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close up some race conditions fit for the indy 500

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7732 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
2008-02-25 16:35:19 +00:00
parent d275a8dd3d
commit f565f7710a
6 changed files with 154 additions and 74 deletions
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src/mod/endpoints/mod_sofia/mod_sofia.c
+33 -19
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@@ -705,16 +705,19 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
{
switch_channel_t *channel = switch_core_session_get_channel(session);
private_object_t *tech_pvt = switch_core_session_get_private(session);
switch_status_t status;
switch_status_t status = SWITCH_STATUS_SUCCESS;
switch_mutex_lock(tech_pvt->flag_mutex);
if (switch_channel_get_state(channel) >= CS_HANGUP || !tech_pvt) {
return SWITCH_STATUS_FALSE;
status = SWITCH_STATUS_FALSE;
goto end;
}
if (msg->message_id == SWITCH_MESSAGE_INDICATE_ANSWER || msg->message_id == SWITCH_MESSAGE_INDICATE_PROGRESS) {
const char *var;
if ((var = switch_channel_get_variable(channel, SOFIA_SECURE_MEDIA_VARIABLE)) && switch_true(var)) {
switch_set_flag_locked(tech_pvt, TFLAG_SECURE);
switch_set_flag(tech_pvt, TFLAG_SECURE);
}
}
@@ -786,7 +789,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Sending media re-direct:\n%s\n", msg->string_arg);
tech_pvt->local_sdp_str = switch_core_session_strdup(session, msg->string_arg);
switch_set_flag_locked(tech_pvt, TFLAG_SENT_UPDATE);
switch_set_flag(tech_pvt, TFLAG_SENT_UPDATE);
sofia_glue_do_invite(session);
}
break;
@@ -801,7 +804,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
sofia_glue_tech_prepare_codecs(tech_pvt);
if ((status = sofia_glue_tech_choose_port(tech_pvt, 0)) != SWITCH_STATUS_SUCCESS) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
return status;
goto end;
}
}
sofia_glue_set_local_sdp(tech_pvt, NULL, 0, NULL, 1);
@@ -811,7 +814,8 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
tech_pvt->read_frame.datalen = 0;
while (switch_test_flag(tech_pvt, TFLAG_IO) && switch_channel_get_state(channel) < CS_HANGUP && !switch_rtp_ready(tech_pvt->rtp_session)) {
if (++count > 1000) {
return SWITCH_STATUS_FALSE;
status = SWITCH_STATUS_FALSE;
goto end;
}
if (!switch_rtp_ready(tech_pvt->rtp_session)) {
switch_yield(1000);
@@ -824,7 +828,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
case SWITCH_MESSAGE_INDICATE_HOLD:
{
switch_set_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
switch_set_flag(tech_pvt, TFLAG_SIP_HOLD);
sofia_glue_do_invite(session);
}
break;
@@ -846,7 +850,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
private_object_t *a_tech_pvt = switch_core_session_get_private(a_session);
private_object_t *b_tech_pvt = switch_core_session_get_private(b_session);
switch_set_flag_locked(a_tech_pvt, TFLAG_REINVITE);
switch_set_flag(a_tech_pvt, TFLAG_REINVITE);
a_tech_pvt->remote_sdp_audio_ip = switch_core_session_strdup(a_session, b_tech_pvt->remote_sdp_audio_ip);
a_tech_pvt->remote_sdp_audio_port = b_tech_pvt->remote_sdp_audio_port;
a_tech_pvt->local_sdp_audio_ip = switch_core_session_strdup(a_session, b_tech_pvt->local_sdp_audio_ip);
@@ -859,7 +863,8 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
}
msg->pointer_arg = NULL;
return SWITCH_STATUS_FALSE;
status = SWITCH_STATUS_FALSE;
goto end;
}
}
/*
