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> |
8 |
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#include <utmp.h> |
9 |
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#include <pwd.h> |
10 |
pajs |
1.8 |
#include <mntent.h> |
11 |
pajs |
1.1 |
|
12 |
tdb |
1.4 |
int die() { |
13 |
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exit (1); |
14 |
pajs |
1.1 |
} |
15 |
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|
16 |
tdb |
1.4 |
void getLoadAv() { |
17 |
pajs |
1.8 |
|
18 |
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double loadav[3]; |
19 |
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20 |
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if((getloadavg(loadav,3)) == -1){ |
21 |
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errf("Failed to get load averages (%m)"); |
22 |
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die(); |
23 |
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} |
24 |
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25 |
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printf("packet.load.load1 %.2f\n",loadav[0]); |
26 |
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printf("packet.load.load5 %.2f\n",loadav[1]); |
27 |
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printf("packet.load.load15 %.2f\n",loadav[2]); |
28 |
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29 |
pajs |
1.1 |
} |
30 |
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31 |
tdb |
1.4 |
void getMemInfo() { |
32 |
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char *line; |
33 |
pajs |
1.6 |
char *mem=NULL; |
34 |
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char *swap=NULL; |
35 |
tdb |
1.4 |
char *ch; |
36 |
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long memstat[6]; |
37 |
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long swapstat[3]; |
38 |
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long tmp; |
39 |
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int counter=0; |
40 |
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41 |
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FILE *f; |
42 |
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43 |
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if ((f=fopen("/proc/meminfo", "r" ))==NULL) { |
44 |
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errf("Failed to open memory stats (%m)"); |
45 |
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die(); |
46 |
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} |
47 |
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48 |
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while(((line=fpgetline(f)) != NULL) && (counter < 2)) { |
49 |
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if (((strncmp("Mem: ",line,5)) == 0)) { |
50 |
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mem=strdup(line); |
51 |
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counter++; |
52 |
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} |
53 |
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if (((strncmp(line,"Swap: ",6)) == 0)) { |
54 |
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swap=strdup(line); |
55 |
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counter++; |
56 |
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} |
57 |
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} |
58 |
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59 |
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if ((fclose(f)) != 0) { |
60 |
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errf("Failed to close file (%m)."); |
61 |
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die(); |
62 |
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} |
63 |
pajs |
1.6 |
|
64 |
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if (mem==NULL || swap==NULL){ |
65 |
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errf("Failed to obtain information required for memory and swap stats"); |
66 |
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die(); |
67 |
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} |
68 |
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69 |
tdb |
1.4 |
/* Get the info we want from the 2 read in lines */ |
70 |
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71 |
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ch = strchr(mem, ' '); |
72 |
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if (ch == NULL) abort(); |
73 |
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*ch = '\0'; |
74 |
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ch++; |
75 |
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76 |
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/* By now we should of skipped the mem: bit.. onto the numbers */ |
77 |
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78 |
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for(counter=0;counter<6;counter++) { |
79 |
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for (; (*ch == ' '); ch++); |
80 |
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if (ch == NULL) abort(); |
81 |
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memstat[counter]=atol(ch); |
82 |
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ch++; |
83 |
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for(; (*ch != ' ') && (*ch != '\0'); ch++); |
84 |
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if (ch == NULL) abort(); |
85 |
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} |
86 |
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87 |
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/* Now swap.. */ |
88 |
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ch = strchr(swap, ' '); |
89 |
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if (ch == NULL) abort(); |
90 |
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*ch = '\0'; |
91 |
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ch++; |
92 |
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93 |
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for(counter=0;counter<3;counter++) { |
94 |
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for (; (*ch == ' '); ch++); |
95 |
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if (ch == NULL) abort(); |
96 |
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swapstat[counter]=atol(ch); |
97 |
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ch++; |
98 |
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for(; (*ch != ' ') && (*ch != '\0'); ch++); |
99 |
