public void Communication()
{
lock (_downloadNodeHash)
{
_downloadNodeHash.Add(key.FileLocation.NodeID);
}
NodeListViewItem nlvi = null;
string stringHash = "";
int i = -1;
IFileShareService proxy = null;
try
{
stringHash = BinaryEditor.BytesToHexString(item.Hash);
Cache cache;
lock (Settings.Default._cacheController.CacheList)
{
cache = Settings.Default._cacheController.CacheList.
FirstOrDefault(n => BinaryEditor.ArrayEquals(n.SignatureHash, item.SignatureHash));
}
lock (_downloadBlockDic)
{
if (!_downloadBlockDic.ContainsKey(stringHash))
_downloadBlockDic.Add(stringHash, new List<int>());
}
nlvi = new NodeListViewItem()
{
CommunicationType = "download",
Description = "キャッシュブロックを受信しています",
Node = key.FileLocation,
};
NodeShowAdd(this, nlvi);
using (ChannelFactory<IFileShareService> channel = new ChannelFactory<IFileShareService>("Tcp_Client", key.FileLocation.Endpoint))
{
proxy = channel.CreateChannel();
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);
}
}
for (; ; )
{
lock (_downloadBlockDic)
{
List<int> bmp = new List<int>();
for (int j = 0; j < item.CacheBlockLength; j++)
{
if ((!Settings.Default._cacheController.ContainsKey(stringHash) ||
Settings.Default._cacheController[stringHash][j] == null) && key.CacheBlockBitmap[j] == true &&
!_downloadBlockDic[stringHash].Any(n => n == j))
{
bmp.Add(j);
}
}
if (bmp.Count == 0) return;
i = bmp[new Random().Next(bmp.Count)];
_downloadBlockDic[stringHash].Add(i);
}
byte[] block = proxy.GetCacheBlock(item.Hash, i);
DebugWrite(this, "download成功：キャッシュブロックのダウンロードに成功しました");
if (block != null)
Settings.Default._cacheController[cache, i] = block;
lock (_downloadBlockDic)
{
_downloadBlockDic[stringHash].Remove(i);
}
}
}
}
catch (EndpointNotFoundException ex)
{
Debug.WriteLine("DownloadCommunication" + ex.Message);
}
catch (TimeoutException ex)
{
Debug.WriteLine("DownloadCommunication" + ex.Message);
}
catch (FaultException ex)
{
Debug.WriteLine("DownloadCommunication" + ex.Message);
}
catch (CommunicationException ex)
{
Debug.WriteLine("DownloadCommunication" + ex.Message);
}
catch (NullReferenceException ex)
{
Debug.WriteLine("DownloadCommunication" + ex.Message);
}
catch (ArgumentNullException ex)
{
Debug.WriteLine("DownloadCommunication" + ex.Message);
}
catch (ArgumentException ex)
{
Debug.WriteLine("DownloadCommunication" + ex.Message);
}
catch (ApplicationException ex)
{
DebugWrite(this, "DownloadCommunication：" + ex.Message);
Debug.WriteLine("DownloadCommunication" + ex.Message);
}
finally
{
if (proxy != null)
{
try
{
((IClientChannel)proxy).Close();
}
catch
{
((IClientChannel)proxy).Abort();
}
}
lock (_downloadBlockDic)
{
if (i != -1)
_downloadBlockDic[stringHash].Remove(i);
}
if (nlvi != null)
NodeShowRemove(this, nlvi);
lock (_downloadNodeHash)
{
_downloadNodeHash.RemoveAll(n => BinaryEditor.ArrayEquals(n, key.FileLocation.NodeID));
}
}
}