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/* |
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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) 2000-2003 i-scream |
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* Copyright (C) 2000-2004 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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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 program is distributed in the hope that it will be useful, |
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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 |
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* GNU General Public License for more details. |
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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 General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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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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* $Id$ |
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*/ |
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#ifdef HAVE_CONFIG_H |
41 |
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#define MAX_FILE_LENGTH PATH_MAX |
42 |
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#endif |
43 |
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#ifdef LINUX |
44 |
< |
#include "tools.h" |
45 |
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#include <linux/limits.h> |
44 |
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#include <limits.h> |
45 |
> |
#include <unistd.h> |
46 |
> |
#include <sys/stat.h> |
47 |
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#include <fcntl.h> |
48 |
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#define PROC_LOCATION "/proc" |
49 |
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#define MAX_FILE_LENGTH PATH_MAX |
50 |
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#endif |
51 |
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#ifdef FREEBSD |
52 |
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#include <kvm.h> |
48 |
< |
#include <fcntl.h> |
51 |
> |
#ifdef ALLBSD |
52 |
> |
#include <stdlib.h> |
53 |
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#include <sys/param.h> |
54 |
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#include <sys/sysctl.h> |
55 |
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#if defined(FREEBSD) || defined(DFBSD) |
56 |
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#include <sys/user.h> |
57 |
+ |
#else |
58 |
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#include <sys/proc.h> |
59 |
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#endif |
60 |
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#endif |
61 |
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|
62 |
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process_stat_t *get_process_stats(){ |
63 |
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|
64 |
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static process_stat_t process_stat; |
65 |
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|
66 |
< |
#if defined(SOLARIS) || defined(LINUX) |
67 |
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DIR *proc_dir; |
68 |
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struct dirent *dir_entry; |
69 |
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char filename[MAX_FILE_LENGTH]; |
70 |
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FILE *f; |
62 |
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int get_proc_snapshot(proc_state_t **ps){ |
63 |
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proc_state_t *proc_state = NULL; |
64 |
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proc_state_t *proc_state_ptr; |
65 |
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int proc_state_size = 0; |
66 |
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#ifdef ALLBSD |
67 |
> |
int mib[3]; |
68 |
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size_t size; |
69 |
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struct kinfo_proc *kp_stats; |
70 |
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int procs, i; |
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#endif |
72 |
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#ifdef LINUX |
73 |
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char *line_ptr; |
74 |
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#endif |
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#if defined(SOLARIS) || defined(LINUX) |
73 |
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DIR *proc_dir; |
74 |
> |
struct dirent *dir_entry; |
75 |
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char filename[MAX_FILE_LENGTH]; |
76 |
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FILE *f; |
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#ifdef SOLARIS |
