[Freeswitch-users] Memory leak when using ESL
Anthony Minessale
anthony.minessale at gmail.com
Sat Nov 16 07:35:29 MSK 2013
I've explained it all already.
Your app needs to shutdown cleanly and close everything to know for sure.
Please stop reporting bugs here.
http://jira.freeswitch.org is specifically for issues.
On Nov 15, 2013 10:13 PM, "gggyniidt" <gggyniidt at gmail.com> wrote:
> Sorry,I reply this late.
> In these days I did some test for esl client app.My code like this:
>
> #include <stdio.h>
> #include <stdlib.h>
> #include <esl.h>
>
>
> static void mycallback(esl_socket_t server_sock, esl_socket_t client_sock,
> struct sockaddr_in *addr)
> {
> esl_handle_t handle = {{0}};
> int done = 0;
> esl_status_t status;
> time_t exp = 0;
>
> esl_attach_handle(&handle, client_sock, addr);
>
> esl_log(ESL_LOG_INFO, "Connected! %d\n", handle.sock);
>
> esl_filter(&handle, "unique-id", esl_event_get_header(handle.info_event,
> "caller-unique-id"));
> esl_events(&handle, ESL_EVENT_TYPE_PLAIN, "SESSION_HEARTBEAT
> CHANNEL_ANSWER CHANNEL_ORIGINATE CHANNEL_PROGRESS CHANNEL_HANGUP "
> "CHANNEL_BRIDGE CHANNEL_UNBRIDGE CHANNEL_OUTGOING CHANNEL_EXECUTE
> CHANNEL_EXECUTE_COMPLETE DTMF CUSTOM conference::maintenance");
>
> esl_send_recv(&handle, "linger");
>
> esl_execute(&handle, "set", "recfile=/usr/local/rec/test.gsm", NULL);
> esl_send_recv(&handle,"api sofia status profile internal reg
> 6100010030100\n\n");
> char *b=esl_event_get_body(handle.last_sr_event);
> printf("%s\r\n", b);
>
> esl_send_recv(&handle,"api sofia status profile internal reg
> 6100010030200\n\n");
> b=esl_event_get_body(handle.last_sr_event);
> printf("%s\r\n", b);
>
>
> while((status = esl_recv_timed(&handle, 1000)) != ESL_FAIL) {
> if (done) {
> if (time(NULL) >= exp) {
> break;
> }
> } else if (status == ESL_SUCCESS) {
> const char *type = esl_event_get_header(handle.last_event,
> "content-type");
> if (type && !strcasecmp(type, "text/disconnect-notice")) {
> const char *dispo = esl_event_get_header(handle.last_event,
> "content-disposition");
> esl_log(ESL_LOG_INFO, "Got a disconnection notice dispostion: [%s]\n",
> dispo ? dispo : "");
> if (dispo && !strcmp(dispo, "linger")) {
> done = 1;
> esl_log(ESL_LOG_INFO, "Waiting 5 seconds for any remaining events.\n");
> exp = time(NULL) + 5;
> }
> }
> }
> }
>
> esl_log(ESL_LOG_INFO, "Disconnected! %d\n", handle.sock);
> esl_disconnect(&handle);
> }
>
> int main(){
> esl_global_set_default_logger(0);
> esl_listen_threaded("localhost", 8084, mycallback, 100000);
> return 0;
> }
>
>
> I made 10 calls from a rtmp client to a eyeBeam client. sometimes there
> was no lake, but sometimes there was still a leak .
> The valgrind full log as follows
>
> valgrind --tool=memcheck --leak-check=full ./wtdpl
> ==11071== Memcheck, a memory error detector
>
> ==11071== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
>
> ==11071== Using Valgrind-3.9.0 and LibVEX; rerun with -h for copyright
> info
> ==11071== Command: ./wtdpl
>
> ==11071==
>
>
> Registrations:
>
> =================================================================================================
> Call-ID: Y2VkZjY4MzY4OTFmZDMxZjJkY2FkNmQ1OWZkNjg5YTU.
