| 1 |
#include <stdio.h> |
| 2 |
#include <stdlib.h> |
| 3 |
#include "ukcprog.h" |
| 4 |
#include <string.h> |
| 5 |
#include <unistd.h> |
| 6 |
#include <sys/utsname.h> |
| 7 |
#include <sys/vfs.h> |
| 8 |
#include <utmp.h> |
| 9 |
#include <pwd.h> |
| 10 |
|
| 11 |
int die() { |
| 12 |
exit (1); |
| 13 |
} |
| 14 |
|
| 15 |
void getLoadAv() { |
| 16 |
FILE *f; |
| 17 |
char *loadavg; |
| 18 |
char *load_p; |
| 19 |
|
| 20 |
if ((f=fopen("/proc/loadavg", "r" ))==NULL) { |
| 21 |
errf("Failed to open load averages (%m)"); |
| 22 |
die(); |
| 23 |
} |
| 24 |
|
| 25 |
if ((loadavg=fpgetline(f)) == NULL) { |
| 26 |
errf("Failed to read any data for load averages (%m)"); |
| 27 |
die(); |
| 28 |
} |
| 29 |
|
| 30 |
if ((fclose(f)) != 0) { |
| 31 |
errf("Failed to close file (%m)."); |
| 32 |
die(); |
| 33 |
} |
| 34 |
|
| 35 |
load_p=strtok(loadavg, " "); |
| 36 |
printf("packet.load.load1 %s\n",load_p); |
| 37 |
for(; (*load_p != ' ') && (*load_p != '\0'); load_p++); |
| 38 |
load_p++; |
| 39 |
if (load_p == NULL) abort(); |
| 40 |
load_p=strtok(load_p, " "); |
| 41 |
if (load_p == NULL) abort(); |
| 42 |
printf("packet.load.load5 %s\n",load_p); |
| 43 |
for(; (*load_p != ' ') && (*load_p != '\0'); load_p++); |
| 44 |
load_p++; |
| 45 |
if (load_p == NULL) abort(); |
| 46 |
load_p=strtok(load_p, " "); |
| 47 |
if (load_p == NULL) abort(); |
| 48 |
printf("packet.load.load15 %s\n",load_p); |
| 49 |
} |
| 50 |
|
| 51 |
void getMemInfo() { |
| 52 |
char *line; |
| 53 |
char *mem=NULL; |
| 54 |
char *swap=NULL; |
| 55 |
char *ch; |
| 56 |
long memstat[6]; |
| 57 |
long swapstat[3]; |
| 58 |
long tmp; |
| 59 |
int counter=0; |
| 60 |
|
| 61 |
FILE *f; |
| 62 |
|
| 63 |
if ((f=fopen("/proc/meminfo", "r" ))==NULL) { |
| 64 |
errf("Failed to open memory stats (%m)"); |
| 65 |
die(); |
| 66 |
} |
| 67 |
|
| 68 |
while(((line=fpgetline(f)) != NULL) && (counter < 2)) { |
| 69 |
if (((strncmp("Mem: ",line,5)) == 0)) { |
| 70 |
mem=strdup(line); |
| 71 |
counter++; |
| 72 |
} |
| 73 |
if (((strncmp(line,"Swap: ",6)) == 0)) { |
| 74 |
swap=strdup(line); |
| 75 |
counter++; |
| 76 |
} |
| 77 |
} |
| 78 |
|
| 79 |
if ((fclose(f)) != 0) { |
| 80 |
errf("Failed to close file (%m)."); |
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die(); |
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} |
| 83 |
|
| 84 |
if (mem==NULL || swap==NULL){ |
| 85 |
errf("Failed to obtain information required for memory and swap stats"); |
| 86 |
die(); |
| 87 |
} |
| 88 |
|
| 89 |
/* Get the info we want from the 2 read in lines */ |
| 90 |
|
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ch = strchr(mem, ' '); |
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if (ch == NULL) abort(); |
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*ch = '\0'; |
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ch++; |
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|
| 96 |
/* By now we should of skipped the mem: bit.. onto the numbers */ |
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|
| 98 |
for(counter=0;counter<6;counter++) { |
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for (; (*ch == ' '); ch++); |
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if (ch == NULL) abort(); |
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memstat[counter]=atol(ch); |
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ch++; |
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for(; (*ch != ' ') && (*ch != '\0'); ch++); |
| 104 |
if (ch == NULL) abort(); |
| 105 |
} |
| 106 |
|
| 107 |
/* Now swap.. */ |
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ch = strchr(swap, ' '); |
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if (ch == NULL) abort(); |
