public CacheListViewItem(Cache cache)
{
this.Category = cache.Category;
this.CreationTime = cache.CreationTime;
this.Hash = cache.Hash;
this.Name = cache.Name;
this.Sign = cache.Sign;
this.Signature = cache.Signature;
this.Signature_SHA1 = cache.Signature_SHA1;
this.SignatureHash = cache.SignatureHash;
this.Size = cache.Size;
this.CacheBlockLength = cache.CacheBlockHash.Length;
this.PublicKey = cache.PublicKey;
this.UploadBlockBitmap = new bool[this.CacheBlockLength];
this.Cache = cache;
}
public byte[] GetCacheBlock(byte[] hash, int index)
{
if (hash == null) return null;
DebugWrite(this, "FileShareService.GetCacheBlock：キャッシュブロック検索依頼を受けました");
try
{
Cache cache;
lock (Settings.Default._cacheController.CacheList)
{
cache = Settings.Default._cacheController.CacheList.First(n => BinaryEditor.ArrayEquals(n.Hash, hash));
}
return Settings.Default._cacheController[cache, index];
}
catch (InvalidOperationException ex)
{
DebugWrite(this, "FileShareService.GetCacheBlock：" + ex.Message);
Debug.WriteLine(ex.Message);
}
catch (ApplicationException ex)
{
DebugWrite(this, "FileShareService.GetCacheBlock：" + ex.Message);
Debug.WriteLine(ex.Message);
}
DebugWrite(this, "FileShareService.GetCacheBlock：キャッシュブロックの中継依頼を受けました");
foreach (Key key in Settings.Default._keyController.Search(hash))
{
if (BinaryEditor.ArrayEquals(key.FileLocation.NodeID, Settings.Default._routeTable.MyNode.NodeID)) continue;
if (key.CacheBlockBitmap == null || key.CacheBlockBitmap[index] == false) continue;
IFileShareService proxy = null;
try
{
using (ChannelFactory<IFileShareService> channel = new ChannelFactory<IFileShareService>("Tcp_Client", key.FileLocation.Endpoint))
{
proxy = channel.CreateChannel();
Cache cache;
lock (Settings.Default._cacheController.CacheList)
{
cache = Settings.Default._cacheController.CacheList.
FirstOrDefault(n => BinaryEditor.ArrayEquals(n.Hash, key.Hash));
}
if (cache == null)
{
cache = new Cache();
cache.Key = Clone.DeepCopyClone<Key>(key);
cache.Key.FileLocation = new Node();
cache.Key.Review = null;
cache.Category = key.Cache_Category;
cache.CreationTime = key.Cache_CreationTime;
cache.Name = key.Cache_FileName;
cache.Sign = key.Cache_Sign;
cache.Size = key.Cache_Size;
cache.Signature = key.Cache_Signature;
cache.Signature_SHA1 = key.Cache_Signature_SHA1;
cache.PublicKey = key.PublicKey;
cache.CacheBlockHash = proxy.GetCacheBlockHashList(key.Cache_Hash);
if (!cache.VerifyDigitalSignature()) throw new ApplicationException("電子署名が不正です");
lock (Settings.Default._cacheController.CacheList)
{
Settings.Default._cacheController.CacheList.Add(cache);
}
}
byte[] block = proxy.GetCacheBlock(hash, index);
if (block == null) continue;
Settings.Default._cacheController[cache, index] = block;
return block;
}
}
catch (EndpointNotFoundException ex)
{
continue;
}
catch (TimeoutException ex)
{
continue;
}
catch (FaultException ex)
{
continue;
}
catch (CommunicationException ex)
{
continue;
}
catch (NullReferenceException ex)
{
continue;
}
catch (ArgumentNullException ex)
{
continue;
}
catch (ApplicationException ex)
{
continue;
}
catch (ArgumentException ex)
{
continue;
}
finally
{
if (proxy != null)
{
try
{
((IClientChannel)proxy).Close();
}
catch
{
((IClientChannel)proxy).Abort();
}
}
}
}
return null;
}
public void SetCacheBlock(Cache cache, byte[] value, DateTime createTime)
{
if (cache == null || value == null || createTime == null) return;
DebugWrite(this, "FileShareService.SetCacheBlock：キャッシュブロックを受信しました");
byte[] valueHash = HashFunction.HashCreate(value);
try
{
if (Settings.Default._cacheController.Contains(cache, valueHash)) return;
Settings.Default._cacheController[cache, valueHash] = value;
Settings.Default.UploadDiffusionList.Add(new UploadDiffusion()
{
Cache = cache,
CacheBlockHash = valueHash,
CreateTime = createTime
});
}
catch (ApplicationException ex)
{
DebugWrite(this, "FileShareService.SetCacheBlock：" + ex.Message);
Debug.WriteLine(ex.Message);
}
}
public byte[][] GetCacheBlockHashList(byte[] hash)
{
Cache cache ;
lock (Settings.Default._cacheController.CacheList)
{
cache = Settings.Default._cacheController.CacheList.
