int main(int argc, char** argv) {
RakNet::RakPeerInterface *server = RakNet::RakPeerInterface::GetInstance();
RakNet::Packet* p;
unsigned char packetIdentifier;
RakNet::SystemAddress clientID = RakNet::UNASSIGNED_SYSTEM_ADDRESS;
RakNet::RakNetStatistics *rss;
RakNet::SocketDescriptor socketDescriptors[2];
char portstring[30];
socketDescriptors[0].port = SERVER_PORT;
socketDescriptors[0].socketFamily = AF_INET; // Test out IPV4
socketDescriptors[1].port = SERVER_PORT;
socketDescriptors[1].socketFamily = AF_INET6; // Test out IPV6
if (server->Startup(4, socketDescriptors, 2) != RakNet::RAKNET_STARTED) {
std::cout << "IPV6 not supported, starting with IPV4-only interface..." << std::endl;
if (server->Startup(4, socketDescriptors, 1) != RakNet::RAKNET_STARTED) {
std::cerr << "Error creating server, exiting..." << std::endl;
exit(-1);
}
}
std::cout << "Server started successfully. Listening on port " << SERVER_PORT << std::endl;
server->SetMaximumIncomingConnections(20);
server->SetOccasionalPing(true);
server->SetUnreliableTimeout(1000);
DataStructures::List<RakNet::RakNetSocket2*> sockets;
server->GetSockets(sockets);
std::cout << "Socket addresses used by RakNet:" << std::endl;
for (unsigned int i = 0; i < sockets.Size(); i++) {
printf("%i. %s\n", i + 1, sockets[i]->GetBoundAddress().ToString(true));
}
char message[2048];
// Loop for input
while (1)
{
// This sleep keeps RakNet responsive
RakSleep(30);
if (kbhit())
{
// Notice what is not here: something to keep our network running. It's
// fine to block on gets or anything we want
// Because the network engine was painstakingly written using threads.
Gets(message, sizeof(message));
if (strcmp(message, "quit") == 0)
{
puts("Quitting.");
break;
}
if (strcmp(message, "stat") == 0)
{
rss = server->GetStatistics(server->GetSystemAddressFromIndex(0));
StatisticsToString(rss, message, 2);
printf("%s", message);
printf("Ping %i\n", server->GetAveragePing(server->GetSystemAddressFromIndex(0)));
continue;
}
if (strcmp(message, "ping") == 0)
{
server->Ping(clientID);
continue;
}
if (strcmp(message, "pingip") == 0)
{
printf("Enter IP: ");
Gets(message, sizeof(message));
printf("Enter port: ");
Gets(portstring, sizeof(portstring));
if (portstring[0] == 0)
strcpy(portstring, "1234");
server->Ping(message, atoi(portstring), false);
continue;
}
if (strcmp(message, "kick") == 0)
{
server->CloseConnection(clientID, true, 0);
continue;
}
if (strcmp(message, "getconnectionlist") == 0)
{
printf("Connections:\n");
RakNet::SystemAddress systems[10];
unsigned short numConnections = 10;
server->GetConnectionList((RakNet::SystemAddress*) &systems, &numConnections);
for (int i = 0; i < numConnections; i++)
{
printf("%i. %s\n", i + 1, systems[i].ToString(true));
}
continue;
}
if (strcmp(message, "ban") == 0)
{
printf("Enter IP to ban. You can use * as a wildcard\n");
Gets(message, sizeof(message));
server->AddToBanList(message);
printf("IP %s added to ban list.\n", message);
continue;
}
// Message now holds what we want to broadcast
char message2[2048];
// Append Server: to the message so clients know that it ORIGINATED from the server
// All messages to all clients come from the server either directly or by being
// relayed from other clients
message2[0] = 0;
const static char prefix[] = "Server: ";
strncpy(message2, prefix, sizeof(message2));
strncat(message2, message, sizeof(message2) - strlen(prefix) - 1);
// message2 is the data to send
// strlen(message2)+1 is to send the null terminator
// HIGH_PRIORITY doesn't actually matter here because we don't use any other priority
// RELIABLE_ORDERED means make sure the message arrives in the right order
// We arbitrarily pick 0 for the ordering stream
// RakNet::UNASSIGNED_SYSTEM_ADDRESS means don't exclude anyone from the broadcast
// true means broadcast the message to everyone connected
server->Send(message2, (const int)strlen(message2) + 1, HIGH_PRIORITY, RELIABLE_ORDERED, 0, RakNet::UNASSIGNED_SYSTEM_ADDRESS, true);
}
// Get a packet from either the server or the client
for (p = server->Receive(); p; server->DeallocatePacket(p), p = server->Receive())
{
// We got a packet, get the identifier with our handy function
packetIdentifier = GetPacketIdentifier(p);
// Check if this is a network message packet
switch (packetIdentifier)
{
case ID_DISCONNECTION_NOTIFICATION:
// Connection lost normally
printf("ID_DISCONNECTION_NOTIFICATION from %s\n", p->systemAddress.ToString(true));;
break;
case ID_NEW_INCOMING_CONNECTION:
// Somebody connected. We have their IP now
printf("ID_NEW_INCOMING_CONNECTION from %s with GUID %s\n", p->systemAddress.ToString(true), p->guid.ToString());
clientID = p->systemAddress; // Record the player ID of the client
printf("Remote internal IDs:\n");
for (int index = 0; index < MAXIMUM_NUMBER_OF_INTERNAL_IDS; index++)
{
RakNet::SystemAddress internalId = server->GetInternalID(p->systemAddress, index);
if (internalId != RakNet::UNASSIGNED_SYSTEM_ADDRESS)
{
printf("%i. %s\n", index + 1, internalId.ToString(true));
}
}
break;
case ID_INCOMPATIBLE_PROTOCOL_VERSION:
printf("ID_INCOMPATIBLE_PROTOCOL_VERSION\n");
break;
case ID_CONNECTED_PING:
case ID_UNCONNECTED_PING:
printf("Ping from %s\n", p->systemAddress.ToString(true));
break;
case ID_CONNECTION_LOST:
// Couldn't deliver a reliable packet - i.e. the other system was abnormally
// terminated
printf("ID_CONNECTION_LOST from %s\n", p->systemAddress.ToString(true));;
break;
default:
// The server knows the static data of all clients, so we can prefix the message
// With the name data
printf("%s\n", p->data);
// Relay the message. We prefix the name for other clients. This demonstrates
// That messages can be changed on the server before being broadcast
// Sending is the same as before
sprintf(message, "%s", p->data);
server->Send(message, (const int)strlen(message) + 1, HIGH_PRIORITY, RELIABLE_ORDERED, 0, p->systemAddress, true);
break;
}
}
}
server->Shutdown(300);
// We're done with the network
RakNet::RakPeerInterface::DestroyInstance(server);
}
