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<p><tt>H<tt>i Agalya,</tt></tt></p>
<p><tt><tt><tt><tt>T</tt>he "connection_timeout" is <tt>a
configurable module parameter<tt>, so <tt>tuning it <tt>properl<tt>y
</tt>might just solve your probl<tt>em.</tt></tt></tt><tt><br>
</tt></tt></tt></tt></tt></tt></p>
<p><tt><tt><tt><tt><tt>If you need more <tt>assistance, pl<tt>ea<tt>se
<tt>enable</tt><tt> <tt>debug<tt> logging</tt></tt><tt></tt>
(<tt>log_level = 4), run <tt>the query </tt><tt></tt>and
post the <tt>full log output.</tt></tt></tt></tt></tt></tt></tt></tt></tt></tt></tt></p>
<p><tt><tt><tt><tt><tt><tt><tt><tt><tt><tt><tt><tt>Best regards,</tt><br>
</tt></tt></tt></tt></tt></tt></tt></tt></tt></tt></tt></p>
<pre class="moz-signature" cols="72">Liviu Chircu
OpenSIPS Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
<div class="moz-cite-prefix">On 09.09.2016 23:04, Ramachandran,
Agalya (Contractor) wrote:<br>
</div>
<blockquote
cite="mid:7ba970a33ba246b8a504fa63b2bfe3cc@COPDCEX28.cable.comcast.com"
type="cite">
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<div class="WordSection1">
<p class="MsoNormal"><span style="color:blue">Hi Liviu, <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:blue">I have tested the
patch. Now I see the delay is 2 secs. i.e after 2 secs it
sends the HTTP request out.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">I suspect this
2000 ms delay is due to the below field:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">long
connection_timeout = 20; <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:blue">Can we reduce this
field to 5 or 10, so that it waits only half a second or
second to send the request out.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">Let me know your
thoughts on this. <o:p>
</o:p></span></p>
<p class="MsoNormal"><span style="color:blue"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:blue">Am seeing the
below message in logs. Is everything working as you
expected?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">rest_client:start_async_http_req:
libcurl TCP connect: we should wait up to 1ms
(timeout=20000ms)!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:blue"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:blue">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">Agalya<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span
style="color:windowtext"> Liviu Chircu
[<a class="moz-txt-link-freetext" href="mailto:liviu@opensips.org">mailto:liviu@opensips.org</a>]
<br>
<b>Sent:</b> Thursday, September 08, 2016 7:05 AM<br>
<b>To:</b> Ramachandran, Agalya (Contractor)
<a class="moz-txt-link-rfc2396E" href="mailto:Agalya_Ramachandran@comcast.com"><Agalya_Ramachandran@comcast.com></a>; Bogdan-Andrei
Iancu <a class="moz-txt-link-rfc2396E" href="mailto:bogdan@opensips.org"><bogdan@opensips.org></a>; OpenSIPS users
mailling list <a class="moz-txt-link-rfc2396E" href="mailto:users@lists.opensips.org"><users@lists.opensips.org></a><br>
<b>Subject:</b> Re: FW:[OpenSIPS-Users] Asynchronous
operation for REST queries<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p><tt><span style="font-size:10.0pt">Hi, Agalya!</span></tt><o:p></o:p></p>
<p><tt><span style="font-size:10.0pt">Regarding the 10s delay
problem, a fix was pushed to the development branch [1].
