public Task <BroadcastProfileMessage> GetProfile(Signature signature)
{
if (signature == null)
{
throw new ArgumentNullException(nameof(signature));
}
var broadcastMetadata = _coreManager.GetBroadcastMetadata(signature, "Profile");
if (broadcastMetadata == null)
{
return(Task.FromResult <BroadcastProfileMessage>(null));
}
// Cache
{
if (_cache_Profiles.TryGetValue(broadcastMetadata, out var result))
{
return(Task.FromResult(result));
}
}
return(Task.Run(() =>
{
try
{
var stream = _coreManager.VolatileGetStream(broadcastMetadata.Metadata, 1024 * 1024 * 32);
if (stream == null)
{
return null;
}
var content = ContentConverter.FromStream <ProfileContent>(stream, 0);
if (content == null)
{
return null;
}
var result = new BroadcastProfileMessage(
broadcastMetadata.Certificate.GetSignature(),
broadcastMetadata.CreationTime,
content);
_cache_Profiles[broadcastMetadata] = result;
return result;
}
catch (Exception e)
{
Log.Error(e);
}
return null;
}));
}
public Task <BroadcastMessage <Store> > GetStore(Signature signature)
{
if (signature == null)
{
throw new ArgumentNullException(nameof(signature));
}
var broadcastMetadata = _coreManager.GetBroadcastMetadata(signature, "Store");
if (broadcastMetadata == null)
{
return(Task.FromResult <BroadcastMessage <Store> >(null));
}
// Cache
{
if (_cache_Stores.TryGetValue(broadcastMetadata, out var result))
{
return(Task.FromResult(result));
}
}
return(Task.Run(() =>
{
var stream = _coreManager.VolatileGetStream(broadcastMetadata.Metadata, 1024 * 1024 * 32);
if (stream == null)
{
return null;
}
var result = new BroadcastMessage <Store>(
broadcastMetadata.Certificate.GetSignature(),
broadcastMetadata.CreationTime,
ContentConverter.FromStream <Store>(stream));
if (result.Value == null)
{
return null;
}
_cache_Stores[broadcastMetadata] = result;
return result;
}));
}
private void ConnectionsManagerThread()
{
var refreshStopwatch = new Stopwatch();
bool refreshThreadRunning = false;
var pushBlockDiffusionStopwatch = new Stopwatch();
pushBlockDiffusionStopwatch.Start();
var pushBlockUploadStopwatch = new Stopwatch();
pushBlockUploadStopwatch.Start();
var pushBlockDownloadStopwatch = new Stopwatch();
pushBlockDownloadStopwatch.Start();
var pushMetadataUploadStopwatch = new Stopwatch();
pushMetadataUploadStopwatch.Start();
var pushMetadataDownloadStopwatch = new Stopwatch();
pushMetadataDownloadStopwatch.Start();
var requestCounts = new VolatileHashDictionary<Key, int>(new TimeSpan(0, 10, 0));
for (;;)
{
Thread.Sleep(1000);
if (this.State == ManagerState.Stop) return;
var connectionCount = 0;
lock (_thisLock)
{
connectionCount = _connectionManagers.Count;
}
if (!refreshStopwatch.IsRunning || refreshStopwatch.Elapsed.TotalSeconds >= 60)
{
refreshStopwatch.Restart();
// トラストにより必要なMetadataを選択し、不要なMetadataを削除する。
Task.Run(() =>
{
if (refreshThreadRunning) return;
refreshThreadRunning = true;
try
{
var lockSignatures = this.OnLockSignaturesEvent();
if (lockSignatures == null) return;
var lockTags = this.OnLockTagsEvent();
if (lockTags == null) return;
_settings.MetadataManager.Refresh(lockSignatures.ToArray(), lockTags.ToArray());
}
catch (Exception e)
{
Log.Error(e);
}
finally
{
refreshThreadRunning = false;
}
});
}
// 拡散アップロード
if (connectionCount > _diffusionConnectionCountLowerLimit
&& pushBlockDiffusionStopwatch.Elapsed.TotalSeconds >= 60)
{
pushBlockDiffusionStopwatch.Restart();
// 拡散アップロードするブロック数を10000以下に抑える。
lock (_thisLock)
{
lock (_settings.DiffusionBlocksRequest.ThisLock)
{
if (_settings.DiffusionBlocksRequest.Count > 10000)
{
foreach (var key in _settings.DiffusionBlocksRequest.Randomize()
