Example #1
0
int processXMsg( int streamId, char *readmsg,
                 RuleEngineEventParam *param, Node *node,
                 Env *env, ruleExecInfo_t *rei ) {

    char myhdr[HEADER_TYPE_LEN];
    char mymsg[MAX_NAME_LEN];
    char *outStr = NULL;
    int i, n;
    int iLevel, wCnt;
    int  ruleInx = 0;
    Region *r;
    Res *res;
    rError_t errmsg;
    errmsg.len = 0;
    errmsg.errMsg = NULL;
    r = make_region( 0, NULL );
    ParserContext *context = newParserContext( &errmsg, r );
    Pointer *e = newPointer2( readmsg );
    int rulegen = 1;
    int found;
    int grdf[2];
    int cmd = 0;
    int smallW;

    snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug:%s", param->actionName );
    memset( mymsg, 0, sizeof( mymsg ) );

    PARSER_BEGIN( DbgCmd )
    TRY( DbgCmd )
    TTEXT2( "n", "next" );
    cmd = REDEBUG_STEP_OVER;
    OR( DbgCmd )
    TTEXT2( "s", "step" );
    cmd = REDEBUG_NEXT;
    OR( DbgCmd )
    TTEXT2( "f", "finish" );
    cmd = REDEBUG_STEP_OUT;
    OR( DbgCmd )
    TTEXT2( "b", "break" );
    TRY( Param )
    TTYPE( TK_TEXT );
    int breakPointsInx2;
    for ( breakPointsInx2 = 0; breakPointsInx2 < 100; breakPointsInx2++ ) {
        if ( breakPoints[breakPointsInx2].actionName == NULL ) {
            break;
        }
    }
    if ( breakPointsInx2 == 100 ) {
        _writeXMsg( streamId, myhdr, "Maximum breakpoint count reached. Breakpoint not set.\n" );
        cmd = REDEBUG_WAIT;
    }
    else {
        breakPoints[breakPointsInx2].actionName = strdup( token->text );
        char * base_ptr = NULL;
        TRY( loc )
        TTYPE( TK_TEXT );
        base_ptr = ( char * ) malloc( sizeof( token->text ) + 2 );
        base_ptr[0] = 'f';
        strcpy( base_ptr + 1, token->text );
        TTEXT( ":" );
        TTYPE( TK_INT );
        breakPoints[breakPointsInx2].base = strdup( base_ptr );
        breakPoints[breakPointsInx2].line = atoi( token->text );
        rodsLong_t range[2];
        char rulesFileName[MAX_NAME_LEN];
        getRuleBasePath( base_ptr, rulesFileName );

        FILE *file;
        /* char errbuf[ERR_MSG_LEN]; */
        file = fopen( rulesFileName, "r" );
        if ( file == NULL ) {
            free( context );
            deletePointer( e );
            free( base_ptr );
            return RULES_FILE_READ_ERROR;
        }
        Pointer *p = newPointer( file, base_ptr );


        if ( getLineRange( p, breakPoints[breakPointsInx2].line, range ) == 0 ) {
            breakPoints[breakPointsInx2].start = range[0];
            breakPoints[breakPointsInx2].finish = range[1];
        }
        else {
            breakPoints[breakPointsInx2].actionName = NULL;
        }
        deletePointer( p );
        OR( loc )
        TTYPE( TK_INT );
        if ( node != NULL ) {
            breakPoints[breakPointsInx2].base = strdup( node->base );
            breakPoints[breakPointsInx2].line = atoi( token->text );
            rodsLong_t range[2];
            Pointer *p = newPointer2( breakPoints[breakPointsInx2].base );
            if ( getLineRange( p, breakPoints[breakPointsInx2].line, range ) == 0 ) {
                breakPoints[breakPointsInx2].start = range[0];
                breakPoints[breakPointsInx2].finish = range[1];
            }
            else {
                breakPoints[breakPointsInx2].actionName = NULL;
            }
            deletePointer( p );
        }
        else {
            breakPoints[breakPointsInx2].actionName = NULL;
        }
        OR( loc )
        /* breakPoints[breakPointsInx].base = NULL; */
        END_TRY( loc )

