public void SendToken(IOStream f, int token, MapFile buf, int offset, int n, int toklen)
{
if (!options.doCompression)
SimpleSendToken(f,token,buf,offset,n);
else
SendDeflatedToken(f, token, buf, offset, n, toklen);
}
/// <summary>
///
/// </summary>
/// <param name="fileName"></param>
/// <param name="sum"></param>
/// <param name="size"></param>
/// <returns></returns>
public bool FileCheckSum(string fileName, ref byte[] sum, int size)
{
int i;
MDFour mdFour = new MDFour(options);
sum = new byte[MD4_SUM_LENGTH];
try
{
using (var fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
MapFile buf = new MapFile(fileStream, size, Options.MAX_MAP_SIZE, CSUM_CHUNK);
mdFour.Begin();
for (i = 0; i + CSUM_CHUNK <= size; i += CSUM_CHUNK)
{
int offset = buf.MapPtr(i, CSUM_CHUNK);
mdFour.Update(buf.p, offset, CSUM_CHUNK);
}
if (size - i > 0 || options.protocolVersion >= 27)
{
int offset = buf.MapPtr(i, size - i);
mdFour.Update(buf.p, offset, (UInt32)(size - i));
}
sum = mdFour.Result();
fileStream.Close();
//buf.UnMapFile(); //@fixed useless string
return(true);
}
}
catch (Exception)
{
}
return(false);
}
public bool FileCheckSum(string fileName, ref byte[] sum, int size)
{
int i;
MDFour m = new MDFour(options);
sum = new byte[MD4_SUM_LENGTH];
Stream fd;
try
{
fd = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);
} catch (Exception)
{
return(false);
}
MapFile buf = new MapFile(fd, size, Options.MAX_MAP_SIZE, CSUM_CHUNK);
m.Begin();
for (i = 0; i + CSUM_CHUNK <= size; i += CSUM_CHUNK)
{
int offset = buf.MapPtr(i, CSUM_CHUNK);
m.Update(buf.p, offset, CSUM_CHUNK);
}
if (size - i > 0 || options.protocolVersion >= 27)
{
int offset = buf.MapPtr(i, size - i);
m.Update(buf.p, offset, (UInt32)(size - i));
}
sum = m.Result();
fd.Close();
buf.UnMapFile();
return(true);
}
public void SendDeflatedToken(IoStream f, int token, MapFile buf, int offset, int nb, int toklen)
{
}
public bool ReceiveData(ClientInfo clientInfo, string fileNameR, Stream fdR, long sizeR, string fileName, Stream fd, int totalSize)
{
IOStream f = clientInfo.IoStream;
byte[] fileSum1 = new byte[CheckSum.MD4_SUM_LENGTH];
byte[] fileSum2 = new byte[CheckSum.MD4_SUM_LENGTH];
byte[] data = new byte[Match.CHUNK_SIZE];
SumStruct sumStruct = new SumStruct();
MapFile mapBuf = null;
Sender sender = new Sender(options);
sender.ReadSumHead(clientInfo, ref sumStruct);
int offset = 0;
UInt32 len;
if (fdR != null && sizeR > 0)
{
int mapSize = (int)Math.Max(sumStruct.bLength * 2, 16 * 1024);
mapBuf = new MapFile(fdR, (int)sizeR, mapSize, (int)sumStruct.bLength);
if (options.verbose > 2)
{
Log.WriteLine("recv mapped " + fileNameR + " of size " + sizeR);
}
}
Sum sum = new Sum(options);
sum.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;
sum.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 * sumStruct.bLength);
len = sumStruct.bLength;
if (i == sumStruct.count - 1 && sumStruct.remainder != 0)
{
len = sumStruct.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);
sum.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), clientInfo);
}
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), clientInfo);
}
fileSum1 = sum.End();
if (mapBuf != null)
{
mapBuf = null;
}
fileSum2 = f.ReadBuffer(CheckSum.MD4_SUM_LENGTH);
if (options.verbose > 2)
{
Log.WriteLine("got fileSum");
}
if (fd != null && Util.MemoryCompare(fileSum1, 0, fileSum2, 0, CheckSum.MD4_SUM_LENGTH) != 0)
{
return(false);
}
return(true);
report_write_error:
{
MainClass.Exit("write failed on " + Util.fullFileName(fileName), clientInfo);
}
return(true);
}
public void MatchSums(IOStream f, SumStruct s, MapFile buf, int len)
{
byte[] fileSum = new byte[CheckSum.MD4_SUM_LENGTH];
lastMatch = 0;
falseAlarms = 0;
tagHits = 0;
matches = 0;
dataTransfer = 0;
Sum 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 (int j = 0; j < len - CHUNK_SIZE; j += CHUNK_SIZE)
{
int n1 = Math.Min(CHUNK_SIZE, (len - CHUNK_SIZE) - 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.MD4_SUM_LENGTH);
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 Matched(IOStream f, SumStruct s, MapFile buf, int offset, int i, Sum sum)
{
int n = offset - lastMatch;
int j;
if (options.verbose > 2 && i >= 0)
Log.WriteLine("match at " + offset +" last_match=" + lastMatch + " j=" + i + " len=" + s.sums[i].len + " n=" + n);
Token token = new Token(options);
token.SendToken(f,i,buf,lastMatch,n,(int)(i<0?0:s.sums[i].len));
dataTransfer += n;
if (i >= 0)
{
Options.stats.matchedData += s.sums[i].len;
n += (int)s.sums[i].len;
}
for (j = 0; j < n; j += CHUNK_SIZE)
{
int n1 = Math.Min(CHUNK_SIZE,n-j);
int off = buf.MapPtr(lastMatch + j, n1);
sum.Update(buf.p , off, n1);
}
if (i >= 0)
lastMatch = (int)(offset + s.sums[i].len);
else
lastMatch = offset;
if (buf != null && options.doProgress)