>
> User: 6100010030100 at 192.168.1.200
>
> Contact: "abc" <sip:6100010030100 at 192.168.1.6:2964;rinstance=239a1e88dd886ca0>
>
> Agent: eyeBeam release 1011d stamp 40820
>
> Status: Registered(UDP)(unknown) EXP(2013-11-16 12:31:53)
> EXPSECS(2321)
> Host: test.u1u2u3.com
>
> IP: 192.168.1.6
>
> Port: 2964
>
> Auth-User: 6100010030100
>
> Auth-Realm: 192.168.1.200
>
> MWI-Account: 6100010030100 at 192.168.1.200
>
>
> Total items returned: 1
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Total items returned: 0
>
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Call-ID: Y2VkZjY4MzY4OTFmZDMxZjJkY2FkNmQ1OWZkNjg5YTU.
>
> User: 6100010030100 at 192.168.1.200
>
> Contact: "abc" <sip:6100010030100 at 192.168.1.6:2964;rinstance=239a1e88dd886ca0>
>
> Agent: eyeBeam release 1011d stamp 40820
>
> Status: Registered(UDP)(unknown) EXP(2013-11-16 12:31:53)
> EXPSECS(2320)
> Host: test.u1u2u3.com
>
> IP: 192.168.1.6
>
> Port: 2964
>
> Auth-User: 6100010030100
>
> Auth-Realm: 192.168.1.200
>
> MWI-Account: 6100010030100 at 192.168.1.200
>
>
> Total items returned: 1
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Total items returned: 0
>
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Call-ID: Y2VkZjY4MzY4OTFmZDMxZjJkY2FkNmQ1OWZkNjg5YTU.
>
> User: 6100010030100 at 192.168.1.200
>
> Contact: "abc" <sip:6100010030100 at 192.168.1.6:2964;rinstance=239a1e88dd886ca0>
>
> Agent: eyeBeam release 1011d stamp 40820
>
> Status: Registered(UDP)(unknown) EXP(2013-11-16 12:31:53)
> EXPSECS(2319)
> Host: test.u1u2u3.com
>
> IP: 192.168.1.6
>
> Port: 2964
>
> Auth-User: 6100010030100
>
> Auth-Realm: 192.168.1.200
>
> MWI-Account: 6100010030100 at 192.168.1.200
>
>
> Total items returned: 1
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Total items returned: 0
>
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Call-ID: Y2VkZjY4MzY4OTFmZDMxZjJkY2FkNmQ1OWZkNjg5YTU.
>
> User: 6100010030100 at 192.168.1.200
>
> Contact: "abc" <sip:6100010030100 at 192.168.1.6:2964;rinstance=239a1e88dd886ca0>
>
> Agent: eyeBeam release 1011d stamp 40820
>
> Status: Registered(UDP)(unknown) EXP(2013-11-16 12:31:53)
> EXPSECS(2318)
> Host: test.u1u2u3.com
>
> IP: 192.168.1.6
>
> Port: 2964
>
> Auth-User: 6100010030100
>
> Auth-Realm: 192.168.1.200
>
> MWI-Account: 6100010030100 at 192.168.1.200
>
>
> Total items returned: 1
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Total items returned: 0
>
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Call-ID: Y2VkZjY4MzY4OTFmZDMxZjJkY2FkNmQ1OWZkNjg5YTU.
>
> User: 6100010030100 at 192.168.1.200
>
> Contact: "abc" <sip:6100010030100 at 192.168.1.6:2964;rinstance=239a1e88dd886ca0>
>
> Agent: eyeBeam release 1011d stamp 40820
>
> Status: Registered(UDP)(unknown) EXP(2013-11-16 12:31:53)
> EXPSECS(2316)
> Host: test.u1u2u3.com
>
> IP: 192.168.1.6
>
> Port: 2964
>
> Auth-User: 6100010030100
>
> Auth-Realm: 192.168.1.200
>
> MWI-Account: 6100010030100 at 192.168.1.200
>
>
> Total items returned: 1
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Total items returned: 0
>
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Call-ID: Y2VkZjY4MzY4OTFmZDMxZjJkY2FkNmQ1OWZkNjg5YTU.
