static void Main(string[] args)
{
// Example of registering and invoking a service.
IServerContext context = new ServerContext();
context.RegisterService("hello", Hello);
context.InvokeService(new BaseMsg { Type = "hello" });
SimpleServer server = new SimpleServer();
server.Listen();
int x;
char ch;
Console.WriteLine("Press 's' to send, 'q' to quit.");
do
{
x = Console.Read();
ch = Convert.ToChar(x);
if (ch == 's')
{
server.Send("HellowWorld");
}
} while (ch != 'q');
}
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
_context = new ServerContext();
_startController = new StartController(_context);
_startController.Activate();
app.UseDefaultFiles();
app.UseRouting();
app.UseResponseCompression();
app.UseCors(options => options.AllowAnyOrigin());
app.Use(async(context, next) =>
{
Console.WriteLine("Client request");
if (context.Request.Path == "/request")
{
if (!context.Request.HasFormContentType)
{
context.Response.Redirect("/");
}
else
{
_context.HandlersModel.AddCommand(
_handlersFactory.HandlerFactory[context.Request.Form["Command"]](context.Request.Form,
context.Response, context.Request));
}
}
else
{
await next();
}
});
}
public void Start()
{
var Success = false;
try
{
IsRunningValue.Update
(
b =>
{
if (b)
{
throw new InvalidOperationException();
}
if (BindingsValue.Length == 0)
{
throw new Exception("NoValidBinding");
}
ListeningTaskTokenSource = new CancellationTokenSource();
var ListeningTaskToken = ListeningTaskTokenSource.Token;
Action <UdpSession> Purify = StoppingSession =>
{
SessionSets.DoAction
(
ss =>
{
if (ss.Sessions.Contains(StoppingSession))
{
ss.Sessions.Remove(StoppingSession);
var IpAddress = StoppingSession.RemoteEndPoint.Address;
var isi = ss.IpSessions[IpAddress];
if (isi.Authenticated.Contains(StoppingSession))
{
isi.Authenticated.Remove(StoppingSession);
}
isi.Count -= 1;
if (isi.Count == 0)
{
ss.IpSessions.Remove(IpAddress);
}
var SessionId = StoppingSession.SessionId;
ss.SessionIdToSession.Remove(SessionId);
}
}
);
StoppingSession.Dispose();
};
Action <AcceptingInfo> Accept = a =>
{
var ep = a.RemoteEndPoint;
UdpSession s = null;
try
{
var Buffer = a.ReadBuffer;
if (Buffer.Length < 12)
{
return;
}
var SessionId = Buffer[0] | ((Int32)(Buffer[1]) << 8) | ((Int32)(Buffer[2]) << 16) | ((Int32)(Buffer[3]) << 24);
var Flag = Buffer[4] | ((Int32)(Buffer[5]) << 8);
var Index = Buffer[6] | ((Int32)(Buffer[7]) << 8);
var Verification = Buffer[8] | ((Int32)(Buffer[9]) << 8) | ((Int32)(Buffer[10]) << 16) | ((Int32)(Buffer[11]) << 24);
Buffer[8] = 0;
Buffer[9] = 0;
Buffer[10] = 0;
Buffer[11] = 0;
if (ServerContext.EnableLogTransport)
{
//按Flag中是否包含AUX分别生成日志
if ((Flag & 8) != 0)
{
ServerContext.RaiseSessionLog(new SessionLogEntry {
Token = SessionId.ToString("X8"), RemoteEndPoint = ep, Time = DateTime.UtcNow, Type = "UdpTransport", Name = "ReceiveAux", Message = "AckIndex: " + Index.ToInvariantString() + " Length: " + Buffer.Length.ToInvariantString()
});
}
else
{
ServerContext.RaiseSessionLog(new SessionLogEntry {
Token = SessionId.ToString("X8"), RemoteEndPoint = ep, Time = DateTime.UtcNow, Type = "UdpTransport", Name = "Receive", Message = "Index: " + Index.ToInvariantString() + " Length: " + Buffer.Length.ToInvariantString()
});
}
}
//如果Flag中不包含ENC，则验证CRC32
if ((Flag & 2) == 0)
{
if (Cryptography.CRC32(Buffer) != Verification)
{
if (ServerContext.EnableLogTransport)
{
ServerContext.RaiseSessionLog(new SessionLogEntry {
Token = SessionId.ToString("X8"), RemoteEndPoint = ep, Time = DateTime.UtcNow, Type = "UdpTransport", Name = "Receive", Message = "Index: " + Index.ToInvariantString() + " CRC32Failed"
});
}
return;
}
}
//如果Flag中包含INI，则初始化
if ((Flag & 4) != 0)
{
if ((Flag & 1) != 0)
{
return;
}
if ((Flag & 2) != 0)
{
return;
}
if ((Flag & 8) != 0)
{
return;
}
var Offset = 12;
s = new UdpSession(this, a.Socket, ep, VirtualTransportServerFactory, QueueUserWorkItem);
SessionId = s.SessionId;
if (MaxConnectionsValue.HasValue && (SessionSets.Check(ss => ss.Sessions.Count) >= MaxConnectionsValue.Value))
{
PurifyConsumer.DoOne();
}
if (MaxConnectionsValue.HasValue && (SessionSets.Check(ss => ss.Sessions.Count) >= MaxConnectionsValue.Value))
{
try
{
s.Start();
OnMaxConnectionsExceeded(s);
}
finally
{
s.Dispose();
}
return;
}
if (MaxConnectionsPerIPValue.HasValue && (SessionSets.Check(ss => ss.IpSessions.ContainsKey(ep.Address) ? ss.IpSessions[ep.Address].Count : 0) >= MaxConnectionsPerIPValue.Value))
{
try
{
s.Start();
OnMaxConnectionsPerIPExceeded(s);
}
finally
{
PurifyConsumer.Push(s);
}
return;
}