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psinfo_t process_info; |
79 |
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#endif |
80 |
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#ifdef FREEBSD |
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struct kinfo_proc *kp_stats; |
82 |
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kvm_t *kvmd = NULL; |
83 |
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int procs; |
80 |
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#ifdef LINUX |
81 |
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char s; |
82 |
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/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */ |
83 |
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char ps_name[4096]; |
84 |
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char *ptr; |
85 |
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static char *psargs = NULL; |
86 |
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static int psarg_size = 0; |
87 |
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unsigned long stime, utime; |
88 |
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int x; |
89 |
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int fn; |
90 |
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int toread; |
91 |
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ssize_t size; |
92 |
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int t_read; |
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#endif |
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|
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process_stat.sleeping=0; |
96 |
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process_stat.running=0; |
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process_stat.zombie=0; |
79 |
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process_stat.stopped=0; |
80 |
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process_stat.total=0; |
95 |
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if((proc_dir=opendir(PROC_LOCATION))==NULL){ |
96 |
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return -1; |
97 |
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} |
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|
99 |
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#if defined(SOLARIS) || defined(LINUX) |
100 |
< |
if((proc_dir=opendir(PROC_LOCATION))==NULL){ |
84 |
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return NULL; |
85 |
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} |
99 |
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while((dir_entry=readdir(proc_dir))!=NULL){ |
100 |
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if(atoi(dir_entry->d_name) == 0) continue; |
101 |
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|
87 |
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while((dir_entry=readdir(proc_dir))!=NULL){ |
88 |
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if(atoi(dir_entry->d_name) == 0) continue; |
89 |
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|
102 |
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#ifdef SOLARIS |
103 |
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snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name); |
103 |
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snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name); |
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#endif |
105 |
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#ifdef LINUX |
106 |
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snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name); |
106 |
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snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name); |
107 |
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#endif |
108 |
+ |
if((f=fopen(filename, "r"))==NULL){ |
109 |
+ |
/* Open failed.. Process since vanished, or the path was too long. |
110 |
+ |
* Ah well, move onwards to the next one */ |
111 |
+ |
continue; |
112 |
+ |
} |
113 |
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#ifdef SOLARIS |
114 |
+ |
fread(&process_info, sizeof(psinfo_t), 1, f); |
115 |
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#endif |
116 |
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|
117 |
< |
if((f=fopen(filename, "r"))==NULL){ |
118 |
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/* Open failed.. Process since vanished, or the path was too long. |
119 |
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* Ah well, move onwards to the next one */ |
120 |
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continue; |
121 |
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} |
117 |
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proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t)); |
118 |
> |
proc_state_ptr = proc_state+proc_state_size; |
