private void InitBlockInfo()
{
if (BlockSum == 1)
{
FileBlock block = new FileBlock(0L, FileLength);
block.IsLastBlock = true;
BlockList.Add(block);
return;
}
else
{
long blockSize = FileLength / (long)BlockSum;
long lastBlockSize = blockSize + (FileLength % (long)BlockSum);//余下部分由最后一个线程下载
for (int i = 0; i < BlockSum; ++i)
{
FileBlock block;
if (i == 0)
{
block = new FileBlock(0L, blockSize);
}
else if (i == BlockSum - 1)
{
block = new FileBlock((long)i * blockSize, lastBlockSize);
block.IsLastBlock = true;
}
else
{
block = new FileBlock((long)i * blockSize, blockSize);
}
BlockList.Add(block);
}
}
}
public bool Load(string strPath)
{
Stream readStream = null;
BinaryReader binaryReader = null;
try
{
readStream = new FileStream(strPath, FileMode.Open, FileAccess.Read);
binaryReader = new BinaryReader(readStream);
Link = binaryReader.ReadString();
FileName = binaryReader.ReadString();
FileLength = binaryReader.ReadInt64();
SumDownloadedSize = binaryReader.ReadInt64();
BlockSum = binaryReader.ReadInt32();
SupportResume = binaryReader.ReadBoolean();
Scheme = binaryReader.ReadString();
UserName = binaryReader.ReadString();
Password = binaryReader.ReadString();
for (int i = 0; i < BlockSum; ++i)
{
FileBlock block = new FileBlock();
block.StartIndex = binaryReader.ReadInt64();
block.BlockSize = binaryReader.ReadInt64();
block.DownloadedSize = binaryReader.ReadInt64();
block.IsLastBlock = binaryReader.ReadBoolean();
block.Completed = binaryReader.ReadBoolean();
BlockList.Add(block);
}
}
catch (EndOfStreamException)
{
#if DEBUG
Debug.WriteLine("The end of the stream is reached.");
#endif
}
catch (FileNotFoundException ex)
{
MessageBox.Show(ex.Message);
return(false);
}
catch (ArgumentException ex)
{
MessageBox.Show(ex.Message);
}
finally
{
if (readStream != null && binaryReader != null)
{
binaryReader.Close();
}
else if (readStream != null)
{
readStream.Close();
}
}
#if DEBUG
Debug.WriteLine("读取配置文件完毕！");
#endif
return(true);
}
