intelmobilestorageclassprovider.cpp

270的linux说明

/*

Copyright (c) 2008, Intel Corporation. 

All rights reserved.

 

Redistribution and use in source and binary forms, with or without modification, 
are permitted provided that the following conditions are met:


    * Redistributions of source code must retain the above copyright notice, 
this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright notice, 
this list of conditions and the following disclaimer in the documentation and/or 
other materials provided with the distribution.

    * Neither the name of Intel Corporation nor the names of its contributors 
may be used to endorse or promote products derived from this software without 
specific prior written permission.

 

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
OF SUCH DAMAGE.

*/


#include "IntelMobileStorageClassProvider.h"
#include "inc/base/Layer_Manager.h"
#include "storage_util.h"


StorageClassProvider LocalClassProvider;

//==============================================================================


PROVIDER_API IClassProvider* CreateClassProvider(/* HWND& hWnd*/ )
{
	//LocalClassProvider.SetWindowHandle( hWnd );
	return &LocalClassProvider;
}

//==============================================================================

StorageClassProvider::~StorageClassProvider()
{
	Unload();
	DeleteCriticalSection( &m_DefaultProviderCS );
}


bool StorageClassProvider::Load()
{
	_Log(IntelMobileText("StorageClassProvider::Load()"));

	bool bRet = true;

	bRet = Scan();
	if (bRet == false)
		return false;

	// event monitor initialization
	bRet = RegisterThread();

	return bRet;
}

bool StorageClassProvider::Unload()
{
	_Log(IntelMobileText("StorageClassProvider::Unload()"));

	return UnRegisterThread();
}


bool StorageClassProvider::Scan()
{
//#ifdef _DEBUG
	_Log(IntelMobileText("StorageClassProvider::Scan()"));
//#endif

	Lock();

	m_Devices.clear();
	m_Logicals.clear();

	/*
	HANDLE hFlashCard;					// Search handle for storage cards
	WIN32_FIND_DATA wfdFlashCard;		// Structure for storing card information.

	hFlashCard = FindFirstFlashCard( &wfdFlashCard );
	if (hFlashCard == INVALID_HANDLE_VALUE)
	{
		return false;
	}

	CreateInstance( wfdFlashCard.cFileName, wfdFlashCard.cFileName, IntelMobileText("PhysicalDisk" ));
	CreateInstance( wfdFlashCard.cFileName, wfdFlashCard.cFileName, IntelMobileText("LogicalDisk" ));
	m_Devices.push_back( wfdFlashCard.cFileName );

	while ( FindNextFlashCard(hFlashCard, &wfdFlashCard) )
	{
		CreateInstance( wfdFlashCard.cFileName, wfdFlashCard.cFileName, IntelMobileText("PhysicalDisk" ));
		CreateInstance( wfdFlashCard.cFileName, wfdFlashCard.cFileName, IntelMobileText("LogicalDisk" ));
		m_Devices.push_back( wfdFlashCard.cFileName );
	}

	FindClose( hFlashCard );			// Close the search handle.
	*/

	/*
	int ret;
	store_info_t pinfo, next;

	ret = FindStoreInit();
	if(ret < 0)
		return false;

	ret = FindFirstStore(&pinfo);
	if(ret < 0)
	{
		return false;
	}

	if(IsPhysicalDisk(&pinfo))
	{
		CreateInstance(pinfo.name, pinfo.name, IntelMobileText("PhysicalDisk"));
		CreateInstance(pinfo.name, pinfo.name, IntelMobileText("LogicalDisk"));
		m_Devices.push_back(pinfo.name);
	}

	while((ret = FindNextStore(&pinfo)) == 0)
	{
		if(IsPhysicalDisk(&pinfo))
		{
			CreateInstance(pinfo.name, pinfo.name, IntelMobileText("PhysicalDisk"));
			CreateInstance(pinfo.name, pinfo.name, IntelMobileText("LogicalDisk"));
			m_Devices.push_back(pinfo.name);
		}
	}

	FindStoreFini();
	*/
	
	//Support new storage info model
	//1. get disk and its partions
	list<disk_info_t> diskInfoList;
	if(GetDiskList(diskInfoList))
	{
		list<disk_info_t>::iterator it = diskInfoList.begin();

		for(; it != diskInfoList.end(); it++)
		{
			//find a disk, create Instance
			ServerInstanceObject* pInstance = CreateInstance((*it).name, (*it).name, IntelMobileText("PhysicalDisk"));
			m_Devices.push_back( (*it).name );

			ServerPhysicalDiskInstanceObject* pPhysicalDiskInstance = reinterpret_cast<ServerPhysicalDiskInstanceObject*>(pInstance);

			disk_info_t diskInfo;
			strncpy(diskInfo.name, (*it).name, 256);

			list<part_info_t> partInfoList;
			if(GetDiskPartitionList(&diskInfo, partInfoList))
			{
				list<part_info_t>::iterator itp = partInfoList.begin();

				for(; itp != partInfoList.end(); itp++)
				{
					ServerInstanceObject* pInstance = CreateInstance((*itp).name, (*itp).name, IntelMobileText("LogicalDisk"));
					m_Logicals.push_back( (*itp).name );

