LosaDev source snapshot 2019

extra/LS_Service/LS_network/cIocpOv.cpp

@@ -0,0 +1,96 @@
+// cIocpOv.cpp: implementation of the cIocpOv class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+#include "cSystem.h"
+#include "cIocpOv.h"
+#include "../include/cSingleton.h"
+
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+cIocpOv::cIocpOv(E_IO_OPERATION iocpOP) : m_buffer(NULL), m_dataLength(0), m_bufferLength(0)
+{
+	Init(0, iocpOP);
+}
+
+void cIocpOv::Init(const uint32 bufferLength, E_IO_OPERATION iocpOP)
+{
+	ZeroMemory(&m_wsaBuf, sizeof(m_wsaBuf));
+	ZeroMemory(&m_overlapped, sizeof(WSAOVERLAPPED));
+
+	SetOperation( iocpOP );
+}
+
+void cIocpOv::Destroy()
+{
+	if(m_buffer)
+	{
+		delete []m_buffer;
+		m_buffer = NULL;
+	}
+	m_dataLength = 0;
+	m_bufferLength = 0;
+	ZeroMemory(&m_wsaBuf, sizeof(m_wsaBuf));
+	ZeroMemory(&m_overlapped, sizeof(WSAOVERLAPPED));
+}
+
+void cIocpOv::Clean()
+{
+	if( m_buffer )
+	{
+		m_dataLength = 0;
+		ZeroMemory(m_buffer, m_bufferLength);
+		ZeroMemory(&m_overlapped, sizeof(WSAOVERLAPPED));
+	}
+}
+
+//////////////////////////////////////////////////////////////////////
+// iocpOP
+//////////////////////////////////////////////////////////////////////
+
+void cIocpOv::Alloc(const uint32 bufferLength)
+{
+	uint8* tempBuffer = new uint8[ bufferLength ];
+	if( tempBuffer )
+		ZeroMemory(tempBuffer, bufferLength);
+
+	if( m_buffer )
+	{
+		CopyMemory( tempBuffer, m_buffer, m_dataLength );
+		delete []m_buffer;
+	}
+
+	m_buffer		= tempBuffer;
+	m_bufferLength	= bufferLength;
+
+	m_wsaBuf.buf	= reinterpret_cast<CHAR*>(m_buffer);
+	m_wsaBuf.len	= m_bufferLength;
+}
+
+void cIocpOv::CopyBuffer(const uint8* buffer, const uint32 bufferLength)
+{
+	if( bufferLength >= m_bufferLength )
+	{
+		Alloc( bufferLength );
+	}
+
+	CopyMemory(m_wsaBuf.buf, buffer, bufferLength);
+	m_dataLength	= bufferLength;
+	m_wsaBuf.len	= m_dataLength;
+}
+
+void cIocpOv::AppendBuffer(const uint8* buffer, const uint32 bufferLength)
+{
+	if( (m_dataLength+bufferLength) >= m_bufferLength )
+	{
+		Alloc( (m_dataLength+bufferLength) );
+	}
+
+	CopyMemory(m_wsaBuf.buf+m_dataLength, buffer, bufferLength);
+	m_dataLength	+= bufferLength;
+	m_wsaBuf.len	= m_dataLength;
+}