MT#55283 add global bufferpool

These are normally held per thread, but in cases of threads not having
dedicated init/cleanup functions (GLib thread pool), we can use a global
one as fallback.

Fixes #1936

Change-Id: Ia2ff3523e6079baa73e0721862100ec2f8b66c88
(cherry picked from commit 5d613020e6)

daemon/main.c

@@ -79,6 +79,7 @@ static GQueue rtpe_cli = G_QUEUE_INIT;
 GQueue rtpe_control_ng = G_QUEUE_INIT;
 GQueue rtpe_control_ng_tcp = G_QUEUE_INIT;
 struct bufferpool *shm_bufferpool;
+struct bufferpool *rtpe_bufferpool;
 
 struct rtpengine_config rtpe_config = {
 	// non-zero defaults
@@ -1263,6 +1264,7 @@ RTPE_CONFIG_CHARPP_PARAMS
 
 static void early_init(void) {
 	socket_init(); // needed for socktype_udp
+	rtpe_bufferpool = bufferpool_new(g_malloc, g_free, 64 * 65536);
 }
 
 #ifdef WITH_TRANSCODING
@@ -1743,6 +1745,7 @@ int main(int argc, char **argv) {
 	kernel_shutdown_table();
 	options_free();
 	bufferpool_cleanup();
+	bufferpool_destroy(rtpe_bufferpool);
 
 	return 0;
 }

daemon/websocket.c

@@ -230,6 +230,8 @@ static void websocket_message_push(struct websocket_conn *wc, websocket_message_
 
 
 static void websocket_process(void *p, void *up) {
+	media_bufferpool = rtpe_bufferpool;
+
 	struct websocket_conn *wc = p;
 
 	mutex_lock(&wc->lock);

include/main.h

@@ -316,6 +316,7 @@ extern GQueue rtpe_control_ng;
 extern GQueue rtpe_control_ng_tcp;
 
 extern struct bufferpool *shm_bufferpool;
+extern struct bufferpool *rtpe_bufferpool;
 
 
 #endif

t/test-stats.c

@@ -25,6 +25,7 @@ unsigned int rtpe_poller_rr_iter;
 GString *dtmf_logs;
 GQueue rtpe_control_ng = G_QUEUE_INIT;
 struct bufferpool *shm_bufferpool;
+struct bufferpool *rtpe_bufferpool;
 
 static void __assert_g_string_eq(GString *a, const char *b, unsigned int line) {
 	if (strcmp(a->str, b) == 0) {

t/test-transcode.c

@@ -20,6 +20,7 @@ unsigned int rtpe_poller_rr_iter;
 GString *dtmf_logs;
 GQueue rtpe_control_ng = G_QUEUE_INIT;
 struct bufferpool *shm_bufferpool;
+struct bufferpool *rtpe_bufferpool;
 
 static str *sdup(char *s) {
 	str r = STR(s);