public void Get_NotExpired()
{
using (var router = new ContentRouter())
{
router.Add(cid1, self.Id, DateTime.MinValue);
var providers = router.Get(cid1);
Assert.AreEqual(0, providers.Count());
router.Add(cid1, self.Id, DateTime.MaxValue - router.ProviderTTL);
providers = router.Get(cid1);
Assert.AreEqual(1, providers.Count());
}
}
public void Get_NonexistentCid()
{
using (var router = new ContentRouter())
{
var providers = router.Get(cid1);
Assert.AreEqual(0, providers.Count());
}
}
/// <inheritdoc />
public async Task <IEnumerable <Peer> > FindProvidersAsync(
Cid id,
int limit = 20,
Action <Peer> action = null,
CancellationToken cancel = default(CancellationToken))
{
var dquery = new DistributedQuery <Peer>
{
QueryType = MessageType.GetProviders,
QueryKey = id.Hash,
Dht = this,
AnswersNeeded = limit,
};
if (action != null)
{
dquery.AnswerObtained += (s, e) => action.Invoke(e);
}
// Add any providers that we already know about.
var providers = ContentRouter
.Get(id)
.Select(pid =>
{
return((pid == Swarm.LocalPeer.Id)
? Swarm.LocalPeer
: Swarm.RegisterPeer(new Peer {
Id = pid
}));
});
foreach (var provider in providers)
{
dquery.AddAnswer(provider);
}
// Ask our peers for more providers.
if (limit > dquery.Answers.Count())
{
await dquery.RunAsync(cancel).ConfigureAwait(false);
}
return(dquery.Answers.Take(limit));
}
public void Add()
{
using (var router = new ContentRouter())
{
router.Add(cid1, self.Id);
var providers = router.Get(cid1);
Assert.AreEqual(1, providers.Count());
Assert.AreEqual(self.Id, providers.First());
}
}
public void Add_MultipleProviders()
{
using (var router = new ContentRouter())
{
router.Add(cid1, self.Id);
router.Add(cid1, other.Id);
var providers = router.Get(cid1).ToArray();
Assert.AreEqual(2, providers.Length);
CollectionAssert.Contains(providers, self.Id);
CollectionAssert.Contains(providers, other.Id);
}
}