| 1 |
/* |
| 2 |
* i-scream central monitoring system |
| 3 |
* http://www.i-scream.org |
| 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 <string.h> |
| 27 |
#include <sys/ioctl.h> |
| 28 |
#include <unistd.h> |
| 29 |
#include <stdlib.h> |
| 30 |
#include <sys/termios.h> |
| 31 |
#include <signal.h> |
| 32 |
#include <errno.h> |
| 33 |
#include <statgrab.h> |
| 34 |
#include <sys/times.h> |
| 35 |
#include <limits.h> |
| 36 |
#include <time.h> |
| 37 |
|
| 38 |
#ifdef HAVE_NCURSES_H |
| 39 |
#include <ncurses.h> |
| 40 |
#else |
| 41 |
#include <curses.h> |
| 42 |
#endif |
| 43 |
|
| 44 |
typedef struct{ |
| 45 |
cpu_percent_t *cpu_percents; |
| 46 |
mem_stat_t *mem_stats; |
| 47 |
swap_stat_t *swap_stats; |
| 48 |
load_stat_t *load_stats; |
| 49 |
process_stat_t *process_stats; |
| 50 |
page_stat_t *page_stats; |
| 51 |
|
| 52 |
network_stat_t *network_stats; |
| 53 |
int network_entries; |
| 54 |
|
| 55 |
diskio_stat_t *diskio_stats; |
| 56 |
int diskio_entries; |
| 57 |
|
| 58 |
disk_stat_t *disk_stats; |
| 59 |
int disk_entries; |
| 60 |
|
| 61 |
general_stat_t *general_stats; |
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user_stat_t *user_stats; |
| 63 |
}stats_t; |
| 64 |
|
| 65 |
stats_t stats; |
| 66 |
|
| 67 |
char *size_conv(long long number){ |
| 68 |
char type[] = {'B', 'K', 'M', 'G', 'T'}; |
| 69 |
int x=0; |
| 70 |
static char string[10]; |
| 71 |
|
| 72 |
for(;x<5;x++){ |
| 73 |
if( (number/1024) < (100)) { |
| 74 |
break; |
| 75 |
} |
| 76 |
number = (number/1024); |
| 77 |
} |
| 78 |
|
| 79 |
snprintf(string, 10, "%lld%c", number, type[x]); |
| 80 |
return string; |
| 81 |
|
| 82 |
} |
| 83 |
|
| 84 |
char *hr_uptime(time_t time){ |
| 85 |
int day = 0, hour = 0, min = 0; |
| 86 |
static char uptime_str[25]; |
| 87 |
int sec = (int) time; |
| 88 |
|
| 89 |
day = sec / (24*60*60); |
| 90 |
sec = sec % (24*60*60); |
| 91 |
hour = sec / (60*60); |
| 92 |
sec = sec % (60*60); |
| 93 |
min = sec / 60; |
| 94 |
sec = sec % 60; |
| 95 |
|
| 96 |
if(day){ |
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snprintf(uptime_str, 25, "%dd %02d:%02d:%02d", day, hour, min, sec); |
| 98 |
}else{ |
| 99 |
snprintf(uptime_str, 25, "%02d:%02d:%02d", hour, min, sec); |
| 100 |
} |
| 101 |
return uptime_str; |
| 102 |
} |
| 103 |
|
| 104 |
void display_headings(){ |
| 105 |
move(0,0); |
| 106 |
printw("Hostname :"); |
| 107 |
move(0,27); |
| 108 |
printw("Uptime : "); |
| 109 |
move(0,54); |
| 110 |
printw("Date : "); |
| 111 |
|
| 112 |
/* Load */ |
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move(2,0); |
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printw("Load 1 :"); |
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move(3,0); |
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printw("Load 5 :"); |
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move(4,0); |
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printw("Load 15 :"); |
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|
| 120 |
/* CPU */ |
| 121 |
move(2,21); |
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printw("CPU Idle :"); |
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move(3,21); |
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printw("CPU System:"); |
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move(4,21); |
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printw("CPU User :"); |
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|
| 128 |
/* Process */ |
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move(2, 42); |
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printw("Running :"); |
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move(3, 42); |
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printw("Sleeping :"); |
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move(4, 42); |
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printw("Stopped :"); |
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move(2, 62); |
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printw("Zombie :"); |
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move(3, 62); |
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printw("Total :"); |
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move(4, 62); |
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printw("No. Users :"); |
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|
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/* Mem */ |
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move(6, 0); |
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printw("Mem Total :"); |
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move(7, 0); |
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printw("Mem Used :"); |
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move(8, 0); |
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printw("Mem Free :"); |
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|
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/* Swap */ |
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move(6, 21); |
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printw("Swap Total:"); |