119 |
> |
#ifdef SOLARIS |
120 |
> |
proc_state_ptr->pid = process_info.pr_pid; |
121 |
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proc_state_ptr->parent = process_info.pr_ppid; |
122 |
> |
proc_state_ptr->pgid = process_info.pr_pgid; |
123 |
> |
proc_state_ptr->uid = process_info.pr_uid; |
124 |
> |
proc_state_ptr->euid = process_info.pr_euid; |
125 |
> |
proc_state_ptr->gid = process_info.pr_gid; |
126 |
> |
proc_state_ptr->egid = process_info.pr_egid; |
127 |
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proc_state_ptr->proc_size = (process_info.pr_size) * 1024; |
128 |
> |
proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024; |
129 |
> |
proc_state_ptr->time_spent = process_info.pr_time.tv_sec; |
130 |
> |
proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000; |
131 |
> |
proc_state_ptr->process_name = strdup(process_info.pr_fname); |
132 |
> |
proc_state_ptr->proctitle = strdup(process_info.pr_psargs); |
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|
134 |
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#ifdef SOLARIS |
135 |
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fread(&process_info, sizeof(psinfo_t), 1, f); |
136 |
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if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++; |
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if(process_info.pr_lwp.pr_state==2) process_stat.running++; |
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if(process_info.pr_lwp.pr_state==3) process_stat.zombie++; |
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if(process_info.pr_lwp.pr_state==4) process_stat.stopped++; |
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if(process_info.pr_lwp.pr_state==6) process_stat.running++; |
134 |
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if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SLEEPING; |
135 |
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if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = RUNNING; |
136 |
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if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = ZOMBIE; |
137 |
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if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = STOPPED; |
138 |
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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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#ifdef LINUX |
141 |
< |
if((line_ptr=f_read_line(f, "State:"))==NULL){ |
142 |
< |
fclose(f); |
143 |
< |
continue; |
141 |
> |
x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*lu %*lu %*lu %*lu %*lu %lu %lu %*ld %*ld %*ld %d %*ld %*ld %*lu %llu %llu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*lu %*d %*d\n", &(proc_state_ptr->pid), ps_name, &s, &(proc_state_ptr->parent), &(proc_state_ptr->pgid), &utime, &stime, &(proc_state_ptr->nice), &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident)); |
142 |
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proc_state_ptr->proc_resident = proc_state_ptr->proc_resident * getpagesize(); |
143 |
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if(s == 'S') proc_state_ptr->state = SLEEPING; |
144 |
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if(s == 'R') proc_state_ptr->state = RUNNING; |
145 |
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if(s == 'Z') proc_state_ptr->state = ZOMBIE; |
146 |
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if(s == 'T') proc_state_ptr->state = STOPPED; |
147 |
> |
if(s == 'D') proc_state_ptr->state = STOPPED; |
148 |
> |
|
149 |
> |
/* pa_name[0] should = '(' */ |
150 |
> |
ptr = strchr(&ps_name[1], ')'); |
151 |
> |
if(ptr !=NULL) *ptr='\0'; |
152 |
> |
proc_state_ptr->process_name = strdup(&ps_name[1]); |
153 |
> |
|
154 |
> |
/* Need to do cpu */ |
155 |
> |
|
156 |
> |
|
157 |
> |
/* proctitle */ |
158 |
> |
snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name); |
159 |
> |
|
160 |
> |
if((fn=open(filename, O_RDONLY)) == -1){ |
161 |
> |
/* Open failed.. Process since vanished, or the path was too long. |
162 |
> |
* Ah well, move onwards to the next one */ |
163 |
> |
continue; |
164 |
> |
} |
165 |
> |
#define PSARG_START_SIZE 128 |
166 |
> |
if(psargs == NULL){ |
167 |
> |
psargs = malloc(PSARG_START_SIZE); |
168 |
> |
psarg_size = PSARG_START_SIZE; |
169 |
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} |
170 |
< |
if((line_ptr=strchr(line_ptr, '\t'))==NULL){ |
171 |
< |
fclose(f); |
172 |
< |
continue; |
170 |
> |
ptr = psargs; |
171 |
> |
t_read = 0; |
172 |
> |
toread = psarg_size; |
173 |
> |
while((size = read(fn, ptr, toread)) == toread){ |
174 |
> |
psargs = realloc(psargs, (psarg_size + PSARG_START_SIZE)); |
175 |
> |
ptr = psargs+psarg_size; |
176 |
> |
t_read = psarg_size; |
177 |
> |
psarg_size+=PSARG_START_SIZE; |
178 |
> |
toread = PSARG_START_SIZE; |
179 |
|
} |
180 |
< |
line_ptr++; |
181 |
< |
if(line_ptr=='\0'){ |
