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This is an automatically generated e-mail. To reply, visit:
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<p style="margin-top: 0;">On July 5th, 2012, 3:31 p.m., <b>Kevin Fleming</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2008/diff/1/?file=29335#file29335line2531" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_sip.c</a>
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(Diff revision 1)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void sip_websocket_callback(struct ast_websocket *session, struct ast_variable *parameters, struct ast_variable *headers)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> if ((flags = fcntl(ast_websocket_fd(session), F_GETFL)) == -1) {</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> goto end;</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; "> flags |= O_NONBLOCK;</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> if (fcntl(ast_websocket_fd(session), F_SETFL, flags) == -1) {</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> goto end;</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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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I suspect this is going to be pretty common, so it might be worth putting some mechanism into the WebSocket API itself for making the socket non-blocking.</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;">I've added an API call people can use so that they don't have to reproduce this logic over and over.</pre>
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<p style="margin-top: 0;">On July 5th, 2012, 3:31 p.m., <b>Kevin Fleming</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2008/diff/1/?file=29335#file29335line2560" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_sip.c</a>
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(Diff revision 1)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void sip_websocket_callback(struct ast_websocket *session, struct ast_variable *parameters, struct ast_variable *headers)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> goto end;</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;">Will this leak req.data?</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;">Yes! Fixed.</pre>
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<p style="margin-top: 0;">On July 5th, 2012, 3:31 p.m., <b>Kevin Fleming</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2008/diff/1/?file=29335#file29335line2854" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_sip.c</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; ">static void *_sip_tcp_helper_thread(struct ast_tcptls_session_instance *tcptls_session)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> req.socket.ws_session = NULL;</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;">Is this necessary? The entire 'req' structure was memset() to zeroes above, unless I'm misreading the code.</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;">Removed. Not required indeed.</pre>
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<p style="margin-top: 0;">On July 5th, 2012, 3:31 p.m., <b>Kevin Fleming</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2008/diff/1/?file=29335#file29335line3380" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_sip.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int get_transport_str2enum(const char *transport)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> case SIP_TRANSPORT_WS:</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> return "WS";</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> case SIP_TRANSPORT_WSS:</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> return "WSS";</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> case SIP_TRANSPORT_UDP | SIP_TRANSPORT_WS:</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> return "WS,UDP";</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> case SIP_TRANSPORT_UDP | SIP_TRANSPORT_WSS:</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> return "WSS,UDP";</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> case SIP_TRANSPORT_WS | SIP_TRANSPORT_WSS:</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> return "WSS,WS";</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;">Ugh... 32 possible combinations, and not all are covered here. This begs for a better solution, like maybe an array of 32 static strings and then treating 'transports' as an index into it.</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;">Changed! This is now using a thread local storage buffer to construct the string.</pre>
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<p style="margin-top: 0;">On July 5th, 2012, 3:31 p.m., <b>Kevin Fleming</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2008/diff/1/?file=29335#file29335line9445" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_sip.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int process_sdp(struct sip_pvt *p, struct sip_request *req, int t38action)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> if (!strcmp(protocol, "SAVP")) {</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> if (!str<span class="hl">n</span>cmp(protocol, "SAVP"<span class="hl">, 4</span>)) {</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> secure_audio = 1;</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> secure_audio = 1;</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> } else if (strcmp(protocol, "AVP")) {</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> } else if (str<span class="hl">n</span>cmp(protocol, "AVP"<span class="hl">, 3</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;">It would be better to explicitly check for AVPF and SAVPF, rather than accepting AVP42 or other bogus profiles.</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;">Changed.</pre>
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<p style="margin-top: 0;">On July 5th, 2012, 3:31 p.m., <b>Kevin Fleming</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2008/diff/1/?file=29335#file29335line10768" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_sip.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void add_route(struct sip_request *req, struct sip_route *route)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> trans += 11;</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;">Might as well use strlen(";transport=") here, as the compiler will compute it at compile time anyway.</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;">Changed.</pre>
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<p style="margin-top: 0;">On July 5th, 2012, 3:31 p.m., <b>Kevin Fleming</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2008/diff/1/?file=29336#file29336line373" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/sip/include/sip.h</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">#define SIP_PAGE3_USE_AVPF (1 << 5) /*!< DGP: Use AVPF instead of AVP */</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;">'Support a minimal AVPF-compatible profile'... since we don't fully implement AVPF.</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;">Changed.</pre>
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<p style="margin-top: 0;">On July 5th, 2012, 3:31 p.m., <b>Kevin Fleming</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2008/diff/1/?file=29339#file29339line979" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/configs/sip.conf.sample</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">;avpf=yes ; Enable inter-operability with AVPF media streams. This will cause</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;">'with media streams using the AVPF RTP profile'</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;">Changed.</pre>
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<p>- Joshua</p>
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<p>On July 9th, 2012, 10:59 a.m., 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, 2012, 10:59 a.m.</i></p>
<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;">These changes add WebSocket transport support to chan_sip and fix some minor issues uncovered in the stack when used with WebSocket as a transport.</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 using sipml5 javascript SIP stack. Confirmed protocol traffic is correct, that connections are shutdown properly when they should be, that registration works, and that calling works.</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/channels/chan_sip.c <span style="color: grey">(369768)</span></li>
<li>/trunk/channels/sip/include/sip.h <span style="color: grey">(369768)</span></li>
<li>/trunk/channels/sip/sdp_crypto.c <span style="color: grey">(369768)</span></li>
<li>/trunk/channels/sip/security_events.c <span style="color: grey">(369768)</span></li>
<li>/trunk/configs/sip.conf.sample <span style="color: grey">(369768)</span></li>
<li>/trunk/include/asterisk/http_websocket.h <span style="color: grey">(369768)</span></li>
<li>/trunk/res/res_http_websocket.c <span style="color: grey">(369768)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2008/diff/" style="margin-left: 3em;">View Diff</a></p>
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