internal void Run()
{
Resend.Do(() =>
{
try
{
List <KeyValuePair <II2NPHeader16, GarlicCreationInfo> > tosend = new List <KeyValuePair <II2NPHeader16, GarlicCreationInfo> >();
lock ( Window )
{
var resend = Window.Where(gci => gci.Value.LastSend.DeltaToNow > GarlicTimeBetweenResends);
if (WaitingForEGAck != null && WaitingForEGAck.DeltaToNow > GarlicTimeBetweenResends)
{
DebugUtils.LogDebug("TagsTransferWindow: Run: ElGamal message needs to be resent. Starting over.");
Session.Reset();
}
foreach (var one in resend.ToArray())
{
var egmsg = Session.Encrypt(true, one.Value.TrackingId, one.Value.Cloves);
var npmsg = new GarlicMessage(egmsg.Garlic).GetHeader16(I2NPHeader.GenerateMessageId());
one.Value.LastSend.SetNow();
tosend.Add(new KeyValuePair <II2NPHeader16, GarlicCreationInfo>(npmsg, egmsg));
if (WaitingForEGAck == null && !one.Value.AckMessageId.HasValue)
{
// Non explicit ack cloves that should not be retransmitted any more.
Window.Remove(one.Key);
}
}
}
foreach (var pair in tosend)
{
DebugUtils.LogDebug(string.Format("TagsTransferWindow: Resend: ({0}) TrackingId: {1}, Ack MessageId: {2}.",
pair.Value.KeyType, pair.Value.TrackingId, pair.Value.AckMessageId));
if (pair.Value.AckMessageId.HasValue)
{
lock ( OutstandingMessageIds )
{
OutstandingMessageIds[pair.Value.AckMessageId.Value] = pair.Value;
}
}
TunnelSelector(Session.LatestRemoteLeaseSet, pair.Key, pair.Value);
}
}
catch (Exception ex)
{
Session.Reset();
DebugUtils.Log("TagsTransferWindow Run", ex);
}
});
}
void InboundTunnel_DeliveryStatusReceived(DeliveryStatusMessage dstatus)
{
var probe = OutstandingProbeIds[dstatus.MessageId];
if (probe == null)
{
return;
}
var run = OutstandingTests[probe.Tunnel];
if (run == null)
{
return;
}
var testms = (DateTime.UtcNow - (DateTime)dstatus.Timestamp).TotalMilliseconds;
var limit = PassTestTimePerHop.ToMilliseconds * probe.TotalHops;
var pass = testms < limit;
DebugUtils.LogDebug(string.Format("TunnelTester: DeliveryStatus received. Test with {0} and {1}: {2}. {3:0} vs {4} ms",
run.TunnelUnderTest.TunnelDebugTrace, probe.Partner.TunnelDebugTrace,
(pass ? "Success" : "Fail"),
testms, limit));
var delta = TickSpan.Milliseconds((int)testms);
if (probe.Tunnel.MinLatencyMeasured == null || probe.Tunnel.MinLatencyMeasured > delta)
{
probe.Tunnel.MinLatencyMeasured = delta;
}
if (probe.Partner.MinLatencyMeasured == null || probe.Partner.MinLatencyMeasured > delta)
{
probe.Partner.MinLatencyMeasured = delta;
}
lock ( ExternalEventSync )
{
if (pass)
{
run.SuccessPartners.Add(probe.Partner);
}
else
{
run.FailurePartners.Add(probe.Partner);
}
run.OutstandingProbes.Remove(probe);
OutstandingProbeIds.Remove(probe.MessageId);
HandleTunnelTestResult(run);
}
}
void DeliveryStatusReceived(DeliveryStatusMessage dsmsg)
{
GarlicCreationInfo info;
lock ( OutstandingMessageIds )
{
info = OutstandingMessageIds[dsmsg.MessageId];
if (info == null)
{
/*
* DebugUtils.LogDebug( string.Format( "TagsTransferWindow: DeliveryStatusReceived: Non matching status message MsgId: {0}.",
* dsmsg.MessageId ) );
*/
return;
}
OutstandingMessageIds.Remove(dsmsg.MessageId);
}
lock ( Window )
{
Window.Remove(info.TrackingId);
}
DebugUtils.LogDebug(string.Format("TagsTransferWindow: DeliveryStatusReceived: Received ACK MsgId: {0} TrackingId: {1}. {2}",
dsmsg.MessageId, info.TrackingId, info.Created.DeltaToNow));
if (WaitingForEGAck != null && info.KeyType == GarlicCreationInfo.KeyUsed.ElGamal && dsmsg.MessageId == LatestEGMessage.AckMessageId)
{
WaitingForEGAck = null;
// Aes messages sent after this can be decrypted, hopefully.
// Send them one more time.
/*
* lock ( OutstandingMessageIds )
* {
* var remove = OutstandingMessageIds.Where( gci => gci.Value.KeyType == GarlicCreationInfo.KeyUsed.Aes &&
* !gci.Value.AckMessageId.HasValue && gci.Value.EGAckMessageId == dsmsg.MessageId );
* foreach ( var one in remove.ToArray() )
* {
* OutstandingMessageIds.Remove( one.Key );
* }
* }
*
* lock ( Window )
* {
* var remove = Window.Where( gci => gci.Value.KeyType == GarlicCreationInfo.KeyUsed.Aes &&
* !gci.Value.AckMessageId.HasValue && gci.Value.EGAckMessageId == dsmsg.MessageId );
* foreach ( var one in remove.ToArray() )
* {
* Window.Remove( one.Key );
* }
* }
*/
}
MessageAckEvent(info);
}