{
Progress.ShowProgress(lastMatch, buf.fileSize);
if (i == -1)
Progress.EndProgress(buf.fileSize);
}
}
/// <summary>
/// Reads socket into buffer
/// </summary>
/// <param name="buffer"></param>
/// <param name="offset"></param>
/// <param name="count"></param>
/// <returns></returns>
public int ReadSocketUnbuffered(byte[] buffer, int offset, int count)
{
int tag, result = 0;
byte[] line = new byte[1024];
if (IOBufIn == null)
{
return(socketIn.Read(buffer, offset, count));
}
if (!IOMultiplexingIn && remaining == 0)
{
Flush();
remaining = socketIn.Read(IOBufIn, 0, IOBufInSize);
IOBufInIndex = 0;
}
while (result == 0)
{
if (remaining != 0)
{
count = Math.Min(count, remaining);
Util.MemoryCopy(buffer, offset, IOBufIn, IOBufInIndex, count);
IOBufInIndex += count;
remaining -= count;
result = count;
break;
}
ReadLoop(line, 4);
tag = (int)IVAL(line, 0);
remaining = tag & 0xFFFFFF;
tag = (tag >> 24) - MPLEX_BASE;
switch ((MsgCode)tag)
{
case MsgCode.MSG_DATA:
if (remaining > IOBufInSize)
{
MapFile.ExtendArray(ref IOBufIn, remaining);
IOBufInSize = remaining;
}
ReadLoop(IOBufIn, remaining);
IOBufInIndex = 0;
break;
case MsgCode.MSG_INFO:
case MsgCode.MSG_ERROR:
if (remaining >= line.Length)
{
throw new Exception("Multiplexing overflow " + tag + ":" + remaining);
}
ReadLoop(line, remaining);
remaining = 0;
break;
default:
throw new Exception("Read unknown message from stream");
}
}
if (remaining == 0)
{
Flush();
}
return(result);
}
public bool ReceiveData(ClientInfo clientInfo, string fileNameR, Stream fdR, long sizeR, string fileName, Stream fd, int totalSize)
{
IOStream f = clientInfo.IoStream;
byte[] fileSum1 = new byte[CheckSum.MD4_SUM_LENGTH];
byte[] fileSum2 = new byte[CheckSum.MD4_SUM_LENGTH];
byte[] data = new byte[Match.CHUNK_SIZE];
SumStruct sumStruct = new SumStruct();
MapFile mapBuf = null;
Sender sender = new Sender(options);
sender.ReadSumHead(clientInfo, ref sumStruct);
int offset = 0;
UInt32 len;
if (fdR != null && sizeR > 0)
{
int mapSize = (int)Math.Max(sumStruct.bLength * 2, 16 * 1024);
mapBuf = new MapFile(fdR, (int)sizeR, mapSize, (int)sumStruct.bLength);
if (options.verbose > 2)
{
Log.WriteLine("recv mapped " + fileNameR + " of size " + sizeR);
}
}
Sum sum = new Sum(options);
sum.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;
sum.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 * sumStruct.bLength);
len = sumStruct.bLength;
if (i == sumStruct.count - 1 && sumStruct.remainder != 0)
{
len = sumStruct.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);
sum.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), clientInfo);
}
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), clientInfo);
}
fileSum1 = sum.End();
if (mapBuf != null)
{
mapBuf = null;
}
fileSum2 = f.ReadBuffer(CheckSum.MD4_SUM_LENGTH);
if (options.verbose > 2)
{
Log.WriteLine("got fileSum");
}
if (fd != null && Util.MemoryCompare(fileSum1, 0, fileSum2, 0, CheckSum.MD4_SUM_LENGTH) != 0)
{
return false;
}
return true;
report_write_error:
{
MainClass.Exit("write failed on " + Util.fullFileName(fileName), clientInfo);
}
return true;
}
public void SendFiles(List <FileStruct> fileList, ClientInfo clientInfo)
{
ShowMessage("Processing...");
try
{
var ioStream = clientInfo.IoStream;
string fileName = String.Empty, fileName2 = String.Empty;
SumStruct s = null;
var phase = 0;
var saveMakeBackups = _options.MakeBackups;
var match = new Match(_options);
if (_options.Verbose > 2)
{
Log.WriteLine("SendFiles starting");
}
while (true)
{
fileName = String.Empty;
var i = ioStream.ReadInt();
if (i == -1)
{
if (phase == 0)
{
phase++;
_checkSum.Length = CheckSum.SumLength;
ioStream.WriteInt(-1);
if (_options.Verbose > 2)
{
Log.WriteLine("SendFiles phase=" + phase);
}
_options.MakeBackups = false;
continue;
}
break;
}
if (i < 0 || i >= fileList.Count)
{
WinRsync.Exit("Invalid file index " + i + " (count=" + fileList.Count + ")", clientInfo);
}
var file = fileList[i];
Options.Stats.CurrentFileIndex = i;
Options.Stats.NumTransferredFiles++;
Options.Stats.TotalTransferredSize += file.Length;
if (!string.IsNullOrEmpty(file.BaseDir))
{
fileName = file.BaseDir;
if (!fileName.EndsWith("/"))
{
fileName += "/";
}
}
fileName2 = file.GetFullName();
fileName += file.GetFullName();
ShowMessage("uploading " + fileName);
if (_options.Verbose > 2)
{
Log.WriteLine("sendFiles(" + i + ", " + fileName + ")");
}
if (_options.DryRun)
{
if (!_options.AmServer && _options.Verbose != 0)
{
Log.WriteLine(fileName2);
}
ioStream.WriteInt(i);
continue;
}
var initialStats = Options.Stats;
s = ReceiveSums(clientInfo);
Stream fd;
try
{
fd = new FileStream(fileName, FileMode.Open, FileAccess.Read);
}
catch (FileNotFoundException)
{
Log.WriteLine("file has vanished: " + Util.FullFileName(fileName));
