/*
 *
 * @APPLE_LICENSE_HEADER_START@
 *
 * Copyright (c) 1999-2008 Apple Inc.  All Rights Reserved.
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 *
 */
/*
    File:       AdminElements.h

    Contains:   implements various Admin Elements class
                    
    
*/
#ifndef _ADMINQUERY_H_
#define _ADMINQUERY_H_

#ifndef __Win32__
    #include <unistd.h>     /* for getopt() et al */
#endif

#include <time.h>
#include <stdio.h>      /* for qtss_printf */
#include <stdlib.h>     /* for getloadavg & other useful stuff */
#include "QTSSAdminModule.h"
#include "OSArrayObjectDeleter.h"
#include "StringParser.h"
#include "StrPtrLen.h"
#include "QTSSModuleUtils.h"
#include "OSHashTable.h"
#include "OSMutex.h"
#include "StrPtrLen.h"
#include "OSRef.h"


/*
r = recurse -> walk downward in hierarchy 
v = verbose -> return full path in name
a = access -> return read/write access
t = type -> return type of value ** perhaps better not to support
f = filter -> return filter
p = path -> return path
*/


class QueryURI
{
    public:
        
        enum{   eMaxAttributeSize   =  60 , eMaxBufferSize =2048};
        struct URIField
        {
            char                    fFieldName[eMaxAttributeSize + 1];
            UInt32                  fFieldLen;
            SInt32                  fID;
            StrPtrLen*              fData;
        };

        enum 
        { 
            eModuleID   = 0,
            eRootID     = 1,
            eURL        = 2,
            eQuery      = 3,
            eParameters = 4,
            eSnapshot   = 5,
            eCommand    = 6,
            eValue      = 7,
            eType       = 8,
            eAccess     = 9,
            eName       = 10,
            
            eFilter1,
            eFilter2,
            eFilter3,
            eFilter4,
            eFilter5,
            eFilter6,
            eFilter7,
            eFilter8,
            eFilter9,
            eFilter10,
            
            eNumAttributes
        };

        enum //commands
        {
            kGETCommand     =   0, 
            kSETCommand     =   1,
            kADDCommand     =   2,
            kDELCommand     =   3,
            kLastCommand    =   4       
        };

        enum    
        {   
            kRecurseParam   =   1 << 0, 
            kVerboseParam   =   1 << 1,
            kAccessParam    =   1 << 2,
            kTypeParam      =   1 << 3,
            kFilterParam    =   1 << 4,
            kPathParam      =   1 << 5,
            kDebugParam     =   1 << 6,
            kIndexParam     =   1 << 7
        };

        static UInt8 sNotQueryData[];
        static UInt8 sWhiteQuoteOrEOL[];
        static UInt8 sWhitespaceOrQuoteMask[];
        
        static URIField sURIFields[];
        static char *sCommandDefs[];
        
        URIField *fURIFieldsPtr;
        
        void URLParse(StrPtrLen *inStream);
        
        void SetQueryData()             { if (fIsAdminQuery) { SetSnapShot(); SetParamBits(0); SetCommand(); SetAccessFlags(); } }  
        
        StrPtrLen*  GetModuleID()       { return    fURIFieldsPtr[eModuleID].fData;     };
        StrPtrLen*  GetRootID()         { return    fURIFieldsPtr[eRootID].fData;       };
        StrPtrLen*  GetURL()            { return    fURIFieldsPtr[eURL].fData;          };
        StrPtrLen*  GetQuery()          { return    fURIFieldsPtr[eQuery].fData;        };
        StrPtrLen*  GetParameters()     { return    fURIFieldsPtr[eParameters].fData;   };
        StrPtrLen*  GetSnapshot()       { return    fURIFieldsPtr[eSnapshot].fData;     };
        
