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cel: Add STREAM_BEGIN, STREAM_END and DTMF event types.

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Fixes: #1280

UserNote: Enabling the tracking of the
STREAM_BEGIN and the STREAM_END event
types in cel.conf will log media files and
music on hold played to each channel.
The STREAM_BEGIN event's extra field will
contain a JSON with the file details (path,
format and language), or the class name, in
case of music on hold is played. The DTMF
event's extra field will contain a JSON with
the digit and the duration in milliseconds.
pull/1404/head
Sperl Viktor 3 months ago
parent 830dd4656c
commit 0906282f25
6 changed files with 98 additions and 16 deletions
Show Stats Download Patch File Download Diff File

6
configs/samples/cel.conf.sample
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@ -59,6 +59,12 @@ apps=dial,park
; USER_DEFINED -- Triggered from the dialplan, and has a name given by the
; user
; LOCAL_OPTIMIZE -- A local channel pair is optimizing away.
; STREAM_BEGIN -- A stream started playing: it can be a standalone sound file
; playing back, or a music-on-hold class started
; STREAM_END -- A playing stream ended
; DTMF -- A DTMF digit was processed: these events are dispatched at the
; end, when the button is released and the duration is present in
; the extra field
;
; Default value: none
; (Track no events)

6
include/asterisk/cel.h
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@ -77,6 +77,12 @@ enum ast_cel_event_type {
AST_CEL_LOCAL_OPTIMIZE = 17,
/*! \brief A local channel optimization has begun */
AST_CEL_LOCAL_OPTIMIZE_BEGIN = 18,
/*! \brief A stream started */
AST_CEL_STREAM_BEGIN = 19,
/*! \brief A stream ended */
AST_CEL_STREAM_END = 20,
/*! \brief A DTMF digit was processed */
AST_CEL_DTMF = 21,
};
/*!

21
main/cel.c
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@ -118,6 +118,9 @@
<enum name="LINKEDID_END"/>
<enum name="LOCAL_OPTIMIZE"/>
<enum name="LOCAL_OPTIMIZE_BEGIN"/>
<enum name="STREAM_BEGIN"/>
<enum name="STREAM_END"/>
<enum name="DTMF"/>
</enumlist>
</description>
</configOption>
@ -338,6 +341,9 @@ static const char * const cel_event_types[CEL_MAX_EVENT_IDS] = {
[AST_CEL_LINKEDID_END] = "LINKEDID_END",
[AST_CEL_LOCAL_OPTIMIZE] = "LOCAL_OPTIMIZE",
[AST_CEL_LOCAL_OPTIMIZE_BEGIN] = "LOCAL_OPTIMIZE_BEGIN",
[AST_CEL_STREAM_BEGIN] = "STREAM_BEGIN",
[AST_CEL_STREAM_END] = "STREAM_END",
[AST_CEL_DTMF] = "DTMF",
};
struct cel_backend {
@ -849,12 +855,8 @@ int ast_cel_fill_record(const struct ast_event *e, struct ast_cel_event_record *
r->event_time.tv_usec = ast_event_get_ie_uint(e, AST_EVENT_IE_CEL_EVENT_TIME_USEC);
r->event_name = ast_cel_get_type_name(r->event_type);
if (r->event_type == AST_CEL_USER_DEFINED) {
r->user_defined_name = ast_event_get_ie_str(e, AST_EVENT_IE_CEL_USEREVENT_NAME);
} else {
r->user_defined_name = "";
}
r->user_defined_name= S_OR(ast_event_get_ie_str(e, AST_EVENT_IE_CEL_USEREVENT_NAME), "");
r->caller_id_name = S_OR(ast_event_get_ie_str(e, AST_EVENT_IE_CEL_CIDNAME), "");
r->caller_id_num = S_OR(ast_event_get_ie_str(e, AST_EVENT_IE_CEL_CIDNUM), "");
r->caller_id_ani = S_OR(ast_event_get_ie_str(e, AST_EVENT_IE_CEL_CIDANI), "");
@ -1282,6 +1284,8 @@ static void cel_generic_cb(
switch (event_type) {
case AST_CEL_USER_DEFINED:
case AST_CEL_DTMF:
case AST_CEL_STREAM_BEGIN:
{
const char *event = ast_json_string_get(ast_json_object_get(event_details, "event"));
struct ast_json *extra = ast_json_object_get(event_details, "extra");
@ -1289,6 +1293,13 @@ static void cel_generic_cb(
event, extra, NULL);
break;
}
case AST_CEL_STREAM_END:
{
const char *event = ast_json_string_get(ast_json_object_get(event_details, "event"));
cel_report_event(obj->snapshot, event_type, stasis_message_timestamp(message),
event, NULL, NULL);
break;
}
default:
ast_log(LOG_ERROR, "Unhandled %s event blob\n", ast_cel_get_type_name(event_type));
break;