.Take(_settings.DiffusionBlocksRequest.Count - 10000))
{
_settings.DiffusionBlocksRequest.Remove(key);
}
}
}
}
// 存在しないブロックのKeyをRemoveする。
lock (_thisLock)
{
lock (_settings.DiffusionBlocksRequest.ThisLock)
{
foreach (var key in _cacheManager.ExceptFrom(_settings.DiffusionBlocksRequest.ToArray()).ToArray())
{
_settings.DiffusionBlocksRequest.Remove(key);
}
}
lock (_settings.UploadBlocksRequest.ThisLock)
{
foreach (var key in _cacheManager.ExceptFrom(_settings.UploadBlocksRequest.ToArray()).ToArray())
{
_settings.UploadBlocksRequest.Remove(key);
}
}
}
var baseNode = this.BaseNode;
var otherNodes = new List<Node>();
lock (_thisLock)
{
otherNodes.AddRange(_connectionManagers.Select(n => n.Node));
}
var packetManagers = new Dictionary<Node, PacketManager>();
foreach (var node in otherNodes)
{
packetManagers[node] = _packetControlManager[node];
}
var diffusionBlocksList = new HashSet<Key>();
{
{
var array = _settings.UploadBlocksRequest.ToArray();
_random.Shuffle(array);
int count = 1024;
for (int i = 0; i < count && i < array.Length; i++)
{
diffusionBlocksList.Add(array[i]);
}
}
{
var array = _settings.DiffusionBlocksRequest.ToArray();
_random.Shuffle(array);
int count = 1024;
for (int i = 0; i < count && i < array.Length; i++)
{
diffusionBlocksList.Add(array[i]);
}
}
}
{
var diffusionBlocksDictionary = new Dictionary<Node, List<Key>>();
foreach (var key in diffusionBlocksList.Randomize())
{
try
{
var requestNodes = new List<Node>();
foreach (var node in Kademlia<Node>.Search(key.Hash, baseNode.Id, otherNodes, 2))
{
requestNodes.Add(node);
}
if (requestNodes.Count == 0)
{
_blockUploadedEventQueue.Enqueue(key);
_settings.UploadBlocksRequest.Remove(key);
_settings.DiffusionBlocksRequest.Remove(key);
continue;
}
for (int i = 0; i < requestNodes.Count; i++)
{
List<Key> collection;
if (!diffusionBlocksDictionary.TryGetValue(requestNodes[i], out collection))
{
collection = new List<Key>();
diffusionBlocksDictionary[requestNodes[i]] = collection;
}
collection.Add(key);
}
}
catch (Exception e)
{
Log.Error(e);
}
}
lock (_diffusionBlocksDictionary.ThisLock)
{
_diffusionBlocksDictionary.Clear();
foreach (var pair in diffusionBlocksDictionary)
{
var node = pair.Key;
var targets = pair.Value;
_random.Shuffle(targets);
_diffusionBlocksDictionary.Add(node, new Queue<Key>(targets));
}
}
}
}
// アップロード
if (connectionCount >= _uploadingConnectionCountLowerLimit
&& pushBlockUploadStopwatch.Elapsed.TotalSeconds >= 60)
{
pushBlockUploadStopwatch.Restart();
var baseNode = this.BaseNode;
var otherNodes = new List<Node>();
lock (_thisLock)
{
otherNodes.AddRange(_connectionManagers.Select(n => n.Node));
}
var packetManagers = new Dictionary<Node, PacketManager>();
foreach (var node in otherNodes)
{
packetManagers[node] = _packetControlManager[node];
}
{
var uploadBlocksDictionary = new Dictionary<Node, List<Key>>();
foreach (var pair in packetManagers)
{
var node = pair.Key;
var packetManager = pair.Value;
uploadBlocksDictionary.Add(node, _cacheManager.IntersectFrom(packetManager.PullBlocksRequest.ToArray().Randomize()).Take(1024).ToList());
}
lock (_uploadBlocksDictionary.ThisLock)
{
_uploadBlocksDictionary.Clear();
foreach (var pair in uploadBlocksDictionary)
{
var node = pair.Key;
var targets = pair.Value;
_uploadBlocksDictionary.Add(node, new Queue<Key>(targets));
}
}
}
}
// ダウンロード
if (connectionCount >= _downloadingConnectionCountLowerLimit
&& pushBlockDownloadStopwatch.Elapsed.TotalSeconds >= 60)
{
pushBlockDownloadStopwatch.Restart();
var baseNode = this.BaseNode;
var otherNodes = new List<Node>();
lock (_thisLock)
{
