A patch went in earlier this week on this issue. Mike On Nov 16, 2010, at 5:37 AM, David Brazier wrote:

[same as last message, better formatting!]

Hi All

I want to get session variables on all events. I have tried using the "verbose-events" dialplan app but that isn't convenient to use when bridging. So I have set

<param name="verbose-channel-events" value="yes"/>

in switch.conf.xml & restarted to make sure. But I still don't see variables on all events, for example CHANNEL_CALLSTATE. In the source code, there are 3 related flags:

1. CF_VERBOSE_EVENTS - the "channel flag" set by the "verbose-events" dialpan app

2. SCF_VERBOSE_EVENTS - the "switch control flag", set by "verbose-channel-events" in switch.conf.xml

3. SCSC_VERBOSE_EVENTS - used by "fsctl verbose_events" - actually SCSC_VERBOSE_EVENTS is only an internal name for the command - using "fsctl verbose_events" sets or clears SCF_VERBOSE_EVENTS

In switch_core.c the SCSC_ flags are accessed via switch_core_session_ctl:

SWITCH_DECLARE(int32_t) switch_core_session_ctl(switch_session_ctl_t cmd, void *val) { int *intval = (int *) val; int oldintval = 0, newintval = 0;

if (intval) { oldintval = *intval; }

if (switch_test_flag((&runtime), SCF_SHUTTING_DOWN)) { return -1; }

switch (cmd) { case SCSC_VERBOSE_EVENTS: if (intval) { if (oldintval > -1) { if (oldintval) { switch_set_flag((&runtime), SCF_VERBOSE_EVENTS); } else { switch_clear_flag((&runtime), SCF_VERBOSE_EVENTS); } } newintval = switch_test_flag((&runtime), SCF_VERBOSE_EVENTS); } break; ... }

if (intval) { *intval = newintval; }

return 0; }

If I read this right, the caller can use this to just get the flag without setting it by setting val to -1 initially. However, in switch_channel.c where it is deciding whether to do a verbose event:

SWITCH_DECLARE(void) switch_channel_event_set_extended_data(switch_channel_t *channel, switch_event_t *event) { switch_event_header_t *hi; int x, global_verbose_events = 0;

switch_mutex_lock(channel->profile_mutex);

switch_core_session_ctl(SCSC_VERBOSE_EVENTS, &global_verbose_events);

if (global_verbose_events || switch_channel_test_flag(channel, CF_VERBOSE_EVENTS) || switch_event_get_header(event, "presence-data-cols") || event->event_id == SWITCH_EVENT_CHANNEL_CREATE || event->event_id == SWITCH_EVENT_CHANNEL_ORIGINATE || ...) // then add the variables to the event

Because this does "global_verbose_events = 0" it always clears SCF_VERBOSE_EVENTS.

I could easily have misuderstood, and if anyone else has had success with "verbose-channel-events" please let me know.

Cheers

David

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