static switch_status_t handle_ref_tuple(listener_t *listener, erlang_msg * msg, ei_x_buff * buf, ei_x_buff * rbuf)
{
erlang_ref ref;
erlang_pid *pid;
char hash[100];
int arity;
const void *key;
void *val;
session_elem_t *se;
switch_hash_index_t *iter;
ei_decode_tuple_header(buf->buff, &buf->index, &arity);
if (ei_decode_ref(buf->buff, &buf->index, &ref)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Invalid reference\n");
return SWITCH_STATUS_FALSE;
}
if (!(pid = malloc(sizeof(erlang_pid)))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error\n");
ei_x_encode_tuple_header(rbuf, 2);
ei_x_encode_atom(rbuf, "error");
ei_x_encode_atom(rbuf, "badmem");
return SWITCH_STATUS_SUCCESS;
}
if (ei_decode_pid(buf->buff, &buf->index, pid)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Invalid pid in a reference/pid tuple\n");
return SWITCH_STATUS_FALSE;
}
ei_hash_ref(&ref, hash);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Hashed ref to %s\n", hash);
switch_thread_rwlock_rdlock(listener->session_rwlock);
for (iter = switch_hash_first(NULL, listener->sessions); iter; iter = switch_hash_next(iter)) {
switch_hash_this(iter, &key, NULL, &val);
se = (session_elem_t*)val;
if (se->spawn_reply && !strncmp(se->spawn_reply->hash, hash, 100)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "found matching session for %s : %s\n", hash, se->uuid_str);
switch_mutex_lock(se->spawn_reply->mutex);
if (se->spawn_reply->state == reply_not_ready) {
switch_thread_cond_wait(se->spawn_reply->ready_or_found, se->spawn_reply->mutex);
}
if (se->spawn_reply->state == reply_waiting) {
se->spawn_reply->pid = pid;
switch_thread_cond_broadcast(se->spawn_reply->ready_or_found);
ei_x_encode_atom(rbuf, "ok");
switch_thread_rwlock_unlock(listener->session_rwlock);
switch_mutex_unlock(se->spawn_reply->mutex);
return SWITCH_STATUS_SUCCESS;
}
switch_mutex_unlock(se->spawn_reply->mutex);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "get_pid came in too late for %s; %s\n", hash, se->uuid_str);
break;
}
}
switch_thread_rwlock_unlock(listener->session_rwlock);
ei_x_encode_tuple_header(rbuf, 2);
ei_x_encode_atom(rbuf, "error");
ei_x_encode_atom(rbuf, "notfound");
switch_safe_free(pid); /* don't need it */
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t handle_ref_tuple(listener_t *listener, erlang_msg * msg, ei_x_buff * buf, ei_x_buff * rbuf)
{
erlang_ref ref;
erlang_pid pid;
char hash[100];
int arity;
const void *key;
void *val;
session_elem_t *se;
switch_hash_index_t *iter;
int found = 0;
ei_decode_tuple_header(buf->buff, &buf->index, &arity);
if (ei_decode_ref(buf->buff, &buf->index, &ref)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Invalid reference\n");
return SWITCH_STATUS_FALSE;
}
if (ei_decode_pid(buf->buff, &buf->index, &pid)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Invalid pid in a reference/pid tuple\n");
return SWITCH_STATUS_FALSE;
}
ei_hash_ref(&ref, hash);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Hashed ref to %s\n", hash);
switch_thread_rwlock_rdlock(listener->session_rwlock);
for (iter = switch_hash_first(NULL, listener->sessions); iter; iter = switch_hash_next(iter)) {
switch_hash_this(iter, &key, NULL, &val);
se = (session_elem_t*)val;
if (se->spawn_reply && !strncmp(se->spawn_reply->hash, hash, 100)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "found matching session for %s : %s\n", hash, se->uuid_str);
switch_mutex_lock(se->spawn_reply->mutex);
se->spawn_reply->pid = switch_core_alloc(se->pool, sizeof(erlang_pid));
switch_assert(se->spawn_reply->pid != NULL);
memcpy(se->spawn_reply->pid, &pid, sizeof(erlang_pid));
switch_thread_cond_signal(se->spawn_reply->ready_or_found);
switch_mutex_unlock(se->spawn_reply->mutex);
found++;
break;
}
}
switch_thread_rwlock_unlock(listener->session_rwlock);
if (found) {
ei_x_encode_atom(rbuf, "ok");
} else {
ei_x_encode_tuple_header(rbuf, 2);
ei_x_encode_atom(rbuf, "error");
ei_x_encode_atom(rbuf, "notfound");
}
return SWITCH_STATUS_SUCCESS;
}
