// Initializes the server by preallocating reusable buffers and
// context objects. These objects do not need to be preallocated
// or reused, but it is done this way to illustrate how the API can
// easily be used to create reusable objects to increase server performance.
//
public void Init(Action <SocketAsyncEventArgs> onReceive = null)
{
// Allocates one large byte buffer which all I/O operations use a piece of. This gaurds
// against memory fragmentation
m_bufferManager.InitBuffer();
// preallocate pool of SocketAsyncEventArgs objects
SocketAsyncEventArgs readWriteEventArg;
for (int i = 0; i < m_numConnections; i++)
{
//Pre-allocate a set of reusable SocketAsyncEventArgs
readWriteEventArg = new SocketAsyncEventArgs();
readWriteEventArg.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
readWriteEventArg.UserToken = new AsyncUserToken();
// assign a byte buffer from the buffer pool to the SocketAsyncEventArg object
m_bufferManager.SetBuffer(readWriteEventArg);
// add SocketAsyncEventArg to the pool
m_readWritePool.Push(readWriteEventArg);
}
m_receiveCallback = onReceive;
}
public override void Clear()
{
base.Clear();
lock (_lockSessionContainer)
{
foreach (var session in _authedClientSessions.Values)
{
if (_receiveEventAragePool != null)
{
_receiveEventAragePool.Push(session.ReceiveEventArgs);
}
if (_sendEventAragePool != null)
{
_sendEventAragePool.Push(session.SendEventArgs);
}
}
_authedClientSessions.Clear();
_reconnectClientSessions.Clear();
_expiredClientSessions.Clear();
}
_logger.Info(string.Format("[Clear] _receiveEventAragePool: {0}, _sendEventAragePool: {1}", _receiveEventAragePool.Count, _sendEventAragePool.Count));
}
/// <summary>
/// 初始化服务器通过预先分配的可重复使用的缓冲区和上下文对象。这些对象不需要预先分配或重用，但这样做是为了说明API如何可以易于用于创建可重用对象以提高服务器性能。
/// </summary>
private void Init()
{
connectClient = new ConcurrentDictionary <int, ConnectClient>();
clientList = new ConcurrentDictionary <int, string>();
sendQueues = new ConcurrentQueue <SendingQueue> [sendthread];
for (int i = 0; i < sendthread; i++)
{
sendQueues[i] = new ConcurrentQueue <SendingQueue>();
}
//分配一个大字节缓冲区，所有I/O操作都使用一个。这个侍卫对内存碎片
m_bufferManager.InitBuffer();
//预分配的接受对象池socketasynceventargs，并分配缓存
SocketAsyncEventArgs saea_receive;
//分配的发送对象池socketasynceventargs，但是不分配缓存
SocketAsyncEventArgs saea_send;
for (int i = 0; i < m_numConnections; i++)
{
//预先接受端分配一组可重用的消息
saea_receive = new SocketAsyncEventArgs();
saea_receive.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
//分配缓冲池中的字节缓冲区的socketasynceventarg对象
m_bufferManager.SetBuffer(saea_receive);
m_receivePool.Push(saea_receive);
//预先发送端分配一组可重用的消息
saea_send = new SocketAsyncEventArgs();
saea_send.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
m_sendPool.Push(saea_send);
}
}
/// <summary>
/// 异步发送消息
/// </summary>
/// <param name="sendQuere">发送消息体</param>
private void Send(SendingQueue sendQuere)
{
try
{
mutex.WaitOne();
if (m_sendPool.Count == 0)
{
SocketAsyncEventArgs saea_send = new SocketAsyncEventArgs();
saea_send.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
m_sendPool.Push(saea_send);
}
SocketAsyncEventArgs socketArgs = m_sendPool.Pop();
mutex.ReleaseMutex();
socketArgs.RemoteEndPoint = sendQuere.remoteEndPoint;
socketArgs.SetBuffer(sendQuere.data, sendQuere.offset, sendQuere.length);
if (listenSocket?.SendToAsync(socketArgs) == false)
{
ProcessSend(socketArgs);
}
}
catch (Exception)
{
// ignored
}
}
/// <summary>
/// Releases the SocketAsyncEventArgs back to the pool,
/// and free's up another slot for a new client to connect
/// </summary>
/// <param name="Stream"></param>
protected void Release(SocketAsyncEventArgs e)
{
// Get our ReadWrite AsyncEvent object back
SocketReadWritePool.Push(e);
// Now that we have another set of AsyncEventArgs, we can
// release this users Semephore lock, allowing another connection
MaxConnectionsEnforcer.Release();
}
/// <summary>
/// 用预分配的可重用缓冲区和上下文对象初始化服务器.
