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

Comparing projects/cms/source/host/ihost-perl/plugins/freebsd/freebsd.c (file contents):
Revision 1.4 by pajs, Thu Mar 28 17:42:05 2002 UTC vs.
Revision 1.9 by tdb, Sat May 18 18:15:56 2002 UTC

#	Line 1 | Line 1
1	+	/*
2	+	* i-scream central monitoring system
3	+	* Copyright (C) 2000-2002 i-scream
4	+	*
5	+	* This program is free software; you can redistribute it and/or
6	+	* modify it under the terms of the GNU General Public License
7	+	* as published by the Free Software Foundation; either version 2
8	+	* of the License, or (at your option) any later version.
9	+	*
10	+	* This program is distributed in the hope that it will be useful,
11	+	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	+	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13	+	* GNU General Public License for more details.
14	+	*
15	+	* You should have received a copy of the GNU General Public License
16	+	* along with this program; if not, write to the Free Software
17	+	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18	+	*/
19	+
20		#include <stdio.h>
21		#include "ukcprog.h"
22		#include <sys/param.h>
#	Line 14 | Line 33
33		#include <sys/sysctl.h>
34		#include <fcntl.h>
35		#include <limits.h>
36	+	#include <time.h>
37	+	#include <sys/time.h>
38
39		uid_t uid;
40		uid_t euid;
#	Line 112 | Line 133 | void systemStats(){
133		long cp_time[CPUSTATES];
134		long total, user, idle, kernel, nice;
135		long totalmem, freemem, swaptotal, swapused;
136	+	float stat;
137
138	+	static char *uptimename = "kern.boottime";
139		static char *cpname = "kern.cp_time";
140		static char *tmemname = "hw.physmem";
141		static char *fmemname = "vm.stats.vm.v_free_count";
#	Line 122 | Line 145 | void systemStats(){
145		kvm_t *kvmd = NULL;
146		struct kvm_swap swapinfo;
147		char errbuf[_POSIX2_LINE_MAX];
148	+	time_t current;
149	+	struct timeval uptime;
150	+
151	+	time(&current);
152
153	+	if (sysctlbyname(uptimename, NULL, &size, NULL, NULL) < 0){
154	+	errf("sysctlbyname (%m)");
155	+	die();
156	+	}
157	+
158	+
159	+	if (sysctlbyname(uptimename, &uptime, &size, NULL, NULL) < 0){
160	+	errf("Failed to get cpu stats (%m)");
161	+	die();
162	+	}
163	+
164	+	printf("packet.os.uptime %ld\n",(current-(uptime.tv_sec)));
165	+
166	+
167		if (sysctlbyname(cpname, NULL, &size, NULL, NULL) < 0){
168		errf("sysctlbyname (%m)");
169		die();
#	Line 150 | Line 191 | void systemStats(){
191		die();
192		}
193
194	<	user-=cp_time[CP_USER];
195	<	nice-=cp_time[CP_NICE];
196	<	kernel-=cp_time[CP_SYS];
197	<	idle-=cp_time[CP_IDLE];
194	>	user=cp_time[CP_USER]-user;
195	>	nice=cp_time[CP_NICE]-nice;
196	>	kernel=cp_time[CP_SYS]-kernel;
197	>	idle=cp_time[CP_IDLE]-idle;
198
199		total=user+nice+kernel+idle;
200	<
201	<	printf("packet.cpu.user %ld\n",((user+nice)*100)/total);
202	<	printf("packet.cpu.kernel %ld\n",(kernel*100)/total);
203	<	printf("packet.cpu.idle %ld\n",(idle*100)/total);
200	>	stat=((float)(user+nice)/(float)total)*100.0;
201	>	printf("packet.cpu.user %.2f\n",stat);
202	>	stat=((float)(kernel)/(float)total)*100.0;
203	>	printf("packet.cpu.kernel %.2f\n",stat);
204	>	stat=((float)(idle)/(float)total)*100.0;
205	>	printf("packet.cpu.idle %.2f\n",stat);
206
207		/* Cos i-scream's expects this to be sent :/ */
208		printf("packet.cpu.iowait 0\n");
#	Line 216 | Line 259 | void systemStats(){
259		die();
260		}
261
262	<	/* Lose are setgid'ness */
220	<	setegid(gid);
262	>	/* Lose our setgid'ness */
263
264	+	if ((setegid(gid)) != 0){
265	+	errf("Failed to release permissions, refusing to keep setgid. (%m)");
266	+	die();
267	+	}
268	+
269	+
270		/* ok, just for proof of concept atm, ideally this will need to handle more
271		than one swap device */
272
#	Line 236 | Line 284 | void systemStats(){
284
285		}
286
287	+	void processStats(){
288	+	int sleeping=-1;
289	+	int zombie=0;
290	+	int stopped=0;
291	+	int running=0;
292	+	char *line;
293	+	char *line_p;
294	+
295	+	FILE *f;
296	+
297	+	if((f=popen("/bin/ps -ax" , "r")) == NULL) {
298	+	errf("Failed to get process stats (%m)");
299	+	die();
300	+	}
301	+
302	+	while((line=fpgetline(f)) != NULL) {
303	+	line_p=line;
304	+	for(; (*line_p == ' ') && (*line_p != '\0'); line_p++);
305	+	line_p=strchr(line_p, ' ');
306	+	for(; (*line_p == ' ') && (*line_p != '\0'); line_p++);
307	+	line_p=strchr(line_p, ' ');
308	+	for(; (*line_p == ' ') && (*line_p != '\0'); line_p++);
309	+	if (line_p==NULL) abort();
310	+
311	+	if (*line_p=='S') sleeping++;
312	+	if (*line_p=='I') sleeping++;
313	+	if (*line_p=='R') running++;
314	+	if (*line_p=='D') running++;
315	+	if (*line_p=='Z') zombie++;
316	+	if (*line_p=='T') stopped++;
317	+	if (*line_p=='J') running++;
318	+
319	+	}
320	+
321	+	if((pclose(f)) != 0) {
322	+	errf("Failed to close process stats (%m)");
323	+	die();
324	+	}
325	+
326	+	printf("packet.processes.sleeping %d\n",sleeping);
327	+	printf("packet.processes.cpu %d\n",running);
328	+	printf("packet.processes.zombie %d\n",zombie);
329	+	printf("packet.processes.stopped %d\n", stopped);
330	+	printf("packet.processes.total %d\n", (sleeping+running+zombie+stopped));
331	+
332	+
333	+	}
334	+
335	+
336		int main(){
337		uid=getuid();
338		euid=geteuid();
#	Line 243 | Line 340 | int main(){
340		egid=getegid();
341
342		/* We dont want to run with more permissions than we need, until we need em */
343	<	seteuid(uid);
344	<	setegid(gid);
343	>	if ((setegid(gid)) != 0){
344	>	errf("Failed to release permissions, refusing to keep setgid. (%m)");
345	>	die();
346	>	}
347
348	+	if ((seteuid(uid)) != 0){
349	+	errf("Failed to release permissions, refusing to keep setuid. (%m)");
350	+	die();
351	+	}
352	+
353		diskStats();
354		osStats();
355		loadStats();
356		userStats();
357		systemStats();
358	+	processStats();
359		exit(0);
360		}

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