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move(7, 21); |
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printw("Swap Used :"); |
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move(8, 21); |
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printw("Swap Free :"); |
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|
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/* VM */ |
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move(6, 42); |
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printw("Mem Used :"); |
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move(7, 42); |
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printw("Swap Used :"); |
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move(8, 42); |
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printw("Total Used:"); |
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|
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/* Paging */ |
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move(6, 62); |
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printw("Paging in :"); |
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move(7, 62); |
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printw("Paging out:"); |
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|
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/* Disk IO */ |
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move(10,0); |
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printw("Disk Name"); |
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move(10,15); |
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printw("Read"); |
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move(10,28); |
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printw("Write"); |
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|
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/* Network IO */ |
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move(10, 42); |
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printw("Network Interface"); |
| 183 |
move(10, 67); |
| 184 |
printw("rx"); |
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move(10,77); |
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printw("tx"); |
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|
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move(12+stats.network_entries, 42); |
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printw("Mount Point"); |
| 190 |
move(12+stats.network_entries, 65); |
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printw("Free"); |
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move(12+stats.network_entries, 75); |
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printw("Used"); |
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|
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refresh(); |
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} |
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|
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void display_data(){ |
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char cur_time[20]; |
| 200 |
struct tm *tm_time; |
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time_t epoc_time; |
| 202 |
int counter; |
| 203 |
long long r,w; |
| 204 |
long long rt, wt; |
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diskio_stat_t *diskio_stat_ptr; |
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network_stat_t *network_stat_ptr; |
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disk_stat_t *disk_stat_ptr; |
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|
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move(0,12); |
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printw("%s", stats.general_stats->hostname); |
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move(0,36); |
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printw("%s", hr_uptime(stats.general_stats->uptime)); |
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epoc_time=time(NULL); |
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tm_time = localtime(&epoc_time); |
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strftime(cur_time, 20, "%Y-%m-%d %T", tm_time); |
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move(0,61); |
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printw("%s", cur_time); |
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|
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/* Load */ |
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move(2,12); |
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printw("%6.2f", stats.load_stats->min1); |
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move(3,12); |
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printw("%6.2f", stats.load_stats->min5); |
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move(4,12); |
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printw("%6.2f", stats.load_stats->min15); |
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|
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/* CPU */ |
