1 |
pajs |
1.1 |
#include <stdio.h> |
2 |
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#include <stdlib.h> |
3 |
tdb |
1.3 |
#include "ukcprog.h" |
4 |
pajs |
1.1 |
#include <string.h> |
5 |
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#include <unistd.h> |
6 |
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#include <sys/utsname.h> |
7 |
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#include <sys/vfs.h> |
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#include <utmp.h> |
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#include <pwd.h> |
10 |
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11 |
tdb |
1.4 |
int die() { |
12 |
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exit (1); |
13 |
pajs |
1.1 |
} |
14 |
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15 |
tdb |
1.4 |
void getLoadAv() { |
16 |
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FILE *f; |
17 |
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char *loadavg; |
18 |
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char *load_p; |
19 |
pajs |
1.1 |
|
20 |
tdb |
1.4 |
if ((f=fopen("/proc/loadavg", "r" ))==NULL) { |
21 |
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errf("Failed to open load averages (%m)"); |
22 |
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die(); |
23 |
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} |
24 |
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25 |
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if ((loadavg=fpgetline(f)) == NULL) { |
26 |
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errf("Failed to read any data for load averages (%m)"); |
27 |
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die(); |
28 |
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} |
29 |
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30 |
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if ((fclose(f)) != 0) { |
31 |
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errf("Failed to close file (%m)."); |
32 |
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die(); |
33 |
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} |
34 |
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35 |
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load_p=strtok(loadavg, " "); |
36 |
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printf("packet.load.load1 %s\n",load_p); |
37 |
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for(; (*load_p != ' ') && (*load_p != '\0'); load_p++); |
38 |
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load_p++; |
39 |
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if (load_p == NULL) abort(); |
40 |
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load_p=strtok(load_p, " "); |
41 |
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if (load_p == NULL) abort(); |
42 |
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printf("packet.load.load5 %s\n",load_p); |
43 |
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for(; (*load_p != ' ') && (*load_p != '\0'); load_p++); |
44 |
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load_p++; |
45 |
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if (load_p == NULL) abort(); |
46 |
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load_p=strtok(load_p, " "); |
47 |
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if (load_p == NULL) abort(); |
48 |
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printf("packet.load.load15 %s\n",load_p); |
49 |
pajs |
1.1 |
} |
50 |
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51 |
tdb |
1.4 |
void getMemInfo() { |
52 |
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char *line; |
53 |
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char *mem; |
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char *swap; |
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char *ch; |
56 |
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long memstat[6]; |
57 |
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long swapstat[3]; |
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long tmp; |
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int counter=0; |
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61 |
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FILE *f; |
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if ((f=fopen("/proc/meminfo", "r" ))==NULL) { |
64 |
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errf("Failed to open memory stats (%m)"); |
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die(); |
66 |
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} |
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68 |
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while(((line=fpgetline(f)) != NULL) && (counter < 2)) { |
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if (((strncmp("Mem: ",line,5)) == 0)) { |
70 |
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mem=strdup(line); |
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counter++; |
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} |
73 |
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if (((strncmp(line,"Swap: ",6)) == 0)) { |
74 |
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swap=strdup(line); |
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counter++; |
76 |
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} |
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} |
78 |
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79 |
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if ((fclose(f)) != 0) { |
80 |
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errf("Failed to close file (%m)."); |
81 |
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die(); |
82 |
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} |
83 |
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84 |
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/* Get the info we want from the 2 read in lines */ |
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86 |
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ch = strchr(mem, ' '); |
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if (ch == NULL) abort(); |
88 |
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*ch = '\0'; |
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ch++; |
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91 |
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/* By now we should of skipped the mem: bit.. onto the numbers */ |
92 |
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93 |
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for(counter=0;counter<6;counter++) { |
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for (; (*ch == ' '); ch++); |
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if (ch == NULL) abort(); |
96 |
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memstat[counter]=atol(ch); |
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ch++; |
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for(; (*ch != ' ') && (*ch != '\0'); ch++); |