if (MaxUnauthenticatedPerIPValue.HasValue && (SessionSets.Check(ss => ss.IpSessions.ContainsKey(ep.Address) ? (ss.IpSessions[ep.Address].Count - ss.IpSessions[ep.Address].Authenticated.Count) : 0) >= MaxUnauthenticatedPerIPValue.Value))
{
try
{
s.Start();
OnMaxConnectionsPerIPExceeded(s);
}
finally
{
PurifyConsumer.Push(s);
}
return;
}
SessionSets.DoAction
(
ss =>
{
ss.Sessions.Add(s);
if (ss.IpSessions.ContainsKey(ep.Address))
{
ss.IpSessions[ep.Address].Count += 1;
}
else
{
var isi = new IpSessionInfo();
isi.Count += 1;
ss.IpSessions.Add(ep.Address, isi);
}
while ((SessionId == 0) || ss.SessionIdToSession.ContainsKey(SessionId))
{
s = new UdpSession(this, a.Socket, ep, VirtualTransportServerFactory, QueueUserWorkItem);
SessionId = s.SessionId;
}
ss.SessionIdToSession.Add(SessionId, s);
}
);
s.Start();
s.PrePush(() =>
{
if (!s.Push(ep, Index, null, Buffer, Offset, Buffer.Length - Offset))
{
PurifyConsumer.Push(s);
}
});
}
else
{
var Close = false;
SessionSets.DoAction
(
ss =>
{
if (!ss.SessionIdToSession.ContainsKey(SessionId))
{
Close = true;
return;
}
s = ss.SessionIdToSession[SessionId];
}
);
if (Close)
{
return;
}
s.PrePush(() =>
{
var IsEncrypted = (Flag & 2) != 0;
var NextSecureContext = s.NextSecureContext;
var SecureContext = s.SecureContext;
if ((SecureContext == null) && (NextSecureContext != null))
{
s.SecureContext = NextSecureContext;
s.NextSecureContext = null;
SecureContext = NextSecureContext;
NextSecureContext = null;
}
if ((SecureContext != null) != IsEncrypted)
{
return;
}
if (IsEncrypted)
{
var Key = SecureContext.ClientToken.Concat(Cryptography.SHA256(Buffer.Skip(4).Take(4)));
var HMACBytes = Cryptography.HMACSHA256Simple(Key, Buffer).Take(4).ToArray();
var HMAC = HMACBytes[0] | ((Int32)(HMACBytes[1]) << 8) | ((Int32)(HMACBytes[2]) << 16) | ((Int32)(HMACBytes[3]) << 24);
if (HMAC != Verification)
{
if (ServerContext.EnableLogTransport)
{
ServerContext.RaiseSessionLog(new SessionLogEntry {
Token = SessionId.ToString("X8"), RemoteEndPoint = ep, Time = DateTime.UtcNow, Type = "UdpTransport", Name = "Receive", Message = "Index: " + Index.ToInvariantString() + " HMACFailed"
});
}
return;
}
}
var Offset = 12;
int[] Indices = null;
if ((Flag & 1) != 0)
{
if (Buffer.Length < 14)
{
return;
}
var NumIndex = Buffer[Offset] | ((Int32)(Buffer[Offset + 1]) << 8);
if (Buffer.Length < 14 + NumIndex * 2)
{
return;
}
if (NumIndex > UdpSession.WritingWindowSize) //若Index数量较大，则丢弃包
{
return;
}
Offset += 2;
Indices = new int[NumIndex];
for (int k = 0; k < NumIndex; k += 1)
{
Indices[k] = Buffer[Offset + k * 2] | ((Int32)(Buffer[Offset + k * 2 + 1]) << 8);
}
Offset += NumIndex * 2;
}
//如果Flag中包含AUX，则判断
if ((Flag & 8) != 0)
{
if (Indices == null)
{
return;
}
if (Indices.Length < 1)
{
return;
}
if (Index != Indices[0])
{
return;
}
if (Offset != Buffer.Length)
{
return;
}
}
var PreviousRemoteEndPoint = s.RemoteEndPoint;
if (!PreviousRemoteEndPoint.Equals(ep))
{
SessionSets.DoAction
(
ss =>
{
var Authenticated = false;
{
var PreviousIpAddress = PreviousRemoteEndPoint.Address;
var isi = ss.IpSessions[PreviousIpAddress];
if (isi.Authenticated.Contains(s))
{
isi.Authenticated.Remove(s);
Authenticated = true;
}
isi.Count -= 1;
if (isi.Count == 0)
{
ss.IpSessions.Remove(PreviousIpAddress);
}
}
{
IpSessionInfo isi;
if (ss.IpSessions.ContainsKey(ep.Address))
{
isi = ss.IpSessions[ep.Address];
isi.Count += 1;
}
else
{
isi = new IpSessionInfo();
isi.Count += 1;
ss.IpSessions.Add(ep.Address, isi);
}
if (Authenticated)
{
isi.Authenticated.Add(s);
}
}
s.RemoteEndPoint = ep;
}
);
}
if ((Flag & 8) != 0)
{
if (!s.PushAux(ep, Indices))
{
PurifyConsumer.Push(s);
}
}
else
{
if (!s.Push(ep, Index, Indices, Buffer, Offset, Buffer.Length - Offset))
{
PurifyConsumer.Push(s);
}
}
});
}
}
catch (Exception ex)
{
if (ServerContext.EnableLogSystem)
{
ServerContext.RaiseSessionLog(new SessionLogEntry {
Token = "", RemoteEndPoint = ep, Time = DateTime.UtcNow, Type = "Sys", Name = "Exception", Message = ExceptionInfo.GetExceptionInfo(ex)
});
}
if (s != null)
{
PurifyConsumer.Push(s);
}
}
};
AcceptConsumer = new AsyncConsumer <AcceptingInfo>(QueueUserWorkItem, a => { Accept(a); return(true); }, int.MaxValue);
var Exceptions = new List <Exception>();
var Bindings = new List <IPEndPoint>();
//将所有默认地址换为实际的所有接口地址
foreach (var Binding in BindingsValue)
{
if (IPAddress.Equals(Binding.Address, IPAddress.Any) || IPAddress.Equals(Binding.Address, IPAddress.IPv6Any))
{
foreach (var ni in NetworkInterface.GetAllNetworkInterfaces())
{
foreach (var a in ni.GetIPProperties().UnicastAddresses)
{
if (a.Address.AddressFamily == Binding.Address.AddressFamily)
{
Bindings.Add(new IPEndPoint(a.Address, Binding.Port));
}
}
}
}
else
{
Bindings.Add(Binding);