otherNodes.AddRange(_connectionManagers.Select(n => n.Node));
}
var packetManagers = new Dictionary<Node, PacketManager>();
foreach (var node in otherNodes)
{
packetManagers[node] = _packetControlManager[node];
}
var pushBlocksLinkList = new HashSet<Key>();
var pushBlocksRequestList = new HashSet<Key>();
{
{
var array = _cacheManager.ToArray();
_random.Shuffle(array);
int count = _maxBlockLinkCount;
pushBlocksLinkList.UnionWith(array.Take(count));
}
foreach (var pair in packetManagers)
{
var node = pair.Key;
var packetManager = pair.Value;
{
var array = packetManager.PullBlocksLink.ToArray(new TimeSpan(0, 10, 0));
_random.Shuffle(array);
var count = (int)((_maxBlockLinkCount * ((double)12 / otherNodes.Count)) * this.GetPriority(node));
pushBlocksLinkList.UnionWith(array.Take(count));
}
}
{
var array = _cacheManager.ExceptFrom(_downloadBlocks.ToArray()).ToArray();
_random.Shuffle(array);
int count = _maxBlockRequestCount;
pushBlocksRequestList.UnionWith(array.Take(count));
}
foreach (var pair in packetManagers)
{
var node = pair.Key;
var packetManager = pair.Value;
{
var array = _cacheManager.ExceptFrom(packetManager.PullBlocksRequest.ToArray(new TimeSpan(0, 10, 0))).ToArray();
_random.Shuffle(array);
var count = (int)((_maxBlockRequestCount * ((double)12 / otherNodes.Count)) * this.GetPriority(node));
pushBlocksRequestList.UnionWith(array.Take(count));
}
}
}
{
var pushBlocksLinkDictionary = new Dictionary<Node, List<Key>>();
foreach (var key in pushBlocksLinkList.Randomize())
{
try
{
var requestNodes = new List<Node>();
foreach (var node in Kademlia<Node>.Search(key.Hash, otherNodes, 2))
{
requestNodes.Add(node);
}
for (int i = 0; i < requestNodes.Count; i++)
{
List<Key> collection;
if (!pushBlocksLinkDictionary.TryGetValue(requestNodes[i], out collection))
{
collection = new List<Key>();
pushBlocksLinkDictionary[requestNodes[i]] = collection;
}
if (collection.Count < _maxBlockLinkCount)
{
collection.Add(key);
}
}
}
catch (Exception e)
{
Log.Error(e);
}
}
lock (_pushBlocksLinkDictionary.ThisLock)
{
_pushBlocksLinkDictionary.Clear();
foreach (var pair in pushBlocksLinkDictionary)
{
var node = pair.Key;
var targets = pair.Value;
_random.Shuffle(targets);
_pushBlocksLinkDictionary.Add(node, targets);
}
}
}
{
requestCounts.Update();
var pushBlocksRequestDictionary = new Dictionary<Node, List<Key>>();
foreach (var key in pushBlocksRequestList.Randomize())
{
int count;
{
int value;
requestCounts.TryGetValue(key, out value);
if (value < 6) requestCounts[key] = (value += 2);
count = value;
}
try
{
var requestNodes = new List<Node>();
foreach (var node in Kademlia<Node>.Search(key.Hash, otherNodes, count))
{
requestNodes.Add(node);
}
foreach (var pair in packetManagers)
{
var node = pair.Key;
var packetManager = pair.Value;
if (packetManager.PullBlocksLink.Contains(key))
{
requestNodes.Add(node);
}
}
for (int i = 0; i < requestNodes.Count; i++)
{
List<Key> collection;
if (!pushBlocksRequestDictionary.TryGetValue(requestNodes[i], out collection))
{
collection = new List<Key>();
pushBlocksRequestDictionary[requestNodes[i]] = collection;
}
if (collection.Count < _maxBlockRequestCount)
{
collection.Add(key);
}
}
}
catch (Exception e)
{
Log.Error(e);
}
}
lock (_pushBlocksRequestDictionary.ThisLock)
{
_pushBlocksRequestDictionary.Clear();
foreach (var pair in pushBlocksRequestDictionary)
{
var node = pair.Key;
var targets = pair.Value;
_random.Shuffle(targets);
_pushBlocksRequestDictionary.Add(node, targets);
}
}
}
}
// Metadataのアップロード
if (connectionCount >= _uploadingConnectionCountLowerLimit
&& pushMetadataUploadStopwatch.Elapsed.TotalMinutes >= 3)