/// </summary>
public void Init()
{
// 为所有的I/O操作分配一个大的字节缓冲区.目的是防止内存碎片的产生
m_bufferManager.InitBuffer();
// 可重用的SocketAsyncEventArgs,用于重复接受客户端使用
SocketAsyncEventArgs readWriteEventArg;
AsyncUserToken token;
// 预分配一个 SocketAsyncEventArgs 对象池
// 预分配SocketAsyncEventArgs读对象池
for (int i = 0; i < m_numConnections; i++)
{
// 预分配一个 可重用的SocketAsyncEventArgs 对象
//readWriteEventArg = new SocketAsyncEventArgs();
// 创建token时同时创建了一个和token关联的用于读数据的SocketAsyncEventArgs对象,
// 并且创建的SocketAsyncEventArgs对象的UserToken属性值为该token
token = new AsyncUserToken();
//token.ReadEventArgs = readWriteEventArg;
//readWriteEventArg.Completed += new EventHandler<SocketAsyncEventArgs>(IO_Completed);
// 注册一个SocketAsyncEventArgs完成事件
token.ReadEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
//readWriteEventArg.UserToken = new AsyncUserToken();
// 从缓冲区池中分配一个字节缓冲区给 SocketAsyncEventArg 对象
//m_bufferManager.SetBuffer(readWriteEventArg);
m_bufferManager.SetBuffer(token.ReadEventArgs);
//((AsyncUserToken)readWriteEventArg.UserToken).SetReceivedBytes(readWriteEventArg.Buffer, readWriteEventArg.Offset, 0);
//设定接收缓冲区及偏移量
token.SetBuffer(token.ReadEventArgs.Buffer, token.ReadEventArgs.Offset, token.ReadEventArgs.Count);
// 添加一个 SocketAsyncEventArg 到池中
//m_readPool.Push(readWriteEventArg);
m_readPool.Push(token.ReadEventArgs);
}
// 预分配SocketAsyncEventArgs写对象池
for (int i = 0; i < m_numConnections; i++)
{
// 预分配一个 可重用的SocketAsyncEventArgs 对象
readWriteEventArg = new SocketAsyncEventArgs();
readWriteEventArg.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
readWriteEventArg.UserToken = null;
// 从缓冲区池中分配一个字节缓冲区给 SocketAsyncEventArg 对象
m_bufferManager.SetBuffer(readWriteEventArg);
//readWriteEventArg.SetBuffer(null, 0, 0);
// 添加一个 SocketAsyncEventArg 到池中
m_writePool.Push(readWriteEventArg);
}
}
/// <summary>
/// Releases the Stream's SocketAsyncEventArgs back to the pool,
/// and free's up another slot for a new client to connect
/// </summary>
/// <param name="Stream">The GamespyTcpStream object that is being released.</param>
public void Release(GamespyTcpStream Stream)
{
// If the stream has been released, then we stop here
if (!IsListening || Stream.Released)
{
return;
}
// Make sure the connection is closed properly
if (!Stream.SocketClosed)
{
Stream.Close();
return;
}
// To prevent cross instance releasing
if (!Object.ReferenceEquals(this, Stream.SocketManager))
{
throw new ArgumentException("Cannot pass a GamespyTcpStream belonging to a different TcpSocket than this one.");
}
// If we are still registered for this event, then the EventArgs should
// NEVER be disposed here, or we have an error to fix
if (Stream.DisposedEventArgs)
{
// Log this error
Program.ErrorLog.Write("WARNING: [GamespyTcpSocket.Release] Event Args were disposed imporperly!");
// Dispose old buffer tokens
BufferManager.ReleaseBuffer(Stream.ReadEventArgs);
BufferManager.ReleaseBuffer(Stream.WriteEventArgs);
// Create new Read Event Args
SocketAsyncEventArgs SockArgR = new SocketAsyncEventArgs();
BufferManager.AssignBuffer(SockArgR);
SocketReadWritePool.Push(SockArgR);
// Create new Write Event Args
SocketAsyncEventArgs SockArgW = new SocketAsyncEventArgs();
BufferManager.AssignBuffer(SockArgW);
SocketReadWritePool.Push(SockArgW);
}
else
{
// Set null's
Stream.ReadEventArgs.AcceptSocket = null;
Stream.WriteEventArgs.AcceptSocket = null;
// Get our ReadWrite AsyncEvent object back
SocketReadWritePool.Push(Stream.ReadEventArgs);
SocketReadWritePool.Push(Stream.WriteEventArgs);
}
// Now that we have another set of AsyncEventArgs, we can
// release this users Semephore lock, allowing another connection
MaxConnectionsEnforcer.Release();
}
public void Push__ExceedCapacity__Pushed_And_CapacityResized()
{
var pool = new SocketAsyncEventArgsPool(1);
var args = new SocketAsyncEventArgs();
pool.Push(args);