        free( base_ptr );
        if ( breakPoints[breakPointsInx2].actionName != NULL )
            snprintf( mymsg, MAX_NAME_LEN, "Breakpoint %i  set at %s\n", breakPointsInx2,
                      breakPoints[breakPointsInx2].actionName );
        else {
            snprintf( mymsg, MAX_NAME_LEN, "Cannot set breakpoint, source not available\n" );
        }
        _writeXMsg( streamId, myhdr, mymsg );
        if ( breakPointsInx <= breakPointsInx2 ) {
            breakPointsInx = breakPointsInx2 + 1;
        }
        cmd = REDEBUG_WAIT;
    }
    OR( Param )
    NEXT_TOKEN_BASIC;
    _writeXMsg( streamId, myhdr, "Unknown parameter type.\n" );
    cmd = REDEBUG_WAIT;
    OR( Param )
    _writeXMsg( streamId, myhdr, "Debugger command \'break\' requires at least one argument.\n" );
    cmd = REDEBUG_WAIT;
    END_TRY( Param )

    OR( DbgCmd )
    TRY( Where )
    TTEXT2( "w", "where" );
    smallW = 1;
    OR( Where )
    TTEXT2( "W", "Where" );
    smallW = 0;
    END_TRY( Where )
    wCnt = 20;
    OPTIONAL_BEGIN( Param )
    TTYPE( TK_INT );
    wCnt = atoi( token->text );
    OPTIONAL_END( Param )
    iLevel = 0;

    i = reDebugStackCurrPtr - 1;
    while ( i >= 0 && wCnt > 0 ) {
        if ( !smallW || ( reDebugPCType( ( RuleEngineEvent ) reDebugStackCurr[i].label ) & 1 ) != 0 ) {
            snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug: Level %3i", iLevel );
            char msg[HEADER_TYPE_LEN - 1];
            RuleEngineEventParam param;
            param.ruleIndex = 0;
            param.actionName = reDebugStackCurr[i].step;
            printRuleEngineEventLabel( msg, HEADER_TYPE_LEN - 1, ( RuleEngineEvent ) reDebugStackCurr[i].label, &param );
            _writeXMsg( streamId,  myhdr, msg );
            if ( reDebugStackCurr[i].label != EXEC_ACTION_BEGIN ) {
                iLevel++;
            }
            wCnt--;
        }
        i--;
    }
    OR( DbgCmd )
    TTEXT2( "l", "list" );
    TRY( Param )
    TTEXT2( "r", "rule" );
    TRY( ParamParam )
    TTYPE( TK_TEXT );