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move(2,33); |
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printw("%6.2f%%", stats.cpu_percents->idle); |
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move(3,33); |
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printw("%6.2f%%", (stats.cpu_percents->kernel + stats.cpu_percents->iowait + stats.cpu_percents->swap)); |
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move(4,33); |
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printw("%6.2f%%", (stats.cpu_percents->user + stats.cpu_percents->nice)); |
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|
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/* Process */ |
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move(2, 54); |
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printw("%5d", stats.process_stats->running); |
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move(2,74); |
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printw("%5d", stats.process_stats->zombie); |
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move(3, 54); |
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printw("%5d", stats.process_stats->sleeping); |
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move(3, 74); |
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printw("%5d", stats.process_stats->total); |
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move(4, 54); |
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printw("%5d", stats.process_stats->stopped); |
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move(4,74); |
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printw("%5d", stats.user_stats->num_entries); |
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|
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/* Mem */ |
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|
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move(6, 12); |
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printw("%7s", size_conv(stats.mem_stats->total)); |
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move(7, 12); |
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printw("%7s", size_conv(stats.mem_stats->used)); |
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move(8, 12); |
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printw("%7s", size_conv(stats.mem_stats->free)); |
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|
| 258 |
/* Swap */ |
| 259 |
move(6, 32); |
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printw("%8s", size_conv(stats.swap_stats->total)); |
| 261 |
move(7, 32); |
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printw("%8s", size_conv(stats.swap_stats->used)); |
| 263 |
move(8, 32); |
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printw("%8s", size_conv(stats.swap_stats->free)); |
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|
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/* VM */ |
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move(6, 54); |
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printw("%5.2f%%", (100.00 * (float)(stats.mem_stats->used)/stats.mem_stats->total)); |
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move(7, 54); |
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printw("%5.2f%%", (100.00 * (float)(stats.swap_stats->used)/stats.swap_stats->total)); |
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move(8, 54); |
| 272 |
printw("%5.2f%%", (100.00 * (float)(stats.mem_stats->used+stats.swap_stats->used)/(stats.mem_stats->total+stats.swap_stats->total))); |
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|
| 274 |
/* Paging */ |
| 275 |
move(6, 74); |
| 276 |
printw("%5d", (stats.page_stats->systime)? (stats.page_stats->pages_pagein / stats.page_stats->systime): stats.page_stats->pages_pagein); |
| 277 |
move(7, 74); |
| 278 |
printw("%5d", (stats.page_stats->systime)? (stats.page_stats->pages_pageout / stats.page_stats->systime) : stats.page_stats->pages_pageout); |
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|
| 280 |
/* Disk IO */ |
| 281 |
diskio_stat_ptr = stats.diskio_stats; |
| 282 |
r=0; |
| 283 |
w=0; |
| 284 |
for(counter=0;counter<stats.diskio_entries;counter++){ |
| 285 |
move(11+counter, 0); |
| 286 |
printw("%s", diskio_stat_ptr->disk_name); |
| 287 |
move(11+counter, 12); |
| 288 |
rt = (diskio_stat_ptr->systime)? (diskio_stat_ptr->read_bytes/diskio_stat_ptr->systime): diskio_stat_ptr->read_bytes; |
| 289 |
printw("%7s", size_conv(rt)); |
| 290 |
r+=rt; |
| 291 |
move(11+counter, 26); |
| 292 |
wt = (diskio_stat_ptr->systime)? (diskio_stat_ptr->write_bytes/diskio_stat_ptr->systime): diskio_stat_ptr->write_bytes; |
| 293 |
printw("%7s", size_conv(wt)); |
| 294 |
w+=wt; |
| 295 |
diskio_stat_ptr++; |
| 296 |
} |
| 297 |
move(12+counter, 0); |
| 298 |
printw("Total"); |
| 299 |
move(12+counter, 12); |
| 300 |
printw("%7s", size_conv(r)); |
| 301 |
move(12+counter, 26); |
| 302 |
printw("%7s", size_conv(w)); |
| 303 |
|
| 304 |
/* Network */ |
| 305 |
network_stat_ptr = stats.network_stats; |
| 306 |
