| 1 |
tdb |
1.13 |
/* |
| 2 |
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* i-scream central monitoring system |
| 3 |
tdb |
1.14 |
* http://www.i-scream.org.uk |
| 4 |
tdb |
1.13 |
* Copyright (C) 2000-2002 i-scream |
| 5 |
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* |
| 6 |
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* This program is free software; you can redistribute it and/or |
| 7 |
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* modify it under the terms of the GNU General Public License |
| 8 |
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* as published by the Free Software Foundation; either version 2 |
| 9 |
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* of the License, or (at your option) any later version. |
| 10 |
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* |
| 11 |
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* This program is distributed in the hope that it will be useful, |
| 12 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
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* GNU General Public License for more details. |
| 15 |
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* |
| 16 |
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* You should have received a copy of the GNU General Public License |
| 17 |
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* along with this program; if not, write to the Free Software |
| 18 |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 |
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*/ |
| 20 |
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| 21 |
pajs |
1.1 |
#include <stdio.h> |
| 22 |
|
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#include <stdlib.h> |
| 23 |
pajs |
1.11 |
#include "ukcprog.h" |
| 24 |
pajs |
1.1 |
#include <string.h> |
| 25 |
|
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#include <unistd.h> |
| 26 |
|
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#include <sys/utsname.h> |
| 27 |
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#include <sys/vfs.h> |
| 28 |
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#include <utmp.h> |
| 29 |
|
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#include <pwd.h> |
| 30 |
pajs |
1.8 |
#include <mntent.h> |
| 31 |
pajs |
1.10 |
#include <dirent.h> |
| 32 |
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#include <limits.h> |
| 33 |
pajs |
1.1 |
|
| 34 |
tdb |
1.4 |
int die() { |
| 35 |
|
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exit (1); |
| 36 |
pajs |
1.1 |
} |
| 37 |
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|
| 38 |
tdb |
1.4 |
void getLoadAv() { |
| 39 |
pajs |
1.9 |
#ifdef OLDLIBC |
| 40 |
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| 41 |
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FILE *f; |
| 42 |
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char *loadavg; |
| 43 |
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char *load_p; |
| 44 |
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| 45 |
|
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if ((f=fopen("/proc/loadavg", "r" ))==NULL) { |
| 46 |
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errf("Failed to open load averages (%m)"); |
| 47 |
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die(); |
| 48 |
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} |
| 49 |
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| 50 |
|
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if ((loadavg=fpgetline(f)) == NULL) { |
| 51 |
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errf("Failed to read any data for load averages (%m)"); |
| 52 |
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die(); |
| 53 |
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} |
| 54 |
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| 55 |
|
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if ((fclose(f)) != 0) { |
| 56 |
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errf("Failed to close file (%m)."); |
| 57 |
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die(); |
| 58 |
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} |
| 59 |
