Example #1
0
int main(void)
{
	char ch;
	RakNet::SocketDescriptor sd;
	sd.socketFamily=AF_INET; // Only IPV4 supports broadcast on 255.255.255.255
	char ip[128];
	static const int SERVER_PORT=12345;


	// ReplicaManager3 requires NetworkIDManager to lookup pointers from numbers.
	NetworkIDManager networkIdManager;
	// Each application has one instance of RakPeerInterface
	RakNet::RakPeerInterface *rakPeer;
	// The system that performs most of our functionality for this demo
	ReplicaManager3Sample replicaManager;

	printf("Demonstration of ReplicaManager3.\n");
	printf("1. Demonstrates creating objects created by the server and client.\n");
	printf("2. Demonstrates automatic serialization data members\n");
	printf("Difficulty: Intermediate\n\n");

	printf("Start as (c)lient, (s)erver, (p)eer? ");
	ch=getche();

	rakPeer = RakNet::RakPeerInterface::GetInstance();
	if (ch=='c' || ch=='C')
	{
		topology=CLIENT;
		sd.port=0;
	}
	else if (ch=='s' || ch=='S')
	{
		topology=SERVER;
		sd.port=SERVER_PORT;
	}
	else
	{
		topology=P2P;
		sd.port=SERVER_PORT;
		while (IRNS2_Berkley::IsPortInUse(sd.port,sd.hostAddress,sd.socketFamily, SOCK_DGRAM)==true)
			sd.port++;
	}

	// Start RakNet, up to 32 connections if the server
	rakPeer->Startup(32,&sd,1);
	rakPeer->AttachPlugin(&replicaManager);
	replicaManager.SetNetworkIDManager(&networkIdManager);
	rakPeer->SetMaximumIncomingConnections(32);
	printf("\nMy GUID is %s\n", rakPeer->GetMyGUID().ToString());

	printf("\n");
	if (topology==CLIENT)
	{
		printf("Enter server IP: ");
		Gets(ip, sizeof(ip));
		if (ip[0]==0)
			strcpy(ip, "127.0.0.1");
		rakPeer->Connect(ip,SERVER_PORT,0,0,0);
		printf("Connecting...\n");
	}

	printf("Commands:\n(Q)uit\n'C'reate objects\n'R'andomly change variables in my objects\n'D'estroy my objects\n");

	// Enter infinite loop to run the system
	RakNet::Packet *packet;
	bool quit=false;
	while (!quit)
	{
		for (packet = rakPeer->Receive(); packet; rakPeer->DeallocatePacket(packet), packet = rakPeer->Receive())
		{
			switch (packet->data[0])
			{
			case ID_CONNECTION_ATTEMPT_FAILED:
				printf("ID_CONNECTION_ATTEMPT_FAILED\n");
				quit=true;
				break;
			case ID_NO_FREE_INCOMING_CONNECTIONS:
				printf("ID_NO_FREE_INCOMING_CONNECTIONS\n");
				quit=true;
				break;
			case ID_CONNECTION_REQUEST_ACCEPTED:
				printf("ID_CONNECTION_REQUEST_ACCEPTED\n");
				break;
			case ID_NEW_INCOMING_CONNECTION:
				printf("ID_NEW_INCOMING_CONNECTION from %s\n", packet->systemAddress.ToString());
				break;
			case ID_DISCONNECTION_NOTIFICATION:
				printf("ID_DISCONNECTION_NOTIFICATION\n");
				break;
			case ID_CONNECTION_LOST:
				printf("ID_CONNECTION_LOST\n");
				break;
			case ID_ADVERTISE_SYSTEM:
				// The first conditional is needed because ID_ADVERTISE_SYSTEM may be from a system we are connected to, but replying on a different address.
				// The second conditional is because AdvertiseSystem also sends to the loopback
				if (rakPeer->GetSystemAddressFromGuid(packet->guid)==RakNet::UNASSIGNED_SYSTEM_ADDRESS &&
					rakPeer->GetMyGUID()!=packet->guid)
				{
					printf("Connecting to %s\n", packet->systemAddress.ToString(true));
					rakPeer->Connect(packet->systemAddress.ToString(false), packet->systemAddress.GetPort(),0,0);
				}
				break;
			case ID_SND_RECEIPT_LOSS:
			case ID_SND_RECEIPT_ACKED:
				{
					uint32_t msgNumber;
					memcpy(&msgNumber, packet->data+1, 4);

					DataStructures::List<Replica3*> replicaListOut;
					replicaManager.GetReplicasCreatedByMe(replicaListOut);
					unsigned int idx;
					for (idx=0; idx < replicaListOut.Size(); idx++)
					{
						((SampleReplica*)replicaListOut[idx])->NotifyReplicaOfMessageDeliveryStatus(packet->guid,msgNumber, packet->data[0]==ID_SND_RECEIPT_ACKED);
					}
				}
				break;
			}
		}

		if (kbhit())
		{
			ch=getch();
			if (ch=='q' || ch=='Q')
			{
				printf("Quitting.\n");
				quit=true;
			}
			if (ch=='c' || ch=='C')
			{
				printf("Objects created.\n");
				if (topology==SERVER||topology==CLIENT)
				{
					replicaManager.Reference(new ClientCreatible_ClientSerialized);
					replicaManager.Reference(new ServerCreated_ClientSerialized);
					replicaManager.Reference(new ClientCreatible_ServerSerialized);
					replicaManager.Reference(new ServerCreated_ServerSerialized);
				}
				else
				{
				//	for (int i=0; i < 20; i++)
						replicaManager.Reference(new P2PReplica);
				}
			}
			if (ch=='r' || ch=='R')
			{
				DataStructures::List<Replica3*> replicaListOut;
				replicaManager.GetReplicasCreatedByMe(replicaListOut);
				unsigned int idx;
				for (idx=0; idx < replicaListOut.Size(); idx++)
				{
					((SampleReplica*)replicaListOut[idx])->RandomizeVariables();
				}
			}
			if (ch=='d' || ch=='D')
			{
				printf("My objects destroyed.\n");
				DataStructures::List<Replica3*> replicaListOut;
				// The reason for ClearPointers is that in the sample, I don't track which objects have and have not been allocated at the application level. So ClearPointers will call delete on every object in the returned list, which is every object that the application has created. Another way to put it is
				// 	A. Send a packet to tell other systems to delete these objects
				// 	B. Delete these objects on my own system
				replicaManager.GetReplicasCreatedByMe(replicaListOut);
				replicaManager.BroadcastDestructionList(replicaListOut, RakNet::UNASSIGNED_SYSTEM_ADDRESS);
				for (unsigned int i=0; i < replicaListOut.Size(); i++)
					RakNet::OP_DELETE(replicaListOut[i], _FILE_AND_LINE_);
			}

		}

		RakSleep(30);
		for (int i=0; i < 4; i++)
		{
			if (rakPeer->GetInternalID(RakNet::UNASSIGNED_SYSTEM_ADDRESS,0).GetPort()!=SERVER_PORT+i)
				rakPeer->AdvertiseSystem("255.255.255.255", SERVER_PORT+i, 0,0,0);
		}
	}

	rakPeer->Shutdown(100,0);
	RakNet::RakPeerInterface::DestroyInstance(rakPeer);
}