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#include <cassert>
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#include "NetworkObject.hh"
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/*
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* NetworkObject_Controller
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*/
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NetworkObjectController::NetworkObjectController (NetworkSession &session, NetworkChannelID channel_id) :
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session(session), channel_id(channel_id) {
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// setup signals
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slot_message = session.sig_chan_message(channel_id).connect(this, &NetworkObjectController::on_message);
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}
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void NetworkObjectController::on_message (NetworkPacket &pkt, NetworkNode *node) {
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uint32_t obj_id = pkt.read_uint32();
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uint16_t msg_id = pkt.read_uint16();
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// lookup object
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NetworkObject *obj = objects[obj_id];
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if (obj) {
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obj->handle_packet(node, msg_id, pkt);
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} else {
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handle_create(obj_id, msg_id, pkt, node);
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}
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}
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/*
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* NetworkObject_ServerController
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*/
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NetworkObject_ServerController::NetworkObject_ServerController (NetworkSession &session, NetworkChannelID channel_id) :
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NetworkObjectController(session, channel_id), id_pool(0) {
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}
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NetworkObjectID NetworkObject_ServerController::getObjectID (void) {
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return ++id_pool;
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}
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void NetworkObject_ServerController::handle_create (NetworkObjectID obj_id, NetworkMessageID msg_id, NetworkPacket &pkt, NetworkNode *node) {
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(void) obj_id;
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(void) msg_id;
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(void) pkt;
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(void) node;
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// XXX: fail
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throw CL_Error("clients cannot create objects");
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}
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/*
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* NetworkObject_ClientController *
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*/
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NetworkObject_ClientController::NetworkObject_ClientController (NetworkSession &session, NetworkChannelID channel_id, NetworkNode *server) :
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NetworkObjectController(session, channel_id), server(server) {
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}
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void NetworkObject_ClientController::handle_create (NetworkObjectID obj_id, NetworkMessageID msg_id, NetworkPacket &pkt, NetworkNode *node) {
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// we only communicate with the server
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assert(node == server);
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// create new object
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NetworkObject_Client *obj = new NetworkObject_Client(*this, obj_id);
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// signal
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_sig_create(obj, msg_id, pkt);
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}
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/*
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* NetworkObject
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*/
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NetworkObject::NetworkObject (NetworkObjectController &controller, NetworkObjectID obj_id) :
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obj_id(obj_id) {
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assert(obj_id);
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controller.objects[obj_id] = this;
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}
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void NetworkObject::buildPacket (NetworkPacket &pkt, NetworkMessageID msg_id, const NetworkPacket &payload) {
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pkt.write_uint32(obj_id);
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pkt.write_uint16(msg_id);
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pkt.write_packet(payload);
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}
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std::ostream& operator<< (std::ostream &s, const NetworkObject &obj) {
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return s << "<NetworkObject #" << obj.obj_id << ">";
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}
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/*
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* NetworkObject_Server
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*/
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NetworkObject_Server::NetworkObject_Server (NetworkObject_ServerController &controller) :
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NetworkObject(controller, controller.getObjectID()), controller(controller) {
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}
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void NetworkObject_Server::handle_packet (NetworkNode *node, NetworkMessageID msg_id, NetworkPacket &pkt) {
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_map_sig_message[msg_id](node, pkt);
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}
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void NetworkObject_Server::send_to (NetworkNode *dst, NetworkMessageID msg_id, const NetworkPacket &pkt, bool reliable) {
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NetworkPacket pkt_out;
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buildPacket(pkt_out, msg_id, pkt);
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dst->send(controller.channel_id, pkt_out, reliable);
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}
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void NetworkObject_Server::send_all (NetworkMessageID msg_id, const NetworkPacket &pkt, bool reliable) {
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send_all_except(msg_id, pkt, NULL, reliable);
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}
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void NetworkObject_Server::send_all_except (NetworkMessageID msg_id, const NetworkPacket &pkt, NetworkNode *black_sheep, bool reliable) {
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NetworkPacket pkt_out;
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buildPacket(pkt_out, msg_id, pkt);
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controller.session.send_all_except(controller.channel_id, pkt_out, black_sheep, reliable);
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}
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/*
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* NetworkObject_Client
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*/
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NetworkObject_Client::NetworkObject_Client (NetworkObject_ClientController &controller, NetworkObjectID id) :
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NetworkObject(controller, id), controller(controller) {
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// nothing
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}
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void NetworkObject_Client::handle_packet (NetworkNode *node, NetworkMessageID msg_id, NetworkPacket &pkt) {
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assert(node == controller.server);
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_map_sig_message[msg_id](pkt);
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}
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void NetworkObject_Client::send (NetworkMessageID msg_id, const NetworkPacket &pkt, bool reliable) {
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NetworkPacket pkt_out;
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buildPacket(pkt_out, msg_id, pkt);
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controller.server->send(controller.channel_id, pkt_out, reliable);
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}
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