private I2PIdentHash GetRandomRouter(
RouletteSelection <I2PRouterInfo, I2PIdentHash> r,
ConcurrentBag <I2PIdentHash> exclude,
bool exploratory)
{
I2PIdentHash result;
var me = RouterContext.Inst.MyRouterIdentity.IdentHash;
if (exploratory)
{
var subset = RouterInfos
.Where(k => !exclude.Contains(k.Key));
do
{
result = subset
.Random()
.Key;
} while (result == me);
return(result);
}
var retries = 0;
bool tryagain;
do
{
result = r.GetWeightedRandom(r.Wheel.Count() < 300 ? null : exclude);
tryagain = result == me;
} while (tryagain && ++retries < 20);
//Logging.LogInformation( $"GetRandomRouter selected {result}: {exclude.Any( k2 => k2 == result )}" );
return(result);
}
private void IsFirewalledUpdate()
{
var fw = RouterInfos.Where(ri =>
ri.Value.Router.Adresses.Any(a =>
a.Options.Any(o =>
o.Key.ToString() == "ihost0")));
foreach (var ri in fw)
{
Statistics.IsFirewalledUpdate(ri.Key, true);
}
}
private void RemoveOldRouterInfos()
{
var inactive = Statistics.GetInactive();
var old = RouterInfos.Where(ri =>
(DateTime.Now - (DateTime)ri.Value.Router.PublishedDate).TotalDays > 1)
.Select(p => p.Key);
inactive.UnionWith(old);
if (RouterInfos.Count - inactive.Count < 400)
{
inactive = new HashSet <I2PIdentHash>(
inactive
.Where(k => RouterInfos.ContainsKey(k))
.OrderBy(k => (DateTime)RouterInfos[k].Router.PublishedDate)
.Take(RouterInfos.Count - 400));
}
RemoveRouterInfo(inactive);
}
private void ShowDebugDatabaseInfo()
{
Logging.LogDebug($"NetDb: Router count: {RouterInfos.Count}");
var nohost = RouterInfos
.Where(ri => !ri.Value.Router.Adresses.Any(a =>
a.Options.TryGet("host") != null));
Logging.LogDebug($"NetDb: No host: {nohost.Count()}");
var ipv4 = RouterInfos
.Where(ri => ri.Value.Router.Adresses.Any(a =>
a.Options.TryGet("host")?.ToString().Contains(".") ?? false));
Logging.LogDebug($"NetDb: IPV4: {ipv4.Count()}");
var ipv6 = RouterInfos
.Where(ri => ri.Value.Router.Adresses.Any(a =>
a.Options.TryGet("host")?.ToString().Contains(":") ?? false));
Logging.LogDebug($"NetDb: IPV6: {ipv6.Count()}");
var onlyipv4 = RouterInfos
.Where(ri =>
ri.Value.Router.Adresses.Any(a =>
a.Options.TryGet("host")?.ToString().Contains(".") ?? false) &&
!ri.Value.Router.Adresses.Any(a =>
a.Options.TryGet("host")?.ToString().Contains(":") ?? false));
Logging.LogDebug($"NetDb: Only IPV4: {onlyipv4.Count()}");
var onlyipv6 = RouterInfos
.Where(ri =>
ri.Value.Router.Adresses.Any(a =>
a.Options.TryGet("host")?.ToString().Contains(":") ?? false) &&
!ri.Value.Router.Adresses.Any(a =>
a.Options.TryGet("host")?.ToString().Contains(".") ?? false));
Logging.LogDebug($"NetDb: Only IPV6: {onlyipv6.Count()}");
var ntcp = RouterInfos
.Where(ri =>
ri.Value.Router.Adresses.Any(a => a.TransportStyle == "NTCP"));
Logging.LogDebug($"NetDb: NTCP: {ntcp.Count()}");
var ssu = RouterInfos
.Where(ri =>
ri.Value.Router.Adresses.Any(a => a.TransportStyle == "SSU"));
Logging.LogDebug($"NetDb: SSU: {ssu.Count()}");
var onlyntcp = RouterInfos
.Where(ri =>
ri.Value.Router.Adresses.Any(a => a.TransportStyle == "NTCP") &&
!ri.Value.Router.Adresses.Any(a => a.TransportStyle == "SSU"));
Logging.LogDebug($"NetDb: Only NTCP: {onlyntcp.Count()}");
var onlyssu = RouterInfos
.Where(ri =>
ri.Value.Router.Adresses.Any(a => a.TransportStyle == "SSU") &&
!ri.Value.Router.Adresses.Any(a => a.TransportStyle == "NTCP"));
Logging.LogDebug($"NetDb: Only SSU: {onlyssu.Count()}");
}