					ServerLogicalDiskInstanceObject* pPartInstance = reinterpret_cast<ServerLogicalDiskInstanceObject*>(pInstance);

					//establish the relation
					pPhysicalDiskInstance->AddLogicalDisk(pPartInstance);
					pPartInstance->AddPhysicalDisk(pPhysicalDiskInstance);
				}
			}
		}
	}

	//2. find the flash
	list<flash_info_t> flashInfoList;

	if(GetInternalFlashList(flashInfoList))
	{
		list<flash_info_t>::iterator it = flashInfoList.begin();

		for(; it != flashInfoList.end(); it++)
		{
			ServerInstanceObject* pInstance = CreateInstance((*it).name, (*it).name, IntelMobileText("PhysicalDisk"));
			m_Devices.push_back( (*it).name );
			ServerPhysicalDiskInstanceObject* pPhysicalDiskInstance = reinterpret_cast<ServerPhysicalDiskInstanceObject*>(pInstance);

			ServerInstanceObject* pInstance1 = CreateInstance((*it).name, (*it).name, IntelMobileText("LogicalDisk"));
			m_Logicals.push_back( (*it).name );
			ServerLogicalDiskInstanceObject* pPartInstance = reinterpret_cast<ServerLogicalDiskInstanceObject*>(pInstance1);

			//establish the relation
			pPhysicalDiskInstance->AddLogicalDisk(pPartInstance);
			pPartInstance->AddPhysicalDisk(pPhysicalDiskInstance);
		}
	}

	//3. find network partition
	list<part_info_t> netPartList;

	if(GetNetworkPartitionList(netPartList))
	{
		list<part_info_t>::iterator it = netPartList.begin();

		for(; it != netPartList.end(); it++)
		{
			ServerInstanceObject* pInstance = CreateInstance((*it).name, (*it).name, IntelMobileText("LogicalDisk"));
			m_Logicals.push_back( (*it).name );
			ServerLogicalDiskInstanceObject* pPartInstance = reinterpret_cast<ServerLogicalDiskInstanceObject*>(pInstance);

			pPartInstance->Pnet = true;
		}
	}

	//4. find the memory
	CreateInstance( IntelMobileText("Memory"), IntelMobileText("Memory"), IntelMobileText("Memory") );

	//TODO: Linux
	Unlock();

	return true;
}


/*
bool StorageClassProvider::WindowNotification(HWND hWnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
	bool bRet = true;

	//
	// TODO For CE, but Window Notification is not supported on WinCE
	return bRet;
}
*/

//==============================================================================

ServerClassObject& StorageClassProvider::GetClassObject( const IntelMobileString& sType )
{
	if ( sType == IntelMobileText( "PhysicalDisk" ) )
		return m_PhysicalDiskClass;
	else if ( sType == IntelMobileText( "LogicalDisk" ) )
		return m_LogicalDiskClass;
	else if ( sType == IntelMobileText( "Memory" ) )
		return m_MemoryClass;
	else
		throw;
}

//==============================================================================

ServerInstanceObject* StorageClassProvider::CreateInstance( const IntelMobileString& externalKey,
															const IntelMobileString& internalKey,
															const IntelMobileString& sType )
{
	_Log(IntelMobileText("StorageClassProvider::CreateInstance(%s, %s, %s)"),externalKey.c_str(), internalKey.c_str(), sType.c_str());

	ServerInstanceObject* pObject = GetClassObject( sType ).GetInstance( internalKey );
	if ( pObject == NULL )
	{
		IInstanceProvider* pProvider = GetLayer()->GetLayerInstanceProvider( sType, externalKey );
		if ( pProvider != NULL )
		{
			pObject = pProvider->CreateInstance( internalKey );
			if ( pObject != NULL )
			{
				ServerInstanceCollection* pCollection = GetClassObject( sType ).GetInstances();
				pCollection->Add( pObject );
			}
		}
	}

	return pObject;
}

//==============================================================================

DWORD StorageClassProvider::ThreadProc(LPVOID pParam)
{		
	StorageClassProvider *pThis = reinterpret_cast<StorageClassProvider *>(pParam);
	if ( pThis )
		pThis->MonitorProc();

	return 0;
}

bool StorageClassProvider::RegisterThread()
{
	DWORD threadId;
//#ifdef _DEBUG
	_Log(IntelMobileText("StorageClassProvider::RegisterThread()"));
//#endif

	Lock();

	if ( m_bThreadActive == false )
	{
		if ( m_hThreadHandle )
		{
			CloseHandle( m_hThreadHandle );
			m_hThreadHandle = NULL;
		}
		m_hThreadHandle = ::CreateThread( NULL, 0, ThreadProc, this, NULL, &threadId );
		if ( m_hThreadHandle )
			m_bThreadActive = true;
	}

