/*
* collectd plugin API and helper functions
*/
static int cipvs_init(void) {
struct ip_vs_getinfo ipvs_info;
if ((sockfd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) == -1) {
log_err("cipvs_init: socket() failed: %s", STRERRNO);
return -1;
}
socklen_t len = sizeof(ipvs_info);
if (getsockopt(sockfd, IPPROTO_IP, IP_VS_SO_GET_INFO, &ipvs_info, &len) ==
-1) {
log_err("cipvs_init: getsockopt() failed: %s", STRERRNO);
close(sockfd);
sockfd = -1;
return -1;
}
/* we need IPVS >= 1.1.4 */
if (ipvs_info.version < ((1 << 16) + (1 << 8) + 4)) {
log_err("cipvs_init: IPVS version too old (%d.%d.%d < %d.%d.%d)",
NVERSION(ipvs_info.version), 1, 1, 4);
close(sockfd);
sockfd = -1;
return -1;
} else {
log_info("Successfully connected to IPVS %d.%d.%d",
NVERSION(ipvs_info.version));
}
return 0;
} /* cipvs_init */
/*
* collectd plugin API and helper functions
*/
static int cipvs_init (void)
{
struct ip_vs_getinfo ipvs_info;
socklen_t len;
if (-1 == (sockfd = socket (AF_INET, SOCK_RAW, IPPROTO_RAW))) {
char errbuf[1024];
log_err ("cipvs_init: socket() failed: %s",
sstrerror (errno, errbuf, sizeof (errbuf)));
return -1;
}
len = sizeof (ipvs_info);
if (0 != getsockopt (sockfd, IPPROTO_IP, IP_VS_SO_GET_INFO,
(void *)&ipvs_info, &len)) {
char errbuf[1024];
log_err ("cipvs_init: getsockopt() failed: %s",
sstrerror (errno, errbuf, sizeof (errbuf)));
close (sockfd);
sockfd = -1;
return -1;
}
/* we need IPVS >= 1.1.4 */
if (ipvs_info.version < ((1 << 16) + (1 << 8) + 4)) {
log_err ("cipvs_init: IPVS version too old (%d.%d.%d < %d.%d.%d)",
NVERSION (ipvs_info.version), 1, 1, 4);
close (sockfd);
sockfd = -1;
return -1;
}
else {
log_info ("Successfully connected to IPVS %d.%d.%d",
NVERSION (ipvs_info.version));
}
return 0;
} /* cipvs_init */