}
}
foreach (var Binding in Bindings)
{
Func <Socket> CreateSocket = () =>
{
var s = new Socket(Binding.AddressFamily, SocketType.Dgram, ProtocolType.Udp);
//在Windows下关闭SIO_UDP_CONNRESET报告，防止接受数据出错
//http://support.microsoft.com/kb/263823/en-us
if (System.Environment.OSVersion.Platform == PlatformID.Win32NT)
{
uint IOC_IN = 0x80000000;
uint IOC_VENDOR = 0x18000000;
uint SIO_UDP_CONNRESET = IOC_IN | IOC_VENDOR | 12;
s.IOControl(unchecked ((int)(SIO_UDP_CONNRESET)), new byte[] { Convert.ToByte(false) }, null);
}
return(s);
};
var Socket = CreateSocket();
try
{
Socket.Bind(Binding);
}
catch (SocketException ex)
{
Exceptions.Add(ex);
continue;
}
var BindingInfo = new BindingInfo();
BindingInfo.EndPoint = Binding;
BindingInfo.Socket = new LockedVariable <Socket>(Socket);
Func <SocketAsyncEventArgs, Boolean> Completed = args =>
{
try
{
if (ListeningTaskToken.IsCancellationRequested)
{
return(false);
}
if (args.SocketError == SocketError.Success)
{
var Count = args.BytesTransferred;
var ReadBuffer = new Byte[Count];
Array.Copy(BindingInfo.ReadBuffer, ReadBuffer, Count);
var a = new AcceptingInfo {
Socket = BindingInfo.Socket.Check(s => s), ReadBuffer = ReadBuffer, RemoteEndPoint = (IPEndPoint)(args.RemoteEndPoint)
};
AcceptConsumer.Push(a);
}
else
{
BindingInfo.Socket.Update
(
OriginalSocket =>
{
try
{
OriginalSocket.Dispose();
}
catch (Exception)
{
}
var NewSocket = CreateSocket();
NewSocket.Bind(Binding);
return(NewSocket);
}
);
}
}
finally
{
args.Dispose();
}
BindingInfo.Start();
return(true);
};
BindingInfo.ListenConsumer = new AsyncConsumer <SocketAsyncEventArgs>(QueueUserWorkItem, Completed, 1);
BindingInfo.Start = () =>
{
var EventArgs = new SocketAsyncEventArgs();
EventArgs.RemoteEndPoint = new IPEndPoint(Binding.Address.AddressFamily == AddressFamily.InterNetworkV6 ? IPAddress.IPv6Any : IPAddress.Any, 0);
EventArgs.SetBuffer(BindingInfo.ReadBuffer, 0, BindingInfo.ReadBuffer.Length);
var bs = BindingInfo.Socket.Check(s => s);
EventArgs.Completed += (o, args) => BindingInfo.ListenConsumer.Push(args);
try
{
if (!bs.ReceiveFromAsync(EventArgs))
{
BindingInfo.ListenConsumer.Push(EventArgs);
}
}
catch (ObjectDisposedException)
{
}
};
BindingInfos.Add(BindingInfo);
}
if (BindingInfos.Count == 0)
{
throw new AggregateException(Exceptions);
}
PurifyConsumer = new AsyncConsumer <UdpSession>(PurifierQueueUserWorkItem, s => { Purify(s); return(true); }, int.MaxValue);
if (UnauthenticatedSessionIdleTimeoutValue.HasValue || SessionIdleTimeoutValue.HasValue)
{
var TimePeriod = TimeSpan.FromSeconds(Math.Max(TimeoutCheckPeriodValue, 1));
LastActiveTimeCheckTimer = new Timer(state =>
{
if (UnauthenticatedSessionIdleTimeoutValue.HasValue)
{
var CheckTime = DateTime.UtcNow.AddIntSeconds(-UnauthenticatedSessionIdleTimeoutValue.Value);
SessionSets.DoAction
(
ss =>
{
foreach (var s in ss.Sessions)
{
var IpAddress = s.RemoteEndPoint.Address;
var isi = ss.IpSessions[IpAddress];
if (!isi.Authenticated.Contains(s))
{
if (s.LastActiveTime < CheckTime)
{
PurifyConsumer.Push(s);
}
}
}
}
);
}
if (SessionIdleTimeoutValue.HasValue)
{
var CheckTime = DateTime.UtcNow.AddIntSeconds(-SessionIdleTimeoutValue.Value);
SessionSets.DoAction
(
ss =>
{
foreach (var s in ss.Sessions)
{
var IpAddress = s.RemoteEndPoint.Address;
var isi = ss.IpSessions[IpAddress];
if (isi.Authenticated.Contains(s))
{
if (s.LastActiveTime < CheckTime)
{
PurifyConsumer.Push(s);
}
}
}
}
);
}
}, null, TimePeriod, TimePeriod);
}
foreach (var BindingInfo in BindingInfos)
{
BindingInfo.Start();
}
Success = true;
return(true);
}
);
}
finally
{
if (!Success)
{
Stop();
}
}
}
public void Start()
{
var Success = false;
try
{
IsRunningValue.Update
(
b =>
{
if (b)
{
throw new InvalidOperationException();
}
if (BindingsValue.Length == 0)
{
throw new Exception("NoValidBinding");
}
ListeningTaskTokenSource = new CancellationTokenSource();
var ListeningTaskToken = ListeningTaskTokenSource.Token;
foreach (var Binding in BindingsValue)
{
Listener.Prefixes.Add(Binding);
}
if (SessionIdleTimeoutValue.HasValue)
{
SetTimer(Listener, SessionIdleTimeoutValue.Value);
}
Action <HttpListenerContext> PurifyContext = ListenerContext =>
{
try
{
ListenerContext.Response.Close();
}
catch
{
}
};
Action <HttpListenerContext> Accept = a =>
{
IPEndPoint e = null;
try
{
e = (IPEndPoint)a.Request.RemoteEndPoint;
var XForwardedFor = a.Request.Headers["X-Forwarded-For"];
var Address = e.Address;
if (XForwardedFor != null)
{
try
{
Address = IPAddress.Parse(XForwardedFor.Split(',')[0].Trim(' '));
}
catch
{
}
}
var XForwardedPort = a.Request.Headers["X-Forwarded-Port"];
var Port = e.Port;
if (XForwardedPort != null)
