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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) 2000-2002 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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* |
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* This program 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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* |
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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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*/ |
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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 <stdio.h> |
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#include <string.h> |
| 27 |
#include <sys/ioctl.h> |
| 28 |
#include <unistd.h> |
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#include <stdlib.h> |
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#include <sys/termios.h> |
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#include <signal.h> |
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#include <errno.h> |
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#include <statgrab.h> |
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#include <sys/times.h> |
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#include <limits.h> |
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#include <time.h> |
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|
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#ifdef HAVE_NCURSES_H |
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#include <ncurses.h> |
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#else |
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#include <curses.h> |
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#endif |
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|
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typedef struct{ |
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cpu_percent_t *cpu_percents; |
| 46 |
mem_stat_t *mem_stats; |
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swap_stat_t *swap_stats; |
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load_stat_t *load_stats; |
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process_stat_t *process_stats; |
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page_stat_t *page_stats; |
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|
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network_stat_t *network_stats; |
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int network_entries; |
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|
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diskio_stat_t *diskio_stats; |
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int diskio_entries; |
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|
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disk_stat_t *disk_stats; |
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int disk_entries; |
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|
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general_stat_t *general_stats; |
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user_stat_t *user_stats; |
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}stats_t; |
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|
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stats_t stats; |
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|
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char *size_conv(long long number){ |
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char type[] = {'B', 'K', 'M', 'G', 'T'}; |
| 69 |
int x=0; |
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static char string[10]; |
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|
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for(;x<5;x++){ |
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if( (number/1024) < (100)) { |
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break; |
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} |
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number = (number/1024); |
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} |
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|
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snprintf(string, 10, "%lld%c", number, type[x]); |
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return string; |
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|
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} |
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|
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char *hr_uptime(time_t time){ |
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int day = 0, hour = 0, min = 0; |
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static char uptime_str[25]; |
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int sec = (int) time; |
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|
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day = sec / (24*60*60); |
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sec = sec % (24*60*60); |
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hour = sec / (60*60); |
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sec = sec % (60*60); |
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min = sec / 60; |
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sec = sec % 60; |
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|
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if(day){ |
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snprintf(uptime_str, 25, "%dd %02d:%02d:%02d", day, hour, min, sec); |
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}else{ |
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snprintf(uptime_str, 25, "%02d:%02d:%02d", hour, min, sec); |
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} |
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return uptime_str; |
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} |
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|
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void display_headings(){ |
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move(0,0); |
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printw("Hostname :"); |
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move(0,27); |
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printw("Uptime : "); |
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move(0,54); |
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printw("Date : "); |
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|
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/* 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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|
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/* CPU */ |
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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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|
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/* 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"); |
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move(10, 67); |
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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"); |
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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]; |
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struct tm *tm_time; |
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time_t epoc_time; |
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int counter; |
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long long r,w; |
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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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|
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/* Swap */ |
