/** Send a search to the given peer */
protected void sendSearch(RouterInfo router) {
if (router.getIdentity().equals(getContext().router().getRouterInfo().getIdentity())) {
// don't search ourselves
if (_log.shouldLog(Log.ERROR))
_log.error(getJobId() + ": Dont send search to ourselves - why did we try?");
return;
} else {
if (_log.shouldLog(Log.INFO))
_log.info(
getJobId()
+ ": Send search to "
+ router.getIdentity().getHash().toBase64()
+ " for "
+ _state.getTarget().toBase64()
+ " w/ timeout "
+ getPerPeerTimeoutMs(router.getIdentity().calculateHash()));
}
getContext().statManager().addRateData("netDb.searchMessageCount", 1, 0);
// if (_isLease || true) // always send searches out tunnels
sendLeaseSearch(router);
// else
// sendRouterSearch(router);
}
/**
* Allow the choice as to whether failed searches should count against the peer (such as if we
* search for a random key)
*/
public FailedJob(RouterContext enclosingContext, RouterInfo peer, boolean penalizePeer) {
super(enclosingContext);
_penalizePeer = penalizePeer;
_peer = peer.getIdentity().getHash();
_sentOn = enclosingContext.clock().now();
_isFloodfill = FloodfillNetworkDatabaseFacade.isFloodfill(peer);
}
@Override
public String toString() {
StringBuilder buf = new StringBuilder(256);
buf.append("[OutNetMessage containing ");
if (_message == null) {
buf.append("*no message*");
} else {
buf.append("a ").append(_messageSize).append(" byte ");
buf.append(getMessageType());
}
buf.append(" expiring on ").append(new Date(_expiration));
if (_failedTransports != null)
buf.append(" failed delivery on transports ").append(_failedTransports);
if (_target == null) buf.append(" targetting no one in particular...");
else buf.append(" targetting ").append(_target.getIdentity().getHash().toBase64());
if (_onReply != null) buf.append(" with onReply job: ").append(_onReply);
if (_onSend != null) buf.append(" with onSend job: ").append(_onSend);
if (_onFailedReply != null) buf.append(" with onFailedReply job: ").append(_onFailedReply);
if (_onFailedSend != null) buf.append(" with onFailedSend job: ").append(_onFailedSend);
if (_timestamps != null && _timestampOrder != null && _log.shouldLog(Log.INFO)) {
buf.append(" {timestamps: \n");
renderTimestamps(buf);
buf.append("}");
}
buf.append("]");
return buf.toString();
}
/**
* we're (probably) searching for a LeaseSet, so to be (overly) cautious, we're sending the
* request out through a tunnel w/ reply back through another tunnel.
*/
protected void sendLeaseSearch(RouterInfo router) {
Hash to = router.getIdentity().getHash();
TunnelInfo inTunnel = getContext().tunnelManager().selectInboundExploratoryTunnel(to);
if (inTunnel == null) {
_log.warn("No tunnels to get search replies through! wtf!");
getContext().jobQueue().addJob(new FailedJob(getContext(), router));
return;
}
TunnelId inTunnelId = inTunnel.getReceiveTunnelId(0);
// this will fail if we've shitlisted our inbound gateway, but the gw may not necessarily
// be shitlisted by whomever needs to contact them, so we don't need to check this
// RouterInfo inGateway = getContext().netDb().lookupRouterInfoLocally(inTunnel.getPeer(0));
// if (inGateway == null) {
// _log.error("We can't find the gateway to our inbound tunnel?! wtf");
// getContext().jobQueue().addJob(new FailedJob(getContext(), router));
// return;
// }
int timeout = getPerPeerTimeoutMs(to);
long expiration = getContext().clock().now() + timeout;
DatabaseLookupMessage msg = buildMessage(inTunnelId, inTunnel.getPeer(0), expiration);
TunnelInfo outTunnel = getContext().tunnelManager().selectOutboundExploratoryTunnel(to);
if (outTunnel == null) {
_log.warn("No tunnels to send search out through! wtf!");
getContext().jobQueue().addJob(new FailedJob(getContext(), router));
return;
}
TunnelId outTunnelId = outTunnel.getSendTunnelId(0);
if (_log.shouldLog(Log.DEBUG))
_log.debug(
getJobId()
+ ": Sending search to "
+ to
+ " for "
+ msg.getSearchKey().toBase64()
+ " w/ replies through ["
+ msg.getFrom().toBase64()
+ "] via tunnel ["
+ msg.getReplyTunnel()
+ "]");
SearchMessageSelector sel =
new SearchMessageSelector(getContext(), router, _expiration, _state);
SearchUpdateReplyFoundJob reply =
new SearchUpdateReplyFoundJob(
getContext(), router, _state, _facade, this, outTunnel, inTunnel);
if (FloodfillNetworkDatabaseFacade.isFloodfill(router)) _floodfillSearchesOutstanding++;
getContext()
.messageRegistry()
.registerPending(sel, reply, new FailedJob(getContext(), router), timeout);
getContext().tunnelDispatcher().dispatchOutbound(msg, outTunnelId, to);
}
/**
* Send our RI to the closest floodfill.
*
* @throws IllegalArgumentException if the local router info is invalid
*/
@Override
public void publish(RouterInfo localRouterInfo) throws IllegalArgumentException {
if (localRouterInfo == null) throw new IllegalArgumentException("wtf, null localRouterInfo?");
// should this be after super? why not publish locally?
if (_context.router().isHidden()) return; // DE-nied!
super.publish(localRouterInfo);
// wait until we've read in the RI's so we can find the closest floodfill
if (!isInitialized()) return;
// no use sending if we have no addresses
// (unless maybe we used to have addresses? not worth it
if (localRouterInfo.getAddresses().isEmpty()) return;
_log.info("Publishing our RI");
// Don't delay, helps IB tunnel builds
// if (_context.router().getUptime() > PUBLISH_JOB_DELAY)
sendStore(
localRouterInfo.getIdentity().calculateHash(),
localRouterInfo,
null,
null,
PUBLISH_TIMEOUT,
null);
}
/**
* Resend the leaseSet to the peer who had previously failed to provide us with the data when we
* asked them.
*/
private boolean resend(RouterInfo toPeer, LeaseSet ls) {
Hash to = toPeer.getIdentity().getHash();
DatabaseStoreMessage msg = new DatabaseStoreMessage(getContext());
msg.setEntry(ls);
msg.setMessageExpiration(getContext().clock().now() + RESEND_TIMEOUT);
TunnelInfo outTunnel = getContext().tunnelManager().selectOutboundExploratoryTunnel(to);
if (outTunnel != null) {
TunnelId targetTunnelId = null; // not needed
Job onSend = null; // not wanted
if (_log.shouldLog(Log.DEBUG))
_log.debug("resending leaseSet out to " + to + " through " + outTunnel + ": " + msg);
getContext().tunnelDispatcher().dispatchOutbound(msg, outTunnel.getSendTunnelId(0), null, to);
return true;
} else {
if (_log.shouldLog(Log.WARN))
_log.warn("unable to resend a leaseSet - no outbound exploratory tunnels!");
return false;
}
}
/**
* Convenience method for getting the router hash. Equivalent to
* context.router().getRouterInfo().getIdentity().getHash()
*
* @return may be null if called very early
*/
public Hash routerHash() {
if (_router == null) return null;
RouterInfo ri = _router.getRouterInfo();
if (ri == null) return null;
return ri.getIdentity().getHash();
}