    mymsg[0] = '\n';
    mymsg[1] = '\0';
    snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug: Listing %s", token->text );
    RuleIndexListNode *node;
    found = 0;
    while ( findNextRule2( token->text, ruleInx, &node ) != NO_MORE_RULES_ERR ) {
        found = 1;
        if ( node->secondaryIndex ) {
            n = node->condIndex->valIndex->len;
            int i;
            for ( i = 0; i < n; i++ ) {
                Bucket *b = node->condIndex->valIndex->buckets[i];
                while ( b != NULL ) {
                    RuleDesc *rd = getRuleDesc( *( int * )b->value );
                    char buf[MAX_RULE_LEN];
                    ruleToString( buf, MAX_RULE_LEN, rd );
                    snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "%i: %s\n%s\n", node->ruleIndex, rd->node->base[0] == 's' ? "<source>" : rd->node->base + 1, buf );
                    b = b->next;
                }
            }
        }
        else {
            RuleDesc *rd = getRuleDesc( node->ruleIndex );
            char buf[MAX_RULE_LEN];
            ruleToString( buf, MAX_RULE_LEN, rd );
            snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "\n  %i: %s\n%s\n", node->ruleIndex, rd->node->base[0] == 's' ? "<source>" : rd->node->base + 1, buf );
        }
        ruleInx ++;
    }
    if ( !found ) {
        snprintf( mymsg, MAX_NAME_LEN, "Rule %s not found\n", token->text );
    }
    _writeXMsg( streamId, myhdr, mymsg );
    cmd = REDEBUG_WAIT;
    OR( ParamParam )
    _writeXMsg( streamId, myhdr, "Debugger command \'list rule\' requires one argument.\n" );
    cmd = REDEBUG_WAIT;
    END_TRY( ParamParam )
    OR( Param )
    TTEXT2( "b", "breakpoints" );
    snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug: Listing %s", token->text );
    mymsg[0] = '\n';
    mymsg[1] = '\0';
    for ( i = 0; i < breakPointsInx; i++ ) {
        if ( breakPoints[i].actionName != NULL ) {
            if ( breakPoints[i].base != NULL ) {
                snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "Breaking at BreakPoint %i:%s %s:%d\n", i , breakPoints[i].actionName, breakPoints[i].base[0] == 's' ? "<source>" : breakPoints[i].base + 1, breakPoints[i].line );
            }
            else {
                snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "Breaking at BreakPoint %i:%s\n", i , breakPoints[i].actionName );
            }
        }
    }
    _writeXMsg( streamId, myhdr, mymsg );
    cmd = REDEBUG_WAIT;
    OR( Param )
    TTEXT( "*" );
    snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug: Listing %s", token->text );
    Env *cenv = env;
    mymsg[0] = '\n';
    mymsg[1] = '\0';
    found = 0;
    while ( cenv != NULL ) {
        n = cenv->current->size;
        for ( i = 0; i < n; i++ ) {
            Bucket *b = cenv->current->buckets[i];
            while ( b != NULL ) {
                if ( b->key[0] == '*' ) { /* skip none * variables */
                    found = 1;
                    char typeString[128];
                    typeToString( ( ( Res * )b->value )->exprType, NULL, typeString, 128 );
                    snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "%s of type %s\n", b->key, typeString );
                }
                b = b->next;
            }
        }
        cenv = cenv->previous;
    }
    if ( !found ) {
        snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "<empty>\n" );
    }
    _writeXMsg( streamId, myhdr, mymsg );
    cmd = REDEBUG_WAIT;
    OR( Param )
    syncTokenQueue( e, context );
    skipWhitespace( e );
    ABORT( lookAhead( e, 0 ) != '$' );
    snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug: Listing %s", token->text );
    mymsg[0] = '\n';
    mymsg[1] = '\0';
    Hashtable *vars = newHashTable( 100 );
    for ( i = 0; i < coreRuleVarDef .MaxNumOfDVars; i++ ) {
        if ( lookupFromHashTable( vars, coreRuleVarDef.varName[i] ) == NULL ) {
            snprintf( &mymsg[strlen( mymsg )], MAX_NAME_LEN - strlen( mymsg ), "$%s\n", coreRuleVarDef.varName[i] );
            insertIntoHashTable( vars, coreRuleVarDef.varName[i], coreRuleVarDef.varName[i] );
        }
    }
    deleteHashTable( vars, NULL );
    _writeXMsg( streamId, myhdr, mymsg );
    cmd = REDEBUG_WAIT;
    OR( Param )
    NEXT_TOKEN_BASIC;
    _writeXMsg( streamId, myhdr, "Unknown parameter type.\n" );
    cmd = REDEBUG_WAIT;
    OR( Param )
    _writeXMsg( streamId, myhdr, "Debugger command \'list\' requires at least one argument.\n" );
    cmd = REDEBUG_WAIT;
    END_TRY( Param )
    OR( DbgCmd )
    TTEXT2( "c", "continue" );
    cmd = REDEBUG_STEP_CONTINUE;
    OR( DbgCmd )
    TTEXT2( "C", "Continue" );
    cmd = REDEBUG_CONTINUE_VERBOSE;
    OR( DbgCmd )
    TTEXT2( "del", "delete" );
    TRY( Param )
    TTYPE( TK_INT );
    n = atoi( token->text );
    if ( breakPoints[n].actionName != NULL ) {
        free( breakPoints[n].actionName );
        if ( breakPoints[n].base != NULL ) {
            free( breakPoints[n].base );
        }
        breakPoints[n].actionName = NULL;
        breakPoints[n].base = NULL;
        snprintf( mymsg, MAX_NAME_LEN, "Breakpoint %i  deleted\n", n );
    }
    else {
        snprintf( mymsg, MAX_NAME_LEN, "Breakpoint %i  has not been defined\n", n );
    }
    _writeXMsg( streamId, myhdr, mymsg );
    cmd = REDEBUG_WAIT;
    OR( Param )
    _writeXMsg( streamId, myhdr, "Debugger command \'delete\' requires one argument.\n" );
    cmd = REDEBUG_WAIT;
    END_TRY( Param )
    OR( DbgCmd )
    TTEXT2( "p", "print" );
    Node *n = parseTermRuleGen( e, 1, context );
    if ( getNodeType( n ) == N_ERROR ) {
        errMsgToString( context->errmsg, mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ) );
    }
    else {
        snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug: Printing " );
        char * ptr = myhdr + strlen( myhdr );
        i = HEADER_TYPE_LEN - 1 - strlen( myhdr );
        termToString( &ptr, &i, 0, MIN_PREC, n, 0 );
        snprintf( ptr, i, "\n" );
        if ( env != NULL ) {
            disableReDebugger( grdf );
            res = computeNode( n, NULL, regionRegionCpEnv( env, r, ( RegionRegionCopyFuncType * ) regionRegionCpNode ), rei, 0, &errmsg, r );
            enableReDebugger( grdf );
            outStr = convertResToString( res );
            snprintf( mymsg, MAX_NAME_LEN, "%s\n", outStr );
            free( outStr );
            if ( getNodeType( res ) == N_ERROR ) {
                errMsgToString( &errmsg, mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ) );
            }
        }
        else {
            snprintf( mymsg, MAX_NAME_LEN, "Runtime environment: <empty>\n" );
        }
    }
    _writeXMsg( streamId, myhdr, mymsg );

