| 1 |
pajs |
1.1 |
/* |
| 2 |
|
|
* i-scream central monitoring system |
| 3 |
|
|
* http://www.i-scream.org.uk |
| 4 |
|
|
* Copyright (C) 2000-2002 i-scream |
| 5 |
|
|
* |
| 6 |
|
|
* This program is free software; you can redistribute it and/or |
| 7 |
|
|
* modify it under the terms of the GNU General Public License |
| 8 |
|
|
* as published by the Free Software Foundation; either version 2 |
| 9 |
|
|
* of the License, or (at your option) any later version. |
| 10 |
|
|
* |
| 11 |
|
|
* This program is distributed in the hope that it will be useful, |
| 12 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
|
|
* GNU General Public License for more details. |
| 15 |
|
|
* |
| 16 |
|
|
* You should have received a copy of the GNU General Public License |
| 17 |
|
|
* along with this program; if not, write to the Free Software |
| 18 |
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 |
|
|
*/ |
| 20 |
|
|
|
| 21 |
|
|
#ifdef HAVE_CONFIG_H |
| 22 |
|
|
#include "config.h" |
| 23 |
|
|
#endif |
| 24 |
|
|
|
| 25 |
|
|
#include <stdio.h> |
| 26 |
|
|
#include <stdlib.h> |
| 27 |
tdb |
1.2 |
#include "statgrab.h" |
| 28 |
pajs |
1.5 |
#include <sys/types.h> |
| 29 |
|
|
#include <dirent.h> |
| 30 |
|
|
#include <string.h> |
| 31 |
pajs |
1.1 |
|
| 32 |
|
|
#ifdef SOLARIS |
| 33 |
|
|
#include <procfs.h> |
| 34 |
|
|
#include <limits.h> |
| 35 |
pajs |
1.5 |
#define PROC_LOCATION "/proc" |
| 36 |
|
|
#define MAX_FILE_LENGTH PATH_MAX |
| 37 |
|
|
#endif |
| 38 |
|
|
#ifdef LINUX |
| 39 |
|
|
#include "tools.h" |
| 40 |
|
|
#include <linux/limits.h> |
| 41 |
pajs |
1.1 |
#define PROC_LOCATION "/proc" |
| 42 |
|
|
#define MAX_FILE_LENGTH PATH_MAX |
| 43 |
|
|
#endif |
| 44 |
|
|
|
| 45 |
|
|
process_stat_t *get_process_stats(){ |
| 46 |
|
|
|
| 47 |
|
|
static process_stat_t process_stat; |
| 48 |
|
|
|
| 49 |
|
|
DIR *proc_dir; |
| 50 |
|
|
struct dirent *dir_entry; |
| 51 |
|
|
char filename[MAX_FILE_LENGTH]; |
| 52 |
|
|
FILE *f; |
| 53 |
pajs |
1.5 |
#ifdef LINUX |
| 54 |
|
|
char *line_ptr; |
| 55 |
|
|
#endif |
| 56 |
|
|
#ifdef SOLARIS |
| 57 |
|
|
psinfo_t process_info; |
| 58 |
|
|
#endif |
| 59 |
pajs |
1.1 |
|
| 60 |
|
|
process_stat.sleeping=0; |
| 61 |
|
|
process_stat.running=0; |
| 62 |
|
|
process_stat.zombie=0; |
| 63 |
|
|
process_stat.stopped=0; |
| 64 |
pajs |
1.5 |
process_stat.total=0; |
| 65 |
pajs |
1.1 |
|
| 66 |
|
|
if((proc_dir=opendir(PROC_LOCATION))==NULL){ |
| 67 |
|
|
return NULL; |
| 68 |
|
|
} |
| 69 |
|
|
|
| 70 |
|
|
while((dir_entry=readdir(proc_dir))!=NULL){ |
| 71 |
|
|
if(atoi(dir_entry->d_name) == 0) continue; |
| 72 |
pajs |
1.5 |
|
| 73 |
|
|
#ifdef SOLARIS |
| 74 |
pajs |
1.1 |
snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name); |
| 75 |
pajs |
1.5 |
#endif |
| 76 |
|
|
#ifdef LINUX |
| 77 |
|
|
snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name); |
| 78 |
|
|
#endif |
| 79 |
pajs |
1.1 |
|
| 80 |
|
|
if((f=fopen(filename, "r"))==NULL){ |
| 81 |
|
|
/* Open failed.. Process since vanished, or the path was too long. |
| 82 |
|
|
* Ah well, move onwards to the next one */ |
| 83 |
|
|
continue; |
| 84 |
|
|
} |
| 85 |
|
|
|
| 86 |
pajs |
1.5 |
#ifdef SOLARIS |
| 87 |
pajs |
1.1 |
fread(&process_info, sizeof(psinfo_t), 1, f); |
| 88 |
|
|
if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++; |
| 89 |
|
|
if(process_info.pr_lwp.pr_state==2) process_stat.running++; |
| 90 |
|
|
if(process_info.pr_lwp.pr_state==3) process_stat.zombie++; |
| 91 |
|
|
if(process_info.pr_lwp.pr_state==4) process_stat.stopped++; |
| 92 |
|
|
if(process_info.pr_lwp.pr_state==6) process_stat.running++; |
| 93 |
pajs |
1.5 |
#endif |
| 94 |
|
|
#ifdef LINUX |
| 95 |
|
|
if((line_ptr=f_read_line(f, "State:"))==NULL){ |
| 96 |
|
|
fclose(f); |
| 97 |
|
|
continue; |
| 98 |
|
|
} |
| 99 |
|
|
if((line_ptr=strchr(line_ptr, '\t'))==NULL){ |
| 100 |
|
|
fclose(f); |
| 101 |
|
|
continue; |
| 102 |
|
|
} |
| 103 |
|
|
line_ptr++; |
| 104 |
|
|
if(line_ptr=='\0'){ |
| 105 |
|
|
fclose(f); |
| 106 |
|
|
continue; |
| 107 |
|
|
} |
| 108 |
|
|
|
| 109 |
|
|
if(*line_ptr=='S') process_stat.sleeping++; |
| 110 |
|
|
if(*line_ptr=='R') process_stat.running++; |
| 111 |
|
|
if(*line_ptr=='Z') process_stat.zombie++; |
| 112 |
|
|
if(*line_ptr=='T') process_stat.stopped++; |
| 113 |
|
|
if(*line_ptr=='D') process_stat.stopped++; |
| 114 |
|
|
#endif |
| 115 |
|
|
|
| 116 |
|
|
fclose(f); |
| 117 |
pajs |
1.1 |
} |
| 118 |
|
|
closedir(proc_dir); |
| 119 |
|
|
|
| 120 |
pajs |
1.4 |
|
| 121 |
|
|
process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped; |
| 122 |
pajs |
1.1 |
return &process_stat; |
| 123 |
|
|
} |
