public int m_numConnectedSockets = 0; // the total number of clients connected to the server连接到服务器的客户端总数
private void ProcessSend(SocketAsyncEventArgs e)
{
MySocketEventArgs mys = (MySocketEventArgs)e;
mys.IsUsing = false; //数据发送已完成.状态设为False
Interlocked.Increment(ref m_numConnectedSockets);
Console.WriteLine("客户端当前线程ID：" + Thread.CurrentThread.ManagedThreadId.ToString() + "已发送：" + m_numConnectedSockets);
//Console.WriteLine("发送结束");
if (e.SocketError != SocketError.Success)
{
ProcessError(e);
}
}
/// <summary>
/// 初始化发送参数MySocketEventArgs
/// </summary>
/// <returns></returns>
MySocketEventArgs initSendArgs()
{
MySocketEventArgs sendArg = new MySocketEventArgs();
sendArg.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
sendArg.UserToken = clientSocket;
sendArg.RemoteEndPoint = hostEndPoint;
sendArg.IsUsing = false;
Interlocked.Increment(ref tagCount);
sendArg.ArgsTag = tagCount;
lock (listArgs)
{
listArgs.Add(sendArg);
}
return(sendArg);
}
// Exchange a message with the host.
internal void Send(IMessage message)
{
if (connected)
{
//先对数据进行包装,就是把包的大小作为头加入,这必须与服务器端的协议保持一致,否则造成服务器无法处理数据.
byte[] sendBuffer = message.ToByteArray();
Console.WriteLine(sendBuffer.Length);
byte[] buff = new byte[sendBuffer.Length + 4];
Array.Copy(BitConverter.GetBytes(sendBuffer.Length), buff, 4);
Array.Copy(sendBuffer, 0, buff, 4, sendBuffer.Length);
//查找有没有空闲的发送MySocketEventArgs,有就直接拿来用,没有就创建新的.So easy!
MySocketEventArgs sendArgs = listArgs.Find(a => a.IsUsing == false);
if (sendArgs == null)
{
sendArgs = initSendArgs();
}
lock (sendArgs) //要锁定,不锁定让别的线程抢走了就不妙了.
{
sendArgs.IsUsing = true;
sendArgs.SetBuffer(buff, 0, buff.Length);
}
bool willRaiseEvent = clientSocket.SendAsync(sendArgs);
if (!willRaiseEvent)//当消息量小时 很可能会立即发送完毕 此时不会触发发送回调 必须要立即判断
{
ProcessSend(sendArgs);
}
#region 测试protobuf 反序列化
//byte[] buff1 = new byte[sendBuffer.Length];
//Array.Copy(sendBuffer, 0, buff1, 0, 30);
//CodedInputStream codedInputStream = new CodedInputStream(buff1);
//int aaa = 1;
//uint aaa1 = codedInputStream.ReadRawVarint32(ref aaa);
//Person person = Person.Parser.ParseFrom(sendBuffer);
//Console.WriteLine(person.Aliases);
#endregion
}
else
{
throw new SocketException((Int32)SocketError.NotConnected);
}
}
