Hi Stephen,<br><br>i have resolved this issue, the root cause is that i define the cmd[100], while the actual string leghth exceed this lenght (178), then caused the core dump, now everything runs fine.<br><br>Appreciate for your kinldy help which encourging me to make it done, Cheers!! my friend!<br>
<br>BR,<br>Charles<br><br><div class="gmail_quote">2011/10/25 fieldpeak <span dir="ltr"><<a href="mailto:fieldpeak@gmail.com">fieldpeak@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi Stephen,<br><br>Thanks for your advise, i tried it, i issued below commands, however, i did not find any core named files under freeswitch bin directory, and below is the screen showing, i could you identify the root cause, could you please help, thanks a lot!<br>
<br>gdb -c core.xxx freeswitch<br>ddb>run<br>...(fs running up)<br>gdb>bt full<br><br>freeswitch@freeswitch> 2011-10-25 10:30:44.161051 [WARNING] sofia_reg.c:1337 SIP auth challenge (INVITE) on sofia profile 'internal' for [<a href="mailto:13910936628@124.193.106.104" target="_blank">13910936628@124.193.106.104</a>] from ip 222.128.70.10<br>
2011-10-25 10:30:45.081037 [NOTICE] switch_channel.c:897 New Channel sofia/internal/<a href="mailto:13580358068@124.193.106.104" target="_blank">13580358068@124.193.106.104</a> [38946a57-c673-4705-8433-36f4b066d01c]<br>[New Thread 0xb71d6b90 (LWP 19991)]<br>
is_b is: 0<br>excute external cmd: check_billing_before_answer 13580358068 13910936628 38946a57-c673-4705-8433-36f4b066d01c 9 222.128.70.10<br>2011-10-25 10:30:45.081037 [INFO] mod_nibblebill.c:1017 check_billing_before_routing, in_username: 13580358068, in_calledstation: 13910936628, in_uniqueid: 38946a57-c673-4705-8433-36f4b066d01c in_type: 9, in_network_addr: 222.128.70.10 <br>
Detaching after fork from child process 19992.<div class="im"><br>the result of excuting external cmd: <br>the result of excuting external cmd: 60<br><br></div>Program received signal SIGSEGV, Segmentation fault.<br>[Switching to Thread 0xb71d6b90 (LWP 19991)]<br>
0x008ff698 in switch_core_get_state_handler@plt () from /usr/local/freeswitch/lib/libfreeswitch.so.1<br>(gdb) bt full<br><span style="background-color:rgb(255, 255, 0)">#0 0x008ff698 in switch_core_get_state_handler@plt ()</span><br>
from /usr/local/freeswitch/lib/libfreeswitch.so.1<br>No symbol table info available.<br>#1 0x0092d558 in switch_core_session_run (session=0x81bc238) at src/switch_core_state_machine.c:373<br> global_proceed = 1<br>
proceed = <value optimized out><br> ptr = <value optimized out><br> rstatus = <value optimized out><br> state = <value optimized out><br> endstate = <value optimized out><br>
endpoint_interface = <value optimized out><br> driver_state_handler = 0xcb8420<br> application_state_handler = <value optimized out><br> new_loops = 60000<br> __PRETTY_FUNCTION__ = "switch_core_session_run"<br>
__func__ = "switch_core_session_run"<br>#2 0x009275ca in switch_core_session_thread (thread=0x823fdd8, obj=0x81bc238)<br> at src/switch_core_session.c:1309<br> session = 0x81bc238<br> event = <value optimized out><br>
event_str = 0x0<br> val = <value optimized out><br> __func__ = "switch_core_session_thread"<br> __PRETTY_FUNCTION__ = "switch_core_session_thread"<br>#3 0x009c2d16 in dummy_worker (opaque=0x823fdd8) at threadproc/unix/thread.c:138<br>
---Type <return> to continue, or q <return> to quit---<br>No locals.<br>#4 0x002af832 in start_thread () from /lib/libpthread.so.0<br>No symbol table info available.<br>#5 0x0078145e in clone () from /lib/libc.so.6<br>
No symbol table info available.<br>(gdb) <br><div><div></div><div class="h5"><br><div class="gmail_quote">2011/10/24 Stephen Wilde <span dir="ltr"><<a href="mailto:wstephen80@gmail.com" target="_blank">wstephen80@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
