/*
* Usage:
*
* new UART("platform_specific_name")
*
*/
static enum v7_err UART_ctor(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
v7_val_t this_obj = v7_get_this(v7);
v7_val_t dev = v7_arg(v7, 0);
struct user_data *ud;
void *uart;
const char *name;
size_t len;
if (!v7_is_string(dev)) {
rcode = v7_throwf(v7, "Error", "device must be string");
goto clean;
}
ud = (struct user_data *) calloc(1, sizeof(struct user_data));
ud->v7 = v7;
ud->want = 0;
ud->cb = v7_create_undefined();
v7_own(v7, &ud->cb);
name = v7_get_string_data(v7, &dev, &len);
uart = sj_hal_open_uart(name, (void *) ud);
if (uart == NULL) {
rcode = v7_throwf(v7, "Error", "cannot open uart");
goto clean;
}
v7_set(v7, this_obj, "_ud", ~0, V7_PROPERTY_HIDDEN, v7_create_foreign(ud));
v7_set(v7, this_obj, "_dev", ~0, V7_PROPERTY_HIDDEN, v7_create_foreign(uart));
clean:
return rcode;
}
static void ws_ev_handler(struct ns_connection *nc, int ev, void *ev_data) {
struct websocket_message *wm = (struct websocket_message *) ev_data;
struct user_data *ud = (struct user_data *) nc->user_data;
struct v7 *v7 = ud->v7;
switch (ev) {
case NS_CONNECT:
if (*(int *) ev_data == 0) {
char *proto = NULL;
if (ud->proto != NULL) {
int tmp = asprintf(&proto, "Sec-WebSocket-Protocol: %s\n", ud->proto);
(void) tmp; /* Shutup compiler */
}
ns_send_websocket_handshake(nc, "/", proto);
if (proto != NULL) {
free(proto);
}
} else {
invoke_cb(ud, "onerror", v7_create_null());
}
break;
case NS_WEBSOCKET_HANDSHAKE_DONE:
v7_set(v7, ud->ws, "_nc", ~0, V7_PROPERTY_HIDDEN, v7_create_foreign(nc));
invoke_cb(ud, "onopen", v7_create_null());
break;
case NS_WEBSOCKET_FRAME: {
v7_val_t ev, data;
ev = v7_create_object(v7);
v7_own(v7, &ev);
data = v7_create_string(v7, (char *) wm->data, wm->size, 1);
v7_set(v7, ev, "data", ~0, 0, data);
invoke_cb(ud, "onmessage", ev);
v7_disown(v7, &ev);
break;
}
case NS_CLOSE:
invoke_cb(ud, "onclose", v7_create_null());
nc->user_data = NULL;
v7_set(v7, ud->ws, "_nc", ~0, V7_PROPERTY_HIDDEN, v7_create_undefined());
v7_disown(v7, &ud->ws);
free(ud);
break;
}
}
