/* Plugin implementation */
int janus_videocall_init(janus_callbacks *callback, const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_VIDEOCALL_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL) {
janus_config_print(config);
janus_config_item *events = janus_config_get_item_drilldown(config, "general", "events");
if(events != NULL && events->value != NULL)
notify_events = janus_is_true(events->value);
if(!notify_events && callback->events_is_enabled()) {
JANUS_LOG(LOG_WARN, "Notification of events to handlers disabled for %s\n", JANUS_VIDEOCALL_NAME);
}
}
janus_config_destroy(config);
config = NULL;
sessions = g_hash_table_new(g_str_hash, g_str_equal);
janus_mutex_init(&sessions_mutex);
messages = g_async_queue_new_full((GDestroyNotify) janus_videocall_message_free);
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
g_atomic_int_set(&initialized, 1);
GError *error = NULL;
/* Start the sessions watchdog */
watchdog = g_thread_try_new("videocall watchdog", &janus_videocall_watchdog, NULL, &error);
if(error != NULL) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the VideoCall watchdog thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
/* Launch the thread that will handle incoming messages */
handler_thread = g_thread_try_new("videocall handler", janus_videocall_handler, NULL, &error);
if(error != NULL) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the VideoCall handler thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_VIDEOCALL_NAME);
return 0;
}
/* Plugin implementation */
int janus_echotest_init(janus_callbacks *callback, const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_ECHOTEST_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL)
janus_config_print(config);
/* This plugin actually has nothing to configure... */
janus_config_destroy(config);
config = NULL;
sessions = g_hash_table_new(NULL, NULL);
janus_mutex_init(&sessions_mutex);
messages = g_async_queue_new_full((GDestroyNotify) janus_echotest_message_free);
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
g_atomic_int_set(&initialized, 1);
GError *error = NULL;
/* Start the sessions watchdog */
watchdog = g_thread_try_new("etest watchdog", &janus_echotest_watchdog, NULL, &error);
if(error != NULL) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the EchoTest watchdog thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
/* Launch the thread that will handle incoming messages */
handler_thread = g_thread_try_new("janus echotest handler", janus_echotest_handler, NULL, &error);
if(error != NULL) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the EchoTest handler thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_ECHOTEST_NAME);
return 0;
}
/* Plugin implementation */
int janus_videocall_init(janus_callbacks *callback, const char *config_path) {
if(stopping) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* Read configuration */
char filename[255];
sprintf(filename, "%s/%s.cfg", config_path, JANUS_VIDEOCALL_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL)
janus_config_print(config);
/* This plugin actually has nothing to configure... */
janus_config_destroy(config);
config = NULL;
sessions = g_hash_table_new(g_str_hash, g_str_equal);
janus_mutex_init(&sessions_mutex);
messages = g_async_queue_new_full((GDestroyNotify) janus_videocall_message_free);
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
initialized = 1;
/* Launch the thread that will handle incoming messages */
GError *error = NULL;
handler_thread = g_thread_try_new("janus videocall handler", janus_videocall_handler, NULL, &error);
if(error != NULL) {
initialized = 0;
/* Something went wrong... */
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_VIDEOCALL_NAME);
return 0;
}
/* Plugin implementation */
int janus_serial_init(janus_callbacks *callback, const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_SERIAL_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL)
janus_config_print(config);
/* This plugin actually has nothing to configure... */
janus_config_destroy(config);
config = NULL;
sessions = g_hash_table_new(NULL, NULL);
janus_mutex_init(&sessions_mutex);
messages = g_async_queue_new_full((GDestroyNotify) janus_serial_message_free);
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
g_atomic_int_set(&initialized, 1);
GError *error = NULL;
/* Start the sessions watchdog */
watchdog = g_thread_try_new("serial watchdog", &janus_serial_watchdog, NULL, &error);
if(error != NULL) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Serial watchdog thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
/* Launch the thread that will handle incoming messages */
handler_thread = g_thread_try_new("janus serial handler", janus_serial_handler, NULL, &error);
if(error != NULL) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the serial handler thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
// init part
/* Open the file descriptor in non-blocking mode */
if(fd = open(portname,O_RDWR | O_NOCTTY | O_NONBLOCK)){
//printf("stream aperto\n");
JANUS_LOG(LOG_INFO, "stream aperto - Janus Serial\n");
}else{
//printf("errora nell'apertura dello stream\n");
JANUS_LOG(LOG_INFO, "errore nell'apertura dello stream\n");
return 0;
}
/* Set up the control structure */
struct termios toptions;
/* Get currently set options for the tty */
tcgetattr(fd, &toptions);
/* Set custom options */
/* 9600 baud */
cfsetispeed(&toptions, B9600);
cfsetospeed(&toptions, B9600);
/* 8 bits, no parity, no stop bits */
toptions.c_cflag &= ~PARENB;
toptions.c_cflag &= ~CSTOPB;
toptions.c_cflag &= ~CSIZE;
toptions.c_cflag |= CS8;
/* no hardware flow control */
toptions.c_cflag &= ~CRTSCTS;
/* enable receiver, ignore status lines */
toptions.c_cflag |= CREAD | CLOCAL;
/* disable input/output flow control, disable restart chars */
toptions.c_iflag &= ~(IXON | IXOFF | IXANY);
/* disable canonical input, disable echo,
disable visually erase chars,
disable terminal-generated signals */
toptions.c_iflag &= ~(ICANON | ECHO | ECHOE | ISIG);
/* disable output processing */
toptions.c_oflag &= ~OPOST;
/* wait for 24 characters to come in before read returns */
toptions.c_cc[VMIN] = 12;
/* no minimum time to wait before read returns */
toptions.c_cc[VTIME] = 0;
/* commit the options */
tcsetattr(fd, TCSANOW, &toptions);
/* Wait for the Arduino to reset */
usleep(1000*1000);
/* Flush anything already in the serial buffer */
tcflush(fd, TCIFLUSH);
write(fd,"k",1);
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_SERIAL_NAME);
return 0;
}
/* Plugin implementation */
int janus_streaming_init(janus_callbacks *callback, const char *config_path) {
if(stopping) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* Read configuration */
char filename[255];
sprintf(filename, "%s/%s.cfg", config_path, JANUS_STREAMING_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL)
janus_config_print(config);
mountpoints = g_hash_table_new(NULL, NULL);
/* Parse configuration to populate the mountpoints */
if(config != NULL) {
janus_config_category *cat = janus_config_get_categories(config);
while(cat != NULL) {
if(cat->name == NULL) {
cat = cat->next;
continue;
}
JANUS_LOG(LOG_VERB, "Adding stream '%s'\n", cat->name);
janus_config_item *type = janus_config_get_item(cat, "type");
if(type == NULL || type->value == NULL) {
JANUS_LOG(LOG_VERB, " -- Invalid type, skipping stream...\n");
cat = cat->next;
continue;
}
if(!strcasecmp(type->value, "rtp")) {
/* RTP live source (e.g., from gstreamer/ffmpeg/vlc/etc.) */
janus_config_item *id = janus_config_get_item(cat, "id");
janus_config_item *desc = janus_config_get_item(cat, "description");
janus_config_item *audio = janus_config_get_item(cat, "audio");
janus_config_item *video = janus_config_get_item(cat, "video");
janus_config_item *aport = janus_config_get_item(cat, "audioport");
janus_config_item *acodec = janus_config_get_item(cat, "audiopt");
janus_config_item *artpmap = janus_config_get_item(cat, "audiortpmap");
janus_config_item *vport = janus_config_get_item(cat, "videoport");
janus_config_item *vcodec = janus_config_get_item(cat, "videopt");
janus_config_item *vrtpmap = janus_config_get_item(cat, "videortpmap");
janus_streaming_mountpoint *live_rtp = calloc(1, sizeof(janus_streaming_mountpoint));
if(live_rtp == NULL) {
JANUS_LOG(LOG_FATAL, "Memory error!\n");
continue;
}
if(id == NULL || id->value == NULL) {
JANUS_LOG(LOG_ERR, "Can't add 'rtp' stream, missing mandatory information...\n");
cat = cat->next;
continue;
}
gboolean doaudio = audio && audio->value && !strcasecmp(audio->value, "yes");
gboolean dovideo = video && video->value && !strcasecmp(video->value, "yes");
if(!doaudio && !dovideo) {
JANUS_LOG(LOG_ERR, "Can't add 'rtp' stream, no audio or video have to be streamed...\n");
g_free(live_rtp);
cat = cat->next;
continue;
}
if(doaudio &&
(aport == NULL || aport->value == NULL ||
acodec == NULL || acodec->value == NULL ||
artpmap == NULL || artpmap->value == NULL)) {
JANUS_LOG(LOG_ERR, "Can't add 'rtp' stream, missing mandatory information for audio...\n");
cat = cat->next;
continue;
}
if(dovideo &&
(vport == NULL || vport->value == NULL ||
vcodec == NULL || vcodec->value == NULL ||
vrtpmap == NULL || vrtpmap->value == NULL)) {
JANUS_LOG(LOG_ERR, "Can't add 'rtp' stream, missing mandatory information for video...\n");
cat = cat->next;
continue;
}
JANUS_LOG(LOG_VERB, "Audio %s, Video %s\n", doaudio ? "enabled" : "NOT enabled", dovideo ? "enabled" : "NOT enabled");
live_rtp->name = g_strdup(cat->name);
live_rtp->id = atoi(id->value);
char *description = NULL;
if(desc != NULL && desc->value != NULL)
description = g_strdup(desc->value);
else
description = g_strdup(cat->name);
live_rtp->description = description;
live_rtp->active = FALSE;
live_rtp->streaming_type = janus_streaming_type_live;
live_rtp->streaming_source = janus_streaming_source_rtp;
janus_streaming_rtp_source *live_rtp_source = calloc(1, sizeof(janus_streaming_rtp_source));
if(live_rtp->name == NULL || description == NULL || live_rtp_source == NULL) {
JANUS_LOG(LOG_FATAL, "Memory error!\n");
if(live_rtp->name)
g_free(live_rtp->name);
if(description)
g_free(description);
if(live_rtp_source);
g_free(live_rtp_source);
g_free(live_rtp);
continue;
}
live_rtp_source->audio_port = doaudio ? atoi(aport->value) : -1;
live_rtp_source->video_port = dovideo ? atoi(vport->value) : -1;
live_rtp->source = live_rtp_source;
live_rtp->codecs.audio_pt = doaudio ? atoi(acodec->value) : -1;
live_rtp->codecs.audio_rtpmap = doaudio ? g_strdup(artpmap->value) : NULL;
live_rtp->codecs.video_pt = dovideo ? atoi(vcodec->value) : -1;
live_rtp->codecs.video_rtpmap = dovideo ? g_strdup(vrtpmap->value) : NULL;
live_rtp->listeners = NULL;
g_hash_table_insert(mountpoints, GINT_TO_POINTER(live_rtp->id), live_rtp);
g_thread_new(live_rtp->name, &janus_streaming_relay_thread, live_rtp);
} else if(!strcasecmp(type->value, "live")) {
/* a-Law file live source */
janus_config_item *id = janus_config_get_item(cat, "id");
janus_config_item *desc = janus_config_get_item(cat, "description");
janus_config_item *file = janus_config_get_item(cat, "filename");
janus_config_item *audio = janus_config_get_item(cat, "audio");
janus_config_item *video = janus_config_get_item(cat, "video");
if(id == NULL || id->value == NULL || file == NULL || file->value == NULL) {
JANUS_LOG(LOG_ERR, "Can't add 'live' stream, missing mandatory information...\n");
cat = cat->next;
continue;
}
gboolean doaudio = audio && audio->value && !strcasecmp(audio->value, "yes");
gboolean dovideo = video && video->value && !strcasecmp(video->value, "yes");
/* TODO We should support something more than raw a-Law and mu-Law streams... */
if(!doaudio || dovideo) {
JANUS_LOG(LOG_ERR, "Can't add 'live' stream, we only support audio file streaming right now...\n");
cat = cat->next;
continue;
}
if(!strstr(file->value, ".alaw") && !strstr(file->value, ".mulaw")) {
JANUS_LOG(LOG_ERR, "Can't add 'ondemand' stream, unsupported format (we only support raw mu-Law and a-Law files right now)\n");
cat = cat->next;
continue;
}
janus_streaming_mountpoint *live_file = calloc(1, sizeof(janus_streaming_mountpoint));
if(live_file == NULL) {
JANUS_LOG(LOG_FATAL, "Memory error!\n");
continue;
}
live_file->name = g_strdup(cat->name);
live_file->id = atoi(id->value);
char *description = NULL;
if(desc != NULL && desc->value != NULL)
description = g_strdup(desc->value);
else
description = g_strdup(cat->name);
live_file->description = description;
live_file->active = FALSE;
live_file->streaming_type = janus_streaming_type_live;
live_file->streaming_source = janus_streaming_source_file;
janus_streaming_file_source *live_file_source = calloc(1, sizeof(janus_streaming_file_source));
if(live_file->name == NULL || description == NULL || live_file_source == NULL) {
JANUS_LOG(LOG_FATAL, "Memory error!\n");
if(live_file->name)
g_free(live_file->name);
if(description)
g_free(description);
if(live_file_source);
g_free(live_file_source);
g_free(live_file);
continue;
}
live_file_source->filename = g_strdup(file->value);
live_file->source = live_file_source;
live_file->codecs.audio_pt = strstr(file->value, ".alaw") ? 8 : 0;
live_file->codecs.audio_rtpmap = strstr(file->value, ".alaw") ? "PCMA/8000" : "PCMU/8000";
live_file->codecs.video_pt = -1; /* FIXME We don't support video for this type yet */
live_file->codecs.video_rtpmap = NULL;
live_file->listeners = NULL;
g_hash_table_insert(mountpoints, GINT_TO_POINTER(live_file->id), live_file);
g_thread_new(live_file->name, &janus_streaming_filesource_thread, live_file);
} else if(!strcasecmp(type->value, "ondemand")) {
/* mu-Law file on demand source */
janus_config_item *id = janus_config_get_item(cat, "id");
janus_config_item *desc = janus_config_get_item(cat, "description");
janus_config_item *file = janus_config_get_item(cat, "filename");
janus_config_item *audio = janus_config_get_item(cat, "audio");
janus_config_item *video = janus_config_get_item(cat, "video");
if(id == NULL || id->value == NULL || file == NULL || file->value == NULL) {
JANUS_LOG(LOG_ERR, "Can't add 'ondemand' stream, missing mandatory information...\n");
cat = cat->next;
continue;
}
gboolean doaudio = audio && audio->value && !strcasecmp(audio->value, "yes");
gboolean dovideo = video && video->value && !strcasecmp(video->value, "yes");
/* TODO We should support something more than raw a-Law and mu-Law streams... */
if(!doaudio || dovideo) {
JANUS_LOG(LOG_ERR, "Can't add 'ondemand' stream, we only support audio file streaming right now...\n");
cat = cat->next;
continue;
}
if(!strstr(file->value, ".alaw") && !strstr(file->value, ".mulaw")) {
JANUS_LOG(LOG_ERR, "Can't add 'ondemand' stream, unsupported format (we only support raw mu-Law and a-Law files right now)\n");
cat = cat->next;
continue;
}
janus_streaming_mountpoint *ondemand_file = calloc(1, sizeof(janus_streaming_mountpoint));
if(ondemand_file == NULL) {
JANUS_LOG(LOG_FATAL, "Memory error!\n");
continue;
}
ondemand_file->name = g_strdup(cat->name);
ondemand_file->id = atoi(id->value);
char *description = NULL;
if(desc != NULL && desc->value != NULL)
description = g_strdup(desc->value);
else
description = g_strdup(cat->name);
ondemand_file->description = description;
ondemand_file->active = FALSE;
ondemand_file->streaming_type = janus_streaming_type_on_demand;
ondemand_file->streaming_source = janus_streaming_source_file;
janus_streaming_file_source *ondemand_file_source = calloc(1, sizeof(janus_streaming_file_source));
if(ondemand_file->name == NULL || description == NULL || ondemand_file_source == NULL) {
JANUS_LOG(LOG_FATAL, "Memory error!\n");
if(ondemand_file->name)
g_free(ondemand_file->name);
if(description)
g_free(description);
if(ondemand_file_source);
g_free(ondemand_file_source);
g_free(ondemand_file);
continue;
}
ondemand_file_source->filename = g_strdup(file->value);
ondemand_file->source = ondemand_file_source;
ondemand_file->codecs.audio_pt = strstr(file->value, ".alaw") ? 8 : 0;
ondemand_file->codecs.audio_rtpmap = strstr(file->value, ".alaw") ? "PCMA/8000" : "PCMU/8000";
ondemand_file->codecs.video_pt = -1; /* FIXME We don't support video for this type yet */
ondemand_file->codecs.video_rtpmap = NULL;
ondemand_file->listeners = NULL;
g_hash_table_insert(mountpoints, GINT_TO_POINTER(ondemand_file->id), ondemand_file);
}
cat = cat->next;
}
/* Done */
janus_config_destroy(config);
config = NULL;
}
/* Show available mountpoints */
GList *mountpoints_list = g_hash_table_get_values(mountpoints);
GList *m = mountpoints_list;
while(m) {
janus_streaming_mountpoint *mp = (janus_streaming_mountpoint *)m->data;
JANUS_LOG(LOG_VERB, " ::: [%"SCNu64"][%s] %s (%s, %s)\n", mp->id, mp->name, mp->description,
mp->streaming_type == janus_streaming_type_live ? "live" : "on demand",
mp->streaming_source == janus_streaming_source_rtp ? "RTP source" : "file source");
m = m->next;
}
g_list_free(mountpoints_list);
sessions = g_hash_table_new(NULL, NULL);
janus_mutex_init(&sessions_mutex);
messages = g_queue_new();
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
initialized = 1;
/* Launch the thread that will handle incoming messages */
GError *error = NULL;
handler_thread = g_thread_try_new("janus streaming handler", janus_streaming_handler, NULL, &error);
if(error != NULL) {
initialized = 0;
/* Something went wrong... */
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_STREAMING_NAME);
return 0;
}
/* Public methods */
janus_config *janus_config_parse(const char *config_file) {
if(config_file == NULL)
return NULL;
char *filename = get_filename(config_file);
if(filename == NULL) {
JANUS_LOG(LOG_ERR, "Invalid filename %s\n", config_file);
return NULL;
}
/* Open file */
FILE *file = fopen(config_file, "rt");
if(!file) {
JANUS_LOG(LOG_ERR, " -- Error reading configuration file '%s'... error %d (%s)\n", filename, errno, strerror(errno));
return NULL;
}
/* Create configuration instance */
janus_config *jc = g_malloc0(sizeof(janus_config));
jc->name = g_strdup(filename);
/* Traverse and parse it */
int line_number = 0;
char line_buffer[BUFSIZ];
janus_config_category *cg = NULL;
while(fgets(line_buffer, sizeof(line_buffer), file)) {
line_number++;
if(strlen(line_buffer) == 0)
continue;
/* Strip comments */
char *line = line_buffer, *sc = line, *c = NULL;
while((c = strchr(sc, ';')) != NULL) {
if(c == line) {
/* Comment starts here */
*c = '\0';
break;
}
c--;
if(*c != '\\') {
/* Comment starts here */
*c = '\0';
break;
}
/* Escaped semicolon, remove the slash */
sc = c;
int len = strlen(line)-(sc-line), pos = 0;
for(pos = 0; pos < len; pos++)
sc[pos] = sc[pos+1];
sc[len-1] = '\0';
if(len == 2)
break;
/* Go on */
sc++;
}
/* Trim (will remove newline characters too) */
line = trim(line);
if(strlen(line) == 0)
continue;
/* Parse */
if(line[0] == '[') {
/* Category */
line++;
char *end = strchr(line, ']');
if(end == NULL) {
JANUS_LOG(LOG_ERR, "Error parsing category at line %d: syntax error (%s)\n", line_number, filename);
janus_config_destroy(jc);
return NULL;
}
*end = '\0';
line = trim(line);
if(strlen(line) == 0) {
JANUS_LOG(LOG_ERR, "Error parsing category at line %d: no name (%s)\n", line_number, filename);
janus_config_destroy(jc);
return NULL;
}
cg = janus_config_add_category(jc, line);
if(cg == NULL) {
JANUS_LOG(LOG_ERR, "Error adding category %s (%s)\n", line, filename);
janus_config_destroy(jc);
return NULL;
}
} else {
/* Item */
char *name = line, *value = strchr(line, '=');
if(value == NULL || value == line) {
JANUS_LOG(LOG_ERR, "Error parsing item at line %d (%s)\n", line_number, filename);
janus_config_destroy(jc);
return NULL;
}
*value = '\0';
name = trim(name);
if(strlen(name) == 0) {
JANUS_LOG(LOG_ERR, "Error parsing item at line %d: no name (%s)\n", line_number, filename);
janus_config_destroy(jc);
return NULL;
}
value++;
value = trim(value);
if(strlen(value) == 0) {
JANUS_LOG(LOG_ERR, "Error parsing item at line %d: no value (%s)\n", line_number, filename);
janus_config_destroy(jc);
return NULL;
}
if(*value == '>') {
value++;
value = trim(value);
if(strlen(value) == 0) {
JANUS_LOG(LOG_ERR, "Error parsing item at line %d: no value (%s)\n", line_number, filename);
janus_config_destroy(jc);
return NULL;
}
}
if(janus_config_add_item(jc, cg ? cg->name : NULL, name, value) == NULL) {
if(cg == NULL)
JANUS_LOG(LOG_ERR, "Error adding item %s (%s)\n", name, filename);
else
JANUS_LOG(LOG_ERR, "Error adding item %s to category %s (%s)\n", name, cg->name, filename);
janus_config_destroy(jc);
return NULL;
}
}
}
fclose(file);
return jc;
}
/* Transport implementation */
int janus_websockets_init(janus_transport_callbacks *callback, const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
JANUS_LOG(LOG_INFO, "libwebsockets >= 1.6 available, using new API\n");
#else
JANUS_LOG(LOG_INFO, "libwebsockets < 1.6 available, using old API\n");
#endif
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_WEBSOCKETS_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL) {
janus_config_print(config);
/* Handle configuration */
janus_config_item *item = janus_config_get_item_drilldown(config, "general", "json");
if(item && item->value) {
/* Check how we need to format/serialize the JSON output */
if(!strcasecmp(item->value, "indented")) {
/* Default: indented, we use three spaces for that */
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "plain")) {
/* Not indented and no new lines, but still readable */
json_format = JSON_INDENT(0) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "compact")) {
/* Compact, so no spaces between separators */
json_format = JSON_COMPACT | JSON_PRESERVE_ORDER;
} else {
JANUS_LOG(LOG_WARN, "Unsupported JSON format option '%s', using default (indented)\n", item->value);
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
}
}
/* Check if we need to send events to handlers */
janus_config_item *events = janus_config_get_item_drilldown(config, "general", "events");
if(events != NULL && events->value != NULL)
notify_events = janus_is_true(events->value);
if(!notify_events && callback->events_is_enabled()) {
JANUS_LOG(LOG_WARN, "Notification of events to handlers disabled for %s\n", JANUS_WEBSOCKETS_NAME);
}
item = janus_config_get_item_drilldown(config, "general", "ws_logging");
if(item && item->value) {
ws_log_level = atoi(item->value);
if(ws_log_level < 0)
ws_log_level = 0;
}
JANUS_LOG(LOG_VERB, "libwebsockets logging: %d\n", ws_log_level);
lws_set_log_level(ws_log_level, NULL);
old_wss = NULL;
janus_mutex_init(&old_wss_mutex);
/* Any ACL for either the Janus or Admin API? */
item = janus_config_get_item_drilldown(config, "general", "ws_acl");
if(item && item->value) {
gchar **list = g_strsplit(item->value, ",", -1);
gchar *index = list[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
if(strlen(index) > 0) {
JANUS_LOG(LOG_INFO, "Adding '%s' to the Janus API allowed list...\n", index);
janus_websockets_allow_address(g_strdup(index), FALSE);
}
i++;
index = list[i];
}
}
g_strfreev(list);
list = NULL;
}
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_acl");
if(item && item->value) {
gchar **list = g_strsplit(item->value, ",", -1);
gchar *index = list[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
if(strlen(index) > 0) {
JANUS_LOG(LOG_INFO, "Adding '%s' to the Admin/monitor allowed list...\n", index);
janus_websockets_allow_address(g_strdup(index), TRUE);
}
i++;
index = list[i];
}
}
g_strfreev(list);
list = NULL;
}
/* Setup the Janus API WebSockets server(s) */
item = janus_config_get_item_drilldown(config, "general", "ws");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "WebSockets server disabled\n");
} else {
int wsport = 8188;
item = janus_config_get_item_drilldown(config, "general", "ws_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "general", "ws_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "general", "ws_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
/* Prepare context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = wss_protocols;
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
info.extensions = NULL;
#else
info.extensions = libwebsocket_get_internal_extensions();
#endif
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the WebSocket context */
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
wss = lws_create_context(&info);
#else
wss = libwebsocket_create_context(&info);
#endif
if(wss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsockets...\n");
} else {
JANUS_LOG(LOG_INFO, "WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
item = janus_config_get_item_drilldown(config, "general", "wss");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Secure WebSockets server disabled\n");
} else {
int wsport = 8989;
item = janus_config_get_item_drilldown(config, "general", "wss_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "general", "wss_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "general", "wss_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
item = janus_config_get_item_drilldown(config, "certificates", "cert_pem");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing certificate/key path\n");
} else {
char *server_pem = (char *)item->value;
char *server_key = (char *)item->value;
item = janus_config_get_item_drilldown(config, "certificates", "cert_key");
if(item && item->value)
server_key = (char *)item->value;
JANUS_LOG(LOG_VERB, "Using certificates:\n\t%s\n\t%s\n", server_pem, server_key);
/* Prepare secure context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = swss_protocols;
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
info.extensions = NULL;
#else
info.extensions = libwebsocket_get_internal_extensions();
#endif
info.ssl_cert_filepath = server_pem;
info.ssl_private_key_filepath = server_key;
info.gid = -1;
info.uid = -1;
#if LWS_LIBRARY_VERSION_MAJOR >= 2
info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
#else
info.options = 0;
#endif
/* Create the secure WebSocket context */
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
swss = lws_create_context(&info);
#else
swss = libwebsocket_create_context(&info);
#endif
if(swss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsockets...\n");
} else {
JANUS_LOG(LOG_INFO, "Secure WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
}
/* Do the same for the Admin API, if enabled */
item = janus_config_get_item_drilldown(config, "admin", "admin_ws");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Admin WebSockets server disabled\n");
} else {
int wsport = 7188;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
/* Prepare context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = admin_wss_protocols;
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
info.extensions = NULL;
#else
info.extensions = libwebsocket_get_internal_extensions();
#endif
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the WebSocket context */
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
admin_wss = lws_create_context(&info);
#else
admin_wss = libwebsocket_create_context(&info);
#endif
if(admin_wss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsockets...\n");
} else {
JANUS_LOG(LOG_INFO, "Admin WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
item = janus_config_get_item_drilldown(config, "admin", "admin_wss");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Secure Admin WebSockets server disabled\n");
} else {
int wsport = 7989;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
item = janus_config_get_item_drilldown(config, "certificates", "cert_pem");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing certificate/key path\n");
} else {
char *server_pem = (char *)item->value;
char *server_key = (char *)item->value;
item = janus_config_get_item_drilldown(config, "certificates", "cert_key");
if(item && item->value)
server_key = (char *)item->value;
JANUS_LOG(LOG_VERB, "Using certificates:\n\t%s\n\t%s\n", server_pem, server_key);
/* Prepare secure context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = admin_swss_protocols;
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
info.extensions = NULL;
#else
info.extensions = libwebsocket_get_internal_extensions();
#endif
info.ssl_cert_filepath = server_pem;
info.ssl_private_key_filepath = server_key;
info.gid = -1;
info.uid = -1;
#if LWS_LIBRARY_VERSION_MAJOR >= 2
info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
#else
info.options = 0;
#endif
/* Create the secure WebSocket context */
#ifdef HAVE_LIBWEBSOCKETS_NEWAPI
admin_swss = lws_create_context(&info);
#else
admin_swss = libwebsocket_create_context(&info);
#endif
if(admin_swss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsockets...\n");
} else {
JANUS_LOG(LOG_INFO, "Secure Admin WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
}
}
janus_config_destroy(config);
config = NULL;
if(!wss && !swss && !admin_wss && !admin_swss) {
JANUS_LOG(LOG_FATAL, "No WebSockets server started, giving up...\n");
return -1; /* No point in keeping the plugin loaded */
}
wss_janus_api_enabled = wss || swss;
wss_admin_api_enabled = admin_wss || admin_swss;
GError *error = NULL;
/* Start the WebSocket service threads */
if(wss != NULL) {
wss_thread = g_thread_try_new("ws thread", &janus_websockets_thread, wss, &error);
if(!wss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
if(swss != NULL) {
swss_thread = g_thread_try_new("sws thread", &janus_websockets_thread, swss, &error);
if(!swss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Secure WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
if(admin_wss != NULL) {
admin_wss_thread = g_thread_try_new("admin ws thread", &janus_websockets_thread, admin_wss, &error);
if(!admin_wss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Admin WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
if(admin_swss != NULL) {
admin_swss_thread = g_thread_try_new("admin sws thread", &janus_websockets_thread, admin_swss, &error);
if(!admin_swss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Secure Admin WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
/* Done */
g_atomic_int_set(&initialized, 1);
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_WEBSOCKETS_NAME);
return 0;
}
/* Transport implementation */
int janus_websockets_init(janus_transport_callbacks *callback, const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
#ifndef LWS_WITH_IPV6
JANUS_LOG(LOG_WARN, "libwebsockets has been built without IPv6 support, will bind to IPv4 only\n");
#endif
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
/* Prepare the common context */
struct lws_context_creation_info wscinfo;
memset(&wscinfo, 0, sizeof wscinfo);
wscinfo.options |= LWS_SERVER_OPTION_EXPLICIT_VHOSTS;
/* We use vhosts on the same context to address both APIs, secure or not */
struct lws_vhost *wss = NULL, *swss = NULL,
*admin_wss = NULL, *admin_swss = NULL;
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_WEBSOCKETS_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL) {
janus_config_print(config);
/* Handle configuration */
janus_config_item *item = janus_config_get_item_drilldown(config, "general", "json");
if(item && item->value) {
/* Check how we need to format/serialize the JSON output */
if(!strcasecmp(item->value, "indented")) {
/* Default: indented, we use three spaces for that */
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "plain")) {
/* Not indented and no new lines, but still readable */
json_format = JSON_INDENT(0) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "compact")) {
/* Compact, so no spaces between separators */
json_format = JSON_COMPACT | JSON_PRESERVE_ORDER;
} else {
JANUS_LOG(LOG_WARN, "Unsupported JSON format option '%s', using default (indented)\n", item->value);
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
}
}
/* Check if we need to send events to handlers */
janus_config_item *events = janus_config_get_item_drilldown(config, "general", "events");
if(events != NULL && events->value != NULL)
notify_events = janus_is_true(events->value);
if(!notify_events && callback->events_is_enabled()) {
JANUS_LOG(LOG_WARN, "Notification of events to handlers disabled for %s\n", JANUS_WEBSOCKETS_NAME);
}
item = janus_config_get_item_drilldown(config, "general", "ws_logging");
if(item && item->value) {
/* libwebsockets uses a mask to set log levels, as documented here:
* https://libwebsockets.org/lws-api-doc-master/html/group__log.html */
if(strstr(item->value, "none")) {
/* Disable libwebsockets logging completely (the default) */
} else if(strstr(item->value, "all")) {
/* Enable all libwebsockets logging */
ws_log_level = LLL_ERR | LLL_WARN | LLL_NOTICE | LLL_INFO |
LLL_DEBUG | LLL_PARSER | LLL_HEADER | LLL_EXT |
LLL_CLIENT | LLL_LATENCY | LLL_USER | LLL_COUNT;
} else {
/* Only enable some of the properties */
if(strstr(item->value, "err"))
ws_log_level |= LLL_ERR;
if(strstr(item->value, "warn"))
ws_log_level |= LLL_WARN;
if(strstr(item->value, "notice"))
ws_log_level |= LLL_NOTICE;
if(strstr(item->value, "info"))
ws_log_level |= LLL_INFO;
if(strstr(item->value, "debug"))
ws_log_level |= LLL_DEBUG;
if(strstr(item->value, "parser"))
ws_log_level |= LLL_PARSER;
if(strstr(item->value, "header"))
ws_log_level |= LLL_HEADER;
if(strstr(item->value, "ext"))
ws_log_level |= LLL_EXT;
if(strstr(item->value, "client"))
ws_log_level |= LLL_CLIENT;
if(strstr(item->value, "latency"))
ws_log_level |= LLL_LATENCY;
if(strstr(item->value, "user"))
ws_log_level |= LLL_USER;
if(strstr(item->value, "count"))
ws_log_level |= LLL_COUNT;
}
}
JANUS_LOG(LOG_INFO, "libwebsockets logging: %d\n", ws_log_level);
lws_set_log_level(ws_log_level, janus_websockets_log_emit_function);
/* Any ACL for either the Janus or Admin API? */
item = janus_config_get_item_drilldown(config, "general", "ws_acl");
if(item && item->value) {
gchar **list = g_strsplit(item->value, ",", -1);
gchar *index = list[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
if(strlen(index) > 0) {
JANUS_LOG(LOG_INFO, "Adding '%s' to the Janus API allowed list...\n", index);
janus_websockets_allow_address(g_strdup(index), FALSE);
}
i++;
index = list[i];
}
}
g_strfreev(list);
list = NULL;
}
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_acl");
if(item && item->value) {
gchar **list = g_strsplit(item->value, ",", -1);
gchar *index = list[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
if(strlen(index) > 0) {
JANUS_LOG(LOG_INFO, "Adding '%s' to the Admin/monitor allowed list...\n", index);
janus_websockets_allow_address(g_strdup(index), TRUE);
}
i++;
index = list[i];
}
}
g_strfreev(list);
list = NULL;
}
/* Check if we need to enable the transport level ping/pong mechanism */
int pingpong_trigger = 0, pingpong_timeout = 0;
item = janus_config_get_item_drilldown(config, "general", "pingpong_trigger");
if(item && item->value) {
#if LWS_LIBRARY_VERSION_MAJOR >= 2 && LWS_LIBRARY_VERSION_MINOR >= 1
pingpong_trigger = atoi(item->value);
if(pingpong_trigger < 0) {
JANUS_LOG(LOG_WARN, "Invalid value for pingpong_trigger (%d), ignoring...\n", pingpong_trigger);
pingpong_trigger = 0;
}
#else
JANUS_LOG(LOG_WARN, "WebSockets ping/pong only supported in libwebsockets >= 2.1\n");
#endif
}
item = janus_config_get_item_drilldown(config, "general", "pingpong_timeout");
if(item && item->value) {
#if LWS_LIBRARY_VERSION_MAJOR >= 2 && LWS_LIBRARY_VERSION_MINOR >= 1
pingpong_timeout = atoi(item->value);
if(pingpong_timeout < 0) {
JANUS_LOG(LOG_WARN, "Invalid value for pingpong_timeout (%d), ignoring...\n", pingpong_timeout);
pingpong_timeout = 0;
}
#else
JANUS_LOG(LOG_WARN, "WebSockets ping/pong only supported in libwebsockets >= 2.1\n");
#endif
}
if((pingpong_trigger && !pingpong_timeout) || (!pingpong_trigger && pingpong_timeout)) {
JANUS_LOG(LOG_WARN, "pingpong_trigger and pingpong_timeout not both set, ignoring...\n");
}
#if LWS_LIBRARY_VERSION_MAJOR >= 2 && LWS_LIBRARY_VERSION_MINOR >= 1
if(pingpong_trigger > 0 && pingpong_timeout > 0) {
wscinfo.ws_ping_pong_interval = pingpong_trigger;
wscinfo.timeout_secs = pingpong_timeout;
}
#endif
/* Force single-thread server */
wscinfo.count_threads = 1;
/* Create the base context */
wsc = lws_create_context(&wscinfo);
if(wsc == NULL) {
JANUS_LOG(LOG_ERR, "Error creating libwebsockets context...\n");
janus_config_destroy(config);
return -1; /* No point in keeping the plugin loaded */
}
/* Setup the Janus API WebSockets server(s) */
item = janus_config_get_item_drilldown(config, "general", "ws");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "WebSockets server disabled\n");
} else {
int wsport = 8188;
item = janus_config_get_item_drilldown(config, "general", "ws_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "general", "ws_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "general", "ws_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
/* Prepare context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = ws_protocols;
info.extensions = NULL;
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
info.ssl_private_key_password = NULL;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the WebSocket context */
wss = lws_create_vhost(wsc, &info);
if(wss == NULL) {
JANUS_LOG(LOG_FATAL, "Error creating vhost for WebSockets server...\n");
} else {
JANUS_LOG(LOG_INFO, "WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
item = janus_config_get_item_drilldown(config, "general", "wss");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Secure WebSockets server disabled\n");
} else {
int wsport = 8989;
item = janus_config_get_item_drilldown(config, "general", "wss_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "general", "wss_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "general", "wss_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
item = janus_config_get_item_drilldown(config, "certificates", "cert_pem");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing certificate/key path\n");
} else {
char *server_pem = (char *)item->value;
char *server_key = (char *)item->value;
char *password = NULL;
item = janus_config_get_item_drilldown(config, "certificates", "cert_key");
if(item && item->value)
server_key = (char *)item->value;
item = janus_config_get_item_drilldown(config, "certificates", "cert_pwd");
if(item && item->value)
password = (char *)item->value;
JANUS_LOG(LOG_VERB, "Using certificates:\n\t%s\n\t%s\n", server_pem, server_key);
/* Prepare secure context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = sws_protocols;
info.extensions = NULL;
info.ssl_cert_filepath = server_pem;
info.ssl_private_key_filepath = server_key;
info.ssl_private_key_password = password;
info.gid = -1;
info.uid = -1;
#if LWS_LIBRARY_VERSION_MAJOR >= 2
info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
#else
info.options = 0;
#endif
/* Create the secure WebSocket context */
swss = lws_create_vhost(wsc, &info);
if(swss == NULL) {
JANUS_LOG(LOG_FATAL, "Error creating vhost for Secure WebSockets server...\n");
} else {
JANUS_LOG(LOG_INFO, "Secure WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
}
/* Do the same for the Admin API, if enabled */
item = janus_config_get_item_drilldown(config, "admin", "admin_ws");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Admin WebSockets server disabled\n");
} else {
int wsport = 7188;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
/* Prepare context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = admin_ws_protocols;
info.extensions = NULL;
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
info.ssl_private_key_password = NULL;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the WebSocket context */
admin_wss = lws_create_vhost(wsc, &info);
if(admin_wss == NULL) {
JANUS_LOG(LOG_FATAL, "Error creating vhost for Admin WebSockets server...\n");
} else {
JANUS_LOG(LOG_INFO, "Admin WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
item = janus_config_get_item_drilldown(config, "admin", "admin_wss");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Secure Admin WebSockets server disabled\n");
} else {
int wsport = 7989;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_port");
if(item && item->value)
wsport = atoi(item->value);
char *interface = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_interface");
if(item && item->value)
interface = (char *)item->value;
char *ip = NULL;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_ip");
if(item && item->value) {
ip = (char *)item->value;
char *iface = janus_websockets_get_interface_name(ip);
if(iface == NULL) {
JANUS_LOG(LOG_WARN, "No interface associated with %s? Falling back to no interface...\n", ip);
}
ip = iface;
}
item = janus_config_get_item_drilldown(config, "certificates", "cert_pem");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing certificate/key path\n");
} else {
char *server_pem = (char *)item->value;
char *server_key = (char *)item->value;
char *password = NULL;
item = janus_config_get_item_drilldown(config, "certificates", "cert_key");
if(item && item->value)
server_key = (char *)item->value;
item = janus_config_get_item_drilldown(config, "certificates", "cert_pwd");
if(item && item->value)
password = (char *)item->value;
JANUS_LOG(LOG_VERB, "Using certificates:\n\t%s\n\t%s\n", server_pem, server_key);
/* Prepare secure context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = ip ? ip : interface;
info.protocols = admin_sws_protocols;
info.extensions = NULL;
info.ssl_cert_filepath = server_pem;
info.ssl_private_key_filepath = server_key;
info.ssl_private_key_password = password;
info.gid = -1;
info.uid = -1;
#if LWS_LIBRARY_VERSION_MAJOR >= 2
info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
#else
info.options = 0;
#endif
/* Create the secure WebSocket context */
admin_swss = lws_create_vhost(wsc, &info);
if(admin_swss == NULL) {
JANUS_LOG(LOG_FATAL, "Error creating vhost for Secure Admin WebSockets server...\n");
} else {
JANUS_LOG(LOG_INFO, "Secure Admin WebSockets server started (port %d)...\n", wsport);
}
g_free(ip);
}
}
}
janus_config_destroy(config);
config = NULL;
if(!wss && !swss && !admin_wss && !admin_swss) {
JANUS_LOG(LOG_WARN, "No WebSockets server started, giving up...\n");
lws_context_destroy(wsc);
return -1; /* No point in keeping the plugin loaded */
}
ws_janus_api_enabled = wss || swss;
ws_admin_api_enabled = admin_wss || admin_swss;
g_atomic_int_set(&initialized, 1);
GError *error = NULL;
/* Start the WebSocket service thread */
if(ws_janus_api_enabled || ws_admin_api_enabled) {
ws_thread = g_thread_try_new("ws thread", &janus_websockets_thread, wsc, &error);
if(!ws_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
/* Done */
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_WEBSOCKETS_NAME);
return 0;
}
/* Transport implementation */
int janus_pfunix_init(janus_transport_callbacks *callback, const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_PFUNIX_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL) {
/* Handle configuration */
janus_config_print(config);
janus_config_item *item = janus_config_get_item_drilldown(config, "general", "json");
if(item && item->value) {
/* Check how we need to format/serialize the JSON output */
if(!strcasecmp(item->value, "indented")) {
/* Default: indented, we use three spaces for that */
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "plain")) {
/* Not indented and no new lines, but still readable */
json_format = JSON_INDENT(0) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "compact")) {
/* Compact, so no spaces between separators */
json_format = JSON_COMPACT | JSON_PRESERVE_ORDER;
} else {
JANUS_LOG(LOG_WARN, "Unsupported JSON format option '%s', using default (indented)\n", item->value);
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
}
}
/* Check if we need to send events to handlers */
janus_config_item *events = janus_config_get_item_drilldown(config, "general", "events");
if(events != NULL && events->value != NULL)
notify_events = janus_is_true(events->value);
if(!notify_events && callback->events_is_enabled()) {
JANUS_LOG(LOG_WARN, "Notification of events to handlers disabled for %s\n", JANUS_PFUNIX_NAME);
}
/* First of all, initialize the socketpair for writeable notifications */
if(socketpair(PF_LOCAL, SOCK_STREAM, 0, write_fd) < 0) {
JANUS_LOG(LOG_FATAL, "Error creating socket pair for writeable events: %d, %s\n", errno, strerror(errno));
return -1;
}
/* Setup the Janus API Unix Sockets server(s) */
item = janus_config_get_item_drilldown(config, "general", "enabled");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Unix Sockets server disabled (Janus API)\n");
} else {
item = janus_config_get_item_drilldown(config, "general", "path");
char *pfname = (char *)(item && item->value ? item->value : NULL);
item = janus_config_get_item_drilldown(config, "general", "type");
const char *type = item && item->value ? item->value : "SOCK_SEQPACKET";
dgram = FALSE;
if(!strcasecmp(type, "SOCK_SEQPACKET")) {
dgram = FALSE;
} else if(!strcasecmp(type, "SOCK_DGRAM")) {
dgram = TRUE;
} else {
JANUS_LOG(LOG_WARN, "Unknown type %s, assuming SOCK_SEQPACKET\n", type);
type = "SOCK_SEQPACKET";
}
if(pfname == NULL) {
JANUS_LOG(LOG_WARN, "No path configured, skipping Unix Sockets server (Janus API)\n");
} else {
JANUS_LOG(LOG_INFO, "Configuring %s Unix Sockets server (Janus API)\n", type);
pfd = janus_pfunix_create_socket(pfname, dgram);
}
}
/* Do the same for the Admin API, if enabled */
item = janus_config_get_item_drilldown(config, "admin", "admin_enabled");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Unix Sockets server disabled (Admin API)\n");
} else {
item = janus_config_get_item_drilldown(config, "admin", "admin_path");
char *pfname = (char *)(item && item->value ? item->value : NULL);
item = janus_config_get_item_drilldown(config, "admin", "admin_type");
const char *type = item && item->value ? item->value : "SOCK_SEQPACKET";
if(!strcasecmp(type, "SOCK_SEQPACKET")) {
admin_dgram = FALSE;
} else if(!strcasecmp(type, "SOCK_DGRAM")) {
admin_dgram = TRUE;
} else {
JANUS_LOG(LOG_WARN, "Unknown type %s, assuming SOCK_SEQPACKET\n", type);
type = "SOCK_SEQPACKET";
}
if(pfname == NULL) {
JANUS_LOG(LOG_WARN, "No path configured, skipping Unix Sockets server (Admin API)\n");
} else {
JANUS_LOG(LOG_INFO, "Configuring %s Unix Sockets server (Admin API)\n", type);
admin_pfd = janus_pfunix_create_socket(pfname, admin_dgram);
}
}
}
janus_config_destroy(config);
config = NULL;
if(pfd < 0 && admin_pfd < 0) {
JANUS_LOG(LOG_WARN, "No Unix Sockets server started, giving up...\n");
return -1; /* No point in keeping the plugin loaded */
}
/* Create a couple of hashtables for all clients */
clients = g_hash_table_new(NULL, NULL);
clients_by_fd = g_hash_table_new(NULL, NULL);
clients_by_path = g_hash_table_new(g_str_hash, g_str_equal);
janus_mutex_init(&clients_mutex);
/* Start the Unix Sockets service thread */
GError *error = NULL;
pfunix_thread = g_thread_try_new("pfunix thread", &janus_pfunix_thread, NULL, &error);
if(!pfunix_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Unix Sockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
/* Done */
g_atomic_int_set(&initialized, 1);
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_PFUNIX_NAME);
return 0;
}
/* Plugin implementation */
int janus_sampleevh_init(const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* Read configuration */
gboolean enabled = FALSE;
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_SAMPLEEVH_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL) {
/* Handle configuration */
janus_config_print(config);
/* Setup the sample event handler, if required */
janus_config_item *item = janus_config_get_item_drilldown(config, "general", "enabled");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Sample event handler disabled (Janus API)\n");
} else {
/* Backend to send events to */
item = janus_config_get_item_drilldown(config, "general", "backend");
if(!item || !item->value || strstr(item->value, "http") != item->value) {
JANUS_LOG(LOG_WARN, "Missing or invalid backend\n");
} else {
backend = g_strdup(item->value);
/* Any credentials needed? */
item = janus_config_get_item_drilldown(config, "general", "backend_user");
backend_user = (item && item->value) ? g_strdup(item->value) : NULL;
item = janus_config_get_item_drilldown(config, "general", "backend_pwd");
backend_pwd = (item && item->value) ? g_strdup(item->value) : NULL;
/* Any specific setting for retransmissions? */
item = janus_config_get_item_drilldown(config, "general", "max_retransmissions");
if(item && item->value) {
int mr = atoi(item->value);
if(mr < 0) {
JANUS_LOG(LOG_WARN, "Invalid negative value for 'max_retransmissions', using default (%d)\n", max_retransmissions);
} else if(mr == 0) {
JANUS_LOG(LOG_WARN, "Retransmissions disabled (max_retransmissions=0)\n");
max_retransmissions = 0;
} else {
max_retransmissions = mr;
}
}
item = janus_config_get_item_drilldown(config, "general", "retransmissions_backoff");
if(item && item->value) {
int rb = atoi(item->value);
if(rb <= 0) {
JANUS_LOG(LOG_WARN, "Invalid negative or null value for 'retransmissions_backoff', using default (%d)\n", retransmissions_backoff);
} else {
retransmissions_backoff = rb;
}
}
/* Which events should we subscribe to? */
item = janus_config_get_item_drilldown(config, "general", "events");
if(item && item->value) {
if(!strcasecmp(item->value, "none")) {
/* Don't subscribe to anything at all */
janus_flags_reset(&janus_sampleevh.events_mask);
} else if(!strcasecmp(item->value, "all")) {
/* Subscribe to everything */
janus_flags_set(&janus_sampleevh.events_mask, JANUS_EVENT_TYPE_ALL);
} else {
/* Check what we need to subscribe to */
gchar **subscribe = g_strsplit(item->value, ",", -1);
if(subscribe != NULL) {
gchar *index = subscribe[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
while(isspace(*index))
index++;
if(strlen(index)) {
if(!strcasecmp(index, "sessions")) {
janus_flags_set(&janus_sampleevh.events_mask, JANUS_EVENT_TYPE_SESSION);
} else if(!strcasecmp(index, "handles")) {
janus_flags_set(&janus_sampleevh.events_mask, JANUS_EVENT_TYPE_HANDLE);
} else if(!strcasecmp(index, "jsep")) {
janus_flags_set(&janus_sampleevh.events_mask, JANUS_EVENT_TYPE_JSEP);
} else if(!strcasecmp(index, "webrtc")) {
janus_flags_set(&janus_sampleevh.events_mask, JANUS_EVENT_TYPE_WEBRTC);
} else if(!strcasecmp(index, "media")) {
janus_flags_set(&janus_sampleevh.events_mask, JANUS_EVENT_TYPE_MEDIA);
} else if(!strcasecmp(index, "plugins")) {
janus_flags_set(&janus_sampleevh.events_mask, JANUS_EVENT_TYPE_PLUGIN);
} else if(!strcasecmp(index, "transports")) {
janus_flags_set(&janus_sampleevh.events_mask, JANUS_EVENT_TYPE_TRANSPORT);
} else if(!strcasecmp(index, "core")) {
janus_flags_set(&janus_sampleevh.events_mask, JANUS_EVENT_TYPE_CORE);
} else {
JANUS_LOG(LOG_WARN, "Unknown event type '%s'\n", index);
}
}
i++;
index = subscribe[i];
}
}
g_strfreev(subscribe);
}
}
}
/* Is grouping of events ok? */
item = janus_config_get_item_drilldown(config, "general", "grouping");
group_events = item && item->value && janus_is_true(item->value);
/* Done */
enabled = TRUE;
}
}
}
janus_config_destroy(config);
config = NULL;
if(!enabled) {
JANUS_LOG(LOG_FATAL, "Sample event handler not enabled/needed, giving up...\n");
return -1; /* No point in keeping the plugin loaded */
}
JANUS_LOG(LOG_VERB, "Sample event handler configured: %s\n", backend);
/* Initialize libcurl, needed for forwarding events via HTTP POST */
curl_global_init(CURL_GLOBAL_ALL);
/* Initialize the events queue */
events = g_async_queue_new_full((GDestroyNotify) janus_sampleevh_event_free);
g_atomic_int_set(&initialized, 1);
/* Launch the thread that will handle incoming events */
GError *error = NULL;
handler_thread = g_thread_try_new("janus sampleevh handler", janus_sampleevh_handler, NULL, &error);
if(error != NULL) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the SampleEventHandler handler thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_SAMPLEEVH_NAME);
return 0;
}
/* Plugin implementation */
int janus_source_init(janus_callbacks *callback, const char *config_path) {
if (g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if (callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_SOURCE_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if (config != NULL)
janus_config_print(config);
/* Parse configuration */
if (config != NULL)
{
GList *cl = janus_config_get_categories(config);
while (cl != NULL)
{
janus_config_category *cat = (janus_config_category *)cl->data;
if (cat->name == NULL)
{
cl = cl->next;
continue;
}
JANUS_LOG(LOG_VERB, "Parsing category '%s'\n", cat->name);
janus_source_parse_ports_range(janus_config_get_item(cat, "udp_port_range"), &udp_min_port, &udp_max_port);
janus_source_parse_keepalive_interval(janus_config_get_item(cat, "keepalive_interval"), &keepalive_interval);
janus_source_parse_status_service_url(janus_config_get_item(cat, "keepalive_service_url"), &keepalive_service_url);
janus_source_parse_status_service_url(janus_config_get_item(cat,"status_service_url"),&status_service_url);
janus_source_parse_video_codec_priority(janus_config_get_item(cat, "video_codec_priority"));
janus_source_parse_rtsp_interface_ip(janus_config_get_item(cat, "interface"),&rtsp_interface_ip);
cl = cl->next;
}
janus_config_destroy(config);
config = NULL;
}
if (udp_min_port <= 0 || udp_max_port <= 0) {
udp_min_port = 4000;
udp_max_port = 5000;
JANUS_LOG(LOG_WARN, "Using default port range: %d-%d\n", udp_min_port, udp_max_port);
}
sessions = g_hash_table_new(NULL, NULL);
janus_mutex_init(&sessions_mutex);
messages = g_async_queue_new_full((GDestroyNotify)janus_source_message_free);
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
g_atomic_int_set(&initialized, 1);
GError *error = NULL;
/* Start the sessions watchdog */
watchdog = g_thread_try_new("source watchdog", &janus_source_watchdog, NULL, &error);
if (error != NULL) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the SourcePlugin watchdog thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
gst_init(NULL, NULL);
gst_debug_set_threshold_from_string(gst_debug_str, FALSE);
curl_handle = curl_init();
socket_utils_init(udp_min_port, udp_max_port);
/* Launch the thread that will handle incoming messages */
handler_thread = g_thread_try_new("janus source handler", janus_source_handler, NULL, &error);
if (error != NULL) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Source handler thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
/* Launch the thread that will handle rtsp clients */
handler_rtsp_thread = g_thread_try_new("rtsp server", janus_source_rtsp_server_thread, NULL, &error);
if (error != NULL) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Source rtsp server thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
/* Set PID */
memset(&PID, 0, JANUS_PID_SIZE);
if (0 > janus_set_pid()) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got an error while plugin id initialize.");
return -1;
}
/*Start the keepalive thread */
keepalive = g_thread_try_new("source keepalive", &janus_source_keepalive, NULL, &error);
if (error != NULL) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the SourcePlugin keepalive thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_SOURCE_NAME);
return 0;
}
int janus_mqtt_init(janus_transport_callbacks *callback, const char *config_path) {
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* Initializing context */
janus_mqtt_context *ctx = g_malloc0(sizeof(struct janus_mqtt_context));
ctx->gateway = callback;
context_ = ctx;
/* Prepare the transport session (again, just one) */
mqtt_session = janus_transport_session_create(context_, NULL);
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.jcfg", config_path, JANUS_MQTT_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config == NULL) {
JANUS_LOG(LOG_WARN, "Couldn't find .jcfg configuration file (%s), trying .cfg\n", JANUS_MQTT_PACKAGE);
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_MQTT_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
config = janus_config_parse(filename);
}
if(config != NULL) {
janus_config_print(config);
}
janus_config_category *config_general = janus_config_get_create(config, NULL, janus_config_type_category, "general");
janus_config_category *config_admin = janus_config_get_create(config, NULL, janus_config_type_category, "admin");
/* Handle configuration */
janus_config_item *url_item = janus_config_get(config, config_general, janus_config_type_item, "url");
const char *url = g_strdup((url_item && url_item->value) ? url_item->value : "tcp://localhost:1883");
janus_config_item *client_id_item = janus_config_get(config, config_general, janus_config_type_item, "client_id");
const char *client_id = g_strdup((client_id_item && client_id_item->value) ? client_id_item->value : "guest");
janus_config_item *username_item = janus_config_get(config, config_general, janus_config_type_item, "username");
ctx->connect.username = g_strdup((username_item && username_item->value) ? username_item->value : "guest");
janus_config_item *password_item = janus_config_get(config, config_general, janus_config_type_item, "password");
ctx->connect.password = g_strdup((password_item && password_item->value) ? password_item->value : "guest");
janus_config_item *json_item = janus_config_get(config, config_general, janus_config_type_item, "json");
if(json_item && json_item->value) {
/* Check how we need to format/serialize the JSON output */
if(!strcasecmp(json_item->value, "indented")) {
/* Default: indented, we use three spaces for that */
json_format_ = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(json_item->value, "plain")) {
/* Not indented and no new lines, but still readable */
json_format_ = JSON_INDENT(0) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(json_item->value, "compact")) {
/* Compact, so no spaces between separators */
json_format_ = JSON_COMPACT | JSON_PRESERVE_ORDER;
} else {
JANUS_LOG(LOG_WARN, "Unsupported JSON format option '%s', using default (indented)\n", json_item->value);
json_format_ = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
}
}
/* Check if we need to send events to handlers */
janus_config_item *events_item = janus_config_get(config, config_general, janus_config_type_item, "events");
if(events_item && events_item->value)
notify_events = janus_is_true(events_item->value);
if(!notify_events && callback->events_is_enabled()) {
JANUS_LOG(LOG_WARN, "Notification of events to handlers disabled for %s\n", JANUS_MQTT_NAME);
}
/* Check if we need to enable SSL support */
janus_config_item *ssl_item = janus_config_get(config, config_general, janus_config_type_item, "ssl_enabled");
if(ssl_item == NULL) {
/* Try legacy property */
ssl_item = janus_config_get(config, config_general, janus_config_type_item, "ssl_enable");
if (ssl_item && ssl_item->value) {
JANUS_LOG(LOG_WARN, "Found deprecated 'ssl_enable' property, please update it to 'ssl_enabled' instead\n");
}
}
if(ssl_item && ssl_item->value && janus_is_true(ssl_item->value)) {
if(strstr(url, "ssl://") != url)
JANUS_LOG(LOG_WARN, "SSL enabled, but MQTT url doesn't start with ssl://...\n");
ctx->ssl_enabled = TRUE;
janus_config_item *cacertfile = janus_config_get(config, config_general, janus_config_type_item, "cacertfile");
if(!cacertfile || !cacertfile->value) {
JANUS_LOG(LOG_FATAL, "Missing CA certificate for MQTT integration...\n");
goto error;
}
ctx->cacert_file = g_strdup(cacertfile->value);
janus_config_item *certfile = janus_config_get(config, config_general, janus_config_type_item, "certfile");
ctx->cert_file = (certfile && certfile->value) ? g_strdup(certfile->value) : NULL;
janus_config_item *keyfile = janus_config_get(config, config_general, janus_config_type_item, "keyfile");
ctx->key_file = (keyfile && keyfile->value) ? g_strdup(keyfile->value) : NULL;
if(ctx->cert_file && !ctx->key_file) {
JANUS_LOG(LOG_FATAL, "Certificate is set but key isn't for MQTT integration...\n");
goto error;
}
if(!ctx->cert_file && ctx->key_file) {
JANUS_LOG(LOG_FATAL, "Key is set but certificate isn't for MQTT integration...\n");
goto error;
}
janus_config_item *verify = janus_config_get(config, config_general, janus_config_type_item, "verify_peer");
ctx->verify_peer = (verify && verify->value && janus_is_true(verify->value)) ? TRUE : FALSE;
} else {
