101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
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// HSCardCtx.cpp -- Handle Smart Card Context wrapper class implementation
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// (c) Copyright Schlumberger Technology Corp., unpublished work, created
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// 1999. This computer program includes Confidential, Proprietary
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// Information and is a Trade Secret of Schlumberger Technology Corp. All
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// use, disclosure, and/or reproduction is prohibited unless authorized
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// in writing. All Rights Reserved.
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#include <scuOsExc.h>
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#include "HSCardCtx.h"
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/////////////////////////// HELPER /////////////////////////////////
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/////////////////////////// LOCAL VAR /////////////////////////////////
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namespace
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{
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SCARDCONTEXT const sccNil = 0;
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} // namespace
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/////////////////////////// PUBLIC /////////////////////////////////
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// Types
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// C'tors/D'tors
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HSCardContext::HSCardContext()
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: m_scc(sccNil)
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{
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}
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HSCardContext::~HSCardContext()
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{
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if (m_scc)
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{
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try
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{
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Release();
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}
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catch (...) // destructors should not throw exceptions
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{
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}
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}
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}
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// Operators
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// Operations
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void
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HSCardContext::Establish(DWORD dwScope)
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{
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DWORD dwErrorCode = SCardEstablishContext(dwScope, NULL, NULL,
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&m_scc);
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if (SCARD_S_SUCCESS != dwErrorCode)
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throw scu::OsException(dwErrorCode);
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}
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void
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HSCardContext::Release()
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{
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if (m_scc)
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{
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SCARDCONTEXT old = m_scc;
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m_scc = sccNil;
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DWORD dwErrorCode = SCardReleaseContext(old);
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if (SCARD_S_SUCCESS != dwErrorCode)
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throw scu::OsException(dwErrorCode);
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}
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}
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// Access
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SCARDCONTEXT
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HSCardContext::AsSCARDCONTEXT() const
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{
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return m_scc;
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}
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// Predicates
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// Static Variables
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/////////////////////////// PROTECTED /////////////////////////////////
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// C'tors/D'tors
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// Operators
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// Operations
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// Access
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// Predicates
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// Static Variables
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/////////////////////////// PRIVATE /////////////////////////////////
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// C'tors/D'tors
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// Operators
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// Operations
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// Access
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// Predicates
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// Static Variables
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