@Override public void checkForLostPackets() { if(pn == null) return; double averageRTT = averageRTT(); long curTime = System.currentTimeMillis(); SessionKey key = pn.getCurrentKeyTracker(); if(key != null) ((key.packetContext)).checkForLostPackets(averageRTT, curTime, pn); key = pn.getPreviousKeyTracker(); if(key != null) ((key.packetContext)).checkForLostPackets(averageRTT, curTime, pn); key = pn.getUnverifiedKeyTracker(); if(key != null) ((key.packetContext)).checkForLostPackets(averageRTT, curTime, pn); }
public void disconnected() { packetContext.disconnected(); } }
public void testEmptyCreation() throws BlockedTooLongException { NewPacketFormat npf = new NewPacketFormat(null, 0, 0); PeerMessageQueue pmq = new PeerMessageQueue(); SessionKey s = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1); NPFPacket p = npf.createPacket(1400, pmq, s, false); if(p != null) fail("Created packet from nothing"); }
AddedAcks moved = keyContext.addAcks(packet, maxPacketSize, now); if(moved != null && moved.anyUrgentAcks) { if(logDEBUG) Logger.debug(this, "Must send because urgent acks"); int seqNum = keyContext.allocateSequenceNumber(pn); if(seqNum == -1) return null; packet.setSequenceNumber(seqNum); keyContext.sent(sentPacket, seqNum, packet.getLength());
if(!keyContext.canAllocateSeqNum()) { if(maxPackets <= packets.countSentPackets()) { if(logDEBUG) Logger.debug(this, "Cannot send because "+packets.countSentPackets()+" in flight of limit "+maxPackets+" on "+this); return false;
keyContext.sent(packet.getSequenceNumber(), packet.getLength());
public void testResendAlreadyCompleted() throws BlockedTooLongException, InterruptedException { NullBasePeerNode senderNode = new NullBasePeerNode(); NewPacketFormat sender = new NewPacketFormat(senderNode, 0, 0); PeerMessageQueue senderQueue = new PeerMessageQueue(); NullBasePeerNode receiverNode = new NullBasePeerNode(); NewPacketFormat receiver = new NewPacketFormat(receiverNode, 0, 0); SessionKey senderKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1); SessionKey receiverKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1); senderQueue.queueAndEstimateSize(new MessageItem(new byte[128], null, false, null, (short) 0, false, false), 1024); Thread.sleep(PacketSender.MAX_COALESCING_DELAY*2); NPFPacket packet1 = sender.createPacket(512, senderQueue, senderKey, false); assertEquals(1, receiver.handleDecryptedPacket(packet1, receiverKey).size()); //Receiving the same packet twice should work assertEquals(0, receiver.handleDecryptedPacket(packet1, receiverKey).size()); //Same message, new sequence number ie. resend assertEquals(0, receiver.handleDecryptedPacket(packet1, receiverKey).size()); }
public void testAckOnlyCreation() throws BlockedTooLongException, InterruptedException { BasePeerNode pn = new NullBasePeerNode(); NewPacketFormat npf = new NewPacketFormat(pn, 0, 0); PeerMessageQueue pmq = new PeerMessageQueue(); SessionKey s = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1); NPFPacket p = null; //Packet that should be acked p = new NPFPacket(); p.addMessageFragment(new MessageFragment(true, false, true, 0, 8, 8, 0, new byte[] {(byte) 0x01, (byte) 0x23, (byte) 0x45, (byte) 0x67, (byte) 0x89, (byte) 0xAB, (byte) 0xCD, (byte) 0xEF }, null)); assertEquals(1, npf.handleDecryptedPacket(p, s).size()); Thread.sleep(NewPacketFormatKeyContext.MAX_ACK_DELAY*2); p = npf.createPacket(1400, pmq, s, false); assertEquals(1, p.getAcks().size()); }
public void testReceiveUnknownMessageLength() throws BlockedTooLongException { NullBasePeerNode senderNode = new NullBasePeerNode(); NewPacketFormat sender = new NewPacketFormat(senderNode, 0, 0); PeerMessageQueue senderQueue = new PeerMessageQueue(); NullBasePeerNode receiverNode = new NullBasePeerNode(); NewPacketFormat receiver = new NewPacketFormat(receiverNode, 0, 0); SessionKey senderKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1); SessionKey receiverKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1); senderQueue.queueAndEstimateSize(new MessageItem(new byte[1024], null, false, null, (short) 0, false, false), 1024); NPFPacket fragment1 = sender.createPacket(512, senderQueue, senderKey, false); assertEquals(1, fragment1.getFragments().size()); NPFPacket fragment2 = sender.createPacket(512, senderQueue, senderKey, false); assertEquals(1, fragment2.getFragments().size()); NPFPacket fragment3 = sender.createPacket(512, senderQueue, senderKey, false); assertEquals(1, fragment3.getFragments().size()); receiver.handleDecryptedPacket(fragment3, receiverKey); receiver.handleDecryptedPacket(fragment2, receiverKey); assertEquals(1, receiver.handleDecryptedPacket(fragment1, receiverKey).size()); }