s = null;
continue;
}
catch (Exception)
{
Log.WriteLine("SendFiles failed to open " + Util.FullFileName(fileName));
s = null;
continue;
}
var st = new FStat();
var fi = new FileInfo(fileName);
// TODO: path length
st.MTime = fi.LastWriteTime;
// TODO: path length
st.Size = fi.Length;
MapFile mbuf = null;
if (st.Size != 0)
{
var mapSize = (int)Math.Max(s.BLength * 3, Options.MaxMapSize);
mbuf = new MapFile(fd, (int)st.Size, mapSize, (int)s.BLength);
}
if (_options.Verbose > 2)
{
Log.WriteLine("SendFiles mapped " + fileName + " of size " + st.Size);
}
ioStream.WriteInt(i);
var gen = new Generator(_options);
gen.WriteSumHead(ioStream, s);
if (_options.Verbose > 2)
{
Log.WriteLine("calling MatchSums " + fileName);
}
if (!_options.AmServer && _options.Verbose != 0)
{
Log.WriteLine(fileName2);
}
var token = new Token(_options);
token.SetCompression(fileName);
match.MatchSums(ioStream, s, mbuf, (int)st.Size);
Log.LogSend(file, initialStats);
if (mbuf != null)
{
var j = mbuf.UnMapFile();
if (j)
{
Log.WriteLine("read errors mapping " + Util.FullFileName(fileName));
}
}
fd.Close();
s.Sums = null;
if (_options.Verbose > 2)
{
Log.WriteLine("sender finished " + fileName);
}
}
_options.MakeBackups = saveMakeBackups;
if (_options.Verbose > 2)
{
Log.WriteLine("send files finished");
}
match.MatchReport(ioStream);
ioStream.WriteInt(-1);
}
finally
{
HideMessage();
}
}
public void GenerateAndSendSums(Stream fd, long len, IOStream f, Stream fCopy)
{
long i;
MapFile mapBuf;
SumStruct sum = new SumStruct();
long offset = 0;
SumSizesSqroot(sum, (UInt64)len);
if (len > 0)
{
mapBuf = new MapFile(fd, (int)len, Options.MAX_MAP_SIZE, (int)sum.bLength);
}
else
{
mapBuf = null;
}
WriteSumHead(f, sum);
for (i = 0; i < sum.count; i++)
{
UInt32 n1 = (UInt32)Math.Min(len, sum.bLength);
int off = mapBuf.MapPtr((int)offset, (int)n1);
byte[] map = mapBuf.p;
UInt32 sum1 = CheckSum.GetChecksum1(map, off, (int)n1);
byte[] sum2 = new byte[CheckSum.SUM_LENGTH];
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;
}
}
/// <summary>
///
/// </summary>
/// <param name="fileName"></param>
/// <param name="sum"></param>
/// <param name="size"></param>
/// <returns></returns>
public bool FileCheckSum(string fileName, ref byte[] sum, int size)
{
int i;
MDFour mdFour = new MDFour(options);
sum = new byte[MD4_SUM_LENGTH];
try
{
using (var fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
MapFile buf = new MapFile(fileStream, size, Options.MAX_MAP_SIZE, CSUM_CHUNK);
mdFour.Begin();
for (i = 0; i + CSUM_CHUNK <= size; i += CSUM_CHUNK)
{
int offset = buf.MapPtr(i, CSUM_CHUNK);
mdFour.Update(buf.p, offset, CSUM_CHUNK);
}
if (size - i > 0 || options.protocolVersion >= 27)
{
int offset = buf.MapPtr(i, size - i);
mdFour.Update(buf.p, offset, (UInt32)(size - i));
}
sum = mdFour.Result();
fileStream.Close();
//buf.UnMapFile(); //@fixed useless string
return true;
}
}
catch (Exception)
{
}
return false;
}
/// <summary>
/// Reads socket into buffer
/// </summary>
/// <param name="buffer"></param>
/// <param name="offset"></param>
/// <param name="count"></param>
/// <returns></returns>
public int ReadSocketUnbuffered(byte[] buffer, int offset, int count)
{
int tag, result = 0;
var line = new byte[1024];
if (_ioBufIn == null)
{
return(_socketIn.Read(buffer, offset, count));
}
if (!_ioMultiplexingIn && _remaining == 0)
{
Flush();
_remaining = _socketIn.Read(_ioBufIn, 0, _ioBufInSize);
_ioBufInIndex = 0;
}
while (result == 0)
{
if (_remaining != 0)
{
count = Math.Min(count, _remaining);
Util.MemoryCopy(buffer, offset, _ioBufIn, _ioBufInIndex, count);
_ioBufInIndex += count;
_remaining -= count;
result = count;
break;
}
ReadLoop(line, 4);
tag = (int)Ival(line, 0);
_remaining = tag & 0xFFFFFF;
tag = (tag >> 24) - MplexBase;
switch ((MsgCode)tag)
{
case MsgCode.MsgData:
if (_remaining > _ioBufInSize)
{
MapFile.ExtendArray(ref _ioBufIn, _remaining);
_ioBufInSize = _remaining;
}
ReadLoop(_ioBufIn, _remaining);
_ioBufInIndex = 0;
break;
case MsgCode.MsgInfo:
case MsgCode.MsgError:
if (_remaining >= line.Length)
{
throw new Exception("Multiplexing overflow " + tag + ":" + _remaining);
}
ReadLoop(line, _remaining);
_remaining = 0;
break;
default:
throw new Exception("Read unknown message from stream");
}
}
if (_remaining == 0)
{
Flush();
}
return(result);
}
public int ReadfdUnbuffered(byte[] data, int off, int len)
{
int tag, ret = 0;
byte[] line = new byte[1024];
if (iobuf_in == null)
{
return(sockIn.Read(data, off, len));
}
if (!IOMultiplexingIn && remaining == 0)
{
Flush();
remaining = sockIn.Read(iobuf_in, 0, iobuf_in_siz);
iobuf_in_ndx = 0;
}
while (ret == 0)
{
if (remaining != 0)
{
len = Math.Min(len, remaining);
Util.MemCpy(data, off, iobuf_in, iobuf_in_ndx, len);
iobuf_in_ndx += len;
