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root/i-scream/projects/cms/source/host/ihost-perl/plugins/freebsd/freebsd.c
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Comparing projects/cms/source/host/ihost-perl/plugins/freebsd/freebsd.c (file contents):
Revision 1.3 by pajs, Thu Mar 21 16:40:11 2002 UTC vs.
Revision 1.4 by pajs, Thu Mar 28 17:42:05 2002 UTC

# Line 8 | Line 8
8   #include <sys/utsname.h>
9   #include <sys/types.h>
10   #include <utmp.h>
11 + #include <sys/dkstat.h>
12 + #include <kvm.h>
13 + #include <unistd.h>
14 + #include <sys/sysctl.h>
15 + #include <fcntl.h>
16 + #include <limits.h>
17  
18 + uid_t uid;
19 + uid_t euid;
20 + gid_t gid;
21 + gid_t egid;
22 +
23   void die(){
24    exit(1);
25   }
# Line 94 | Line 105 | void userStats(){
105  
106    printf("\npacket.users.count %d\n",numusers);
107  
108 + }
109 +
110 + void systemStats(){
111 +
112 +  long cp_time[CPUSTATES];
113 +  long total, user, idle, kernel, nice;
114 +  long totalmem, freemem, swaptotal, swapused;
115 +
116 +  static char *cpname = "kern.cp_time";
117 +  static char *tmemname = "hw.physmem";
118 +  static char *fmemname = "vm.stats.vm.v_free_count";
119 +  int pagesize=-1;
120 +  size_t size;
121 +
122 +  kvm_t *kvmd = NULL;
123 +  struct kvm_swap swapinfo;
124 +  char errbuf[_POSIX2_LINE_MAX];
125    
126 +  if (sysctlbyname(cpname, NULL, &size, NULL, NULL) < 0){
127 +    errf("sysctlbyname (%m)");
128 +    die();
129 +  }
130  
131 +  if (size != sizeof cp_time){
132 +    errf("bailing out, trying to write into something to small");
133 +    die();
134 +  }
135 +
136 +  if (sysctlbyname(cpname, &cp_time, &size, NULL, NULL) < 0){
137 +    errf("Failed to get cpu stats (%m)");
138 +    die();
139 +  }
140 +
141 +  user=cp_time[CP_USER];
142 +  nice=cp_time[CP_NICE];
143 +  kernel=cp_time[CP_SYS];
144 +  idle=cp_time[CP_IDLE];
145 +
146 +  sleep(1);
147 +
148 +  if (sysctlbyname(cpname, &cp_time, &size, NULL, NULL) < 0){
149 +    errf("Failed to get cpu stats (%m)");
150 +    die();
151 +  }
152 +  
153 +  user-=cp_time[CP_USER];
154 +  nice-=cp_time[CP_NICE];
155 +  kernel-=cp_time[CP_SYS];
156 +  idle-=cp_time[CP_IDLE];
157 +  
158 +  total=user+nice+kernel+idle;
159 +
160 +  printf("packet.cpu.user %ld\n",((user+nice)*100)/total);
161 +  printf("packet.cpu.kernel %ld\n",(kernel*100)/total);
162 +  printf("packet.cpu.idle %ld\n",(idle*100)/total);
163 +
164 +   /* Cos i-scream's expects this to be sent :/ */
165 +  printf("packet.cpu.iowait 0\n");
166 +  printf("packet.cpu.swap 0\n");
167 +  
168 +  /* MEMORY STATS */
169 +  pagesize=getpagesize();
170 +  if (pagesize==-1){
171 +    errf("Failed to get pagesize (%m)");
172 +    die();
173 +  }
174 +
175 +  if (sysctlbyname(tmemname, NULL, &size, NULL, NULL) < 0){
176 +      errf("sysctlbyname (%m)");
177 +      die();
178 +    }
179 +
180 +  if (sysctlbyname(tmemname, &totalmem, &size, NULL, NULL) < 0){
181 +    errf("Failed to get memory stats (%m)");
182 +    die();
183 +  }
184 +
185 +   if (sysctlbyname(fmemname, NULL, &size, NULL, NULL) < 0){
186 +      errf("sysctlbyname (%m)");
187 +      die();
188 +    }
189 +
190 +  if (sysctlbyname(fmemname, &freemem, &size, NULL, NULL) < 0){
191 +    errf("Failed to get memory stats (%m)");
192 +    die();
193 +  }
194 +  
195 +  totalmem/=(1024*1024);
196 +  freemem=(freemem*pagesize)/(1024*1024);
197 +  
198 +  printf("packet.memory.total %ld\n", totalmem);
199 +  printf("packet.memory.free %ld\n", freemem);
200 +  printf("packet.memory.used %ld\n", (totalmem-freemem));
201 +
202 +  /* Swap stats */
203 +
204 +  /* Get sufficent privilages to do this */
205 +  if (gid!=egid){
206 +    /* Means we are setgid something, hopefully kmem :) */
207 +    if ((setegid(egid)) != 0){
208 +      errf("Failed to gain sufficent privilages (%m)");
209 +      die();
210 +    }
211 +  }
212 +
213 +  kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, errbuf);
214 +  if (kvmd == NULL){
215 +    errf("Failed to open kvm info to get swap stats (%m)");
216 +    die();
217 +  }
218 +  
219 +  /* Lose are setgid'ness */
220 +  setegid(gid);
221 +
222 +  /* ok, just for proof of concept atm, ideally this will need to handle more
223 +     than one swap device */
224 +
225 +  if ((kvm_getswapinfo(kvmd, &swapinfo, 1,0)) == -1){
226 +    errf("Failed to get swap info (%m)");
227 +    die();
228 +  }
229 +  
230 +  swaptotal=((((long)swapinfo.ksw_total)*pagesize)/1024)/1024;
231 +  swapused=((((long)swapinfo.ksw_used)*pagesize)/1024)/1024;
232 +
233 +  printf("packet.swap.total %ld\n" , swaptotal);
234 +  printf("packet.swap.used %ld\n", swapused);
235 +  printf("packet.swap.free %lu\n", (swaptotal-swapused));
236 +  
237   }
238  
239   int main(){
240 +  uid=getuid();
241 +  euid=geteuid();
242 +  gid=getgid();
243 +  egid=getegid();
244 +
245 +  /* We dont want to run with more permissions than we need, until we need em */
246 +  seteuid(uid);
247 +  setegid(gid);
248 +
249    diskStats();
250    osStats();
251    loadStats();
252    userStats();
253 +  systemStats();
254    exit(0);
255   }

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