Simple work with network. Libs: pony, proto-gen-haxe.

ProtoTest.hx

import pony.net.Protobuf;
import pony.net.SocketClient;
import pony.net.SocketServer;
import test.Main_Builder;
import test.Sub_Builder;
 
class ProtoTest {
	
	static function main() {
		
		var serv = new SocketServer(6001);
		
		var server = new Protobuf<Main_Builder, Main_Builder>(serv, test.Main_Writer.writeTo, test.Main_Merger.mergeFrom);
		var client = new Protobuf<Main_Builder, Main_Builder>(new SocketClient(6001), test.Main_Writer.writeTo, test.Main_Merger.mergeFrom);
		
		client.onData.add(function(b:Main_Builder) {
			trace(b.a);//=> 3
			trace(b.b);//=> 5
			trace(b.sub.a);//=> 7
			trace(b.sub.b);//=> 9
		});
		
		serv.connect.add(server.send.bind(function(b) {
			b.a = 3;
			b.b = 5;
			b.sub = new Sub_Builder();
			b.sub.a = 7;
			b.sub.b = 9;
		}));
		
	}
	
}

test.proto

package test;

message Main {
	optional int32 a = 1;
	optional int32 b = 2;
	optional Sub sub = 3;
}

message Sub {
	optional int32 a = 1;
	optional int32 b = 2;
}