public void SimpleSendToken(IoStream f, int token, MapFile buf, int offset, int n)
{
if (n > 0)
{
var l = 0;
while (l < n)
{
var n1 = Math.Min(Match.ChunkSize, n - l);
f.WriteInt(n1);
var off = buf.MapPtr(offset + l, n1);
f.Write(buf.P, off, n1);
l += n1;
}
}
if (token != -2)
{
f.WriteInt(-(token + 1));
}
}
public void GenerateAndSendSums(Stream fd, long len, IoStream f, Stream fCopy)
{
long i;
MapFile mapBuf;
var sum = new SumStruct();
long offset = 0;
SumSizesSqroot(sum, (UInt64)len);
if (len > 0)
{
mapBuf = new MapFile(fd, (int)len, Options.MaxMapSize, (int)sum.BLength);
}
else
{
mapBuf = null;
}
WriteSumHead(f, sum);
for (i = 0; i < sum.Count; i++)
{
var n1 = (UInt32)Math.Min(len, sum.BLength);
var off = mapBuf.MapPtr((int)offset, (int)n1);
var map = mapBuf.P;
var sum1 = CheckSum.GetChecksum1(map, off, (int)n1);
var sum2 = new byte[CheckSum.SumLength];
sum2 = _checkSum.GetChecksum2(map, off, (int)n1);
if (_options.Verbose > 3)
{
Log.WriteLine("chunk[" + i + "] offset=" + offset + " len=" + n1 + " sum1=" + sum1);
}
f.WriteInt((int)sum1);
f.Write(sum2, 0, sum.S2Length);
len -= n1;
offset += n1;
}
if (mapBuf != null)
{
mapBuf = null;
}
}
public void MatchSums(IoStream f, SumStruct s, MapFile buf, int len)
{
var fileSum = new byte[CheckSum.Md4SumLength];
_lastMatch = 0;
_falseAlarms = 0;
_tagHits = 0;
_matches = 0;
_dataTransfer = 0;
var sum = new Sum(_options);
sum.Init(_options.ChecksumSeed);
if (len > 0 && s.Count > 0)
{
BuildHashTable(s);
if (_options.Verbose > 2)
{
Log.WriteLine("built hash table");
}
HashSearch(f, s, buf, len, sum);
if (_options.Verbose > 2)
{
Log.WriteLine("done hash search");
}
}
else
{
for (var j = 0; j < len - ChunkSize; j += ChunkSize)
{
var n1 = Math.Min(ChunkSize, (len - ChunkSize) - j);
Matched(f, s, buf, j + n1, -2, sum);
}
Matched(f, s, buf, len, -1, sum);
}
fileSum = sum.End();
if (buf != null && buf.Status)
{
fileSum[0]++;
}
if (_options.Verbose > 2)
{
Log.WriteLine("sending fileSum");
}
f.Write(fileSum, 0, CheckSum.Md4SumLength);
_targets.Clear();
if (_options.Verbose > 2)
{
Log.WriteLine("falseAlarms=" + _falseAlarms + " tagHits=" + _tagHits + " matches=" + _matches);
}
_totalTagHits += _tagHits;
_totalFalseAlarms += _falseAlarms;
_totalMatches += _matches;
Options.Stats.LiteralData += _dataTransfer;
}
public void SendFileEntry(FileStruct file, IoStream ioStream, UInt32 baseflags)
{
var flags = baseflags;
int l1 = 0, l2 = 0;
if (ioStream == null)
{
return;
}
if (file == null)
{
ioStream.WriteByte(0);
_lastName = String.Empty;
return;
}
var fileName = file.GetFullName().Replace(":", String.Empty);
for (l1 = 0;
_lastName.Length > l1 && (fileName[l1] == _lastName[l1]) && (l1 < 255);
l1++)
{
}
l2 = fileName.Substring(l1).Length;
flags |= Options.XmitSameName;
if (l2 > 255)
{
flags |= Options.XmitLongName;
}
if (_options.ProtocolVersion >= 28)
{
if (flags == 0 && !Util.S_ISDIR(file.Mode))
{
flags |= Options.XmitTopDir;
}
/*if ((flags & 0xFF00) > 0 || flags == 0)
* {
* flags |= Options.XMIT_EXTENDED_FLAGS;
* f.writeByte((byte)flags);
* f.writeByte((byte)(flags >> 8));
* }
* else */
ioStream.WriteByte((byte)flags);
}
else
{
if ((flags & 0xFF) == 0 && !Util.S_ISDIR(file.Mode))
{
flags |= Options.XmitTopDir;
}
if ((flags & 0xFF) == 0)
{
flags |= Options.XmitLongName;
}
ioStream.WriteByte((byte)flags);
}
if ((flags & Options.XmitSameName) != 0)
{
ioStream.WriteByte((byte)l1);
}
if ((flags & Options.XmitLongName) != 0)
{
ioStream.WriteInt(l2);
}
else
{
ioStream.WriteByte((byte)l2);
}
var b = Encoding.ASCII.GetBytes(fileName);
ioStream.Write(b, l1, l2);
ioStream.WriteLongInt(file.Length);
if ((flags & Options.XmitSameTime) == 0)
{
ioStream.WriteInt(file.ModTime.Second);
}
if ((flags & Options.XmitSameMode) == 0)
{
ioStream.WriteInt((int)file.Mode);
}
if (_options.PreserveUid && (flags & Options.XmitSameUid) == 0)
{
ioStream.WriteInt(file.Uid);
}
if (_options.PreserveGid && (flags & Options.XmitSameGid) == 0)
{
ioStream.WriteInt(file.Gid);
}
if (_options.AlwaysChecksum)
{
byte[] sum;
if (!Util.S_ISDIR(file.Mode))
{
sum = file.Sum;
}
else if (_options.ProtocolVersion < 28)
{
sum = new byte[16];
}
else
{
sum = null;
}
if (sum != null)
{
ioStream.Write(sum, 0, _options.ProtocolVersion < 21 ? 2 : CheckSum.Md4SumLength);
}
}
_lastName = fileName;
}