/// <summary>
/// 处理连接请求
/// </summary>
private void ProcessAccept(SocketAsyncEventArgs e)
{
//计数 限制进程访问数
acceptSemaphore.WaitOne();
//得到一个socket对象
// Socket clientSocket = e.AcceptSocket;
ClientPeer clientSocket = clientPeerPool.Dequeue();
clientSocket.ClientSocket = e.AcceptSocket;
Console.WriteLine("客户端连接成功 ：" + clientSocket.ClientSocket.RemoteEndPoint.ToString());
//开始接受数据
StartReceive(clientSocket);
//再进行其他操作
e.AcceptSocket = null;
StartAccept(e);
}
/// <summary>
/// 断开连接
/// </summary>
/// <param name="client">断开的客户端连接对象</param>
/// <param name="reason">断开原因</param>
public void Disconnect(ClientPeer client, string reason)
{
try
{
//清空数据
if (client == null)
{
throw new Exception("请确保当前有客户端连接...");
}
//通知应用层，这个客户端断开了
application.OnDisconnect(client);
Console.WriteLine(client.ClientSocket.RemoteEndPoint.ToString() + " 客户端断开连接，原因：" + reason);
client.Disconnect();
clientPeerPool.Enqueue(client);
acceptSemaphore.Release();
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
/// <summary>
/// 处理接收的请求
/// </summary>
private void ProcessReceive(SocketAsyncEventArgs e)
{
ClientPeer client = e.UserToken as ClientPeer;
//判断网络消息是否接受成功
int receiveDataLength = client.ReceiveArgs.BytesTransferred;
if (client.ReceiveArgs.SocketError == SocketError.Success && receiveDataLength > 0)
{
//拷贝数据到数组中
byte[] byteArray = new byte[receiveDataLength];
Buffer.BlockCopy(client.ReceiveArgs.Buffer, 0, byteArray, 0, receiveDataLength);
//让客户端自行解析数据包 （粘包）
client.StartReceive(byteArray);
StartReceive(client);
}
else
{
//断开连接了
//如果没有传输的字节数，表示断开连接了
if (client.ReceiveArgs.BytesTransferred == 0)
{
if (client.ReceiveArgs.SocketError == SocketError.Success)
{
//客户端主动断开连接
Disconnect(client, "客户端主动断开连接...");
}
else
{
//由于网络异常等原因，被动断开连接
Disconnect(client, client.ReceiveArgs.SocketError.ToString());
}
}
}
}
/// <summary>
/// 一条数据解析完成的处理
/// </summary>
/// <param name="client">对应的连接对象</param>
/// <param name="value">解析出来的一个具体能使用的类型</param>
private void ReceiveCompleted(ClientPeer client, MessageData message)
{
//给应用层
application.OnReceive(client, message);
}
public void Enqueue(ClientPeer client)
{
clientPeerQueue.Enqueue(client);
}