remaining -= len;
ret = len;
break;
}
ReadLoop(line, 4);
tag = (int)IVAL(line, 0);
remaining = tag & 0xFFFFFF;
tag = (tag >> 24) - MPLEX_BASE;
switch ((MsgCode)tag)
{
case MsgCode.MSG_DATA:
if (remaining > iobuf_in_siz)
{
MapFile.ReallocArray(ref iobuf_in, remaining);
iobuf_in_siz = remaining;
}
ReadLoop(iobuf_in, remaining);
iobuf_in_ndx = 0;
break;
case MsgCode.MSG_INFO:
case MsgCode.MSG_ERROR:
if (remaining >= line.Length)
{
throw new Exception("multiplexing overflow " + tag + ":" + remaining);
}
ReadLoop(line, remaining);
remaining = 0;
break;
default:
throw new Exception("Read unknown message from stream");
break;
}
}
if (remaining == 0)
{
Flush();
}
return(ret);
}
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 HashSearch(IoStream f, SumStruct s, MapFile buf, int len, Sum _sum)
{
int offset, end, backup;
UInt32 k;
int wantI;
var sum2 = new byte[CheckSum.SumLength];
UInt32 s1, s2, sum;
int more;
byte[] map;
wantI = 0;
if (_options.Verbose > 2)
{
Log.WriteLine("hash search ob=" + s.BLength + " len=" + len);
}
k = (UInt32)Math.Min(len, s.BLength);
var off = buf.MapPtr(0, (int)k);
map = buf.P;
var g = s.Sums[0].Sum1;
sum = CheckSum.GetChecksum1(map, off, (int)k);
s1 = sum & 0xFFFF;
s2 = sum >> 16;
if (_options.Verbose > 3)
{
Log.WriteLine("sum=" + sum + " k=" + k);
}
offset = 0;
end = (int)(len + 1 - s.Sums[s.Count - 1].Len);
if (_options.Verbose > 3)
{
Log.WriteLine("hash search s.bLength=" + s.BLength + " len=" + len + " count=" + s.Count);
}
do
{
var t = GetTag2(s1, s2);
var doneCsum2 = false;
var j = _tagTable[t];
if (_options.Verbose > 4)
{
Log.WriteLine("offset=" + offset + " sum=" + sum);
}
if (j == NullTag)
{
goto null_tag;
}
sum = (s1 & 0xffff) | (s2 << 16);
_tagHits++;
do
{
UInt32 l;
var i = _targets[j].I;
if (sum != s.Sums[i].Sum1)
{
continue;
}
l = (UInt32)Math.Min(s.BLength, len - offset);
if (l != s.Sums[i].Len)
{
continue;
}
if (_options.Verbose > 3)
{
Log.WriteLine("potential match at " + offset + " target=" + j + " " + i + " sum=" + sum);
}
if (!doneCsum2)
{
off = buf.MapPtr(offset, (int)l);
map = buf.P;
var cs = new CheckSum(_options);
sum2 = cs.GetChecksum2(map, off, (int)l);
doneCsum2 = true;
}
if (Util.MemoryCompare(sum2, 0, s.Sums[i].Sum2, 0, s.S2Length) != 0)
{
_falseAlarms++;
continue;
}
if (i != wantI && wantI < s.Count &&
(!_options.Inplace || _options.MakeBackups || s.Sums[wantI].Offset >= offset ||
(s.Sums[wantI].Flags & SumflgSameOffset) != 0) &&
sum == s.Sums[wantI].Sum1 &&
Util.MemoryCompare(sum2, 0, s.Sums[wantI].Sum2, 0, s.S2Length) == 0)
{
i = wantI;
}
//set_want_i:
wantI = i + 1;
Matched(f, s, buf, offset, i, _sum);
offset += (int)(s.Sums[i].Len - 1);
k = (UInt32)Math.Min(s.BLength, len - offset);
off = buf.MapPtr(offset, (int)k);
sum = CheckSum.GetChecksum1(map, off, (int)k);
s1 = sum & 0xFFFF;
s2 = sum >> 16;
_matches++;
break;
} while (++j < s.Count && _targets[j].T == t);
null_tag:
backup = offset - _lastMatch;
if (backup < 0)
{
backup = 0;
}
more = (offset + k) < len ? 1 : 0;
off = buf.MapPtr(offset - backup, (int)(k + more + backup)) + backup;
s1 -= (UInt32)(CheckSum.ToInt(map[off]) + CheckSum.CharOffset);
s2 -= (UInt32)(k * CheckSum.ToInt(map[off]) + CheckSum.CharOffset);
off = (k + off >= map.Length) ? (int)(map.Length - k - 1) : off;
if (more != 0)
{
s1 += (UInt32)(CheckSum.ToInt(map[k + off]) + CheckSum.CharOffset);
s2 += s1;
}
else
{
--k;
}
if (backup >= ChunkSize + s.BLength && end - offset > ChunkSize)
{
Matched(f, s, buf, (int)(offset - s.BLength), -2, _sum);
}
} while (++offset < end);
Matched(f, s, buf, len, -1, _sum);
buf.MapPtr(len - 1, 1);
}
public void SendDeflatedToken(IOStream f, int token, MapFile buf, int offset, int nb, int toklen)
{
}
public void SendFiles(List <FileStruct> fileList, ClientInfo clientInfo)
{
ShowMessage("Processing...");
try
{
IOStream ioStream = clientInfo.IoStream;
string fileName = String.Empty, fileName2 = String.Empty;
SumStruct s = null;
int phase = 0;
bool saveMakeBackups = options.makeBackups;
Match match = new Match(options);
if (options.verbose > 2)
{
Log.WriteLine("SendFiles starting");
}
while (true)
{
fileName = String.Empty;
int i = ioStream.readInt();
if (i == -1)
{
if (phase == 0)
{
phase++;
checkSum.length = CheckSum.SUM_LENGTH;
ioStream.writeInt(-1);
if (options.verbose > 2)
{
Log.WriteLine("SendFiles phase=" + phase);
}
options.makeBackups = false;
continue;
}
break;
}
if (i < 0 || i >= fileList.Count)
{
MainClass.Exit("Invalid file index " + i + " (count=" + fileList.Count + ")", clientInfo);
}
FileStruct file = fileList[i];
Options.stats.currentFileIndex = i;
Options.stats.numTransferredFiles++;
Options.stats.totalTransferredSize += file.length;
if (!string.IsNullOrEmpty(file.baseDir))
{
fileName = file.baseDir;
if (!fileName.EndsWith("/"))
