1 |
tdb |
1.13 |
/* |
2 |
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* i-scream central monitoring system |
3 |
tdb |
1.14 |
* http://www.i-scream.org.uk |
4 |
tdb |
1.13 |
* Copyright (C) 2000-2002 i-scream |
5 |
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* |
6 |
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* This program is free software; you can redistribute it and/or |
7 |
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* modify it under the terms of the GNU General Public License |
8 |
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* as published by the Free Software Foundation; either version 2 |
9 |
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* of the License, or (at your option) any later version. |
10 |
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* |
11 |
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* This program is distributed in the hope that it will be useful, |
12 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
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* GNU General Public License for more details. |
15 |
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* |
16 |
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* You should have received a copy of the GNU General Public License |
17 |
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* along with this program; if not, write to the Free Software |
18 |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
19 |
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*/ |
20 |
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21 |
pajs |
1.1 |
#include <stdio.h> |
22 |
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#include <stdlib.h> |
23 |
pajs |
1.11 |
#include "ukcprog.h" |
24 |
pajs |
1.1 |
#include <string.h> |
25 |
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#include <unistd.h> |
26 |
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#include <sys/utsname.h> |
27 |
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#include <sys/vfs.h> |
28 |
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#include <utmp.h> |
29 |
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#include <pwd.h> |
30 |
pajs |
1.8 |
#include <mntent.h> |
31 |
pajs |
1.10 |
#include <dirent.h> |
32 |
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#include <limits.h> |
33 |
pajs |
1.1 |
|
34 |
tdb |
1.4 |
int die() { |
35 |
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exit (1); |
36 |
pajs |
1.1 |
} |
37 |
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|
38 |
tdb |
1.4 |
void getLoadAv() { |
39 |
pajs |
1.9 |
#ifdef OLDLIBC |
40 |
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|
41 |
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FILE *f; |
42 |
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char *loadavg; |
43 |
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char *load_p; |
44 |
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|
45 |
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if ((f=fopen("/proc/loadavg", "r" ))==NULL) { |
46 |
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errf("Failed to open load averages (%m)"); |
47 |
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die(); |
48 |
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} |
49 |
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|
50 |
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if ((loadavg=fpgetline(f)) == NULL) { |
51 |
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errf("Failed to read any data for load averages (%m)"); |
52 |
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die(); |
53 |
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} |
54 |
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|
55 |
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if ((fclose(f)) != 0) { |
56 |
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errf("Failed to close file (%m)."); |
57 |
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die(); |
58 |
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} |
59 |
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|
60 |
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load_p=strtok(loadavg, " "); |
61 |
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printf("packet.load.load1 %s\n",load_p); |
62 |
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for(; (*load_p != ' ') && (*load_p != '\0'); load_p++); |
63 |
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load_p++; |
64 |
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if (load_p == NULL) abort(); |
65 |
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load_p=strtok(load_p, " "); |
66 |
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if (load_p == NULL) abort(); |
67 |
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printf("packet.load.load5 %s\n",load_p); |
68 |
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for(; (*load_p != ' ') && (*load_p != '\0'); load_p++); |
69 |
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load_p++; |
70 |
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if (load_p == NULL) abort(); |
71 |
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load_p=strtok(load_p, " "); |
72 |
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if (load_p == NULL) abort(); |
73 |
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printf("packet.load.load15 %s\n",load_p); |
74 |
pajs |
1.8 |
|
75 |
pajs |
1.9 |
#else |
76 |
pajs |
1.8 |
double loadav[3]; |
77 |
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|
78 |
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if((getloadavg(loadav,3)) == -1){ |
79 |
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errf("Failed to get load averages (%m)"); |
80 |
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die(); |
81 |