>
> User: 6100010030100 at 192.168.1.200
>
> Contact: "abc" <sip:6100010030100 at 192.168.1.6:2964;rinstance=239a1e88dd886ca0>
>
> Agent: eyeBeam release 1011d stamp 40820
>
> Status: Registered(UDP)(unknown) EXP(2013-11-16 12:31:53)
> EXPSECS(2315)
> Host: test.u1u2u3.com
>
> IP: 192.168.1.6
>
> Port: 2964
>
> Auth-User: 6100010030100
>
> Auth-Realm: 192.168.1.200
>
> MWI-Account: 6100010030100 at 192.168.1.200
>
>
> Total items returned: 1
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Total items returned: 0
>
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Call-ID: Y2VkZjY4MzY4OTFmZDMxZjJkY2FkNmQ1OWZkNjg5YTU.
>
> User: 6100010030100 at 192.168.1.200
>
> Contact: "abc" <sip:6100010030100 at 192.168.1.6:2964;rinstance=239a1e88dd886ca0>
>
> Agent: eyeBeam release 1011d stamp 40820
>
> Status: Registered(UDP)(unknown) EXP(2013-11-16 12:31:53)
> EXPSECS(2314)
> Host: test.u1u2u3.com
>
> IP: 192.168.1.6
>
> Port: 2964
>
> Auth-User: 6100010030100
>
> Auth-Realm: 192.168.1.200
>
> MWI-Account: 6100010030100 at 192.168.1.200
>
>
> Total items returned: 1
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Total items returned: 0
>
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Call-ID: Y2VkZjY4MzY4OTFmZDMxZjJkY2FkNmQ1OWZkNjg5YTU.
>
> User: 6100010030100 at 192.168.1.200
>
> Contact: "abc" <sip:6100010030100 at 192.168.1.6:2964;rinstance=239a1e88dd886ca0>
>
> Agent: eyeBeam release 1011d stamp 40820
>
> Status: Registered(UDP)(unknown) EXP(2013-11-16 12:31:53)
> EXPSECS(2313)
> Host: test.u1u2u3.com
>
> IP: 192.168.1.6
>
> Port: 2964
>
> Auth-User: 6100010030100
>
> Auth-Realm: 192.168.1.200
>
> MWI-Account: 6100010030100 at 192.168.1.200
>
>
> Total items returned: 1
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Total items returned: 0
>
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Call-ID: Y2VkZjY4MzY4OTFmZDMxZjJkY2FkNmQ1OWZkNjg5YTU.
>
> User: 6100010030100 at 192.168.1.200
>
> Contact: "abc" <sip:6100010030100 at 192.168.1.6:2964;rinstance=239a1e88dd886ca0>
>
> Agent: eyeBeam release 1011d stamp 40820
>
> Status: Registered(UDP)(unknown) EXP(2013-11-16 12:31:53)
> EXPSECS(2312)
> Host: test.u1u2u3.com
>
> IP: 192.168.1.6
>
> Port: 2964
>
> Auth-User: 6100010030100
>
> Auth-Realm: 192.168.1.200
>
> MWI-Account: 6100010030100 at 192.168.1.200
>
>
> Total items returned: 1
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Total items returned: 0
>
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Call-ID: Y2VkZjY4MzY4OTFmZDMxZjJkY2FkNmQ1OWZkNjg5YTU.