{
fileName += "/";
}
}
fileName2 = file.GetFullName();
fileName += file.GetFullName();
ShowMessage("uploading " + fileName);
if (options.verbose > 2)
{
Log.WriteLine("sendFiles(" + i + ", " + fileName + ")");
}
if (options.dryRun)
{
if (!options.amServer && options.verbose != 0)
{
Log.WriteLine(fileName2);
}
ioStream.writeInt(i);
continue;
}
Stats initialStats = Options.stats;
s = ReceiveSums(clientInfo);
Stream fd;
try
{
fd = new FileStream(fileName, FileMode.Open, FileAccess.Read);
}
catch (FileNotFoundException)
{
Log.WriteLine("file has vanished: " + Util.fullFileName(fileName));
s = null;
continue;
}
catch (Exception)
{
Log.WriteLine("SendFiles failed to open " + Util.fullFileName(fileName));
s = null;
continue;
}
FStat st = new FStat();
FileInfo fi = new FileInfo(fileName);
// TODO: path length
st.mTime = fi.LastWriteTime;
// TODO: path length
st.size = fi.Length;
MapFile mbuf = null;
if (st.size != 0)
{
int mapSize = (int)Math.Max(s.bLength * 3, Options.MAX_MAP_SIZE);
mbuf = new MapFile(fd, (int)st.size, mapSize, (int)s.bLength);
}
if (options.verbose > 2)
{
Log.WriteLine("SendFiles mapped " + fileName + " of size " + st.size);
}
ioStream.writeInt(i);
Generator gen = new Generator(options);
gen.WriteSumHead(ioStream, s);
if (options.verbose > 2)
{
Log.WriteLine("calling MatchSums " + fileName);
}
if (!options.amServer && options.verbose != 0)
{
Log.WriteLine(fileName2);
}
Token token = new Token(options);
token.SetCompression(fileName);
match.MatchSums(ioStream, s, mbuf, (int)st.size);
Log.LogSend(file, initialStats);
if (mbuf != null)
{
bool j = mbuf.UnMapFile();
if (j)
{
Log.WriteLine("read errors mapping " + Util.fullFileName(fileName));
}
}
fd.Close();
s.sums = null;
if (options.verbose > 2)
{
Log.WriteLine("sender finished " + fileName);
}
}
options.makeBackups = saveMakeBackups;
if (options.verbose > 2)
{
Log.WriteLine("send files finished");
}
match.MatchReport(ioStream);
ioStream.writeInt(-1);
}
finally
{
HideMessage();
}
}
public void SimpleSendToken(IOStream f,int token, MapFile buf, int offset, int n)
{
if (n > 0)
{
int l = 0;
while (l < n)
{
int n1 = Math.Min(Match.CHUNK_SIZE,n-l);
f.writeInt(n1);
int off = buf.MapPtr(offset + l, n1);
f.Write(buf.p, off, n1);
l += n1;
}
}
if (token != -2)
f.writeInt(-(token+1));
}
public static int RsyncModule(ClientInfo cInfo, int moduleNumber)
{
string path = Daemon.config.GetModule(moduleNumber).Path;
string name = Daemon.config.GetModuleName(moduleNumber);
IOStream f = cInfo.IoStream;
Options options = cInfo.Options;
string[] args = new string[Options.MAX_ARGS];
int argc = 0, maxargs = Options.MAX_ARGS;
string line = "";
if (path[0] == '/')
{
path = path.Remove(0, 1);
}
path = path.Replace("\n", "");
Access ac = new Access();
if (!ac.AllowAccess(options.remoteAddr, options.remoteHost, Daemon.config.GetHostsAllow(moduleNumber), Daemon.config.GetHostsDeny(moduleNumber)))
{
Log.Write("rsync denied on module " + name + " from " + options.remoteHost + " (" + options.remoteAddr + ")");
f.IOPrintf("@ERROR: access denied to " + name + " from " + options.remoteHost + " (" + options.remoteAddr + ")\n");
return(-1);
}
if (!Authentication.AuthServer(cInfo, moduleNumber, options.remoteAddr, "@RSYNCD: AUTHREQD "))
{
Log.Write("auth failed on module " + name + " from " + options.remoteHost + " (" + options.remoteAddr + ")\n");
f.IOPrintf("@ERROR: auth failed on module " + name + "\n");
return(-1);
}
// TODO: path length
if (FileSystem.Directory.Exists(path))
{
f.IOPrintf("@RSYNCD: OK\n");
}
else
{
try
{
// TODO: path length
FileSystem.Directory.CreateDirectory(path);
f.IOPrintf("@RSYNCD: OK\n");
}
catch (Exception) {
f.IOPrintf("@ERROR: Path not found\n");
MainClass.Exit("@ERROR: Path not found: " + path, cInfo);
}
}
options.amServer = true; //to fix error in SetupProtocol
options.dir = path;
while (true)
{
line = f.ReadLine();
line = line.Substring(0, line.Length - 1);
if (line.CompareTo("") == 0)
{
break;
}
if (argc == maxargs)
{
maxargs += Options.MAX_ARGS;
MapFile.ReallocArrayString(ref args, maxargs);
}
args[argc++] = line;
}
args[argc++] = path;
options.verbose = 0;
int argsNotUsed = CommandLineParser.ParseArguments(args, options);
if (argsNotUsed == -1)
{
MainClass.Exit("Error parsing options", cInfo);
}
string[] args2 = new string[argsNotUsed];
for (int i = 0; i < argsNotUsed; i++)
{
args2[i] = args[args.Length - argsNotUsed + i];
}
MainClass.SetupProtocol(cInfo);
f.IOStartMultiplexOut();
Daemon.StartServer(cInfo, args2);
return(-1);
}
/// <summary>
///
/// </summary>
/// <param name="clientInfo"></param>
/// <param name="moduleNumber"></param>
/// <returns></returns>
public static void RsyncModule(ClientInfo clientInfo, int moduleNumber)
//@fixed Why return something if result not used?
