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ECHO a packet back to manager

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In a later phase, we will want assurances
that the neighbor table was populated.
Since here we have the sockaddr handy,
it makes a lot of sense to take the
opportunity to blind fire a packet back.
No reply is expected, just enough to
trigger arp/neighbor solicitation.
This commit is contained in:
Jarrod Johnson 2019-07-16 07:51:24 -04:00
parent 3789e43f35
commit b7b7fd82eb
1 changed files with 3 additions and 1 deletions
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4
misc/copernicus.c
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@ -162,10 +162,11 @@ int main(int argc, char* argv[]) {
strncpy(lastnodename, nodename, 1024);
}
}
memset(msg, 0, 1024);
memset(msg, 0, 1024);
inet_ntop(dst4.sin_family, &dst4.sin_addr, msg, dst4size);
/* Take measure from printing out the same ip twice in a row */
if (strncmp(lastmsg, msg, 1024) != 0) {
sendto(n4, "PING", 4, 0, (const struct sockaddr *)&dst4, dst4size);
printf("MANAGER: %s\n", msg);
strncpy(lastmsg, msg, 1024);
}
@ -187,6 +188,7 @@ int main(int argc, char* argv[]) {
memset(msg, 0, 1024);
inet_ntop(dst.sin6_family, &dst.sin6_addr, msg, dstsize);
if (strncmp(last6msg, msg, 1024) != 0) {
sendto(ns, "PING", 4, 0, (const struct sockaddr *)&dst, dstsize);
printf("MANAGER: %s", msg);
if (strncmp(msg, "fe80::", 6) == 0) {
printf("%%%u", dst.sin6_scope_id);