>
> User: 6100010030100 at 192.168.1.200
>
> Contact: "abc" <sip:6100010030100 at 192.168.1.6:2964;rinstance=239a1e88dd886ca0>
>
> Agent: eyeBeam release 1011d stamp 40820
>
> Status: Registered(UDP)(unknown) EXP(2013-11-16 12:31:53)
> EXPSECS(2310)
> Host: test.u1u2u3.com
>
> IP: 192.168.1.6
>
> Port: 2964
>
> Auth-User: 6100010030100
>
> Auth-Realm: 192.168.1.200
>
> MWI-Account: 6100010030100 at 192.168.1.200
>
>
> Total items returned: 1
>
> =================================================================================================
>
>
> Registrations:
>
> =================================================================================================
> Total items returned: 0
>
>
> =================================================================================================
>
> ^C==11071==
> ==11071== HEAP SUMMARY:
> ==11071== in use at exit: 26,309,844 bytes in 2,639 blocks
> ==11071== total heap usage: 14,394 allocs, 11,755 frees, 66,216,694
> bytes allocated
> ==11071==
> ==11071== 1,152 bytes in 4 blocks are possibly lost in loss record 41 of 51
> ==11071== at 0x4A0580F: calloc (vg_replace_malloc.c:618)
> ==11071== by 0x34C9E11892: _dl_allocate_tls (in /lib64/ld-2.12.so)
> ==11071== by 0x34CAA07068: pthread_create@@GLIBC_2.2.5 (in /lib64/
> libpthread-2.12.so)
> ==11071== by 0x405CFC: esl_thread_create_detached_ex
> (esl_threadmutex.c:118)
> ==11071== by 0x402410: esl_listen_threaded (esl.c:771)
> ==11071== by 0x401CD6: main (wtdpl.cpp:58)
> ==11071==
> ==11071== 4,008 (88 direct, 3,920 indirect) bytes in 1 blocks are
> definitely lost in loss record 43 of 51
> ==11071== at 0x4A06AAA: malloc (vg_replace_malloc.c:291)
> ==11071== by 0x4056B1: esl_event_create_subclass (esl_event.c:179)
> ==11071== by 0x402B33: esl_recv_event (esl.c:1245)
> ==11071== by 0x4033E5: esl_send_recv_timed (esl.c:1517)
> ==11071== by 0x401AE1: mycallback(int, int, sockaddr_in*) (wtdpl.cpp:28)
> ==11071== by 0x40209F: client_thread (esl.c:654)
> ==11071== by 0x405D37: thread_launch (esl_threadmutex.c:74)
> ==11071== by 0x34CAA07850: start_thread (in /lib64/libpthread-2.12.so)
> ==11071== by 0x34CA6E890C: clone (in /lib64/libc-2.12.so)
> ==11071==
> ==11071== LEAK SUMMARY:
> ==11071== definitely lost: 88 bytes in 1 blocks
> ==11071== indirectly lost: 3,920 bytes in 10 blocks
> ==11071== possibly lost: 1,152 bytes in 4 blocks
> ==11071== still reachable: 26,304,684 bytes in 2,624 blocks
> ==11071== suppressed: 0 bytes in 0 blocks
> ==11071== Reachable blocks (those to which a pointer was found) are not
> shown.
> ==11071== To see them, rerun with: --leak-check=full --show-leak-kinds=all
> ==11071==
> ==11071== For counts of detected and suppressed errors, rerun with: -v
> ==11071== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 4 from 4)
>
>
> Looking forward to your help
>
>
> 2013/11/14 Anthony Minessale <anthony.minessale at gmail.com>
>
>> I dug into ESL for a while.
>>
>> I ran into some issues that I corrected but the only thing that I can see
>> that would show up as a memory leak looking like what you show there is if
>> you are doing a forking server and you are calling fork after you create or
>> attach the handle.
>>
>> Make sure you fork at the beginning or you will duplicate the handle and
>> all the memory its using and it will never be destroyed.
>>
>> If you do "make" in esl dir you will have a default app "testserver_fork"
>> you can run and point to it with socket app to port 8040.
>> Running it on valgrind with full leak detection gives me.