{
pushMetadataUploadStopwatch.Restart();
var baseNode = this.BaseNode;
var otherNodes = new List<Node>();
lock (_thisLock)
{
otherNodes.AddRange(_connectionManagers.Select(n => n.Node));
}
var packetManagers = new Dictionary<Node, PacketManager>();
foreach (var node in otherNodes)
{
packetManagers[node] = _packetControlManager[node];
}
// Broadcast
foreach (var signature in _settings.MetadataManager.GetBroadcastSignatures())
{
try
{
var requestNodes = new List<Node>();
foreach (var node in Kademlia<Node>.Search(Signature.GetHash(signature), otherNodes, 2))
{
requestNodes.Add(node);
}
for (int i = 0; i < requestNodes.Count; i++)
{
packetManagers[requestNodes[i]].PullBroadcastMetadatasRequest.Add(signature);
}
}
catch (Exception e)
{
Log.Error(e);
}
}
// Unicast
foreach (var signature in _settings.MetadataManager.GetUnicastSignatures())
{
try
{
var requestNodes = new List<Node>();
foreach (var node in Kademlia<Node>.Search(Signature.GetHash(signature), otherNodes, 2))
{
requestNodes.Add(node);
}
for (int i = 0; i < requestNodes.Count; i++)
{
packetManagers[requestNodes[i]].PullUnicastMetadatasRequest.Add(signature);
}
}
catch (Exception e)
{
Log.Error(e);
}
}
// Multicast
{
foreach (var tag in _settings.MetadataManager.GetMulticastTags())
{
try
{
var requestNodes = new List<Node>();
foreach (var node in Kademlia<Node>.Search(tag.Id, otherNodes, 2))
{
requestNodes.Add(node);
}
for (int i = 0; i < requestNodes.Count; i++)
{
packetManagers[requestNodes[i]].PullMulticastMetadatasRequest.Add(tag);
}
}
catch (Exception e)
{
Log.Error(e);
}
}
}
}
// Metadataのダウンロード
if (connectionCount >= _downloadingConnectionCountLowerLimit
&& pushMetadataDownloadStopwatch.Elapsed.TotalSeconds >= 60)
{
pushMetadataDownloadStopwatch.Restart();
var baseNode = this.BaseNode;
var otherNodes = new List<Node>();
lock (_thisLock)
{
otherNodes.AddRange(_connectionManagers.Select(n => n.Node));
}
var packetManagers = new Dictionary<Node, PacketManager>();
foreach (var node in otherNodes)
{
packetManagers[node] = _packetControlManager[node];
}
var pushBroadcastMetadatasRequestList = new HashSet<string>();
var pushUnicastMetadatasRequestList = new HashSet<string>();
var pushMulticastMetadatasRequestList = new HashSet<Tag>();
{
// Broadcast
{
{
var array = _pushBroadcastMetadatasRequestList.ToArray();
_random.Shuffle(array);
int count = _maxMetadataRequestCount;
for (int i = 0; count > 0 && i < array.Length; i++)
{
pushBroadcastMetadatasRequestList.Add(array[i]);
count--;
}
}
foreach (var pair in packetManagers)
{
var node = pair.Key;
var packetManager = pair.Value;
{
var array = packetManager.PullBroadcastMetadatasRequest.ToArray(new TimeSpan(0, 10, 0));
_random.Shuffle(array);
int count = _maxMetadataRequestCount;
for (int i = 0; count > 0 && i < array.Length; i++)
{
pushBroadcastMetadatasRequestList.Add(array[i]);
count--;
}
}
}
}
// Unicast
{
{
var array = _pushUnicastMetadatasRequestList.ToArray();
_random.Shuffle(array);
int count = _maxMetadataRequestCount;
for (int i = 0; count > 0 && i < array.Length; i++)
{
pushUnicastMetadatasRequestList.Add(array[i]);
count--;
}
}
foreach (var pair in packetManagers)
{
var node = pair.Key;
var packetManager = pair.Value;
{
var array = packetManager.PullUnicastMetadatasRequest.ToArray(new TimeSpan(0, 10, 0));
_random.Shuffle(array);
int count = _maxMetadataRequestCount;
for (int i = 0; count > 0 && i < array.Length; i++)
{
pushUnicastMetadatasRequestList.Add(array[i]);
count--;
}
}
}
}
// Multicast
{
{
var array = _pushMulticastMetadatasRequestList.ToArray();
_random.Shuffle(array);
