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Merge pull request #798 in FS/freeswitch from ~PIOTRGREGOR/freeswitch:bugfix/FS-9031-avmd-check-session-initialization to master 

* commit '2197794e5569bc52d51dbec81f4ddab7944a6ffd':
  FS-9031: [avmd] Check session initialization
This commit is contained in:
Mike Jerris 2016-04-07 11:20:53 -05:00
parent 266f76cdac 2197794e55
commit da43cd8367
1 changed files with 118 additions and 56 deletions
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174
src/mod/applications/mod_avmd/mod_avmd.c
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@ -151,7 +151,7 @@ typedef struct {
static void avmd_process(avmd_session_t *session, switch_frame_t *frame);
static switch_bool_t avmd_callback(switch_media_bug_t * bug,
void *user_data, switch_abc_type_t type);
static void init_avmd_session_data(avmd_session_t *avmd_session,
static int init_avmd_session_data(avmd_session_t *avmd_session,
switch_core_session_t *fs_session);
@ -160,7 +160,7 @@ static void init_avmd_session_data(avmd_session_t *avmd_session,
* @param avmd_session A reference to a avmd session.
* @param fs_session A reference to a FreeSWITCH session.
*/
static void init_avmd_session_data(avmd_session_t *avmd_session,
static int init_avmd_session_data(avmd_session_t *avmd_session,
switch_core_session_t *fs_session)
{
size_t buf_sz;
@ -172,10 +172,7 @@ static void init_avmd_session_data(avmd_session_t *avmd_session,
(size_t)FRAME_LEN(avmd_session->rate),
fs_session);
if (avmd_session->b.buf == NULL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" Buffer error\n");
return;
return -1;
}
avmd_session->session = fs_session;
avmd_session->pos = 0;
@ -189,29 +186,21 @@ static void init_avmd_session_data(avmd_session_t *avmd_session,
buf_sz = BEEP_LEN(avmd_session->rate) / SINE_LEN(avmd_session->rate);
if (buf_sz < 1) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" SMA buffer size is 0!\n");
return;
return -2;
}
INIT_SMA_BUFFER(&avmd_session->sma_b, buf_sz, fs_session);
if (avmd_session->sma_b.data == NULL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" SMA buffer error\n");
return;
return -3;
}
memset(avmd_session->sma_b.data, 0, sizeof(BUFF_TYPE) * buf_sz);
INIT_SMA_BUFFER(&avmd_session->sqa_b, buf_sz, fs_session);
if (avmd_session->sqa_b.data == NULL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" SMA sqa buffer error\n");
return;
return -4;
}
memset(avmd_session->sqa_b.data, 0, sizeof(BUFF_TYPE) * buf_sz);
return 0;
}
@ -405,6 +394,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_avmd_load)
*/
SWITCH_STANDARD_APP(avmd_start_function)
{
int res;
switch_media_bug_t *bug;
switch_status_t status;
switch_channel_t *channel;
@ -412,11 +402,8 @@ SWITCH_STANDARD_APP(avmd_start_function)
switch_media_bug_flag_t flags = 0;
if (session == NULL) {
switch_log_printf(
SWITCH_CHANNEL_LOG,
SWITCH_LOG_ERROR,
"No FreeSWITCH session assigned!\n"
);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
"No FreeSWITCH session assigned!\n");
return;
}
@ -442,7 +429,37 @@ SWITCH_STANDARD_APP(avmd_start_function)
avmd_session = (avmd_session_t *)switch_core_session_alloc(
session, sizeof(avmd_session_t));
init_avmd_session_data(avmd_session, session);
res = init_avmd_session_data(avmd_session, session);
if (res != 0) {
switch (res) {
case -1:
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" Buffer error!\n");
break;
case -2:
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" SMA buffer size is 0!\n");
break;
case -3:
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" SMA buffer error\n");
break;
case -4:
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" SMA sqa buffer error\n");
break;
default:
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" Unknown error\n");
break;
}
return;
}
#ifdef AVMD_INBOUND_CHANNEL
flags |= SMBF_READ_REPLACE;
@ -520,6 +537,7 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_avmd_shutdown)
*/
SWITCH_STANDARD_API(avmd_api_main)
{
int res;
switch_core_session_t *fs_session = NULL;
switch_media_bug_t *bug;
avmd_session_t *avmd_session;
@ -528,7 +546,7 @@ SWITCH_STANDARD_API(avmd_api_main)
int argc;
char *argv[AVMD_PARAMS];
char *ccmd = NULL;
char *uuid;
char *uuid, *uuid_dup;
char *command;
switch_core_media_flag_t flags = 0;
@ -572,13 +590,40 @@ SWITCH_STANDARD_API(avmd_api_main)
channel = switch_core_session_get_channel(fs_session);
if (channel == NULL) {
stream->write_function(stream, "-ERR, no channel for FreeSWITCH session [%s]!"
