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