public void Send(UdpPacket packet)
{
if (this._state != ClientState.Working)
{
return;
}
//异步发送
IPEndPoint remoteIpEp = new IPEndPoint(packet.Address, packet.Port);
packet.GenerateID();
LoggerFactory.Debug("parepare send packet:{0}", packet);
EncodeResult result = null;
try
{
IPacketEncoder encoder = PacketEncoderFactory.CreateEncoder(packet);
LoggerFactory.Debug("get encoder:{0}", encoder.GetType().Name);
result = encoder.Encode(null);
LoggerFactory.Debug("encode packet:{0}", result);
if (result.Length > UDP_MAX_BUF_SIZE)
{
//超过大小的分包处理
MultiUdpPacket mpacket = new MultiUdpPacket(result.Fragments[0]);
mpacket.ID = packet.ID;
mpacket.ParentID = packet.ID;
encoder = PacketEncoderFactory.CreateEncoder(mpacket);
LoggerFactory.Debug("get encoder:{0}", encoder.GetType().Name);
result = encoder.Encode(UDP_MAX_BUF_SIZE - MultiUdpPacket.HEAD_SIZE);
LoggerFactory.Debug("encode packet:{0}", result);
}
}
catch (Exception e)
{
OnSendPackage(packet, false);
OnError(Errors.EncodeError, "加密包错误。", e);
}
try
{
for (int i = 0; i < result.Fragments.Count; i++)
{
byte[] buf = result.Fragments[i];
SendState state = new SendState();
state.LastPacket = i == result.Fragments.Count - 1;
state.Packet = packet;
_client.BeginSend(buf, buf.Length, remoteIpEp, new AsyncCallback(AsyncSendHandler), state);
Thread.Sleep(20);//稍微等待一下，避免丢包
}
}
catch (Exception e)
{
OnSendPackage(packet, false);
OnError(Errors.NetworkError, "发送包错误。", e);
}
}