{
try
{
Port = int.Parse(XForwardedPort.Split(',')[0].Trim(' '));
}
catch
{
}
}
e = new IPEndPoint(Address, Port);
if (ServerContext.EnableLogSystem)
{
ServerContext.RaiseSessionLog(new SessionLogEntry {
Token = "", RemoteEndPoint = e, Time = DateTime.UtcNow, Type = "Sys", Name = "RequestIn", Message = ""
});
}
if (a.Request.ContentLength64 < 0)
{
a.Response.StatusCode = 411;
NotifyListenerContextQuit(a);
return;
}
if (a.Request.ContentLength64 > ReadBufferSize)
{
a.Response.StatusCode = 413;
NotifyListenerContextQuit(a);
return;
}
var oRelativePath = MatchBindingNameAndGetRelativePath(a.Request.Url);
if (oRelativePath.OnNone)
{
a.Response.StatusCode = 404;
NotifyListenerContextQuit(a);
return;
}
var RelativePath = oRelativePath.Value;
var Headers = a.Request.Headers.AllKeys.ToDictionary(k => k, k => a.Request.Headers[k]);
if (Headers.ContainsKey("Accept-Charset"))
{
var AcceptCharsetParts = Headers["Accept-Charset"].Split(';');
if (AcceptCharsetParts.Length == 0)
{
a.Response.StatusCode = 400;
NotifyListenerContextQuit(a);
return;
}
var EncodingNames = AcceptCharsetParts[0].Split(',').Select(n => n.Trim(' ')).ToArray();
if (!(EncodingNames.Contains("utf-8", StringComparer.OrdinalIgnoreCase) || EncodingNames.Contains("*", StringComparer.OrdinalIgnoreCase)))
{
a.Response.StatusCode = 400;
NotifyListenerContextQuit(a);
return;
}
}
if (RequestHandler != null)
{
RequestHandler(RelativePath, a, e, () => NotifyListenerContextQuit(a), ex =>
{
if (ServerContext.EnableLogSystem)
{
ServerContext.RaiseSessionLog(new SessionLogEntry {
Token = "", RemoteEndPoint = e, Time = DateTime.UtcNow, Type = "Sys", Name = "Exception", Message = ExceptionInfo.GetExceptionInfo(ex)
});
}
NotifyListenerContextQuit(a);
});
}
else
{
NotifyListenerContextQuit(a);
}
}
catch (Exception ex)
{
if (ServerContext.EnableLogSystem)
{
ServerContext.RaiseSessionLog(new SessionLogEntry {
Token = "", RemoteEndPoint = e ?? new IPEndPoint(IPAddress.Any, 0), Time = DateTime.UtcNow, Type = "Sys", Name = "Exception", Message = ExceptionInfo.GetExceptionInfo(ex)
});
}
try
{
a.Response.StatusCode = 500;
}
catch
{
}
NotifyListenerContextQuit(a);
}
};
AcceptConsumer = new AsyncConsumer <HttpListenerContext>(QueueUserWorkItem, a => { Accept(a); return(true); }, int.MaxValue);
ContextPurifyConsumer = new AsyncConsumer <HttpListenerContext>(QueueUserWorkItem, l => { PurifyContext(l); return(true); }, int.MaxValue);
try
{
Listener.Start();
}
catch (HttpListenerException ex)
{
String Message;
if (ex.ErrorCode == 5)
{
var l = new List <String>();
l.Add("Under Windows, try run the following as administrator:");
var UserDomainName = Environment.UserDomainName;
var UserName = Environment.UserName;
foreach (var p in BindingsValue)
{
l.Add(@"netsh http add urlacl url={0} user={1}\{2}".Formats(p, UserDomainName, UserName));
}
l.Add("and delete it when you don't need it:");
foreach (var p in BindingsValue)
{
l.Add(@"netsh http delete urlacl url={0}".Formats(p));
}
Message = String.Join("\r\n", l.ToArray());
}
else
{
Message = ExceptionInfo.GetExceptionInfo(ex);
}
throw new AggregateException(Message, ex);
}
Action Listen = () =>
{
if (ListeningTaskToken.IsCancellationRequested)
{
return;
}
var l = Listener;
var lc = ListenConsumer;
l.BeginGetContext(ar =>
{
if (!l.IsListening)
{
return;
}
try
{
var a = l.EndGetContext(ar);
AcceptConsumer.Push(a);
}
catch (HttpListenerException)
{
}
lc.Push(0);
}, null);
};
ListenConsumer = new AsyncConsumer <int>(QueueUserWorkItem, i => { Listen(); return(true); }, 1);
Listen();
Success = true;
return(true);
}
);
}
finally
{
if (!Success)
{
Stop();
}
}
}
public void Start()
{
var Success = false;
try
{
IsRunningValue.Update
(
b =>
{
if (b)
{
throw new InvalidOperationException();
}
if (BindingsValue.Length == 0)
{
throw new Exception("NoValidBinding");
}
ListeningTaskTokenSource = new CancellationTokenSource();
var ListeningTaskToken = ListeningTaskTokenSource.Token;
foreach (var Binding in BindingsValue)
{
Listener.Prefixes.Add(Binding);
}
if (UnauthenticatedSessionIdleTimeoutValue.HasValue)
{
SetTimer(Listener, UnauthenticatedSessionIdleTimeoutValue.Value);
}
Action <HttpListenerContext> PurifyContext = ListenerContext =>
{
try
{
ListenerContext.Response.Close();
}
catch
{
}
};
Action <HttpSession> Purify = StoppingSession =>
{
SessionSets.DoAction
(
ss =>
{
if (ss.Sessions.Contains(StoppingSession))
{
ss.Sessions.Remove(StoppingSession);
var IpAddress = StoppingSession.RemoteEndPoint.Address;
var isi = ss.IpSessions[IpAddress];
if (isi.Authenticated.Contains(StoppingSession))
{
isi.Authenticated.Remove(StoppingSession);
}
