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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) 2016-2018, 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 <stdio.h>
#include "slikenet/Kbhit.h"
#include <string.h>
#include <stdlib.h>
#include <limits> // used for std::numeric_limits
#include "slikenet/BitStream.h"
#include "slikenet/MessageIdentifiers.h"
#include "slikenet/Router2.h"
#include "slikenet/sleep.h"
#include "slikenet/GetTime.h"
#include "slikenet/Rand.h"
#include "slikenet/assert.h"
#include "slikenet/SocketLayer.h"
#include "slikenet/Getche.h"
#include "slikenet/Gets.h"
#include "slikenet/linux_adapter.h"
#include "slikenet/osx_adapter.h"
using namespace SLNet;
// Global just to make the sample easier to write
RakNetGUID endpointGuid;
RakPeerInterface *endpoint=0, *router=0;
RakPeerInterface *rakPeer;
Router2 *router2Plugin;
void ReadAllPackets(void)
{
char str[64], str2[64];
Packet *packet;
for (packet=rakPeer->Receive(); packet; rakPeer->DeallocatePacket(packet), packet=rakPeer->Receive())
{
packet->guid.ToString(str, 64);
packet->systemAddress.ToString(true,str2,static_cast<size_t>(64));
if (packet->data[0]==ID_NEW_INCOMING_CONNECTION)
{
printf("ID_NEW_INCOMING_CONNECTION from %s on %s\n", str, str2);
}
else if (packet->data[0]==ID_CONNECTION_REQUEST_ACCEPTED)
{
printf("ID_CONNECTION_REQUEST_ACCEPTED from %s on %s\n", str, str2);
}
else if (packet->data[0]==ID_ROUTER_2_FORWARDING_NO_PATH)
{
printf("No path to endpoint exists. Routing failed.\n");
}
else if (packet->data[0]==ID_CONNECTION_LOST)
{
printf("ID_CONNECTION_LOST from %s\n", str);
}
else if (packet->data[0]==ID_USER_PACKET_ENUM+1)
{
printf("Got ID_USER_PACKET_ENUM from %s\n", str);
}
else if (packet->data[0]==ID_ROUTER_2_FORWARDING_ESTABLISHED)
{
SLNet::BitStream bs(packet->data, packet->length, false);
bs.IgnoreBytes(sizeof(MessageID));
bs.Read(endpointGuid);
printf("Routing through %s to %s successful. Connecting.\n", str, endpointGuid.ToString());
unsigned short sourceToDestPort;
bs.Read(sourceToDestPort);
char ipAddressString[32];
packet->systemAddress.ToString(false, ipAddressString,static_cast<size_t>(32));
rakPeer->Connect(ipAddressString, sourceToDestPort, 0,0);
}
else if (packet->data[0]==ID_ROUTER_2_REROUTED)
{
// You could read the endpointGuid and sourceToDestPoint if you wanted to
SLNet::BitStream bs(packet->data, packet->length, false);
bs.IgnoreBytes(sizeof(MessageID));
RakNetGUID endpointGuid2;
bs.Read(endpointGuid2);
endpointGuid2.ToString(str, 64);
SystemAddress intermediateAddress=packet->systemAddress;
unsigned short port;
bs.Read(port);
intermediateAddress.SetPortHostOrder(port);
char str3[32];
intermediateAddress.ToString(true, str3, static_cast<size_t>(32));
printf("Connection to %s rerouted through %s\n", str, str3);
// Test sending a message to the endpoint
SLNet::BitStream bsOut;
MessageID id = ID_USER_PACKET_ENUM+1;
bsOut.Write(id);
rakPeer->Send(&bsOut,HIGH_PRIORITY,RELIABLE_ORDERED,0,endpointGuid2,false);
}
}
}
int main(void)
{
printf("Demonstration of the router2 plugin.\n");
printf("The router2 plugin allows you to connect to a system, routing messages through\n");
printf("a third system. This is useful if you can connect to the second system, but not\n");
printf("the third, due to NAT issues.\n");
printf("1. Start 4 instances, A, B, C, D\n");
printf("2. Connect A to B and C, B to C, and D to B and C.\n");
printf("3. On A press 'r' to start routing to D\n");
printf("4. Once connected, close the router that did the routing to reroute.\n");
printf("Difficulty: Advanced\n\n");;
endpointGuid=UNASSIGNED_RAKNET_GUID;
char str[64], str2[64];
rakPeer= SLNet::RakPeerInterface::GetInstance();
rakPeer->SetMaximumIncomingConnections(32);
SocketDescriptor sd(0,0);
rakPeer->Startup(32,&sd,1);
printf("Enter 'c' to connect, 'r' to start routing, 'q' to quit.\n");
rakPeer->GetGuidFromSystemAddress(UNASSIGNED_SYSTEM_ADDRESS).ToString(str, 64);
printf("My GUID is %s\n", str);
printf("Started on port %i\n", rakPeer->GetSocket(UNASSIGNED_SYSTEM_ADDRESS)->GetBoundAddress().GetPort());
rakPeer->SetTimeoutTime(3000,UNASSIGNED_SYSTEM_ADDRESS);
router2Plugin = new Router2;
// Router2DebugInterface r2di;
// router2Plugin->SetDebugInterface(&r2di);
rakPeer->AttachPlugin(router2Plugin);
router2Plugin->SetMaximumForwardingRequests(1);
printf("Sample running. Press 'q' to quit\n");
for(;;)
{
if (_kbhit())
{
int ch=_getch();
if (ch=='q')
break;
if (ch=='r')
{
do
{
printf("Enter destination guid: ");
Gets(str2,sizeof(str2));
} while (str2[0]==0);
RakNetGUID destinationGuid;
destinationGuid.FromString(str2);
router2Plugin->EstablishRouting(destinationGuid);
}
if (ch=='c')
{
printf("Enter IP address to connect to: ");
Gets(str,sizeof(str));
if (str[0]==0)
strcpy_s(str, "127.0.0.1");
int intRemotePort = 0;
do
{
printf("Enter port to connect to: ");
Gets(str2,sizeof(str2));
intRemotePort = atoi(str2);
if ((intRemotePort < 0) || (intRemotePort > std::numeric_limits<unsigned short>::max())) {
printf("Specified remote port %d is outside valid bounds [0, %u]", intRemotePort, std::numeric_limits<unsigned short>::max());
intRemotePort = 0;
}
} while (intRemotePort == 0);
// Connect
rakPeer->Connect(str, static_cast<unsigned short>(intRemotePort),0,0);
}
}
RakSleep(30);
ReadAllPackets();
}
SLNet::RakPeerInterface::DestroyInstance(rakPeer);
delete router2Plugin;
}