//下面这段程序使用的是当前最新的RakNet_PC-4.05
//把RakNet下载下来后先编译
//依赖的库:ws2_32.lib RakNetLibStaticDebug.lib
#include <stdio.h>
#include <string.h>
#include "RakPeerInterface.h"
#include "MessageIdentifiers.h"
#include "BitStream.h"
#include "RakNetTypes.h" // MessageID
#define MAX_CLIENTS 10
#define SERVER_PORT 60000
enum GameMessages
{
ID_GAME_MESSAGE_1=ID_USER_PACKET_ENUM+1
};
//服务端程序:
int main(void)
{
RakNet::RakPeerInterface *peer = RakNet::RakPeerInterface::GetInstance();
bool isServer;
RakNet::Packet *packet;
RakNet::SocketDescriptor sd(SERVER_PORT,0);
//设置这个peer最多能连接MAX_CLIENTS个客户端
peer->Startup(MAX_CLIENTS, &sd, 1);
isServer = true;
printf("Starting the server.\n");
//作为服务器
peer->SetMaximumIncomingConnections(MAX_CLIENTS);
while (1)
{
for (packet=peer->Receive(); packet; peer->DeallocatePacket(packet), packet=peer->Receive())
{
switch (packet->data[0])
{
case ID_REMOTE_DISCONNECTION_NOTIFICATION:
printf("Another client has disconnected.\n");
break;
case ID_REMOTE_CONNECTION_LOST:
printf("Another client has lost the connection.\n");
break;
case ID_REMOTE_NEW_INCOMING_CONNECTION:
printf("Another client has connected.\n");
break;
case ID_CONNECTION_REQUEST_ACCEPTED:
{
printf("Our connection request has been accepted.\n");
// Use a BitStream to write a custom user message
// Bitstreams are easier to use than sending casted structures, and handle endian swapping automatically
RakNet::BitStream bsOut;
bsOut.Write((RakNet::MessageID)ID_GAME_MESSAGE_1);
bsOut.Write("Hello world");
peer->Send(&bsOut,HIGH_PRIORITY,RELIABLE_ORDERED,0,packet->systemAddress,false);
}
break;
case ID_NEW_INCOMING_CONNECTION:
printf("A connection is incoming.\n");
break;
case ID_NO_FREE_INCOMING_CONNECTIONS:
printf("The server is full.\n");
break;
case ID_DISCONNECTION_NOTIFICATION:
if (isServer)
{
printf("A client has disconnected.\n");
}
else
{
printf("We have been disconnected.\n");
}
break;
case ID_CONNECTION_LOST:
if (isServer)
{
printf("A client lost the connection.\n");
}
else
{
printf("Connection lost.\n");
}
break;
case ID_GAME_MESSAGE_1:
{
RakNet::RakString rs;
RakNet::BitStream bsIn(packet->data,packet->length,false);
bsIn.IgnoreBytes(sizeof(RakNet::MessageID));
bsIn.Read(rs);
printf("%s\n", rs.C_String());
}
break;
default:
printf("Message with identifier %i has arrived.\n", packet->data[0]);
break;
}
}
}
RakNet::RakPeerInterface::DestroyInstance(peer);
return 0;
}
//客户端程序
int main(void)
{
RakNet::RakPeerInterface *peer = RakNet::RakPeerInterface::GetInstance();
RakNet::SocketDescriptor sd;
peer->Startup(1,&sd, 1);
//作为客户端连接,连接到主机ip地址和端口号
peer->Connect("192.168.1.198", SERVER_PORT, 0, 0);
int i=0;
while(i++<10)
{
//给主机发送数据
RakNet::BitStream bsOut;
bsOut.Write((RakNet::MessageID)ID_GAME_MESSAGE_1);
bsOut.Write("Hello world");
//给所有连接方,发送数据
peer->Send(&bsOut,HIGH_PRIORITY,RELIABLE_ORDERED,0,RakNet::UNASSIGNED_SYSTEM_ADDRESS,true);
Sleep(500);
}
//断开连接,这个会给对方发送一个消息,告诉它要断开连接了。
peer->Shutdown(300);
RakNet::RakPeerInterface::DestroyInstance(peer);
return 0;
}