isi.Count -= 1;
if (isi.Count == 0)
{
ss.IpSessions.Remove(IpAddress);
}
var SessionId = ss.SessionToId[StoppingSession];
ss.SessionIdToSession.Remove(SessionId);
ss.SessionToId.Remove(StoppingSession);
}
}
);
StoppingSession.Dispose();
};
Action <HttpListenerContext> Accept = a =>
{
IPEndPoint e = null;
try
{
e = (IPEndPoint)a.Request.RemoteEndPoint;
var XForwardedFor = a.Request.Headers["X-Forwarded-For"];
var Address = e.Address;
if ((XForwardedFor != null) && (XForwardedFor != ""))
{
try
{
IPAddress addr;
if (IPAddress.TryParse(XForwardedFor.Split(',')[0].Trim(' '), out addr))
{
Address = addr;
}
}
catch
{
}
}
var XForwardedPort = a.Request.Headers["X-Forwarded-Port"];
var Port = e.Port;
if ((XForwardedPort != null) && (XForwardedPort != ""))
{
try
{
int p;
if (int.TryParse(XForwardedPort.Split(',')[0].Trim(' '), out p))
{
Port = p;
}
}
catch
{
}
}
e = new IPEndPoint(Address, Port);
if (ServerContext.EnableLogSystem)
{
ServerContext.RaiseSessionLog(new SessionLogEntry {
Token = "", RemoteEndPoint = e, Time = DateTime.UtcNow, Type = "Sys", Name = "RequestIn", Message = ""
});
}
if (a.Request.ContentLength64 < 0)
{
a.Response.StatusCode = 411;
NotifyListenerContextQuit(a);
return;
}
if (a.Request.ContentLength64 > ReadBufferSize)
{
a.Response.StatusCode = 413;
NotifyListenerContextQuit(a);
return;
}
if (!IsMatchBindingName(a.Request.Url))
{
a.Response.StatusCode = 404;
NotifyListenerContextQuit(a);
return;
}
var Headers = a.Request.Headers.AllKeys.ToDictionary(k => k, k => a.Request.Headers[k]);
if (Headers.ContainsKey("Range"))
{
a.Response.StatusCode = 400;
NotifyListenerContextQuit(a);
return;
}
if (Headers.ContainsKey("Accept-Charset"))
{
var AcceptCharsetParts = Headers["Accept-Charset"].Split(';');
if (AcceptCharsetParts.Length == 0)
{
a.Response.StatusCode = 400;
NotifyListenerContextQuit(a);
return;
}
var EncodingNames = AcceptCharsetParts[0].Split(',').Select(n => n.Trim(' ')).ToArray();
if (!(EncodingNames.Contains("utf-8", StringComparer.OrdinalIgnoreCase) || EncodingNames.Contains("*", StringComparer.OrdinalIgnoreCase)))
{
a.Response.StatusCode = 400;
NotifyListenerContextQuit(a);
return;
}
}
{
var Query = HttpListenerRequestExtension.GetQuery(a.Request);
if (Query.ContainsKey("sessionid"))
{
HttpSession s = null;
var SessionId = Query["sessionid"];
var Close = false;
SessionSets.DoAction
(
ss =>
{
if (!ss.SessionIdToSession.ContainsKey(SessionId))
{
a.Response.StatusCode = 403;
Close = true;
return;
}
var CurrentSession = ss.SessionIdToSession[SessionId];
if (!CurrentSession.RemoteEndPoint.Address.Equals(e.Address))
{
a.Response.StatusCode = 403;
Close = true;
return;
}
s = ss.SessionIdToSession[SessionId];
}
);
if (Close)
{
NotifyListenerContextQuit(a);
return;
}
var NewSessionId = Convert.ToBase64String(Cryptography.CreateRandom(64));
SessionSets.DoAction
(
ss =>
{
ss.SessionIdToSession.Remove(SessionId);
ss.SessionIdToSession.Add(NewSessionId, s);
ss.SessionToId[s] = NewSessionId;
}
);
if (!s.Push(a, NewSessionId))
{
NotifyListenerContextQuit(a);
return;
}
return;
}
}
if (MaxConnectionsValue.HasValue && (SessionSets.Check(ss => ss.Sessions.Count) >= MaxConnectionsValue.Value))
{
ContextPurifyConsumer.DoOne();
PurifyConsumer.DoOne();
}
if (MaxConnectionsValue.HasValue && (SessionSets.Check(ss => ss.Sessions.Count) >= MaxConnectionsValue.Value))
{
a.Response.StatusCode = 503;
NotifyListenerContextQuit(a);
return;
}
if (MaxConnectionsPerIPValue.HasValue && (SessionSets.Check(ss => ss.IpSessions.ContainsKey(e.Address) ? ss.IpSessions[e.Address].Count : 0) >= MaxConnectionsPerIPValue.Value))
{
a.Response.StatusCode = 503;
NotifyListenerContextQuit(a);
return;
}
if (MaxUnauthenticatedPerIPValue.HasValue && (SessionSets.Check(ss => ss.IpSessions.ContainsKey(e.Address) ? (ss.IpSessions[e.Address].Count - ss.IpSessions[e.Address].Authenticated.Count) : 0) >= MaxUnauthenticatedPerIPValue.Value))
{
a.Response.StatusCode = 503;
NotifyListenerContextQuit(a);
return;
}
{
var s = new HttpSession(this, e, VirtualTransportServerFactory, QueueUserWorkItem);
var SessionId = Convert.ToBase64String(Cryptography.CreateRandom(64));
SessionSets.DoAction
(
ss =>
{
ss.Sessions.Add(s);
if (ss.IpSessions.ContainsKey(e.Address))
{
ss.IpSessions[e.Address].Count += 1;
}
else
{
var isi = new IpSessionInfo();
isi.Count += 1;
ss.IpSessions.Add(e.Address, isi);
}
ss.SessionIdToSession.Add(SessionId, s);
ss.SessionToId.Add(s, SessionId);
}
);
s.Start();
if (!s.Push(a, SessionId))
{
NotifyListenerContextQuit(a);
return;
}
}
}
catch (Exception ex)
{
if (ServerContext.EnableLogSystem)
{
ServerContext.RaiseSessionLog(new SessionLogEntry {