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} |
82 |
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|
83 |
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printf("packet.load.load1 %.2f\n",loadav[0]); |
84 |
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printf("packet.load.load5 %.2f\n",loadav[1]); |
85 |
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printf("packet.load.load15 %.2f\n",loadav[2]); |
86 |
pajs |
1.9 |
#endif |
87 |
pajs |
1.1 |
} |
88 |
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|
89 |
tdb |
1.4 |
void getMemInfo() { |
90 |
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char *line; |
91 |
pajs |
1.6 |
char *mem=NULL; |
92 |
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char *swap=NULL; |
93 |
tdb |
1.4 |
char *ch; |
94 |
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long memstat[6]; |
95 |
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long swapstat[3]; |
96 |
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long tmp; |
97 |
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int counter=0; |
98 |
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99 |
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FILE *f; |
100 |
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101 |
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if ((f=fopen("/proc/meminfo", "r" ))==NULL) { |
102 |
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errf("Failed to open memory stats (%m)"); |
103 |
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die(); |
104 |
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} |
105 |
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106 |
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while(((line=fpgetline(f)) != NULL) && (counter < 2)) { |
107 |
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if (((strncmp("Mem: ",line,5)) == 0)) { |
108 |
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mem=strdup(line); |
109 |
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counter++; |
110 |
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} |
111 |
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if (((strncmp(line,"Swap: ",6)) == 0)) { |
112 |
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swap=strdup(line); |
113 |
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counter++; |
114 |
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} |
115 |
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} |
116 |
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117 |
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if ((fclose(f)) != 0) { |
118 |
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errf("Failed to close file (%m)."); |
119 |
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die(); |
120 |
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} |
121 |
pajs |
1.6 |
|
122 |
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if (mem==NULL || swap==NULL){ |
123 |
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errf("Failed to obtain information required for memory and swap stats"); |
124 |
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die(); |
125 |
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} |
126 |
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|
127 |
tdb |
1.4 |
/* Get the info we want from the 2 read in lines */ |
128 |
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129 |
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ch = strchr(mem, ' '); |
130 |
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if (ch == NULL) abort(); |
131 |
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*ch = '\0'; |
132 |
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ch++; |
133 |
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134 |
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/* By now we should of skipped the mem: bit.. onto the numbers */ |
135 |
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136 |
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for(counter=0;counter<6;counter++) { |
137 |
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for (; (*ch == ' '); ch++); |
138 |
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if (ch == NULL) abort(); |
139 |
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memstat[counter]=atol(ch); |
140 |
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ch++; |
141 |
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for(; (*ch != ' ') && (*ch != '\0'); ch++); |
142 |
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if (ch == NULL) abort(); |
143 |
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} |
144 |
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145 |
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/* Now swap.. */ |
146 |
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ch = strchr(swap, ' '); |
147 |
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if (ch == NULL) abort(); |
148 |
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*ch = '\0'; |
149 |
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ch++; |
150 |
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151 |
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for(counter=0;counter<3;counter++) { |
152 |
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for (; (*ch == ' '); ch++); |
153 |
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if (ch == NULL) abort(); |
154 |
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swapstat[counter]=atol(ch); |
155 |
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ch++; |
156 |
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for(; (*ch != ' ') && (*ch != '\0'); ch++); |
157 |
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if (ch == NULL) abort(); |
158 |
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} |
