Function plugin_notification_handle

lightningd/plugin.c:585–631

	WARN_UNUSED_RESULT;

static const char *plugin_notification_handle(struct plugin *plugin,
					      const char *buffer,
					      const jsmntok_t *toks)
{
	const jsmntok_t *methtok, *paramstok;
	const char *methname;
	struct jsonrpc_notification *n;
	methtok = json_get_member(buffer, toks, "method");
	paramstok = json_get_member(buffer, toks, "params");

	if (!methtok || !paramstok) {
		return tal_fmt(plugin,
			       "Malformed JSON-RPC notification missing "
			       "\"method\" or \"params\": %.*s",
			       toks->end - toks->start,
			       buffer + toks->start);
	}

	/* Dispatch incoming notifications. This is currently limited
	 * to just a few method types, should this ever become
	 * unwieldy we can switch to the AUTODATA construction to
	 * register notification handlers in a variety of places. */
	if (json_tok_streq(buffer, methtok, "log")) {
		return plugin_log_handle(plugin, buffer, paramstok);
	} else if (json_tok_streq(buffer, methtok, "message")
		   || json_tok_streq(buffer, methtok, "progress")) {
		return plugin_notify_handle(plugin, buffer, methtok, paramstok);
	}

	methname = json_strdup(tmpctx, buffer, methtok);

	if (!plugin_notification_allowed(plugin, methname)) {
		log_unusual(plugin->log,
			    "Plugin attempted to send a notification to topic "
			    "\"%s\" it hasn't declared in its manifest, not "
			    "forwarding to subscribers.",
			    methname);
	} else if (notifications_have_topic(plugin->plugins, methname)) {
		n = jsonrpc_notification_start_noparams(NULL, methname);
		json_add_string(n->stream, "origin", plugin->shortname);
		json_add_tok(n->stream, "params", paramstok, buffer);
		jsonrpc_notification_end_noparams(n);

		plugins_notify(plugin->plugins, take(n));
	}
	return NULL;
}

struct plugin_destroyed {
	const struct plugin *plugin;