These events sent via sendmsg are designed to be asynchronous.<br>artificial waiting may be adding to the problem.<br> <br>Step outside of what you are trying to do and consider that the sendmsg command itself<br>is designed to send a 1 way message to the channel, the reply is only to confirm that it was sent not the reply from<br>
the application you are executing, because executing an app is not the only thing you can do.<br><br>if you don't like async behaviour you could always send a blocking instruction like the read or play_and_get_digits app to collect your info.<br>
<br><br>If anything, it might be ok to put this in the "break" app at the end<br><br>switch_channel_wait_for_flag(channel, CF_BROADCAST, SWITCH_FALSE, 2000, NULL);<br><br><br><br><div class="gmail_quote">On Tue, Mar 16, 2010 at 6:41 AM, Peter Olsson <span dir="ltr"><<a href="mailto:peter.olsson@visionutveckling.se">peter.olsson@visionutveckling.se</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div link="blue" vlink="purple" lang="SV">
<div>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US">I agree, that is a possibility. However, when sending a “SendMsg”
with application “break”, and receive “+OK” as it’s reply, you kind of expect
that it was received correctly, and will be handled in the event queue
properly.</span></p>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US">I have a created a small patch that (probably) will fix this in
FS, without breaking anything else. I just need to test it first – if everything
seems ok I will add a jira for it, with the patch attached.</span></p>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US">/Peter</span></p>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);"> </span></p>
<div style="border-width: 1pt medium medium; border-style: solid none none; border-color: rgb(181, 196, 223) -moz-use-text-color -moz-use-text-color; padding: 3pt 0cm 0cm;">
<p class="MsoNormal"><b><span style="font-size: 10pt;" lang="EN-US">Från:</span></b><span style="font-size: 10pt;" lang="EN-US"> <a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>
[mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>] <b>För </b>Anthony
Minessale<br>
<b>Skickat:</b> den 15 mars 2010 17:21<div><div></div><div class="h5"><br>
<b>Till:</b> <a href="mailto:freeswitch-users@lists.freeswitch.org" target="_blank">freeswitch-users@lists.freeswitch.org</a><br>
<b>Ämne:</b> Re: [Freeswitch-users] ESL and application "break" (to
stop file playback) - timing issues.</div></div></span></p>
</div><div><div></div><div class="h5">
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal" style="margin-bottom: 12pt;">you could also wait for the
execute_complete of the file you were playing</p>
<div>
<p class="MsoNormal">On Mon, Mar 15, 2010 at 9:40 AM, Peter Olsson <<a href="mailto:peter.olsson@visionutveckling.se" target="_blank">peter.olsson@visionutveckling.se</a>>
wrote:</p>
<div>
<div>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US">Thanks for the reply.</span></p>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US">Yes, I thought of this.</span></p>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US">But that still shouldn’t
solve the issue? It will only tell that the CF_BREAK flag was set on the
channel, not that the current playback detected the flag in the loop (which I
guess is done in a different thread), or is this event sent once the playback
really did stop?</span></p>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US">/Peter</span></p>
<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US"> </span></p>
<div style="border-width: 1pt medium medium; border-style: solid none none; padding: 3pt 0cm 0cm; border-color: -moz-use-text-color;">
<p class="MsoNormal"><b><span style="font-size: 10pt;" lang="EN-US">Från:</span></b><span style="font-size: 10pt;" lang="EN-US"> <a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>
[mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>] <b>För </b>Anthony
Minessale<br>
<b>Skickat:</b> den 15 mars 2010 16:31<br>
<b>Till:</b> <a href="mailto:freeswitch-users@lists.freeswitch.org" target="_blank">freeswitch-users@lists.freeswitch.org</a><br>
<b>Ämne:</b> Re: [Freeswitch-users] ESL and application "break" (to
stop file playback) - timing issues.</span></p>
</div>
<div>
<div>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal" style="margin-bottom: 12pt;">you
could wait for the execute_complete event for your break command.</p>
<div>
<p class="MsoNormal">On
Mon, Mar 15, 2010 at 3:20 AM, Peter Olsson <<a href="mailto:peter.olsson@visionutveckling.se" target="_blank">peter.olsson@visionutveckling.se</a>>
wrote:</p>
<div>
<div>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">I’m not sure if this belongs in Jira, or if
it’s possible to do it another way – so I try the list first :)</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">I’m using ESL to do some IVR functions.
Basically I play some sound files, wait for DTMF, and then do something, like
record a message, transfer the call to a mobile phone etc. Quite basic and
simple.</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">I’ve noticed one problem with this, and
it’s when I want to stop playback using command “break”. In 99% of the time
everything works as expected, but sometimes I get this problem – and the
problem is that the current file doesn’t stop playing. And I think I know why
this is happening.</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">Lets say I first send playback(tone_stream://%(1500,
3500, 440.0, 0.0);loops=100) to the channel. This will play a ring-tone
(swedish) and loop through it 100 times.. When I want to stop this tone I send
the break command, and directly after this a new playback command. Maybe 1 time
in 100 tries the tone_stream doesn’t stop playing. I think this is becuase how
break works. From what I understand from the source it just sets the CF_BREAK
flag on the channel, and then the playback application will detect this and
stop the playback. However, when I send a new playback command immediately
after break it will reset the CF_BREAK-flag again, to make sure it won’t cause
any problems for the new playback. So if the original playback (tone_stream)
didn’t check the flag before it was reset, it won’t known that it was supposed
to stop playing.</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">I guess I could wait 50ms before sending
the new playback message, but I can really never be sure that it was handled
properly.</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">Is there any other way around this? How
about “break <uuid> all”, will it make any difference in this case? Or
should this just be treated as a timing bug, and filed to Jira? Any help on
this would be greatly appreciated.</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">These are the messages I’m sending;</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">SendMsg <uuid></span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">call-command: execute</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">execute-app-name: playback</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">execute-app-arg: tone_stream://%(1500,
3500, 440.0, 0.0);loops=100</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">When I don’t want this to play anymore I
send a break;</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">SendMsg <uuid></span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">call-command: execute</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">execute-app-name: break</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">And immediately after this I want to play
another file;</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">SendMsg <uuid></span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">call-command: execute</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">execute-app-name: playback</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US">execute-app-arg: file/to/play.wav</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;" lang="EN-US"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;">Regards,</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;">Peter Olsson</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;"> </span></p>
</div>
</div>
<p class="MsoNormal" style="margin-bottom: 12pt;"><br>
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<br>
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<br>
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