    cmd = REDEBUG_WAIT;
    OR( DbgCmd )
    TTEXT2( "d", "discontinue" );
    cmd = REDEBUG_WAIT;
    OR( DbgCmd )
    snprintf( mymsg, MAX_NAME_LEN, "Unknown Action: %s", readmsg );
    _writeXMsg( streamId, myhdr, mymsg );
    cmd = REDEBUG_WAIT;
    END_TRY( DbgCmd )
    PARSER_END( DbgCmd )
    freeRErrorContent( &errmsg );
    region_free( r );
    deletePointer( e );
    free( context );
    return cmd;
}
Example #2
0
int loadRuleFromCacheOrFile( int processType, char *irbSet, ruleStruct_t *inRuleStruct ) {
    char r1[NAME_LEN], r2[RULE_SET_DEF_LENGTH], r3[RULE_SET_DEF_LENGTH];
    snprintf( r2, sizeof( r2 ), "%s", irbSet );
    int res = 0;

#ifdef DEBUG
    /*Cache *cache;*/
#endif

    /* get max timestamp */
    char fn[MAX_NAME_LEN];
    time_type timestamp = time_type_initializer, mtim;
    while ( strlen( r2 ) > 0 ) {
        rSplitStr( r2, r1, NAME_LEN, r3, RULE_SET_DEF_LENGTH, ',' );
        getRuleBasePath( r1, fn );
        if ( ( res = getModifiedTime( fn, &mtim ) ) != 0 ) {
            return res;
        }
        if ( time_type_gt( mtim, timestamp ) ) {
            time_type_set( timestamp, mtim );
        }
        snprintf( r2, sizeof( r2 ), "%s", r3 );
    }
    snprintf( r2, sizeof( r2 ), "%s", irbSet );

#ifdef CACHE_ENABLE

    int update = 0;
    unsigned char *buf = NULL;
    /* try to find shared memory cache */
    if ( processType == RULE_ENGINE_TRY_CACHE && inRuleStruct == &coreRuleStrct ) {
        buf = prepareNonServerSharedMemory();
        if ( buf != NULL ) {
            Cache * cache = restoreCache( buf );
            detachSharedMemory();

            if ( cache == NULL ) {
                rodsLog( LOG_ERROR, "Failed to restore cache." );
            }
            else {
                int diffIrbSet = strcmp( cache->ruleBase, irbSet ) != 0;
                if ( diffIrbSet ) {
                    rodsLog( LOG_DEBUG, "Rule base set changed, old value is %s", cache->ruleBase );
                }