>>
>>
>> ==11807== Memcheck, a memory error detector
>> ==11807== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
>> ==11807== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright
>> info
>> ==11807== Command: ./testserver
>> ==11807== Parent PID: 28177
>> ==11807==
>> ==11820==
>> ==11820== HEAP SUMMARY:
>> ==11820== in use at exit: 0 bytes in 0 blocks
>> ==11820== total heap usage: 5,555 allocs, 5,555 frees, 7,293,931 bytes
>> allocated
>> ==11820==
>> ==11820== All heap blocks were freed -- no leaks are possible
>> ==11820==
>> ==11820== For counts of detected and suppressed errors, rerun with: -v
>> ==11820== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 4 from 4)
>> ==11807==
>> ==11807== HEAP SUMMARY:
>> ==11807== in use at exit: 0 bytes in 0 blocks
>> ==11807== total heap usage: 0 allocs, 0 frees, 0 bytes allocated
>> ==11807==
>> ==11807== All heap blocks were freed -- no leaks are possible
>> ==11807==
>> ==11807== For counts of detected and suppressed errors, rerun with: -v
>> ==11807== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 4 from 4)
>>
>>
>>
>>
>>
>> On Wed, Nov 13, 2013 at 7:21 AM, Dmitry Sytchev <kbdfck at gmail.com> wrote:
>>
>>> Please create a JIRA ticket with your information!
>>>
>>>
>>> 2013/11/13 gggyniidt <gggyniidt at gmail.com>
>>>
>>>> Thanks for Dmitry and Anthony's help, But my problem is not like Dmitry
>>>> said.
>>>>
>>>> My program is a esl client. The leak is from esl client, not freeswitch.
>>>>
>>>> I add the Anthony's patch code into esl.c,but it doesn't work. Each
>>>> call will cause the 20-40KB of memory growth.
>>>>
>>>> I make 3 calls, the valgrind outputs like this
>>>>
>>>> ==14459== 90,642 (264 direct, 90,378 indirect) bytes in 3 blocks are
>>>> definitely lost in loss record 403 of 408
>>>> ==14459== at 0x4A06AAA: malloc (vg_replace_malloc.c:291)
>>>>
>>>> ==14459== by 0x414524: esl_event_create_subclass (esl_event.c:179)
>>>>
>>>> ==14459== by 0x412054: esl_recv_event (esl.c:1245)
>>>>
>>>> ==14459== by 0x411C38: esl_recv_event_timed (esl.c:1137)
>>>>
>>>> ==14459== by 0x412E22: esl_send_recv_timed (esl.c:1521)
>>>>
>>>> ==14459== by 0x410C06: esl_execute (esl.c:555)
>>>>
>>>> ==14459== by 0x4087A8: CRBT::Route() (CRBT.cpp:42)
>>>>
>>>> ==14459== by 0x409FE6: DPL::route() (DPL.cpp:286)
>>>>
>>>> ==14459== by 0x40FBE0: mycallback(int, int, sockaddr_in*)
>>>> (listener.cpp:47)
>>>> ==14459== by 0x410FED: client_thread (esl.c:654)
>>>>
>>>> ==14459== by 0x41A334: thread_launch (esl_threadmutex.c:74)
>>>>
>>>> ==14459== by 0x34CAA07850: start_thread (in /lib64/
>>>> libpthread-2.12.so)
>>>> ==14459==
>>>>
>>>> ==14459== LEAK SUMMARY:
>>>> ==14459== definitely lost: 264 bytes in 3 blocks
>>>> ==14459== indirectly lost: 90,378 bytes in 228 blocks
>>>> ==14459== possibly lost: 550,082 bytes in 51 blocks
>>>> ==14459== still reachable: 832,938 bytes in 840 blocks
>>>> ==14459== suppressed: 0 bytes in 0 blocks
>>>> ==14459== Reachable blocks (those to which a pointer was found) are not
>>>> shown.
>>>> ==14459== To see them, rerun with: --leak-check=full
>>>> --show-leak-kinds=all
>>>>
>>>> I checked my code and no leak found. The leak may be in esl.c.
