/// <summary>
/// 处理反向连接请求（服务端）
/// </summary>
/// <param name="incomeClient"></param>
/// <returns></returns>
private async Task ProcessReverseRequest(SecurityTcpClient incomeClient)
{
var iClient = incomeClient.Client;
try
{
var result = await incomeClient.AuthorizeAsync();
if (result == null)
{
return; //主动关闭
}
if (!result.IsSuccess)
{
Server.Logger.Debug("SecurityTcpClient校验失败：" + incomeClient.ErrorMessage);
await iClient.GetStream().WriteAsync(new byte[] { (byte)result.ResultState });
iClient.Close();//如果校验失败则发送一个字节的直接关闭连接
}
else
{
Server.Logger.Debug("SecurityTcpClient校验成功！");
await iClient.GetStream().WriteAsync(new byte[] { (byte)result.ResultState });
}
//读取头四个字节
byte[] bytes = new byte[4];
if (await iClient.GetStream().ReadAsync(bytes, 0, bytes.Length, Global.DefaultConnectTimeout) < 1)
{
Server.Logger.Debug("服务端read出错，关闭连接");
incomeClient.Client.Close();
return;
}
var clientIdAppId = GetAppFromBytes(bytes);
Server.Logger.Debug("已获取到消息ClientID:" + clientIdAppId.ClientID
+ "AppID:" + clientIdAppId.AppID
);
//分配
lock (_lockObject)
{
ServerContext.Clients[clientIdAppId.ClientID].GetApp(clientIdAppId.AppID)
.PushInComeClient(iClient);
}
//var arg = new AppChangedEventArgs();
//arg.App = clientIdAppId;
//AppTcpClientMapReverseConnected(this, arg);
}
catch (Exception e)
{
Logger.Debug(e);
}
}
public async Task ListenServiceClient(IDbOperator dbOp)
{
//侦听，并且构造连接池
Server.Logger.Debug("Listening client on port " + ServerContext.ServerConfig.ReversePort + "...");
TcpListener listener = new TcpListener(IPAddress.Any, ServerContext.ServerConfig.ReversePort);
listener.Start(1000);
while (true)
{
SecurityTcpClient incomeClient = await listener.AcceptSecureTcpClientAsync(dbOp);
Server.Logger.Debug("已建立一个空连接" +
incomeClient.Client.Client.LocalEndPoint.ToString() + "-" +
incomeClient.Client.Client.RemoteEndPoint.ToString());
incomeClient.Client.SetKeepAlive(out _);
_ = ProcessReverseRequest(incomeClient);
}
}