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if (ch == NULL) abort(); |
100 |
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} |
101 |
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102 |
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printf("packet.memory.total %ld\n",((memstat[0]/1024)/1024)); |
103 |
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104 |
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/* Due to batty linux we do some maths to work out roughly what the free ram is */ |
105 |
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tmp=((memstat[1] - memstat[4])/1024)/1024; |
106 |
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printf("packet.memory.used %ld\n",tmp); |
107 |
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tmp=((memstat[2] + memstat[4])/1024)/1024; |
108 |
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printf("packet.memory.free %ld\n",tmp); |
109 |
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110 |
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printf("packet.swap.total %ld\n",((swapstat[0]/1024)/1024)); |
111 |
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printf("packet.swap.used %ld\n",((swapstat[1]/1024)/1024)); |
112 |
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printf("packet.swap.free %ld\n",((swapstat[2])/1024)/1024); |
113 |
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114 |
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free(mem); |
115 |
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free(swap); |
116 |
pajs |
1.1 |
} |
117 |
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|
118 |
tdb |
1.4 |
void cpustats() { |
119 |
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char *tmp; |
120 |
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char *line[2]; |
121 |
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char *line_p[2]; |
122 |
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long cpustats[4][2]; |
123 |
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long user, kernel, idle; |
124 |
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long total; |
125 |
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int x,y; |
126 |
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float usage; |
127 |
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FILE *f; |
128 |
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129 |
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if ((f=fopen("/proc/stat", "r" ))==NULL) { |
130 |
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errf("Failed to open cpu stats (%m)"); |
131 |
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die(); |
132 |
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} |
133 |
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134 |
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if((tmp=fpgetline(f)) == NULL) { |
135 |
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errf("Failed to read cpu stats (%m)"); |
136 |
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die(); |
137 |
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} |
138 |
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139 |
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if((line[0]=strdup(tmp)) == NULL) { |
140 |
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errf("strdup failed (%m)"); |
141 |
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die(); |
142 |
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} |
143 |
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144 |
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if ((fclose(f)) != 0) { |
145 |
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errf("Failed to close file (%m)."); |
146 |
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die(); |
147 |
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} |
148 |
pajs |
1.1 |
|
149 |
tdb |
1.4 |
sleep(1); |
150 |
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151 |
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if ((f=fopen("/proc/stat", "r" ))==NULL) { |
152 |
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errf("Failed to open cpu stats (%m)"); |
153 |
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die(); |
154 |
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} |
155 |
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156 |
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if((tmp=fpgetline(f)) == NULL) { |
157 |
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errf("Failed to read cpu stats (%m)"); |
158 |
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die(); |
159 |
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} |
160 |
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161 |
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if((line[1]=strdup(tmp)) == NULL) { |
162 |
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errf("strdup failed (%m)"); |
163 |
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die(); |
164 |
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} |
165 |
pajs |
1.1 |
|
166 |
tdb |
1.4 |
if ((fclose(f)) != 0) { |
167 |
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errf("Failed to close file (%m)."); |
168 |
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die(); |
169 |
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} |
170 |
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171 |
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for(x=0;x<2;x++) { |
172 |
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line_p[x] = strchr(line[x], ' '); |
173 |
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if (line_p[x] == NULL) abort(); |
174 |
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*line_p[x] = '\0'; |
175 |
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line_p[x]++; |
176 |
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} |
177 |
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178 |
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/* Now should be passed "cpu " */ |
179 |
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180 |
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for(x=0;x<2;x++) { |
181 |
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for(y=0;y<4;y++) { |
182 |
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for (; (*line_p[x] == ' '); line_p[x]++); |
183 |
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if (line_p[x] == NULL) abort(); |
184 |
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cpustats[y][x]=atol(line_p[x]); |
185 |
