PIClout data send and receive test

libs/cloud/picloudserver.cpp

@@ -113,8 +113,8 @@ bool PICloudServer::Client::openDevice() {
 
 
 bool PICloudServer::Client::closeDevice() {
-	server->clientDisconnect(client_id);
 	if (is_connected) {
+		server->clientDisconnect(client_id);
 		is_connected = false;
 		cond_buff.notifyOne();
 	}
@@ -170,7 +170,10 @@ void PICloudServer::_readed(PIByteArray & ba) {
 		case PICloud::TCP::Disconnect: {
 			uint id = tcp.parseDisconnect(ba);
 			Client * oc = index_clients.value(id, nullptr);
-			if (oc) oc->close();
+			if (oc) {
+				oc->is_connected = false;
+				oc->close();
+			}
 		} break;
 		case PICloud::TCP::Data: {
 			PIPair<uint, PIByteArray> d = tcp.parseDataServer(ba);