[OpenSIPS-Users] FW: Asynchronous operation for REST queries

Liviu Chircu liviu at opensips.org
Thu Sep 8 13:04:47 CEST 2016


Hi, Agalya!

Regarding the 10s delayproblem, 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:

git cherry-pick -x  66c337cc

[1]: 
https://github.com/OpenSIPS/opensips/commit/66c337cc89a2b5c3e1bbd78c289371efcda21886

Best regards,

Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com

On 07.09.2016 20:14, Ramachandran, Agalya (Contractor) wrote:
>
> Hi team,
>
> Any clue on this below topic would be a great. Am stuck with this 10 
> sec delay and couldn’t move further.
>
> If I could be able to find the root cause and resolve this , then only 
> I can implement REST API calls as async.
>
> Because this 10 sec delay is a huge time.  Please help me on this.
>
> Regards,
>
> Agalya
>
> *From:*Ramachandran, Agalya (Contractor)
> *Sent:* Tuesday, August 30, 2016 10:13 AM
> *To:* 'Liviu Chircu' <liviu at opensips.org <mailto:liviu at opensips.org>>
> *Subject:* RE: FW: [OpenSIPS-Users] Asynchronous operation for REST 
> queries
>
> Hi Liviu,
>
> 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.?
>
> Please help me out in this.
>
> Regards,
>
> Agalya
>
> *From:*Ramachandran, Agalya (Contractor)
> *Sent:* Friday, August 26, 2016 2:29 PM
> *To:* 'Liviu Chircu' <liviu at opensips.org <mailto:liviu at opensips.org>>
> *Cc:* OpenSIPS users mailling list <users at lists.opensips.org 
> <mailto:users at lists.opensips.org>>
> *Subject:* RE: FW: [OpenSIPS-Users] Asynchronous operation for REST 
> queries
>
> Hi Liviu,
>
> Here is the dump from the time when the socket is opened and when the 
> request sent out.
>
> Highlighted in RED color. Any clue for this 10 sec delay?
>
> *17:29:56.430379 IP6 sturn-test.novalocal.44797*> 
> 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
>
>         0x0000:  6000 0000 0028 0640 2001 0558 fc0b 0100  `....(. at ...X 
> <mailto:. at ...X>....
>
>         0x0010:  f816 3eff fed5 0bfe 2001 0558 fc11 0000  ..>........X....
>
>         0x0020:  f816 3eff fe11 d5aa aefd 1f90 c80c fd28  ..>............(
>
>         0x0030:  0000 0000 a002 7080 90bb 0000 0204 05a0  ......p.........
>
>         0x0040:  0402 080a d5e1 1fed 0000 0000 0103 0307  ................
>
> 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
>
>         0x0000:  6000 0000 0028 063a 2001 0558 fc11 0000  `....(.:...X....
>
>         0x0010:  f816 3eff fe11 d5aa 2001 0558 fc0b 0100  ..>........X....
>
>         0x0020:  f816 3eff fed5 0bfe 1f90 aefd f24b 427f  ..>..........KB.
>
>         0x0030:  c80c fd29 a012 6f90 755f 0000 0204 05a0  ...)..o.u_......
>
>         0x0040:  0402 080a 6999 aa8d d5e1 1fed 0103 0309  ....i...........
>
> 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
>
>         0x0000:  6000 0000 0020 0640 2001 0558 fc0b 0100  `...... at ...X....
>
>         0x0010:  f816 3eff fed5 0bfe 2001 0558 fc11 0000  ..>........X....
>
>         0x0020:  f816 3eff fe11 d5aa aefd 1f90 c80c fd29  ..>............)
>
>         0x0030:  f24b 4280 8010 00e1 90b3 0000 0101 080a  .KB.............
>
>         0x0040:  d5e1 1ff3 6999 aa8d                      ....i...
>
> *17:30:06.667279 IP6 sturn-test.novalocal.44797*> 
> 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
>