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if (ch == NULL) abort(); |
100 |
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} |
101 |
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102 |
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/* Now swap.. */ |
103 |
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ch = strchr(swap, ' '); |
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if (ch == NULL) abort(); |
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*ch = '\0'; |
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ch++; |
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108 |
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for(counter=0;counter<3;counter++) { |
109 |
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for (; (*ch == ' '); ch++); |
110 |
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if (ch == NULL) abort(); |
111 |
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swapstat[counter]=atol(ch); |
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ch++; |
113 |
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for(; (*ch != ' ') && (*ch != '\0'); ch++); |
114 |
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if (ch == NULL) abort(); |
115 |
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} |
116 |
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117 |
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printf("packet.memory.total %ld\n",((memstat[0]/1024)/1024)); |
118 |
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119 |
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/* Due to batty linux we do some maths to work out roughly what the free ram is */ |
120 |
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tmp=((memstat[1] - memstat[4])/1024)/1024; |
121 |
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printf("packet.memory.used %ld\n",tmp); |
122 |
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tmp=((memstat[2] + memstat[4])/1024)/1024; |
123 |
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printf("packet.memory.free %ld\n",tmp); |
124 |
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125 |
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printf("packet.swap.total %ld\n",((swapstat[0]/1024)/1024)); |
126 |
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printf("packet.swap.used %ld\n",((swapstat[1]/1024)/1024)); |
127 |
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printf("packet.swap.free %ld\n",((swapstat[2])/1024)/1024); |
128 |
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129 |
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free(mem); |
130 |
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free(swap); |
131 |
pajs |
1.1 |
} |
132 |
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133 |
tdb |
1.4 |
void cpustats() { |
134 |
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char *tmp; |
135 |
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char *line[2]; |
136 |
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char *line_p[2]; |
137 |
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long cpustats[4][2]; |
138 |
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long user, kernel, idle; |
139 |
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long total; |
140 |
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int x,y; |
141 |
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float usage; |
142 |
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FILE *f; |
143 |
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144 |
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if ((f=fopen("/proc/stat", "r" ))==NULL) { |
145 |
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errf("Failed to open cpu stats (%m)"); |
146 |
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die(); |
147 |
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} |
148 |
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149 |
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if((tmp=fpgetline(f)) == NULL) { |
150 |
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errf("Failed to read cpu stats (%m)"); |
151 |
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die(); |
152 |
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} |
153 |
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154 |
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if((line[0]=strdup(tmp)) == NULL) { |
155 |
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errf("strdup failed (%m)"); |
156 |
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die(); |
157 |
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} |
158 |
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159 |
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if ((fclose(f)) != 0) { |
160 |
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errf("Failed to close file (%m)."); |
161 |
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die(); |
162 |
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} |
163 |
pajs |
1.1 |
|
164 |
tdb |
1.4 |
sleep(1); |
165 |
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166 |
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if ((f=fopen("/proc/stat", "r" ))==NULL) { |
167 |
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errf("Failed to open cpu stats (%m)"); |
168 |
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die(); |
169 |
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} |
170 |
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171 |
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if((tmp=fpgetline(f)) == NULL) { |
172 |
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errf("Failed to read cpu stats (%m)"); |
173 |
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die(); |
174 |
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} |
175 |
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176 |
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if((line[1]=strdup(tmp)) == NULL) { |
177 |
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errf("strdup failed (%m)"); |
178 |
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die(); |
179 |
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} |
180 |
pajs |
1.1 |
|
181 |
tdb |
1.4 |
if ((fclose(f)) != 0) { |
182 |
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errf("Failed to close file (%m)."); |
183 |
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die(); |
184 |
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} |
185 |
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186 |
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for(x=0;x<2;x++) { |
187 |
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line_p[x] = strchr(line[x], ' '); |
188 |
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if (line_p[x] == NULL) abort(); |
189 |
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*line_p[x] = '\0'; |
190 |
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line_p[x]++; |
191 |
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} |
