xCAT/confluent
2
0
Fork 0
mirror of https://github.com/xcat2/confluent.git synced 2025-01-27 19:37:57 +00:00
Code Issues Projects Releases Wiki Activity

Update to search multiple interfaces

Browse Source
This commit is contained in:
Jarrod Johnson 2019-03-06 16:48:37 -05:00
parent ce4f8c1837
commit 0cd94447f7
1 changed files with 15 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
misc/findconfluent.c
View File

@ -57,6 +57,9 @@ int add_macs(char* destination, int maxsize) {
}
int main(int argc, char* argv[]) {
struct ifaddrs *ifc, *ifa;
struct sockaddr_in6 *in6;
int ns;
struct sockaddr_in6 addr, dst;
char msg[1024];
@ -85,9 +88,18 @@ int main(int argc, char* argv[]) {
offset = strnlen(msg, 1024);
ns = socket(PF_INET6, SOCK_DGRAM, 0);
bind(ns, (const struct sockaddr *)&addr, sizeof(addr));
ifidx = 2;
setsockopt(ns, IPPROTO_IPV6, IPV6_MULTICAST_IF, &ifidx, sizeof(ifidx));
sendto(ns, msg, strlen(msg), 0, (const struct sockaddr *)&dst, sizeof(dst));
getifaddrs(&ifa);
for (ifc = ifa; ifc != NULL; ifc = ifc->ifa_next) {
if (ifc->ifa_addr->sa_family != PF_INET6) {
continue;
}
in6 = (struct sockaddr_in6 *)ifc->ifa_addr;
if (in6->sin6_scope_id == 0)
continue;
ifidx = in6->sin6_scope_id;
setsockopt(ns, IPPROTO_IPV6, IPV6_MULTICAST_IF, &ifidx, sizeof(ifidx));
sendto(ns, msg, strlen(msg), 0, (const struct sockaddr *)&dst, sizeof(dst));
}
recvfrom(ns, msg, 1024, 0, (struct sockaddr *)&dst, &dstsize);
inet_ntop(dst.sin6_family, &dst.sin6_addr, msg, dstsize);
printf(msg);