| 110 |
*ch = '\0'; |
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ch++; |
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|
| 113 |
for(counter=0;counter<3;counter++) { |
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for (; (*ch == ' '); ch++); |
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if (ch == NULL) abort(); |
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swapstat[counter]=atol(ch); |
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ch++; |
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for(; (*ch != ' ') && (*ch != '\0'); ch++); |
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if (ch == NULL) abort(); |
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} |
| 121 |
|
| 122 |
printf("packet.memory.total %ld\n",((memstat[0]/1024)/1024)); |
| 123 |
|
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/* Due to batty linux we do some maths to work out roughly what the free ram is */ |
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tmp=((memstat[1] - memstat[4])/1024)/1024; |
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printf("packet.memory.used %ld\n",tmp); |
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tmp=((memstat[2] + memstat[4])/1024)/1024; |
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printf("packet.memory.free %ld\n",tmp); |
| 129 |
|
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printf("packet.swap.total %ld\n",((swapstat[0]/1024)/1024)); |
| 131 |
printf("packet.swap.used %ld\n",((swapstat[1]/1024)/1024)); |
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printf("packet.swap.free %ld\n",((swapstat[2])/1024)/1024); |
| 133 |
|
| 134 |
free(mem); |
| 135 |
free(swap); |
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} |
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|
| 138 |
void cpustats() { |
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char *tmp; |
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char *line[2]; |
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char *line_p[2]; |
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long cpustats[4][2]; |
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long user, kernel, idle; |
| 144 |
long total; |
| 145 |
int x,y; |
| 146 |
float usage; |
| 147 |
FILE *f; |
| 148 |
|
| 149 |
if ((f=fopen("/proc/stat", "r" ))==NULL) { |
| 150 |
errf("Failed to open cpu stats (%m)"); |
| 151 |
die(); |
| 152 |
} |
| 153 |
|
| 154 |
if((tmp=fpgetline(f)) == NULL) { |
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errf("Failed to read cpu stats (%m)"); |
| 156 |
die(); |
| 157 |
} |
| 158 |
|
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if((line[0]=strdup(tmp)) == NULL) { |
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errf("strdup failed (%m)"); |
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die(); |
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} |
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|
| 164 |
if ((fclose(f)) != 0) { |
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errf("Failed to close file (%m)."); |
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die(); |
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} |
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|
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sleep(1); |
| 170 |
|
| 171 |
if ((f=fopen("/proc/stat", "r" ))==NULL) { |
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errf("Failed to open cpu stats (%m)"); |
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die(); |
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} |
| 175 |
|
| 176 |
if((tmp=fpgetline(f)) == NULL) { |
