public bool DoSendResult(byte[] buffer, int offset, int count)
{
string commandText = m_outgoingDataAssembler.GetProtocolText();
byte[] bufferUTF8 = Encoding.UTF8.GetBytes(commandText);
int totalLength = sizeof(int) + bufferUTF8.Length + count; //获取总大小
AsyncSendBufferManager asyncSendBufferManager = m_asyncSocketUserToken.SendBuffer;
asyncSendBufferManager.StartPacket();
asyncSendBufferManager.DynamicBufferManager.WriteInt(totalLength, false); //写入总大小
asyncSendBufferManager.DynamicBufferManager.WriteInt(bufferUTF8.Length, false); //写入命令大小
asyncSendBufferManager.DynamicBufferManager.WriteBuffer(bufferUTF8); //写入命令内容
asyncSendBufferManager.DynamicBufferManager.WriteBuffer(buffer, offset, count); //写入二进制数据
asyncSendBufferManager.EndPacket();
bool result = true;
if (!m_sendAsync)
{
int packetOffset = 0;
int packetCount = 0;
if (asyncSendBufferManager.GetFirstPacket(ref packetOffset, ref packetCount))
{
m_sendAsync = true;
result = m_asyncSocketServer.SendAsyncEvent(m_asyncSocketUserToken.ConnectSocket, m_asyncSocketUserToken.SendEventArgs,
asyncSendBufferManager.DynamicBufferManager.Buffer, packetOffset, packetCount);
}
}
return(result);
}
public AsyncSocketUserToken(int asyncReceiveBufferSize)
{
Num = 0;
GateWayId = 0;
m_connectSocket = null;
EndPoints = null;
m_asyncSocketInvokeElement = null;
m_receiveEventArgs = new SocketAsyncEventArgs();
m_receiveEventArgs.UserToken = this;//重点！解释了 AsyncSocketUserToken userToken = asyncEventArgs.UserToken as AsyncSocketUserToken; 其中的asyncEventArgs是userToken.ReceiveEventArgs。
m_asyncReceiveBuffer = new byte[asyncReceiveBufferSize];
m_receiveEventArgs.SetBuffer(m_asyncReceiveBuffer, 0, m_asyncReceiveBuffer.Length);
m_sendEventArgs = new SocketAsyncEventArgs();
m_sendEventArgs.UserToken = this;
m_receiveBuffer = new DynamicBufferManager(ProtocolConst.InitBufferSize);
m_sendBuffer = new AsyncSendBufferManager(ProtocolConst.InitBufferSize);;
}
public virtual bool SendCompleted()
{
m_activeDT = DateTime.UtcNow;
m_sendAsync = false;
AsyncSendBufferManager asyncSendBufferManager = m_asyncSocketUserToken.SendBuffer;
asyncSendBufferManager.ClearFirstPacket(); //清除已发送的包
int offset = 0;
int count = 0;
if (asyncSendBufferManager.GetFirstPacket(ref offset, ref count))
{
m_sendAsync = true;
return(m_asyncSocketServer.SendAsyncEvent(m_asyncSocketUserToken.ConnectSocket, m_asyncSocketUserToken.SendEventArgs,
asyncSendBufferManager.DynamicBufferManager.Buffer, offset, count));
}
else
{
return(SendCallback());
}
}
public bool DoSendBuffer(byte[] buffer, int offset, int count) //不是按包格式下发一个内存块，用于日志这类下发协议
{
AsyncSendBufferManager asyncSendBufferManager = m_asyncSocketUserToken.SendBuffer;
asyncSendBufferManager.StartPacket();
asyncSendBufferManager.DynamicBufferManager.WriteBuffer(buffer, offset, count);
asyncSendBufferManager.EndPacket();
bool result = true;
if (!m_sendAsync)
{
int packetOffset = 0;
int packetCount = 0;
if (asyncSendBufferManager.GetFirstPacket(ref packetOffset, ref packetCount))
{
m_sendAsync = true;
result = m_asyncSocketServer.SendAsyncEvent(m_asyncSocketUserToken.ConnectSocket, m_asyncSocketUserToken.SendEventArgs,
asyncSendBufferManager.DynamicBufferManager.Buffer, packetOffset, packetCount);
}
}
return(result);
}