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line_p[x]++; |
186 |
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for(; (*line_p[x] != ' ') && (*line_p[x] != '\0'); line_p[x]++); |
187 |
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if (line_p[x] == NULL) abort(); |
188 |
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for (; (*line_p[x] == ' '); line_p[x]++); |
189 |
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} |
190 |
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} |
191 |
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192 |
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user=cpustats[0][1]-cpustats[0][0]+cpustats[1][1]-cpustats[1][0]; |
193 |
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kernel=cpustats[2][1]-cpustats[2][0]; |
194 |
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idle=cpustats[3][1]-cpustats[3][0]; |
195 |
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196 |
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/* use total to get the total number and then work out the percentages */ |
197 |
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total=user+kernel+idle; |
198 |
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199 |
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usage=((((float)user)/((float)total))*100.00); |
200 |
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printf("packet.cpu.user %3.2f\n", usage); |
201 |
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usage=((((float)kernel)/((float)total))*100.00); |
202 |
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printf("packet.cpu.kernel %3.2f\n", usage); |
203 |
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usage=((((float)idle)/((float)total))*100.00); |
204 |
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printf("packet.cpu.idle %3.2f\n", usage); |
205 |
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206 |
pajs |
1.5 |
/* Cos i-scream's expects this to be sent :/ */ |
207 |
tdb |
1.4 |
printf("packet.cpu.iowait 0\n"); |
208 |
pajs |
1.5 |
printf("packet.cpu.swap 0\n"); |
209 |
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|
210 |
tdb |
1.4 |
free(line[0]); |
211 |
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free(line[1]); |
212 |
pajs |
1.1 |
} |
213 |
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|
214 |
tdb |
1.4 |
void processStats() { |
215 |
pajs |
1.7 |
int sleeping=-1; |
216 |
tdb |
1.4 |
int zombie=0; |
217 |
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int stopped=0; |
218 |
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int running=0; |
219 |
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int nousers=0; |
220 |
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char *line; |
221 |
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char *line_p; |
222 |
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struct utmp *entry; |
223 |
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224 |
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FILE *f; |
225 |
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226 |
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if((f=popen("/bin/ps -Al" , "r")) == NULL) { |
227 |
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errf("Failed to get process stats (%m)"); |
228 |
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die(); |
229 |
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} |
230 |
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|
231 |
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while((line=fpgetline(f)) != NULL) { |
232 |
pajs |
1.7 |
|
233 |
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line_p=line; |
234 |
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for(; (*line_p == ' ') && (*line_p != '\0'); line_p++); |
235 |
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line_p=strchr(line_p, ' '); |
236 |
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for(; (*line_p == ' ') && (*line_p != '\0'); line_p++); |
237 |
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if (line_p==NULL) abort(); |
238 |
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/* Ok, we should now be at the state :) .. */ |
239 |
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if (*line_p=='S') sleeping++; |
240 |
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if (*line_p=='R') running++; |
241 |
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if (*line_p=='Z') zombie++; |
242 |
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if (*line_p=='T') stopped++; |
243 |
tdb |
1.4 |
} |
244 |
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245 |
|
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if((pclose(f)) == -1) { |
246 |
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errf("Failed to close process stats (%m)"); |
247 |
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die(); |
248 |
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} |
249 |
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250 |
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printf("packet.users.list"); |
251 |
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252 |
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while((entry=getutent()) != NULL) { |
253 |
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if(entry->ut_type==USER_PROCESS) { |
254 |
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printf(" %s",entry->ut_user); |
255 |
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nousers++; |
256 |
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} |
257 |
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} |
258 |
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259 |
|
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printf("\npacket.users.count %d\n", nousers); |
260 |
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261 |
pajs |
1.5 |
printf("packet.processes.sleeping %d\n",sleeping); |
262 |
|
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printf("packet.processes.cpu %d\n",running); |
263 |
tdb |
1.4 |
printf("packet.processes.zombie %d\n",zombie); |
264 |
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printf("packet.processes.stopped %d\n", stopped); |
265 |
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printf("packet.processes.total %d\n", (sleeping+running+zombie+stopped)); |
266 |
pajs |
1.1 |
} |
267 |
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|
268 |
tdb |
1.4 |
void uptimeStats() { |
269 |
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char *line; |
270 |
|
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char *line_p; |
