package gotoc

/*
#include "../../../../../Include/sigar.h"
#include "../../../../../Include/sigar_ptql.h" 
#include <stdio.h>
#include <stdlib.h>
*/
import "C"

import (
	"fmt"
	"github.com/vmware/leap/util"
)


func ExecutePtql(ptql string, infoTypesMask ProcInfoType) (result []*ProcessInfo, err error){ 
	defer util.Panic2Error(&err) 
	
	var query *C.sigar_ptql_query_t 
	var queryError *C.sigar_ptql_error_t
	var proclist C.sigar_proc_list_t 
	 
	sigar := GetSigarHandle()
	ptqlC := C.CString(ptql) 
	//defer C.sigar_ptql_query_destroy(query) 
	defer C.sigar_proc_list_destroy(sigar, &proclist) 
	defer C.sigar_ptql_re_impl_set(sigar, nil, nil)
	defer Free(ptqlC) 
	
	if status := C.sigar_ptql_query_create(&query, ptqlC, queryError) ; status != SIGAR_OK { 
		err = fmt.Errorf("Failed to create sigar ptql query for: %v with errorcode: %v", ptql, status) 
		return nil,err  
	}
	
	C.sigar_ptql_query_find(sigar, query, &proclist)
	C.sigar_ptql_query_destroy(query) 
	
	/*
	noOfProcesses := int(proclist.number)
	result = make([]*ProcessInfo, noOfProcesses)
	pids :=  *(*[]C.sigar_pid_t) (CArr2SlicePtr(noOfProcesses, proclist.data))	
	for i,pid := range pids { 
		procInfo,err := GetProcInfo(uint64(pid), infoTypesMask) 
		if err != nil { 
			return nil,err 
		}
		result[i] =  procInfo
	}	
	
	return result,nil*/ 
	
	processes,err := getProcInfos(&proclist, infoTypesMask, sigar)
	return processes.Processes,err
}