        StrPtrLen*  GetCommand()        { return    fURIFieldsPtr[eCommand].fData;  };
        StrPtrLen*  GetValue()          { return    fURIFieldsPtr[eValue].fData;    };
        StrPtrLen*  GetType()           { return    fURIFieldsPtr[eType].fData;     };
        StrPtrLen*  GetAccess()         { return    fURIFieldsPtr[eAccess].fData;   };
        StrPtrLen*  GetName()           { return    fURIFieldsPtr[eName].fData;     };
        StrPtrLen*  GetFilter(UInt32 index) { return fURIFieldsPtr[eFilter1 + index].fData; };
        
        StrPtrLen*  GetEvalMsg()        { return    &fQueryEvalMessage;                 };

        UInt32      GetAccessFlags()    { return    fAccessFlags;                       };
        UInt32      GetSnapshotID()     { return    fSnapshotID;                        };
        UInt32      GetParamBits()      { return    fParamBits;                         };
        Bool16      IsAdminQuery()      { return    fIsAdminQuery;                      };
        Bool16      UseSnapShot()       { return    fUseSnapShot;                       };
    
        Bool16      RecurseParam()      { return    (Bool16) ( (fParamBits & kRecurseParam) != 0); };
        Bool16      VerboseParam()      { return    (Bool16) ( (fParamBits & kVerboseParam) != 0); };
        Bool16      AccessParam()       { return    (Bool16) ( (fParamBits & kAccessParam) != 0);  };
        Bool16      TypeParam()         { return    (Bool16) ( (fParamBits & kTypeParam) != 0);    };
        Bool16      FilterParam()       { return    (Bool16) ( (fParamBits & kFilterParam) != 0);  };
        Bool16      PathParam()         { return    (Bool16) ( (fParamBits & kPathParam) != 0);    };
        Bool16      DebugParam()        { return    (Bool16) ( (fParamBits & kDebugParam) != 0);    };
        Bool16      IndexParam()        { return    (Bool16) ( (fParamBits & kIndexParam) != 0);    };
        void        SetQueryHasResponse()   { fQueryHasResponse =true; };
        Bool16      QueryHasReponse()       { if (fQueryEvalResult > 0) return true; else return fQueryHasResponse; };
        UInt32      GetEvaluResult()        { return fQueryEvalResult;  };
        StrPtrLen*  NextSegment(StrPtrLen *currentPathPtr, StrPtrLen *outNextPtr);
        void        SetAccessFlags();
        void        SetParamBits(UInt32 forcebits);
        void        SetSnapShot();
        SInt32      GetCommandID()      { return    fTheCommand;};

        char        fLastPath[1024];
        QueryURI (StrPtrLen *inStream);
        ~QueryURI();
        UInt32      EvalQuery(UInt32 *forceResultPtr, char *forceMessagePtr);
        
        char        fQueryMessageBuff[1024];
        Bool16      fIsPref;
        SInt16      fNumFilters;
        Bool16      fHasQuery;
    private:
        char        fURIBuffer[QueryURI::eMaxBufferSize];   
        char        fQueryBuffer[QueryURI::eMaxBufferSize]; 
        StrPtrLen   fURIFieldSPL[QueryURI::eNumAttributes];
        StrPtrLen   fAdminFullURI; 
        UInt32      fParamBits;
        UInt32      fSnapshotID;
        UInt32      fAccessFlags;
        Bool16      fIsAdminQuery;
        Bool16      fUseSnapShot;
        StrPtrLen   fCurrentPath;
        StrPtrLen   fNext;
        Bool16      fQueryHasResponse;
        UInt32      fQueryEvalResult;
        StrPtrLen   fQueryEvalMessage;
        SInt32      fTheCommand;
        void        SetCommand();
        void        ParseURLString(StringParser *parserPtr,StrPtrLen *urlPtr);
        void        ParseQueryString(StringParser *parserPtr,StrPtrLen *urlPtr);
        
        UInt32      CheckInvalidIterator(char* evalMessageBuff);
        UInt32      CheckInvalidArrayIterator(char* evalMessageBuff);
        UInt32      CheckInvalidRecurseParam(char* evalMessageBuff);
};


#endif // _ADMINQUERY_H_