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move(6, 32); |
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printw("%8s", size_conv(stats.swap_stats->total)); |
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move(7, 32); |
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printw("%8s", size_conv(stats.swap_stats->used)); |
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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); |
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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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|
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/* Paging */ |
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move(6, 74); |
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printw("%5d", (stats.page_stats->systime)? (stats.page_stats->pages_pagein / stats.page_stats->systime): stats.page_stats->pages_pagein); |
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move(7, 74); |
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printw("%5d", (stats.page_stats->systime)? (stats.page_stats->pages_pageout / stats.page_stats->systime) : stats.page_stats->pages_pageout); |
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|
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/* Disk IO */ |
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diskio_stat_ptr = stats.diskio_stats; |
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r=0; |
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w=0; |
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for(counter=0;counter<stats.diskio_entries;counter++){ |
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move(11+counter, 0); |
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printw("%s", diskio_stat_ptr->disk_name); |
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move(11+counter, 12); |
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rt = (diskio_stat_ptr->systime)? (diskio_stat_ptr->read_bytes/diskio_stat_ptr->systime): diskio_stat_ptr->read_bytes; |
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printw("%7s", size_conv(rt)); |
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r+=rt; |
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move(11+counter, 26); |
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wt = (diskio_stat_ptr->systime)? (diskio_stat_ptr->write_bytes/diskio_stat_ptr->systime): diskio_stat_ptr->write_bytes; |
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printw("%7s", size_conv(wt)); |
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w+=wt; |
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diskio_stat_ptr++; |
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} |
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move(12+counter, 0); |
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printw("Total"); |
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move(12+counter, 12); |
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printw("%7s", size_conv(r)); |
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move(12+counter, 26); |
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printw("%7s", size_conv(w)); |
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|
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/* Network */ |
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network_stat_ptr = stats.network_stats; |
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for(counter=0;counter<stats.network_entries;counter++){ |
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move(11+counter, 42); |
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printw("%s", network_stat_ptr->interface_name); |
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move(11+counter, 62); |
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rt = (network_stat_ptr->systime)? (network_stat_ptr->rx / network_stat_ptr->systime): network_stat_ptr->rx; |
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printw("%7s", size_conv(rt)); |
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move(11+counter, 72); |
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wt = (network_stat_ptr->systime)? (network_stat_ptr->tx / network_stat_ptr->systime): network_stat_ptr->tx; |
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printw("%7s", size_conv(wt)); |
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network_stat_ptr++; |
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} |
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|
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disk_stat_ptr = stats.disk_stats; |
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for(counter=0;counter<stats.disk_entries;counter++){ |
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move(13+stats.network_entries+counter, 42); |
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printw("%s", disk_stat_ptr->mnt_point); |
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move(13+stats.network_entries+counter, 62); |
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printw("%7s", size_conv(disk_stat_ptr->avail)); |
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move(13+stats.network_entries+counter, 73); |
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printw("%5.2f%%", 100.00 * ((float)disk_stat_ptr->used / (float)disk_stat_ptr->size)); |
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disk_stat_ptr++; |
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} |
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|
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refresh(); |
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} |
| 331 |
|
| 332 |
void sig_winch_handler(int sig){ |
| 333 |
clear(); |
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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; |
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|
| 352 |
return 1; |
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} |
| 354 |
|
| 355 |
int main(int argc, char **argv){ |
| 356 |
|
| 357 |
extern char *optarg; |
| 358 |
extern int optind; |
| 359 |
int c; |
| 360 |
|
| 361 |
WINDOW *window; |
| 362 |
|
| 363 |
int stdin_fileno; |
| 364 |
fd_set infds; |
| 365 |
struct timeval timeout; |
| 366 |
|
| 367 |
extern int errno; |
| 368 |
char ch; |
| 369 |
|
| 370 |
int delay=2; |
| 371 |
|
| 372 |
while ((c = getopt(argc, argv, "d:")) != EOF){ |
| 373 |
switch (c){ |
| 374 |
case 'd': |
| 375 |
delay = atoi(optarg); |
| 376 |
if (delay == 0){ |
| 377 |
fprintf(stderr, "Time must be 1 second or greater\n"); |
| 378 |
exit(1); |
| 379 |
} |
| 380 |
delay--; |
| 381 |
break; |
| 382 |
} |
| 383 |
} |
| 384 |
|
| 385 |
signal(SIGWINCH, sig_winch_handler); |
| 386 |
initscr(); |
| 387 |
nonl(); |
| 388 |
cbreak(); |
| 389 |
noecho(); |
| 390 |
window=newwin(0, 0, 0, 0); |
| 391 |
clear(); |
| 392 |
|
| 393 |
if(!get_stats()){ |
| 394 |
fprintf(stderr, "Failed to get all the stats. Please check correct permissions\n"); |
| 395 |
endwin(); |
| 396 |
return 1; |
| 397 |
} |
| 398 |
|
| 399 |
display_headings(); |
| 400 |
stdin_fileno=fileno(stdin); |
| 401 |
|
| 402 |
for(;;){ |
| 403 |
|
| 404 |
FD_ZERO(&infds); |
| 405 |
FD_SET(stdin_fileno, &infds); |
| 406 |
timeout.tv_sec = delay; |
| 407 |
timeout.tv_usec = 0; |
| 408 |
|
| 409 |
if((select((stdin_fileno+1), &infds, NULL, NULL, &timeout)) == -1){ |
| 410 |
if(errno!=EINTR){ |
| 411 |
perror("select failed"); |
| 412 |
exit(1); |
| 413 |
} |
| 414 |
} |
| 415 |
|
| 416 |
if(FD_ISSET(stdin_fileno, &infds)){ |
| 417 |
ch=getch(); |
| 418 |
if (ch == 'q'){ |
| 419 |
endwin(); |
| 420 |
return 0; |
| 421 |
} |
| 422 |
} |
| 423 |
|
| 424 |
get_stats(); |
| 425 |
|
| 426 |
display_data(); |
| 427 |
|
| 428 |
/* To keep the numbers slightly accurate we do not want them updating more |
| 429 |
* frequently than once a second. |
| 430 |
*/ |
| 431 |
sleep(1); |
| 432 |
|
| 433 |
} |
| 434 |
|
| 435 |
|
| 436 |
|
| 437 |
endwin(); |
| 438 |
return 0; |
| 439 |
} |