FirstOrDefault(n => BinaryEditor.ArrayEquals(n.Hash, hash));
}
if (cache != null && cache.CacheBlockHash != null)
{
DebugWrite(this, "FileShareService.GetCacheBlockHashList：キャッシュブロックのハッシュリストの検索依頼を受けました");
return cache.CacheBlockHash;
}
// キャッシュブロックハッシュリストが存在しない場合、中継する
else
{
foreach (Key key in Settings.Default._keyController.Search(hash))
{
if (BinaryEditor.ArrayEquals(Settings.Default._routeTable.MyNode.NodeID, key.FileLocation.NodeID)) continue;
IFileShareService proxy = null;
try
{
using (ChannelFactory<IFileShareService> channel = new ChannelFactory<IFileShareService>("Tcp_Client", key.FileLocation.Endpoint))
{
proxy = channel.CreateChannel();
cache = new Cache();
cache.Key = Clone.DeepCopyClone<Key>(key);
cache.Key.FileLocation = new Node();
cache.Key.Review = null;
cache.Category = key.Cache_Category;
cache.CreationTime = key.Cache_CreationTime;
cache.Name = key.Cache_FileName;
cache.Sign = key.Cache_Sign;
cache.Size = key.Cache_Size;
cache.Signature = key.Cache_Signature;
cache.Signature_SHA1 = key.Cache_Signature_SHA1;
cache.PublicKey = key.PublicKey;
cache.CacheBlockHash = proxy.GetCacheBlockHashList(key.Cache_Hash);
if (!cache.VerifyDigitalSignature()) throw new ApplicationException("電子署名が不正です");
lock (Settings.Default._cacheController.CacheList)
{
Settings.Default._cacheController.CacheList.Add(cache);
}
DebugWrite(this, "FileShareService.GetCacheBlockHashList：キャッシュブロックのハッシュリストの中継依頼を受けました");
return cache.CacheBlockHash;
}
}
catch (EndpointNotFoundException ex)
{
continue;
}
catch (TimeoutException ex)
{
continue;
}
catch (FaultException ex)
{
continue;
}
catch (CommunicationException ex)
{
continue;
}
catch (NullReferenceException ex)
{
continue;
}
catch (ArgumentNullException ex)
{
continue;
}
catch (ApplicationException ex)
{
continue;
}
finally
{
if (proxy != null)
{
try
{
((IClientChannel)proxy).Close();
}
catch
{
((IClientChannel)proxy).Abort();
}
}
}
}
}
return null;
}
/// <summary>
/// Cacheを追加します
/// </summary>
public void Add(Cache item, Node node)
{
if (item == null) return;
if (item.Key == null) return;
Key key = item.Key;
key.FileLocation = node;
key.KeyCreateTime = DateTime.Now;
key.CacheBlockBitmap = new bool[item.CacheBlockHash.Length];
string stringHash = BinaryEditor.BytesToHexString(item.Hash);
for (int i = 0; i < item.CacheBlockHash.Length; i++)
{
if (Settings.Default._cacheController.ContainsKey(stringHash) && Settings.Default._cacheController[stringHash][i] != null)
{
key.CacheBlockBitmap[i] = true;
}
}
lock (_myReviewDic)
{
string stringSignatureHash = BinaryEditor.BytesToHexString(item.SignatureHash);
if (_myReviewDic.ContainsKey(stringSignatureHash))
key.Review = _myReviewDic[stringSignatureHash];
}
this.Add(key);
}