{
var path = Daemon.Config.GetModule(moduleNumber).Path;
var name = Daemon.Config.GetModuleName(moduleNumber);
var ioStream = clientInfo.IoStream;
var options = clientInfo.Options;
var args = new string[Options.MaxArgs];
int argc = 0, maxArgs = Options.MaxArgs;
var line = String.Empty;
if (path[0] == '/')
{
path = path.Remove(0, 1);
}
path = path.Replace("\n", String.Empty);
var ac = new Access();
if (
!ac.AllowAccess(options.RemoteAddr, options.RemoteHost, Daemon.Config.GetHostsAllow(moduleNumber),
Daemon.Config.GetHostsDeny(moduleNumber)))
{
Log.Write("rsync denied on module " + name + " from " + options.RemoteHost + " (" + options.RemoteAddr +
")");
ioStream.IoPrintf("@ERROR: access denied to " + name + " from " + options.RemoteHost + " (" +
options.RemoteAddr + ")\n");
return;
}
if (!Authentication.AuthorizeServer(clientInfo, moduleNumber, options.RemoteAddr, "@RSYNCD: AUTHREQD "))
{
Log.Write("auth failed on module " + name + " from " + options.RemoteHost + " (" + options.RemoteAddr +
")\n");
ioStream.IoPrintf("@ERROR: auth failed on module " + name + "\n");
return;
}
// TODO: path length
if (Directory.Exists(path))
{
ioStream.IoPrintf("@RSYNCD: OK\n");
}
else
{
try
{
// TODO: path length
Directory.CreateDirectory(path);
ioStream.IoPrintf("@RSYNCD: OK\n");
}
catch (Exception)
{
ioStream.IoPrintf("@ERROR: Path not found\n");
WinRsync.Exit("@ERROR: Path not found: " + path, clientInfo);
}
}
options.AmServer = true; //to fix error in SetupProtocol
options.Dir = path;
do
{
line = ioStream.ReadLine();
line = line.Substring(0, line.Length - 1);
if (argc == maxArgs)
{
maxArgs += Options.MaxArgs;
MapFile.ExtendArray(ref args, maxArgs);
}
args[argc++] = line;
} while (!string.IsNullOrEmpty(line));
args[argc++] = path;
options.Verbose = 0;
var argsNotUsed = CommandLineParser.ParseArguments(args, options);
if (argsNotUsed == -1)
{
WinRsync.Exit("Error parsing options", clientInfo);
}
var args2 = new string[argsNotUsed];
for (var i = 0; i < argsNotUsed; i++)
{
args2[i] = args[args.Length - argsNotUsed + i];
}
WinRsync.SetupProtocol(clientInfo);
ioStream.IoStartMultiplexOut();
Daemon.StartServer(clientInfo, args2);
}
public void MatchSums(IOStream f, SumStruct s, MapFile buf, int len)
{
byte[] fileSum = new byte[CheckSum.MD4_SUM_LENGTH];
lastMatch = 0;
falseAlarms = 0;
tagHits = 0;
matches = 0;
dataTransfer = 0;
Sum 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 (int j = 0; j < len - CHUNK_SIZE; j += CHUNK_SIZE)
{
int n1 = Math.Min(CHUNK_SIZE,(len-CHUNK_SIZE)-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.MD4_SUM_LENGTH);
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 SendFiles(List<FileStruct> fileList, ClientInfo clientInfo)
{
ShowMessage("Processing...");
try
{
IOStream ioStream = clientInfo.IoStream;
string fileName = String.Empty, fileName2 = String.Empty;
SumStruct s = null;
int phase = 0;
bool saveMakeBackups = options.makeBackups;
Match match = new Match(options);
if (options.verbose > 2)
{
Log.WriteLine("SendFiles starting");
}
while (true)
{
fileName = String.Empty;
int i = ioStream.readInt();
if (i == -1)
{
if (phase == 0)
{
phase++;
checkSum.length = CheckSum.SUM_LENGTH;
ioStream.writeInt(-1);
if (options.verbose > 2)
{
Log.WriteLine("SendFiles phase=" + phase);
}
options.makeBackups = false;
continue;
}
break;
}
if (i < 0 || i >= fileList.Count)
{
MainClass.Exit("Invalid file index " + i + " (count=" + fileList.Count + ")", clientInfo);
}
FileStruct file = fileList[i];
Options.stats.currentFileIndex = i;
Options.stats.numTransferredFiles++;
Options.stats.totalTransferredSize += file.length;
if (!string.IsNullOrEmpty(file.baseDir))
{
fileName = file.baseDir;
if (!fileName.EndsWith("/"))
{
fileName += "/";
}
}
fileName2 = file.GetFullName();
fileName += file.GetFullName();
ShowMessage("uploading " + fileName);
if (options.verbose > 2)
{
Log.WriteLine("sendFiles(" + i + ", " + fileName + ")");
}
if (options.dryRun)
{
if (!options.amServer && options.verbose != 0)
{
Log.WriteLine(fileName2);
}
ioStream.writeInt(i);
continue;
}
Stats initialStats = Options.stats;
s = ReceiveSums(clientInfo);
Stream fd;
try
{
fd = new FileStream(fileName, FileMode.Open, FileAccess.Read);
}
catch (FileNotFoundException)
{
Log.WriteLine("file has vanished: " + Util.fullFileName(fileName));
s = null;
continue;
}
catch (Exception)
{
Log.WriteLine("SendFiles failed to open " + Util.fullFileName(fileName));
s = null;
continue;
}
FStat st = new FStat();
FileInfo fi = new FileInfo(fileName);
// TODO: path length
st.mTime = fi.LastWriteTime;
// TODO: path length
st.size = fi.Length;
MapFile mbuf = null;
if (st.size != 0)
{
int mapSize = (int)Math.Max(s.bLength * 3, Options.MAX_MAP_SIZE);
mbuf = new MapFile(fd, (int)st.size, mapSize, (int)s.bLength);
}