Assert.AreEqual(1, pool.Capacity);
pool.Push(args);
Assert.AreEqual(2, pool.Capacity);
}
//给缓冲池分配内存，并分配给SocketAsyncEventArg
private void Init()
{
var bufferManager = new BufferManager(_BufferSize * _MaxConnections * _OpsToPreAlloc, _BufferSize);
for (int i = 0; i < _MaxConnections; i++)
{
var socketAsyncEventArgs = new SocketAsyncEventArgs();
socketAsyncEventArgs.Completed += IO_Completed;
//将缓冲池中的字节缓冲区分配给SocketAsyncEventArg对象
bufferManager.SetBuffer(socketAsyncEventArgs);
_SocketAsyncEventArgsPool.Push(socketAsyncEventArgs);
}
}
/// <summary>
/// Creates a new UDP socket for handling Gamespy Protocol
/// </summary>
/// <param name="Port">The port this socket will be bound to</param>
/// <param name="MaxConnections">The maximum number of concurrent connections</param>
public GamespyUdpSocket(int Port, int MaxConnections)
{
// Create our Socket
this.Port = Port;
Listener = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp)
{
SendTimeout = 5000, // We have a limited pool, so we dont want to be locked often
SendBufferSize = BufferSizePerEvent,
ReceiveBufferSize = BufferSizePerEvent
};
// Bind to our port
Listener.Bind(new IPEndPoint(IPAddress.Any, Port));
// Set the rest of our internals
MaxNumConnections = MaxConnections;
MaxConnectionsEnforcer = new SemaphoreSlim(MaxNumConnections, MaxNumConnections);
SocketReadWritePool = new SocketAsyncEventArgsPool(MaxNumConnections);
// Create our Buffer Manager for IO operations.
BufferManager = new BufferManager(MaxNumConnections, BufferSizePerEvent);
// Assign our Connection IO SocketAsyncEventArgs object instances
for (int i = 0; i < MaxNumConnections; i++)
{
SocketAsyncEventArgs SockArg = new SocketAsyncEventArgs();
SockArg.Completed += IOComplete;
BufferManager.AssignBuffer(SockArg);
SocketReadWritePool.Push(SockArg);
}
// set public internals
IsRunning = true;
IsDisposed = false;
}
protected bool TCPServerStartFlag = false; /* 冗余判断服务器是否启动 */
#endregion
/// <summary>
/// 初始化服务器
/// </summary>
public void TCPServerInit()
{
_TCPServerSocketBufferManager.InitBuffer();
SocketAsyncEventArgs _SocketAsyncEventArgs;
/* 预分配SocketAsyncEventArgs对象池 */
for (int count = 0; count < _TCPServerSocketSetting.DefaultMaxConnctions; count++)
{
_SocketAsyncEventArgs = new SocketAsyncEventArgs();
_SocketAsyncEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(TCPServerOnIOCompleted);
_TCPServerSocketBufferManager.SetBuffer(_SocketAsyncEventArgs);
_TCPServerSocketAsyncEventArgsPool.Push(_SocketAsyncEventArgs);
}
}
/// <summary>建立新的 WebSocketServer 類別，並初始化相關屬性值</summary>
/// <param name="maxClients">同時可連接的最大連線數</param>
public WebSocketServer(int maxClients)
{
this.UseAsyncCallback = EventCallbackMode.BeginInvoke;
m_Mutex = new Mutex();
m_Services = new List <string>();
m_sha = SHA1CryptoServiceProvider.Create();
m_IsDisposed = false;
m_LocalEndPort = null;
m_Counters = new Dictionary <ServerCounterType, PerformanceCounter>();
m_Pool = new SocketAsyncEventArgsPool();
// 預留兩條線程，用於過多的連線數檢查
m_MaxClients = new Semaphore(maxClients + 2, maxClients + 2);
m_Clients = new ConcurrentDictionary <string, AsyncClient>();
m_WaitToClean = new ConcurrentDictionary <EndPoint, int>();
m_IsShutdown = false;
this.IsStarted = false;
for (int i = 0; i < maxClients; i++)
{
SocketAsyncEventArgs arg = new SocketAsyncEventArgs();
arg.Completed += new EventHandler <SocketAsyncEventArgs>(this.IO_Completed);
arg.DisconnectReuseSocket = true;
arg.SetBuffer(new Byte[BUFFER_SIZE], 0, BUFFER_SIZE);
m_Pool.Push(arg);
}
SetCounterDictionary();
}
public static void CloseClientSocket(SocketAsyncEventArgs Args)
{
var Token = Args.UserToken as AsyncUserToken;
if (Token.Redused)
{
return;
}
Token.Redused = true;
try
{
Sessions.Remove(GetSession(Token.Socket).Id);
}
catch { }
try
{
Token.Socket.Shutdown(SocketShutdown.Both);
}