@@ -881,7 +886,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
if (msg->string_arg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Re-directing to %s\n", msg->string_arg);
nua_respond(tech_pvt->nh, SIP_302_MOVED_TEMPORARILY, SIPTAG_CONTACT_STR(msg->string_arg), TAG_END());
switch_set_flag_locked(tech_pvt, TFLAG_BYE);
switch_set_flag(tech_pvt, TFLAG_BYE);
}
break;
@@ -958,7 +963,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
nua_respond(tech_pvt->nh, code, reason, TAG_IF(to_uri, SIPTAG_CONTACT_STR(to_uri)),
SIPTAG_SUPPORTED_STR(NULL), SIPTAG_ACCEPT_STR(NULL),
TAG_IF(!switch_strlen_zero(max_forwards), SIPTAG_MAX_FORWARDS_STR(max_forwards)), TAG_END());
switch_set_flag_locked(tech_pvt, TFLAG_BYE);
switch_set_flag(tech_pvt, TFLAG_BYE);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Responding with %d %s\n", code, reason);
@@ -976,7 +981,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
} else {
nua_respond(tech_pvt->nh, code, reason, SIPTAG_CONTACT_STR(tech_pvt->reply_contact), TAG_END());
}
switch_set_flag_locked(tech_pvt, TFLAG_BYE);
switch_set_flag(tech_pvt, TFLAG_BYE);
}
}
@@ -984,18 +989,18 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
case SWITCH_MESSAGE_INDICATE_RINGING:
if (!switch_channel_test_flag(channel, CF_RING_READY) &&
!switch_channel_test_flag(channel, CF_EARLY_MEDIA) && !switch_channel_test_flag(channel, CF_ANSWERED)) {
nua_respond(tech_pvt->nh, SIP_180_RINGING, SIPTAG_CONTACT_STR(tech_pvt->profile->url), TAG_END());
nua_respond(tech_pvt->nh, SIP_180_RINGING, SIPTAG_CONTACT_STR(tech_pvt->reply_contact), TAG_END());
switch_channel_mark_ring_ready(channel);
}
break;
case SWITCH_MESSAGE_INDICATE_ANSWER:
return sofia_answer_channel(session);
status = sofia_answer_channel(session);
break;
case SWITCH_MESSAGE_INDICATE_PROGRESS:
{
if (!switch_test_flag(tech_pvt, TFLAG_ANS) && !switch_test_flag(tech_pvt, TFLAG_EARLY_MEDIA)) {
switch_set_flag_locked(tech_pvt, TFLAG_EARLY_MEDIA);
switch_set_flag(tech_pvt, TFLAG_EARLY_MEDIA);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Asked to send early media by %s\n", msg->from);
/* Transmit 183 Progress with SDP */
@@ -1007,7 +1012,8 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
if (switch_channel_test_flag(channel, CF_PROXY_MEDIA)) {
sofia_glue_tech_patch_sdp(tech_pvt);
if (sofia_glue_activate_rtp(tech_pvt, 0) != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
status = SWITCH_STATUS_FALSE;
goto end;
}
}
} else {
@@ -1022,14 +1028,15 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
if (sofia_glue_tech_media(tech_pvt, r_sdp) != SWITCH_STATUS_SUCCESS) {
switch_channel_set_variable(channel, SWITCH_ENDPOINT_DISPOSITION_VARIABLE, "CODEC NEGOTIATION ERROR");
//nua_respond(tech_pvt->nh, SIP_488_NOT_ACCEPTABLE, TAG_END());
return SWITCH_STATUS_FALSE;
status = SWITCH_STATUS_FALSE;
goto end;
}
}
}
if ((status = sofia_glue_tech_choose_port(tech_pvt, 0)) != SWITCH_STATUS_SUCCESS) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
return status;
goto end;
}
sofia_glue_set_local_sdp(tech_pvt, NULL, 0, NULL, 0);
if (sofia_glue_activate_rtp(tech_pvt, 0) != SWITCH_STATUS_SUCCESS) {
@@ -1052,7 +1059,14 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
break;
}
return SWITCH_STATUS_SUCCESS;
end:
//xxxbot
switch_mutex_unlock(tech_pvt->flag_mutex);
return status;
}
static switch_status_t sofia_receive_event(switch_core_session_t *session, switch_event_t *event)