public void LookupLeaseSet(I2PIdentHash ident)
{
var newitem = new IdentUpdateRequestInfo(ident, DatabaseLookupMessage.LookupTypes.LeaseSet);
lock ( OutstandingQueries )
{
DebugUtils.Log(string.Format("IdentResolver: Starting lookup of LeaseSet for {0}.", ident.Id32Short));
OutstandingQueries[ident] = newitem;
}
SendLSDatabaseLookup(ident, newitem);
}
public void LookupRouterInfo(I2PIdentHash ident)
{
var newitem = new IdentUpdateRequestInfo(ident, DatabaseLookupMessage.LookupTypes.RouterInfo);
lock ( OutstandingQueries )
{
#if LOG_ALL_IDENT_LOOKUPS
Logging.Log($"IdentResolver: Starting lookup of RouterInfo for {ident.Id32Short}.");
#endif
OutstandingQueries[ident] = newitem;
}
SendRIDatabaseLookup(ident, newitem);
}
private void SendRIDatabaseLookup(I2PIdentHash ident, IdentUpdateRequestInfo info)
{
var ff = NetDb.Inst.GetClosestFloodfill(
ident,
10 + 3 * info.Retries,
info.AlreadyQueried,
false);
if (!ff.Any())
{
Logging.Log($"IdentResolver: failed to find a floodfill router to lookup ({ident}): ");
return;
}
ff.Shuffle();
ff = ff.Take(DatabaseLookupSelectFloodfillCount).ToArray();
foreach (var oneff in ff)
{
try
{
var msg = new DatabaseLookupMessage(
ident,
RouterContext.Inst.MyRouterIdentity.IdentHash,
DatabaseLookupMessage.LookupTypes.RouterInfo);
TransportProvider.Send(oneff, msg);
#if LOG_ALL_IDENT_LOOKUPS
Logging.Log($"IdentResolver: RouterInfo query {msg.Key.Id32Short} sent to {oneff.Id32Short}");
#endif
}
catch (Exception ex)
{
Logging.Log("SendRIDatabaseLookup", ex);
}
}
foreach (var f in ff)
{
info.AlreadyQueried.Add(f);
}
}
private void SendRIDatabaseLookup(I2PIdentHash ident, IdentUpdateRequestInfo info)
{
var ff = NetDb.Inst.GetClosestFloodfill(ident, 10, info.AlreadyQueried, false).ToArray();
if (ff == null || ff.Length == 0)
{
DebugUtils.Log("IdentResolver: failed to find a floodfill router to lookup (" + ident.ToString() + "): ");
return;
}
ff.Shuffle();
ff = ff.Take(DatabaseLookupSelectFloodfillCount).ToArray();
foreach (var oneff in ff)
{
try
{
var msg = new DatabaseLookupMessage(
ident,
RouterContext.Inst.MyRouterIdentity.IdentHash,
DatabaseLookupMessage.LookupTypes.RouterInfo);
TransportProvider.Send(oneff, msg);
#if LOG_ALL_IDENT_LOOKUPS
DebugUtils.Log("IdentResolver: RouterInfo query " + msg.Key.Id32Short + " sent to " + oneff.Id32Short);
#endif
}
catch (Exception ex)
{
DebugUtils.Log("SendRIDatabaseLookup", ex);
}
}
lock (info.AlreadyQueried)
{
info.AlreadyQueried.AddRange(ff);
}
}
private void SendLSDatabaseLookup(I2PIdentHash ident, IdentUpdateRequestInfo info)
{
var outtunnel = TunnelProvider.Inst.GetEstablishedOutboundTunnel(true);
var replytunnel = TunnelProvider.Inst.GetInboundTunnel(true);
if (outtunnel is null || replytunnel is null)
{
Logging.LogDebug($"SendLSDatabaseLookup: " +
$"outtunnel: {outtunnel}, replytunnel: {replytunnel}");
return;
}
var getnext = DateTime.UtcNow.Hour >= 23;
var ff = NetDb.Inst.GetClosestFloodfill(
ident,
DatabaseLookupSelectFloodfillCount + 2 * info.Retries,
info.AlreadyQueried,
getnext)
.Select(r => new { Id = r, NetDb.Inst.Statistics[r].Score });
#if LOG_ALL_IDENT_LOOKUPS