catch (Exception) { }
Token.Socket.Close();
Interlocked.Decrement(ref ConnectedAmount);
SocketSemaphore.Release();
SocketPool.Push(Args);
}
public NetServerService(PacketHandler packetHandler, ILog logger, int maxConnection, int bufferSize, int keepAliveTime, int keepAliveInterval, bool onMonitoring)
: base(packetHandler, logger, bufferSize, keepAliveTime, keepAliveInterval, onMonitoring)
{
_listener = new Listener();
_listener.OnNewClientCallback += OnConnectedClient;
// SocketAsyncEventArgs object pool 생성
_receiveEventAragePool = new SocketAsyncEventArgsPool(maxConnection);
_sendEventAragePool = new SocketAsyncEventArgsPool(maxConnection);
// 버퍼 할당
_bufferHandler = new BufferHandler(maxConnection * bufferSize * preAllocCount, bufferSize);
_bufferHandler.InitBuffer();
// SocketAsyncEventArgs object pool 할당
SocketAsyncEventArgs args;
for (int i = 0; i < maxConnection; i++)
{
ClientSession clientSession = new ClientSession(_logger, bufferSize);
clientSession.CompletedMessageCallback += OnMessageCompleted;
// receive pool
{
args = new SocketAsyncEventArgs();
args.Completed += new EventHandler <SocketAsyncEventArgs>(OnReceiveCompleted);
args.UserToken = clientSession;
_bufferHandler.SetBuffer(args);
_receiveEventAragePool.Push(args);
}
// send pool
{
args = new SocketAsyncEventArgs();
args.Completed += new EventHandler <SocketAsyncEventArgs>(OnSendCompleted);
args.UserToken = clientSession;
_bufferHandler.SetBuffer(args);
_sendEventAragePool.Push(args);
}
}
_authedClientSessions = new Dictionary <string, ClientSession>();
_reconnectClientSessions = new List <ClientSession>();
_expiredClientSessions = new List <string>();
_removeClientSessionTick = DateTime.UtcNow.AddSeconds(10).Ticks;
_netMonitorHandler = new MonitorHandler(logger, 10);
}
public void PopPush_Disposed_Exception()
{
var pool = new SocketAsyncEventArgsPool(64);
// Populate the pool.
for (int i = 0; i < 64; i++)
{
pool.Push(new SocketAsyncEventArgs());
}
// Remove a couple of the args.
for (int i = 0; i < 32; i++)
{
pool.Pop();
}
pool.Dispose();
Assert.Throws <ObjectDisposedException>(() => pool.Push(new SocketAsyncEventArgs()));
Assert.Throws <ObjectDisposedException>(() => pool.Pop());
}
void readWriteEventArg_Completed(object sender, SocketAsyncEventArgs e)
{
switch (e.LastOperation)
{
case SocketAsyncOperation.ReceiveFrom:
ProcessReceive(e);
break;
case SocketAsyncOperation.SendTo:
socketPool.Push(e);
break;
}
}
internal void Send(SendingQueue sendQuere)
{
if (!socket.Connected)
{
return;
}
mutex.WaitOne();
if (m_sendPool.Count == 0)
{
SocketAsyncEventArgs saea_send = new SocketAsyncEventArgs();
saea_send.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
m_sendPool.Push(saea_send);
}
SocketAsyncEventArgs sendEventArgs = m_sendPool.Pop();
mutex.ReleaseMutex();
sendEventArgs.SetBuffer(sendQuere.data, sendQuere.offset, sendQuere.length);
if (!socket.SendAsync(sendEventArgs))
{
ProcessSend(sendEventArgs);
}
}
/// <summary>
/// 初始化函数
/// </summary>
public void Init()
{
// Allocates one large byte buffer which all I/O operations use a piece of. This gaurds
// against memory fragmentation
_bufferManager.InitBuffer();
// preallocate pool of SocketAsyncEventArgs objects
SocketAsyncEventArgs readWriteEventArg;
for (int i = 0; i < _maxClient; i++)
{
//Pre-allocate a set of reusable SocketAsyncEventArgs
readWriteEventArg = new SocketAsyncEventArgs();
readWriteEventArg.Completed += new EventHandler <SocketAsyncEventArgs>(OnIOCompleted);
readWriteEventArg.UserToken = null;
// assign a byte buffer from the buffer pool to the SocketAsyncEventArg object
_bufferManager.SetBuffer(readWriteEventArg);
// add SocketAsyncEventArg to the pool
_objectPool.Push(readWriteEventArg);
}
}
private void OnCloseClientSocket(CustomUserToken token)
{
token.OnRemove();
// EventArgs를 풀에 반환한다.