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| 60 |
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load_p=strtok(loadavg, " "); |
| 61 |
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printf("packet.load.load1 %s\n",load_p); |
| 62 |
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for(; (*load_p != ' ') && (*load_p != '\0'); load_p++); |
| 63 |
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load_p++; |
| 64 |
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if (load_p == NULL) abort(); |
| 65 |
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load_p=strtok(load_p, " "); |
| 66 |
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if (load_p == NULL) abort(); |
| 67 |
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printf("packet.load.load5 %s\n",load_p); |
| 68 |
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for(; (*load_p != ' ') && (*load_p != '\0'); load_p++); |
| 69 |
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load_p++; |
| 70 |
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if (load_p == NULL) abort(); |
| 71 |
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load_p=strtok(load_p, " "); |
| 72 |
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if (load_p == NULL) abort(); |
| 73 |
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printf("packet.load.load15 %s\n",load_p); |
| 74 |
pajs |
1.8 |
|
| 75 |
pajs |
1.9 |
#else |
| 76 |
pajs |
1.8 |
double loadav[3]; |
| 77 |
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| 78 |
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if((getloadavg(loadav,3)) == -1){ |
| 79 |
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errf("Failed to get load averages (%m)"); |
| 80 |
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die(); |
| 81 |
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} |
| 82 |
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| 83 |
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printf("packet.load.load1 %.2f\n",loadav[0]); |
| 84 |
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printf("packet.load.load5 %.2f\n",loadav[1]); |
| 85 |
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printf("packet.load.load15 %.2f\n",loadav[2]); |
| 86 |
pajs |
1.9 |
#endif |
| 87 |
pajs |
1.1 |
} |
| 88 |
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|
| 89 |
tdb |
1.4 |
void getMemInfo() { |
| 90 |
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char *line; |
| 91 |
pajs |
1.6 |
char *mem=NULL; |
| 92 |
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char *swap=NULL; |
| 93 |
tdb |
1.4 |
char *ch; |
| 94 |
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long memstat[6]; |
| 95 |
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long swapstat[3]; |
| 96 |
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long tmp; |
| 97 |
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int counter=0; |
| 98 |
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| 99 |
|
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FILE *f; |
| 100 |
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| 101 |
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if ((f=fopen("/proc/meminfo", "r" ))==NULL) { |
| 102 |
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errf("Failed to open memory stats (%m)"); |
| 103 |
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die(); |
| 104 |
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} |
| 105 |
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| 106 |
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while(((line=fpgetline(f)) != NULL) && (counter < 2)) { |
| 107 |
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if (((strncmp("Mem: ",line,5)) == 0)) { |
| 108 |
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mem=strdup(line); |
| 109 |
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counter++; |
| 110 |
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} |
| 111 |
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if (((strncmp(line,"Swap: ",6)) == 0)) { |
| 112 |
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swap=strdup(line); |
| 113 |
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counter++; |