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errf("Failed to read cpu stats (%m)"); |
| 178 |
die(); |
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} |
| 180 |
|
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if((line[1]=strdup(tmp)) == NULL) { |
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errf("strdup failed (%m)"); |
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die(); |
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} |
| 185 |
|
| 186 |
if ((fclose(f)) != 0) { |
| 187 |
errf("Failed to close file (%m)."); |
| 188 |
die(); |
| 189 |
} |
| 190 |
|
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for(x=0;x<2;x++) { |
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line_p[x] = strchr(line[x], ' '); |
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if (line_p[x] == NULL) abort(); |
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*line_p[x] = '\0'; |
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line_p[x]++; |
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} |
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|
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/* Now should be passed "cpu " */ |
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|
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for(x=0;x<2;x++) { |
| 201 |
for(y=0;y<4;y++) { |
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for (; (*line_p[x] == ' '); line_p[x]++); |
| 203 |
if (line_p[x] == NULL) abort(); |
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cpustats[y][x]=atol(line_p[x]); |
| 205 |
line_p[x]++; |
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for(; (*line_p[x] != ' ') && (*line_p[x] != '\0'); line_p[x]++); |
| 207 |
if (line_p[x] == NULL) abort(); |
| 208 |
for (; (*line_p[x] == ' '); line_p[x]++); |
| 209 |
} |
| 210 |
} |
| 211 |
|
| 212 |
user=cpustats[0][1]-cpustats[0][0]+cpustats[1][1]-cpustats[1][0]; |
| 213 |
kernel=cpustats[2][1]-cpustats[2][0]; |
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idle=cpustats[3][1]-cpustats[3][0]; |
| 215 |
|
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/* use total to get the total number and then work out the percentages */ |
| 217 |
total=user+kernel+idle; |
| 218 |
|
| 219 |
usage=((((float)user)/((float)total))*100.00); |
| 220 |
printf("packet.cpu.user %3.2f\n", usage); |
| 221 |
usage=((((float)kernel)/((float)total))*100.00); |
| 222 |
printf("packet.cpu.kernel %3.2f\n", usage); |
| 223 |
usage=((((float)idle)/((float)total))*100.00); |
| 224 |
printf("packet.cpu.idle %3.2f\n", usage); |
| 225 |
|
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/* Cos i-scream's expects this to be sent :/ */ |
| 227 |
printf("packet.cpu.iowait 0\n"); |
| 228 |
printf("packet.cpu.swap 0\n"); |
| 229 |
|
| 230 |
free(line[0]); |
| 231 |
free(line[1]); |
| 232 |
} |
| 233 |
|
| 234 |
void processStats() { |
| 235 |
int sleeping=-1; |
| 236 |
int zombie=0; |
| 237 |
int stopped=0; |
| 238 |
int running=0; |
| 239 |
int nousers=0; |
| 240 |
char *line; |
| 241 |
char *line_p; |
| 242 |
struct utmp *entry; |
| 243 |
|
| 244 |
FILE *f; |
| 245 |
|
| 246 |
if((f=popen("/bin/ps -Al" , "r")) == NULL) { |
| 247 |
errf("Failed to get process stats (%m)"); |
| 248 |
die(); |
| 249 |
} |
| 250 |
|
| 251 |
while((line=fpgetline(f)) != NULL) { |
| 252 |
|
| 253 |
line_p=line; |
| 254 |
for(; (*line_p == ' ') && (*line_p != '\0'); line_p++); |
| 255 |
line_p=strchr(line_p, ' '); |
| 256 |
for(; (*line_p == ' ') && (*line_p != '\0'); line_p++); |
| 257 |
if (line_p==NULL) abort(); |
| 258 |
/* Ok, we should now be at the state :) .. */ |
| 259 |
if (*line_p=='S') sleeping++; |
| 260 |
if (*line_p=='R') running++; |
| 261 |
if (*line_p=='Z') zombie++; |
