public void Clear()
{
try
{
foreach (HttpChannel channel in _channels)
{
channel.Close();
}
}
catch (Exception ex)
{
ServerInfo.WriteErrorLog("HttpChannelColleciont Clear() 出现异常: " + ExceptionUtil.GetExceptionText(ex));
}
finally
{
_channels.Clear();
}
}
public async void Listen()
{
this.Listener = new TcpListener(IPAddress.Any, this.Port);
this.Listener.Start(); // TODO: 要捕获异常
Console.WriteLine("成功监听于 " + this.Port.ToString());
while (this.IsActive)
{
try
{
TcpClient tcpClient = await this.Listener.AcceptTcpClientAsync();
// string ip = ((IPEndPoint)s.Client.RemoteEndPoint).Address.ToString();
string ip = GetClientIP(tcpClient);
ServerInfo.WriteErrorLog("*** ip [" + ip + "] request");
#if NO
Thread thread = new Thread(() =>
{
// this.Processor.TestHandleClient(s);
TestHandleClient(tcpClient, ServerInfo._cancel.Token);
});
thread.Start();
#endif
Task.Run(() => TestHandleClient(tcpClient, ServerInfo._cancel.Token));
// TestHandleClient(tcpClient, ServerInfo._cancel.Token);
}
catch (Exception ex)
{
if (this.IsActive == false)
{
break;
}
ServerInfo.WriteErrorLog("Listen() 出现异常: " + ExceptionUtil.GetExceptionMessage(ex));
}
Thread.Sleep(1);
}
}
public async void TestHandleClient(TcpClient tcpClient,
CancellationToken token)
{
HttpChannel channel = ServerInfo._httpChannels.Add(tcpClient);
try
{
List <byte> cache = new List <byte>();
string ip = "";
Stream inputStream = tcpClient.GetStream();
Stream outputStream = tcpClient.GetStream();
try
{
ip = GetClientIP(tcpClient);
channel.Touch();
int i = 0;
bool running = true;
while (running)
{
HttpRequest request = await HttpProcessor.GetIncomingRequest(inputStream,
cache,
(headers) =>
{
#if NO
StringBuilder text = new StringBuilder();
text.Append(string.Join("\r\n", headers.Select(x => string.Format("{0}: {1}", x.Key, x.Value))));
Console.WriteLine("=== headers ===\r\n" + text.ToString());
#endif
if (headers.ContainsKey("User-Agent") == false)
{
return(false);
}
if (headers["User-Agent"] != "dp2LibraryClient")
{
throw new InvalidRequestException("请求不是来自 dp2LibraryClient");
}
return(true);
},
token);
if (request == null)
{
Console.WriteLine("client close on request " + i);
break;
}
Console.WriteLine("request " + i);
TimeSpan timeout = GetTimeout(request);
if (timeout != TimeSpan.MinValue)
{
channel.Touch(timeout);
}
else
{
channel.Touch();
}
// 添加头字段 _dp2router_clientip
request.Headers.Add("_dp2router_clientip", ip);
// Console.WriteLine("=== request ===\r\n" + request.Dump());
// ServerInfo.WriteErrorLog("=== request ===\r\n" + request.Dump());
HttpResponse response = await ServerInfo.WebCall(request, "content", timeout); // content text.utf-7
channel.Touch();
// string content = response.GetContentString();
// Console.WriteLine("=== response ===\r\n" + response.Dump());
await HttpProcessor.WriteResponseAsync(outputStream, response, token);
channel.Touch();
// Console.WriteLine("http version = '"+request.Version+"'");
if (request.Headers.ContainsKey("Connection"))
{
string strValue = request.Headers["Connection"];
if (strValue == "Keep-Alive")
{
running = true;
}
else
{
running = false;
}
}
else
{
if (StringUtil.CompareVersion(request.Version, "1.1") >= 0)
{
running = true; // HTTP 1.1 默认就是 Connection Keep-Alive。即便没有 Connection 头字段，也是 Keep-Alive 状态
}
else
{
running = false;
}
}
i++;
}
}
catch (InvalidRequestException ex)
{
// 2016/11/20
ServerInfo.WriteErrorLog("ip:" + ip + " : " + ex.Message);
}
catch (Exception ex)
{
// 2016/11/14
ServerInfo.WriteErrorLog("ip:" + ip + " TestHandleClient() 异常: " + ExceptionUtil.GetExceptionText(ex));
}
finally
{
outputStream.Flush();
outputStream.Close();
outputStream = null;
inputStream.Close();
inputStream = null;
}
}
finally
{
ServerInfo._httpChannels.Remove(channel);
}
}
static void UnhandledExceptionTrapper(object sender, UnhandledExceptionEventArgs e)
{
ServerInfo.WriteErrorLog("全局异常: e.IsTerminating(" + e.IsTerminating + ")\r\n" + ExceptionUtil.GetExceptionText(e.ExceptionObject as Exception));
}