159 |
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160 |
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printf("packet.memory.total %ld\n",((memstat[0]/1024)/1024)); |
161 |
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162 |
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/* Due to batty linux we do some maths to work out roughly what the free ram is */ |
163 |
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tmp=((memstat[1] - memstat[4])/1024)/1024; |
164 |
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printf("packet.memory.used %ld\n",tmp); |
165 |
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tmp=((memstat[2] + memstat[4])/1024)/1024; |
166 |
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printf("packet.memory.free %ld\n",tmp); |
167 |
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168 |
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printf("packet.swap.total %ld\n",((swapstat[0]/1024)/1024)); |
169 |
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printf("packet.swap.used %ld\n",((swapstat[1]/1024)/1024)); |
170 |
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printf("packet.swap.free %ld\n",((swapstat[2])/1024)/1024); |
171 |
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|
172 |
|
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free(mem); |
173 |
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free(swap); |
174 |
pajs |
1.1 |
} |
175 |
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|
176 |
tdb |
1.4 |
void cpustats() { |
177 |
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char *tmp; |
178 |
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char *line[2]; |
179 |
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char *line_p[2]; |
180 |
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long cpustats[4][2]; |
181 |
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long user, kernel, idle; |
182 |
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long total; |
183 |
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int x,y; |
184 |
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float usage; |
185 |
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FILE *f; |
186 |
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|
187 |
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if ((f=fopen("/proc/stat", "r" ))==NULL) { |
188 |
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errf("Failed to open cpu stats (%m)"); |
189 |
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die(); |
190 |
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} |
191 |
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|
192 |
|
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if((tmp=fpgetline(f)) == NULL) { |
193 |
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errf("Failed to read cpu stats (%m)"); |
194 |
|
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die(); |
195 |
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} |
196 |
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197 |
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if((line[0]=strdup(tmp)) == NULL) { |
198 |
|
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errf("strdup failed (%m)"); |
199 |
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die(); |
200 |
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} |
201 |
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|
202 |
|
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if ((fclose(f)) != 0) { |
203 |
|
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errf("Failed to close file (%m)."); |
204 |
|
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die(); |
205 |
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} |
206 |
pajs |
1.1 |
|
207 |
tdb |
1.4 |
sleep(1); |
208 |
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|
209 |
|
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if ((f=fopen("/proc/stat", "r" ))==NULL) { |
210 |
|
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errf("Failed to open cpu stats (%m)"); |
211 |
|
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die(); |
212 |
|
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} |
213 |
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|
214 |
|
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if((tmp=fpgetline(f)) == NULL) { |
215 |
|
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errf("Failed to read cpu stats (%m)"); |
216 |
|
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die(); |
217 |
|
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} |
218 |
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|
219 |
|
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if((line[1]=strdup(tmp)) == NULL) { |
220 |
|
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errf("strdup failed (%m)"); |
221 |
|
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die(); |
222 |
|
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} |
223 |
pajs |
1.1 |
|
224 |
tdb |
1.4 |
if ((fclose(f)) != 0) { |
225 |
|
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errf("Failed to close file (%m)."); |
226 |
|
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die(); |
227 |
|
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} |
228 |
|
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|
229 |
|
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for(x=0;x<2;x++) { |
230 |
|
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line_p[x] = strchr(line[x], ' '); |
231 |
|
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if (line_p[x] == NULL) abort(); |
232 |
|
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*line_p[x] = '\0'; |
233 |
|
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line_p[x]++; |
234 |
|
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} |