"\nPlease report this to the developers\n\n", uuid);
"\n Please report this to the developers.\n\n", uuid);
goto end;
}
/* Is this channel already set? */
bug = (switch_media_bug_t *) switch_channel_get_private(channel, "_avmd_");
/* If yes */
if (bug != NULL) {
/* If we have a stop remove audio bug */
if (strcasecmp(command, "stop") == 0) {
uuid_dup = switch_core_strdup(switch_core_session_get_pool(fs_session), uuid);
switch_channel_set_private(channel, "_avmd_", NULL);
switch_core_media_bug_remove(fs_session, &bug);
switch_safe_free(ccmd);
stream->write_function(stream, "+OK\n [%s] [%s] stopped.\n\n",
uuid_dup, switch_channel_get_name(channel));
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_INFO,
"Avmd on channel [%s] stopped!\n", switch_channel_get_name(channel));
goto end;
}
/* We have already started */
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session),
SWITCH_LOG_ERROR, "Avmd already started!\n");
stream->write_function(stream, "-ERR, avmd for FreeSWITCH session [%s]"
"\n already started\n\n", uuid);
goto end;
}
#ifdef AVMD_OUTBOUND_CHANNEL
if (SWITCH_CALL_DIRECTION_OUTBOUND != switch_channel_direction(channel)) {
stream->write_function(stream, "-ERR, channel for FreeSWITCH session [%s]"
"\nis not outbound\n\n", uuid);
"\n is not outbound.\n\n", uuid);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_WARNING,
"Channel [%s] is not outbound!\n", switch_channel_get_name(channel));
} else {
@ -588,7 +633,7 @@ SWITCH_STANDARD_API(avmd_api_main)
#ifdef AVMD_INBOUND_CHANNEL
if (SWITCH_CALL_DIRECTION_INBOUND != switch_channel_direction(channel)) {
stream->write_function(stream, "-ERR, channel for FreeSWITCH session [%s]"
"\nis not inbound.\n\n", uuid);
"\n is not inbound.\n\n", uuid);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_WARNING,
"Channel [%s] is not inbound!\n", switch_channel_get_name(channel));
} else {
@ -608,39 +653,19 @@ SWITCH_STANDARD_API(avmd_api_main)
#ifdef AVMD_OUTBOUND_CHANNEL
if (switch_channel_test_flag(channel, CF_MEDIA_SET) == 0) {
stream->write_function(stream, "-ERR, channel [%s] for FreeSWITCH session [%s]"
"\nhas no read codec assigned yet. Please try again\n\n",
"\n has no read codec assigned yet. Please try again.\n\n",
switch_channel_get_name(channel), uuid);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_ERROR,
"Failed to start session. Channel [%s] has no codec assigned yet."
" Please try again\n",
switch_channel_get_name(channel));
" Please try again\n", switch_channel_get_name(channel));
goto end;
}
#endif
/* Is this channel already set? */
bug = (switch_media_bug_t *) switch_channel_get_private(channel, "_avmd_");
/* If yes */
if (bug != NULL) {
/* If we have a stop remove audio bug */
if (strcasecmp(command, "stop") == 0) {
switch_channel_set_private(channel, "_avmd_", NULL);
switch_core_media_bug_remove(fs_session, &bug);
switch_safe_free(ccmd);
stream->write_function(stream, "+OK, [%s] stopped\n", uuid);
goto end;
}
/* We have already started */
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_WARNING,
"Cannot run 2 at once on the same channel!\n");
goto end;
}
/* If we don't see the expected start exit */
if (strcasecmp(command, "start") != 0) {
stream->write_function(stream, "-ERR, did you mean\n"
"api avmd %s start ?\n-USAGE: %s\n\n", uuid, AVMD_SYNTAX);
" api avmd %s start ?\n-USAGE: %s\n\n", uuid, AVMD_SYNTAX);
goto end;
}
@ -649,7 +674,44 @@ SWITCH_STANDARD_API(avmd_api_main)
avmd_session = (avmd_session_t *) switch_core_session_alloc(
fs_session, sizeof(avmd_session_t));
init_avmd_session_data(avmd_session, fs_session);
res = init_avmd_session_data(avmd_session, fs_session);
if (res != 0) {
stream->write_function(stream, "-ERR, failed to initialize avmd session\n"
" for FreeSWITCH session [%s]\n", uuid);
switch (res) {
case -1:
stream->write_function(stream, "-ERR, buffer error\n\n");
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" Buffer error!\n");
break;
case -2:
stream->write_function(stream, "-ERR, SMA buffer size is 0\n\n");
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" SMA buffer size is 0!\n");
break;
case -3:
stream->write_function(stream, "-ERR, SMA buffer error\n\n");
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" SMA buffer error\n");
break;
case -4:
stream->write_function(stream, "-ERR, SMA sqa buffer error\n\n");
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" SMA sqa buffer error\n");
break;
default:
stream->write_function(stream, "-ERR, unknown error\n\n");
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session),
SWITCH_LOG_ERROR, "Failed to init avmd session."
" Unknown error\n");
break;
}
goto end;
}
/* Add a media bug that allows me to intercept the
* reading leg of the audio stream */
@ -677,10 +739,10 @@ SWITCH_STANDARD_API(avmd_api_main)
switch_channel_set_private(channel, "_avmd_", bug);
/* OK */
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_INFO,
"Avmd session on channel [%s] started\n", switch_channel_get_name(channel));
stream->write_function(stream, "+OK, start\n\n");
stream->write_function(stream, "+OK\n [%s] [%s] started!\n\n",
uuid, switch_channel_get_name(channel));
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_INFO,
"Avmd on channel [%s] started!\n", switch_channel_get_name(channel));
end: