JNIEXPORT jint JNICALL CAST_JNI(addStreamNative,jlong agentCtxLong,jstring jstreamName,jint numberOfComponent) {
AgentCtx* agentCtx = (AgentCtx*) agentCtxLong;
NiceAgent* tmp_agent = agentCtx->agent;
jboolean isCopy;
const gchar *name = (gchar*) (*env)->GetStringUTFChars(env, jstreamName, &isCopy);
// Create a new stream with one component
int stream_id = nice_agent_add_stream(tmp_agent, numberOfComponent);
if (stream_id == 0) {
LOGD("Failed to add stream");
return 0;
}
nice_agent_set_stream_name (tmp_agent, stream_id, name);
if(name) {
(*env)->ReleaseStringUTFChars(env,jstreamName,name);
}
agentCtx->totalComponentNumber = numberOfComponent;
for(int i=0;i<numberOfComponent;i++) {
nice_agent_attach_recv(tmp_agent, stream_id, i+1,
g_main_loop_get_context (agentCtx->gloop), recv_callback, agentCtx);
}
return stream_id;
}
static void *
example_thread(void *data)
{
NiceAgent *agent;
GIOChannel* io_stdin;
guint stream_id;
gchar *line = NULL;
gchar *sdp, *sdp64;
#ifdef G_OS_WIN32
io_stdin = g_io_channel_win32_new_fd(_fileno(stdin));
#else
io_stdin = g_io_channel_unix_new(fileno(stdin));
#endif
g_io_channel_set_flags(io_stdin, G_IO_FLAG_NONBLOCK, NULL);
// Create the nice agent
agent = nice_agent_new(g_main_loop_get_context (gloop),
NICE_COMPATIBILITY_RFC5245);
if (agent == NULL)
g_error("Failed to create agent");
// Set the STUN settings and controlling mode
if (stun_addr) {
g_object_set(agent, "stun-server", stun_addr, NULL);
g_object_set(agent, "stun-server-port", stun_port, NULL);
}
g_object_set(agent, "controlling-mode", controlling, NULL);
// Connect to the signals
g_signal_connect(agent, "candidate-gathering-done",
G_CALLBACK(cb_candidate_gathering_done), NULL);
g_signal_connect(agent, "component-state-changed",
G_CALLBACK(cb_component_state_changed), NULL);
// Create a new stream with one component
stream_id = nice_agent_add_stream(agent, 1);
if (stream_id == 0)
g_error("Failed to add stream");
nice_agent_set_stream_name (agent, stream_id, "text");
// Attach to the component to receive the data
// Without this call, candidates cannot be gathered
nice_agent_attach_recv(agent, stream_id, 1,
g_main_loop_get_context (gloop), cb_nice_recv, NULL);
// Start gathering local candidates
if (!nice_agent_gather_candidates(agent, stream_id))
g_error("Failed to start candidate gathering");
g_debug("waiting for candidate-gathering-done signal...");
g_mutex_lock(&gather_mutex);
while (!exit_thread && !candidate_gathering_done)
g_cond_wait(&gather_cond, &gather_mutex);
g_mutex_unlock(&gather_mutex);
if (exit_thread)
goto end;
// Candidate gathering is done. Send our local candidates on stdout
sdp = nice_agent_generate_local_sdp (agent);
printf("Generated SDP from agent :\n%s\n\n", sdp);
printf("Copy the following line to remote client:\n");
sdp64 = g_base64_encode ((const guchar *)sdp, strlen (sdp));
printf("\n %s\n", sdp64);
g_free (sdp);
g_free (sdp64);
// Listen on stdin for the remote candidate list
printf("Enter remote data (single line, no wrapping):\n");
printf("> ");
fflush (stdout);
while (!exit_thread) {
GIOStatus s = g_io_channel_read_line (io_stdin, &line, NULL, NULL, NULL);
if (s == G_IO_STATUS_NORMAL) {
gsize sdp_len;
sdp = (gchar *) g_base64_decode (line, &sdp_len);
// Parse remote candidate list and set it on the agent
if (sdp && nice_agent_parse_remote_sdp (agent, sdp) > 0) {
g_free (sdp);
g_free (line);
break;
} else {
fprintf(stderr, "ERROR: failed to parse remote data\n");
printf("Enter remote data (single line, no wrapping):\n");
printf("> ");
fflush (stdout);
}
g_free (sdp);
g_free (line);
} else if (s == G_IO_STATUS_AGAIN) {
g_usleep (100000);
}
}
g_debug("waiting for state READY or FAILED signal...");
g_mutex_lock(&negotiate_mutex);
while (!exit_thread && !negotiation_done)
g_cond_wait(&negotiate_cond, &negotiate_mutex);
g_mutex_unlock(&negotiate_mutex);
if (exit_thread)
goto end;
// Listen to stdin and send data written to it
printf("\nSend lines to remote (Ctrl-D to quit):\n");
printf("> ");
fflush (stdout);
while (!exit_thread) {
GIOStatus s = g_io_channel_read_line (io_stdin, &line, NULL, NULL, NULL);
if (s == G_IO_STATUS_NORMAL) {
nice_agent_send(agent, stream_id, 1, strlen(line), line);
g_free (line);
printf("> ");
fflush (stdout);
} else if (s == G_IO_STATUS_AGAIN) {
g_usleep (100000);
} else {
// Ctrl-D was pressed.
nice_agent_send(agent, stream_id, 1, 1, "\0");
break;
}
}
end:
g_object_unref(agent);
g_io_channel_unref (io_stdin);
g_main_loop_quit (gloop);
return NULL;
}