| 262 |
if (*line_p=='T') stopped++; |
| 263 |
} |
| 264 |
|
| 265 |
if((pclose(f)) == -1) { |
| 266 |
errf("Failed to close process stats (%m)"); |
| 267 |
die(); |
| 268 |
} |
| 269 |
|
| 270 |
printf("packet.users.list"); |
| 271 |
|
| 272 |
while((entry=getutent()) != NULL) { |
| 273 |
if(entry->ut_type==USER_PROCESS) { |
| 274 |
printf(" %s",entry->ut_user); |
| 275 |
nousers++; |
| 276 |
} |
| 277 |
} |
| 278 |
|
| 279 |
printf("\npacket.users.count %d\n", nousers); |
| 280 |
|
| 281 |
printf("packet.processes.sleeping %d\n",sleeping); |
| 282 |
printf("packet.processes.cpu %d\n",running); |
| 283 |
printf("packet.processes.zombie %d\n",zombie); |
| 284 |
printf("packet.processes.stopped %d\n", stopped); |
| 285 |
printf("packet.processes.total %d\n", (sleeping+running+zombie+stopped)); |
| 286 |
} |
| 287 |
|
| 288 |
void uptimeStats() { |
| 289 |
char *line; |
| 290 |
char *line_p; |
| 291 |
FILE *f; |
| 292 |
|
| 293 |
if ((f=fopen("/proc/uptime", "r")) == NULL) { |
| 294 |
errf("Failed to get uptime stats (%m)"); |
| 295 |
die(); |
| 296 |
} |
| 297 |
|
| 298 |
if ((line=fpgetline(f)) == NULL) { |
| 299 |
errf("Failed to read uptime stats (%m)"); |
| 300 |
die(); |
| 301 |
} |
| 302 |
|
| 303 |
if ((fclose(f)) != 0) { |
| 304 |
errf("Failed to close file (%m)."); |
| 305 |
die(); |
| 306 |
} |
| 307 |
|
| 308 |
line_p=strchr(line, '.'); |
| 309 |
if (line_p==NULL) abort(); |
| 310 |
*line_p='\0'; |
| 311 |
|
| 312 |
printf("packet.os.uptime %s\n", line); |
| 313 |
} |
| 314 |
|
| 315 |
void osStats() { |
| 316 |
struct utsname os; |
| 317 |
|
| 318 |
if((uname(&os)) != 0) { |
| 319 |
errf("Failed to get os stats (%m)"); |
| 320 |
die(); |
| 321 |
} |
| 322 |
|
| 323 |
printf("packet.os.name %s\n", os.sysname); |
| 324 |
printf("packet.os.release %s\n" , os.release); |
| 325 |
printf("packet.os.version %s\n", os.version); |
| 326 |
printf("packet.os.sysname %s\n" , os.nodename); |
| 327 |
printf("packet.os.platform %s\n", os.machine); |
| 328 |
} |
| 329 |
|
| 330 |
void diskStats() { |
| 331 |
struct statfs df; |
| 332 |
FILE *f; |
| 333 |
char *line; |
| 334 |
char *line_p; |
| 335 |
long bstok; |
| 336 |
int diskcnt=0; |
| 337 |
|
| 338 |
if ((f=fopen("/etc/mtab", "r")) == NULL) { |
| 339 |
errf("Failed to get uptime stats (%m)"); |
| 340 |
die(); |
| 341 |
} |
| 342 |
|
| 343 |
while((line=fpgetline(f)) != NULL) { |
| 344 |
line_p=strchr(line, ' '); |
| 345 |
if(line_p==NULL) abort(); |
| 346 |
*line_p='\0'; |
| 347 |
line_p++; |
| 348 |
if(line_p==NULL) abort(); |
| 349 |
printf("packet.disk.p%d.attributes.name %s\n",diskcnt,line); |
| 350 |
line=strchr(line_p, ' '); |
| 351 |
if(line==NULL) abort(); |
| 352 |
*line='\0'; |
| 353 |
printf("packet.disk.p%d.attributes.mount %s\n",diskcnt,line_p); |
| 354 |
if((statfs(line_p, &df)) != 0) { |
| 355 |
errf("Failed to get Filesystem stats (%m)"); |
| 356 |
die(); |
| 357 |
} |
| 358 |
bstok=(df.f_bsize/1024); |
| 359 |
printf("packet.disk.p%d.attributes.kbytes %ld\n",diskcnt,bstok*df.f_blocks); |
| 360 |
printf("packet.disk.p%d.attributes.used %ld\n" ,diskcnt, ((bstok*df.f_blocks)-(bstok*df.f_bfree))); |
| 361 |
printf("packet.disk.p%d.attributes.avail %ld\n", diskcnt, (df.f_bsize/1024)*df.f_bavail); |
| 362 |
printf("packet.disk.p%d.attributes.totalinodes %ld\n", diskcnt, df.f_files); |
| 363 |
printf("packet.disk.p%d.attributes.freeinodes %ld\n", diskcnt, df.f_ffree); |
| 364 |
diskcnt++; |
| 365 |
} |
| 366 |
} |
| 367 |
|
| 368 |
int main() { |
| 369 |
getLoadAv(); |
| 370 |
getMemInfo(); |
| 371 |
cpustats(); |
| 372 |
processStats(); |
| 373 |
uptimeStats(); |
| 374 |
osStats(); |
| 375 |
diskStats(); |
| 376 |
fflush(stdout); |
| 377 |
return 0; |
| 378 |
} |
