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root/i-scream/projects/cms/source/host/ihost-perl/plugins/linux/linux.c

Comparing projects/cms/source/host/ihost-perl/plugins/linux/linux.c (file contents):
Revision 1.4 by tdb, Fri Mar 8 16:04:38 2002 UTC vs.
Revision 1.14 by tdb, Tue May 21 16:47:12 2002 UTC

#	Line 1 | Line 1
1	+	/*
2	+	* i-scream central monitoring system
3	+	* http://www.i-scream.org.uk
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		#include <stdio.h>
22		#include <stdlib.h>
23		#include "ukcprog.h"
#	Line 7 | Line 27
27		#include <sys/vfs.h>
28		#include <utmp.h>
29		#include <pwd.h>
30	+	#include <mntent.h>
31	+	#include <dirent.h>
32	+	#include <limits.h>
33
34		int die() {
35		exit (1);
36		}
37
38		void getLoadAv() {
39	<	FILE *f;
40	<	char *loadavg;
41	<	char *load_p;
42	<
43	<	if ((f=fopen("/proc/loadavg", "r" ))==NULL) {
44	<	errf("Failed to open load averages (%m)");
45	<	die();
46	<	}
47	<
48	<	if ((loadavg=fpgetline(f)) == NULL) {
49	<	errf("Failed to read any data for load averages (%m)");
50	<	die();
51	<	}
52	<
53	<	if ((fclose(f)) != 0) {
54	<	errf("Failed to close file (%m).");
55	<	die();
56	<	}
57	<
58	<	load_p=strtok(loadavg, " ");
59	<	printf("packet.load.load1 %s\n",load_p);
60	<	for(; (*load_p != ' ') && (*load_p != '\0'); load_p++);
61	<	load_p++;
62	<	if (load_p == NULL) abort();
63	<	load_p=strtok(load_p, " ");
64	<	if (load_p == NULL) abort();
65	<	printf("packet.load.load5 %s\n",load_p);
66	<	for(; (*load_p != ' ') && (*load_p != '\0'); load_p++);
67	<	load_p++;
68	<	if (load_p == NULL) abort();
69	<	load_p=strtok(load_p, " ");
70	<	if (load_p == NULL) abort();
71	<	printf("packet.load.load15 %s\n",load_p);
39	>	#ifdef OLDLIBC
40	>
41	>	FILE *f;
42	>	char *loadavg;
43	>	char *load_p;
44	>
45	>	if ((f=fopen("/proc/loadavg", "r" ))==NULL) {
46	>	errf("Failed to open load averages (%m)");
47	>	die();
48	>	}
49	>
50	>	if ((loadavg=fpgetline(f)) == NULL) {
51	>	errf("Failed to read any data for load averages (%m)");
52	>	die();
53	>	}
54	>
55	>	if ((fclose(f)) != 0) {
56	>	errf("Failed to close file (%m).");
57	>	die();
58	>	}
59	>
60	>	load_p=strtok(loadavg, " ");
61	>	printf("packet.load.load1 %s\n",load_p);
62	>	for(; (*load_p != ' ') && (*load_p != '\0'); load_p++);
63	>	load_p++;
64	>	if (load_p == NULL) abort();
65	>	load_p=strtok(load_p, " ");
66	>	if (load_p == NULL) abort();
67	>	printf("packet.load.load5 %s\n",load_p);
68	>	for(; (*load_p != ' ') && (*load_p != '\0'); load_p++);
69	>	load_p++;
70	>	if (load_p == NULL) abort();
71	>	load_p=strtok(load_p, " ");
72	>	if (load_p == NULL) abort();
73	>	printf("packet.load.load15 %s\n",load_p);
74	>
75	>	#else
76	>	double loadav[3];
77	>
78	>	if((getloadavg(loadav,3)) == -1){
79	>	errf("Failed to get load averages (%m)");
80	>	die();
81	>	}
82	>
83	>	printf("packet.load.load1 %.2f\n",loadav[0]);
84	>	printf("packet.load.load5 %.2f\n",loadav[1]);
85	>	printf("packet.load.load15 %.2f\n",loadav[2]);
86	>	#endif
87		}
88
89		void getMemInfo() {
90		char *line;
91	<	char *mem;
92	<	char *swap;
91	>	char *mem=NULL;
92	>	char *swap=NULL;
93		char *ch;
94		long memstat[6];
95		long swapstat[3];
#	Line 80 | Line 118 | void getMemInfo() {
118		errf("Failed to close file (%m).");
119		die();
120		}
121	<
121	>
122	>	if (mem==NULL || swap==NULL){
123	>	errf("Failed to obtain information required for memory and swap stats");
124	>	die();
125	>	}
126	>
127		/* Get the info we want from the 2 read in lines */
128
129		ch = strchr(mem, ' ');
