306 lines
11 KiB
C++
306 lines
11 KiB
C++
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//
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// MODULE: TSMapAbstract.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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// Data types and abstract classes for mapping from the application's way of naming
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// a problem to the Troubleshooter's way.
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// Implements the few concrete methods of abstract base class TSMapRuntimeAbstract.
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//
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// COMPANY: Saltmine Creative, Inc. (206)-633-4743 support@saltmine.com
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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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#include "stdafx.h"
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#include "TSLError.h"
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#include "RSSTACK.H"
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#include "TSMapAbstract.h"
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TSMapRuntimeAbstract::TSMapRuntimeAbstract()
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{
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m_dwStatus= 0;
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}
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TSMapRuntimeAbstract::~TSMapRuntimeAbstract()
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{
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}
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DWORD TSMapRuntimeAbstract::ClearAll()
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{
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m_stkStatus.RemoveAll();
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return 0;
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}
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// Given application, version, & problem, return troubleshooter & (optionally) problem node
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// In order to succeed:
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// - application must be an application known in the mapping file
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// - version must be a known version of that application (including an empty string for
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// the "blank version"
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// - problem must be the name or number of a defined problem either for that application
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// and version or for that application and some version down the chain of version
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// defaults.
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// May return
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// 0 (OK)
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// TSL_ERROR_UNKNOWN_APP
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// TSL_ERROR_UNKNOWN_VER
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// TSL_WARNING_UNKNOWN_APPPROBLEM - couldn't find a UID for this problem, so we can't
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// do this mapping
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// TSL_ERROR_NO_NETWORK - even after applying all default versions, there is no mapping.
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// May also return a hard mapping error specific to the implementation of the concrete class
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DWORD TSMapRuntimeAbstract::FromAppVerProbToTS (
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const TCHAR * const szApp, const TCHAR * const szVer, const TCHAR * const szProb,
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TCHAR * const szTSBN, TCHAR * const szNode)
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{
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if ( SetApp (szApp) == 0 && SetVer (szVer) == 0 && SetProb (szProb) == 0)
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{
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while ( FromProbToTS (szTSBN, szNode) == TSL_ERROR_NO_NETWORK
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&& ApplyDefaultVer() == 0 )
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{
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// do nothing; it's all in the while-condition
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}
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}
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return m_dwStatus;
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}
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// Given application, version, device ID & (optionally) problem, return troubleshooter
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// & (independently optional) problem node
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// In order to succeed:
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// - application & version as in TSMapRuntimeAbstract::FromAppVerProbToTS
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// - the Device ID/Problem pair must be defined either for that application and version
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// or for that application and some version down the chain of version defaults.
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// The szProb may be an empty string, meaning we want the mapping for this device and
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// no specified problem.
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// May return
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// 0 (OK)
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// TSL_ERROR_UNKNOWN_APP
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// TSL_ERROR_UNKNOWN_VER
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// TSL_WARNING_UNKNOWN_APPPROBLEM - couldn't find a UID for this problem, so we can't
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// do this mapping. Note that there if there are any defined mappings independent of
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// problem, there will be a UID for the null string as a problem name. That will
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// not yield a warning. That's just dandy.
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// TSL_WARNING_BAD_DEV_ID - couldn't find a UID for this device, so we can't
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// do this mapping
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// TSL_ERROR_NO_NETWORK - even after applying all default versions, there is no mapping.
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// May also return a hard mapping error specific to the implementation of the concrete class
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DWORD TSMapRuntimeAbstract::FromAppVerDevIDToTS (
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const TCHAR * const szApp, const TCHAR * const szVer,
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const TCHAR * const szDevID, const TCHAR * const szProb,
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TCHAR * const szTSBN, TCHAR * const szNode)
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{
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if ( SetApp (szApp) == 0 && SetVer (szVer) == 0
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&& SetDevID (szDevID) == 0 && SetProb (szProb) == 0 )
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{
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while ( FromDevToTS (szTSBN, szNode) == TSL_ERROR_NO_NETWORK
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&& ApplyDefaultVer() == 0 )
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{
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// do nothing; it's all in the while-condition
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}
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}
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return m_dwStatus;
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}
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// Given application, version, Device Class GUID & (optionally) problem, return troubleshooter
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// & (independently optional) problem node
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// In order to succeed:
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// - application & version as in TSMapRuntimeAbstract::FromAppVerProbToTS
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// - the Device Class GUID/Problem pair must be defined either for that application and version
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// or for that application and some version down the chain of version defaults.