JANUS_LOG(LOG_INFO, "MQTT SSL support disabled\n");
if(strstr(url, "ssl://") == url)
JANUS_LOG(LOG_WARN, "SSL disabled, but MQTT url starts with ssl:// instead of tcp://...\n");
}
/* Connect configuration */
janus_config_item *keep_alive_interval_item = janus_config_get(config, config_general, janus_config_type_item, "keep_alive_interval");
ctx->connect.keep_alive_interval = (keep_alive_interval_item && keep_alive_interval_item->value) ? atoi(keep_alive_interval_item->value) : 20;
janus_config_item *cleansession_item = janus_config_get(config, config_general, janus_config_type_item, "cleansession");
ctx->connect.cleansession = (cleansession_item && cleansession_item->value) ? atoi(cleansession_item->value) : 0;
/* Disconnect configuration */
janus_config_item *disconnect_timeout_item = janus_config_get(config, config_general, janus_config_type_item, "disconnect_timeout");
ctx->disconnect.timeout = (disconnect_timeout_item && disconnect_timeout_item->value) ? atoi(disconnect_timeout_item->value) : 100;
janus_config_item *enabled_item = janus_config_get(config, config_general, janus_config_type_item, "enabled");
if(enabled_item == NULL) {
/* Try legacy property */
enabled_item = janus_config_get(config, config_general, janus_config_type_item, "enable");
if (enabled_item && enabled_item->value) {
JANUS_LOG(LOG_WARN, "Found deprecated 'enable' property, please update it to 'enabled' instead\n");
}
}
if(enabled_item && enabled_item->value && janus_is_true(enabled_item->value)) {
janus_mqtt_api_enabled_ = TRUE;
/* Subscribe configuration */
{
janus_config_item *topic_item = janus_config_get(config, config_general, janus_config_type_item, "subscribe_topic");
if(!topic_item || !topic_item->value) {
JANUS_LOG(LOG_FATAL, "Missing topic for incoming messages for MQTT integration...\n");
goto error;
}
ctx->subscribe.topic = g_strdup(topic_item->value);
janus_config_item *qos_item = janus_config_get(config, config_general, janus_config_type_item, "subscribe_qos");
ctx->subscribe.qos = (qos_item && qos_item->value) ? atoi(qos_item->value) : 1;
}
/* Publish configuration */
{
janus_config_item *topic_item = janus_config_get(config, config_general, janus_config_type_item, "publish_topic");
if(!topic_item || !topic_item->value) {
JANUS_LOG(LOG_FATAL, "Missing topic for outgoing messages for MQTT integration...\n");
goto error;
}
ctx->publish.topic = g_strdup(topic_item->value);
janus_config_item *qos_item = janus_config_get(config, config_general, janus_config_type_item, "publish_qos");
ctx->publish.qos = (qos_item && qos_item->value) ? atoi(qos_item->value) : 1;
}
} else {
janus_mqtt_api_enabled_ = FALSE;
ctx->subscribe.topic = NULL;
ctx->publish.topic = NULL;
}
/* Admin configuration */
janus_config_item *admin_enabled_item = janus_config_get(config, config_admin, janus_config_type_item, "admin_enabled");
if(admin_enabled_item == NULL) {
/* Try legacy property */
admin_enabled_item = janus_config_get(config, config_general, janus_config_type_item, "admin_enable");
if (admin_enabled_item && admin_enabled_item->value) {
JANUS_LOG(LOG_WARN, "Found deprecated 'admin_enable' property, please update it to 'admin_enabled' instead\n");
}
}
if(admin_enabled_item && admin_enabled_item->value && janus_is_true(admin_enabled_item->value)) {
janus_mqtt_admin_api_enabled_ = TRUE;
/* Admin subscribe configuration */
{
janus_config_item *topic_item = janus_config_get(config, config_admin, janus_config_type_item, "subscribe_topic");
if(!topic_item || !topic_item->value) {
JANUS_LOG(LOG_FATAL, "Missing topic for incoming admin messages for MQTT integration...\n");
goto error;
}
ctx->admin.subscribe.topic = g_strdup(topic_item->value);
janus_config_item *qos_item = janus_config_get(config, config_admin, janus_config_type_item, "subscribe_qos");
ctx->admin.subscribe.qos = (qos_item && qos_item->value) ? atoi(qos_item->value) : 1;
}
/* Admin publish configuration */
{
janus_config_item *topic_item = janus_config_get(config, config_admin, janus_config_type_item, "publish_topic");
if(!topic_item || !topic_item->value) {
JANUS_LOG(LOG_FATAL, "Missing topic for outgoing admin messages for MQTT integration...\n");
goto error;
}
ctx->admin.publish.topic = g_strdup(topic_item->value);
janus_config_item *qos_item = janus_config_get(config, config_admin, janus_config_type_item, "publish_qos");
ctx->admin.publish.qos = (qos_item && qos_item->value) ? atoi(qos_item->value) : 1;
}
} else {
janus_mqtt_admin_api_enabled_ = FALSE;
ctx->admin.subscribe.topic = NULL;
ctx->admin.publish.topic = NULL;
}
if(!janus_mqtt_api_enabled_ && !janus_mqtt_admin_api_enabled_) {
JANUS_LOG(LOG_WARN, "MQTT support disabled for both Janus and Admin API, giving up\n");
goto error;
}
/* Creating a client */
if(MQTTAsync_create(
&ctx->client,
url,
client_id,
MQTTCLIENT_PERSISTENCE_NONE,
NULL) != MQTTASYNC_SUCCESS) {
JANUS_LOG(LOG_FATAL, "Can't connect to MQTT broker: error creating client...\n");
goto error;
}
if(MQTTAsync_setCallbacks(
ctx->client,
ctx,
janus_mqtt_client_connection_lost,
janus_mqtt_client_message_arrived,
janus_mqtt_client_delivery_complete) != MQTTASYNC_SUCCESS) {
JANUS_LOG(LOG_FATAL, "Can't connect to MQTT broker: error setting up callbacks...\n");
goto error;
}
/* Connecting to the broker */
int rc = janus_mqtt_client_connect(ctx);
if(rc != MQTTASYNC_SUCCESS) {
JANUS_LOG(LOG_FATAL, "Can't connect to MQTT broker, return code: %d\n", rc);
goto error;
}
g_free((char *)url);
g_free((char *)client_id);
janus_config_destroy(config);
return 0;
error:
/* If we got here, something went wrong */
janus_transport_session_destroy(mqtt_session);
janus_mqtt_client_destroy_context(&ctx);
g_free((char *)url);
g_free((char *)client_id);
janus_config_destroy(config);
return -1;
}
/* Transport implementation */
int janus_websockets_init(janus_transport_callbacks *callback, const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_WEBSOCKETS_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL) {
janus_config_print(config);
/* Handle configuration */
janus_config_item *item = janus_config_get_item_drilldown(config, "general", "ws_logging");
if(item && item->value) {
ws_log_level = atoi(item->value);
if(ws_log_level < 0)
ws_log_level = 0;
}
JANUS_LOG(LOG_VERB, "libwebsockets logging: %d\n", ws_log_level);
lws_set_log_level(ws_log_level, NULL);
old_wss = NULL;
janus_mutex_init(&old_wss_mutex);
/* Any ACL for either the Janus or Admin API? */
item = janus_config_get_item_drilldown(config, "general", "ws_acl");
if(item && item->value) {
gchar **list = g_strsplit(item->value, ",", -1);
gchar *index = list[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
if(strlen(index) > 0) {
JANUS_LOG(LOG_INFO, "Adding '%s' to the Janus API allowed list...\n", index);
janus_websockets_allow_address(g_strdup(index), FALSE);
}
i++;
index = list[i];
}
}
g_strfreev(list);
list = NULL;
}
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_acl");
if(item && item->value) {
gchar **list = g_strsplit(item->value, ",", -1);
gchar *index = list[0];
if(index != NULL) {
int i=0;
while(index != NULL) {
if(strlen(index) > 0) {
JANUS_LOG(LOG_INFO, "Adding '%s' to the Admin/monitor allowed list...\n", index);
janus_websockets_allow_address(g_strdup(index), TRUE);
}
i++;
index = list[i];
}
}
g_strfreev(list);
list = NULL;
}
/* Setup the Janus API WebSockets server(s) */
item = janus_config_get_item_drilldown(config, "general", "ws");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "WebSockets server disabled\n");
} else {
int wsport = 8188;
item = janus_config_get_item_drilldown(config, "general", "ws_port");
if(item && item->value)
wsport = atoi(item->value);
/* Prepare context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = NULL;
info.protocols = wss_protocols;
info.extensions = libwebsocket_get_internal_extensions();
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the WebSocket context */
wss = libwebsocket_create_context(&info);
if(wss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsock...\n");
} else {
JANUS_LOG(LOG_INFO, "WebSockets server started (port %d)...\n", wsport);
}
}
item = janus_config_get_item_drilldown(config, "general", "wss");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Secure WebSockets server disabled\n");
} else {
int wsport = 8989;
item = janus_config_get_item_drilldown(config, "general", "wss_port");
if(item && item->value)
wsport = atoi(item->value);
item = janus_config_get_item_drilldown(config, "certificates", "cert_pem");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing certificate/key path\n");
} else {
char *server_pem = (char *)item->value;
char *server_key = (char *)item->value;
item = janus_config_get_item_drilldown(config, "certificates", "cert_key");
if(item && item->value)
server_key = (char *)item->value;
JANUS_LOG(LOG_VERB, "Using certificates:\n\t%s\n\t%s\n", server_pem, server_key);
/* Prepare secure context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = NULL;
info.protocols = swss_protocols;
info.extensions = libwebsocket_get_internal_extensions();
info.ssl_cert_filepath = server_pem;
info.ssl_private_key_filepath = server_key;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the secure WebSocket context */
swss = libwebsocket_create_context(&info);
if(swss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsock...\n");
} else {
JANUS_LOG(LOG_INFO, "Secure WebSockets server started (port %d)...\n", wsport);
}
}
}
/* Do the same for the Admin API, if enabled */
item = janus_config_get_item_drilldown(config, "admin", "admin_ws");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Admin WebSockets server disabled\n");
} else {
int wsport = 7188;
item = janus_config_get_item_drilldown(config, "admin", "admin_ws_port");
if(item && item->value)
wsport = atoi(item->value);
/* Prepare context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = NULL;
info.protocols = admin_wss_protocols;
info.extensions = libwebsocket_get_internal_extensions();
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the WebSocket context */
admin_wss = libwebsocket_create_context(&info);
if(admin_wss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsock...\n");
} else {
JANUS_LOG(LOG_INFO, "Admin WebSockets server started (port %d)...\n", wsport);
}
}
item = janus_config_get_item_drilldown(config, "admin", "admin_wss");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Secure Admin WebSockets server disabled\n");
} else {
int wsport = 7989;
item = janus_config_get_item_drilldown(config, "admin", "admin_wss_port");
if(item && item->value)
wsport = atoi(item->value);
item = janus_config_get_item_drilldown(config, "certificates", "cert_pem");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing certificate/key path\n");
} else {
char *server_pem = (char *)item->value;
char *server_key = (char *)item->value;
item = janus_config_get_item_drilldown(config, "certificates", "cert_key");
if(item && item->value)
server_key = (char *)item->value;
JANUS_LOG(LOG_VERB, "Using certificates:\n\t%s\n\t%s\n", server_pem, server_key);
/* Prepare secure context */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = wsport;
info.iface = NULL;
info.protocols = admin_swss_protocols;
info.extensions = libwebsocket_get_internal_extensions();
info.ssl_cert_filepath = server_pem;
info.ssl_private_key_filepath = server_key;
info.gid = -1;
info.uid = -1;
info.options = 0;
/* Create the secure WebSocket context */
admin_swss = libwebsocket_create_context(&info);
if(admin_swss == NULL) {
JANUS_LOG(LOG_FATAL, "Error initializing libwebsock...\n");
} else {
JANUS_LOG(LOG_INFO, "Secure Admin WebSockets server started (port %d)...\n", wsport);
}
}
}
}
janus_config_destroy(config);
config = NULL;
if(!wss && !swss && !admin_wss && !admin_swss) {
JANUS_LOG(LOG_FATAL, "No WebSockets server started, giving up...\n");
return -1; /* No point in keeping the plugin loaded */
}
wss_janus_api_enabled = wss || swss;
wss_admin_api_enabled = admin_wss || admin_swss;
GError *error = NULL;
/* Start the WebSocket service threads */
if(wss != NULL) {