// 버퍼는 반환하지 않는다. 어짜피 다음에 재사용할때 물고있던 버퍼를 그대로 사용할 수 있기 때문
if (null != m_receiveEventArgsPool)
{
m_receiveEventArgsPool.Push(token.m_receiveArgs);
}
if (null != m_sendEventArgsPool)
{
m_sendEventArgsPool.Push(token.m_sendArgs);
}
}
private void Init()
{
connectClient = new ConcurrentDictionary <int, ConnectClient>();
clientList = new ConcurrentDictionary <int, string>();
sendQueues = new ConcurrentQueue <SendingQueue> [sendthread];
for (int i = 0; i < sendthread; i++)
{
sendQueues[i] = new ConcurrentQueue <SendingQueue>();
}
m_bufferManager.InitBuffer();
SocketAsyncEventArgs saea_receive;
SocketAsyncEventArgs saea_send;
for (int i = 0; i < m_numConnections; i++)
{
saea_receive = new SocketAsyncEventArgs();
saea_receive.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
m_bufferManager.SetBuffer(saea_receive);
m_receivePool.Push(saea_receive);
saea_send = new SocketAsyncEventArgs();
saea_send.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
m_sendPool.Push(saea_send);
}
}
/// <summary>
/// Creates a new TCP socket for handling Gamespy Protocol
/// </summary>
/// <param name="Port">The port this socket will be bound to</param>
/// <param name="MaxConnections">The maximum number of concurrent connections</param>
public GamespyTcpSocket(int Port, int MaxConnections)
{
// Create our Socket
Listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Set Socket options
Listener.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.DontLinger, true);
Listener.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Linger, false);
Listener.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
// Bind to our port
Listener.Bind(new IPEndPoint(IPAddress.Any, Port));
Listener.Listen(25);
// Set the rest of our internals
MaxNumConnections = MaxConnections;
MaxConnectionsEnforcer = new SemaphoreSlim(MaxNumConnections, MaxNumConnections);
SocketAcceptPool = new SocketAsyncEventArgsPool(ConcurrentAcceptPoolSize);
SocketReadWritePool = new SocketAsyncEventArgsPool(MaxNumConnections);
// Create our Buffer Manager for IO operations.
// Always allocate double space, one for recieving, and another for sending
BufferManager = new BufferManager(MaxNumConnections * 2, BufferSizePerEventArg);
// Assign our Connection Accept SocketAsyncEventArgs object instances
for (int i = 0; i < ConcurrentAcceptPoolSize; i++)
{
SocketAsyncEventArgs SockArg = new SocketAsyncEventArgs();
SockArg.Completed += (s, e) => PrepareAccept(e);
// Do NOT assign buffer space for Accept operations!
// AcceptAsync does not take require a parameter for buffer size.
SocketAcceptPool.Push(SockArg);
}
// Assign our Connection IO SocketAsyncEventArgs object instances
for (int i = 0; i < MaxNumConnections * 2; i++)
{
SocketAsyncEventArgs SockArg = new SocketAsyncEventArgs();
BufferManager.AssignBuffer(SockArg);
SocketReadWritePool.Push(SockArg);
}
// set public internals
IsListening = true;
IgnoreNewConnections = false;
IsDisposed = false;
}
public TCPServer(string serverName, IPEndPoint bindTo, int MaxConnections)
{
ServerName = "[" + serverName + "]";
// Create our Socket
Listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Set Socket options
Listener.LingerState = new LingerOption(enable: false, seconds: 0);
Listener.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
// Bind to our port
Listener.Bind(bindTo);
Listener.Listen(25);
// Set the rest of our internals
MaxNumConnections = MaxConnections;
MaxConnectionsEnforcer = new SemaphoreSlim(MaxNumConnections, MaxNumConnections);
SocketAcceptPool = new SocketAsyncEventArgsPool(ConcurrentAcceptPoolSize);
SocketReadWritePool = new SocketAsyncEventArgsPool(MaxNumConnections * 2);
// Create our Buffer Manager for IO operations.
// Always allocate double space, one for recieving, and another for sending
BufferManager = new BufferManager(MaxNumConnections * 2, BufferSizePerOperation);
// Assign our Connection Accept SocketAsyncEventArgs object instances
for (int i = 0; i < ConcurrentAcceptPoolSize; i++)
{
SocketAsyncEventArgs SockArg = new SocketAsyncEventArgs();
SockArg.Completed += (s, e) => PrepareAccept(e);
// Do NOT assign buffer space for Accept operations!
