nagios4/contrib/nagios-worker.c

93 lines
1.7 KiB
C

#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libgen.h>
#include <unistd.h>
#include "../lib/snprintf.h"
#include "../lib/nsock.h"
#include "../lib/worker.h"
void usage(char *progname)
{
printf("Usage: %s [--name <worker_name>] <nagsock_path>\n", progname);
}
int main(int argc, char *argv[])
{
int sd, i, ret;
char *path = NULL, *name = NULL, *cmd = NULL, response[128];
if (argc < 2) {
usage(argv[0]);
return 1;
}
for (i = 1; i < argc; i++) {
char *opt, *arg = argv[i];
if (*arg != '-') {
if (!path) {
path = arg;
continue;
}
usage(argv[0]);
}
if (!strcmp(arg, "-h") || !strcmp(arg, "--help")) {
usage(argv[0]);
return 0;
}
if ((opt = strchr(arg, '='))) {
opt = '\0';
opt++;
}
else if (i < argc - 1) {
opt = argv[i + 1];
i++;
}
else {
usage(argv[0]);
return 1;
}
if (!strcmp(arg, "--name")) {
name = opt;
}
}
if (!path)
usage(argv[0]);
if (!name)
name = basename(argv[0]);
sd = nsock_unix(path, NSOCK_TCP | NSOCK_CONNECT);
if (sd < 0) {
printf("Couldn't open socket: %s\n", nsock_strerror(sd));
return 1;
}
nsock_printf_nul(sd, "@wproc register name=%s\n", name);
/*
* we read only 3 bytes here, as we don't want to read any
* commands from Nagios before we've entered the worker loop
*/
ret = read(sd, response, 3);
if (ret <= 0) {
printf("Failed to read response: %s\n", strerror(errno));
return 1;
}
if (ret == 3 && !memcmp(response, "OK", 3))
printf("Connected. Wahoo\n");
else {
ret = read(sd, response + 3, sizeof(response) - 3);
printf("Error: %s\n", response);
return 1;
}
enter_worker(sd, start_cmd);
return 0;
}