void
ox_sax_drive_cleanup(SaxDrive dr) {
rb_gc_unregister_address(&dr->value_obj);
buf_cleanup(&dr->buf);
stack_cleanup(&dr->stack);
}
static int ws_events_callback(struct lws *wsi,
enum lws_callback_reasons reason, void *user,
void *in, size_t len)
{
struct lws_context *context = lws_get_context(wsi);
ws_t *ws = lws_context_user(context);
struct per_session_data__events *pss = user;
int i;
switch (reason) {
case LWS_CALLBACK_ESTABLISHED:
pss->ws = ws;
pss->cmd = command_new((command_handler_t) ws_events_command, pss);
buf_init(&pss->out_buf);
pss->id = ws_session_add(ws, pss);
log_debug(2, "ws_events_callback LWS_CALLBACK_ESTABLISHED [%04X]", pss->id);
break;
case LWS_CALLBACK_SERVER_WRITEABLE:
i = pss->out_buf.len - LWS_SEND_BUFFER_PRE_PADDING;
if (i > 0) {
log_debug(2, "ws_events_callback LWS_CALLBACK_SERVER_WRITEABLE [%04X]: %d bytes", pss->id, i);
buf_grow(&pss->out_buf, LWS_SEND_BUFFER_POST_PADDING);
int ret = lws_write(wsi, pss->out_buf.base+LWS_SEND_BUFFER_PRE_PADDING, i, LWS_WRITE_TEXT);
pss->out_buf.len = 0;
if (ret < i) {
log_str("HTTP ERROR: %d writing to event websocket", ret);
return -1;
}
}
else {
log_debug(2, "ws_events_callback LWS_CALLBACK_SERVER_WRITEABLE [%04X]: READY", pss->id);
}
break;
case LWS_CALLBACK_RECEIVE:
log_debug(2, "ws_events_callback LWS_CALLBACK_RECEIVE [%04X]: %d bytes", pss->id, len);
log_debug_data(in, len);
/* Make sure send buffer has room for pre-padding */
if (pss->out_buf.len == 0) {
buf_append_zero(&pss->out_buf, LWS_SEND_BUFFER_PRE_PADDING);
}
/* Execute command */
command_recv(pss->cmd, in, len);
/* Trig response write */
lws_callback_on_writable(wsi);
break;
case LWS_CALLBACK_CLOSED:
log_debug(2, "ws_events_callback LWS_CALLBACK_CLOSED [%04X]", pss->id);
pss->ws = NULL;
if (pss->cmd != NULL) {
command_destroy(pss->cmd);
pss->cmd = NULL;
}
buf_cleanup(&pss->out_buf);
pss->id = -1;
ws_session_remove(ws, pss);
break;
/*
* this just demonstrates how to use the protocol filter. If you won't
* study and reject connections based on header content, you don't need
* to handle this callback
*/
case LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION:
log_debug(2, "ws_events_callback LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION [%04X]", pss->id);
ws_dump_handshake_info(wsi);
/* you could return non-zero here and kill the connection */
// return -1;
break;
case LWS_CALLBACK_PROTOCOL_INIT:
log_debug(2, "ws_events_callback LWS_CALLBACK_PROTOCOL_INIT");
break;
default:
log_debug(2, "ws_events_callback: reason=%d", reason);
break;
}
return 0;
}