SocketAcceptPool.Push(SockArg);
}
// Assign our Connection IO SocketAsyncEventArgs object instances
for (int i = 0; i < MaxNumConnections * 2; i++)
{
SocketAsyncEventArgs SockArg = new SocketAsyncEventArgs();
BufferManager.AssignBuffer(SockArg);
SocketReadWritePool.Push(SockArg);
}
// set public internals
IsListening = true;
}
public void Init()
{
m_maxConnection = 10000;
m_bufferSize = 1024;
// 동시커넥션 할 클라이언트 갯수 * 클라이언트별 패킷 버퍼의 사이즈 * 미리 잡아놓을 풀 사이즈
// 풀 사이즈는 read, write 총 2개
m_bufferManager = new BufferManager(m_maxConnection * m_bufferSize * m_preAllocCount, m_bufferSize);
m_receiveEventArgsPool = new SocketAsyncEventArgsPool(m_maxConnection);
m_sendEventArgsPool = new SocketAsyncEventArgsPool(m_maxConnection);
m_bufferManager.InitBuffer();
SocketAsyncEventArgs args;
for (int i = 0; i < m_maxConnection; i++)
{
// 동일한 소켓에 send 및 receive
// 유저 토큰은 클라이언트 세션 당 한개 생성 후
// 각 eventArgs에서 동일한 토큰을 가지게 한 후 참조하도록 함
CustomUserToken token = new CustomUserToken();
{
// receive pool
args = new SocketAsyncEventArgs();
args.Completed += new EventHandler <SocketAsyncEventArgs>(OnReceiveCompleted);
args.UserToken = token;
m_bufferManager.SetBuffer(args);
m_receiveEventArgsPool.Push(args);
}
{
// send pool
args = new SocketAsyncEventArgs();
args.Completed += new EventHandler <SocketAsyncEventArgs>(OnSendCompleted);
args.UserToken = token;
m_bufferManager.SetBuffer(args);
m_sendEventArgsPool.Push(args);
}
}
}
/// <summary>
/// 关闭socket连接
/// </summary>
/// <param name="e">SocketAsyncEventArg associated with the completed send/receive operation.</param>
private void CloseClientSocket(SocketAsyncEventArgs e)
{
Socket s = e.UserToken as Socket;
Log4Debug(String.Format("客户 {0} 断开连接!", s.RemoteEndPoint.ToString()));
try
{
s.Shutdown(SocketShutdown.Both);
}
catch (Exception)
{
// Throw if client has closed, so it is not necessary to catch.
}
finally
{
s.Close();
}
Interlocked.Decrement(ref _clientCount);
//_maxAcceptedClients.Release();
//此处要修改
_objectPool.Push(e);//SocketAsyncEventArg 对象被释放，压入可重用队列。
}
public void Start(IPEndPoint ipEndPoint)
{
Console.Write("Buffer initializing...");
bufferManager = new BufferManager(MaxConnectCount * BufferSize * opsToPreAlloc, BufferSize);
bufferManager.InitBuffer();
Console.WriteLine("Complete!");
Console.Write("ConnectionPool initializing...");
for (int i = 0; i < MaxConnectCount; i++)
{
var args = new SocketAsyncEventArgs();
bufferManager.SetBuffer(args);
args.Completed += Receive;
argsPool.Push(args);
}
Console.WriteLine("Complete!");
ListenSocket = new SysSocket.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
ListenSocket.Bind(ipEndPoint);
ListenSocket.Listen(MaxConnectCount);
ListenSocket.AcceptAsync(AcceptEventArgs);
Console.WriteLine($"TcpService now listening [{ipEndPoint.Address.ToString()}:{ipEndPoint.Port}]");
Console.WriteLine("TCP Service is runing");
}
public static SerializeResult Serialize()
{
try
{
var MaxConnections = int.Parse(Settings.GetValue("TCP.Listener.Max"));
Counter = 0;
Sessions = new Dictionary <int, Session>();
SocketPool = new SocketAsyncEventArgsPool(MaxConnections);
ConnectedAmount = new int();
SocketSemaphore = new Semaphore(MaxConnections, MaxConnections);
BufferManager = new BufferManager(RECV_BUFFER_SIZE * MaxConnections * OPS_TO_PRE_ALLOC, RECV_BUFFER_SIZE);
Solution.AppendLine("SessionHandler: Pushing SocketAsync({0}), big-buffer({1})", MaxConnections, BufferManager.Buffer.Length);
for (int i = 0; i < MaxConnections; i++)
{
var Async = new SocketAsyncEventArgs();
Async.Completed += new EventHandler <SocketAsyncEventArgs>(Async_Completed);
Async.UserToken = new AsyncUserToken();
BufferManager.SetBuffer(Async);
SocketPool.Push(Async);
}
var IPEndPoint = new IPEndPoint(IPAddress.Parse(Settings.GetValue("TCP.Listener.IP")), int.Parse(Settings.GetValue("TCP.Listener.Port")));
BaseSocket = new Socket(IPEndPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
BaseSocket.Bind(IPEndPoint);
BaseSocket.Listen(int.Parse(Settings.GetValue("TCP.Listener.Backlog")));
WaitForAsync(null);
}
catch { return(SerializeResult.Broken); }
return(SerializeResult.Finished);
}
public void Init(int maxClient)
{
connTimeOut = new UpdClientTimeOut();
connTimeOut.TimeOut = 1800;
connTimeOut.Start();
dataPacketManager = new YDataPacketManager();
YDataPacketManager.RegisterDataPacket(typeof(SocketRegisterPacket));
dataPacketManager.DataPacketReceived += dataPacketManager_DataPacketReceived;
this.maxClient = maxClient + 1;
socketPool = new SocketAsyncEventArgsPool(maxClient);
SocketAsyncEventArgs readWriteEventArg;
bufferManager = new BufferManager(maxClient * bufferLenthg, bufferLenthg);
bufferManager.InitBuffer();
for (int i = 0; i < maxClient; i++)
{
readWriteEventArg = new SocketAsyncEventArgs();