wss_thread = g_thread_try_new("websockets thread", &janus_websockets_thread, wss, &error);
if(!wss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
if(swss != NULL) {
swss_thread = g_thread_try_new("secure websockets thread", &janus_websockets_thread, swss, &error);
if(!swss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Secure WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
if(admin_wss != NULL) {
admin_wss_thread = g_thread_try_new("admin websockets thread", &janus_websockets_thread, admin_wss, &error);
if(!admin_wss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Admin WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
if(admin_swss != NULL) {
admin_swss_thread = g_thread_try_new("secure admin websockets thread", &janus_websockets_thread, admin_swss, &error);
if(!admin_swss_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Secure Admin WebSockets thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
}
/* Done */
g_atomic_int_set(&initialized, 1);
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_WEBSOCKETS_NAME);
return 0;
}
/* Transport implementation */
int janus_rabbitmq_init(janus_transport_callbacks *callback, const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* This is the callback we'll need to invoke to contact the Janus core */
gateway = callback;
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.jcfg", config_path, JANUS_RABBITMQ_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config == NULL) {
JANUS_LOG(LOG_WARN, "Couldn't find .jcfg configuration file (%s), trying .cfg\n", JANUS_RABBITMQ_PACKAGE);
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_RABBITMQ_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
config = janus_config_parse(filename);
}
if(config != NULL)
janus_config_print(config);
janus_config_category *config_general = janus_config_get_create(config, NULL, janus_config_type_category, "general");
janus_config_category *config_admin = janus_config_get_create(config, NULL, janus_config_type_category, "admin");
janus_config_item *item = janus_config_get(config, config_general, janus_config_type_item, "json");
if(item && item->value) {
/* Check how we need to format/serialize the JSON output */
if(!strcasecmp(item->value, "indented")) {
/* Default: indented, we use three spaces for that */
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "plain")) {
/* Not indented and no new lines, but still readable */
json_format = JSON_INDENT(0) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "compact")) {
/* Compact, so no spaces between separators */
json_format = JSON_COMPACT | JSON_PRESERVE_ORDER;
} else {
JANUS_LOG(LOG_WARN, "Unsupported JSON format option '%s', using default (indented)\n", item->value);
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
}
}
/* Check if we need to send events to handlers */
janus_config_item *events = janus_config_get(config, config_general, janus_config_type_item, "events");
if(events != NULL && events->value != NULL)
notify_events = janus_is_true(events->value);
if(!notify_events && callback->events_is_enabled()) {
JANUS_LOG(LOG_WARN, "Notification of events to handlers disabled for %s\n", JANUS_RABBITMQ_NAME);
}
/* Handle configuration, starting from the server details */
item = janus_config_get(config, config_general, janus_config_type_item, "host");
if(item && item->value)
rmqhost = g_strdup(item->value);
else
rmqhost = g_strdup("localhost");
int rmqport = AMQP_PROTOCOL_PORT;
item = janus_config_get(config, config_general, janus_config_type_item, "port");
if(item && item->value)
rmqport = atoi(item->value);
/* Credentials and Virtual Host */
item = janus_config_get(config, config_general, janus_config_type_item, "vhost");
if(item && item->value)
vhost = g_strdup(item->value);
else
vhost = g_strdup("/");
item = janus_config_get(config, config_general, janus_config_type_item, "username");
if(item && item->value)
username = g_strdup(item->value);
else
username = g_strdup("guest");
item = janus_config_get(config, config_general, janus_config_type_item, "password");
if(item && item->value)
password = g_strdup(item->value);
else
password = g_strdup("guest");
/* SSL config*/
gboolean ssl_enabled = FALSE;
gboolean ssl_verify_peer = FALSE;
gboolean ssl_verify_hostname = FALSE;
item = janus_config_get(config, config_general, janus_config_type_item, "ssl_enabled");
if(item == NULL) {
/* Try legacy property */
item = janus_config_get(config, config_general, janus_config_type_item, "ssl_enable");
if (item && item->value) {
JANUS_LOG(LOG_WARN, "Found deprecated 'ssl_enable' property, please update it to 'ssl_enabled' instead\n");
}
}
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_INFO, "RabbitMQ SSL support disabled\n");
} else {
ssl_enabled = TRUE;
item = janus_config_get(config, config_general, janus_config_type_item, "ssl_cacert");
if(item && item->value)
ssl_cacert_file = g_strdup(item->value);
item = janus_config_get(config, config_general, janus_config_type_item, "ssl_cert");
if(item && item->value)
ssl_cert_file = g_strdup(item->value);
item = janus_config_get(config, config_general, janus_config_type_item, "ssl_key");
if(item && item->value)
ssl_key_file = g_strdup(item->value);
item = janus_config_get(config, config_general, janus_config_type_item, "ssl_verify_peer");
if(item && item->value && janus_is_true(item->value))
ssl_verify_peer = TRUE;
item = janus_config_get(config, config_general, janus_config_type_item, "ssl_verify_hostname");
if(item && item->value && janus_is_true(item->value))
ssl_verify_hostname = TRUE;
}
/* Now check if the Janus API must be supported */
item = janus_config_get(config, config_general, janus_config_type_item, "enabled");
if(item == NULL) {
/* Try legacy property */
item = janus_config_get(config, config_general, janus_config_type_item, "enable");
if (item && item->value) {
JANUS_LOG(LOG_WARN, "Found deprecated 'enable' property, please update it to 'enabled' instead\n");
}
}
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "RabbitMQ support disabled (Janus API)\n");
} else {
/* Parse configuration */
item = janus_config_get(config, config_general, janus_config_type_item, "to_janus");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing name of incoming queue for RabbitMQ integration...\n");
goto error;
}
to_janus = g_strdup(item->value);
item = janus_config_get(config, config_general, janus_config_type_item, "from_janus");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing name of outgoing queue for RabbitMQ integration...\n");
goto error;
}
from_janus = g_strdup(item->value);
item = janus_config_get(config, config_general, janus_config_type_item, "janus_exchange");
if(!item || !item->value) {
JANUS_LOG(LOG_INFO, "Missing name of outgoing exchange for RabbitMQ integration, using default\n");
} else {
janus_exchange = g_strdup(item->value);
}
if (janus_exchange == NULL) {
JANUS_LOG(LOG_INFO, "RabbitMQ support for Janus API enabled, %s:%d (%s/%s)\n", rmqhost, rmqport, to_janus, from_janus);
} else {
JANUS_LOG(LOG_INFO, "RabbitMQ support for Janus API enabled, %s:%d (%s/%s) exch: (%s)\n", rmqhost, rmqport, to_janus, from_janus, janus_exchange);
}
rmq_janus_api_enabled = TRUE;
}
/* Do the same for the admin API */
item = janus_config_get(config, config_admin, janus_config_type_item, "admin_enabled");
if(item == NULL) {
/* Try legacy property */
item = janus_config_get(config, config_general, janus_config_type_item, "admin_enable");
if (item && item->value) {
JANUS_LOG(LOG_WARN, "Found deprecated 'admin_enable' property, please update it to 'admin_enabled' instead\n");
}
}
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "RabbitMQ support disabled (Admin API)\n");
} else {
/* Parse configuration */
item = janus_config_get(config, config_admin, janus_config_type_item, "to_janus_admin");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing name of incoming queue for RabbitMQ integration...\n");
goto error;
}
to_janus_admin = g_strdup(item->value);
item = janus_config_get(config, config_admin, janus_config_type_item, "from_janus_admin");
if(!item || !item->value) {
JANUS_LOG(LOG_FATAL, "Missing name of outgoing queue for RabbitMQ integration...\n");
goto error;
}
from_janus_admin = g_strdup(item->value);
JANUS_LOG(LOG_INFO, "RabbitMQ support for Admin API enabled, %s:%d (%s/%s)\n", rmqhost, rmqport, to_janus_admin, from_janus_admin);
rmq_admin_api_enabled = TRUE;
}
if(!rmq_janus_api_enabled && !rmq_admin_api_enabled) {
JANUS_LOG(LOG_WARN, "RabbitMQ support disabled for both Janus and Admin API, giving up\n");
goto error;
} else {
/* FIXME We currently support a single application, create a new janus_rabbitmq_client instance */
rmq_client = g_malloc0(sizeof(janus_rabbitmq_client));
/* Connect */
rmq_client->rmq_conn = amqp_new_connection();
amqp_socket_t *socket = NULL;
int status;
JANUS_LOG(LOG_VERB, "Creating RabbitMQ socket...\n");
if (ssl_enabled) {
socket = amqp_ssl_socket_new(rmq_client->rmq_conn);
if(socket == NULL) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error creating socket...\n");
goto error;
}
if(ssl_verify_peer) {
amqp_ssl_socket_set_verify_peer(socket, 1);
} else {
amqp_ssl_socket_set_verify_peer(socket, 0);
}
if(ssl_verify_hostname) {
amqp_ssl_socket_set_verify_hostname(socket, 1);
} else {
amqp_ssl_socket_set_verify_hostname(socket, 0);
}
if(ssl_cacert_file) {
status = amqp_ssl_socket_set_cacert(socket, ssl_cacert_file);
if(status != AMQP_STATUS_OK) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error setting CA certificate... (%s)\n", amqp_error_string2(status));
goto error;
}
}
if(ssl_cert_file && ssl_key_file) {
status = amqp_ssl_socket_set_key(socket, ssl_cert_file, ssl_key_file);
if(status != AMQP_STATUS_OK) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error setting key... (%s)\n", amqp_error_string2(status));
goto error;
}
}
} else {
socket = amqp_tcp_socket_new(rmq_client->rmq_conn);
if(socket == NULL) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error creating socket...\n");
goto error;
}
}
JANUS_LOG(LOG_VERB, "Connecting to RabbitMQ server...\n");
status = amqp_socket_open(socket, rmqhost, rmqport);
if(status != AMQP_STATUS_OK) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error opening socket... (%s)\n", amqp_error_string2(status));
goto error;
}
JANUS_LOG(LOG_VERB, "Logging in...\n");
amqp_rpc_reply_t result = amqp_login(rmq_client->rmq_conn, vhost, 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, username, password);
if(result.reply_type != AMQP_RESPONSE_NORMAL) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error logging in... %s, %s\n", amqp_error_string2(result.library_error), amqp_method_name(result.reply.id));
goto error;
}
rmq_client->rmq_channel = 1;
JANUS_LOG(LOG_VERB, "Opening channel...\n");
amqp_channel_open(rmq_client->rmq_conn, rmq_client->rmq_channel);
result = amqp_get_rpc_reply(rmq_client->rmq_conn);
if(result.reply_type != AMQP_RESPONSE_NORMAL) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error opening channel... %s, %s\n", amqp_error_string2(result.library_error), amqp_method_name(result.reply.id));
goto error;
}
rmq_client->janus_exchange = amqp_empty_bytes;
if(janus_exchange != NULL) {
JANUS_LOG(LOG_VERB, "Declaring exchange...\n");
rmq_client->janus_exchange = amqp_cstring_bytes(janus_exchange);
amqp_exchange_declare(rmq_client->rmq_conn, rmq_client->rmq_channel, rmq_client->janus_exchange, amqp_cstring_bytes(JANUS_RABBITMQ_EXCHANGE_TYPE), 0, 0, 0, 0, amqp_empty_table);
result = amqp_get_rpc_reply(rmq_client->rmq_conn);
if(result.reply_type != AMQP_RESPONSE_NORMAL) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error diclaring exchange... %s, %s\n", amqp_error_string2(result.library_error), amqp_method_name(result.reply.id));
goto error;
}
}
rmq_client->janus_api_enabled = FALSE;
if(rmq_janus_api_enabled) {
rmq_client->janus_api_enabled = TRUE;
JANUS_LOG(LOG_VERB, "Declaring incoming queue... (%s)\n", to_janus);
rmq_client->to_janus_queue = amqp_cstring_bytes(to_janus);
amqp_queue_declare(rmq_client->rmq_conn, rmq_client->rmq_channel, rmq_client->to_janus_queue, 0, 0, 0, 0, amqp_empty_table);