	Unlock();

	return m_bThreadActive;
}

bool StorageClassProvider::UnRegisterThread()
{
//#ifdef _DEBUG
	_Log(IntelMobileText("StorageClassProvider::UnRegisterThread()"));
//#endif

	Lock();

	if ( m_hThreadHandle )
	{
		CloseHandle( m_hThreadHandle );
		m_hThreadHandle = NULL;
		m_bThreadActive = false;
	}

	Unlock();

	return true;
}

void StorageClassProvider::MonitorProc()
{
	while ( m_bThreadActive )
	{
		/*
		int count = 0;

		HANDLE hFlashCard;					// Search handle for storage cards
		WIN32_FIND_DATA wfdFlashCard;		// Structure for storing card information.

		hFlashCard = FindFirstFlashCard( &wfdFlashCard );
		if (hFlashCard != INVALID_HANDLE_VALUE)
		{
			count++;
			while ( FindNextFlashCard(hFlashCard, &wfdFlashCard) )
			{
				count++;
			}
		}

		FindClose( hFlashCard );

		int preCount = this->m_Devices.size();
		if (preCount != count)
		{
			if (preCount > count)
				this->m_PhysicalDiskClass.FireEvent( ServerEvent(ServerEvent::eRemove) );
			else
				this->m_PhysicalDiskClass.FireEvent( ServerEvent(ServerEvent::eAdd) );

			this->Scan();
		}

		::Sleep( 1000 );
		*/
/*		int count = 0;

		store_info_t pinfo, next;
		int ret;

		ret = FindStoreInit();

		ret = FindFirstStore( &pinfo );
		if (ret == 0)
		{
			count++;
			while ((ret = FindNextStore(&pinfo)) == 0 )
			{
				printf("cout num %d\n", count);
				count++;
			}
		}
*/
	vector <IntelMobileString> temp_Devs, temp_Logs;
	list<disk_info_t> diskInfoList;
	if(GetDiskList(diskInfoList))
	{
		list<disk_info_t>::iterator it = diskInfoList.begin();

		for(; it != diskInfoList.end(); it++)
		{
			//find a disk, create Instance
			temp_Devs.push_back( (*it).name );

			disk_info_t diskInfo;
			strncpy(diskInfo.name, (*it).name, 256);

			list<part_info_t> partInfoList;
			if(GetDiskPartitionList(&diskInfo, partInfoList))
			{
				list<part_info_t>::iterator itp = partInfoList.begin();

				for(; itp != partInfoList.end(); itp++)
				{
					temp_Logs.push_back( (*itp).name );
				}
			}
		}
	}

	//2. find the flash
	list<flash_info_t> flashInfoList;

	if(GetInternalFlashList(flashInfoList))
	{
		list<flash_info_t>::iterator it = flashInfoList.begin();

		for(; it != flashInfoList.end(); it++)
		{
			temp_Devs.push_back( (*it).name );
			temp_Logs.push_back( (*it).name );
			//establish the relation
		}
	}

	//3. find network partition
	list<part_info_t> netPartList;

	if(GetNetworkPartitionList(netPartList))
	{
		list<part_info_t>::iterator it = netPartList.begin();

		for(; it != netPartList.end(); it++)
		{
			temp_Logs.push_back( (*it).name );
		}
	}


		int preDevCount = this->m_Devices.size();
		int preLogCount = this->m_Logicals.size();
		int curDevCount = temp_Devs.size();
		int curLogCount = temp_Logs.size();
	//	printf("predevcout %d : prelogcout %d\ncurdevcount %d curlogcout %d\n", preDevCount, preLogCount, curDevCount, curLogCount);
	
		while( curDevCount - preDevCount > 0 )
		{
			this->m_PhysicalDiskClass.FireEvent( ServerEvent(ServerEvent::eAdded) );
			preDevCount++;
		}
		while( curDevCount - preDevCount < 0 )
		{
			this->m_PhysicalDiskClass.FireEvent( ServerEvent(ServerEvent::eRemoved) );
			preDevCount--;
		}
		while( curLogCount - preLogCount > 0 )
		{
			this->m_LogicalDiskClass.FireEvent( ServerEvent(ServerEvent::eAdded) );
			preLogCount++;
		}
		while( curLogCount - preLogCount < 0 )
		{
			this->m_LogicalDiskClass.FireEvent( ServerEvent(ServerEvent::eRemoved) );
			preLogCount--;
		}
/*
		if (preCount != count)
		{
			if (preCount > count)
				this->m_PhysicalDiskClass.FireEvent( ServerEvent(ServerEvent::eRemoved) );
			else
				this->m_PhysicalDiskClass.FireEvent( ServerEvent(ServerEvent::eAdded) );

			this->Scan();
		}
*/
		this->Scan();
	//	FindStoreFini();

		::Sleep( 1000 );

		//TODO: Linux
	}
}