Peer GetPeer(int nID)
{
Peer client;
locker.AcquireReaderLock(Timeout.Infinite);
peers.TryGetValue((int)nID, out client);
locker.ReleaseReaderLock();
return(client);
}
private static void ReaderProc()
{
// 读
for (int i = 0; i < 1000; i++)
{
rWLock.AcquireReaderLock();
// Thread.Sleep(2);
rWLock.ReleaseReaderLock();
}
}
internal byte[] GetTileFromMemoryCache(RawTile tile)
{
fCacheLock.AcquireReaderLock();
try {
byte[] ret;
if (fTileCache.TryGetValue(tile, out ret))
{
return(ret);
}
} finally {
fCacheLock.ReleaseReaderLock();
}
return(null);
}
// 获取并释放读者锁，发生超时会取消操作
static void ReadFromResource(int timeOut)
{
try {
rwl.AcquireReaderLock(timeOut);
try {
Display("reads resource value " + resource);
Interlocked.Increment(ref reads);
}
finally {
rwl.ReleaseReaderLock();
}
}
catch (ApplicationException) {
// 读者超时
Interlocked.Increment(ref readerTimeouts);
}
}
protected void AcquireReaderLock()
{
RWLock.AcquireReaderLock(lockTimeout);
}
public void Create(INetEvent hander, int nPort, int nCount, bool encrypt)
{
handler = hander;
server = new TcpListener(IPAddress.Any, nPort);
server.Server.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
server.Server.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
server.Server.LingerState = new LingerOption(false, 0);
server.Server.NoDelay = true;
server.Server.Blocking = false;
op = Queue.Synchronized(new Queue(nCount));
peers = new Dictionary <int, Peer>(nCount);
count = nCount;
locker = new RWLock();
sendbuffers = ReplacableQueue <SendBuff> .Synchronized(new ReplacableQueue <SendBuff>(delegate(SendBuff item) { return(item.buff.Length); }));
ThreadPool.SetMaxThreads(100, 100);
ThreadPool.SetMinThreads(10, 10);
Thread t = new Thread(delegate()
{
while (running)
{
if (peers.Count > 0)
{
Peer[] clients;
locker.AcquireReaderLock(Timeout.Infinite);
clients = new Peer[peers.Count];
peers.Values.CopyTo(clients, 0);
locker.ReleaseReaderLock();
for (int i = 0; i < clients.Length; ++i)
{
Peer c = clients[i];
if (!c.Connected)
{
continue;
}
try
{
Socket s = c.client.Client;
if (s.Poll(0, SelectMode.SelectRead) && s.Available > 0)
{
byte[] recvbuffer = new byte[recvBufferSize];
if (!s.Connected)
{
continue;
}
if (c._check)
{
continue;
}
if (c._read > 0)
{
continue;
}
Interlocked.Increment(ref c._read);
try
{
s.BeginReceive(recvbuffer, 0, recvBufferSize, SocketFlags.None, delegate(IAsyncResult ar)
{
try
{
if (s == null || !s.Connected)
{
return;
}
int readSize = s.EndReceive(ar);
byte[] buf = new byte[readSize];
Buffer.BlockCopy(recvbuffer, 0, buf, 0, readSize);
c.AddBuffer(buf);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex.StackTrace);
f d = delegate()
{
Close((ushort)((ar.AsyncState as object[])[0] as Peer)._id);
};
op.Enqueue(d);
}
finally
{
Interlocked.Decrement(ref c._read);
}
}, null);
}
catch
{
Interlocked.Decrement(ref c._read);
throw;
}
}
}
catch (SocketException)
{
f d = delegate()
{
Close((ushort)c._id);
};
op.Enqueue(d);
}
catch (ObjectDisposedException) { }
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex.StackTrace);
f d = delegate()
{
Close((ushort)c._id);
};
op.Enqueue(d);
}
}
}
Thread.CurrentThread.Join(1);
}
});
Thread u = new Thread(delegate()
{
while (running)
{
if (peers.Count > 0)
{
Peer[] clients;
locker.AcquireReaderLock(Timeout.Infinite);
clients = new Peer[peers.Count];
peers.Values.CopyTo(clients, 0);
locker.ReleaseReaderLock();
for (int i = 0; i < clients.Length; ++i)
{
Peer c = clients[i];
try
{
if (!c.Connected)
{
continue;
}
if (c._recvbuffers.Count == 0)
{
continue;
}
int copylen;
ArraySegment <byte> buffer;
byte[] data;
if (c._len <= 0)
{
buffer = c._recvbuffers.Peek();
data = new byte[sizeof(int)];
if (buffer.Count < data.Length)
{
c._recvbuffers.Dequeue();
continue;
}
Buffer.BlockCopy(buffer.Array, buffer.Offset, data, 0, data.Length);
c._len = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(data, 0));
if (c._len <= 0)
{
c._recvbuffers.Dequeue();
continue;
}
c._recvdata = new byte[c._len];
copylen = 0;
if (buffer.Count > data.Length)
{
copylen = buffer.Count - data.Length;
if (copylen > c._len)
{
copylen = c._len;
Buffer.BlockCopy(buffer.Array, data.Length, c._recvdata, 0, copylen);
Buffer.BlockCopy(buffer.Array, data.Length + copylen, buffer.Array, 0, buffer.Count - (data.Length + copylen));
buffer = new ArraySegment <byte>(buffer.Array, 0, buffer.Count - (data.Length + copylen));
c._recvbuffers.Set(buffer);
}
else
{
Buffer.BlockCopy(buffer.Array, data.Length, c._recvdata, 0, copylen);
c._recvbuffers.Dequeue();
}
}
c._len -= copylen;
}
while (c._len > 0 && c._recvbuffers.Count > 0)
{
buffer = c._recvbuffers.Peek();
if (buffer.Count <= c._len)
{
copylen = buffer.Count;
Buffer.BlockCopy(buffer.Array, 0, c._recvdata, 0, copylen);
c._recvbuffers.Dequeue();
}
else
{
copylen = c._len;
Buffer.BlockCopy(buffer.Array, 0, c._recvdata, 0, copylen);
Buffer.BlockCopy(buffer.Array, copylen, buffer.Array, 0, buffer.Count - copylen);
buffer = new ArraySegment <byte>(buffer.Array, 0, buffer.Count - copylen);
c._recvbuffers.Set(buffer);
}
c._len -= copylen;
if (c._recvbuffers.Count == 0)
{
break;
}
}
if (c._len <= 0)
{
c._len = 0;
data = (byte[])c._recvdata.Clone();
f d = delegate()
{
handler.OnRecv((ushort)c._id, data);
};
op.Enqueue(d);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex.StackTrace);
f d = delegate()
{
Close((ushort)c._id);
};
op.Enqueue(d);
}
}
}
Thread.CurrentThread.Join(1);
}
});
t.IsBackground = true;
u.IsBackground = true;
running = true;
t.Start();
u.Start();
server.Start(nCount);
}