void StartNewUpdatesRouterInfo()
{
var list = GetNewFFList(
RouterContext.Inst.MyRouterIdentity.IdentHash,
4);
foreach (var ff in list)
{
try
{
var token = BufUtils.RandomUint() | 1;
Logging.Log(string.Format("FloodfillUpdater: {0}, RI, token: {1,10}, dist: {2}.",
ff.Id32Short, token,
ff ^ RouterContext.Inst.MyRouterIdentity.IdentHash.RoutingKey));
OutstandingRequests[token] = new FFUpdateRequestInfo(
ff,
token,
RouterContext.Inst.MyRouterIdentity.IdentHash);
SendUpdate(ff, token);
}
catch (Exception ex)
{
Logging.Log(ex);
}
}
}
private void SendUpdate(I2PIdentHash ff, uint token)
{
// If greater than zero, a DeliveryStatusMessage
// is requested with the Message ID set to the value of the Reply Token.
// A floodfill router is also expected to flood the data to the closest floodfill peers
// if the token is greater than zero.
// https://geti2p.net/spec/i2np#databasestore
var ds = new DatabaseStoreMessage(RouterContext.Inst.MyRouterInfo,
token, RouterContext.Inst.MyRouterInfo.Identity.IdentHash, 0);
lock ( OutstandingRequests )
{
OutstandingRequests[token] = new FFUpdateRequestInfo(ff);
}
TransportProvider.Send(ff, ds);
}
void StartNewUpdatesLeaseSet(I2PLeaseSet ls)
{
// old lease sets are out of date
while (OutstandingRequests.TryRemove(
OutstandingRequests.Where(r => r.Value?.LeaseSet == ls)
.Select(r => r.Key)
.FirstOrDefault(),
out var _))
{
}
var list = GetNewFFList(
ls.Destination.IdentHash,
2);
var destinations = list.Select(i => NetDb.Inst[i]);
foreach (var ff in destinations)
{
try
{
var ffident = ff.Identity.IdentHash;
var token = BufUtils.RandomUint() | 1;
Logging.Log($"FloodfillUpdater: New LS update started for " +
$"{ls.Destination.IdentHash.Id32Short}, {ls.Leases.Count()} leases " +
$"update {ffident.Id32Short}, token {token,10}, " +
$"dist: {ffident ^ ls.Destination.IdentHash.RoutingKey}.");
OutstandingRequests[token] = new FFUpdateRequestInfo(ffident, token, ls, 0);
SendLeaseSetUpdateGarlic(ffident, ff.Identity.PublicKey, ls, token);
}
catch (Exception ex)
{
Logging.Log(ex);
}
}
}
private void TimeoutRegenerateLSUpdate(IEnumerable <FFUpdateRequestInfo> lsets)
{
foreach (var lsinfo in lsets)
{
OutstandingRequests.TryRemove(lsinfo.Token, out _);
var token = BufUtils.RandomUint() | 1;
var ls = lsinfo.LeaseSet;
var getnext = DateTime.UtcNow.Hour >= 23;
var list = NetDb.Inst.GetClosestFloodfill(
ls.Destination.IdentHash,
2 + 2 * lsinfo.Retries,
null,
getnext);
var ff = list.Random();
var ffident = NetDb.Inst[ff];
Logging.Log($"FloodfillUpdater: LS {ls.Destination.IdentHash.Id32Short} " +
$"replacement update {ff.Id32Short}, token {token,10}, " +
$"dist: {ff ^ ls.Destination.IdentHash.RoutingKey}.");
SendLeaseSetUpdateGarlic(
ffident.Identity.IdentHash,
ffident.Identity.PublicKey,
ls,
token);
OutstandingRequests[token] = new FFUpdateRequestInfo(
ff,
token,
ls,
lsinfo.Retries + 1);
}
}
private void TimeoutRegenerateRIUpdate(IEnumerable <FFUpdateRequestInfo> rinfos)
{
var list = GetNewFFList(
RouterContext.Inst.MyRouterIdentity.IdentHash,
rinfos.Count());
foreach (var rinfo in rinfos)
{
OutstandingRequests.TryRemove(rinfo.Token, out _);
var ff = list.Random();
var token = BufUtils.RandomUint() | 1;
Logging.LogDebug(string.Format("FloodfillUpdater: RI replacement update {0}, token {1,10}, dist: {2}.",
ff.Id32Short, token,
ff ^ RouterContext.Inst.MyRouterIdentity.IdentHash.RoutingKey));
SendUpdate(ff, token);
OutstandingRequests[token] = new FFUpdateRequestInfo(
ff,
token,
RouterContext.Inst.MyRouterIdentity.IdentHash);
}
}
