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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org |
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* Copyright (C) 2000-2004 i-scream |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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* 02111-1307 USA |
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* |
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* $Id: process_stats.c,v 1.23 2004/03/28 18:04:14 pajs Exp $ |
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*/ |
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|
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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|
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#include "statgrab.h" |
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#if defined(SOLARIS) || defined(LINUX) |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <sys/types.h> |
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#include <dirent.h> |
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#include <string.h> |
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#endif |
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|
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#ifdef SOLARIS |
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#include <procfs.h> |
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#include <limits.h> |
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#define PROC_LOCATION "/proc" |
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#define MAX_FILE_LENGTH PATH_MAX |
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#endif |
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#ifdef LINUX |
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#include <limits.h> |
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#define PROC_LOCATION "/proc" |
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#define MAX_FILE_LENGTH PATH_MAX |
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#endif |
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#ifdef ALLBSD |
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#include <stdlib.h> |
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#include <sys/param.h> |
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#include <sys/sysctl.h> |
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#if defined(FREEBSD) || defined(DFBSD) |
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#include <sys/user.h> |
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#else |
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#include <sys/proc.h> |
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#endif |
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#endif |
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|
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int get_proc_snapshot(proc_state_t **ps){ |
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proc_state_t *proc_state = NULL; |
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proc_state_t *proc_state_ptr; |
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int proc_state_size = 0; |
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#if defined(SOLARIS) || defined(LINUX) |
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DIR *proc_dir; |
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struct dirent *dir_entry; |
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char filename[MAX_FILE_LENGTH]; |
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FILE *f; |
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#ifdef SOLARIS |
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psinfo_t process_info; |
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#endif |
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|
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if((proc_dir=opendir(PROC_LOCATION))==NULL){ |
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return NULL; |
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} |
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|
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while((dir_entry=readdir(proc_dir))!=NULL){ |
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if(atoi(dir_entry->d_name) == 0) continue; |
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|
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#ifdef SOLARIS |
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snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name); |
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#endif |
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if((f=fopen(filename, "r"))==NULL){ |
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/* Open failed.. Process since vanished, or the path was too long. |
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* Ah well, move onwards to the next one */ |
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continue; |
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} |
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#ifdef SOLARIS |
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fread(&process_info, sizeof(psinfo_t), 1, f); |
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|
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proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t)); |
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proc_state_ptr = proc_state+proc_state_size; |
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|
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proc_state_ptr->pid = process_info.pr_pid; |
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proc_state_ptr->parent = process_info.pr_ppid; |
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proc_state_ptr->pgid = process_info.pr_pgid; |
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proc_state_ptr->uid = process_info.pr_uid; |
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proc_state_ptr->euid = process_info.pr_euid; |
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proc_state_ptr->gid = process_info.pr_gid; |
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proc_state_ptr->egid = process_info.pr_egid; |
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proc_state_ptr->proc_size = (process_info.pr_size) * 1024; |
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proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024; |
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proc_state_ptr->time_spent = process_info.pr_time.tv_sec; |
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proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000; |
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proc_state_ptr->process_name = strdup(process_info.pr_fname); |
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proc_state_ptr->proctitle = strdup(process_info.pr_psargs); |
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|
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if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SLEEPING; |
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if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = RUNNING; |
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if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = ZOMBIE; |
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if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = STOPPED; |
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if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = RUNNING; |
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#endif |
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|
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proc_state_size++; |
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#endif |
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|
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|
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fclose(f); |
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} |
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closedir(proc_dir); |
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*ps = proc_state; |
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|
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return proc_state_size; |
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} |
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|
