/*! \brief WebSocket connection handler. */
static void websocket_cb(struct ast_websocket *session, struct ast_variable *parameters, struct ast_variable *headers)
{
struct ast_taskprocessor *serializer;
struct transport_create_data create_data;
struct ws_transport *transport;
struct transport_read_data read_data;
if (ast_websocket_set_nonblock(session)) {
ast_websocket_unref(session);
return;
}
if (ast_websocket_set_timeout(session, get_write_timeout())) {
ast_websocket_unref(session);
return;
}
serializer = create_websocket_serializer();
if (!serializer) {
ast_websocket_unref(session);
return;
}
create_data.ws_session = session;
if (ast_sip_push_task_synchronous(serializer, transport_create, &create_data)) {
ast_log(LOG_ERROR, "Could not create WebSocket transport.\n");
ast_websocket_unref(session);
return;
}
transport = create_data.transport;
read_data.transport = transport;
while (ast_wait_for_input(ast_websocket_fd(session), -1) > 0) {
enum ast_websocket_opcode opcode;
int fragmented;
if (ast_websocket_read(session, &read_data.payload, &read_data.payload_len, &opcode, &fragmented)) {
break;
}
if (opcode == AST_WEBSOCKET_OPCODE_TEXT || opcode == AST_WEBSOCKET_OPCODE_BINARY) {
ast_sip_push_task_synchronous(serializer, transport_read, &read_data);
} else if (opcode == AST_WEBSOCKET_OPCODE_CLOSE) {
break;
}
}
ast_sip_push_task_synchronous(serializer, transport_shutdown, transport);
ast_taskprocessor_unreference(serializer);
ast_websocket_unref(session);
}
struct ast_json *ast_ari_websocket_session_read(
struct ast_ari_websocket_session *session)
{
RAII_VAR(struct ast_json *, message, NULL, ast_json_unref);
if (ast_websocket_fd(session->ws_session) < 0) {
return NULL;
}
while (!message) {
int res;
char *payload;
uint64_t payload_len;
enum ast_websocket_opcode opcode;
int fragmented;
res = ast_wait_for_input(
ast_websocket_fd(session->ws_session), -1);
if (res <= 0) {
ast_log(LOG_WARNING, "WebSocket poll error: %s\n",
strerror(errno));
return NULL;
}
res = ast_websocket_read(session->ws_session, &payload,
&payload_len, &opcode, &fragmented);
if (res != 0) {
ast_log(LOG_WARNING, "WebSocket read error: %s\n",
strerror(errno));
return NULL;
}
switch (opcode) {
case AST_WEBSOCKET_OPCODE_CLOSE:
ast_debug(1, "WebSocket closed\n");
return NULL;
case AST_WEBSOCKET_OPCODE_TEXT:
message = ast_json_load_buf(payload, payload_len, NULL);
if (message == NULL) {
ast_log(LOG_WARNING,
"WebSocket input failed to parse\n");
}
break;
default:
/* Ignore all other message types */
break;
}
}
return ast_json_ref(message);
}
