private void ReciveCallBack(IAsyncResult ar)
{
ZRemoteClient client = (ZRemoteClient)ar.AsyncState;
if (client.NetWork.Connected)
{
try
{
NetworkStream ns = client.NetWork.GetStream();
int len = ns.EndRead(ar);
if (len > 0)
{
ReciveData(client, len);
ns.BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(ReciveCallBack), client);
}
else
{
RemoveClient(client);
}
}
catch (Exception ex)
{
RemoveClient(client);
}
}
}
internal void AddClient(ZRemoteClient client)
{
lock (dicClients)
{
dicClients.Add(client.IDKey, client);
}
}
/// <summary>
/// 客户端连接初始化
/// </summary>
/// <param name="o"></param>
private void Acceptor(IAsyncResult ar)
{
TcpListener server = ar.AsyncState as TcpListener;
try
{
TcpClient remoteTcp = server.EndAcceptTcpClient(ar);
//初始化连接的客户端
ZRemoteClient newClient = new ZRemoteClient(this, remoteTcp);
AddClient(newClient);
if (OnRemoteAccepted != null)
{
OnRemoteAccepted(this, new ZTcpServerEventArgs(this, newClient, newClient.NetWork));
}
server.BeginAcceptTcpClient(new AsyncCallback(Acceptor), server);//继续监听客户端连接
NetworkStream ns = newClient.NetWork.GetStream();
ns.BeginRead(newClient.buffer, 0, newClient.buffer.Length, new AsyncCallback(ReciveCallBack), newClient);
}
catch (ObjectDisposedException ex)
{ //监听被关闭
}
catch (Exception ex)
{
}
}
public ZRemoteClient GetRemoteClient(string IDKey)
{
lock (dicClients)
{
ZRemoteClient r = null;
dicClients.TryGetValue(IDKey, out r);
return(r);
}
}
private void ReciveData(ZRemoteClient client, int len)
{
byte[] ds = client.buffer;
//如果接收数据大于最大数据接收长度，丢弃
if (client.BufferStream.Length + len > MaxReciveLength)
{
client.BufferStream.SetLength(0);
}
if (IsDataEscape)
{
for (int i = 0; i < len; i++)
{
if (ds[i] == EscapeCharDefine.StartChar)
{
client.BufferStream.SetLength(0);
client.BufferStream.WriteByte(ds[i]);
}
else if (ds[i] == EscapeCharDefine.EndChar)
{
client.BufferStream.WriteByte(ds[i]);
byte[] d = EscapeCharDefine.UnEscape(client.BufferStream.ToArray());
client.BufferStream.SetLength(0);
client.BufferStream.Write(d, 0, d.Length);
//发出数据接收事件
if (OnReciveData != null)
{
OnReciveData(this, new ZTcpServerEventArgs(this, client, client.NetWork));
}
//发出指令收到事件
if (IsCmdInvoke && (OnCmdInvoke != null))
{
string str = Encoding.GetString(d);
NameValueCollection cmd = StringEscape.StrToCollection(str);
OnCmdInvoke(this, new ZTcpServerCmdEventArgs(this, client, client.NetWork, cmd));
}
client.BufferStream.SetLength(0);
}
else
{
client.BufferStream.WriteByte(ds[i]);
}
}
}
else
{
if (OnReciveData != null)
{
client.BufferStream.SetLength(0);
client.BufferStream.Write(ds, 0, len);
OnReciveData(this, new ZTcpServerEventArgs(this, client, client.NetWork));
}
}
}
internal void RemoveClient(ZRemoteClient client)
{
lock (dicClients)
{
dicClients.Remove(client.IDKey);
client.Close();
}
if (OnDisConnect != null)
{
OnDisConnect(this, new ZTcpServerEventArgs(this, client, client.NetWork));
}
}
public ZTcpServerCmdEventArgs(ZTcpServer zserver, ZRemoteClient zclient, TcpClient client, NameValueCollection data)
: base(zserver, zclient, client)
{
_Data = data;
}
public ZTcpServerEventArgs(ZTcpServer zserver, ZRemoteClient zclient, TcpClient client)
{
_TcpServer = zserver;
_ZClient = zclient;
_Client = client;
}