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// The szProb may be an empty string, meaning we want the mapping for this device and
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// no specified problem.
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// May return
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// 0 (OK)
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// TSL_ERROR_UNKNOWN_APP
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// TSL_ERROR_UNKNOWN_VER
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// TSL_WARNING_UNKNOWN_APPPROBLEM - couldn't find a UID for this problem, so we can't
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// do this mapping. Note that there if there are any defined mappings independent of
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// problem, there will be a UID for the null string as a problem name. That will
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// not yield a warning. That's just dandy.
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// TSL_WARNING_BAD_CLASS_GUID - couldn't find a UID for this Device Class GUID, so we can't
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// do this mapping
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// TSL_ERROR_NO_NETWORK - even after applying all default versions, there is no mapping.
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// May also return a hard mapping error specific to the implementation of the concrete class
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DWORD TSMapRuntimeAbstract::FromAppVerDevClassGUIDToTS (
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const TCHAR * const szApp, const TCHAR * const szVer,
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const TCHAR * const szDevClassGUID, const TCHAR * const szProb,
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TCHAR * const szTSBN, TCHAR * const szNode)
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{
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if ( SetApp (szApp) == 0 && SetVer (szVer) == 0
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&& SetDevClassGUID (szDevClassGUID) == 0 && SetProb (szProb) == 0 )
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{
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while ( FromDevClassToTS (szTSBN, szNode) == TSL_ERROR_NO_NETWORK
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&& ApplyDefaultVer() == 0 )
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{
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// do nothing; it's all in the while-condition
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}
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}
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return m_dwStatus;
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}
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// Given application, version, & at least one of
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// - problem
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// - device ID
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// - device class GUID
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// return troubleshooter & (optionally) problem node
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// In order to succeed:
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// - application must be an application known in the mapping file
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// - version must be a known version of that application (including an empty string for
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// the "blank version"
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// - There must be a mapping defined either for this problem, device ID, or device class
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// GUID alone, or for the combination of the problem & either the device ID or the
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// device class GUID, in conjunction with either that application and version
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// or for that application and some version down the chain of version defaults.
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// If there is more than one possible match, the algorithm dictates the following
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// priorities:
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// If there is an szProblem :
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// 1. szProblem with no associated device information (the "standard" mapping)
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// 2. szProblem and szDeviceID
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// 3. szProblem and pguidClass
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// 4. szDeviceID with no associated problem
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// 5. pguidClass with no associated problem
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// Otherwise
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// 1. szDeviceID with no associated problem
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// 2. pguidClass with no associated problem
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// Within each of these groupings, we follow up version defaults before we try the
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// next grouping.
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// May return
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// 0 (OK)
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// TSL_ERROR_UNKNOWN_APP
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// TSL_ERROR_UNKNOWN_VER
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// TSL_ERROR_NO_NETWORK - even after applying all default versions, there is no mapping.
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// May also return a hard mapping error specific to the implementation of the concrete class
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// In the case where we return 0 (OK) or TSL_ERROR_NO_NETWORK, the caller will want to consult
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// MoreStatus() for more detailed errors/warnings. In the other cases, the returned status
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// overwhelms any possible interest in other errors/warnings.
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DWORD TSMapRuntimeAbstract::FromAppVerDevAndClassToTS (
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const TCHAR * const szApp, const TCHAR * const szVer,
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const TCHAR * const szDevID, const TCHAR * const szDevClassGUID,
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const TCHAR * const szProb,
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TCHAR * const szTSBN, TCHAR * const szNode)
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{
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UID uidProb = uidNil;
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// keep some status info around so we don't ever notify of the same problem twice
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bool bBadProb = false;
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bool bCantUseProb = false;
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bool bBadDev = false;
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bool bBadDevClass = false;
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if (! HardMappingError (m_dwStatus) )
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ClearAll();
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if (! m_dwStatus)
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{
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if (szProb && *szProb)
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{
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// try problem name without device info.
