void FCServer::cbJsonMessage(libwebsocket *wsi, rapidjson::Document &message, void *context)
{
// Received a JSON message from a WebSockets client.
// Replies are formed by modifying the original message.
FCServer *self = (FCServer*) context;
const Value &vtype = message["type"];
if (!vtype.IsString()) {
lwsl_notice("NOTICE: Received JSON is missing mandatory \"type\" string\n");
return;
}
const char *type = vtype.GetString();
// Hold the event lock while dispatching
self->mEventMutex.lock();
if (!strcmp(type, "list_connected_devices")) {
self->jsonListConnectedDevices(message);
} else if (!strcmp(type, "server_info")) {
self->jsonServerInfo(message);
} else if (message.HasMember("device")) {
self->jsonDeviceMessage(message);
} else {
message.AddMember("error", "Unknown message type", message.GetAllocator());
}
self->mEventMutex.unlock();
// Remove heavyweight members we should never reply with
message.RemoveMember("pixels");
// All messages get a reply, and we leave any extra parameters on the message
// so that clients can keep track of asynchronous completions.
self->mNetServer.jsonReply(wsi, message);
}
