/// <summary>
/// 侦听UDPListen
/// </summary>
private void UDPListen()
{
byte[] data = new byte[102400];
while (RunningFlag)
{
if (mySocket == null || mySocket.Available < 1)
{
Thread.Sleep(200);
continue;
}
int rlen = mySocket.ReceiveFrom(data, ref RemotePoint);
var d = new System.IO.MemoryStream(data);
Message = hs.DeSerializeBinary <Helper_Message>((d)) as Helper_Message;
if (Message != null)
{
if (Message.IsColose)
{
RunningFlag = false;
}
UDPOnRecived();
}
}
}
/// <summary>
/// UDP发送
/// </summary>
/// <param name="name"></param>
/// <param name="ip"></param>
/// <param name="port"></param>
/// <param name="message"></param>
/// <returns></returns>
public bool UDPSend(Helper_Message message)
{
message.msgID = Guid.NewGuid().ToString();
IPEndPoint ipep = new IPEndPoint(IPAddress.Parse(message.RIP), int.Parse(message.RPort));
if (message.Data.Length <= 1024)
{
try
{
var data = hs.SerializeBinary(message).ToArray();
mySocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
mySocket.SendTo(data, data.Length, SocketFlags.None, (EndPoint)(ipep));
return(true);
}
catch { return(false); }
}
else
{
#region start
Helper_Message start = new Helper_Message();
start.sendKind = message.sendKind;
start.sendState = SendState.Start;
start.SName = message.SName;
start.SIP = message.SIP;
start.SPort = message.SPort;
start.RIP = message.SIP;
start.RPort = message.RPort;
start.Data = Encoding.Unicode.GetBytes(message.msgFileName);
var startData = Helper_Serializers.Instance.SerializeBinary(start).ToArray();
mySocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
mySocket.SendTo(startData, startData.Length, SocketFlags.None, (EndPoint)(ipep));
#endregion
#region Sending
Helper_Message sending = new Helper_Message();
sending.sendKind = message.sendKind;
sending.sendState = SendState.Sending;
sending.SName = message.SName;
sending.SIP = message.SIP;
sending.SPort = message.SPort;
sending.RIP = message.RIP;
sending.RPort = message.RPort;
sending.Data = Encoding.Unicode.GetBytes("");
MemoryStream stream = new MemoryStream(message.Data);
int sendlen = 1024;
long sunlen = (stream.Length);
int offset = 0;
while (sunlen > 0)
{
sendlen = 1024;
if (sunlen <= sendlen)
{
sendlen = Convert.ToInt32(sunlen);
}
byte[] msgdata = new byte[sendlen];
stream.Read(msgdata, offset, sendlen);
sending.sendState = SendState.Sending;
sending.Data = msgdata;
var sendingData = Helper_Serializers.Instance.SerializeBinary(sending).ToArray();
mySocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
mySocket.SendTo(sendingData, sendingData.Length, SocketFlags.None, (EndPoint)(ipep));
sunlen = sunlen - sendlen;
}
#endregion
#region end
Helper_Message end = new Helper_Message();
end.sendKind = message.sendKind;
end.sendState = SendState.End;
end.SName = message.SName;
end.SIP = message.SIP;
end.SPort = message.SPort;
end.RIP = message.RIP;
end.RPort = message.RPort;
end.Data = Encoding.Unicode.GetBytes(message.msgFileLeiXing);
stream.Close();
var endData = Helper_Serializers.Instance.SerializeBinary(end).ToArray();
mySocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
mySocket.SendTo(endData, endData.Length, SocketFlags.None, (EndPoint)(ipep));
#endregion
return(true);
}
}