span><span class="s"><span class="hl">"ATTENDEDTRANSFER"</span></span><span class="p">,</span> <span class="n">ast_channel_name</span><span class="p">(</span><span class="n">caller</span><span class="p">));</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="hl"><span class="tb"> </span></span><span class="n"><span class="hl">ast_bridge</span>_set<span class="hl">_transfer_</span>var<span class="hl">iables</span></span><span class="p">(</span><span class="n">chan</span><span class="p">,</span> <span class="n">ast_channel_name</span><span class="p">(</span><span class="n">caller</span><span class="p">)<span class="hl">,</span></span><span class="hl"> </span><span class="mi"><span class="hl">1</span></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;">The comment no longer makes sence here.</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;">Uncommentary'd</pre>
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<p>- Jonathan</p>
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<p>On December 4th, 2013, 6:11 p.m. UTC, Jonathan Rose wrote:</p>
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<div>Review request for Asterisk Developers, Mark Michelson and rmudgett.</div>
<div>By Jonathan Rose.</div>
<p style="color: grey;"><i>Updated Dec. 4, 2013, 6:11 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;">There were still a few cases in which ATTENDEDTRANSFER and BLINDTRANSFER wouldn't be set on channels involved with blind and attended transfers. This would happen with features that were initialized by channel driver specific mechanisms in multiparty calls. This patch resolves those cases while attempted to keep the behavior for setting those variables as consistent as possible.</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;">Test One - single peer tansfers
1. Started a two way call between two chan_sip channels.
2. SIP atxfer'd it to an extension that would display the ATTENDEDTRANSFER and BLINDTRANSFER variables
3. repeated test with SIP blindxfer and compared the results.
Without patch:
Blind transfer variable would be present on blind transfer, attended transfer variable would be present on attended transfer.
With patch:
No behavioral change
Test Two - transferring three party calls
1. Started a two way call between two chan_sip channels.
2. Feature ATXfer'd to a local channel that would screech something about weasels every few seconds. Merged into a 3 way call with *3.
3. SIP atxfer'd the bridge to an extension that would display ATTENDEDTRANSFER and BLINDTRANSFER variables
3. repeated test with SIP blindxfer and compared the results.
Without patch:
Attended transfer variables weren't set at all.
Blind transfer variables would be set on the channels that were already in the bridge, but not on the local channel that was used to transfer.
With patch:
Attended transfer variable set for all channels in the bridge as well as the local channel used for the transfer.
Blind transer variables set for all channels in the bridge as well as the local channel used for the transfer.</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/res/parking/parking_manager.c <span style="color: grey">(403068)</span></li>
<li>/branches/12/res/parking/parking_bridge_features.c <span style="color: grey">(403068)</span></li>
<li>/branches/12/main/bridge_basic.c <span style="color: grey">(403068)</span></li>
<li>/branches/12/main/bridge.c <span style="color: grey">(403068)</span></li>
<li>/branches/12/include/asterisk/bridge.h <span style="color: grey">(403068)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/3040/diff/" style="margin-left: 3em;">View Diff</a></p>
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