XrdCl::CheckSumHelper Class Reference

Check sum helper for stdio. More...

#include <XrdClCheckSumHelper.hh>

Collaboration diagram for XrdCl::CheckSumHelper:

Public Member Functions
	CheckSumHelper (const std::string &name, const std::string &ckSumType)
	Constructor. More...
virtual	~CheckSumHelper ()
	Destructor. More...
XRootDStatus	GetCheckSum (std::string &checkSum, std::string &checkSumType)
template<typename T >
XRootDStatus	GetRawCheckSum (const std::string &checkSumType, T &value)
const std::string &	GetType ()
XRootDStatus	Initialize ()
	Initialize. More...
void	Update (const void *buffer, uint32_t size)

Detailed Description

Check sum helper for stdio.

Definition at line 25 of file XrdClCheckSumHelper.hh.

Constructor & Destructor Documentation

CheckSumHelper()

XrdCl::CheckSumHelper::CheckSumHelper ( const std::string &  name, const std::string &  ckSumType  )

inline

Constructor.

Definition at line 31 of file XrdClCheckSumHelper.hh.

                                                  :
        pName( name ),
        pCkSumType( ckSumType ),
        pCksCalcObj( 0 )
      {};

~CheckSumHelper()

virtual XrdCl::CheckSumHelper::~CheckSumHelper ( )

inlinevirtual

Destructor.

Definition at line 41 of file XrdClCheckSumHelper.hh.

      {
        delete pCksCalcObj;
      }

Member Function Documentation

GetCheckSum()

XRootDStatus XrdCl::CheckSumHelper::GetCheckSum ( std::string &  checkSum, std::string &  checkSumType  )

inline

Definition at line 86 of file XrdClCheckSumHelper.hh.

      {
        using namespace XrdCl;
        Log *log = DefaultEnv::GetLog();
 
        int calcSize = 0;
        auto st = GetCheckSumImpl( checkSumType, calcSize );
        if( !st.IsOK() ) return st;
 
        //----------------------------------------------------------------------
        // Response
        //----------------------------------------------------------------------
        XrdCksData ckSum;
        ckSum.Set( checkSumType.c_str() );
        ckSum.Set( (void*)pCksCalcObj->Final(), calcSize );
        char *cksBuffer = new char[265];
        ckSum.Get( cksBuffer, 256 );
        checkSum  = checkSumType + ":";
        checkSum += Utils::NormalizeChecksum( checkSumType, cksBuffer );
        delete [] cksBuffer;
 
        log->Dump( UtilityMsg, "Checksum for %s is: %s", pName.c_str(),
                   checkSum.c_str() );
        return XRootDStatus();
      }

References XrdCl::Log::Dump(), XrdCksData::Get(), XrdCl::DefaultEnv::GetLog(), XrdCl::Utils::NormalizeChecksum(), XrdCksData::Set(), and XrdCl::UtilityMsg.

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GetRawCheckSum()

template<typename T >

XRootDStatus XrdCl::CheckSumHelper::GetRawCheckSum ( const std::string &  checkSumType, T &  value  )

inline

Definition at line 114 of file XrdClCheckSumHelper.hh.

      {
        int calcSize = 0;
        auto st = GetCheckSumImpl( checkSumType, calcSize );
        if( !st.IsOK() ) return st;
        if( sizeof( T ) != calcSize )
          return XRootDStatus( stError, errInvalidArgs, 0,
                                      "checksum size mismatch" );
        value = *reinterpret_cast<T*>( pCksCalcObj->Final() );
        return XRootDStatus();
      }

References XrdCl::errInvalidArgs, XrdCksCalc::Final(), and XrdCl::stError.

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GetType()

const std::string& XrdCl::CheckSumHelper::GetType ( )

inline

Definition at line 126 of file XrdClCheckSumHelper.hh.

      {
        return pCkSumType;
      }

Initialize()

XRootDStatus XrdCl::CheckSumHelper::Initialize ( )

inline

Initialize.

Definition at line 49 of file XrdClCheckSumHelper.hh.

      {
        if( pCkSumType.empty() )
          return XRootDStatus();
 
        Log             *log    = DefaultEnv::GetLog();
        CheckSumManager *cksMan = DefaultEnv::GetCheckSumManager();
 
        if( !cksMan )
        {
          log->Error( UtilityMsg, "Unable to get the checksum manager" );
          return XRootDStatus( stError, errInternal );
        }
 
        pCksCalcObj = cksMan->GetCalculator( pCkSumType );
        if( !pCksCalcObj )
        {
          log->Error( UtilityMsg, "Unable to get a calculator for %s",
                      pCkSumType.c_str() );
          return XRootDStatus( stError, errCheckSumError );
        }
 
        return XRootDStatus();
      }

References XrdCl::errCheckSumError, XrdCl::errInternal, XrdCl::Log::Error(), XrdCl::CheckSumManager::GetCalculator(), XrdCl::DefaultEnv::GetCheckSumManager(), XrdCl::DefaultEnv::GetLog(), XrdCl::stError, and XrdCl::UtilityMsg.

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Update()

void XrdCl::CheckSumHelper::Update ( const void *  buffer, uint32_t  size  )

inline

Definition at line 77 of file XrdClCheckSumHelper.hh.

      {
        if( pCksCalcObj )
          pCksCalcObj->Update( (const char *)buffer, size );
      }

References XrdCksCalc::Update().

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The documentation for this class was generated from the following file:

• XrdClCheckSumHelper.hh