| 114 |
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} |
| 115 |
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} |
| 116 |
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| 117 |
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if ((fclose(f)) != 0) { |
| 118 |
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errf("Failed to close file (%m)."); |
| 119 |
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die(); |
| 120 |
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} |
| 121 |
pajs |
1.6 |
|
| 122 |
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if (mem==NULL || swap==NULL){ |
| 123 |
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errf("Failed to obtain information required for memory and swap stats"); |
| 124 |
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die(); |
| 125 |
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} |
| 126 |
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| 127 |
tdb |
1.4 |
/* Get the info we want from the 2 read in lines */ |
| 128 |
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| 129 |
|
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ch = strchr(mem, ' '); |
| 130 |
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if (ch == NULL) abort(); |
| 131 |
|
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*ch = '\0'; |
| 132 |
|
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ch++; |
| 133 |
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| 134 |
|
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/* By now we should of skipped the mem: bit.. onto the numbers */ |
| 135 |
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| 136 |
|
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for(counter=0;counter<6;counter++) { |
| 137 |
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for (; (*ch == ' '); ch++); |
| 138 |
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if (ch == NULL) abort(); |
| 139 |
|
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memstat[counter]=atol(ch); |
| 140 |
|
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ch++; |
| 141 |
|
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for(; (*ch != ' ') && (*ch != '\0'); ch++); |
| 142 |
|
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if (ch == NULL) abort(); |
| 143 |
|
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} |
| 144 |
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| 145 |
|
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/* Now swap.. */ |
| 146 |
|
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ch = strchr(swap, ' '); |
| 147 |
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if (ch == NULL) abort(); |
| 148 |
|
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*ch = '\0'; |
| 149 |
|
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ch++; |
| 150 |
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| 151 |
|
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for(counter=0;counter<3;counter++) { |
| 152 |
|
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for (; (*ch == ' '); ch++); |
| 153 |
|
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if (ch == NULL) abort(); |
| 154 |
|
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swapstat[counter]=atol(ch); |
| 155 |
|
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ch++; |
| 156 |
|
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for(; (*ch != ' ') && (*ch != '\0'); ch++); |
| 157 |
|
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if (ch == NULL) abort(); |
| 158 |
|
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} |
| 159 |
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|
| 160 |
|
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printf("packet.memory.total %ld\n",((memstat[0]/1024)/1024)); |
| 161 |
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| 162 |
|
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/* Due to batty linux we do some maths to work out roughly what the free ram is */ |
| 163 |
|
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tmp=((memstat[1] - memstat[4])/1024)/1024; |
| 164 |
|
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printf("packet.memory.used %ld\n",tmp); |