StringBuilder foundrouters = new StringBuilder();
StringBuilder foundrouterskeys = new StringBuilder();
foreach (var router in ff)
{
foundrouters.AppendFormat("{0}{1}{2}", (foundrouters.Length != 0 ? ", " : ""),
router.Id32Short,
FreenetBase64.Encode(router.Hash));
foundrouterskeys.AppendFormat("{0}{1}{2}", (foundrouterskeys.Length != 0 ? ", " : ""),
router.Id32Short,
FreenetBase64.Encode(router.RoutingKey.Hash));
}
var st = foundrouters.ToString();
var st2 = foundrouterskeys.ToString();
#endif
if (!ff.Any())
{
Logging.Log($"IdentResolver failed to find a floodfill router to lookup ({ident}): ");
return;
}
var minscore = ff.Min(r => r.Score);
for (int i = 0; i < DatabaseLookupSelectFloodfillCount; ++i)
{
var oneff = ff
.RandomWeighted(r => r.Score - minscore + 0.1)
.Id;
try
{
var msg = new DatabaseLookupMessage(
ident,
replytunnel.Destination, replytunnel.GatewayTunnelId,
DatabaseLookupMessage.LookupTypes.LeaseSet, null);
outtunnel.Send(new TunnelMessageRouter(msg, oneff));
info.AlreadyQueried.Add(oneff);
#if !LOG_ALL_IDENT_LOOKUPS
Logging.Log($"IdentResolver: LeaseSet query {msg.Key.Id32Short} " +
$"sent to {oneff.Id32Short}. Dist: {oneff ^ msg.Key.RoutingKey}");
#endif
}
catch (Exception ex)
{
Logging.Log("SendLSDatabaseLookup", ex);
}
}
}
private void SendLSDatabaseLookup(I2PIdentHash ident, IdentUpdateRequestInfo info)
{
/*
* var replytunnel = TunnelProvider.Inst.GetInboundTunnel();
* if ( replytunnel == null ) return;
*/
var ff = NetDb.Inst.GetClosestFloodfill(ident, DatabaseLookupSelectFloodfillCount * 2, info.AlreadyQueried, false).ToArray();
#if LOG_ALL_IDENT_LOOKUPS
StringBuilder foundrouters = new StringBuilder();
StringBuilder foundrouterskeys = new StringBuilder();
foreach (var router in ff)
{
foundrouters.AppendFormat("{0}{1}{2}", (foundrouters.Length != 0 ? ", " : ""),
router.Id32Short,
FreenetBase64.Encode(router.Hash));
foundrouterskeys.AppendFormat("{0}{1}{2}", (foundrouterskeys.Length != 0 ? ", " : ""),
router.Id32Short,
FreenetBase64.Encode(router.RoutingKey.Hash));
}
var st = foundrouters.ToString();
var st2 = foundrouterskeys.ToString();
#endif
if (ff == null || ff.Length == 0)
{
DebugUtils.Log("IdentResolver failed to find a floodfill router to lookup (" + ident.ToString() + "): ");
return;
}
ff.Shuffle();
ff = ff.Take(DatabaseLookupSelectFloodfillCount).ToArray();
foreach (var oneff in ff)
{
try
{
var msg = new DatabaseLookupMessage(
ident,
RouterContext.Inst.MyRouterIdentity.IdentHash,
DatabaseLookupMessage.LookupTypes.LeaseSet);
/*
* var msg = new DatabaseLookupMessage(
* ident,
* replytunnel.Destination, replytunnel.GatewayTunnelId,
* DatabaseLookupMessage.LookupTypes.LeaseSet, null );
*/
//TunnelProvider.Inst.SendEncrypted( oneff.Identity, false, msg );
TransportProvider.Send(oneff, msg);
#if LOG_ALL_IDENT_LOOKUPS
DebugUtils.Log(string.Format("IdentResolver: LeaseSet query {0} sent to {1}. Dist: {2}",
msg.Key.Id32Short,
oneff.Id32Short,
oneff ^ msg.Key.RoutingKey));
#endif
}
catch (Exception ex)
{
DebugUtils.Log("SendLSDatabaseLookup", ex);
}
}
lock (info.AlreadyQueried)
{
info.AlreadyQueried.AddRange(ff);
}
}