public void testOutOfOrderDelivery() throws BlockedTooLongException { NullBasePeerNode senderNode = new NullBasePeerNode(); NewPacketFormat sender = new NewPacketFormat(senderNode, 0, 0); PeerMessageQueue senderQueue = new PeerMessageQueue(); NullBasePeerNode receiverNode = new NullBasePeerNode(); NewPacketFormat receiver = new NewPacketFormat(receiverNode, 0, 0); SessionKey senderKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1); SessionKey receiverKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1); senderQueue.queueAndEstimateSize(new MessageItem(new byte[1024], null, false, null, (short) 0, false, false), 1024); NPFPacket fragment1 = sender.createPacket(512, senderQueue, senderKey, false); assertEquals(1, fragment1.getFragments().size()); NPFPacket fragment2 = sender.createPacket(512, senderQueue, senderKey, false); assertEquals(1, fragment2.getFragments().size()); NPFPacket fragment3 = sender.createPacket(512, senderQueue, senderKey, false); assertEquals(1, fragment3.getFragments().size()); receiver.handleDecryptedPacket(fragment1, receiverKey); receiver.handleDecryptedPacket(fragment3, receiverKey); assertEquals(1, receiver.handleDecryptedPacket(fragment2, receiverKey).size()); }
SessionKey senderKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1); SessionKey receiverKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1);
public void testLoadStatsLowLevel() throws BlockedTooLongException, InterruptedException { final byte[] loadMessage = new byte[] { (byte)0xFF, (byte)0xEE, (byte)0xDD, (byte)0xCC, (byte)0xBB, (byte)0xAA}; final SessionKey senderKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1); NullBasePeerNode senderNode = new NullBasePeerNode() { @Override public MessageItem makeLoadStats(boolean realtime, boolean highPriority, boolean noRemember) { return new MessageItem(loadMessage, null, false, null, (short) 0, false, false); } @Override public SessionKey getCurrentKeyTracker() { return senderKey; } }; NewPacketFormat sender = new NewPacketFormat(senderNode, 0, 0); PeerMessageQueue senderQueue = new PeerMessageQueue(); senderQueue.queueAndEstimateSize(new MessageItem(new byte[128], null, false, null, (short) 0, false, true), 1024); Thread.sleep(PacketSender.MAX_COALESCING_DELAY*2); NPFPacket packet1 = sender.createPacket(512, senderQueue, senderKey, false); assertTrue(packet1 != null); assertEquals(1, packet1.getFragments().size()); assertEquals(1, packet1.getLossyMessages().size()); NPFPacketTest.checkEquals(loadMessage, packet1.getLossyMessages().get(0)); // Don't decode the packet because it's not a real message. }
public void testLoadStatsSendWhenPeerWants() throws BlockedTooLongException, InterruptedException { final Message loadMessage = DMT.createFNPVoid(); final MutableBoolean gotMessage = new MutableBoolean(); final SessionKey senderKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1); NullBasePeerNode senderNode = new NullBasePeerNode() { SessionKey receiverKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1);
new NewPacketFormatKeyContext(senderStartSeq, receiverStartSeq); new NewPacketFormatKeyContext(receiverStartSeq, senderStartSeq);
NewPacketFormat receiver = new NewPacketFormat(receiverNode, 0, 0); PeerMessageQueue receiverQueue = new PeerMessageQueue(); SessionKey senderKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1); senderNode.currentKey = senderKey; SessionKey receiverKey = new SessionKey(null, null, null, null, null, null, null, null, new NewPacketFormatKeyContext(0, 0), 1);
newTracker = new SessionKey(this, outgoingCipher, outgoingKey, incommingCipher, incommingKey, ivCipher, ivNonce, hmacKey, new NewPacketFormatKeyContext(ourInitialSeqNum, theirInitialSeqNum), trackerID); if(logMINOR) Logger.minor(this, "New key tracker in completedHandshake: "+newTracker+" for "+shortToString()+" neg type "+negType); if(unverified) {