>>>>
>>>>
>>>>
>>>> 2013/11/13 Anthony Minessale <anthony.minessale at gmail.com>
>>>>
>>>>> You are showing valgrind traces of ESL client code but now you are
>>>>> saying your FS process has memory growth not the ESL app?
>>>>> You should be doing this on jira and you should have more details
>>>>> about the env.
>>>>> This mailing list is not for bug reports.
>>>>>
>>>>> I did push a patch for what I think might be the problem you showed on
>>>>> esl lib.
>>>>>
>>>>> FS can use up to a gig of memory without giving it back. To make sure
>>>>> you have a real memory leak you need to have it never peak but continue to
>>>>> grow.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Nov 12, 2013 at 11:17 AM, Dmitry Sytchev <kbdfck at gmail.com>wrote:
>>>>>
>>>>>> I can confirm significant Freeswitch process memory growth over time
>>>>>> when ESL is used intensively, from 100MB in normal case to 700-900MB after
>>>>>> few hours of high esl load, though I have no valgrind check results, as I
>>>>>> can't do tests at production server.
>>>>>> With less than 300 channels in peak we have 900MB FS process size,
>>>>>> never shrinking back :(
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> 2013/11/12 gggyniidt <gggyniidt at gmail.com>
>>>>>>
>>>>>>> Hello
>>>>>>> Using ESL found a memory leak problem
>>>>>>> valgrind --tool=memcheck --leak-check=full ./myprog
>>>>>>> output as follows
>>>>>>>
>>>>>>> ==6872== 29,986 (88 direct, 29,898 indirect) bytes in 1 blocks are
>>>>>>> definitely lost in loss record 401 of 408
>>>>>>> ==6872== at 0x4A06AAA: malloc (vg_replace_malloc.c:291)
>>>>>>> ==6872== by 0x413941: esl_event_create_subclass (esl_event.c:179)
>>>>>>>
>>>>>>> ==6872== by 0x410DC3: esl_recv_event (esl.c:1245)
>>>>>>>
>>>>>>> ==6872== by 0x411675: esl_send_recv_timed (esl.c:1517)
>>>>>>>
>>>>>>> ==6872== by 0x411C1B: esl_execute (esl.c:555)
>>>>>>>
>>>>>>> ==6872== by 0x408758: CRBT::Route() (CRBT.cpp:42)
>>>>>>>
>>>>>>> ==6872== by 0x40A02F: DPL::route() (DPL.cpp:234)
>>>>>>>
>>>>>>> ==6872== by 0x40FCA8: mycallback(int, int, sockaddr_in*)
>>>>>>> (listener.cpp:47)
>>>>>>> ==6872== by 0x41032F: client_thread (esl.c:654)
>>>>>>>
>>>>>>> ==6872== by 0x413FC7: thread_launch (esl_threadmutex.c:74)
>>>>>>>
>>>>>>> ==6872== by 0x34CAA07850: start_thread (in /lib64/
>>>>>>> libpthread-2.12.so)
>>>>>>>
>>>>>>> ==6872== by 0x34CA6E890C: clone (in /lib64/libc-2.12.so)
>>>>>>>
>>>>>>>
>>>>>>> ==6872== LEAK SUMMARY:
>>>>>>> ==6872== definitely lost: 88 bytes in 1 blocks
>>>>>>> ==6872== indirectly lost: 29,898 bytes in 76 blocks
>>>>>>> ==6872== possibly lost: 550,082 bytes in 51 blocks
>>>>>>> ==6872== still reachable: 832,937 bytes in 840 blocks
>>>>>>> ==6872== suppressed: 0 bytes in 0 blocks
>>>>>>> ==6872== Reachable blocks (those to which a pointer was found) are
>>>>>>> not shown.
>>>>>>> ==6872== To see them, rerun with: --leak-check=full
>>>>>>> --show-leak-kinds=all
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Part of my code is as follows
>>>>>>>
>>>>>>> bool CRBT::Route() {
>>>>>>> string data = "ringback=file_string://";
>>>>>>> data.append(FileName);
>>>>>>>
>>>>>>> esl_execute(handle, "set", data.c_str(), NULL);
>>>>>>> return true;
>>>>>>> }
>>>>>>>
>>>>>>> The OS version is Centos x86_64 6.3
>>>>>>> The Freeswitch version is 1.2.13
>>>>>>>
>>>>>>> Thanks for your help.