| 165 |
|
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tmp=((memstat[2] + memstat[4])/1024)/1024; |
| 166 |
|
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printf("packet.memory.free %ld\n",tmp); |
| 167 |
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| 168 |
|
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printf("packet.swap.total %ld\n",((swapstat[0]/1024)/1024)); |
| 169 |
|
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printf("packet.swap.used %ld\n",((swapstat[1]/1024)/1024)); |
| 170 |
|
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printf("packet.swap.free %ld\n",((swapstat[2])/1024)/1024); |
| 171 |
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|
| 172 |
|
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free(mem); |
| 173 |
|
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free(swap); |
| 174 |
pajs |
1.1 |
} |
| 175 |
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|
| 176 |
tdb |
1.4 |
void cpustats() { |
| 177 |
|
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char *tmp; |
| 178 |
|
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char *line[2]; |
| 179 |
|
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char *line_p[2]; |
| 180 |
|
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long cpustats[4][2]; |
| 181 |
|
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long user, kernel, idle; |
| 182 |
|
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long total; |
| 183 |
|
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int x,y; |
| 184 |
|
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float usage; |
| 185 |
|
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FILE *f; |
| 186 |
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|
| 187 |
|
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if ((f=fopen("/proc/stat", "r" ))==NULL) { |
| 188 |
|
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errf("Failed to open cpu stats (%m)"); |
| 189 |
|
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die(); |
| 190 |
|
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} |
| 191 |
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|
| 192 |
|
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if((tmp=fpgetline(f)) == NULL) { |
| 193 |
|
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errf("Failed to read cpu stats (%m)"); |
| 194 |
|
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die(); |
| 195 |
|
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} |
| 196 |
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|
| 197 |
|
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if((line[0]=strdup(tmp)) == NULL) { |
| 198 |
|
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errf("strdup failed (%m)"); |
| 199 |
|
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die(); |
| 200 |
|
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} |
| 201 |
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|
| 202 |
|
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if ((fclose(f)) != 0) { |
| 203 |
|
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errf("Failed to close file (%m)."); |
| 204 |
|
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die(); |
| 205 |
|
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} |
| 206 |
pajs |
1.1 |
|
| 207 |
tdb |
1.4 |
sleep(1); |
| 208 |
|
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|
| 209 |
|
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if ((f=fopen("/proc/stat", "r" ))==NULL) { |
| 210 |
|
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errf("Failed to open cpu stats (%m)"); |
| 211 |
|
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die(); |
| 212 |
|
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} |
| 213 |
|
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|
| 214 |
|
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if((tmp=fpgetline(f)) == NULL) { |
| 215 |
|
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errf("Failed to read cpu stats (%m)"); |
| 216 |
|
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die(); |
| 217 |
|
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} |
| 218 |
|
|
|
| 219 |