for(counter=0;counter<stats.network_entries;counter++){ |
| 307 |
move(11+counter, 42); |
| 308 |
printw("%s", network_stat_ptr->interface_name); |
| 309 |
move(11+counter, 62); |
| 310 |
rt = (network_stat_ptr->systime)? (network_stat_ptr->rx / network_stat_ptr->systime): network_stat_ptr->rx; |
| 311 |
printw("%7s", size_conv(rt)); |
| 312 |
move(11+counter, 72); |
| 313 |
wt = (network_stat_ptr->systime)? (network_stat_ptr->tx / network_stat_ptr->systime): network_stat_ptr->tx; |
| 314 |
printw("%7s", size_conv(wt)); |
| 315 |
network_stat_ptr++; |
| 316 |
} |
| 317 |
|
| 318 |
disk_stat_ptr = stats.disk_stats; |
| 319 |
for(counter=0;counter<stats.disk_entries;counter++){ |
| 320 |
move(13+stats.network_entries+counter, 42); |
| 321 |
printw("%s", disk_stat_ptr->mnt_point); |
| 322 |
move(13+stats.network_entries+counter, 62); |
| 323 |
printw("%7s", size_conv(disk_stat_ptr->avail)); |
| 324 |
move(13+stats.network_entries+counter, 73); |
| 325 |
printw("%5.2f%%", 100.00 * ((float)disk_stat_ptr->used / (float)disk_stat_ptr->size)); |
| 326 |
disk_stat_ptr++; |
| 327 |
} |
| 328 |
|
| 329 |
refresh(); |
| 330 |
} |
| 331 |
|
| 332 |
void sig_winch_handler(int sig){ |
| 333 |
clear(); |
| 334 |
display_headings(); |
| 335 |
display_data(); |
| 336 |
signal(SIGWINCH, sig_winch_handler); |
| 337 |
} |
| 338 |
|
| 339 |
int get_stats(){ |
| 340 |
if((stats.cpu_percents = cpu_percent_usage()) == NULL) return 0; |
| 341 |
if((stats.mem_stats = get_memory_stats()) == NULL) return 0; |
| 342 |
if((stats.swap_stats = get_swap_stats()) == NULL) return 0; |
| 343 |
if((stats.load_stats = get_load_stats()) == NULL) return 0; |
| 344 |
if((stats.process_stats = get_process_stats()) == NULL) return 0; |
| 345 |
if((stats.page_stats = get_page_stats_diff()) == NULL) return 0; |
| 346 |
if((stats.network_stats = get_network_stats_diff(&(stats.network_entries))) == NULL) return 0; |
| 347 |
if((stats.diskio_stats = get_diskio_stats_diff(&(stats.diskio_entries))) == NULL) return 0; |
| 348 |
if((stats.disk_stats = get_disk_stats(&(stats.disk_entries))) == NULL) return 0; |
| 349 |
if((stats.general_stats = get_general_stats()) == NULL) return 0; |
| 350 |
if((stats.user_stats = get_user_stats()) == NULL) return 0; |
| 351 |
|
| 352 |
return 1; |
| 353 |
} |
| 354 |
|
| 355 |
void version_num(char *progname){ |
| 356 |
fprintf(stderr, "%s version %s\n", progname, PACKAGE_VERSION); |
| 357 |
fprintf(stderr, "\nReport bugs to <%s>.\n", PACKAGE_BUGREPORT); |
| 358 |
exit(1); |
| 359 |
} |
| 360 |
|
| 361 |
void usage(char *progname){ |
| 362 |
fprintf(stderr, "Usage: %s [-d delay] [-v] [-h]\n\n", progname); |
| 363 |
fprintf(stderr, " -d Sets the update time in seconds\n"); |
| 364 |
fprintf(stderr, " -v Prints version number\n"); |
| 365 |
fprintf(stderr, " -h Displays this help information.\n"); |
| 366 |
fprintf(stderr, "\nReport bugs to <%s>.\n", PACKAGE_BUGREPORT); |
| 367 |
exit(1); |
| 368 |
|
| 369 |
} |
| 370 |
|
| 371 |
int main(int argc, char **argv){ |
| 372 |
|
| 373 |
extern char *optarg; |
| 374 |
extern int optind; |
| 375 |
int c; |
| 376 |
|
| 377 |
WINDOW *window; |
| 378 |
|
| 379 |
int stdin_fileno; |
| 380 |
fd_set infds; |
| 381 |
struct timeval timeout; |
| 382 |
|
| 383 |
extern int errno; |
| 384 |
char ch; |
| 385 |
|
| 386 |
int delay=2; |
| 387 |
|
| 388 |
while ((c = getopt(argc, argv, "vhd:")) != EOF){ |
| 389 |
switch (c){ |
| 390 |
case 'd': |
| 391 |
delay = atoi(optarg); |
| 392 |
if (delay == 0){ |
| 393 |
fprintf(stderr, "Time must be 1 second or greater\n"); |
| 394 |
exit(1); |
| 395 |
} |
| 396 |
delay--; |
| 397 |
break; |
| 398 |
case 'v': |
| 399 |
version_num(argv[0]); |
| 400 |
break; |
| 401 |
case 'h': |
| 402 |
default: |
| 403 |
usage(argv[0]); |
| 404 |
return 1; |
| 405 |
break; |
| 406 |
|
| 407 |
} |
| 408 |
} |
| 409 |
|
| 410 |
signal(SIGWINCH, sig_winch_handler); |
| 411 |
initscr(); |
| 412 |
nonl(); |
| 413 |
cbreak(); |
| 414 |
noecho(); |
| 415 |
window=newwin(0, 0, 0, 0); |
| 416 |
clear(); |
| 417 |
|
| 418 |
if(!get_stats()){ |
| 419 |
fprintf(stderr, "Failed to get all the stats. Please check correct permissions\n"); |
| 420 |
endwin(); |
| 421 |
return 1; |
| 422 |
} |
| 423 |
|
| 424 |
display_headings(); |
| 425 |
stdin_fileno=fileno(stdin); |
| 426 |
|
| 427 |
for(;;){ |
| 428 |
|
| 429 |
FD_ZERO(&infds); |
| 430 |
FD_SET(stdin_fileno, &infds); |
| 431 |
timeout.tv_sec = delay; |
| 432 |
timeout.tv_usec = 0; |
| 433 |
|
| 434 |
if((select((stdin_fileno+1), &infds, NULL, NULL, &timeout)) == -1){ |
| 435 |
if(errno!=EINTR){ |
| 436 |
perror("select failed"); |
| 437 |
exit(1); |
| 438 |
} |
| 439 |
} |
| 440 |
|
| 441 |
if(FD_ISSET(stdin_fileno, &infds)){ |
| 442 |
ch=getch(); |
| 443 |
if (ch == 'q'){ |
| 444 |
endwin(); |
| 445 |
return 0; |
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
get_stats(); |
| 450 |
|
| 451 |
display_data(); |
| 452 |
|
| 453 |
/* To keep the numbers slightly accurate we do not want them updating more |
| 454 |
* frequently than once a second. |
| 455 |
*/ |
| 456 |
sleep(1); |
| 457 |
|
| 458 |
} |
| 459 |
|
| 460 |
|
| 461 |
|
| 462 |
endwin(); |
| 463 |
return 0; |
| 464 |
} |
