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add uuid_media_reneg api command to tell a channel to send a re-invite with optional list of new codecs

This commit is contained in:
Anthony Minessale 2012-09-07 15:33:09 -05:00
parent cd8814844a
commit bfc46567c1
4 changed files with 91 additions and 4 deletions
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1
src/include/switch_types.h
View File

@ -906,6 +906,7 @@ typedef enum {
SWITCH_MESSAGE_INDICATE_AUDIO_DATA,
SWITCH_MESSAGE_INDICATE_BLIND_TRANSFER_RESPONSE,
SWITCH_MESSAGE_INDICATE_STUN_ERROR,
SWITCH_MESSAGE_INDICATE_MEDIA_RENEG,
SWITCH_MESSAGE_INVALID
} switch_core_session_message_types_t;

45
src/mod/applications/mod_commands/mod_commands.c
View File

@ -2739,6 +2739,49 @@ SWITCH_STANDARD_API(uuid_media_function)
return SWITCH_STATUS_SUCCESS;
}
#define MEDIA_RENEG_SYNTAX "<uuid>[ <codec_string>]"
SWITCH_STANDARD_API(uuid_media_neg_function)
{
char *mycmd = NULL, *argv[2] = { 0 };
int argc = 0;
switch_status_t status = SWITCH_STATUS_FALSE;
if (!zstr(cmd) && (mycmd = strdup(cmd))) {
argc = switch_separate_string(mycmd, ' ', argv, (sizeof(argv) / sizeof(argv[0])));
}
if (zstr(cmd) || argc < 1 || zstr(argv[0])) {
stream->write_function(stream, "-USAGE: %s\n", MEDIA_RENEG_SYNTAX);
} else {
switch_core_session_message_t msg = { 0 };
switch_core_session_t *lsession = NULL;
char *uuid = argv[0];
msg.message_id = SWITCH_MESSAGE_INDICATE_MEDIA_RENEG;
msg.string_arg = argv[1];
msg.from = __FILE__;
if (*uuid == '+') {
msg.numeric_arg++;
uuid++;
}
if ((lsession = switch_core_session_locate(uuid))) {
status = switch_core_session_receive_message(lsession, &msg);
switch_core_session_rwunlock(lsession);
}
}
if (status == SWITCH_STATUS_SUCCESS) {
stream->write_function(stream, "+OK Success\n");
} else {
stream->write_function(stream, "-ERR Operation Failed\n");
}
switch_safe_free(mycmd);
return SWITCH_STATUS_SUCCESS;
}
SWITCH_STANDARD_API(uuid_early_ok_function)
{
char *uuid = (char *) cmd;
@ -5690,6 +5733,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_commands_load)
SWITCH_ADD_API(commands_api_interface, "uuid_limit_release", "Release limit resource", uuid_limit_release_function, LIMIT_RELEASE_SYNTAX);
SWITCH_ADD_API(commands_api_interface, "uuid_loglevel", "set loglevel on session", uuid_loglevel, UUID_LOGLEVEL_SYNTAX);
SWITCH_ADD_API(commands_api_interface, "uuid_media", "media", uuid_media_function, MEDIA_SYNTAX);
SWITCH_ADD_API(commands_api_interface, "uuid_media_reneg", "media negotiation", uuid_media_neg_function, MEDIA_RENEG_SYNTAX);
SWITCH_ADD_API(commands_api_interface, "uuid_park", "Park Channel", park_function, PARK_SYNTAX);
SWITCH_ADD_API(commands_api_interface, "uuid_phone_event", "Send and event to the phone", uuid_phone_event_function, PHONE_EVENT_SYNTAX);
SWITCH_ADD_API(commands_api_interface, "uuid_pre_answer", "pre_answer", uuid_pre_answer_function, "<uuid>");
@ -5841,6 +5885,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_commands_load)
switch_console_set_complete("add uuid_media ::console::list_uuid");
switch_console_set_complete("add uuid_media off ::console::list_uuid");
switch_console_set_complete("add uuid_park ::console::list_uuid");
switch_console_set_complete("add uuid_media_reneg ::console::list_uuid");
switch_console_set_complete("add uuid_phone_event ::console::list_uuid talk");
switch_console_set_complete("add uuid_phone_event ::console::list_uuid hold");
switch_console_set_complete("add uuid_preprocess ::console::list_uuid");