int count = _maxMetadataRequestCount;
for (int i = 0; count > 0 && i < array.Length; i++)
{
pushMulticastMetadatasRequestList.Add(array[i]);
count--;
}
}
foreach (var pair in packetManagers)
{
var node = pair.Key;
var packetManager = pair.Value;
{
var array = packetManager.PullMulticastMetadatasRequest.ToArray(new TimeSpan(0, 10, 0));
_random.Shuffle(array);
int count = _maxMetadataRequestCount;
for (int i = 0; count > 0 && i < array.Length; i++)
{
pushMulticastMetadatasRequestList.Add(array[i]);
count--;
}
}
}
}
}
{
// Broadcast
{
var pushBroadcastMetadatasRequestDictionary = new Dictionary<Node, List<string>>();
foreach (var signature in pushBroadcastMetadatasRequestList.Randomize())
{
try
{
var requestNodes = new List<Node>();
foreach (var node in Kademlia<Node>.Search(Signature.GetHash(signature), otherNodes, 2))
{
requestNodes.Add(node);
}
for (int i = 0; i < requestNodes.Count; i++)
{
List<string> collection;
if (!pushBroadcastMetadatasRequestDictionary.TryGetValue(requestNodes[i], out collection))
{
collection = new List<string>();
pushBroadcastMetadatasRequestDictionary[requestNodes[i]] = collection;
}
if (collection.Count < _maxMetadataRequestCount)
{
collection.Add(signature);
}
}
}
catch (Exception e)
{
Log.Error(e);
}
}
lock (_pushBroadcastMetadatasRequestDictionary.ThisLock)
{
_pushBroadcastMetadatasRequestDictionary.Clear();
foreach (var pair in pushBroadcastMetadatasRequestDictionary)
{
var node = pair.Key;
var targets = pair.Value;
_random.Shuffle(targets);
_pushBroadcastMetadatasRequestDictionary.Add(node, targets);
}
}
}
// Unicast
{
var pushUnicastMetadatasRequestDictionary = new Dictionary<Node, List<string>>();
foreach (var signature in pushUnicastMetadatasRequestList.Randomize())
{
try
{
var requestNodes = new List<Node>();
foreach (var node in Kademlia<Node>.Search(Signature.GetHash(signature), otherNodes, 2))
{
requestNodes.Add(node);
}
for (int i = 0; i < requestNodes.Count; i++)
{
List<string> collection;
if (!pushUnicastMetadatasRequestDictionary.TryGetValue(requestNodes[i], out collection))
{
collection = new List<string>();
pushUnicastMetadatasRequestDictionary[requestNodes[i]] = collection;
}
if (collection.Count < _maxMetadataRequestCount)
{
collection.Add(signature);
}
}
}
catch (Exception e)
{
Log.Error(e);
}
}
lock (_pushUnicastMetadatasRequestDictionary.ThisLock)
{
_pushUnicastMetadatasRequestDictionary.Clear();
foreach (var pair in pushUnicastMetadatasRequestDictionary)
{
var node = pair.Key;
var targets = pair.Value;
_random.Shuffle(targets);
_pushUnicastMetadatasRequestDictionary.Add(node, targets);
}
}
}
// Multicast
{
var pushMulticastMetadatasRequestDictionary = new Dictionary<Node, List<Tag>>();
foreach (var tag in pushMulticastMetadatasRequestList.Randomize())
{
try
{
var requestNodes = new List<Node>();
foreach (var node in Kademlia<Node>.Search(tag.Id, otherNodes, 2))
{
requestNodes.Add(node);
}
for (int i = 0; i < requestNodes.Count; i++)
{
List<Tag> collection;
if (!pushMulticastMetadatasRequestDictionary.TryGetValue(requestNodes[i], out collection))
{
collection = new List<Tag>();
pushMulticastMetadatasRequestDictionary[requestNodes[i]] = collection;
}
if (collection.Count < _maxMetadataRequestCount)
{
collection.Add(tag);
}
}
}
catch (Exception e)
{
Log.Error(e);
}
}
lock (_pushMulticastMetadatasRequestDictionary.ThisLock)
{
_pushMulticastMetadatasRequestDictionary.Clear();
foreach (var pair in pushMulticastMetadatasRequestDictionary)
{
var node = pair.Key;
var targets = pair.Value;
_random.Shuffle(targets);
_pushMulticastMetadatasRequestDictionary.Add(node, targets);
}
}
}
}
}
}
}
