public static void AsyncConnectForIdentity(ConnectionRoute route, SocketAsyncCallbackEventHandler asyncCallback, SocketAsyncExceptionEventHandler exceptionCallback)
{
Task.Run(() =>
{
try
{
SocketIdentity identity = SocketIdentity.None;
SocketClient client = new SocketClient(route.NextNode, route.IsNextNodeProxy);
//client.Connect(Config.SocketSendTimeout, Config.SocketReceiveTimeout);
client.ConnectWithTimeout(Config.BuildConnectionTimeout);
client.SetTimeout(Config.SocketSendTimeout, Config.SocketReceiveTimeout);
if (route.IsNextNodeProxy)
{
/// 向代理服务器申请建立与服务端通信隧道, 并等待隧道建立完成
client.SendBytes(SocketPacketFlag.ProxyRouteRequest, route.GetBytes(node_start_index: 1), i1: 0);
client.ReceiveBytes(out HB32Header header, out byte[] bytes);
if (header.Flag != SocketPacketFlag.ProxyResponse)
{
throw new Exception(string.Format("Proxy exception at depth {0} : {1}. {2}",
header.I1, route.ProxyRoute[header.I1], Encoding.UTF8.GetString(bytes)));
}
}
/// 获取 socket 权限
client.SendBytes(SocketPacketFlag.AuthenticationRequest, Config.KeyBytes);
client.ReceiveBytesWithHeaderFlag(SocketPacketFlag.AuthenticationResponse, out HB32Header auth_header);
identity = (SocketIdentity)auth_header.I1;
client.Close();
asyncCallback.Invoke(null, EventArgs.Empty);
}
catch (Exception ex)
{
exceptionCallback.Invoke(null, new SocketAsyncExceptionEventArgs(ex));
}
});
/*
*
* 原来这种方案同样是异步执行, 总会提前返回 SocketIdentity.None
* SocketIdentity identity = SocketIdentity.None;
* SocketClient client = new SocketClient(route.NextNode, route.IsNextNodeProxy);
* client.SocketAsyncCallback += (object sender, EventArgs e) =>
* {
* if (route.IsNextNodeProxy)
* {
* /// 向代理服务器申请建立与服务端通信隧道, 并等待隧道建立完成
* client.SendBytes(SocketPacketFlag.ProxyRouteRequest, route.GetBytes(node_start_index: 1));
* client.ReceiveBytesWithHeaderFlag(SocketPacketFlag.ProxyResponse);
* }
* /// 获取 socket 权限
* client.SendBytes(SocketPacketFlag.AuthenticationRequest, Config.KeyBytes);
* client.ReceiveBytesWithHeaderFlag(SocketPacketFlag.AuthenticationResponse, out HB32Header header);
* identity = (SocketIdentity)header.I1;
* client.Close();
* };
* client.SocketAsyncCallback += asyncCallback;
* client.SocketAsyncException += exceptionCallback;
* client.AsyncConnect(Config.SocketSendTimeout, Config.SocketReceiveTimeout);
*/
}
public static void AsyncConnectForIdentity(SocketAsyncCallbackEventHandler asyncCallback, SocketAsyncExceptionEventHandler exceptionCallback)
{
AsyncConnectForIdentity(CurrentRoute, asyncCallback, exceptionCallback);
}