192 |
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193 |
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/* Now should be passed "cpu " */ |
194 |
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195 |
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for(x=0;x<2;x++) { |
196 |
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for(y=0;y<4;y++) { |
197 |
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for (; (*line_p[x] == ' '); line_p[x]++); |
198 |
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if (line_p[x] == NULL) abort(); |
199 |
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cpustats[y][x]=atol(line_p[x]); |
200 |
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line_p[x]++; |
201 |
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for(; (*line_p[x] != ' ') && (*line_p[x] != '\0'); line_p[x]++); |
202 |
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if (line_p[x] == NULL) abort(); |
203 |
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for (; (*line_p[x] == ' '); line_p[x]++); |
204 |
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} |
205 |
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} |
206 |
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207 |
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user=cpustats[0][1]-cpustats[0][0]+cpustats[1][1]-cpustats[1][0]; |
208 |
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kernel=cpustats[2][1]-cpustats[2][0]; |
209 |
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idle=cpustats[3][1]-cpustats[3][0]; |
210 |
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211 |
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/* use total to get the total number and then work out the percentages */ |
212 |
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total=user+kernel+idle; |
213 |
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214 |
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usage=((((float)user)/((float)total))*100.00); |
215 |
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printf("packet.cpu.user %3.2f\n", usage); |
216 |
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usage=((((float)kernel)/((float)total))*100.00); |
217 |
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printf("packet.cpu.kernel %3.2f\n", usage); |
218 |
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usage=((((float)idle)/((float)total))*100.00); |
219 |
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printf("packet.cpu.idle %3.2f\n", usage); |
220 |
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221 |
pajs |
1.5 |
/* Cos i-scream's expects this to be sent :/ */ |
222 |
tdb |
1.4 |
printf("packet.cpu.iowait 0\n"); |
223 |
pajs |
1.5 |
printf("packet.cpu.swap 0\n"); |
224 |
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225 |
tdb |
1.4 |
free(line[0]); |
226 |
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free(line[1]); |
227 |
pajs |
1.1 |
} |
228 |
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229 |
tdb |
1.4 |
void processStats() { |
230 |
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int sleeping=0; |
231 |
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int zombie=0; |
232 |
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int stopped=0; |
233 |
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int running=0; |
234 |
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int nousers=0; |
235 |
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char *line; |
236 |
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char *line_p; |
237 |
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struct utmp *entry; |
238 |
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239 |
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FILE *f; |
240 |
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241 |
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if((f=popen("/bin/ps -Al" , "r")) == NULL) { |
242 |
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errf("Failed to get process stats (%m)"); |
243 |
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die(); |
244 |
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} |
245 |
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246 |
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while((line=fpgetline(f)) != NULL) { |
247 |
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line_p=strchr(line, ' '); |
248 |
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line_p++; |
249 |
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if (line_p==NULL) abort(); |
250 |
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/* Ok, we should now be at the state :) .. */ |
251 |
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if (*line_p=='S') sleeping++; |
252 |
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if (*line_p=='R') running++; |
253 |
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if (*line_p=='Z') zombie++; |
254 |
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if (*line_p=='T') stopped++; |
255 |
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} |
256 |
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257 |
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if((pclose(f)) == -1) { |
258 |
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errf("Failed to close process stats (%m)"); |
259 |
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die(); |
260 |
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} |
261 |
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262 |
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printf("packet.users.list"); |
263 |
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264 |
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while((entry=getutent()) != NULL) { |
265 |
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if(entry->ut_type==USER_PROCESS) { |
266 |
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printf(" %s",entry->ut_user); |
267 |
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nousers++; |
268 |
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} |
269 |
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} |
270 |
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271 |
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printf("\npacket.users.count %d\n", nousers); |
272 |
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273 |
pajs |
1.5 |
printf("packet.processes.sleeping %d\n",sleeping); |
274 |
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printf("packet.processes.cpu %d\n",running); |
275 |
tdb |
1.4 |
printf("packet.processes.zombie %d\n",zombie); |
276 |
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printf("packet.processes.stopped %d\n", stopped); |
277 |
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printf("packet.processes.total %d\n", (sleeping+running+zombie+stopped)); |
278 |
pajs |
1.1 |
} |
279 |
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|
280 |
tdb |
1.4 |
void uptimeStats() { |
281 |