271 |
|
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FILE *f; |
272 |
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273 |
|
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if ((f=fopen("/proc/uptime", "r")) == NULL) { |
274 |
|
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errf("Failed to get uptime stats (%m)"); |
275 |
|
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die(); |
276 |
|
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} |
277 |
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|
278 |
|
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if ((line=fpgetline(f)) == NULL) { |
279 |
|
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errf("Failed to read uptime stats (%m)"); |
280 |
|
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die(); |
281 |
|
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} |
282 |
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283 |
|
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if ((fclose(f)) != 0) { |
284 |
|
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errf("Failed to close file (%m)."); |
285 |
|
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die(); |
286 |
|
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} |
287 |
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288 |
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line_p=strchr(line, '.'); |
289 |
|
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if (line_p==NULL) abort(); |
290 |
|
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*line_p='\0'; |
291 |
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292 |
|
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printf("packet.os.uptime %s\n", line); |
293 |
pajs |
1.1 |
} |
294 |
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|
295 |
tdb |
1.4 |
void osStats() { |
296 |
|
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struct utsname os; |
297 |
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|
298 |
|
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if((uname(&os)) != 0) { |
299 |
|
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errf("Failed to get os stats (%m)"); |
300 |
|
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die(); |
301 |
|
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} |
302 |
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303 |
|
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printf("packet.os.name %s\n", os.sysname); |
304 |
|
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printf("packet.os.release %s\n" , os.release); |
305 |
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printf("packet.os.version %s\n", os.version); |
306 |
|
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printf("packet.os.sysname %s\n" , os.nodename); |
307 |
|
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printf("packet.os.platform %s\n", os.machine); |
308 |
pajs |
1.1 |
} |
309 |
|
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|
310 |
tdb |
1.4 |
void diskStats() { |
311 |
pajs |
1.8 |
|
312 |
|
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struct mntent *mp; |
313 |
|
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struct statfs df; |
314 |
|
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FILE *f; |
315 |
|
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int counter=0; |
316 |
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|
317 |
|
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if ((f=fopen("/etc/mtab", "r" ))==NULL){ |
318 |
|
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errf("Failed to open mounts (%m)"); |
319 |
|
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die(); |
320 |
|
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} |
321 |
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|
322 |
|
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while((mp=getmntent(f))){ |
323 |
|
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if ((statfs(mp->mnt_dir, &df)) !=0){ |
324 |
|
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errf("Failed to gets fs stats (%m)"); |
325 |
|
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continue; |
326 |
|
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} |
327 |
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328 |
|
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if((((strcmp(mp->mnt_type, MNTTYPE_NFS))==0) || (strcmp(mp->mnt_type,MNTTYPE_IGNORE)) ==0)) continue; |
329 |
tdb |
1.4 |
|
330 |
pajs |
1.8 |
printf("packet.disk.p%d.attributes.mount %s\n", counter, mp->mnt_dir); |
331 |
|
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printf("packet.disk.p%d.attributes.name %s\n", counter, mp->mnt_fsname); |
332 |
|
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printf("packet.disk.p%d.attributes.kbytes %lu\n",counter, ((df.f_bsize/1024) * df.f_blocks)); |
333 |
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printf("packet.disk.p%d.attributes.used %lu\n",counter, (((df.f_bsize/1024) * df.f_blocks) -((df.f_bsize/1024) * df.f_bfree))); |
334 |
|
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printf("packet.disk.p%d.attributes.avail %lu\n",counter, (df.f_bsize/1024) * df.f_bavail); |
335 |
|
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printf("packet.disk.p%d.attributes.totalinodes %lu\n", counter, df.f_files); |
336 |
|
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printf("packet.disk.p%d.attributes.freeinodes %lu\n",counter, df.f_ffree); |
337 |
tdb |
1.4 |
|
338 |
pajs |
1.8 |
counter++; |
339 |
|
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} |
340 |
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341 |
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342 |
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|
343 |
pajs |
1.1 |
} |
344 |
|
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|
345 |
tdb |
1.4 |
int main() { |
346 |
pajs |
1.1 |
getLoadAv(); |
347 |
|
|
getMemInfo(); |
348 |
|
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cpustats(); |
349 |
|
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processStats(); |
350 |
|
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uptimeStats(); |
351 |
|
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osStats(); |
352 |
|
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diskStats(); |
353 |
|
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fflush(stdout); |
354 |
|
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return 0; |
355 |
|
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} |