34
main/channel.c
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@ -42,6 +42,7 @@
#include "asterisk/mod_format.h"
#include "asterisk/sched.h"
#include "asterisk/channel.h"
#include "asterisk/cel.h"
#include "asterisk/musiconhold.h"
#include "asterisk/say.h"
#include "asterisk/file.h"
@ -3343,34 +3344,45 @@ static const char *dtmf_direction_to_string(enum DtmfDirection direction)
static void send_dtmf_begin_event(struct ast_channel *chan,
enum DtmfDirection direction, const char digit)
{
RAII_VAR(struct ast_json *, blob, NULL, ast_json_unref);
RAII_VAR(struct ast_json *, channel_blob, NULL, ast_json_unref);
char digit_str[] = { digit, '\0' };
blob = ast_json_pack("{ s: s, s: s }",
channel_blob = ast_json_pack("{ s: s, s: s }",
"digit", digit_str,
"direction", dtmf_direction_to_string(direction));
if (!blob) {
return;
}
ast_channel_publish_blob(chan, ast_channel_dtmf_begin_type(), blob);
if (channel_blob) {
ast_channel_publish_blob(chan, ast_channel_dtmf_begin_type(), channel_blob);
}
}
static void send_dtmf_end_event(struct ast_channel *chan,
enum DtmfDirection direction, const char digit, long duration_ms)
{
RAII_VAR(struct ast_json *, blob, NULL, ast_json_unref);
RAII_VAR(struct ast_json *, channel_blob, NULL, ast_json_unref);
RAII_VAR(struct ast_json *, cel_blob, NULL, ast_json_unref);
char digit_str[] = { digit, '\0' };
blob = ast_json_pack("{ s: s, s: s, s: I }",
channel_blob = ast_json_pack("{ s: s, s: s, s: I }",
"digit", digit_str,
"direction", dtmf_direction_to_string(direction),
"duration_ms", (ast_json_int_t)duration_ms);
if (!blob) {
return;
if (channel_blob) {
ast_channel_publish_blob(chan, ast_channel_dtmf_end_type(), channel_blob);
}
ast_channel_publish_blob(chan, ast_channel_dtmf_end_type(), blob);
cel_blob = ast_json_pack("{ s: s, s: { s: s, s: I }}",
"event", dtmf_direction_to_string(direction),
"extra",
"digit", digit_str,
"duration_ms", (ast_json_int_t)duration_ms);
if (cel_blob) {
ast_cel_publish_event(chan, AST_CEL_DTMF, cel_blob);
} else {
ast_log(LOG_WARNING, "Unable to build extradata for DTMF CEL event on channel %s", ast_channel_name(chan));
}
}
static void send_flash_event(struct ast_channel *chan)