#	Line 218 | Line 261 | void cpustats() {
261		usage=((((float)idle)/((float)total))*100.00);
262		printf("packet.cpu.idle %3.2f\n", usage);
263
264	<	/* Cos i-scream's expexts this to be sent :/ */
264	>	/* Cos i-scream's expects this to be sent :/ */
265		printf("packet.cpu.iowait 0\n");
266	<
266	>	printf("packet.cpu.swap 0\n");
267	>
268		free(line[0]);
269		free(line[1]);
270		}
#	Line 232 | Line 276 | void processStats() {
276		int running=0;
277		int nousers=0;
278		char *line;
279	<	char *line_p;
279	>	char *line_ptr;
280		struct utmp *entry;
281	<
281	>	DIR *procdir;
282	>	struct dirent *procent;
283	>	char fname[_POSIX_PATH_MAX];
284		FILE *f;
285	<
286	<	if((f=popen("/bin/ps -Al" , "r")) == NULL) {
287	<	errf("Failed to get process stats (%m)");
288	<	die();
285	>
286	>	chdir("/proc");
287	>	if((procdir=opendir(".")) == NULL){
288	>	errf("Failed to open proc (%m)");
289	>	exit(1);
290		}
291	<
292	<	while((line=fpgetline(f)) != NULL) {
293	<	line_p=strchr(line, ' ');
294	<	line_p++;
295	<	if (line_p==NULL) abort();
296	<	/* Ok, we should now be at the state :) .. */
297	<	if (*line_p=='S') sleeping++;
298	<	if (*line_p=='R') running++;
299	<	if (*line_p=='Z') zombie++;
300	<	if (*line_p=='T') stopped++;
291	>
292	>	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	>	for(;*line_ptr++ != '\t';);
308	>
309	>
310	>	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		}
317	<
318	<	if((pclose(f)) == -1) {
257	<	errf("Failed to close process stats (%m)");
258	<	die();
259	<	}
260	<
317	>	closedir(procdir);
318	>
319		printf("packet.users.list");
320
321		while((entry=getutent()) != NULL) {
#	Line 269 | Line 327 | void processStats() {
327
328		printf("\npacket.users.count %d\n", nousers);
329
330	<	printf("packet.processes.total %d\n",sleeping);
331	<	printf("packet.processes.sleeping %d\n",running);
330	>	printf("packet.processes.sleeping %d\n",sleeping);
331	>	printf("packet.processes.cpu %d\n",running);
332		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));
#	Line 319 | Line 377 | void osStats() {
377		}
378
379		void diskStats() {
380	<	struct statfs df;
381	<	FILE *f;
382	<	char *line;
383	<	char *line_p;
384	<	long bstok;
385	<	int diskcnt=0;
386	<
387	<	if ((f=fopen("/etc/mtab", "r")) == NULL) {
388	<	errf("Failed to get uptime stats (%m)");
389	<	die();
380	>
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
399	<	while((line=fpgetline(f)) != NULL) {
400	<	line_p=strchr(line, ' ');
401	<	if(line_p==NULL) abort();
402	<	*line_p='\0';
403	<	line_p++;
404	<	if(line_p==NULL) abort();
405	<	printf("packet.disk.p%d.attributes.name %s\n",diskcnt,line);
406	<	line=strchr(line_p, ' ');
407	<	if(line==NULL) abort();
408	<	*line='\0';
409	<	printf("packet.disk.p%d.attributes.mount %s\n",diskcnt,line_p);
410	<	if((statfs(line_p, &df)) != 0) {
411	<	errf("Failed to get Filesystem stats (%m)");
347	<	die();
348	<	}
349	<	bstok=(df.f_bsize/1024);
350	<	printf("packet.disk.p%d.attributes.kbytes %ld\n",diskcnt,bstok*df.f_blocks);
351	<	printf("packet.disk.p%d.attributes.used %ld\n" ,diskcnt, ((bstok*df.f_blocks)-(bstok*df.f_bfree)));
352	<	printf("packet.disk.p%d.attributes.avail %ld\n", diskcnt, (df.f_bsize/1024)*df.f_bavail);
353	<	printf("packet.disk.p%d.attributes.totalinodes %ld\n", diskcnt, df.f_files);
354	<	printf("packet.disk.p%d.attributes.freeinodes %ld\n", diskcnt, df.f_ffree);
355	<	diskcnt++;
356	<	}
399	>	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	>
407	>	counter++;
408	>	}
409	>
410	>
411	>
412		}
413
414		int main() {

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