You can issue a:<div><br></div><div>gdb -c core.xxx freeswitch</div><div><br></div><div>in freeswitch bin directory where core.xxx is the name of the generated core dump then, in gdb:</div><div><br></div><div>bt full</div>
<div><br></div><div>to show the stack backtrace</div><div><div></div><div><div><br><div class="gmail_quote">On Mon, Oct 24, 2011 at 11:53 AM, fieldpeak <span dir="ltr"><<a href="mailto:fieldpeak@gmail.com" target="_blank">fieldpeak@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Stephen,<br><br>Thanks for your kindly help, however, i changed it as your advise, the core still dumped.<br><br>below is the updated code,<div>
<br><br>static switch_status_t check_billing_before_routing(switch_core_session_t *session)<br>
{<br> //charles, check billing before routing the call<br> <br> char buf[128];<br></div> <span style="background-color:rgb(255, 255, 0)"> char cmd[100];</span><div><div></div><div><br> FILE *pp = NULL;<br>
<br> const char* in_username = NULL;<br>
const char* in_calledstation = NULL;<br> const char* in_uniqueid = NULL;<br> const char* in_network_addr = NULL;<br> const char* in_type = "9";<br> int is_b;<br> <br> //const char* full_cmd;<br>
int i_continue = 1;<br> switch_channel_t *channel = NULL;<br><br><br> in_uniqueid = switch_core_session_get_uuid(session);<br> <br> channel = switch_core_session_get_channel(session);<br><br> /*only billing on a leg*/<br>
is_b = channel && switch_channel_get_originator_caller_profile(channel);<br> printf("is_b is: %d\n", is_b);<br> if(is_b)<br> {<br> return SWITCH_STATUS_SUCCESS;<br> }<br><br> /* Lock this session's data for this module while we tinker with it */<br>
if (globals.mutex) {<br> switch_mutex_lock(globals.mutex);<br> }<br> <br> <br> in_username = switch_channel_get_variable(channel, "caller_id_number");<br> in_calledstation = switch_channel_get_variable(channel, "destination_number");<br>
in_network_addr = switch_channel_get_variable(channel, "network_addr");<br><br> <br> /* Done checking - release lock */<br> if (globals.mutex) {<br> switch_mutex_unlock(globals.mutex);<br> }<br>
<br><br> switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "check_billing_before_routing, in_username: %s, in_calledstation: %s, in_uniqueid: %s in_type: %s, in_network_addr: %s \n", in_username, in_calledstation, in_uniqueid, in_type, in_network_addr);<br>
<br></div></div> <span style="background-color:rgb(255, 255, 0)"> strcpy(cmd,"");</span><br style="background-color:rgb(255, 255, 0)"><span style="background-color:rgb(255, 255, 0)"> strcat(cmd, "check_billing_before_answer");</span><div>
<div></div><div><br style="background-color:rgb(255, 255, 0)">
<span style="background-color:rgb(255, 255, 0)"> strcat(cmd, " ");</span><br> strcat(cmd, in_username);<br> strcat(cmd, " ");<br> strcat(cmd, in_calledstation);<br> strcat(cmd, " ");<br>
strcat(cmd, in_uniqueid);<br> strcat(cmd, " ");<br> strcat(cmd, in_type);<br> strcat(cmd, " ");<br> strcat(cmd, in_network_addr);<br><br> printf("excute external cmd: ");<br>
printf(cmd);<br> printf("\n");<br><br> if( (pp = popen(cmd, "r")) == NULL )<br> {<br> printf("popen() error!\n");<br> exit(1);<br> }<br><br> while(fgets(buf, sizeof buf, pp))<br>
{<br> printf("the result of excuting external cmd: %s", buf);<br> }<br><br> if(pp)<br> {<br> pclose(pp); <br> }<br><br> i_continue = atoi(buf);<br><br> printf("i_continue: %d", i_continue);<br>
<br><br> if (!i_continue) {<br> <br> switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "call was not authorized to continue \n");<br> <br> transfer_call(session, globals.nobal_action);<br>
}<br><br> <br><br><br> return SWITCH_STATUS_SUCCESS;<br><br>}<br><br><br></div></div><div><div></div><div><div class="gmail_quote">2011/10/24 Stephen Wilde <span dir="ltr"><<a href="mailto:wstephen80@gmail.com" target="_blank">wstephen80@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Can you try to change the allocation of cmd as:<div><br></div><div><span style="font-family:arial, sans-serif;font-size:medium"><table style="padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;border-collapse:collapse;background-color:rgb(255, 255, 255);width:1248px;background-repeat:initial initial" cellpadding="0">