result = amqp_get_rpc_reply(rmq_client->rmq_conn);
if(result.reply_type != AMQP_RESPONSE_NORMAL) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error declaring queue... %s, %s\n", amqp_error_string2(result.library_error), amqp_method_name(result.reply.id));
goto error;
}
JANUS_LOG(LOG_VERB, "Declaring outgoing queue... (%s)\n", from_janus);
rmq_client->from_janus_queue = amqp_cstring_bytes(from_janus);
amqp_queue_declare(rmq_client->rmq_conn, rmq_client->rmq_channel, rmq_client->from_janus_queue, 0, 0, 0, 0, amqp_empty_table);
result = amqp_get_rpc_reply(rmq_client->rmq_conn);
if(result.reply_type != AMQP_RESPONSE_NORMAL) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error declaring queue... %s, %s\n", amqp_error_string2(result.library_error), amqp_method_name(result.reply.id));
goto error;
}
amqp_basic_consume(rmq_client->rmq_conn, rmq_client->rmq_channel, rmq_client->to_janus_queue, amqp_empty_bytes, 0, 1, 0, amqp_empty_table);
result = amqp_get_rpc_reply(rmq_client->rmq_conn);
if(result.reply_type != AMQP_RESPONSE_NORMAL) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error consuming... %s, %s\n", amqp_error_string2(result.library_error), amqp_method_name(result.reply.id));
goto error;
}
}
rmq_client->admin_api_enabled = FALSE;
if(rmq_admin_api_enabled) {
rmq_client->admin_api_enabled = TRUE;
JANUS_LOG(LOG_VERB, "Declaring incoming queue... (%s)\n", to_janus_admin);
rmq_client->to_janus_admin_queue = amqp_cstring_bytes(to_janus_admin);
amqp_queue_declare(rmq_client->rmq_conn, rmq_client->rmq_channel, rmq_client->to_janus_admin_queue, 0, 0, 0, 0, amqp_empty_table);
result = amqp_get_rpc_reply(rmq_client->rmq_conn);
if(result.reply_type != AMQP_RESPONSE_NORMAL) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error declaring queue... %s, %s\n", amqp_error_string2(result.library_error), amqp_method_name(result.reply.id));
goto error;
}
JANUS_LOG(LOG_VERB, "Declaring outgoing queue... (%s)\n", from_janus_admin);
rmq_client->from_janus_admin_queue = amqp_cstring_bytes(from_janus_admin);
amqp_queue_declare(rmq_client->rmq_conn, rmq_client->rmq_channel, rmq_client->from_janus_admin_queue, 0, 0, 0, 0, amqp_empty_table);
result = amqp_get_rpc_reply(rmq_client->rmq_conn);
if(result.reply_type != AMQP_RESPONSE_NORMAL) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error declaring queue... %s, %s\n", amqp_error_string2(result.library_error), amqp_method_name(result.reply.id));
goto error;
}
amqp_basic_consume(rmq_client->rmq_conn, rmq_client->rmq_channel, rmq_client->to_janus_admin_queue, amqp_empty_bytes, 0, 1, 0, amqp_empty_table);
result = amqp_get_rpc_reply(rmq_client->rmq_conn);
if(result.reply_type != AMQP_RESPONSE_NORMAL) {
JANUS_LOG(LOG_FATAL, "Can't connect to RabbitMQ server: error consuming... %s, %s\n", amqp_error_string2(result.library_error), amqp_method_name(result.reply.id));
goto error;
}
}
rmq_client->messages = g_async_queue_new();
rmq_client->destroy = 0;
/* Prepare the transport session (again, just one) */
rmq_session = janus_transport_session_create(rmq_client, NULL);
/* Start the threads */
GError *error = NULL;
rmq_client->in_thread = g_thread_try_new("rmq_in_thread", &janus_rmq_in_thread, rmq_client, &error);
if(error != NULL) {
/* Something went wrong... */
JANUS_LOG(LOG_FATAL, "Got error %d (%s) trying to launch the RabbitMQ incoming thread...\n", error->code, error->message ? error->message : "??");
janus_transport_session_destroy(rmq_session);
g_free(rmq_client);
janus_config_destroy(config);
return -1;
}
rmq_client->out_thread = g_thread_try_new("rmq_out_thread", &janus_rmq_out_thread, rmq_client, &error);
if(error != NULL) {
/* Something went wrong... */
JANUS_LOG(LOG_FATAL, "Got error %d (%s) trying to launch the RabbitMQ outgoing thread...\n", error->code, error->message ? error->message : "??");
janus_transport_session_destroy(rmq_session);
g_free(rmq_client);
janus_config_destroy(config);
return -1;
}
janus_mutex_init(&rmq_client->mutex);
/* Done */
JANUS_LOG(LOG_INFO, "Setup of RabbitMQ integration completed\n");
/* Notify handlers about this new transport */
if(notify_events && gateway->events_is_enabled()) {
json_t *info = json_object();
json_object_set_new(info, "event", json_string("connected"));
gateway->notify_event(&janus_rabbitmq_transport, rmq_session, info);
}
}
janus_config_destroy(config);
config = NULL;
/* Done */
g_atomic_int_set(&initialized, 1);
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_RABBITMQ_NAME);
return 0;
error:
/* If we got here, something went wrong */
g_free(rmq_client);
g_free(rmqhost);
g_free(vhost);
g_free(username);
g_free(password);
g_free(janus_exchange);
g_free(to_janus);
g_free(from_janus);
g_free(to_janus_admin);
g_free(from_janus_admin);
g_free(ssl_cacert_file);
g_free(ssl_cert_file);
g_free(ssl_key_file);
if(config)
janus_config_destroy(config);
return -1;
}
/* Transport implementation */
int janus_nanomsg_init(janus_transport_callbacks *callback, const char *config_path) {
if(g_atomic_int_get(&stopping)) {
/* Still stopping from before */
return -1;
}
if(callback == NULL || config_path == NULL) {
/* Invalid arguments */
return -1;
}
/* This is the callback we'll need to invoke to contact the gateway */
gateway = callback;
/* Read configuration */
char filename[255];
g_snprintf(filename, 255, "%s/%s.cfg", config_path, JANUS_NANOMSG_PACKAGE);
JANUS_LOG(LOG_VERB, "Configuration file: %s\n", filename);
janus_config *config = janus_config_parse(filename);
if(config != NULL) {
/* Handle configuration */
janus_config_print(config);
janus_config_item *item = janus_config_get_item_drilldown(config, "general", "json");
if(item && item->value) {
/* Check how we need to format/serialize the JSON output */
if(!strcasecmp(item->value, "indented")) {
/* Default: indented, we use three spaces for that */
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "plain")) {
/* Not indented and no new lines, but still readable */
json_format = JSON_INDENT(0) | JSON_PRESERVE_ORDER;
} else if(!strcasecmp(item->value, "compact")) {
/* Compact, so no spaces between separators */
json_format = JSON_COMPACT | JSON_PRESERVE_ORDER;
} else {
JANUS_LOG(LOG_WARN, "Unsupported JSON format option '%s', using default (indented)\n", item->value);
json_format = JSON_INDENT(3) | JSON_PRESERVE_ORDER;
}
}
/* Check if we need to send events to handlers */
janus_config_item *events = janus_config_get_item_drilldown(config, "general", "events");
if(events != NULL && events->value != NULL)
notify_events = janus_is_true(events->value);
if(!notify_events && callback->events_is_enabled()) {
JANUS_LOG(LOG_WARN, "Notification of events to handlers disabled for %s\n", JANUS_NANOMSG_NAME);
}
/* First of all, initialize the pipeline for writeable notifications */
write_nfd[0] = nn_socket(AF_SP, NN_PULL);
write_nfd[1] = nn_socket(AF_SP, NN_PUSH);
if(nn_bind(write_nfd[0], "inproc://janus") < 0) {
JANUS_LOG(LOG_WARN, "Error configuring internal Nanomsg pipeline... %d (%s)\n", errno, nn_strerror(errno));
return -1; /* No point in keeping the plugin loaded */
}
if(nn_connect(write_nfd[1], "inproc://janus") < 0) {
JANUS_LOG(LOG_WARN, "Error configuring internal Nanomsg pipeline...%d (%s)\n", errno, nn_strerror(errno));
return -1; /* No point in keeping the plugin loaded */
}
/* Setup the Janus API Nanomsg server(s) */
item = janus_config_get_item_drilldown(config, "general", "enabled");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Nanomsg server disabled (Janus API)\n");
} else {
item = janus_config_get_item_drilldown(config, "general", "address");
const char *address = item && item->value ? item->value : NULL;
item = janus_config_get_item_drilldown(config, "general", "mode");
const char *mode = item && item->value ? item->value : NULL;
if(mode == NULL)
mode = "bind";
nfd = nn_socket(AF_SP, NN_PAIR);
if(nfd < 0) {
JANUS_LOG(LOG_ERR, "Error creating Janus API Nanomsg socket: %d (%s)\n", errno, nn_strerror(errno));
} else {
if(!strcasecmp(mode, "bind")) {
/* Bind to this address */
nfd_addr = nn_bind(nfd, address);
if(nfd_addr < 0) {
JANUS_LOG(LOG_ERR, "Error binding Janus API Nanomsg socket to address '%s': %d (%s)\n",
address, errno, nn_strerror(errno));
nn_close(nfd);
nfd = -1;
}
} else if(!strcasecmp(mode, "connect")) {
/* Connect to this address */
nfd_addr = nn_connect(nfd, address);
if(nfd_addr < 0) {
JANUS_LOG(LOG_ERR, "Error connecting Janus API Nanomsg socket to address '%s': %d (%s)\n",
address, errno, nn_strerror(errno));
nn_close(nfd);
nfd = -1;
}
} else {
/* Unsupported mode */
JANUS_LOG(LOG_ERR, "Unsupported mode '%s'\n", mode);
nn_close(nfd);
nfd = -1;
}
}
}
/* Do the same for the Admin API, if enabled */
item = janus_config_get_item_drilldown(config, "admin", "admin_enabled");
if(!item || !item->value || !janus_is_true(item->value)) {
JANUS_LOG(LOG_WARN, "Nanomsg server disabled (Admin API)\n");
} else {
item = janus_config_get_item_drilldown(config, "admin", "admin_address");
const char *address = item && item->value ? item->value : NULL;
item = janus_config_get_item_drilldown(config, "general", "admin_mode");
const char *mode = item && item->value ? item->value : NULL;
if(mode == NULL)
mode = "bind";
admin_nfd = nn_socket(AF_SP, NN_PAIR);
if(admin_nfd < 0) {
JANUS_LOG(LOG_ERR, "Error creating Admin API Nanomsg socket: %d (%s)\n", errno, nn_strerror(errno));
} else {
if(!strcasecmp(mode, "bind")) {
/* Bind to this address */
admin_nfd_addr = nn_bind(admin_nfd, address);
if(admin_nfd_addr < 0) {
JANUS_LOG(LOG_ERR, "Error binding Admin API Nanomsg socket to address '%s': %d (%s)\n",
address, errno, nn_strerror(errno));
nn_close(admin_nfd);
admin_nfd = -1;
}
} else if(!strcasecmp(mode, "connect")) {
/* Connect to this address */
admin_nfd_addr = nn_connect(admin_nfd, address);
if(admin_nfd_addr < 0) {
JANUS_LOG(LOG_ERR, "Error connecting Admin API Nanomsg socket to address '%s': %d (%s)\n",
address, errno, nn_strerror(errno));
nn_close(admin_nfd);
admin_nfd = -1;
}
} else {
/* Unsupported mode */
JANUS_LOG(LOG_ERR, "Unsupported mode '%s'\n", mode);
nn_close(admin_nfd);
admin_nfd = -1;
}
}
}
}
janus_config_destroy(config);
config = NULL;
if(nfd < 0 && admin_nfd < 0) {
JANUS_LOG(LOG_WARN, "No Nanomsg server started, giving up...\n");
return -1; /* No point in keeping the plugin loaded */
}
/* Create the clients */
memset(&client, 0, sizeof(janus_nanomsg_client));
if(nfd > -1) {
client.admin = FALSE;
client.messages = g_async_queue_new();
/* Create a transport instance as well */
client.ts = janus_transport_session_create(&client, NULL);
/* Notify handlers about this new transport */
if(notify_events && gateway->events_is_enabled()) {
json_t *info = json_object();
json_object_set_new(info, "event", json_string("created"));
json_object_set_new(info, "admin_api", json_false());
json_object_set_new(info, "socket", json_integer(nfd));
gateway->notify_event(&janus_nanomsg_transport, client.ts, info);
}
}
memset(&admin_client, 0, sizeof(janus_nanomsg_client));
if(admin_nfd > -1) {
admin_client.admin = TRUE;
admin_client.messages = g_async_queue_new();
/* Create a transport instance as well */
admin_client.ts = janus_transport_session_create(&admin_client, NULL);
/* Notify handlers about this new transport */
if(notify_events && gateway->events_is_enabled()) {
json_t *info = json_object();
json_object_set_new(info, "event", json_string("created"));
json_object_set_new(info, "admin_api", json_true());
json_object_set_new(info, "socket", json_integer(admin_nfd));
gateway->notify_event(&janus_nanomsg_transport, admin_client.ts, info);
}
}
/* Start the Nanomsg service thread */
GError *error = NULL;
nanomsg_thread = g_thread_try_new("nanomsg thread", &janus_nanomsg_thread, NULL, &error);
if(!nanomsg_thread) {
g_atomic_int_set(&initialized, 0);
JANUS_LOG(LOG_ERR, "Got error %d (%s) trying to launch the Nanomsg thread...\n", error->code, error->message ? error->message : "??");
return -1;
}
/* Done */
g_atomic_int_set(&initialized, 1);
JANUS_LOG(LOG_INFO, "%s initialized!\n", JANUS_NANOMSG_NAME);
return 0;
}
