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Always keep UDP mappings alive for nodes that also have a meta-connection.

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This is necessary for assisting with UDP hole punching. But we don't
need to know the PMTU for this, so only send UDP probes.
This commit is contained in:
Guus Sliepen 2015-01-11 13:31:01 +01:00
parent 545ecb3396
commit eb7a0db18e
3 changed files with 19 additions and 7 deletions
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2
src/net.c
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@ -154,6 +154,7 @@ static void timeout_handler(void *data) {
if(c->last_ping_time + pingtimeout <= now.tv_sec) {
if(c->edge) {
try_tx(c->node, false);
if(c->status.pinged) {
logger(DEBUG_CONNECTIONS, LOG_INFO, "%s (%s) didn't respond to PING in %ld seconds", c->name, c->hostname, (long)now.tv_sec - c->last_ping_time);
} else if(c->last_ping_time + pinginterval <= now.tv_sec) {
@ -170,6 +171,7 @@ static void timeout_handler(void *data) {
}
terminate_connection(c, c->edge);
}
}
timeout_set(data, &(struct timeval){pingtimeout, rand() % 100000});