>>>>>>>
>>>>>>>
>>>>>>> _________________________________________________________________________
>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>> consulting at freeswitch.org
>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Official FreeSWITCH Sites
>>>>>>> http://www.freeswitch.org
>>>>>>> http://wiki.freeswitch.org
>>>>>>> http://www.cluecon.com
>>>>>>>
>>>>>>> FreeSWITCH-users mailing list
>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>> UNSUBSCRIBE:
>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>> http://www.freeswitch.org
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Best regards,
>>>>>>
>>>>>> Dmitry Sytchev,
>>>>>> IT Engineer
>>>>>>
>>>>>>
>>>>>> _________________________________________________________________________
>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>> consulting at freeswitch.org
>>>>>> http://www.freeswitchsolutions.com
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> Official FreeSWITCH Sites
>>>>>> http://www.freeswitch.org
>>>>>> http://wiki.freeswitch.org
>>>>>> http://www.cluecon.com
>>>>>>
>>>>>> FreeSWITCH-users mailing list
>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>> UNSUBSCRIBE:
>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>> http://www.freeswitch.org
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Anthony Minessale II
>>>>>
>>>>> FreeSWITCH http://www.freeswitch.org/
>>>>> ClueCon http://www.cluecon.com/
>>>>> Twitter: http://twitter.com/FreeSWITCH_wire
>>>>>
>>>>> AIM: anthm
>>>>> MSN:anthony_minessale at hotmail.com
>>>>> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com
>>>>> IRC: irc.freenode.net #freeswitch
>>>>>
>>>>> FreeSWITCH Developer Conference
>>>>> sip:888 at conference.freeswitch.org
>>>>> googletalk:conf+888 at conference.freeswitch.org
>>>>> pstn:+19193869900
>>>>>
>>>>>
>>>>> _________________________________________________________________________
>>>>> Professional FreeSWITCH Consulting Services:
>>>>> consulting at freeswitch.org
>>>>> http://www.freeswitchsolutions.com
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Official FreeSWITCH Sites
>>>>> http://www.freeswitch.org
>>>>> http://wiki.freeswitch.org
>>>>> http://www.cluecon.com
>>>>>
>>>>> FreeSWITCH-users mailing list
>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>> UNSUBSCRIBE:
>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>> http://www.freeswitch.org
>>>>>
>>>>>
>>>>
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> http://www.freeswitchsolutions.com
>>>>
>>>>
>>>>
>>>>
>>>> Official FreeSWITCH Sites
>>>> http://www.freeswitch.org
>>>> http://wiki.freeswitch.org
>>>> http://www.cluecon.com
>>>>
>>>> FreeSWITCH-users mailing list
>>>> FreeSWITCH-users at lists.freeswitch.org
>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>> UNSUBSCRIBE:
>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>> http://www.freeswitch.org
>>>>
>>>>
>>>
>>>
>>> --
>>> Best regards,
>>>
>>> Dmitry Sytchev,
>>> IT Engineer
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>>
>>>
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://wiki.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> http://www.freeswitch.org
>>>
>>>
>>
>>
>> --
>> Anthony Minessale II
>>
>> FreeSWITCH http://www.freeswitch.org/
>> ClueCon http://www.cluecon.com/
>> Twitter: http://twitter.com/FreeSWITCH_wire
>>
>> AIM: anthm
>> MSN:anthony_minessale at hotmail.com
>> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com
>> IRC: irc.freenode.net #freeswitch
>>
>> FreeSWITCH Developer Conference
>> sip:888 at conference.freeswitch.org
>> googletalk:conf+888 at conference.freeswitch.org
>> pstn:+19193869900
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>>
>>
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
>
>
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
>
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