private void ReciveCallBack(IAsyncResult ar)
{
ZTcpClient client = (ZTcpClient)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
{
DisConnect();
}
}
catch (Exception ex)
{
DisConnect();
}
}
}
private void ReciveData(ZTcpClient 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);
}
client.RefreshLastReciveTime();
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);
if (OnReciveData != null)
{
OnReciveData(this, new ZTcpClientEventArgs(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 ZTcpClientCmdEventArgs(this, 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 ZTcpClientEventArgs(client, client.NetWork));
}
}
}
public ZTcpClientCmdEventArgs(ZTcpClient zclient, TcpClient client, NameValueCollection data)
: base(zclient, client)
{
_Data = data;
}
public ZTcpClientEventArgs(ZTcpClient zclient, TcpClient client)
{
_ZTcpClient = zclient;
_Client = client;
}