235 |
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|
236 |
|
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/* Now should be passed "cpu " */ |
237 |
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|
238 |
|
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for(x=0;x<2;x++) { |
239 |
|
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for(y=0;y<4;y++) { |
240 |
|
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for (; (*line_p[x] == ' '); line_p[x]++); |
241 |
|
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if (line_p[x] == NULL) abort(); |
242 |
|
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cpustats[y][x]=atol(line_p[x]); |
243 |
|
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line_p[x]++; |
244 |
|
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for(; (*line_p[x] != ' ') && (*line_p[x] != '\0'); line_p[x]++); |
245 |
|
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if (line_p[x] == NULL) abort(); |
246 |
|
|
for (; (*line_p[x] == ' '); line_p[x]++); |
247 |
|
|
} |
248 |
|
|
} |
249 |
|
|
|
250 |
|
|
user=cpustats[0][1]-cpustats[0][0]+cpustats[1][1]-cpustats[1][0]; |
251 |
|
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kernel=cpustats[2][1]-cpustats[2][0]; |
252 |
|
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idle=cpustats[3][1]-cpustats[3][0]; |
253 |
|
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|
254 |
|
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/* use total to get the total number and then work out the percentages */ |
255 |
|
|
total=user+kernel+idle; |
256 |
|
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|
257 |
|
|
usage=((((float)user)/((float)total))*100.00); |
258 |
|
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printf("packet.cpu.user %3.2f\n", usage); |
259 |
|
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usage=((((float)kernel)/((float)total))*100.00); |
260 |
|
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printf("packet.cpu.kernel %3.2f\n", usage); |
261 |
|
|
usage=((((float)idle)/((float)total))*100.00); |
262 |
|
|
printf("packet.cpu.idle %3.2f\n", usage); |
263 |
|
|
|
264 |
pajs |
1.5 |
/* Cos i-scream's expects this to be sent :/ */ |
265 |
tdb |
1.4 |
printf("packet.cpu.iowait 0\n"); |
266 |
pajs |
1.5 |
printf("packet.cpu.swap 0\n"); |
267 |
|
|
|
268 |
tdb |
1.4 |
free(line[0]); |
269 |
|
|
free(line[1]); |
270 |
pajs |
1.1 |
} |
271 |
|
|
|
272 |
tdb |
1.4 |
void processStats() { |
273 |
pajs |
1.10 |
int sleeping=0; |
274 |
tdb |
1.4 |
int zombie=0; |
275 |
|
|
int stopped=0; |
276 |
|
|
int running=0; |
277 |
|
|
int nousers=0; |
278 |
|
|
char *line; |
279 |
pajs |
1.10 |
char *line_ptr; |
280 |
tdb |
1.4 |
struct utmp *entry; |
281 |
pajs |
1.10 |
DIR *procdir; |
282 |
|
|
struct dirent *procent; |
283 |
|
|
char fname[_POSIX_PATH_MAX]; |
284 |
tdb |
1.4 |
FILE *f; |
285 |
pajs |
1.10 |
|
286 |
|
|
chdir("/proc"); |
287 |
|
|
if((procdir=opendir(".")) == NULL){ |
288 |
|
|
errf("Failed to open proc (%m)"); |
289 |
|
|
exit(1); |
290 |
tdb |
1.4 |
} |
291 |
pajs |
1.7 |
|
292 |
pajs |
1.10 |
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 |
pajs |
1.12 |
for(;*line_ptr++ != '\t';); |
308 |
|
|
|
309 |
|
|
|
310 |
pajs |
1.10 |
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 |
tdb |
1.4 |
} |
317 |
pajs |
1.10 |
closedir(procdir); |
318 |
|
|
|
319 |
tdb |
1.4 |
printf("packet.users.list"); |
320 |
|
|
|
321 |
|
|
while((entry=getutent()) != NULL) { |
322 |
|
|
if(entry->ut_type==USER_PROCESS) { |
323 |
|
|
printf(" %s",entry->ut_user); |
324 |
|
|
nousers++; |
325 |
|
|
} |
326 |
|
|
} |
327 |
|
|
|
328 |
|
|
printf("\npacket.users.count %d\n", nousers); |
329 |
|
|
|
330 |
pajs |
1.5 |
printf("packet.processes.sleeping %d\n",sleeping); |
331 |
|
|
printf("packet.processes.cpu %d\n",running); |
332 |
tdb |
1.4 |
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)); |
335 |
pajs |
1.1 |
} |
336 |
|
|
|
337 |
tdb |
1.4 |
void uptimeStats() { |
338 |
|
|
char *line; |
339 |
|
|
char *line_p; |
340 |
|
|
FILE *f; |
341 |
|
|
|
342 |
|
|
if ((f=fopen("/proc/uptime", "r")) == NULL) { |
343 |
|
|
errf("Failed to get uptime stats (%m)"); |
344 |
|
|
die(); |
345 |
|
|
} |
346 |
|
|
|
347 |
|
|
if ((line=fpgetline(f)) == NULL) { |
348 |
|
|
errf("Failed to read uptime stats (%m)"); |
349 |
|
|
die(); |
350 |
|
|
} |
351 |
|
|
|
352 |
|
|
if ((fclose(f)) != 0) { |
353 |
|
|
errf("Failed to close file (%m)."); |
354 |
|
|
die(); |
355 |
|
|
} |
356 |
|
|
|
357 |
|
|
line_p=strchr(line, '.'); |
358 |
|
|
if (line_p==NULL) abort(); |
359 |
|
|
*line_p='\0'; |
360 |
|
|
|
361 |
|
|
printf("packet.os.uptime %s\n", line); |
362 |
pajs |
1.1 |
} |
363 |
|
|
|
364 |
tdb |
1.4 |
void osStats() { |
365 |
|
|
struct utsname os; |
366 |
|
|
|
367 |
|
|
if((uname(&os)) != 0) { |
368 |
|
|
errf("Failed to get os stats (%m)"); |
369 |
|
|
die(); |
370 |
|
|
} |
371 |
|
|
|
372 |
|
|
printf("packet.os.name %s\n", os.sysname); |
373 |
|
|
printf("packet.os.release %s\n" , os.release); |
374 |
|
|
printf("packet.os.version %s\n", os.version); |
375 |
|
|
printf("packet.os.sysname %s\n" , os.nodename); |
376 |
|
|
printf("packet.os.platform %s\n", os.machine); |
377 |
pajs |
1.1 |
} |
378 |
|
|
|
379 |
tdb |
1.4 |
void diskStats() { |
380 |
pajs |
1.8 |
|
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 |
tdb |
1.4 |
|
399 |
pajs |
1.8 |
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 |
tdb |
1.4 |
|
407 |
pajs |
1.8 |
counter++; |
408 |
|
|
} |
409 |
|
|
|
410 |
|
|
|
411 |
|
|
|
412 |
pajs |
1.1 |
} |
413 |
|
|
|
414 |
tdb |
1.4 |
int main() { |
415 |
pajs |
1.1 |
getLoadAv(); |
416 |
|
|
getMemInfo(); |
417 |
|
|
cpustats(); |
418 |
|
|
processStats(); |
419 |
|
|
uptimeStats(); |
420 |
|
|
osStats(); |
421 |
|
|
diskStats(); |
422 |
|
|
fflush(stdout); |
423 |
|
|
return 0; |
424 |
|
|
} |