if (options.verbose > 2)
{
Log.WriteLine("SendFiles mapped " + fileName + " of size " + st.size);
}
ioStream.writeInt(i);
Generator gen = new Generator(options);
gen.WriteSumHead(ioStream, s);
if (options.verbose > 2)
{
Log.WriteLine("calling MatchSums " + fileName);
}
if (!options.amServer && options.verbose != 0)
{
Log.WriteLine(fileName2);
}
Token token = new Token(options);
token.SetCompression(fileName);
match.MatchSums(ioStream, s, mbuf, (int)st.size);
Log.LogSend(file, initialStats);
if (mbuf != null)
{
bool j = mbuf.UnMapFile();
if (j)
{
Log.WriteLine("read errors mapping " + Util.fullFileName(fileName));
}
}
fd.Close();
s.sums = null;
if (options.verbose > 2)
{
Log.WriteLine("sender finished " + fileName);
}
}
options.makeBackups = saveMakeBackups;
if (options.verbose > 2)
{
Log.WriteLine("send files finished");
}
match.MatchReport(ioStream);
ioStream.writeInt(-1);
}
finally
{
HideMessage();
}
}
public void HashSearch(IOStream f,SumStruct s, MapFile buf, int len, Sum _sum)
{
int offset, end, backup;
UInt32 k;
int wantI;
byte[] sum2 = new byte[CheckSum.SUM_LENGTH];
UInt32 s1, s2, sum;
int more;
byte[] map;
wantI = 0;
if (options.verbose > 2)
Log.WriteLine("hash search ob=" + s.bLength +" len=" + len);
k = (UInt32)Math.Min(len, s.bLength);
int off = buf.MapPtr(0, (int)k);
map = buf.p;
UInt32 g = s.sums[0].sum1;
sum = CheckSum.GetChecksum1(map, off, (int)k);
s1 = sum & 0xFFFF;
s2 = sum >> 16;
if (options.verbose > 3)
Log.WriteLine("sum=" + sum +" k=" + k);
offset = 0;
end = (int)(len + 1 - s.sums[s.count-1].len);
if (options.verbose > 3)
Log.WriteLine("hash search s.bLength=" + s.bLength +" len=" + len +" count=" + s.count);
do
{
UInt32 t = GetTag2(s1,s2);
bool doneCsum2 = false;
int j = tagTable[t];
if (options.verbose > 4)
Log.WriteLine("offset=" + offset + " sum=" + sum);
if (j == NULL_TAG)
goto null_tag;
sum = (s1 & 0xffff) | (s2 << 16);
tagHits++;
do
{
UInt32 l;
int i = ((Target)targets[j]).i;
if (sum != s.sums[i].sum1)
continue;
l = (UInt32)Math.Min(s.bLength, len-offset);
if (l != s.sums[i].len)
continue;
if (options.verbose > 3)
Log.WriteLine("potential match at " + offset + " target=" + j +" " + i + " sum=" + sum);
if (!doneCsum2)
{
off = buf.MapPtr(offset, (int)l);
map = buf.p;
CheckSum cs = new CheckSum(options);
sum2 = cs.GetChecksum2(map, off, (int)l);
doneCsum2 = true;
}
if (Util.MemCmp(sum2, 0, s.sums[i].sum2, 0, s.s2Length) != 0)
{
falseAlarms++;
continue;
}
if (i != wantI && wantI < s.count
&& (!options.inplace || options.makeBackups || s.sums[wantI].offset >= offset
|| (s.sums[wantI].flags & SUMFLG_SAME_OFFSET) != 0)
&& sum == s.sums[wantI].sum1
&& Util.MemCmp(sum2, 0, s.sums[wantI].sum2, 0, s.s2Length) == 0)
{
i = wantI;
}
set_want_i:
wantI = i + 1;
Matched(f,s,buf,offset,i,_sum);
offset += (int)(s.sums[i].len - 1);
k = (UInt32)Math.Min(s.bLength, len-offset);
off = buf.MapPtr(offset, (int)k);
sum = CheckSum.GetChecksum1(map, off, (int)k);
s1 = sum & 0xFFFF;
s2 = sum >> 16;
matches++;
break;
} while (++j < s.count && ((Target)targets[j]).t == t);
null_tag:
backup = offset - lastMatch;
if (backup < 0)
backup = 0;
more = (offset + k) < len ? 1 : 0;
off = buf.MapPtr(offset - backup, (int)(k + more + backup))+ backup;
s1 -= (UInt32)(CheckSum.ToInt(map[off]) + CheckSum.CHAR_OFFSET);
s2 -= (UInt32)(k * CheckSum.ToInt(map[off]) + CheckSum.CHAR_OFFSET);
off = (k + off >= map.Length) ? (int)(map.Length-k-1) : off;
if (more != 0)
{
s1 += (UInt32)(CheckSum.ToInt(map[k + off]) + CheckSum.CHAR_OFFSET);
s2 += s1;
}
else
--k;
if (backup >= CHUNK_SIZE + s.bLength && end - offset > CHUNK_SIZE)
Matched(f,s,buf,(int)(offset - s.bLength), -2, _sum);
} while (++offset < end);
Matched(f,s,buf,len,-1, _sum);
buf.MapPtr(len-1,1);
}
public bool ReceiveData(ClientInfo clientInfo, string fileNameR, Stream fdR, long sizeR, string fileName, Stream fd, int totalSize)
{
var f = clientInfo.IoStream;
var fileSum1 = new byte[CheckSum.Md4SumLength];
var fileSum2 = new byte[CheckSum.Md4SumLength];
var data = new byte[Match.ChunkSize];
var sumStruct = new SumStruct();
MapFile mapBuf = null;
var sender = new Sender(_options);
sender.ReadSumHead(clientInfo, ref sumStruct);
var offset = 0;
UInt32 len;
if (fdR != null && sizeR > 0)
{
var mapSize = (int)Math.Max(sumStruct.BLength * 2, 16 * 1024);
mapBuf = new MapFile(fdR, (int)sizeR, mapSize, (int)sumStruct.BLength);
if (_options.Verbose > 2)
{
Log.WriteLine("recv mapped " + fileNameR + " of size " + sizeR);
}
}
var sum = new Sum(_options);
sum.Init(_options.ChecksumSeed);
int i;
var 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;
sum.Update(data, 0, i);
if (fd != null && FileIo.WriteFile(fd, data, 0, i) != i)
{
goto report_write_error;
}
offset += i;
continue;
}
i = -(i + 1);
var offset2 = (int)(i * sumStruct.BLength);