Token = "", RemoteEndPoint = e ?? new IPEndPoint(IPAddress.Any, 0), Time = DateTime.UtcNow, Type = "Sys", Name = "Exception", Message = ExceptionInfo.GetExceptionInfo(ex)
});
}
try
{
a.Response.StatusCode = 500;
}
catch
{
}
NotifyListenerContextQuit(a);
}
};
AcceptConsumer = new AsyncConsumer <HttpListenerContext>(QueueUserWorkItem, a => { Accept(a); return(true); }, int.MaxValue);
ContextPurifyConsumer = new AsyncConsumer <HttpListenerContext>(QueueUserWorkItem, l => { PurifyContext(l); return(true); }, int.MaxValue);
PurifyConsumer = new AsyncConsumer <HttpSession>(PurifierQueueUserWorkItem, s => { Purify(s); return(true); }, int.MaxValue);
if (UnauthenticatedSessionIdleTimeoutValue.HasValue || SessionIdleTimeoutValue.HasValue)
{
var TimePeriod = TimeSpan.FromSeconds(Math.Max(TimeoutCheckPeriodValue, 1));
LastActiveTimeCheckTimer = new Timer(state =>
{
if (UnauthenticatedSessionIdleTimeoutValue.HasValue)
{
var CheckTime = DateTime.UtcNow.AddIntSeconds(-UnauthenticatedSessionIdleTimeoutValue.Value);
SessionSets.DoAction
(
ss =>
{
foreach (var s in ss.Sessions)
{
var IpAddress = s.RemoteEndPoint.Address;
var isi = ss.IpSessions[IpAddress];
if (!isi.Authenticated.Contains(s))
{
if (s.LastActiveTime < CheckTime)
{
PurifyConsumer.Push(s);
}
}
}
}
);
}
if (SessionIdleTimeoutValue.HasValue)
{
var CheckTime = DateTime.UtcNow.AddIntSeconds(-SessionIdleTimeoutValue.Value);
SessionSets.DoAction
(
ss =>
{
foreach (var s in ss.Sessions)
{
var IpAddress = s.RemoteEndPoint.Address;
var isi = ss.IpSessions[IpAddress];
if (isi.Authenticated.Contains(s))
{
if (s.LastActiveTime < CheckTime)
{
PurifyConsumer.Push(s);
}
}
}
}
);
}
}, null, TimePeriod, TimePeriod);
}
try
{
Listener.Start();
}
catch (HttpListenerException ex)
{
String Message;
if (ex.ErrorCode == 5)
{
var l = new List <String>();
l.Add("Under Windows, try run the following as administrator:");
var UserDomainName = Environment.UserDomainName;
var UserName = Environment.UserName;
foreach (var p in BindingsValue)
{
l.Add(@"netsh http add urlacl url={0} user={1}\{2}".Formats(p, UserDomainName, UserName));
}
l.Add("and delete it when you don't need it:");
foreach (var p in BindingsValue)
{
l.Add(@"netsh http delete urlacl url={0}".Formats(p));
}
Message = String.Join("\r\n", l.ToArray());
}
else
{
Message = ExceptionInfo.GetExceptionInfo(ex);
}
throw new AggregateException(Message, ex);
}
Action Listen = () =>
{
if (ListeningTaskToken.IsCancellationRequested)
{
return;
}
var l = Listener;
var lc = ListenConsumer;
l.BeginGetContext(ar =>
{
if (!l.IsListening)
{
return;
}
try
{
var a = l.EndGetContext(ar);
AcceptConsumer.Push(a);
}
catch (HttpListenerException)
{
}
catch (ObjectDisposedException)
{
}
lc.Push(0);
}, null);
};
ListenConsumer = new AsyncConsumer <int>(QueueUserWorkItem, i => { Listen(); return(true); }, 1);
Listen();
Success = true;
return(true);
}
);
}
finally
{
if (!Success)
{
Stop();
}
}
}
private static IServer StartProtocol(Configuration c, ChatProtocolConfiguration pc, ServerContext ServerContext, TaskFactory Factory, TaskFactory PurifierFactory)
{
if (pc.OnTcp)
{
var s = pc.Tcp;
if (!(s.SerializationProtocolType == SerializationProtocolType.Binary || s.SerializationProtocolType == SerializationProtocolType.Json))
{
throw new InvalidOperationException("未知协议类型: " + s.SerializationProtocolType.ToString());
}
Func <ISessionContext, IBinaryTransformer, KeyValuePair <IServerImplementation, IStreamedVirtualTransportServer> > VirtualTransportServerFactory;
if (s.SerializationProtocolType == SerializationProtocolType.Binary)
{
VirtualTransportServerFactory = (Context, t) =>
{
var p = ServerContext.CreateServerImplementationWithBinaryAdapter(Factory, Context);
var si = p.Key;
var a = p.Value;
var bcps = new BinaryCountPacketServer(a, CommandName => true, t);
return(new KeyValuePair <IServerImplementation, IStreamedVirtualTransportServer>(si, bcps));
};
}
else if (s.SerializationProtocolType == SerializationProtocolType.Json)
{
VirtualTransportServerFactory = (Context, t) =>
{
var p = ServerContext.CreateServerImplementationWithJsonAdapter(Factory, Context);
var si = p.Key;
var a = p.Value;
var bcps = new JsonLinePacketServer(a, CommandName => true, t);
return(new KeyValuePair <IServerImplementation, IStreamedVirtualTransportServer>(si, bcps));
};
}
else
{
throw new InvalidOperationException();
}
var Server = new TcpServer(ServerContext, VirtualTransportServerFactory, a => Factory.StartNew(a), a => PurifierFactory.StartNew(a));
var Success = false;
try
{
Server.Bindings = s.Bindings.Select(b => new IPEndPoint(IPAddress.Parse(b.IpAddress), b.Port)).ToArray();
