/// <summary>
/// 监听方法
/// </summary>
private void ListenHandler()
{
var epGroup = new System.Net.IPEndPoint(System.Net.IPAddress.Any, 2425);
UdpClient.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, 1000);
byte[] buffer = null;
while (IsListening)
{
System.Threading.Thread.Sleep(20);
try { buffer = UdpClient.Receive(ref epGroup); }
catch (Exception) { }
if (buffer == null || buffer.Length < 1)
{
continue;
}
var msg = System.Text.Encoding.Default.GetString(buffer);
var ip = epGroup.Address.ToString();
Thread listendthread = new Thread(listendThread);
ListenedPara para = new ListenedPara();
para.Ip = ip;
para.Msg = msg;
listendthread.Start(para);
}
}
public void listendThread(object a)
{
string[] msgtou = null;
string feiqtou = null;
string msgid = null;
string username = null;
string hostname = null;
string msgtype = null;
int bodystart = 0;
string msgbody = null;
ListenedPara para = a as ListenedPara;
string msg = para.Msg;
string ip = para.Ip;
if (msg.Length > 0)
{
msgtou = msg.Split(':');
feiqtou = msgtou[0];
msgid = msgtou[1];
username = msgtou[2];
hostname = msgtou[3];
msgtype = msgtou[4];
bodystart = feiqtou.Length + msgid.Length + username.Length + hostname.Length + msgtype.Length + 5;
msgbody = msg.Substring(bodystart);
}
MsgType revmsgtype = (MsgType)(Int32.Parse(msgtype));
switch (revmsgtype)
{
case FeiQIM.MsgType.ShakeHand:
SendResponeShakeHandToSomeIP(ip, msgbody);
break;
case FeiQIM.MsgType.Msg:
SendResponeToSomeIP(msgid, ip);
if (this.LISTENED_MSG != null)
{
LISTENED_MSG(ip, msgbody);
}
break;
case FeiQIM.MsgType.SrceenShake:
if (this.LISTENED_SRCEENSHAKE != null)
{
LISTENED_SRCEENSHAKE(ip);
}
break;
case FeiQIM.MsgType.OnLine:
if (AutoResend)
{
Thread.Sleep(200);
DataRow[] dr1 = msgdt.Select("ip='" + ip + "'");
foreach (var element in dr1)
{
ReSendMsgToSomeIP(element);
}
}
if (this.LISTENED_ONLINE != null)
{
LISTENED_ONLINE(ip);
}
break;
case FeiQIM.MsgType.OffLine:
break;
case FeiQIM.MsgType.ResponeMsg:
DataRow[] dr = msgdt.Select("msgid='" + msgbody + "'");
if (dr.Length > 0)
{
msgdt.Rows.Remove(dr[0]);
}
break;
case FeiQIM.MsgType.Writing:
if (this.LISTENED_WRITING != null)
{
LISTENED_WRITING(ip);
}
break;
default:
break;
}
}