|
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if((line[1]=strdup(tmp)) == NULL) { |
| 220 |
|
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errf("strdup failed (%m)"); |
| 221 |
|
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die(); |
| 222 |
|
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} |
| 223 |
pajs |
1.1 |
|
| 224 |
tdb |
1.4 |
if ((fclose(f)) != 0) { |
| 225 |
|
|
errf("Failed to close file (%m)."); |
| 226 |
|
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die(); |
| 227 |
|
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} |
| 228 |
|
|
|
| 229 |
|
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for(x=0;x<2;x++) { |
| 230 |
|
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line_p[x] = strchr(line[x], ' '); |
| 231 |
|
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if (line_p[x] == NULL) abort(); |
| 232 |
|
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*line_p[x] = '\0'; |
| 233 |
|
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line_p[x]++; |
| 234 |
|
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} |
| 235 |
|
|
|
| 236 |
|
|
/* Now should be passed "cpu " */ |
| 237 |
|
|
|
| 238 |
|
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for(x=0;x<2;x++) { |
| 239 |
|
|
for(y=0;y<4;y++) { |
| 240 |
|
|
for (; (*line_p[x] == ' '); line_p[x]++); |
| 241 |
|
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if (line_p[x] == NULL) abort(); |
| 242 |
|
|
cpustats[y][x]=atol(line_p[x]); |
| 243 |
|
|
line_p[x]++; |
| 244 |
|
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for(; (*line_p[x] != ' ') && (*line_p[x] != '\0'); line_p[x]++); |
| 245 |
|
|
if (line_p[x] == NULL) abort(); |
| 246 |
|
|
for (; (*line_p[x] == ' '); line_p[x]++); |
| 247 |
|
|
} |
| 248 |
|
|
} |
| 249 |
|
|
|
| 250 |
|
|
user=cpustats[0][1]-cpustats[0][0]+cpustats[1][1]-cpustats[1][0]; |
| 251 |
|
|
kernel=cpustats[2][1]-cpustats[2][0]; |
| 252 |
|
|
idle=cpustats[3][1]-cpustats[3][0]; |
| 253 |
|
|
|
| 254 |
|
|
/* use total to get the total number and then work out the percentages */ |
| 255 |
|
|
total=user+kernel+idle; |
| 256 |
|
|
|
| 257 |
|
|
usage=((((float)user)/((float)total))*100.00); |
| 258 |
|
|
printf("packet.cpu.user %3.2f\n", usage); |
| 259 |
|
|
usage=((((float)kernel)/((float)total))*100.00); |
| 260 |
|
|
printf("packet.cpu.kernel %3.2f\n", usage); |
| 261 |
|
|
usage=((((float)idle)/((float)total))*100.00); |
| 262 |
|
|
printf("packet.cpu.idle %3.2f\n", usage); |
| 263 |
|
|
|
| 264 |
pajs |
1.5 |
/* Cos i-scream's expects this to be sent :/ */ |
| 265 |
tdb |
1.4 |
printf("packet.cpu.iowait 0\n"); |
| 266 |
pajs |
1.5 |
printf("packet.cpu.swap 0\n"); |
| 267 |
|
|
|
| 268 |
tdb |
1.4 |
free(line[0]); |
| 269 |
|
|
free(line[1]); |
| 270 |
pajs |
1.1 |
} |
| 271 |
|
|
|
| 272 |
tdb |
1.4 |
void processStats() { |
| 273 |
pajs |
1.10 |
int sleeping=0; |
| 274 |
tdb |
1.4 |
int zombie=0; |
| 275 |
|
|
int stopped=0; |
| 276 |
|
|
int running=0; |
| 277 |
|
|
int nousers=0; |
| 278 |
|
|
char *line; |
| 279 |
pajs |
1.10 |
char *line_ptr; |
| 280 |
tdb |
1.4 |
struct utmp *entry; |
| 281 |
pajs |
1.10 |
DIR *procdir; |
| 282 |
|
|
struct dirent *procent; |
| 283 |
|
|
char fname[_POSIX_PATH_MAX]; |
| 284 |
tdb |
1.4 |
FILE *f; |
| 285 |
pajs |
1.10 |
|
| 286 |
|
|
chdir("/proc"); |
| 287 |
|
|
if((procdir=opendir(".")) == NULL){ |
| 288 |
|
|
errf("Failed to open proc (%m)"); |
| 289 |
|
|
exit(1); |
| 290 |
tdb |
1.4 |
} |
| 291 |
pajs |
1.7 |
|
| 292 |
pajs |
1.10 |
while((procent = readdir(procdir)) != NULL){ |
| 293 |
|
|
if(atoi(procent->d_name) == 0) continue; |
| 294 |
|
|
strncpy(fname, procent->d_name, _POSIX_PATH_MAX-7); |
| 295 |
|
|
strcat(fname, "/status"); |
| 296 |
|
|
|
| 297 |
|
|
if((f=fopen(fname, "r")) == NULL){ |
| 298 |
|
|
errf("Failed to open process stat (%m)"); |
| 299 |
|
|
exit(1); |
| 300 |
|
|
} |
| 301 |
|
|
|
| 302 |
|
|
while((line=fpgetline(f)) != NULL){ |
| 303 |
|
|
if(strncasecmp(line,"State:",6)==0) break; |
| 304 |
|
|
} |
| 305 |
|
|
|
| 306 |
|
|
line_ptr=line; |
| 307 |
pajs |
1.12 |
for(;*line_ptr++ != '\t';); |
| 308 |
|
|
|
| 309 |
|
|
|
| 310 |
pajs |
1.10 |
if(*line_ptr=='R') running++; |
| 311 |
|
|