Server.SessionIdleTimeout = s.SessionIdleTimeout;
Server.UnauthenticatedSessionIdleTimeout = s.UnauthenticatedSessionIdleTimeout;
Server.MaxConnections = s.MaxConnections;
Server.MaxConnectionsPerIP = s.MaxConnectionsPerIP;
Server.MaxUnauthenticatedPerIP = s.MaxUnauthenticatedPerIP;
Server.MaxBadCommands = s.MaxBadCommands;
Server.Start();
Console.WriteLine(@"TCP/{0}服务器已启动。结点: {1}".Formats(s.SerializationProtocolType.ToString(), String.Join(", ", Server.Bindings.Select(b => b.ToString() + "(TCP)"))));
Success = true;
}
finally
{
if (!Success)
{
Server.Dispose();
}
}
return(Server);
}
else if (pc.OnUdp)
{
var s = pc.Udp;
if (!(s.SerializationProtocolType == SerializationProtocolType.Binary || s.SerializationProtocolType == SerializationProtocolType.Json))
{
throw new InvalidOperationException("未知协议类型: " + s.SerializationProtocolType.ToString());
}
Func <ISessionContext, IBinaryTransformer, KeyValuePair <IServerImplementation, IStreamedVirtualTransportServer> > VirtualTransportServerFactory;
if (s.SerializationProtocolType == SerializationProtocolType.Binary)
{
VirtualTransportServerFactory = (Context, t) =>
{
var p = ServerContext.CreateServerImplementationWithBinaryAdapter(Factory, Context);
var si = p.Key;
var a = p.Value;
var bcps = new BinaryCountPacketServer(a, CommandName => true, t);
return(new KeyValuePair <IServerImplementation, IStreamedVirtualTransportServer>(si, bcps));
};
}
else if (s.SerializationProtocolType == SerializationProtocolType.Json)
{
VirtualTransportServerFactory = (Context, t) =>
{
var p = ServerContext.CreateServerImplementationWithJsonAdapter(Factory, Context);
var si = p.Key;
var a = p.Value;
var bcps = new JsonLinePacketServer(a, CommandName => true, t);
return(new KeyValuePair <IServerImplementation, IStreamedVirtualTransportServer>(si, bcps));
};
}
else
{
throw new InvalidOperationException();
}
var Server = new UdpServer(ServerContext, VirtualTransportServerFactory, a => Factory.StartNew(a), a => PurifierFactory.StartNew(a));
var Success = false;
try
{
Server.Bindings = s.Bindings.Select(b => new IPEndPoint(IPAddress.Parse(b.IpAddress), b.Port)).ToArray();
Server.SessionIdleTimeout = s.SessionIdleTimeout;
Server.UnauthenticatedSessionIdleTimeout = s.UnauthenticatedSessionIdleTimeout;
Server.MaxConnections = s.MaxConnections;
Server.MaxConnectionsPerIP = s.MaxConnectionsPerIP;
Server.MaxUnauthenticatedPerIP = s.MaxUnauthenticatedPerIP;
Server.MaxBadCommands = s.MaxBadCommands;
Server.TimeoutCheckPeriod = s.TimeoutCheckPeriod;
Server.Start();
Console.WriteLine(@"UDP/{0}服务器已启动。结点: {1}".Formats(s.SerializationProtocolType.ToString(), String.Join(", ", Server.Bindings.Select(b => b.ToString() + "(UDP)"))));
Success = true;
}
finally
{
if (!Success)
{
Server.Dispose();
}
}
return(Server);
}
else if (pc.OnHttp)
{
var s = pc.Http;
Func <ISessionContext, KeyValuePair <IServerImplementation, IHttpVirtualTransportServer> > VirtualTransportServerFactory = Context =>
{
var p = ServerContext.CreateServerImplementationWithJsonAdapter(Factory, Context);
var si = p.Key;
var a = p.Value;
var jhps = new JsonHttpPacketServer(a, CommandName => true);
return(new KeyValuePair <IServerImplementation, IHttpVirtualTransportServer>(si, jhps));
};
var Server = new HttpServer(ServerContext, VirtualTransportServerFactory, a => Factory.StartNew(a), a => PurifierFactory.StartNew(a));
var Success = false;
try
{
Server.Bindings = s.Bindings.Select(b => b.Prefix).ToArray();
Server.SessionIdleTimeout = s.SessionIdleTimeout;
Server.UnauthenticatedSessionIdleTimeout = s.UnauthenticatedSessionIdleTimeout;
Server.MaxConnections = s.MaxConnections;
Server.MaxConnectionsPerIP = s.MaxConnectionsPerIP;
Server.MaxUnauthenticatedPerIP = s.MaxUnauthenticatedPerIP;
Server.MaxBadCommands = s.MaxBadCommands;
Server.TimeoutCheckPeriod = s.TimeoutCheckPeriod;
Server.ServiceVirtualPath = s.ServiceVirtualPath;
Server.Start();
Console.WriteLine(@"HTTP/{0}服务器已启动。结点: {1}".Formats("Json", String.Join(", ", Server.Bindings.Select(b => b.ToString()))));
Success = true;
}
finally
{
if (!Success)
{
Server.Dispose();
}
}
return(Server);
}
else if (pc.OnHttpStatic)
{
var s = pc.HttpStatic;
var Server = new StaticHttpServer(ServerContext, a => Factory.StartNew(a), 8 * 1024);
var Success = false;
try
{
Server.Bindings = s.Bindings.Select(b => b.Prefix).ToArray();
Server.SessionIdleTimeout = Math.Min(s.SessionIdleTimeout, s.UnauthenticatedSessionIdleTimeout);
Server.MaxConnections = s.MaxConnections;
Server.MaxConnectionsPerIP = s.MaxConnectionsPerIP;
Server.MaxBadCommands = s.MaxBadCommands;
Server.MaxUnauthenticatedPerIP = s.MaxUnauthenticatedPerIP;