readWriteEventArg.Completed += readWriteEventArg_Completed;
bufferManager.SetBuffer(readWriteEventArg);
socketPool.Push(readWriteEventArg);
}
AbsInit();
isInit = true;
}
static void Run(string[] args)
{
var performanceCountersCategoryName = "Microshaoft EasyPerformanceCounters Category";
var enableCounters = MultiPerformanceCountersTypeFlags.ProcessCounter
| MultiPerformanceCountersTypeFlags.ProcessedAverageTimerCounter
| MultiPerformanceCountersTypeFlags.ProcessedCounter
| MultiPerformanceCountersTypeFlags.ProcessedRateOfCountsPerSecondCounter
| MultiPerformanceCountersTypeFlags.ProcessingCounter;
var sendEncoding = Encoding.Default;
var receiveEncoding = Encoding.Default;
//byte[] data = new byte[1024];
string[] a = args[0].Split(new char[] { ':' });
string ip = a[0];
int port = int.Parse(a[1]);
IPEndPoint ipep1 = new IPEndPoint(IPAddress.Parse(ip), port);
Console.WriteLine("ipep1 {0}", ipep1.ToString());
a = args[1].Split(new char[] { ':' });
ip = a[0];
port = int.Parse(a[1]);
IPEndPoint ipep2 = new IPEndPoint(IPAddress.Parse(ip), port);
Console.WriteLine("ipep2 {0}", ipep2.ToString());
var remoteAnyIPEP = new IPEndPoint(IPAddress.Any, 0);
Socket socket1 = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket1.Bind(ipep1);
SocketAsyncDataHandler <string> handler1 = new SocketAsyncDataHandler <string>(socket1, 1);
var receiveSocketAsyncEventArgs1 = _socketAsyncEventArgsPool.Pop();
_bufferManager.SetBuffer(receiveSocketAsyncEventArgs1);
handler1.StartReceiveDataFrom
(
remoteAnyIPEP
, receiveSocketAsyncEventArgs1
, (x, y, z, w) =>
{
Console.WriteLine("次数: {0}", x.ReceivedCount);
Console.WriteLine("字节: {0}", z.Length);
EasyPerformanceCountersHelper <CommonPerformanceCountersContainer>
.CountPerformance
(
enableCounters
, performanceCountersCategoryName
, "Hander1::Received"
, null
, () =>
{
var ss = receiveEncoding.GetString(z);
//Console.Write(s);
Console.WriteLine
(
"from {0} , to {1}, data {2}"
, x.WorkingSocket.LocalEndPoint
, w.RemoteEndPoint
, ss
);
}
, null
, null
, null
);
return(false);
}
, (x, y, z) =>
{
Console.WriteLine(z.ToString());
return(true);
}
);
Socket socket2 = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket2.Bind(ipep2);
SocketAsyncDataHandler <string> handler2 = new SocketAsyncDataHandler <string>(socket2, 2);
var receiveSocketAsyncEventArgs2 = _socketAsyncEventArgsPool.Pop();
_bufferManager.SetBuffer(receiveSocketAsyncEventArgs2);
handler2.StartReceiveDataFrom
(
remoteAnyIPEP
, receiveSocketAsyncEventArgs2
, (x, y, z, w) =>
{
Console.WriteLine("次数: {0}", x.ReceivedCount);
Console.WriteLine("字节: {0}", z.Length);
EasyPerformanceCountersHelper <CommonPerformanceCountersContainer>
.CountPerformance
(
enableCounters
, performanceCountersCategoryName
, "Hander2::Received"
, null
, () =>
{
var ss = receiveEncoding.GetString(z);
//Console.Write(s);
Console.WriteLine
(
"from {0} , to {1}, data {2}"
, x.WorkingSocket.LocalEndPoint
, w.RemoteEndPoint
, ss
);
}
, null
, null
, null
);
return(false);
}
, (x, y, z) =>
{
Console.WriteLine(z.ToString());
return(true);
}
);
string s = string.Empty;
Console.WriteLine("Send ...");
while ((s = Console.ReadLine().ToLower()) != "q")
{
var buffer = sendEncoding.GetBytes(s);
Parallel.For
(
0
, 1000
, new ParallelOptions()
{
MaxDegreeOfParallelism = 1 // Environment.ProcessorCount
//, TaskScheduler = null
}
, i =>
{
Thread.Sleep(5);
EasyPerformanceCountersHelper <CommonPerformanceCountersContainer>
.CountPerformance
(
enableCounters
, performanceCountersCategoryName
, "Hander1::Sended"
, null
, () =>
{
handler1.SendDataToSync(buffer, ipep2);
}
, null
, null
, null
);
EasyPerformanceCountersHelper <CommonPerformanceCountersContainer>
.CountPerformance
(
enableCounters
, performanceCountersCategoryName
, "Hander2::Sended"
, null
, () =>
{
handler2.SendDataToSync(buffer, ipep1);
}
, null
, null
, null
);
}
);
}
var e = handler1.ReceiveSocketAsyncEventArgs;
//_bufferManager.FreeBuffer(e);
_socketAsyncEventArgsPool.Push(e);
e = handler2.ReceiveSocketAsyncEventArgs;
//_bufferManager.FreeBuffer(e);
_socketAsyncEventArgsPool.Push(e);
handler1.DestoryWorkingSocket();
handler2.DestoryWorkingSocket();
Console.WriteLine("Send quit");
}
/// <summary>
/// Once a connection has been received, its handed off here to convert it into
/// our client object, and prepared to be handed off to the parent for processing
/// </summary>
/// <param name="AcceptEventArg"></param>
protected async void PrepareAccept(SocketAsyncEventArgs AcceptEventArg)
{
// If we do not get a success code here, we have a bad socket
if (IgnoreNewConnections || AcceptEventArg.SocketError != SocketError.Success)
{
// This method closes the socket and releases all resources, both
// managed and unmanaged. It internally calls Dispose.