if(*line_ptr=='S') sleeping++; |
| 312 |
|
|
if(*line_ptr=='Z') zombie++; |
| 313 |
|
|
if(*line_ptr=='T') stopped++; |
| 314 |
|
|
if(*line_ptr=='D') stopped++; |
| 315 |
|
|
|
| 316 |
tdb |
1.4 |
} |
| 317 |
pajs |
1.10 |
closedir(procdir); |
| 318 |
|
|
|
| 319 |
tdb |
1.4 |
printf("packet.users.list"); |
| 320 |
|
|
|
| 321 |
|
|
while((entry=getutent()) != NULL) { |
| 322 |
|
|
if(entry->ut_type==USER_PROCESS) { |
| 323 |
|
|
printf(" %s",entry->ut_user); |
| 324 |
|
|
nousers++; |
| 325 |
|
|
} |
| 326 |
|
|
} |
| 327 |
|
|
|
| 328 |
|
|
printf("\npacket.users.count %d\n", nousers); |
| 329 |
|
|
|
| 330 |
pajs |
1.5 |
printf("packet.processes.sleeping %d\n",sleeping); |
| 331 |
|
|
printf("packet.processes.cpu %d\n",running); |
| 332 |
tdb |
1.4 |
printf("packet.processes.zombie %d\n",zombie); |
| 333 |
|
|
printf("packet.processes.stopped %d\n", stopped); |
| 334 |
|
|
printf("packet.processes.total %d\n", (sleeping+running+zombie+stopped)); |
| 335 |
pajs |
1.1 |
} |
| 336 |
|
|
|
| 337 |
tdb |
1.4 |
void uptimeStats() { |
| 338 |
|
|
char *line; |
| 339 |
|
|
char *line_p; |
| 340 |
|
|
FILE *f; |
| 341 |
|
|
|
| 342 |
|
|
if ((f=fopen("/proc/uptime", "r")) == NULL) { |
| 343 |
|
|
errf("Failed to get uptime stats (%m)"); |
| 344 |
|
|
die(); |
| 345 |
|
|
} |
| 346 |
|
|
|
| 347 |
|
|
if ((line=fpgetline(f)) == NULL) { |
| 348 |
|
|
errf("Failed to read uptime stats (%m)"); |
| 349 |
|
|
die(); |
| 350 |
|
|
} |
| 351 |
|
|
|
| 352 |
|
|
if ((fclose(f)) != 0) { |
| 353 |
|
|
errf("Failed to close file (%m)."); |
| 354 |
|
|
die(); |
| 355 |
|
|
} |
| 356 |
|
|
|
| 357 |
|
|
line_p=strchr(line, '.'); |
| 358 |
|
|
if (line_p==NULL) abort(); |
| 359 |
|
|
*line_p='\0'; |
| 360 |
|
|
|
| 361 |
|
|
printf("packet.os.uptime %s\n", line); |
| 362 |
pajs |
1.1 |
} |
| 363 |
|
|
|
| 364 |
tdb |
1.4 |
void osStats() { |
| 365 |
|
|
struct utsname os; |
| 366 |
|
|
|
| 367 |
|
|
if((uname(&os)) != 0) { |
| 368 |
|
|
errf("Failed to get os stats (%m)"); |
| 369 |
|
|
die(); |
| 370 |
|
|
} |
| 371 |
|
|
|
| 372 |
|
|
printf("packet.os.name %s\n", os.sysname); |
| 373 |
|
|
printf("packet.os.release %s\n" , os.release); |
| 374 |
|
|
printf("packet.os.version %s\n", os.version); |
| 375 |
|
|
printf("packet.os.sysname %s\n" , os.nodename); |
| 376 |
|
|
printf("packet.os.platform %s\n", os.machine); |
| 377 |
pajs |
1.1 |
} |
| 378 |
|
|
|
| 379 |
tdb |
1.4 |
void diskStats() { |
| 380 |
pajs |
1.8 |
|
| 381 |
|
|
struct mntent *mp; |
| 382 |
|
|
struct statfs df; |
| 383 |
|
|
FILE *f; |
| 384 |
|
|
int counter=0; |
| 385 |
|
|
|
| 386 |
|
|
if ((f=fopen("/etc/mtab", "r" ))==NULL){ |
| 387 |
|
|
errf("Failed to open mounts (%m)"); |
| 388 |
|
|
die(); |
| 389 |
|
|
} |
| 390 |
|
|
|
| 391 |
|
|
while((mp=getmntent(f))){ |
| 392 |
|
|
if ((statfs(mp->mnt_dir, &df)) !=0){ |
| 393 |
|
|
errf("Failed to gets fs stats (%m)"); |
| 394 |
|
|
continue; |
| 395 |
|
|
} |
| 396 |
|
|
|
| 397 |
|
|
if((((strcmp(mp->mnt_type, MNTTYPE_NFS))==0) || (strcmp(mp->mnt_type,MNTTYPE_IGNORE)) ==0)) continue; |
| 398 |
tdb |
1.4 |
|
| 399 |
pajs |
1.8 |
printf("packet.disk.p%d.attributes.mount %s\n", counter, mp->mnt_dir); |
| 400 |
|
|
printf("packet.disk.p%d.attributes.name %s\n", counter, mp->mnt_fsname); |
| 401 |
|
|
printf("packet.disk.p%d.attributes.kbytes %lu\n",counter, ((df.f_bsize/1024) * df.f_blocks)); |
| 402 |
|
|
printf("packet.disk.p%d.attributes.used %lu\n",counter, (((df.f_bsize/1024) * df.f_blocks) -((df.f_bsize/1024) * df.f_bfree))); |
| 403 |
|
|
printf("packet.disk.p%d.attributes.avail %lu\n",counter, (df.f_bsize/1024) * df.f_bavail); |
| 404 |
|
|
printf("packet.disk.p%d.attributes.totalinodes %lu\n", counter, df.f_files); |
| 405 |
|
|
printf("packet.disk.p%d.attributes.freeinodes %lu\n",counter, df.f_ffree); |
| 406 |
tdb |
1.4 |
|
| 407 |
pajs |
1.8 |
counter++; |
| 408 |
|
|
} |
| 409 |
|
|
|
| 410 |
|
|
|
| 411 |
|
|
|
| 412 |
pajs |
1.1 |
} |
| 413 |
|
|
|
| 414 |
tdb |
1.4 |
int main() { |
| 415 |
pajs |
1.1 |
getLoadAv(); |
| 416 |
|
|
getMemInfo(); |
| 417 |
|
|
cpustats(); |
| 418 |
|
|
processStats(); |
| 419 |
|
|
uptimeStats(); |
| 420 |
|
|
osStats(); |
| 421 |
|
|
diskStats(); |
| 422 |
|
|
fflush(stdout); |
| 423 |
|
|
return 0; |
| 424 |
|
|
} |