protected void closeTunnel(PairManagerTunnel tunnel) {
System.out.println("Destroyed pair manager tunnel: " + tunnel.getString());
synchronized (tunnels) {
tunnels.remove(tunnel.getKey());
}
}
protected void generateEvidence(IndentWriter writer) {
writer.println("Tunnel Handler");
writer.indent();
writer.println("started=" + started + ", active=" + active);
if (init_fail != null) {
writer.println("Init fail: " + init_fail);
}
long now = SystemTime.getMonotonousTime();
writer.println("total local=" + total_local_servers);
writer.println(
"last local create="
+ (last_local_server_create_time == 0
? "<never>"
: String.valueOf(now - last_local_server_create_time)));
writer.println(
"last local agree="
+ (last_local_server_agree_time == 0
? "<never>"
: String.valueOf(now - last_local_server_agree_time)));
writer.println("total remote=" + total_servers);
writer.println(
"last remote create="
+ (last_server_create_time == 0
? "<never>"
: String.valueOf(now - last_server_create_time)));
writer.println(
"last remote agree="
+ (last_server_agree_time == 0
? "<never>"
: String.valueOf(now - last_server_agree_time)));
synchronized (tunnels) {
writer.println("tunnels=" + tunnels.size());
for (PairManagerTunnel tunnel : tunnels.values()) {
writer.println(" " + tunnel.getString());
}
}
try {
writer.println("IPv4 punchers: " + nat_punchers_ipv4.size());
for (DHTNATPuncher p : nat_punchers_ipv4) {
writer.println(" " + p.getStats());
}
writer.println("IPv6 punchers: " + nat_punchers_ipv6.size());
for (DHTNATPuncher p : nat_punchers_ipv6) {
writer.println(" " + p.getStats());
}
} finally {
writer.exdent();
}
}
private boolean createTunnel(
InetAddress originator,
long session,
String sid,
SecretKeySpec secret,
String tunnel_url,
String endpoint_url) {
PairedServiceImpl ps = manager.getService(sid);
if (ps == null) {
Debug.out("Service '" + sid + "' not registered");
return (false);
}
PairedServiceRequestHandler handler = ps.getHandler();
if (handler == null) {
Debug.out("Service '" + sid + "' has no handler registered");
return (false);
}
String key = originator.getHostAddress() + ":" + session + ":" + sid;
synchronized (tunnels) {
PairManagerTunnel existing = tunnels.get(key);
if (existing != null) {
return (true);
}
if (tunnels.size() > MAX_TUNNELS) {
long oldest_active = Long.MAX_VALUE;
PairManagerTunnel oldest_tunnel = null;
for (PairManagerTunnel t : tunnels.values()) {
long at = t.getLastActive();
if (at < oldest_active) {
oldest_active = at;
oldest_tunnel = t;
}
}
oldest_tunnel.destroy();
tunnels.remove(oldest_tunnel.getKey());
}
PairManagerTunnel tunnel =
new PairManagerTunnel(
this, key, originator, sid, handler, secret, tunnel_url, endpoint_url);
tunnels.put(key, tunnel);
System.out.println("Created pair manager tunnel: " + tunnel.getString());
}
return (true);
}