/// <summary>
/// 添加UDP套接字
/// </summary>
/// <param name="name">套接字注册名称</param>
/// <param name="ipPort">IP端口信息</param>
/// <param name="remoteName">远程套接字注册名称</param>
public void Add(byte[] name, ipPort ipPort, byte[] remoteName)
{
if (name == null || name.Length > udpServer.MaxPacketSize || remoteName == null || remoteName.Length > udpServer.MaxPacketSize)
{
log.Error.Throw(log.exceptionType.IndexOutOfRange);
}
udpSocket socket = null, oldSocket;
try
{
socket = new udpSocket(this, name, ipPort, remoteName);
Monitor.Enter(socketLock);
try
{
if (sockets.TryGetValue(ipPort, out oldSocket))
{
pub.Dispose(ref oldSocket);
sockets[ipPort] = socket;
}
else
{
sockets.Add(ipPort, socket);
}
}
finally { Monitor.Exit(socketLock); }
socket.Start();
socket = null;
}
finally { pub.Dispose(socket); }
}
/// <summary>
/// UDP穿透端口服务客户端
/// </summary>
/// <param name="client">UDP穿透端口服务客户端</param>
/// <param name="name">套接字注册名称</param>
/// <param name="ip">套接字绑定端口信息</param>
/// <param name="remoteName">远程套接字注册名称</param>
internal udpSocket(portClient client, byte[] name, ipPort ipPort, byte[] remoteName)
{
IpPort = ipPort;
Socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
Socket.Bind(new IPEndPoint(new IPAddress(ipPort.Ip), ipPort.Port));
this.client = client;
this.name = name;
this.remoteName = new fastCSharp.code.cSharp.tcpBase.subByteArrayBuffer {
Buffer = subArray <byte> .Unsafe(remoteName, 0, remoteName.Length)
};
timeout = date.NowSecond.AddTicks(client.timeoutTicks);
}
/// <summary>
/// 接受数据
/// </summary>
private unsafe void receive()
{
EndPoint endPoint = null;
byte[] data = new byte[MaxPacketSize];
fixed(byte *dataFixed = data)
{
while (socket != null)
{
try
{
endPoint = anyIp;
int count = socket.ReceiveFrom(data, 0, MaxPacketSize, SocketFlags.None, ref endPoint);
if (count > 0)
{
ipPort oldPort, ipPort = (IPEndPoint)endPoint;
byte[] name = new byte[count];
Buffer.BlockCopy(data, 0, name, 0, count);
hashBytes nameKey = name;
if (names.TryGetValue(nameKey, out oldPort))
{
if (ipPort.Equals(oldPort))
{
ports.RefreshTimeout(oldPort);
}
else
{
ports.Remove(oldPort);
ports[ipPort] = nameKey;
names[nameKey] = ipPort;
}
}
else
{
ports[ipPort] = nameKey;
names[nameKey] = ipPort;
}
}
}
catch (Exception error)
{
Console.WriteLine(error.ToString());
Thread.Sleep(1);
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="ipPort"></param>
/// <param name="name"></param>
private void remove(ipPort ipPort, hashBytes name)
{
names.Remove(name);
}