/// <summary>
/// 打开服务器连接
/// </summary>
/// <param name="prot">端口号</param>
/// <param name="maxcount">最大连接数</param>
public void Start(int prot, int maxcount)
{
try
{
serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
acceptSemaphore = new Semaphore(maxcount, maxcount);
clientPeerPool = new ClientpeerPool(maxcount);
Clientpeer temClientpeer = null;
for (int i = 0; i < maxcount; i++)
{
temClientpeer = new Clientpeer();
temClientpeer.receveargs.Completed += Receive_Completed;
temClientpeer.receivecompleted = receiveCompleted;
clientPeerPool.Enqueue(temClientpeer);
}
serverSocket.Bind(new IPEndPoint(IPAddress.Any, prot));
serverSocket.Listen(10);
Console.WriteLine("服务器启动成功！！！");
startAccept(null);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
throw new Exception("打开服务器失败！！！！");
}
}
/// <summary>
/// 处理接收的请求
/// </summary>
/// <param name="e"></param>
private void ProcessReceive(SocketAsyncEventArgs e)
{
Clientpeer client = e.UserToken as Clientpeer;
//异步套接字结果成功且传输字节大于0
if (client.receveargs.SocketError == SocketError.Success && client.receveargs.BytesTransferred > 0)
{
byte[] packet = new byte[client.receveargs.BytesTransferred];
Buffer.BlockCopy(client.receveargs.Buffer, 0, packet, 0, client.receveargs.BytesTransferred);
//客户端自身处理这个数据包，自身解析
client.StartReceive(packet);
}
//断开连接 如果没有传输的字节数 就代表断开连接了
else if (client.receveargs.BytesTransferred == 0)
{
if (client.receveargs.SocketError == SocketError.Success)
{
//客户端主动断开
//TODO
}
else
{
//由于网络异常 导致 被动断开连接
//TODO
}
}
}
private void StartReceive(Clientpeer client)
{
try
{
SocketAsyncEventArgs clientrecevearges = client.receveargs;
bool result = client.ClientSocket.ReceiveAsync(clientrecevearges);
if (!result)
{
ProcessReceive(clientrecevearges);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
private void processResult(SocketAsyncEventArgs e)
{
//Socket clientSocket = e.AcceptSocket;
//保存客户端socket
Clientpeer client = clientPeerPool.Dequeue();
client.ClientSocket = e.AcceptSocket;
//开始接收数据
StartReceive(client);
//递归调用
e.AcceptSocket = null;
startAccept(e);
}
public void Enqueue(Clientpeer client)
{
clientpeerspool.Enqueue(client);
}
/// <summary>
/// 接收完一条消息时的回调
/// </summary>
/// <param name="client"></param>
/// <param name="value"></param>
private void receiveCompleted(Clientpeer client, SocketMsg value)
{
//给应用层 让其使用
//TODO
}