                if ( diffIrbSet || time_type_gt( timestamp, cache->timestamp ) ) {
                    update = 1;
                    free( cache->address );
                    rodsLog( LOG_DEBUG, "Rule base set or rule files modified, force refresh." );
                }
                else {

                    cache->cacheStatus = INITIALIZED;
                    ruleEngineConfig = *cache;
                    /* generate extRuleSet */
                    generateRegions();
                    generateRuleSets();
                    generateFunctionDescriptionTables();
                    if ( inRuleStruct == &coreRuleStrct && ruleEngineConfig.ruleEngineStatus == UNINITIALIZED ) {
                        getSystemFunctions( ruleEngineConfig.sysFuncDescIndex->current, ruleEngineConfig.sysRegion );
                    }
                    /* ruleEngineConfig.extRuleSetStatus = LOCAL;
                    ruleEngineConfig.extFuncDescIndexStatus = LOCAL; */
                    /* createRuleIndex(inRuleStruct); */
                    ruleEngineConfig.ruleEngineStatus = INITIALIZED;
                    //free( cache );
                    return res;
                }
            }
            //free( cache );
        }
        else {
            rodsLog( LOG_DEBUG, "Cannot open shared memory." );
        }
    }
#endif

    if ( ruleEngineConfig.ruleEngineStatus == INITIALIZED ) {
        /* Reloading rule set, clear previously generated rule set */
        unlinkFuncDescIndex();
        clearRuleIndex( inRuleStruct );
    }

    generateRegions();
    generateRuleSets();
    generateFunctionDescriptionTables();
    if ( inRuleStruct == &coreRuleStrct && ruleEngineConfig.ruleEngineStatus == UNINITIALIZED ) {
        getSystemFunctions( ruleEngineConfig.sysFuncDescIndex->current, ruleEngineConfig.sysRegion );
    }
    /*ruleEngineConfig.extRuleSetStatus = LOCAL;
    ruleEngineConfig.extFuncDescIndexStatus = LOCAL;*/
    while ( strlen( r2 ) > 0 ) {
        int i = rSplitStr( r2, r1, NAME_LEN, r3, RULE_SET_DEF_LENGTH, ',' );
        if ( i == 0 ) {
            i = readRuleStructAndRuleSetFromFile( r1, inRuleStruct );
        }
#ifdef DEBUG
        printf( "%d rules in core rule set\n", ruleEngineConfig.coreRuleSet->len );
#endif
        if ( i != 0 ) {
            res = i;
            ruleEngineConfig.ruleEngineStatus = INITIALIZED;
            return res;
        }
        snprintf( r2, sizeof( r2 ), "%s", r3 );
    }

    createRuleIndex( inRuleStruct );
    /* set max timestamp */
    time_type_set( ruleEngineConfig.timestamp, timestamp );
    snprintf( ruleEngineConfig.ruleBase, sizeof( ruleEngineConfig.ruleBase ), "%s", irbSet );

#ifdef CACHE_ENABLE
    if ( ( processType == RULE_ENGINE_INIT_CACHE || update ) && inRuleStruct == &coreRuleStrct ) {
        unsigned char *shared = prepareServerSharedMemory();

        if ( shared != NULL ) {
            int ret = updateCache( shared, SHMMAX, &ruleEngineConfig, processType );
            detachSharedMemory();
            if ( ret != 0 ) {
                removeSharedMemory();
            }
        }
        else {
            rodsLog( LOG_ERROR, "Cannot open shared memory." );
        }
    }
#endif

    ruleEngineConfig.ruleEngineStatus = INITIALIZED;

    return res;
}
Example #3
0
int readRuleSetFromFile( const char *ruleBaseName, RuleSet *ruleSet, Env *funcDesc, int* errloc, rError_t *errmsg, Region *r ) {
    char rulesFileName[MAX_NAME_LEN];
    getRuleBasePath( ruleBaseName, rulesFileName );

    return readRuleSetFromLocalFile( ruleBaseName, rulesFileName, ruleSet, funcDesc, errloc, errmsg, r );
}