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m_dwStatus = FromAppVerProbToTS (szApp, szVer, szProb, szTSBN, szNode);
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bBadProb = (m_dwStatus == TSL_WARNING_UNKNOWN_APPPROBLEM);
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if (DifferentMappingCouldWork (m_dwStatus))
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{
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// try the device ID + problem
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m_dwStatus = FromAppVerDevIDToTS (szApp, szVer, szDevID, szProb,
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szTSBN, szNode);
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bBadDev = (m_dwStatus == TSL_WARNING_BAD_DEV_ID);
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}
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if (DifferentMappingCouldWork (m_dwStatus))
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{
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// try the device class GUID + problem
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m_dwStatus = FromAppVerDevClassGUIDToTS (szApp, szVer, szDevClassGUID, szProb,
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szTSBN, szNode);
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bBadDevClass = (m_dwStatus == TSL_WARNING_BAD_CLASS_GUID);
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}
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// If we're still trying to map it, we couldn't make use of the problem name
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bCantUseProb = (DifferentMappingCouldWork(m_dwStatus));
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}
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else
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m_dwStatus = TSL_ERROR_NO_NETWORK;
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if (DifferentMappingCouldWork (m_dwStatus))
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{
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// try the device ID alone
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m_dwStatus = FromAppVerDevIDToTS (szApp, szVer, szDevID, NULL, szTSBN, szNode);
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bBadDev |= (m_dwStatus == TSL_WARNING_BAD_DEV_ID);
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}
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if (DifferentMappingCouldWork (m_dwStatus))
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{
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// try the device class GUID alone
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m_dwStatus = FromAppVerDevClassGUIDToTS (szApp, szVer, szDevClassGUID, NULL,
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szTSBN, szNode);
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bBadDevClass |= (m_dwStatus == TSL_WARNING_BAD_CLASS_GUID);
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}
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if (DifferentMappingCouldWork(m_dwStatus))
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m_dwStatus = TSL_ERROR_NO_NETWORK;
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}
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if (bBadProb
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&& AddMoreStatus(TSL_WARNING_UNKNOWN_APPPROBLEM) == TSL_ERROR_OUT_OF_MEMORY)
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m_dwStatus = TSL_ERROR_OUT_OF_MEMORY;
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if (bCantUseProb && !bBadProb
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&& AddMoreStatus(TSL_WARNING_UNUSED_APPPROBLEM) == TSL_ERROR_OUT_OF_MEMORY)
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m_dwStatus = TSL_ERROR_OUT_OF_MEMORY;
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if (bBadDev
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&& AddMoreStatus(TSL_WARNING_BAD_DEV_ID) == TSL_ERROR_OUT_OF_MEMORY)
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m_dwStatus = TSL_ERROR_OUT_OF_MEMORY;
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if (bBadDevClass
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&& AddMoreStatus(TSL_WARNING_BAD_CLASS_GUID) == TSL_ERROR_OUT_OF_MEMORY)
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m_dwStatus = TSL_ERROR_OUT_OF_MEMORY;
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return m_dwStatus;
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}
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// certain statuses are "basically healthy" returns, meaning, "no, this particular mapping
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// doesn't exist, but there's nothing here to rule out the possibility of another mapping."
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// Those return true on this function.
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// Note that dwStatus == 0 (OK) returns false because
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// if we already had a successful mapping, we don't want to try another.
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bool TSMapRuntimeAbstract::DifferentMappingCouldWork (DWORD dwStatus)
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{
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switch (dwStatus)
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{
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case TSL_ERROR_NO_NETWORK:
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case TSL_WARNING_BAD_DEV_ID:
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case TSL_WARNING_BAD_CLASS_GUID:
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case TSL_WARNING_UNKNOWN_APPPROBLEM:
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case TSM_STAT_UID_NOT_FOUND:
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case TSL_WARNING_END_OF_VER_CHAIN:
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return true;
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default:
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return false;
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}
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}
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bool TSMapRuntimeAbstract::HardMappingError (DWORD dwStatus)
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{
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return (dwStatus == TSL_ERROR_OUT_OF_MEMORY);
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}
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// Add this status to the list of warnings.
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// Normally returns 0, but can theoretically return TSL_ERROR_OUT_OF_MEMORY
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inline DWORD TSMapRuntimeAbstract::AddMoreStatus(DWORD dwStatus)
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{
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if (m_stkStatus.Push(dwStatus) == -1)
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return TSL_ERROR_OUT_OF_MEMORY;
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else
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return 0;
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}
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