int process_ping(Header *header, ChordPacketArgs *args, Ping *msg, Node *from)
{
ChordServer *srv = args->srv;
int fnew;
Finger *pred;
if (IN6_IS_ADDR_UNSPECIFIED(&srv->node.addr))
return CHORD_ADDR_UNDISCOVERED;
LOG_PROCESS(&from->id, &from->addr, from->port);
insert_finger(srv, &from->id, &from->addr, from->port, &fnew);
if (fnew)
Debug("Inserted a new possible finger");
pred = pred_finger(srv);
if (fnew && (pred == NULL || (pred != NULL && id_is_between(&from->id, &pred->node.id, &srv->node.id)))) {
if (pred == NULL)
Debug("We have no predecessor, and this is a possible new finger, so we ping it");
else
Debug("This possible new finger falls between our current predecessor and ourselves, so we ping it");
send_ping(srv, &from->addr, from->port, get_current_time());
}
Debug("Replying to the ping with a pong");
send_pong(srv, msg->ticket.data, msg->ticket.len, &from->addr, from->port, msg->time);
return CHORD_NO_ERROR;
}
bool ping_h(connection_t *c) {
return send_pong(c);
}
bool WebsocketServlet_impl::on_ping(const char *buf, unsigned long long len)
{
return send_pong();
}
void p2p_ping(BEN * tid, IP * from)
{
send_pong(from, ben_str_s(tid), ben_str_i(tid));
}