26
main/file.c
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@ -39,6 +39,7 @@
#include "asterisk/mod_format.h"
#include "asterisk/cli.h"
#include "asterisk/channel.h"
#include "asterisk/cel.h"
#include "asterisk/sched.h"
#include "asterisk/translate.h"
#include "asterisk/utils.h"
@ -221,15 +222,25 @@ int ast_file_fdtemp(const char *path, char **filename, const char *template_name
int ast_stopstream(struct ast_channel *tmp)
{
struct ast_json * cel_event = NULL;
ast_channel_lock(tmp);
/* Stop a running stream if there is one */
if (ast_channel_stream(tmp)) {
ast_closestream(ast_channel_stream(tmp));
ast_channel_stream_set(tmp, NULL);
cel_event = ast_json_pack("{ s: s }", "event", "FILE_STREAM_END");
if (cel_event) {
ast_cel_publish_event(tmp, AST_CEL_STREAM_END, cel_event);
}
if (ast_channel_oldwriteformat(tmp) && ast_set_write_format(tmp, ast_channel_oldwriteformat(tmp)))
ast_log(LOG_WARNING, "Unable to restore format back to %s\n", ast_format_get_name(ast_channel_oldwriteformat(tmp)));
}
ast_json_unref(cel_event);
/* Stop the video stream too */
if (ast_channel_vstream(tmp) != NULL) {
ast_closestream(ast_channel_vstream(tmp));
@ -1301,6 +1312,7 @@ int ast_file_read_dirs(const char *dir_name, ast_file_on_file on_file, void *obj
int ast_streamfile(struct ast_channel *chan, const char *filename,
const char *preflang)
{
struct ast_json * cel_event = NULL;
struct ast_filestream *fs = NULL;
struct ast_filestream *vfs = NULL;
off_t pos;
@ -1367,6 +1379,20 @@ int ast_streamfile(struct ast_channel *chan, const char *filename,
if (!res && vfs)
res = ast_playstream(vfs);
cel_event = ast_json_pack("{ s: s, s: {s: s, s: s, s: s}}",
"event", "FILE_STREAM_BEGIN",
"extra",
"sound", tmp_filename,
"format", ast_format_get_name(ast_channel_writeformat(chan)),
"language", preflang ? preflang : "default"
);
if (cel_event) {
ast_cel_publish_event(chan, AST_CEL_STREAM_BEGIN, cel_event);
} else {
ast_log(LOG_WARNING, "Unable to build extradata for sound file STREAM_BEGIN event on channel %s", ast_channel_name(chan));
}
ast_json_unref(cel_event);
if (VERBOSITY_ATLEAST(3)) {
ast_channel_lock(chan);
ast_verb(3, "<%s> Playing '%s.%s' (language '%s')\n", ast_channel_name(chan), tmp_filename, ast_format_get_name(ast_channel_writeformat(chan)), preflang ? preflang : "default");

21
res/res_musiconhold.c
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@ -54,6 +54,7 @@
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/cel.h"
#include "asterisk/pbx.h"
#include "asterisk/app.h"
#include "asterisk/module.h"
@ -253,10 +254,23 @@ static void moh_post_start(struct ast_channel *chan, const char *moh_class_name)
{
struct stasis_message *message;
struct ast_json *json_object;
struct ast_json *cel_event;
ast_verb(3, "Started music on hold, class '%s', on channel '%s'\n",
moh_class_name, ast_channel_name(chan));
cel_event = ast_json_pack("{ s: s, s: {s: s }}",
"event", "MOH_STREAM_BEGIN",
"extra",
"class", moh_class_name
);
if (cel_event) {
ast_cel_publish_event(chan, AST_CEL_STREAM_BEGIN, cel_event);
} else {
ast_log(LOG_WARNING, "Unable to build extradata for music on hold STREAM_BEGIN event on channel %s", ast_channel_name(chan));
}
ast_json_unref(cel_event);
json_object = ast_json_pack("{s: s}", "class", moh_class_name);
if (!json_object) {
return;
@ -277,9 +291,16 @@ static void moh_post_start(struct ast_channel *chan, const char *moh_class_name)
static void moh_post_stop(struct ast_channel *chan)
{
struct stasis_message *message;
struct ast_json *cel_event;
ast_verb(3, "Stopped music on hold on %s\n", ast_channel_name(chan));
cel_event = ast_json_pack("{ s: s }", "event", "MOH_STREAM_END");
if (cel_event) {
ast_cel_publish_event(chan, AST_CEL_STREAM_END, cel_event);
}
ast_json_unref(cel_event);
message = ast_channel_blob_create_from_cache(ast_channel_uniqueid(chan),
ast_channel_moh_stop_type(), NULL);
if (message) {

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