1 /**
2 * Cmon (c'mon) is a simple system resource monitor
3 * Copyright (C) 2022 Aaron Ball <nullspoon@oper.io>
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <https://www.gnu.org/licenses/>.
17 */
18 #include "status.h"
19
20 struct status* status_init() {
21 struct status* s = malloc(sizeof(struct status));
22 int status = 0;
23
24 s->memmax = 0;
25 s->memavg = 0;
26 s->loadavg = 0;
27 s->loadmax = 0;
28 s->nettx = 0;
29 s->netrx = 0;
30 s->count = 0;
31 s->uptime = 0;
32
33 FILE* fd = fopen("/tmp/cmon.status", "r");
34 if(fd) {
35 status += fscanf(fd, "memmax:%ld\n", &s->memmax);
36 status += fscanf(fd, "memavg:%ld\n", &s->memavg);
37 status += fscanf(fd, "loadmax:%lf\n", &s->loadmax);
38 status += fscanf(fd, "loadavg:%lf\n", &s->loadavg);
39 status += fscanf(fd, "nprocs:%d\n", &s->nprocs);
40 status += fscanf(fd, "nettx:%lld\n", &s->nettx);
41 status += fscanf(fd, "netrx:%lld\n", &s->netrx);
42 status += fscanf(fd, "uptime:%ld\n", &s->uptime);
43 status += fscanf(fd, "count:%ld\n", &s->count);
44 if(status != 9) {
45 fprintf(stderr, "ERROR reading status file\n");
46 return NULL;
47 }
48 fclose(fd);
49 }
50 return s;
51 }
52
53 int status_write(struct status* s) {
54 FILE* fd = fopen("/tmp/cmon.status", "w");
55
56 fprintf(fd, "memmax:%ld\n", s->memmax);
57 fprintf(fd, "memavg:%ld\n", s->memavg);
58 fprintf(fd, "loadmax:%lf\n", s->loadmax);
59 fprintf(fd, "loadavg:%lf\n", s->loadavg);
60 fprintf(fd, "nprocs:%d\n", s->nprocs);
61 fprintf(fd, "nettx:%lld\n", s->nettx);
62 fprintf(fd, "netrx:%lld\n", s->netrx);
63 fprintf(fd, "uptime:%ld\n", s->uptime);
64 fprintf(fd, "count:%ld\n", s->count);
65
66 fclose(fd);
67 return 1;
68 }
69
70 void status_free(struct status* s) {
71 free(s);
72 }
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