> PUT./RTCGSessionManager/rest/tel/session/createroom?uid=pp&custguid=1-32750 at XX.YYY.231.239..HTTP/1.1..Host:.tr-sm-as-a-001.rtc.sys.comcast.net:8080..Accept:.*/*..Conten 
> <mailto:PUT./RTCGSessionManager/rest/tel/session/createroom?uid=pp&custguid=1-32750 at XX.YYY.231.239..HTTP/1.1..Host:.tr-sm-as-a-001.rtc.sys.comcast.net:8080..Accept:.*/*..Conten> 
> t-Type:.application/json..Uid:.pp..serviceId:.tel..custguid:.1-32750 at 96.119.231. 
> 239...x-tracking-id:.820..X-Trace:.trace-id=1-32750 at 96.119.231.239...x-server-name:.RTCGSM..x-client-name:.IMS
>
> x-source-id:.OpenSIP..user-agent:.OpenSIPv1.11.3..device-id:.1-32750 at XX.YYY.231. 
> 239...Content-Length:.211....{"participantsInfo" 
> :["2155551212"],"callType":"audio","instanceId": "1-32750 at XX.YYY. 
> 231.239. 
> <mailto:1-32750 at XX.YYY.%20231.239.>","fromUID":"pp","fromTN":"pp","isOpenSipRequest":true," 
> displayName":"Call.From.IMS","deviceType":"Android/iOS/STB/IMS"}
>
> 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
>
>         0x0000:  6000 0000 0020 063a 2001 0558 fc11 0000  `......:...X....
>
>         0x0010:  f816 3eff fe11 d5aa 2001 0558 fc0b 0100  ..>........X....
>
>         0x0020:  f816 3eff fed5 0bfe 1f90 aefd f24b 4280  ..>..........KB.
>
>         0x0030:  c80c ffd1 8010 003b c0cd 0000 0101 080a  .......;........
>
>         0x0040:  6999 d289 d5e1 47ea                      i.....G.
>
> 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
>
>         0x0000:  6000 0000 0185 063a 2001 0558 fc11 0000  `......:...X....
>
>         0x0010:  f816 3eff fe11 d5aa 2001 0558 fc0b 0100  ..>........X....
>
>         0x0020:  f816 3eff fed5 0bfe 1f90 aefd f24b 4280  ..>..........KB.
>
>         0x0030:  c80c ffd1 8018 003b 8583 0000 0101 080a  .......;........
>
>         0x0040:  6999 d2f3 d5e1 47ea 4854 5450 2f31 2e31  i.....G.HTTP/1.1
>
>         0x0050:  2032 3030 204f 4b0d 0a53 6572 7665 723a  .200.OK..Server:
>
>>
> Regards,
> Agalya
>
> *From:*Ramachandran, Agalya (Contractor)
> *Sent:* Friday, August 26, 2016 12:01 PM
> *To:* 'Liviu Chircu' <liviu at opensips.org <mailto:liviu at opensips.org>>
> *Subject:* RE: FW: [OpenSIPS-Users] Asynchronous operation for REST 
> queries
>
> Hi Liviu,
>
> As I already emailed you, to contribute the source code there is some 
> approval process in our organization.
>
> If that goes though I can contribute the REST PUT code.
>
> But I have a question in async operation in opensips.
>
> 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.
>
> Why there is a huge wait time of 10sec?
>
> 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)
>
> for (i = 0; i < busy_wait; i += check_time) {…..}
>
> Wondering and interested to know about this delay time.
>
> Please bear some of your timeJ. Thanks in advance.
>
> Regards,
>
> Agalya
>
> *From:*Liviu Chircu [mailto:liviu at opensips.org]
> *Sent:* Thursday, August 18, 2016 10:14 AM
> *To:* Ramachandran, Agalya (Contractor) 
> <Agalya_Ramachandran at comcast.com <mailto:Agalya_Ramachandran at comcast.com>>
> *Subject:* Re: FW: [OpenSIPS-Users] Asynchronous operation for REST 
> queries
>
> Hi Agalya,
>
> 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.
>
> Liviu Chircu
> OpenSIPS Developer
> http://www.opensips-solutions.com

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