If you are running on 2.1.4 git branch, could you please
pull the latest changes (git pull --rebase), and test it
out? You can import it with:</span></tt><o:p></o:p></p>
<p><tt><span style="font-size:10.0pt">git cherry-pick -x
66c337cc</span></tt><o:p></o:p></p>
<p><tt><span style="font-size:10.0pt">[1]: <a
moz-do-not-send="true"
href="https://github.com/OpenSIPS/opensips/commit/66c337cc89a2b5c3e1bbd78c289371efcda21886">https://github.com/OpenSIPS/opensips/commit/66c337cc89a2b5c3e1bbd78c289371efcda21886</a></span></tt><o:p></o:p></p>
<p><tt><span style="font-size:10.0pt">Best regards,</span></tt><o:p></o:p></p>
<pre>Liviu Chircu<o:p></o:p></pre>
<pre>OpenSIPS Developer<o:p></o:p></pre>
<pre><a moz-do-not-send="true" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a><o:p></o:p></pre>
<div>
<p class="MsoNormal">On 07.09.2016 20:14, Ramachandran, Agalya
(Contractor) wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span style="color:blue">Hi team,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Any clue on this
below topic would be a great. Am stuck with this 10 sec
delay and couldn’t move further.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">If I could be
able to find the root cause and resolve this , then only I
can implement REST API calls as async.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Because this 10
sec delay is a huge time. Please help me on this.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Regards,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Agalya</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span
style="color:windowtext"> Ramachandran, Agalya
(Contractor)
<br>
<b>Sent:</b> Tuesday, August 30, 2016 10:13 AM<br>
<b>To:</b> 'Liviu Chircu' <<a
moz-do-not-send="true"
href="mailto:liviu@opensips.org">liviu@opensips.org</a>><br>
<b>Subject:</b> RE: FW: [OpenSIPS-Users] Asynchronous
operation for REST queries</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Hi Liviu,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">A clue for this
10 sec delay consumed by opensips before sending the HTTP
request, will be grateful for me. As far as I debugged
this delay is caused by curl library. But wondering what
could be the cause for this constant 10.25 sec delay.?</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Please help me
out in this. </span>
<o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Regards,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Agalya</span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span
style="color:windowtext"> Ramachandran, Agalya
(Contractor)
<br>
<b>Sent:</b> Friday, August 26, 2016 2:29 PM<br>
<b>To:</b> 'Liviu Chircu' <<a
moz-do-not-send="true"
href="mailto:liviu@opensips.org">liviu@opensips.org</a>><br>
<b>Cc:</b> OpenSIPS users mailling list <<a
moz-do-not-send="true"
href="mailto:users@lists.opensips.org">users@lists.opensips.org</a>><br>
<b>Subject:</b> RE: FW: [OpenSIPS-Users] Asynchronous
operation for REST queries</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Hi Liviu, </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Here is the dump
from the time when the socket is opened and when the
request sent out.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Highlighted in </span><span
style="color:red">RED color</span><span style="color:blue">.
Any clue for this 10 sec delay?
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><b><span style="color:red">17:29:56.430379
IP6 sturn-test.novalocal.44797</span></b><span
style="color:red">
</span>> destination.rtc.sys.comcast.net.webcache: Flags
[S], seq 3356294440, win 28800, options [mss 1440,sackOK,TS
val 3588300781 ecr 0,nop,wscale 7], length 0<o:p></o:p></p>
