Communication

Inherits: Object

Networking class.

Description

This class provides communication with clients via TCP protocol.

Note

This class is not expected to be changed by user.

(signal) got_connection: The signal is emitted when incomming request is got in server_poll method.

(void) start_server(port: int, address: String)

Args:: port: TCP port to communicate with client. address: IP-address to communicate with client.

(void) server_poll()

Method to establish a connection to a client and to read incomming request from the client.

The methods emits got_connection signal with request dictionary if a request is got. The signal is used in RLEnvironment class.

(Dictionary) _read_request()

Method to read incomming request.

Request data consists of two parts: 1. Request message size in 4 bytes (int32). 2. Bytes with serialized JSON string of a request dictionary.

(void) put_message(message)

Method to serialize Protobuf message and put it in TCP stream.