113 lines
2.4 KiB
C
113 lines
2.4 KiB
C
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1999.
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//
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// File: D I A G C T X . H
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//
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// Contents: Implements the optional diagnostic context used by
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// CNetConfig.
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//
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// Notes:
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//
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// Author: shaunco 10 Feb 1999
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include <tracetag.h>
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enum DIAG_FLAGS
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{
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DF_SHOW_CONSOLE_OUTPUT = 0x00000001,
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DF_DONT_START_SERVICES = 0x00000002,
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DF_DONT_DO_PNP_BINDS = 0x00000004,
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DF_SUPRESS_E_NEED_REBOOT = 0x00000010,
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DF_REPAIR_REGISTRY_BINDINGS = 0x00000020,
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};
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// This structure is allocated dynamically by CDiagContext. Place anything
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// big in this structure (as opposed to CDiagContext) so that the size of
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// CNetConfig is not directly increased.
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//
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struct DIAG_CONTEXT
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{
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CHAR szPrintBuffer [4096];
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};
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class CDiagContext
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{
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private:
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DWORD m_dwFlags; // DIAG_FLAGS
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DIAG_CONTEXT* m_pCtx;
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FILE* m_pLogFile; // optional, and not owned by this class.
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PVOID m_pvScratchBuffer;
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DWORD m_cbScratchBuffer;
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public:
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CDiagContext ()
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{
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m_dwFlags = 0;
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m_pCtx = NULL;
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m_pLogFile = NULL;
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m_pvScratchBuffer = NULL;
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m_cbScratchBuffer = 0;
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}
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~CDiagContext ()
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{
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MemFree (m_pCtx);
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MemFree (m_pvScratchBuffer);
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// Do not close m_pLogFile. It is not owned by this class.
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}
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VOID
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SetFlags (
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DWORD dwFlags /* DIAG_FLAGS */);
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VOID
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SetLogFile (
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FILE* pLogFile OPTIONAL)
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{
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m_pLogFile = pLogFile;
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}
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DWORD
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Flags () const;
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FILE *
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LogFile () const
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{
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return m_pLogFile;
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}
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PVOID
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GetScratchBuffer (
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OUT PDWORD pcbSize) const
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{
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*pcbSize = m_cbScratchBuffer;
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return m_pvScratchBuffer;
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}
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PVOID
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GrowScratchBuffer (
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IN OUT PDWORD pcbNewSize)
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{
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MemFree(m_pvScratchBuffer);
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m_pvScratchBuffer = MemAlloc (*pcbNewSize);
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m_cbScratchBuffer = (m_pvScratchBuffer) ? *pcbNewSize : 0;
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*pcbNewSize = m_cbScratchBuffer;
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return m_pvScratchBuffer;
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}
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VOID
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Printf (
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TRACETAGID ttid,
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PCSTR pszFormat,
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...);
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};
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extern CDiagContext* g_pDiagCtx;
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