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 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;
}
}
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 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 sendFileEntry(FileStruct file, IOStream ioStream, UInt32 baseflags)
{
UInt32 flags = baseflags;
int l1 = 0, l2 = 0;
if (ioStream == null)
{
return;
}
if (file == null)
{
ioStream.writeByte(0);
lastName = String.Empty;
return;
}
string 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.XMIT_SAME_NAME;
if (l2 > 255)
{
flags |= Options.XMIT_LONG_NAME;
}
if (options.protocolVersion >= 28)
{
if (flags == 0 && !Util.S_ISDIR(file.mode))
{
flags |= Options.XMIT_TOP_DIR;
}
/*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.XMIT_TOP_DIR;
}
if ((flags & 0xFF) == 0)
{
flags |= Options.XMIT_LONG_NAME;
}
ioStream.writeByte((byte)flags);
}
if ((flags & Options.XMIT_SAME_NAME) != 0)
{
ioStream.writeByte((byte)l1);
}
if ((flags & Options.XMIT_LONG_NAME) != 0)
{
ioStream.writeInt(l2);
}
else
{
ioStream.writeByte((byte)l2);
}
byte[] b = System.Text.ASCIIEncoding.ASCII.GetBytes(fileName);
ioStream.Write(b, l1, l2);
ioStream.WriteLongInt(file.length);
if ((flags & Options.XMIT_SAME_TIME) == 0)
{
ioStream.writeInt(file.modTime.Second);
}
if ((flags & Options.XMIT_SAME_MODE) == 0)
{
ioStream.writeInt((int)file.mode);
}
if (options.preserveUID && (flags & Options.XMIT_SAME_UID) == 0)
{
ioStream.writeInt(file.uid);
}
if (options.preserveGID && (flags & Options.XMIT_SAME_GID) == 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.MD4_SUM_LENGTH);
}
}
lastName = fileName;
}
public void sendFileEntry(FileStruct file, IOStream f, UInt32 baseflags)
{
UInt32 flags = baseflags;
int l1 = 0,l2 = 0;
if(f == null)
return;
if(file == null)
{
f.writeByte(0);
lastName = "";
return;
}
string fileName = file.FNameTo().Replace(":","");
for (l1 = 0;
lastName.Length >l1 && (fileName[l1] == lastName[l1]) && (l1 < 255);
l1++) {}
l2 = fileName.Substring(l1).Length;
flags |= Options.XMIT_SAME_NAME;
if (l2 > 255)
flags |= Options.XMIT_LONG_NAME;
if(options.protocolVersion >= 28)
{
if(flags == 0 && !Util.S_ISDIR(file.mode))
flags |= Options.XMIT_TOP_DIR;
/*if ((flags & 0xFF00) > 0 || flags == 0)
{
flags |= Options.XMIT_EXTENDED_FLAGS;
f.writeByte((byte)flags);
f.writeByte((byte)(flags >> 8));
}
else */
f.writeByte((byte)flags);
} else
{
if ((flags & 0xFF) == 0 && !Util.S_ISDIR(file.mode))
flags |= Options.XMIT_TOP_DIR;
if ((flags & 0xFF) == 0)
flags |= Options.XMIT_LONG_NAME;
f.writeByte((byte)flags);
}
if ((flags & Options.XMIT_SAME_NAME) != 0)
f.writeByte((byte)l1);
if ((flags & Options.XMIT_LONG_NAME) != 0)
f.writeInt(l2);
else
f.writeByte((byte)l2);
byte[] b =System.Text.ASCIIEncoding.ASCII.GetBytes(fileName);
f.Write(b, l1, l2);
f.WriteLongInt(file.length);
if ((flags & Options.XMIT_SAME_TIME) == 0)
f.writeInt(file.modTime.Second);
if ((flags & Options.XMIT_SAME_MODE) == 0)
f.writeInt((int)file.mode);
if (options.preserveUID && (flags & Options.XMIT_SAME_UID) == 0)
{
f.writeInt(file.uid);
}
if (options.preserveGID && (flags & Options.XMIT_SAME_GID) == 0)
{
f.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 )
{
f.Write(sum, 0, options.protocolVersion < 21 ? 2 : CheckSum.MD4_SUM_LENGTH);
}
}
lastName = fileName;
}
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 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;
}
}