/// <summary>
/// 计算每个文件块的MD5值
/// </summary>
/// <param name="info"></param>
/// <param name="fs"></param>
/// <returns></returns>
private List <BlockTransferRequest> ClacFileEachBlockMd5(FileBlockInfo info, FileStream fs)
{
var position = fs.Position;
var list = new List <BlockTransferRequest>();
int sendBlockSize = info.BlockSize;
int blockIndex = 0;
while (fs.Position < fs.Length)
{
var r = new BlockTransferRequest()
{
FileName = info.FileName,
BlockIndex = blockIndex,
BlockSize = sendBlockSize,
SeekOffset = (int)fs.Position
};
byte[] buffer = new byte[sendBlockSize];
fs.Read(buffer, 0, buffer.Length);//read之后，Position会变,所以要先生成对象
r.BlockMd5 = Md5.GetMd5WithBytes(buffer);
list.Add(r);
blockIndex++;//增加索引序号,别漏了
if (sendBlockSize > fs.Length - fs.Position)
{
sendBlockSize = (int)(fs.Length - fs.Position);
}
}
fs.Position = position;
return(list);
}
public BlockTransferResponsed CheckBlockMessage(BlockTransferRequest blockMessage)
{
bool isError = true;
using (var fs = new FileStream(FileNameTools.GetDownloadingFullPath(blockMessage.FileName), FileMode.Open, FileAccess.ReadWrite))
{
try
{
byte[] buffer = new byte[blockMessage.BlockSize];
fs.Position = blockMessage.SeekOffset;
fs.Read(buffer, 0, buffer.Length);
string md5 = Md5.GetMd5WithBytes(buffer);
if (md5 == blockMessage.BlockMd5)
{
isError = false;
}
}
catch
{
// ignored
}
}
return(new BlockTransferResponsed()
{
IsError = isError
});
}
public BlockTransferResponsed UpdateFileBlockMessage(BlockTransferRequest blockMessage)
{
return(_proxy.UpdateFileBlockData(_targetPort, blockMessage));
}
public BlockTransferResponsed UpdateFileBlockMessage(BlockTransferRequest blockMessage)
{
return(Channel.UpdateFileBlockCheckMessage(blockMessage));
}
public Task <BlockTransferResponsed> UpdateFileBlockCheckMessageAsync(BlockTransferRequest blockMessage)
{
return(Channel.UpdateFileBlockCheckMessageAsync(blockMessage));
}
public BlockTransferResponsed UpdateFileBlockMessage(BlockTransferRequest blockMessage)
{
return(writer.CheckBlockMessage(blockMessage));
}
public BlockTransferResponsed TransferFileBlockMessage(BlockTransferRequest blockMessage)
{
return(_fileWriter.CheckBlockMessage(blockMessage));
}
public Task <BlockTransferResponsed> UpdateFileBlockDataAsync(int port, BlockTransferRequest request)
{
return(Channel.UpdateFileBlockDataAsync(port, request));
}
public BlockTransferResponsed UpdateFileBlockData(int port, BlockTransferRequest request)
{
return(Channel.UpdateFileBlockData(port, request));
}
public BlockTransferResponsed UpdateFileBlockMessage(BlockTransferRequest blockMessage)
{
return(_pushService.TransferFileBlockMessage(blockMessage));
}
/// <summary>
///
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public BlockTransferResponsed UpdateFileBlockData(int taskID, BlockTransferRequest request)
{
var sendAdapter = _remoteUpdateSenderAdapterDic[taskID];
return(sendAdapter.UpdateFileBlockMessage(request));
}
