123 lines
4.4 KiB
C++
123 lines
4.4 KiB
C++
//
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// MODULE: DirMonitor.h
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//
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// PURPOSE: Monitor changes to LST, DSC, HTI, BES files.
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//
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// COMPANY: Saltmine Creative, Inc. (206)-284-7511 support@saltmine.com
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//
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// AUTHOR: Joe Mabel
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//
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// ORIGINAL DATE: 9-17-98
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//
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// NOTES:
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// 1. It would be equally appropriate for CDirectoryMonitor to inherit from CTopicShop
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// instead of having a member of type CDirectoryMonitor. Really an arbitrary choice.
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//
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// Version Date By Comments
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//--------------------------------------------------------------------
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// V3.0 09-17-98 JM
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//
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#if !defined(AFX_DIRMONITOR_H__493CF34D_4E79_11D2_95F8_00C04FC22ADD__INCLUDED_)
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#define AFX_DIRMONITOR_H__493CF34D_4E79_11D2_95F8_00C04FC22ADD__INCLUDED_
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#if _MSC_VER >= 1000
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#pragma once
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#endif // _MSC_VER >= 1000
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#include "TopicShop.h"
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#include "FileTracker.h"
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class CTopicFileTracker: public CFileTracker
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{
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private:
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CTopicInfo m_topicinfo;
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public:
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CTopicFileTracker();
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~CTopicFileTracker();
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void AddTopicInfo(const CTopicInfo & topicinfo);
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const CTopicInfo & GetTopicInfo() const;
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};
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class CTemplateFileTracker: public CFileTracker
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{
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private:
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CString m_strTemplateName;
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public:
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CTemplateFileTracker();
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~CTemplateFileTracker();
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void AddTemplateName( const CString & strTemplateName );
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const CString& GetTemplateName() const;
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};
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const CString k_strErrorTemplateFileName = _T("ErrorTemplate.hti");
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const CString k_strDefaultErrorTemplateBefore =
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_T("<HTML><HEAD><TITLE>AP GTS Error</TITLE></HEAD>")
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_T("<BODY BGCOLOR=#FFFFFF><H1>AP GTS reports an Error</H1>");
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const CString k_strErrorTemplateKey = _T("$Error");
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const CString k_strDefaultErrorTemplateAfter = _T("</BODY></HTML>");
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class CDirectoryMonitor : public CStateless
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{
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public:
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enum ThreadStatus{eBeforeInit, eFail, eWaitDirPath, eWaitChange, eWaitSettle,
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eRun, eBeforeWaitChange, eExiting};
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static CString ThreadStatusText(ThreadStatus ts);
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private:
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CTopicShop & m_TopicShop;
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CSimpleTemplate * m_pErrorTemplate; // template for reporting error messages (regardless
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// of topic)
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CString m_strDirPath; // Directory to monitor
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bool m_bDirPathChanged;
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CString m_strLstPath; // LST file (always in directory m_strDirPath)
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CString m_strErrorTemplatePath; // Error template file (always in directory m_strDirPath)
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CFileTracker * m_pTrackLst;
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CFileTracker * m_pTrackErrorTemplate;
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vector<CTopicFileTracker> m_arrTrackTopic;
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vector<CTemplateFileTracker> m_arrTrackTemplate;
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CAPGTSLSTReader * m_pLst; // current LST file contents
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HANDLE m_hThread;
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HANDLE m_hevMonitorRequested; // event to wake up DirectoryMonitorTask
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// this allows it to be wakened other than
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// by the directory change event. Currently used
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// for shutdown or change of directory.
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HANDLE m_hevThreadIsShut; // event just to indicate exit of DirectoryMonitorTask thread
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bool m_bShuttingDown; // lets topic directory monitor thread know we're shutting down
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DWORD m_secsReloadDelay; // number of second to let directory "settle down"
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// before we start to update topics.
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DWORD m_dwErr; // status from starting the thread
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ThreadStatus m_ThreadStatus;
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time_t m_time; // time last changed ThreadStatus. Initialized
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// to zero ==> unknown
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CString m_strTopicName; // This string is ignored in the Online Troubleshooter.
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// Done under the guise of binary compatibility.
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public:
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CDirectoryMonitor(CTopicShop & TopicShop, const CString& strTopicName ); // strTopicName is ignored in the Online Troubleshooter.
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// Done under the guise of binary compatibility.
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~CDirectoryMonitor();
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void SetReloadDelay(DWORD secsReloadDelay);
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void SetResourceDirectory(const CString & strDirPath);
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void CreateErrorPage(const CString & strError, CString& out) const;
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DWORD GetStatus(ThreadStatus &ts, DWORD & seconds) const;
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void AddTemplateToTrack( const CString& strTemplateName );
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private:
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CDirectoryMonitor(); // do not instantiate
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void SetThreadStatus(ThreadStatus ts);
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// just for use by own destructor
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void ShutDown();
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// functions for use by the DirectoryMonitorTask thread.
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void Monitor();
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void LstFileDrivesTopics();
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void ReadErrorTemplate();
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void AckShutDown();
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// main function of the DirectoryMonitorTask thread.
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static UINT WINAPI DirectoryMonitorTask(LPVOID lpParams);
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};
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#endif // !defined(AFX_DIRMONITOR_H__493CF34D_4E79_11D2_95F8_00C04FC22ADD__INCLUDED_)
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