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char *line; |
282 |
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char *line_p; |
283 |
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FILE *f; |
284 |
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285 |
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if ((f=fopen("/proc/uptime", "r")) == NULL) { |
286 |
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errf("Failed to get uptime stats (%m)"); |
287 |
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die(); |
288 |
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} |
289 |
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290 |
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if ((line=fpgetline(f)) == NULL) { |
291 |
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errf("Failed to read uptime stats (%m)"); |
292 |
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die(); |
293 |
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} |
294 |
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295 |
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if ((fclose(f)) != 0) { |
296 |
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errf("Failed to close file (%m)."); |
297 |
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die(); |
298 |
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} |
299 |
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300 |
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line_p=strchr(line, '.'); |
301 |
|
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if (line_p==NULL) abort(); |
302 |
|
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*line_p='\0'; |
303 |
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304 |
|
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printf("packet.os.uptime %s\n", line); |
305 |
pajs |
1.1 |
} |
306 |
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|
307 |
tdb |
1.4 |
void osStats() { |
308 |
|
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struct utsname os; |
309 |
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310 |
|
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if((uname(&os)) != 0) { |
311 |
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errf("Failed to get os stats (%m)"); |
312 |
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die(); |
313 |
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} |
314 |
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315 |
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printf("packet.os.name %s\n", os.sysname); |
316 |
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printf("packet.os.release %s\n" , os.release); |
317 |
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printf("packet.os.version %s\n", os.version); |
318 |
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printf("packet.os.sysname %s\n" , os.nodename); |
319 |
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printf("packet.os.platform %s\n", os.machine); |
320 |
pajs |
1.1 |
} |
321 |
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|
322 |
tdb |
1.4 |
void diskStats() { |
323 |
|
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struct statfs df; |
324 |
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FILE *f; |
325 |
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char *line; |
326 |
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char *line_p; |
327 |
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long bstok; |
328 |
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int diskcnt=0; |
329 |
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330 |
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if ((f=fopen("/etc/mtab", "r")) == NULL) { |
331 |
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errf("Failed to get uptime stats (%m)"); |
332 |
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die(); |
333 |
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} |
334 |
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335 |
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while((line=fpgetline(f)) != NULL) { |
336 |
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line_p=strchr(line, ' '); |
337 |
|
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if(line_p==NULL) abort(); |
338 |
|
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*line_p='\0'; |
339 |
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line_p++; |
340 |
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if(line_p==NULL) abort(); |
341 |
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printf("packet.disk.p%d.attributes.name %s\n",diskcnt,line); |
342 |
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line=strchr(line_p, ' '); |
343 |
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if(line==NULL) abort(); |
344 |
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*line='\0'; |
345 |
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printf("packet.disk.p%d.attributes.mount %s\n",diskcnt,line_p); |
346 |
|
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if((statfs(line_p, &df)) != 0) { |
347 |
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errf("Failed to get Filesystem stats (%m)"); |
348 |
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die(); |
349 |
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} |
350 |
|
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bstok=(df.f_bsize/1024); |
351 |
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printf("packet.disk.p%d.attributes.kbytes %ld\n",diskcnt,bstok*df.f_blocks); |
352 |
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printf("packet.disk.p%d.attributes.used %ld\n" ,diskcnt, ((bstok*df.f_blocks)-(bstok*df.f_bfree))); |
353 |
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printf("packet.disk.p%d.attributes.avail %ld\n", diskcnt, (df.f_bsize/1024)*df.f_bavail); |
354 |
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printf("packet.disk.p%d.attributes.totalinodes %ld\n", diskcnt, df.f_files); |
355 |
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printf("packet.disk.p%d.attributes.freeinodes %ld\n", diskcnt, df.f_ffree); |
356 |
|
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diskcnt++; |
357 |
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} |
358 |
pajs |
1.1 |
} |
359 |
|
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|
360 |
tdb |
1.4 |
int main() { |
361 |
pajs |
1.1 |
getLoadAv(); |
362 |
|
|
getMemInfo(); |
363 |
|
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cpustats(); |
364 |
|
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processStats(); |
365 |
|
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uptimeStats(); |
366 |
|
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osStats(); |
367 |
|
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diskStats(); |
368 |
|
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fflush(stdout); |
369 |
|
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return 0; |
370 |
|
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} |