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108 lines
4.3 KiB
108 lines
4.3 KiB
//
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// MODULE: TSMapClient.cpp
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//
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// PURPOSE: Part of launching a Local Troubleshooter from an arbitrary NT5 application
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// Class TSMapClient is available at runtime for mapping from the application's
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// way of naming a problem to the Troubleshooter's way.
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// Only a single thread should operate on any one object of class TSMapClient. The object is not
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// threadsafe.
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// In addition to the overtly noted returns, many methods can return a preexisting error.
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// However, if the calling program has wishes to ignore an error and continue, we
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// recommend an explicit call to inherited method ClearStatus().
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// Note that the mapping file is always strictly SBCS (Single Byte Character Set), but the
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// calls into this code may use Unicode. This file consequently mixes char and TCHAR.
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//
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// COMPANY: Saltmine Creative, Inc. (206)-633-4743 [email protected]
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//
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// AUTHOR: Joe Mabel
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//
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// ORIGINAL DATE: 2-26-98
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//
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//
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// Version Date By Comments
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//--------------------------------------------------------------------
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// V0.1 - JM Original
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///////////////////////
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#ifndef _TSMAPCLIENT_
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#define _TSMAPCLIENT_ 1
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// ----------------- TSMapClient ---------------
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// Class providing mapping methods which will be available
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// at runtime when launching a troubleshooter.
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class TSMapClient: public TSMapRuntimeAbstract {
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public:
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TSMapClient(const TCHAR * const sztMapFile);
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~TSMapClient();
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DWORD Initialize();
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private:
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// redefined inherited methods
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DWORD ClearAll ();
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DWORD SetApp (const TCHAR * const sztApp);
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DWORD SetVer (const TCHAR * const sztVer);
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DWORD SetProb (const TCHAR * const sztProb);
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DWORD SetDevID (const TCHAR * const sztDevID);
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DWORD SetDevClassGUID (const TCHAR * const sztDevClassGUID);
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DWORD FromProbToTS (TCHAR * const sztTSBN, TCHAR * const sztNode );
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DWORD FromDevToTS (TCHAR * const sztTSBN, TCHAR * const sztNode );
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DWORD FromDevClassToTS (TCHAR * const sztTSBN, TCHAR * const sztNode );
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DWORD ApplyDefaultVer();
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bool HardMappingError (DWORD dwStatus);
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UID GetGenericMapToUID (const TCHAR * const sztName, DWORD dwOffFirst, DWORD dwOffLast,
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bool bAlphaOrder);
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DWORD SetFilePointerAbsolute( DWORD dwMoveTo );
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bool Read(LPVOID lpBuffer, DWORD nNumberOfBytesToRead, LPDWORD lpNumberOfBytesRead);
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bool ReadUIDMap (UIDMAP &uidmap, DWORD &dwPosition, bool bSetPosition = false);
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bool ReadAppMap (APPMAP &appmap, DWORD &dwPosition, bool bSetPosition = false);
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bool ReadVerMap (VERMAP &vermap, DWORD &dwPosition, bool bSetPosition = false);
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bool ReadProbMap (PROBMAP &probmap, DWORD &dwPosition, bool bSetPosition = false);
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bool ReadDevMap (DEVMAP &devmap, DWORD &dwPosition, bool bSetPosition = false);
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bool ReadDevClassMap (DEVCLASSMAP &devclassmap, DWORD &dwPosition, bool bSetPosition = false);
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bool ReadString (char * sz, DWORD cbMax, DWORD &dwPosition, bool bSetPosition);
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private:
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TCHAR m_sztMapFile[BUFSIZE]; // pathname of file from which to draw mappings
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HANDLE m_hMapFile; // corresponding handle
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TSMAPFILEHEADER m_header; // header portion of map file
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// If we satisf ourselves that the SQL Server database used in preparing the mapping file
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// will produce the collating order we want, we could gain some runtime efficiency
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// by setting the following true: when we are reading through a file for a match, we
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// could bail if we got past it.
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bool m_bAppAlphaOrder;
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bool m_bVerAlphaOrder;
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bool m_bDevIDAlphaOrder;
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bool m_bDevClassGUIDAlphaOrder;
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bool m_bProbAlphaOrder;
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// NOTE: because the mapping file is strictly SBCS, so are the cache values. Typically,
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// this requires conversion between these values and Unicode arguments to methods.
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// Cache info about selected app. This lets us know (for example) at what offset
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// to start a search for relevant versions.
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char m_szApp[BUFSIZE];
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APPMAP m_appmap;
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// Cache info about selected version. This lets us know (for example) at what offset
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// to start a search for relevant mappings to troubleshooting belief networks.
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char m_szVer[BUFSIZE];
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VERMAP m_vermap;
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// Cache info about selected device (just name & UID)
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char m_szDevID[BUFSIZE];
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UID m_uidDev;
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// Cache info about selected device class (just name -- a string representing a GUID --
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// & UID)
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char m_szDevClassGUID[BUFSIZE];
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UID m_uidDevClass;
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// Cache info about selected problem (just name & UID)
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char m_szProb[BUFSIZE];
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UID m_uidProb;
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};
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#endif // _TSMAPCLIENT_
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