<p class="MsoNormal"> 0x0000: 6000 0000 0028 0640 2001
0558 fc0b 0100 `....(<a moz-do-not-send="true"
href="mailto:.@...X">.@...X</a>....<o:p></o:p></p>
<p class="MsoNormal"> 0x0010: f816 3eff fed5 0bfe 2001
0558 fc11 0000 ..>........X....<o:p></o:p></p>
<p class="MsoNormal"> 0x0020: f816 3eff fe11 d5aa aefd
1f90 c80c fd28 ..>............(<o:p></o:p></p>
<p class="MsoNormal"> 0x0030: 0000 0000 a002 7080 90bb
0000 0204 05a0 ......p.........<o:p></o:p></p>
<p class="MsoNormal"> 0x0040: 0402 080a d5e1 1fed 0000
0000 0103 0307 ................<o:p></o:p></p>
<p class="MsoNormal">17:29:56.436526 IP6
destination.rtc.sys.comcast.net.webcache >
sturn-test.novalocal.44797: Flags [S.], seq 4065018495, ack
3356294441, win 28560, options [mss 1440,sackOK,TS val
1771678349 ecr 3588300781,nop,wscale 9], length 0<o:p></o:p></p>
<p class="MsoNormal"> 0x0000: 6000 0000 0028 063a 2001
0558 fc11 0000 `....(.:...X....<o:p></o:p></p>
<p class="MsoNormal"> 0x0010: f816 3eff fe11 d5aa 2001
0558 fc0b 0100 ..>........X....<o:p></o:p></p>
<p class="MsoNormal"> 0x0020: f816 3eff fed5 0bfe 1f90
aefd f24b 427f ..>..........KB.<o:p></o:p></p>
<p class="MsoNormal"> 0x0030: c80c fd29 a012 6f90 755f
0000 0204 05a0 ...)..o.u_......<o:p></o:p></p>
<p class="MsoNormal"> 0x0040: 0402 080a 6999 aa8d d5e1
1fed 0103 0309 ....i...........<o:p></o:p></p>
<p class="MsoNormal">17:29:56.436575 IP6
sturn-test.novalocal.44797 >
destination.rtc.sys.comcast.net.webcache: Flags [.], ack 1,
win 225, options [nop,nop,TS val 3588300787 ecr 1771678349],
length 0<o:p></o:p></p>
<p class="MsoNormal"> 0x0000: 6000 0000 0020 0640 2001
0558 fc0b 0100 `......@...X....<o:p></o:p></p>
<p class="MsoNormal"> 0x0010: f816 3eff fed5 0bfe 2001
0558 fc11 0000 ..>........X....<o:p></o:p></p>
<p class="MsoNormal"> 0x0020: f816 3eff fe11 d5aa aefd
1f90 c80c fd29 ..>............)<o:p></o:p></p>
<p class="MsoNormal"> 0x0030: f24b 4280 8010 00e1 90b3
0000 0101 080a .KB.............<o:p></o:p></p>
<p class="MsoNormal"> 0x0040: d5e1 1ff3 6999
aa8d ....i...<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><b><span style="color:red">17:30:06.667279
IP6 sturn-test.novalocal.44797</span></b><span
style="color:red">
</span>> destination.rtc.sys.comcast.net.webcache: Flags
[P.], seq 1:681, ack 1, win 225, options [nop,nop,TS val
3588311018 ecr 1771678349], length 680<o:p></o:p></p>
<p class="MsoNormal"><a moz-do-not-send="true"
href="mailto:PUT./RTCGSessionManager/rest/tel/session/createroom?uid=pp&custguid=1-32750@XX.YYY.231.239..HTTP/1.1..Host:.tr-sm-as-a-001.rtc.sys.comcast.net:8080..Accept:.*/*..Conten">PUT./RTCGSessionManager/rest/tel/session/createroom?uid=pp&custguid=1-32750@XX.YYY.231.239..HTTP/1.1..Host:.tr-sm-as-a-001.rtc.sys.comcast.net:8080..Accept:.*/*..Conten</a>
<a moz-do-not-send="true"
href="mailto:t-Type:.application/json..Uid:.pp..serviceId:.tel..custguid:.1-32750@96.119.231">t-Type:.application/json..Uid:.pp..serviceId:.tel..custguid:.1-32750@96.119.231</a>.
<a moz-do-not-send="true"
href="mailto:239...x-tracking-id:.820..X-Trace:.trace-id=1-32750@96.119.231.239...x-server-name:.RTCGSM..x-client-name:.IMS">239...x-tracking-id:.820..X-Trace:.trace-id=1-32750@96.119.231.239...x-server-name:.RTCGSM..x-client-name:.IMS</a><o:p></o:p></p>
<p class="MsoNormal"><a moz-do-not-send="true"
href="mailto:x-source-id:.OpenSIP..user-agent:.OpenSIPv1.11.3..device-id:.1-32750@XX.YYY.231">x-source-id:.OpenSIP..user-agent:.OpenSIPv1.11.3..device-id:.1-32750@XX.YYY.231</a>.
239...Content-Length:.211....{"participantsInfo"
:["2155551212"],"callType":"audio","instanceId": "<a
moz-do-not-send="true"
href="mailto:1-32750@XX.YYY.%20231.239.">1-32750@XX.YYY.
