public bool ReceiveData(ClientInfo cInfo, string fileNameR, Stream fdR, long sizeR, string fileName, Stream fd, int totalSize)
{
IOStream f = cInfo.IoStream;
byte[] file_sum1 = new byte[CheckSum.MD4_SUM_LENGTH];
byte[] file_sum2 = new byte[CheckSum.MD4_SUM_LENGTH];
byte[] data = new byte[Match.CHUNK_SIZE];
SumStruct sum = new SumStruct();
MapFile mapBuf = null;
Sender sender = new Sender(options);
sender.ReadSumHead(cInfo, ref sum);
int offset = 0;
UInt32 len;
if (fdR != null && sizeR > 0)
{
int mapSize = (int)Math.Max(sum.bLength * 2, 16 * 1024);
mapBuf = new MapFile(fdR, (int)sizeR, mapSize, (int)sum.bLength);
if (options.verbose > 2)
{
Log.WriteLine("recv mapped " + fileNameR + " of size " + sizeR);
}
;
}
Sum s = new Sum(options);
s.Init(options.checksumSeed);
int i;
Token token = new Token(options);
while ((i = token.ReceiveToken(f, ref data, 0)) != 0)
{
if (options.doProgress)
{
Progress.ShowProgress(offset, totalSize);
}
if (i > 0)
{
if (options.verbose > 3)
{
Log.WriteLine("data recv " + i + " at " + offset);
}
Options.stats.literalData += i;
s.Update(data, 0, i);
if (fd != null && FileIO.WriteFile(fd, data, 0, i) != i)
{
goto report_write_error;
}
offset += i;
continue;
}
i = -(i + 1);
int offset2 = (int)(i * sum.bLength);
len = sum.bLength;
if (i == sum.count - 1 && sum.remainder != 0)
{
len = sum.remainder;
}
Options.stats.matchedData += len;
if (options.verbose > 3)
{
Log.WriteLine("chunk[" + i + "] of size " + len + " at " + offset2 + " offset=" + offset);
}
byte[] map = null;
int off = 0;
if (mapBuf != null)
{
off = mapBuf.MapPtr(offset2, (int)len);
map = mapBuf.p;
token.SeeToken(map, offset, (int)len);
s.Update(map, off, (int)len);
}
if (options.inplace)
{
if (offset == offset2 && fd != null)
{
offset += (int)len;
if (fd.Seek(len, SeekOrigin.Current) != offset)
{
MainClass.Exit("seek failed on " + Util.fullFileName(fileName), cInfo);
}
continue;
}
}
if (fd != null && FileIO.WriteFile(fd, map, off, (int)len) != (int)len)
{
goto report_write_error;
}
offset += (int)len;
}
if (options.doProgress)
{
Progress.EndProgress(totalSize);
}
if (fd != null && offset > 0 && FileIO.SparseEnd(fd) != 0)
{
MainClass.Exit("write failed on " + Util.fullFileName(fileName), cInfo);
}
file_sum1 = s.End();
if (mapBuf != null)
{
mapBuf = null;
}
file_sum2 = f.ReadBuf(CheckSum.MD4_SUM_LENGTH);
if (options.verbose > 2)
{
Log.WriteLine("got fileSum");
}
if (fd != null && Util.MemCmp(file_sum1, 0, file_sum2, 0, CheckSum.MD4_SUM_LENGTH) != 0)
{
return(false);
}
return(true);
report_write_error:
{
MainClass.Exit("write failed on " + Util.fullFileName(fileName), cInfo);
}
return(true);
}