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2025-11-24 14:19:51 +05:30
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Samples/UDPForwarder/main.cpp Normal file
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/*
* Original work: Copyright (c) 2014, Oculus VR, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* RakNet License.txt file in the licenses directory of this source tree. An additional grant
* of patent rights can be found in the RakNet Patents.txt file in the same directory.
*
*
* Modified work: Copyright (c) 2017, SLikeSoft UG (haftungsbeschränkt)
*
* This source code was modified by SLikeSoft. Modifications are licensed under the MIT-style
* license found in the license.txt file in the root directory of this source tree.
*/
#include "slikenet/peerinterface.h"
#include "slikenet/sleep.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "slikenet/Kbhit.h"
#include "slikenet/MessageIdentifiers.h"
#include "slikenet/BitStream.h"
#include "slikenet/sleep.h"
#include "slikenet/UDPForwarder.h"
#include "slikenet/SocketLayer.h"
int main()
{
SLNet::RakPeerInterface *rakPeer[2];
rakPeer[0]= SLNet::RakPeerInterface::GetInstance();
rakPeer[1]= SLNet::RakPeerInterface::GetInstance();
SLNet::SocketDescriptor sd1(50000,0),sd2(50002,0);
SLNet::StartupResult sr;
#if RAKNET_SUPPORT_IPV6==1
sd1.socketFamily=AF_INET6; // Test out IPV6
#endif
sr = rakPeer[0]->Startup(1,&sd1, 1);
RakAssert(sr== SLNet::RAKNET_STARTED);
#if RAKNET_SUPPORT_IPV6==1
sd2.socketFamily=AF_INET6; // Test out IPV6
#endif
sr = rakPeer[1]->Startup(1,&sd2, 1);
RakAssert(sr== SLNet::RAKNET_STARTED);
rakPeer[1]->SetMaximumIncomingConnections(1);
SLNet::UDPForwarder udpForwarder;
printf("Demonstrates the UDP Forwarder class\n");
printf("It routes datagrams from system to another, at the UDP level.\n");
printf("You probably won't use UDPForwarder directly.\n");
printf("See UDPProxyClient, UDPProxyServer, UDPProxyCoordinator.\n");
// Start the forwarder
udpForwarder.Startup();
// RakNet will send a message at least every 5 seconds. Add another second to account for thread latency
const SLNet::TimeMS timeoutOnNoDataMS=6000;
// Address is probably 192.168.0.1. Fix it to be 127.0.0.1.
// Only necessary to do this when connecting through the loopback on the local system. In a real system we'd stick with the external IP
SLNet::SystemAddress peer0Addr = rakPeer[0]->GetMyBoundAddress();
RakAssert(peer0Addr!= SLNet::UNASSIGNED_SYSTEM_ADDRESS);
SLNet::SystemAddress peer1Addr = rakPeer[1]->GetMyBoundAddress();
RakAssert(peer1Addr!= SLNet::UNASSIGNED_SYSTEM_ADDRESS);
// peer0Addr.FromString("127.0.0.1");
// peer1Addr.FromString("127.0.0.1");
unsigned short fowardPort;
SOCKET forwardingSocket;
if (!udpForwarder.StartForwarding(peer0Addr,peer1Addr, timeoutOnNoDataMS, "127.0.0.1", sd1.socketFamily, &fowardPort, &forwardingSocket))
{
printf("Socket error\n");
return 1;
}
SLNet::SystemAddress boundAddress;
SLNet::SocketLayer::GetSystemAddress( forwardingSocket, &boundAddress );
printf("UDPForwarder bound on %s\n", boundAddress.ToString(false));
// Send a connect message to the forwarder, on the port to forward to rakPeer[1]
SLNET_VERIFY(rakPeer[0]->Connect(boundAddress.ToString(false), fowardPort, 0, 0) == SLNet::CONNECTION_ATTEMPT_STARTED);
printf("'q'uit.\n");
SLNet::Packet *p;
for(;;)
{
for (int i=0; i < 2 ; i++)
{
p=rakPeer[i]->Receive();
while (p)
{
if (p->data[0]==ID_DISCONNECTION_NOTIFICATION)
printf("%s disconnected\n", p->systemAddress.ToString(true));
else if (p->data[0]==ID_CONNECTION_LOST)
printf("Lost connection to %s (failure)\n", p->systemAddress.ToString(true));
else if (p->data[0]==ID_NO_FREE_INCOMING_CONNECTIONS)
printf("%s has no free incoming connections.\n", p->systemAddress.ToString(true));
else if (p->data[0]==ID_NEW_INCOMING_CONNECTION)
printf("%s connected to us (success)\n", p->systemAddress.ToString(true));
else if (p->data[0]==ID_CONNECTION_REQUEST_ACCEPTED)
printf("Connection request accepted from %s (success)\n", p->systemAddress.ToString(true));
else if (p->data[0]==ID_CONNECTION_ATTEMPT_FAILED)
printf("Failed to connect to %s (failure)\n", p->systemAddress.ToString(true));
rakPeer[i]->DeallocatePacket(p);
p=rakPeer[i]->Receive();
}
}
if (_kbhit())
{
int ch = _getch();
if (ch=='q' || ch=='Q')
break;
}
RakSleep(30);
}
rakPeer[0]->Shutdown(100,0);
rakPeer[1]->Shutdown(100,0);
SLNet::RakPeerInterface::DestroyInstance(rakPeer[0]);
SLNet::RakPeerInterface::DestroyInstance(rakPeer[1]);
return 0;
}