231.239.</a>","fromUID":"pp","fromTN":"pp","isOpenSipRequest":true,"
displayName":"Call.From.IMS","deviceType":"Android/iOS/STB/IMS"}<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">17:30:06.672819 IP6
destination.rtc.sys.comcast.net.webcache >
sturn-test.novalocal.44797: Flags [.], ack 681, win 59,
options [nop,nop,TS val 1771688585 ecr 3588311018], length 0<o:p></o:p></p>
<p class="MsoNormal"> 0x0000: 6000 0000 0020 063a 2001
0558 fc11 0000 `......:...X....<o:p></o:p></p>
<p class="MsoNormal"> 0x0010: f816 3eff fe11 d5aa 2001
0558 fc0b 0100 ..>........X....<o:p></o:p></p>
<p class="MsoNormal"> 0x0020: f816 3eff fed5 0bfe 1f90
aefd f24b 4280 ..>..........KB.<o:p></o:p></p>
<p class="MsoNormal"> 0x0030: c80c ffd1 8010 003b c0cd
0000 0101 080a .......;........<o:p></o:p></p>
<p class="MsoNormal"> 0x0040: 6999 d289 d5e1
47ea i.....G.<o:p></o:p></p>
<p class="MsoNormal">17:30:06.778978 IP6
destination.rtc.sys.comcast.net.webcache >
sturn-test.novalocal.44797: Flags [P.], seq 1:358, ack 681,
win 59, options [nop,nop,TS val 1771688691 ecr 3588311018],
length 357<o:p></o:p></p>
<p class="MsoNormal"> 0x0000: 6000 0000 0185 063a 2001
0558 fc11 0000 `......:...X....<o:p></o:p></p>
<p class="MsoNormal"> 0x0010: f816 3eff fe11 d5aa 2001
0558 fc0b 0100 ..>........X....<o:p></o:p></p>
<p class="MsoNormal"> 0x0020: f816 3eff fed5 0bfe 1f90
aefd f24b 4280 ..>..........KB.<o:p></o:p></p>
<p class="MsoNormal"> 0x0030: c80c ffd1 8018 003b 8583
0000 0101 080a .......;........<o:p></o:p></p>
<p class="MsoNormal"> 0x0040: 6999 d2f3 d5e1 47ea 4854
5450 2f31 2e31 i.....G.HTTP/1.1<o:p></o:p></p>
<p class="MsoNormal"> 0x0050: 2032 3030 204f 4b0d 0a53
6572 7665 723a .200.OK..Server:<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">…<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Regards,<br>
Agalya</span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span
style="color:windowtext"> Ramachandran, Agalya
(Contractor)
<br>
<b>Sent:</b> Friday, August 26, 2016 12:01 PM<br>
<b>To:</b> 'Liviu Chircu' <<a
moz-do-not-send="true"
href="mailto:liviu@opensips.org">liviu@opensips.org</a>><br>
<b>Subject:</b> RE: FW: [OpenSIPS-Users] Asynchronous
operation for REST queries</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Hi Liviu, </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">As I already
emailed you, to contribute the source code there is some
approval process in our organization.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">If that goes
though I can contribute the REST PUT code.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">But I have a
question in async operation in opensips.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">When a async
mode REST API is called either POST/PUT, I see that
opensips waits for 10 sec of time and then only it sends
out the HTTP request out to the network.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Why there is a
huge wait time of 10sec?
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">When I tried to
debug, I found it is looping inside the below for loop for
long time in rest_methods.c file, (but all that looping
are taking same seconds, later 10 sec am getting HTTP
response)</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">for (i = 0; i
< busy_wait; i += check_time) {…..}</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Wondering and
interested to know about this delay time.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Please bear some
of your time</span><span
style="font-family:Wingdings;color:blue">J</span><span
style="color:blue">. Thanks in advance.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Regards,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:blue">Agalya</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span
style="color:windowtext"> Liviu Chircu [</span><a
moz-do-not-send="true"
href="mailto:liviu@opensips.org">mailto:liviu@opensips.org</a><span
style="color:windowtext">]
<br>
<b>Sent:</b> Thursday, August 18, 2016 10:14 AM<br>
<b>To:</b> Ramachandran, Agalya (Contractor) <</span><a
moz-do-not-send="true"
href="mailto:Agalya_Ramachandran@comcast.com">Agalya_Ramachandran@comcast.com</a><span
style="color:windowtext">><br>
<b>Subject:</b> Re: FW: [OpenSIPS-Users] Asynchronous
operation for REST queries</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p><tt><span style="font-size:10.0pt">Hi Agalya,</span></tt><o:p></o:p></p>
<p><tt><span style="font-size:10.0pt">I am very busy these
days and cannot afford to troubleshoot random problems
with libcurl usage. Do you intend to open source the PUT
function by making a Pull Request, after we fix it? If
yes, it will definitely go up in my priority queue.</span></tt><o:p></o:p></p>
<pre>Liviu Chircu<o:p></o:p></pre>
<pre>OpenSIPS Developer<o:p></o:p></pre>
<pre><a moz-do-not-send="true" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a><o:p></o:p></pre>
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