DriverPlatform-V3.1/OemLayer/CanModelDPC/ImagePool.cpp

#include "stdafx.h"
#include "ImagePool.h"




ImagePoolEx::ImagePoolEx()
{

	//OEM层需要进行细节上的设置.
	m_pFullImageQueue = NULL;
	m_pPrevImageData = NULL;




}

ImagePoolEx::~ImagePoolEx()
{
	ClearPool();

}



bool ImagePoolEx::SetMaxBlockSize(const char *pQueName, DWORD BlockSize, DWORD FulBlockCount, DWORD PrevBlockSize, DWORD PrevBlockCount)
{
	bool ret = true;
	string PrevQueName = pQueName;
	PrevQueName += "Prv";

	if (BlockSize)
	{
		m_pFullImageQueue = (PVOID)new CShareMemory_Circle();
		if (((CShareMemory_Circle*)m_pFullImageQueue)->Create(pQueName, BlockSize, FulBlockCount, SM_READWRITE) < 0)
		{
			//printf ("Create Full Pool Failed.%s\n", pQueName);
			return false;
		}

	}


	if (PrevBlockSize)
	{
		m_pPrevImageData = (PVOID)new CShareMemory_Circle();
		if (((CShareMemory_Circle*)m_pPrevImageData)->Create(PrevQueName.c_str(), PrevBlockSize, PrevBlockCount, SM_READWRITE) < 0)
		{
			//printf ("Create Prev Pool Failed.%s\n", PrevQueName.c_str ());

			return false;
		}

	}


	//try open
	if (m_pFullImageQueue)
	{
		if (((CShareMemory_Circle*) m_pFullImageQueue)->Open (pQueName, SM_READWRITE) < 0)
		{
			//printf ("Open Full Pool Failed.%s\n", pQueName);

			return false;
		}
	}

	if (m_pPrevImageData)
	{
		if (((CShareMemory_Circle*) m_pPrevImageData)->Open (PrevQueName.c_str (), SM_READWRITE) < 0)
		{
			//printf ("Open Prev Pool Failed.%s\n", PrevQueName.c_str ());
			return false;
		}
		else
		{

		}

	}

	return ret;
}


ShareMemoryBlockID ImagePoolEx::AddFrameWithHead(BLOCK_IMAGE_TYPE Type, string &imageHead, char* pFrameBuff, DWORD FrameSize)
{
	ShareMemoryBlockID id = UnvalidSMBid;

	if (Type == PREV_BLOCK_IMG)
	{
		if (m_pPrevImageData)
		{
			id = ((CShareMemory_Circle*)m_pPrevImageData)->PushRaw(imageHead, pFrameBuff, FrameSize, true);
		}

	}
	else
	{
		if (m_pFullImageQueue)
		{
			id = ((CShareMemory_Circle*)m_pFullImageQueue)->PushRaw(imageHead, pFrameBuff, FrameSize, true);
		}

	}

	return id;
}

void ImagePoolEx::ClearPool()
{
	if (m_pFullImageQueue)
	{
		((CShareMemory_Circle*)m_pFullImageQueue)->Clear();
		delete (CShareMemory_Circle*)m_pFullImageQueue;
		m_pFullImageQueue = NULL;

	}

	if (m_pPrevImageData)
	{
		((CShareMemory_Circle*)m_pPrevImageData)->Clear();
		delete (CShareMemory_Circle*)m_pPrevImageData;
		m_pPrevImageData = NULL;

	}




}