len = sumStruct.BLength;
if (i == sumStruct.Count - 1 && sumStruct.Remainder != 0)
{
len = sumStruct.Remainder;
}
Options.Stats.MatchedData += len;
if (_options.Verbose > 3)
{
Log.WriteLine("chunk[" + i + "] of size " + len + " at " + offset2 + " offset=" + offset);
}
byte[] map = null;
var off = 0;
if (mapBuf != null)
{
off = mapBuf.MapPtr(offset2, (int)len);
map = mapBuf.P;
token.SeeToken(map, offset, (int)len);
sum.Update(map, off, (int)len);
}
if (_options.Inplace)
{
if (offset == offset2 && fd != null)
{
offset += (int)len;
if (fd.Seek(len, SeekOrigin.Current) != offset)
{
WinRsync.Exit("seek failed on " + Util.FullFileName(fileName), clientInfo);
}
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)
{
WinRsync.Exit("write failed on " + Util.FullFileName(fileName), clientInfo);
}
fileSum1 = sum.End();
if (mapBuf != null)
{
mapBuf = null;
}
fileSum2 = f.ReadBuffer(CheckSum.Md4SumLength);
if (_options.Verbose > 2)
{
Log.WriteLine("got fileSum");
}
if (fd != null && Util.MemoryCompare(fileSum1, 0, fileSum2, 0, CheckSum.Md4SumLength) != 0)
{
return(false);
}
return(true);
report_write_error:
{
WinRsync.Exit("write failed on " + Util.FullFileName(fileName), clientInfo);
}
return(true);
}
public void HashSearch(IOStream f, SumStruct s, MapFile buf, int len, Sum _sum)
{
int offset, end, backup;
UInt32 k;
int wantI;
byte[] sum2 = new byte[CheckSum.SUM_LENGTH];
UInt32 s1, s2, sum;
int more;
byte[] map;
wantI = 0;
if (options.verbose > 2)
{
Log.WriteLine("hash search ob=" + s.bLength + " len=" + len);
}
k = (UInt32)Math.Min(len, s.bLength);
int off = buf.MapPtr(0, (int)k);
map = buf.p;
UInt32 g = s.sums[0].sum1;
sum = CheckSum.GetChecksum1(map, off, (int)k);
s1 = sum & 0xFFFF;
s2 = sum >> 16;
if (options.verbose > 3)
{
Log.WriteLine("sum=" + sum + " k=" + k);
}
offset = 0;
end = (int)(len + 1 - s.sums[s.count - 1].len);
if (options.verbose > 3)
{
Log.WriteLine("hash search s.bLength=" + s.bLength + " len=" + len + " count=" + s.count);
}
do
{
UInt32 t = GetTag2(s1, s2);
bool doneCsum2 = false;
int j = tagTable[t];
if (options.verbose > 4)
{
Log.WriteLine("offset=" + offset + " sum=" + sum);
}
if (j == NULL_TAG)
{
goto null_tag;
}
sum = (s1 & 0xffff) | (s2 << 16);
tagHits++;
do
{
UInt32 l;
int i = ((Target)targets[j]).i;
if (sum != s.sums[i].sum1)
{
continue;
}
l = (UInt32)Math.Min(s.bLength, len - offset);
if (l != s.sums[i].len)
{
continue;
}
if (options.verbose > 3)
{
Log.WriteLine("potential match at " + offset + " target=" + j + " " + i + " sum=" + sum);
}
if (!doneCsum2)
{
off = buf.MapPtr(offset, (int)l);
map = buf.p;
CheckSum cs = new CheckSum(options);
sum2 = cs.GetChecksum2(map, off, (int)l);
doneCsum2 = true;
}
if (Util.MemCmp(sum2, 0, s.sums[i].sum2, 0, s.s2Length) != 0)
{
falseAlarms++;
continue;
}
if (i != wantI && wantI < s.count &&
(!options.inplace || options.makeBackups || s.sums[wantI].offset >= offset ||
(s.sums[wantI].flags & SUMFLG_SAME_OFFSET) != 0) &&
sum == s.sums[wantI].sum1 &&
Util.MemCmp(sum2, 0, s.sums[wantI].sum2, 0, s.s2Length) == 0)
{
i = wantI;
}
set_want_i:
wantI = i + 1;
Matched(f, s, buf, offset, i, _sum);
offset += (int)(s.sums[i].len - 1);
k = (UInt32)Math.Min(s.bLength, len - offset);
off = buf.MapPtr(offset, (int)k);
sum = CheckSum.GetChecksum1(map, off, (int)k);
s1 = sum & 0xFFFF;
s2 = sum >> 16;
matches++;
break;
} while (++j < s.count && ((Target)targets[j]).t == t);
null_tag:
backup = offset - lastMatch;
if (backup < 0)
{
backup = 0;
}
more = (offset + k) < len ? 1 : 0;
off = buf.MapPtr(offset - backup, (int)(k + more + backup)) + backup;
s1 -= (UInt32)(CheckSum.ToInt(map[off]) + CheckSum.CHAR_OFFSET);
s2 -= (UInt32)(k * CheckSum.ToInt(map[off]) + CheckSum.CHAR_OFFSET);
off = (k + off >= map.Length) ? (int)(map.Length - k - 1) : off;
if (more != 0)
{
s1 += (UInt32)(CheckSum.ToInt(map[k + off]) + CheckSum.CHAR_OFFSET);
s2 += s1;
}
else
{
--k;
}
if (backup >= CHUNK_SIZE + s.bLength && end - offset > CHUNK_SIZE)
{
Matched(f, s, buf, (int)(offset - s.bLength), -2, _sum);
}
} while (++offset < end);
Matched(f, s, buf, len, -1, _sum);
buf.MapPtr(len - 1, 1);
}
public bool FileCheckSum(string fileName, ref byte[] sum, int size)
{
int i;
MDFour m =new MDFour(options);
sum = new byte[MD4_SUM_LENGTH];
Stream fd;
try
{
fd = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);
} catch(Exception)
{
return false;
}
MapFile buf = new MapFile(fd, size, Options.MAX_MAP_SIZE, CSUM_CHUNK);
m.Begin();
for(i = 0; i + CSUM_CHUNK <= size; i += CSUM_CHUNK)
{
int offset = buf.MapPtr(i, CSUM_CHUNK);
m.Update(buf.p, offset, CSUM_CHUNK);
}
if (size - i > 0 || options.protocolVersion >= 27)
{
int offset = buf.MapPtr(i, size-i);
m.Update(buf.p, offset, (UInt32)(size-i));
}
sum = m.Result();
fd.Close();
buf.UnMapFile();
return true;
}
