void acceptAsyncEvent_Completed(object sender, SocketAsyncEventArgs e)
{
Socket socket = null;
try
{
socket = e.AcceptSocket;
}
catch (Exception ex)
{
if (socket != null)
{
try
{
socket.Close();
}
catch
{ }
}
log.Error("获取客户端Socket连接错误.", ex);
m_socket.Disconnect();
return;
}
m_socket.ListenAcceptSocket(socket);
acceptAsync(m_socket.Socket, m_acceptAsyncEvent);
}
public void SendTcp(Packet pkg)
{
if (pkg == null)
{
return;
}
if (!pkg.Writed)
{
pkg.WriteHeader();
pkg.WriteData();
pkg.Pack();
}
if (pkg.Length <= 0)
{
return;
}
if (m_socket.Socket.Connected == false)
{
return;
}
try
{
lock (m_pkgQueue.SyncRoot)
{
m_pkgQueue.Enqueue(pkg);
if (m_sendingTcp)
{
return;
}
m_sendingTcp = true;
}
if (m_socket.EnableAsyncSend)
{
ThreadPool.QueueUserWorkItem(new WaitCallback(sendAsyncImp), this);
}
else
{
sendAsyncEvent_Completed(this, m_sendAsyncEvent);
}
}
catch (Exception ex)
{
log.Error("数据包发送失败.", ex);
m_socket.Disconnect();
}
}
private static void sendAsyncImp(object state)
{
PacketSender ps = state as PacketSender;
JSocket socket = ps.m_socket;
try
{
sendAsyncEvent_Completed(socket.Socket, ps.m_sendAsyncEvent);
}
catch (Exception ex)
{
log.Error("Async send package error.", ex);
socket.Disconnect();
}
}
private static void sendAsyncEvent_Completed(object sender, SocketAsyncEventArgs e)
{
PacketSender ps = (PacketSender)e.UserToken;
JSocket socket = ps.m_socket;
Queue q = ps.m_pkgQueue;
byte[] cryptorBuffer = ps.m_cryptorBuffer;
IPacketCryptor cryptor = ps.m_cryptor;
int sended = e.BytesTransferred;
byte[] data = ps.m_buffer;
int count = ps.m_sendingLength - sended;
if (count > 0)
{
Array.Copy(data, sended, data, 0, count);
}
else
{
count = 0;
}
e.SetBuffer(0, 0);
int dataOffset = ps.m_lastPkgReadOffset;
try
{
lock (q.SyncRoot)
{
while (q.Count > 0)
{
Packet pkg = (Packet)q.Peek();
int len = 0;
if (dataOffset == 0)
{
System.Buffer.BlockCopy(pkg.Buffer, 0, cryptorBuffer, 0, pkg.Length);
cryptor.Encrypt(cryptorBuffer, pkg.Length);
}
len = ByteArray.CopyTo(cryptorBuffer, dataOffset, data, count, pkg.Length);
dataOffset += len;
count += len;
if (pkg.Length <= dataOffset)
{
q.Dequeue();
dataOffset = 0;
//cryptor.Decrypt(pkg.Buffer, pkg.Length);
cryptor.Update();
}
if (data.Length == count)
{
break;
}
}
ps.m_lastPkgReadOffset = dataOffset;
if (count <= 0)
{
ps.m_sendingTcp = false;
return;
}
}
ps.m_sendingLength = count;
e.SetBuffer(0, count);
if (socket.Socket.SendAsync(e) == false)
{
sendAsyncEvent_Completed(sender, e);
}
}
catch (Exception ex)
{
log.Error("Async sending package error.", ex);
socket.Disconnect();
}
}
void receiveAsyncEvent_Completed(object sender, SocketAsyncEventArgs e)
{
try
{
lock (this)
{
//if (m_policy == false && m_buffer[0] == '<')
//{
// //m_policy = true;
// m_socket.Socket.Send(POLICY);
// log.Info(Marshal.ToHexDump("===============跨域包数据===============", m_buffer, 0, 23));
// return;
//}
if (e.BytesTransferred > 0)
{
//m_policy = true;
#region 读取数据包
int bufferSize = m_dataRemain + e.BytesTransferred;
if (bufferSize < ConfigPkg.HeaderSize)
{
m_dataRemain = bufferSize;
return;
}
m_dataRemain = 0;
int curOffset = 0;
int dataLen = bufferSize;
int pkgLen = 0;
//int header = 0;
while (dataLen >= ConfigPkg.HeaderSize)
{
//pkgLen = 0;
//while ((curOffset + ConfigPkg.HeaderSize) <= bufferSize)
//{
// bytes[0] = m_buffer[curOffset];
// bytes[1] = m_buffer[curOffset + 1];
// m_cryptor.Decrypt(bytes);
// header = bytes[0] << 8;
// header += bytes[1];
// if ((short)header == ConfigPkg.Header)
// {
// bytes[0] = m_buffer[curOffset + ConfigPkg.PkgLenOffset];
// bytes[1] = m_buffer[curOffset + ConfigPkg.PkgLenOffset + 1];
// m_cryptor.Decrypt(bytes);
// pkgLen = bytes[0] << 8;
// pkgLen += bytes[1];
// break;
// }
// else
// {
// curOffset++;
// }
//}
bytes[0] = m_buffer[curOffset + ConfigPkg.PkgLenOffset];
bytes[1] = m_buffer[curOffset + ConfigPkg.PkgLenOffset + 1];
m_cryptor.Decrypt(bytes);
pkgLen = bytes[0] << 8;
pkgLen += bytes[1];
if (pkgLen <= 0 || pkgLen > ConfigPkg.BufferSize || pkgLen < ConfigPkg.HeaderSize)
{
log.ErrorFormat("读取的数据包长：{0} 包头长：{1} 读取时的当前游标：{2} 当前总数据流长度：{3} 当前收到数据流长度：{4} 来自：{5}", pkgLen, ConfigPkg.HeaderSize, curOffset, bufferSize, e.BytesTransferred, m_socket.RemoteEndPoint);
log.Error(Marshal.ToHexDump("=======================包数据==========================", m_buffer));
m_socket.Disconnect();
return;
}
dataLen = bufferSize - curOffset;
if (dataLen >= pkgLen)
{
Packet pkg = m_socket.UsedPacket;
pkg.CopyFrom(m_buffer, curOffset, 0, pkgLen);
m_cryptor.Decrypt(pkg.Buffer, pkgLen);
m_cryptor.Update();
pkg.ReadHeader();
if (log.IsInfoEnabled)
{
log.Info(Marshal.ToHexDump("Recieve Package：", pkg.Buffer, 0, pkgLen));
}
curOffset += pkgLen;
dataLen = bufferSize - curOffset;
m_socket.ReceivePkg(pkg);
}
else
{
break;
}
}
if (dataLen > 0)
{
Array.Copy(m_buffer, curOffset, m_buffer, 0, dataLen);
m_dataRemain = dataLen;
}
#endregion
}
else
{
log.InfoFormat("The client of '{0}' disconnected!", m_socket.RemoteEndPoint);
m_socket.Disconnect();
}
}
}
catch (Exception ex)
{
log.Error("数据包解析出错.", ex);
m_socket.Disconnect();
}
finally
{
AsyncReceiveImp();
}
}