182 |
< |
fclose(f); |
183 |
< |
continue; |
180 |
> |
if(size != -1) t_read+=size; |
181 |
> |
|
182 |
> |
ptr = psargs; |
183 |
> |
for(x=0; x<t_read; x++){ |
184 |
> |
if (*ptr == '\0') *ptr = ' '; |
185 |
> |
ptr++; |
186 |
|
} |
187 |
+ |
/* for safety sake */ |
188 |
+ |
psargs[t_read] = '\0'; |
189 |
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|
190 |
< |
if(*line_ptr=='S') process_stat.sleeping++; |
127 |
< |
if(*line_ptr=='R') process_stat.running++; |
128 |
< |
if(*line_ptr=='Z') process_stat.zombie++; |
129 |
< |
if(*line_ptr=='T') process_stat.stopped++; |
130 |
< |
if(*line_ptr=='D') process_stat.stopped++; |
131 |
< |
#endif |
190 |
> |
proc_state_ptr->proctitle = strdup(psargs); |
191 |
|
|
133 |
– |
fclose(f); |
134 |
– |
} |
135 |
– |
closedir(proc_dir); |
192 |
|
#endif |
193 |
< |
#ifdef FREEBSD |
194 |
< |
if((kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, NULL)) == NULL){ |
193 |
> |
|
194 |
> |
proc_state_size++; |
195 |
> |
|
196 |
> |
fclose(f); |
197 |
> |
} |
198 |
> |
closedir(proc_dir); |
199 |
> |
#endif |
200 |
> |
|
201 |
> |
#ifdef ALLBSD |
202 |
> |
mib[0] = CTL_KERN; |
203 |
> |
mib[1] = KERN_PROC; |
204 |
> |
mib[2] = KERN_PROC_ALL; |
205 |
> |
|
206 |
> |
if (sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { |
207 |
|
return NULL; |
208 |
|
} |
209 |
|
|
210 |
< |
kp_stats=kvm_getprocs(kvmd, KERN_PROC_ALL, 0, &procs); |
210 |
> |
procs = size / sizeof(struct kinfo_proc); |
211 |
|
|
212 |
< |
while(procs--){ |
213 |
< |
#ifdef FREEBSD5 |
214 |
< |
if (kp_stats[procs].ki_stat == SSLEEP) process_stat.sleeping++; |
215 |
< |
if (kp_stats[procs].ki_stat == SRUN) process_stat.running++; |
216 |
< |
if (kp_stats[procs].ki_stat == SIDL) process_stat.running++; |
217 |
< |
if (kp_stats[procs].ki_stat == SZOMB) process_stat.zombie++; |
218 |
< |
if (kp_stats[procs].ki_stat == SSTOP) process_stat.stopped++; |
219 |
< |
#else |
220 |
< |
if (kp_stats[procs].kp_proc.p_stat == SSLEEP) process_stat.sleeping++; |
221 |
< |
if (kp_stats[procs].kp_proc.p_stat == SRUN) process_stat.running++; |
222 |
< |
if (kp_stats[procs].kp_proc.p_stat == SIDL) process_stat.running++; |
223 |
< |
if (kp_stats[procs].kp_proc.p_stat == SZOMB) process_stat.zombie++; |
224 |
< |
if (kp_stats[procs].kp_proc.p_stat == SSTOP) process_stat.stopped++; |
212 |
> |
kp_stats = malloc(size); |
213 |
> |
if (kp_stats == NULL) { |
214 |
> |
return NULL; |
215 |
> |
} |
216 |
> |
|
217 |
> |
if (sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) { |
218 |
> |
free(kp_stats); |
219 |
> |
return NULL; |
220 |
> |
} |
221 |
> |
|
222 |
> |
for (i = 0; i < procs; i++) { |
223 |
> |
proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t)); |
224 |
> |
proc_state_ptr = proc_state+proc_state_size; |
225 |
> |
|
226 |
> |
proc_state_ptr->process_name = strdup(kp_stats[i].ki_comm); |
227 |
> |
/* Seems we don't have access to that bit of memory */ |
228 |
> |
/*proc_state_ptr->proctitle = strdup(kp_stats[i].ki_args->ar_args);*/ |
229 |
> |
|
230 |
> |
proc_state_ptr->pid = kp_stats[i].ki_pid; |
231 |
> |
proc_state_ptr->parent = kp_stats[i].ki_ppid; |
232 |
> |
proc_state_ptr->pgid = kp_stats[i].ki_pgid; |
233 |
> |
|
234 |
> |
proc_state_ptr->uid = kp_stats[i].ki_ruid; |
235 |
> |
proc_state_ptr->euid = kp_stats[i].ki_uid; |
236 |
> |
proc_state_ptr->gid = kp_stats[i].ki_rgid; |
237 |
> |
proc_state_ptr->egid = kp_stats[i].ki_svgid; |
238 |
> |
|
239 |
> |
proc_state_ptr->proc_size = kp_stats[i].ki_size; |
240 |
> |
/* This is in pages */ |
241 |
> |
proc_state_ptr->proc_resident = kp_stats[i].ki_rssize * getpagesize(); |
242 |
> |
/* This seems to be in microseconds */ |
243 |
> |
proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000; |
244 |
> |
proc_state_ptr->cpu_percent = kp_stats[i].ki_pctcpu; |
245 |
> |
proc_state_ptr->nice = kp_stats[i].ki_nice; |
246 |
> |
|
247 |
> |
switch (kp_stats[i].ki_stat) { |
248 |
> |
case SIDL: |
249 |
> |
case SRUN: |
250 |
> |
#ifdef SONPROC |
251 |
> |
case SONPROC: /* NetBSD */ |
252 |
|
#endif |
253 |
+ |
proc_state_ptr->state = RUNNING; |
254 |
+ |
break; |
255 |
+ |
case SSLEEP: |
256 |
+ |
#ifdef SWAIT |
257 |
+ |
case SWAIT: /* FreeBSD 5 */ |
258 |
+ |
#endif |
259 |
+ |
#ifdef SLOCK |
260 |
+ |
case SLOCK: /* FreeBSD 5 */ |
261 |
+ |
#endif |
262 |
+ |
proc_state_ptr->state = SLEEPING; |
263 |
+ |
break; |
264 |
+ |
case SSTOP: |
265 |
+ |
proc_state_ptr->state = STOPPED; |
266 |
+ |
break; |
267 |
+ |
case SZOMB: |
268 |
+ |
#ifdef SDEAD |
269 |
+ |
case SDEAD: /* OpenBSD & NetBSD */ |
270 |
+ |
#endif |
271 |
+ |
proc_state_ptr->state = ZOMBIE; |
272 |
+ |
break; |
273 |
+ |
} |
274 |
+ |
proc_state_size++; |
275 |
|
} |
276 |
|
|
277 |
< |
kvm_close(kvmd); |
277 |
> |
free(kp_stats); |
278 |
|
#endif |
279 |
|
|
280 |
< |
process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped; |
281 |
< |
return &process_stat; |
280 |
> |
*ps = proc_state; |
281 |
> |
return proc_state_size; |
282 |
|
} |