38
src/mod/endpoints/mod_sofia/mod_sofia.c
View File

@ -1547,6 +1547,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
case SWITCH_MESSAGE_INDICATE_RECOVERY_REFRESH:
case SWITCH_MESSAGE_INDICATE_APPLICATION_EXEC:
break;
case SWITCH_MESSAGE_INDICATE_PROXY_MEDIA:
{
if (switch_rtp_ready(tech_pvt->rtp_session)) {
@ -1849,6 +1850,43 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
}
switch (msg->message_id) {
case SWITCH_MESSAGE_INDICATE_MEDIA_RENEG:
{
switch_core_session_t *nsession;
if (msg->string_arg) {
switch_channel_set_variable(channel, "absolute_codec_string", NULL);
if (*msg->string_arg == '=') {
switch_channel_set_variable(channel, "codec_string", msg->string_arg);
} else {
switch_channel_set_variable_printf(channel, "codec_string", "=%s%s%s,%s",
tech_pvt->video_rm_encoding ? tech_pvt->video_rm_encoding : "",
tech_pvt->video_rm_encoding ? "," : "",
tech_pvt->rm_encoding, msg->string_arg);
}
tech_pvt->num_codecs = 0;
tech_pvt->rm_encoding = NULL;
tech_pvt->video_rm_encoding = NULL;
sofia_clear_flag_locked(tech_pvt, TFLAG_VIDEO);
sofia_glue_tech_prepare_codecs(tech_pvt);
sofia_glue_check_video_codecs(tech_pvt);
sofia_glue_set_local_sdp(tech_pvt, NULL, 0, NULL, 1);
sofia_set_pflag(tech_pvt->profile, PFLAG_RENEG_ON_REINVITE);
}
sofia_glue_do_invite(session);
if (msg->numeric_arg && switch_core_session_get_partner(session, &nsession) == SWITCH_STATUS_SUCCESS) {
msg->numeric_arg = 0;
switch_core_session_receive_message(nsession, msg);
switch_core_session_rwunlock(nsession);
}
}
break;
case SWITCH_MESSAGE_INDICATE_VIDEO_REFRESH_REQ:
{
const char *pl = "<media_control><vc_primitive><to_encoder><picture_fast_update/></to_encoder></vc_primitive></media_control>";

11
src/mod/endpoints/mod_sofia/sofia_glue.c
View File

@ -833,12 +833,14 @@ void sofia_glue_tech_prepare_codecs(private_object_t *tech_pvt)
if (!(codec_string = switch_channel_get_variable(tech_pvt->channel, "codec_string"))) {
codec_string = sofia_glue_get_codec_string(tech_pvt);
if (codec_string && *codec_string == '=') {
codec_string++;
goto ready;
}
}
if (codec_string && *codec_string == '=') {
codec_string++;
goto ready;
}
if ((ocodec = switch_channel_get_variable(tech_pvt->channel, SWITCH_ORIGINATOR_CODEC_VARIABLE))) {
if (!codec_string || sofia_test_pflag(tech_pvt->profile, PFLAG_DISABLE_TRANSCODING)) {
codec_string = ocodec;
@ -871,6 +873,7 @@ void sofia_glue_check_video_codecs(private_object_t *tech_pvt)
int i;
tech_pvt->video_count = 0;
for (i = 0; i < tech_pvt->num_codecs; i++) {
if (tech_pvt->codecs[i]->codec_type == SWITCH_CODEC_TYPE_VIDEO) {
tech_pvt->video_count++;
}