rm_DB Class Reference
[Resource Manager Database Library]

#include <rmdb.h>

List of all members.

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Detailed Description

Definition at line 770 of file rmdb.h.

Public Member Functions
void	Connect ()
void	Disconnect ()
Private Member Functions
bool	Init ()
bool	Drop ()
void	DefineExtFunctions ()
void	ExistExtFunctions ()
void	Check ()
	rm_DB ()
	~rm_DB ()
Private Attributes
bool	connected
	log_CLASSID_m
Friends
class	rm_Operator

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Constructor & Destructor Documentation

rm_DB::rm_DB

(

)

[private]

Definition at line 296 of file librmdb.exx.

References log_FUNC_m.

              {

    log_FUNC_m(rm_DB);
} //rm_DB::rm_DB ()

rm_DB::~rm_DB

(

)

[private]

Definition at line 303 of file librmdb.exx.

References log_FUNC_m.

               {
    log_FUNC_m(~rm_DB);
} //rm_DB::~rm_DB ()

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Member Function Documentation

void rm_DB::Connect

(

)

Definition at line 248 of file librmdb.exx.

References Check(), dbg_LOW, errorDesc(), evt_ERROR, g_dbName(), log_DBG_m, log_FUNC_m, log_WriteEvent(), and SQL_NOERROR.

Referenced by rm_DBThread::Resume(), and rm_Operator::rm_Operator().

                    {
    log_FUNC_m(Connect);

    log_DBG_m(dbg_LOW, "g_dbName:" << g_dbName);

    EXEC SQL
        CONNECT DB;/* USER 'sysdba' PASSWORD 'masterkey';*/

    if (SQLCODE != SQL_NOERROR) {
        string sqlErrDesc = errorDesc(SQLCODE,"Can not Connect DB");
        log_WriteEvent(evt_ERROR, "Database can't be accessed. Is DB Server running?");
        throw ivd_DBException( SQLCODE ,sqlErrDesc, true);

        //throw ivd_Error( ie_RMDB_CONNECTPROBLEM ,"Can not connect to DB", true);
    };
    log_DBG_m(dbg_LOW, "CONNECTED");
    Check();


}//rm_DB::Connect()

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void rm_DB::Disconnect

(

)

Definition at line 271 of file librmdb.exx.

References connected, dbg_LOW, errorDesc(), ie_RMDB_CONNECTPROBLEM, ivd_Error, log_DBG_m, log_FUNC_m, and SQL_NOERROR.

Referenced by rm_DBThread::Suspend(), and rm_Operator::~rm_Operator().

                       {
    log_FUNC_m(Disconnect);

   if (DB) {           /* Is the Database. connected?*/

       EXEC SQL
            DISCONNECT DB;

       if (SQLCODE != SQL_NOERROR) {

           string sqlErrDesc = errorDesc(SQLCODE,"Can not disconnect DB");
           throw ivd_DBException( SQLCODE ,sqlErrDesc, true);

           //throw ivd_Error( ie_RMDB_CONNECTPROBLEM ,"Can not disconnect DB", true);
       };
       connected = false;
       log_DBG_m(dbg_LOW, "DISCONNECT");
   }
   else {
       throw ivd_Error( ie_RMDB_CONNECTPROBLEM ,"Database NOT Connected. Cannot disconnect", true);
   }
}//rm_DB::Disconnect()

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bool rm_DB::Init

(

)

[private]

bool rm_DB::Drop

(

)

[private]

void rm_DB::DefineExtFunctions

(

)

[private]

Definition at line 399 of file librmdb.exx.

References dbg_NORM, errorDesc(), ExistExtFunctions(), log_DBG_m, log_FUNC_m, and SQL_CHECK_M.

                               {
    log_FUNC_m(DefineExtFunctions);

    try {
        ExistExtFunctions();
        log_DBG_m(dbg_NORM,"External function exists");
    } catch (ivd_Error) {
        EXEC SQL DECLARE EXTERNAL FUNCTION bin_and
                    INTEGER, INTEGER
                    RETURNS INTEGER BY VALUE
                    ENTRY_POINT 'IB_UDF_bin_and' MODULE_NAME 'ib_udf';

        string sqlErrDesc = errorDesc(SQLCODE, "define external function bin_and");
        SQL_CHECK_M( sqlErrDesc );
    };
} //rm_DB::DefineExtFunctions

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void rm_DB::ExistExtFunctions

(

)

[private]

Definition at line 384 of file librmdb.exx.

References dbg_LOW, ie_RMDB_ERROR, ivd_Error, log_DBG_m, log_FUNC_m, and SQL_NOERROR.

Referenced by DefineExtFunctions().

                              {

    log_FUNC_m(ExistExtFunctions);
    EXEC SQL SELECT RDB$FUNCTION_NAME FROM RDB$FUNCTIONS WHERE RDB$FUNCTION_NAME = 'BIN_AND';

    if (SQLCODE != SQL_NOERROR) {
        throw ivd_Error(ie_RMDB_ERROR, "Missing External Function BIN_AND:" + SQLCODE);
    }
    else {
        log_DBG_m(dbg_LOW, "Found External Function BIN_AND");
    };
} //rm_DB::ExistExtFunctions()

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void rm_DB::Check

(

)

[private]

Definition at line 339 of file librmdb.exx.

References dbg_NORM, log_DBG_m, log_FUNC_m, and TableExists().

Referenced by Connect().

                  {
    log_FUNC_m(Check);

    //ExistExtFunctions();
    TableExists("LIBRARY");
    TableExists("DRIVE");
    TableExists("DRIVEHOST");
    TableExists("DISKSUBSYS");
    TableExists("MEDIAPOOL");
    TableExists("SLOT");
    TableExists("MEDIA");
    TableExists("MEDIAVOL");
    TableExists("PARTITION");
    TableExists("JOBID");

    log_DBG_m(dbg_NORM,"Check Tables success");
/* user check NYI
    Int32_t userCount = 0;
    char userName[100];
    strcpy( userName, g_cmn.si.m_userName.c_str());

    unsigned int i = 0;
    while ( userName[i] != '\0' ){
        userName[i] = toupper(userName[i]);
        i++;
    }

    EXEC SQL
        SELECT COUNT (*)
        INTO :userCount
        FROM RDB$USER_PRIVILEGES
        WHERE RDB$USER = :userName;

    if ( userCount == 0 ) {
        ostringstream str;
        str << "No grant permission for user " << userName;
        log_DBG_m(dbg_LOW, str.str() << " count:" << userCount);
        throw ivd_Error(ie_RMDB_ERROR, str.str());
    }
*/
}

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Friends And Related Function Documentation

friend class rm_Operator [friend]

Definition at line 771 of file rmdb.h.

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Member Data Documentation

bool rm_DB::connected [private]

Definition at line 778 of file rmdb.h.

Referenced by Disconnect().

rm_DB::log_CLASSID_m [private]

Definition at line 832 of file rmdb.h.

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The documentation for this class was generated from the following files:

• rmdb.h
• librmdb.exx