public Task Upload(Tag tag, ChatMessage chatMessage, DigitalSignature digitalSignature, TimeSpan miningTime, CancellationToken token)
{
if (tag == null)
{
throw new ArgumentNullException(nameof(tag));
}
if (chatMessage == null)
{
throw new ArgumentNullException(nameof(chatMessage));
}
if (digitalSignature == null)
{
throw new ArgumentNullException(nameof(digitalSignature));
}
return(_coreManager.VolatileSetStream(ContentConverter.ToStream(chatMessage), TimeSpan.FromDays(360), token)
.ContinueWith(task =>
{
MulticastMetadata multicastMetadata;
try
{
var miner = new Miner(CashAlgorithm.Version1, -1, miningTime);
multicastMetadata = new MulticastMetadata("ChatMessage", tag, DateTime.UtcNow, task.Result, digitalSignature, miner, token);
}
catch (MinerException)
{
return;
}
_coreManager.UploadMetadata(multicastMetadata);
}));
}
public void UploadMetadata(MulticastMetadata metadata)
{
this.Check();
lock (_lockObject)
{
_networkManager.Upload(metadata);
}
}
public bool SetMetadata(MulticastMetadata multicastMetadata)
{
using (_lockManager.WriteLock())
{
var now = DateTime.UtcNow;
if (multicastMetadata == null ||
multicastMetadata.Type == null ||
multicastMetadata.Tag == null ||
multicastMetadata.Tag.Id == null || multicastMetadata.Tag.Id.Length == 0 ||
string.IsNullOrWhiteSpace(multicastMetadata.Tag.Name) ||
(multicastMetadata.CreationTime - now).TotalMinutes > 30 ||
multicastMetadata.Certificate == null)
{
return(false);
}
if (!_multicastMetadatas.TryGetValue(multicastMetadata.Type, out var dic))
{
dic = new Dictionary <Tag, Dictionary <Signature, HashSet <MulticastMetadata> > >();
_multicastMetadatas[multicastMetadata.Type] = dic;
}
if (!dic.TryGetValue(multicastMetadata.Tag, out var dic2))
{
dic2 = new Dictionary <Signature, HashSet <MulticastMetadata> >();
dic[multicastMetadata.Tag] = dic2;
}
var signature = multicastMetadata.Certificate.GetSignature();
if (!dic2.TryGetValue(signature, out var hashset))
{
hashset = new HashSet <MulticastMetadata>();
dic2[signature] = hashset;
}
if (!hashset.Contains(multicastMetadata))
{
if (!multicastMetadata.VerifyCertificate())
{
return(false);
}
hashset.Add(multicastMetadata);
}
return(true);
}
}
protected override void ProtectedImport(Stream stream, BufferManager bufferManager, int depth)
{
using (var reader = new ItemStreamReader(stream, bufferManager))
{
while (reader.Available > 0)
{
int id = (int)reader.GetUInt32();
if (id == (int)SerializeId.MulticastMetadatas)
{
for (int i = (int)reader.GetUInt32() - 1; i >= 0; i--)
{
this.ProtectedMulticastMetadatas.Add(MulticastMetadata.Import(reader.GetStream(), bufferManager));
}
}
}
}
}