Server.ServiceVirtualPath = s.ServiceVirtualPath;
Server.PhysicalPath = s.PhysicalPath;
Server.Indices = s.Indices.Split(',').Select(Index => Index.Trim(' ')).Where(Index => Index != "").ToArray();
Server.Start();
Console.WriteLine(@"HTTP静态服务器已启动。结点: {0}".Formats(String.Join(", ", Server.Bindings.Select(b => b.ToString()))));
Success = true;
}
finally
{
if (!Success)
{
Server.Dispose();
}
}
return(Server);
}
else
{
throw new InvalidOperationException("未知服务器类型: " + pc._Tag.ToString());
}
}
public static void Run(Configuration c)
{
Console.WriteLine(Times.DateTimeUtcWithMillisecondsToString(DateTime.UtcNow) + @" 服务器进程启动。");
var ProcessorCount = Environment.ProcessorCount;
var WorkThreadCount = c.NumThread.OnSome ? Math.Max(1, c.NumThread.Value) : ProcessorCount;
Console.WriteLine(@"逻辑处理器数量: " + ProcessorCount.ToString());
Console.WriteLine(@"工作线程数量: {0}".Formats(WorkThreadCount));
using (var tp = new CountedThreadPool("Worker", WorkThreadCount))
using (var tpPurifier = new CountedThreadPool("Purifier", 2))
using (var tpLog = new CountedThreadPool("Log", 1))
using (var ExitEvent = new AutoResetEvent(false))
using (var Logger = new ConsoleLogger(tpLog.QueueUserWorkItem))
{
Logger.Start();
LockedVariable <ConsoleCancelEventHandler> CancelKeyPressInner = null;
CancelKeyPressInner = new LockedVariable <ConsoleCancelEventHandler>((sender, e) =>
{
CancelKeyPressInner.Update(v => { return(null); });
e.Cancel = true;
Console.WriteLine(Times.DateTimeUtcWithMillisecondsToString(DateTime.UtcNow) + @" 命令行中断退出。");
ExitEvent.Set();
});
ConsoleCancelEventHandler CancelKeyPress = (sender, e) =>
{
var f = CancelKeyPressInner.Check(v => v);
if (f == null)
{
return;
}
f(sender, e);
};
Console.CancelKeyPress += CancelKeyPress;
var ChatContexts = new List <ServerContext>();
var ServerCloses = new List <Action>();
try
{
foreach (var s in c.Servers)
{
if (s.OnChat)
{
var ss = s.Chat;
var ServerContext = new ServerContext();
ChatContexts.Add(ServerContext);
ServerContext.EnableLogNormalIn = c.EnableLogNormalIn;
ServerContext.EnableLogNormalOut = c.EnableLogNormalOut;
ServerContext.EnableLogUnknownError = c.EnableLogUnknownError;
ServerContext.EnableLogCriticalError = c.EnableLogCriticalError;
ServerContext.EnableLogPerformance = c.EnableLogPerformance;
ServerContext.EnableLogSystem = c.EnableLogSystem;
ServerContext.EnableLogTransport = c.EnableLogTransport;
ServerContext.ServerDebug = c.ServerDebug;
ServerContext.ClientDebug = c.ClientDebug;
ServerContext.Shutdown += () =>
{
Console.WriteLine(Times.DateTimeUtcWithMillisecondsToString(DateTime.UtcNow) + @" 远程命令退出。");
ExitEvent.Set();
};
if (c.EnableLogConsole)
{
ServerContext.SessionLog += Logger.Push;
}
var Protocols = new List <IServer>();
var Factory = new TaskFactory(tp);
var PurifierFactory = new TaskFactory(tp);
foreach (var p in ss.Protocols)
{
if (System.Diagnostics.Debugger.IsAttached)
{
Protocols.Add(StartProtocol(c, p, ServerContext, Factory, PurifierFactory));
}
else
{
try
{
Protocols.Add(StartProtocol(c, p, ServerContext, Factory, PurifierFactory));
}
catch (Exception ex)
{
var Message = Times.DateTimeUtcWithMillisecondsToString(DateTime.UtcNow) + "\r\n" + ExceptionInfo.GetExceptionInfo(ex);
Console.WriteLine(Message);
FileLoggerSync.WriteLog("Error.log", Message);
}
}
}
ServerCloses.Add(() =>
{
foreach (var Session in ServerContext.Sessions.AsParallel())
{
Session.SessionLock.EnterReadLock();;
try
{
if (Session.EventPump != null)
{
Session.EventPump.ServerShutdown(new Communication.ServerShutdownEvent {
});
}
}
finally
{
Session.SessionLock.ExitReadLock();
}
}
foreach (var p in Protocols)
{
if (System.Diagnostics.Debugger.IsAttached)
{
StopProtocol(p);
}
else
{
try
{
StopProtocol(p);
}
catch (Exception ex)
{
var Message = Times.DateTimeUtcWithMillisecondsToString(DateTime.UtcNow) + "\r\n" + ExceptionInfo.GetExceptionInfo(ex);
Console.WriteLine(Message);
FileLoggerSync.WriteLog("Error.log", Message);
}
}
}
if (c.EnableLogConsole)
{
ServerContext.SessionLog -= Logger.Push;
}
Console.WriteLine(@"ChatServerContext.RequestCount = {0}".Formats(ServerContext.RequestCount));
Console.WriteLine(@"ChatServerContext.ReplyCount = {0}".Formats(ServerContext.ReplyCount));
Console.WriteLine(@"ChatServerContext.EventCount = {0}".Formats(ServerContext.EventCount));
});
}
else
{
throw new InvalidOperationException("未知服务器类型: " + s._Tag.ToString());
}
}
ExitEvent.WaitOne();
Console.CancelKeyPress -= CancelKeyPress;
}
finally
{
foreach (var a in ServerCloses)
{
a();
}
}
}
Console.WriteLine(Times.DateTimeUtcWithMillisecondsToString(DateTime.UtcNow) + @" 服务器进程退出完成。");
}