<tbody><tr><td style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:arial, sans-serif;vertical-align:top;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px">
<div style="padding-top:0px;padding-right:0px;padding-bottom:1px;padding-left:0px"><div><div style="color:rgb(0, 0, 0);padding-top:4px;padding-right:8px;padding-bottom:4px;padding-left:8px">
<div><div style="clear:both;padding-bottom:0px"><div style="margin-bottom:10px;border-right-width:1px;border-bottom-width:1px;border-left-width:1px;border-top-style:solid;border-right-style:solid;border-bottom-style:solid;border-left-style:solid;border-top-color:rgb(239, 239, 239);border-right-color:rgb(239, 239, 239);border-left-color:rgb(239, 239, 239);border-bottom-color:rgb(226, 226, 226);border-top-width:0px;border-top-left-radius:7px 7px;border-top-right-radius:7px 7px;border-bottom-right-radius:7px 7px;border-bottom-left-radius:7px 7px;width:999px">
<div style="padding-top:3px;background-color:rgb(255, 255, 255);border-right-width:1px;border-bottom-width:1px;border-left-width:1px;border-right-style:solid;border-bottom-style:solid;border-left-style:solid;border-right-color:rgb(188, 188, 188);border-bottom-color:rgb(188, 188, 188);border-left-color:rgb(188, 188, 188);border-top-width:1px;border-top-style:solid;border-top-color:rgb(188, 188, 188);border-top-left-radius:7px 7px;border-top-right-radius:7px 7px;border-bottom-right-radius:7px 7px;border-bottom-left-radius:7px 7px">
<div><div><div><div><div style="font-size:13px;margin-top:5px;margin-right:15px;margin-bottom:5px;margin-left:15px;padding-bottom:20px">
<div>char cmd[100];</div><div><br></div><div>....</div><div><br></div><div>
<p style="margin:0.0px 0.0px 0.0px 0.0px;font:13.0px Arial"></p><p style="margin:0.0px 0.0px 0.0px 0.0px;font:13.0px Arial">strcat(cmd, "check_billing_before_answer ");</p><p></p>
<p style="margin:0.0px 0.0px 0.0px 0.0px;font:13.0px Arial">strcat(cmd, in_username);</p>
<p style="margin:0.0px 0.0px 0.0px 0.0px;font:13.0px Arial">strcat(cmd, " ");</p><p style="margin:0.0px 0.0px 0.0px 0.0px;font:13.0px Arial"><br></p><p style="margin:0.0px 0.0px 0.0px 0.0px;font:13.0px Arial">....</p>
</div></div></div></div></div></div></div></div></div></div></div></div></div></td></tr></tbody></table></span><font face="arial, sans-serif"><span style="border-collapse:collapse"><br>
</span></font><div class="gmail_quote"><div><div></div><div>On Mon, Oct 24, 2011 at 10:39 AM, fieldpeak <span dir="ltr"><<a href="mailto:fieldpeak@gmail.com" target="_blank">fieldpeak@gmail.com</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div></div><div>
Hi Friends,<br><br>i'm using mod_nibblebill for billing on FS, i bundled event processing<br>fucntions when status change,<br>e.g. /* on_routing */ check_billing_before_routing,<br>and * on_hangup */ process_hangup, as below,<br>
however, i found if i make a call containing two-legs e.g. user 1001 call user 1002, then the FS core dump. but if i only make one leg call, e.g. call 888 for IVR, then no problem occure, i found the problem within function "check_billing_before_routing" (because once i comment all of lines within this func, the core did not dump). below is the func "check_billing_before_routing", can anyone help advise what's wrong? how should i correct it, thanks.<br>
<br>static switch_status_t check_billing_before_routing(switch_core_session_t *session)<br>{<br> //charles, check billing before routing the call<br> <br> char buf[128];<br> char cmd[100] = "check_billing_before_answer";<br>