AcceptEventArg.AcceptSocket.Close();
// Put the SAEA back in the pool.
SocketAcceptPool.Push(AcceptEventArg);
StartAcceptAsync();
return;
}
// If the server is full, send an error message to the player
if (ConnectionEnforceMode == EnforceMode.DuringPrepare)
{
bool Success = await MaxConnectionsEnforcer.WaitAsync(WaitTimeout);
if (!Success)
{
// If we arent even listening...
if (!IsListening)
{
return;
}
// Alert the client that we are full
if (!String.IsNullOrEmpty(FullErrorMessage))
{
byte[] buffer = Encoding.UTF8.GetBytes(
String.Format(@"\error\\err\0\fatal\\errmsg\{0}\id\1\final\", FullErrorMessage)
);
AcceptEventArg.AcceptSocket.Send(buffer);
}
// Log so we can track this!
Program.ErrorLog.Write("NOTICE: [GamespyTcpSocket.PrepareAccept] The Server is currently full! Rejecting connecting client.");
// Put the SAEA back in the pool.
AcceptEventArg.AcceptSocket.Close();
SocketAcceptPool.Push(AcceptEventArg);
StartAcceptAsync();
return;
}
}
// Begin accepting a new connection
StartAcceptAsync();
// Grab a send/recieve object
SocketAsyncEventArgs ReadArgs = SocketReadWritePool.Pop();
SocketAsyncEventArgs WriteArgs = SocketReadWritePool.Pop();
// Pass over the reference to the new socket that is handling
// this specific stream, and dereference it so we can hand the
// acception event back over
ReadArgs.AcceptSocket = AcceptEventArg.AcceptSocket;
WriteArgs.AcceptSocket = AcceptEventArg.AcceptSocket;
AcceptEventArg.AcceptSocket = null;
// Hand back the AcceptEventArg so another connection can be accepted
SocketAcceptPool.Push(AcceptEventArg);
// Hand off processing to the parent
GamespyTcpStream Stream = null;
try
{
Stream = new GamespyTcpStream(this, ReadArgs, WriteArgs);
ProcessAccept(Stream);
}
catch (Exception e)
{
// Report Error
Program.ErrorLog.Write("ERROR: An Error occured at [GamespyTcpSocket.PrepareAccept] : Generating Exception Log");
ExceptionHandler.GenerateExceptionLog(e);
// Make sure the connection is closed properly
if (Stream != null)
{
Release(Stream);
}
}
}
private void HandleBadAccept(SocketAsyncEventArgs acceptEventArgs)
{
acceptEventArgs.AcceptSocket.Close();
poolOfAcceptEventArgs.Push(acceptEventArgs);
}
private void Initialize()
{
this.totalBytesRead = 0;
this.connectSocketNumber = 0;
this.bufferManager = new BufferManager(bufferSize * connectNumber * 2, bufferSize);
this.readWritePool = new SocketAsyncEventArgsPool(connectNumber);
this.acceptClientMaxNumber = new Semaphore(connectNumber, connectNumber);
bufferManager.InitBuffer();
SocketAsyncEventArgs readWriteEventArgs;
for (int index = 0; index < connectNumber; index++)
{
readWriteEventArgs = new SocketAsyncEventArgs();
readWriteEventArgs.UserToken = new AsyncUserToken();
readWriteEventArgs.Completed += new EventHandler<SocketAsyncEventArgs>(IO_Completed);
bufferManager.SetBuffer(readWriteEventArgs);
readWritePool.Push(readWriteEventArgs);
}
}