FILE *pp = NULL;<br><br> const char* in_username = NULL;<br> const char* in_calledstation = NULL;<br> const char* in_uniqueid = NULL;<br> const char* in_network_addr = NULL;<br> const char* in_type = "9";<br>
int is_b;<br> <br> //const char* full_cmd;<br> int i_continue = 1;<br> switch_channel_t *channel = NULL;<br><br><br> in_uniqueid = switch_core_session_get_uuid(session);<br> <br> channel = switch_core_session_get_channel(session);<br>
<br> /*only billing on a leg*/<br> is_b = channel && switch_channel_get_originator_caller_profile(channel);<br> printf("is_b is: %d\n", is_b);<br> if(is_b)<br> {<br> return SWITCH_STATUS_SUCCESS;<br>
}<br><br> /* Lock this session's data for this module while we tinker with it */<br> if (globals.mutex) {<br> switch_mutex_lock(globals.mutex);<br> }<br> <br> <br> in_username = switch_channel_get_variable(channel, "caller_id_number");<br>
in_calledstation = switch_channel_get_variable(channel, "destination_number");<br> in_network_addr = switch_channel_get_variable(channel, "network_addr");<br><br> <br> /* Done checking - release lock */<br>
if (globals.mutex) {<br> switch_mutex_unlock(globals.mutex);<br> }<br> <br><br> switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "check_billing_before_routing, in_username: %s, in_calledstation: %s, in_uniqueid: %s in_type: %s, in_network_addr: %s \n", in_username, in_calledstation, in_uniqueid, in_type, in_network_addr);<br>
<br><br> strcat(cmd, " ");<br> strcat(cmd, in_username);<br> strcat(cmd, " ");<br> strcat(cmd, in_calledstation);<br> strcat(cmd, " ");<br> strcat(cmd, in_uniqueid);<br>
strcat(cmd, " ");<br> strcat(cmd, in_type);<br> strcat(cmd, " ");<br> strcat(cmd, in_network_addr);<br><br> printf("excute external cmd: ");<br> printf(cmd);<br> printf("\n");<br>
<br> if( (pp = popen(cmd, "r")) == NULL )<br> {<br> printf("popen() error!\n");<br> exit(1);<br> }<br><br> while(fgets(buf, sizeof buf, pp))<br> {<br> printf("the result of excuting external cmd: %s", buf);<br>
}<br><br> if(pp)<br> {<br> pclose(pp); <br> }<br><br> i_continue = atoi(buf);<br><br> printf("i_continue: %d", i_continue);<br><br><br> if (!i_continue) {<br> <br> switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "call was not authorized to continue \n");<br>
<br> transfer_call(session, globals.nobal_action);<br> }<br><br> <br><br><br> return SWITCH_STATUS_SUCCESS;<br><br>}<br><br><br><span style="background-color:rgb(255, 255, 51)">Core dump logs:</span><br>
<br>freeswitch@freeswitch> 2011-10-24 16:30:26.583369 [NOTICE] mod_xml_rpc.c:969 Starting HTTP Port 8787, DocRoot [/usr/local/freeswitch/htdocs]<br>2011-10-24 16:30:29.454743 [WARNING] sofia_reg.c:1337 SIP auth challenge (INVITE) on sofia profile 'internal' for [<a href="mailto:6628@224.193.106.204" target="_blank">6628@224.193.106.204</a>] from ip 223.128.70.10<br>
2011-10-24 16:30:30.254710 [NOTICE] switch_channel.c:897 New Channel sofia/internal/<a href="mailto:8068@224.193.106.204" target="_blank">8068@224.193.106.204</a> [196a50b8-eaa0-4ef0-a674-18602117f5ec]<br>is_b is: 0<br>excute external cmd: check_billing_before_answer 8068 6628 196a50b8-eaa0-4ef0-a674-18602117f5ec 9 223.128.70.10<br>
2011-10-24 16:30:30.254710 [INFO] mod_nibblebill.c:1017 check_billing_before_routing, in_username: 8068, in_calledstation: 6628, in_uniqueid: 196a50b8-eaa0-4ef0-a674-18602117f5ec in_type: 9, in_network_addr: 223.128.70.10 <br>
the result of excuting external cmd: <br>the result of excuting external cmd: 60<br>Segmentation fault (core dumped)<br>[root@freeswitch bin]# <br><font color="#888888"><br>-- <br>Regards,<br>Charles<br><br>
</font><br><br></div></div>
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<br></blockquote></div><br><br clear="all"><br></div></div><font color="#888888">-- <br>Regards,<br>Charles<br><br>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Regards,<br>Charles<br><br>
</div></div></blockquote></div><br><br clear="all"><br>-- <br>Regards,<br>Charles<br><br>