// Do we really need these? SWGEmu doesn't seem to compress...
public void Compress()
{
byte[] numArray = new byte[this.data.Count];
this.data.CopyTo(0, numArray, 0, this.data.Count);
byte[] numArray1 = new byte[800];
ZStream zStream = new ZStream()
{
avail_in = 0
};
zStream.deflateInit(6);
zStream.next_in = numArray;
zStream.next_in_index = 2;
zStream.avail_in = (int)numArray.Length - 4;
zStream.next_out = numArray1;
zStream.avail_out = 800;
if (zStream.deflate(4) != -3)
{
long totalOut = zStream.total_out;
zStream.deflateEnd();
zStream = null;
this.data.Clear();
this.data.Add(numArray[0]);
this.data.Add(numArray[1]);
for (int i = 0; (long)i < totalOut; i++)
{
this.data.Add(numArray1[i]);
}
this.data.Add(numArray[(int)numArray.Length - 3]);
this.data.Add(numArray[(int)numArray.Length - 2]);
this.data.Add(numArray[(int)numArray.Length - 1]);
}
}
public static void CompressData(byte[] inData, out byte[] outData)
{
ZStream stream = new ZStream();
byte[] outZData = new byte[CHUNK];
stream.next_in = inData;
stream.avail_in = bufferIndex;
stream.next_out = outZData;
stream.avail_out = CHUNK;
// deflateInit2(strm, level, Z_DEFLATED, bits, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY);
// CALL_ZLIB(deflateInit2(strm, Z_DEFAULT_COMPRESSION, Z_DEFLATED, windowBits, 8, Z_DEFAULT_STRATEGY));
// CALL_ZLIB(deflate(&strm, Z_FINISH));
const int BITS = 15; // full 32k=15 outbound buffer
stream.deflateInit(zlibConst.Z_DEFAULT_COMPRESSION, BITS);
stream.deflate(zlibConst.Z_FINISH);
stream.deflateEnd();
byte[] output = new byte[stream.total_out + 4];
Buffer.BlockCopy(stream.next_out, 0, output, 4, (int)stream.total_out);
byte[] tmpbyte4 = new byte[4];
tmpbyte4 = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(bufferIndex));
Array.Copy(tmpbyte4, output, 4);
outData = output;
deflated_size = CHUNK - stream.avail_out;
}
public static byte[] Compress(byte[] buff)
{
//using (MemoryStream ms = new MemoryStream())
//{
// Stream s = new ZOutputStream(ms, level);
// s.Write(src, 0, (int)ms.Length);
// s.Close();
// return ms.ToArray();
//}
ZStream zs = new ZStream();
zs.next_in = buff;
zs.avail_in = buff.Length;
zs.next_out = _buffer;
zs.avail_out = _buffer.Length;
if (zlibConst.Z_OK != zs.deflateInit(zlibConst.Z_BEST_COMPRESSION))
{
return(null);
}
if (zlibConst.Z_STREAM_END != zs.deflate(zlibConst.Z_FINISH))
{
return(null);
}
zs.deflateEnd();
byte[] result = new byte[zs.total_out];
System.Array.Copy(_buffer, result, zs.total_out);
return(result);
}
/// <summary>
/// Reimplements function from zlib (compress2) that is not present in ZLIB.NET.
/// </summary>
/// <param name="dest">Destination array of bytes. May be trimmed if necessary.</param>
/// <param name="source">Source array of bytes.</param>
/// <param name="level">Level of compression.</param>
/// <returns>Zlib status code.</returns>
static int ZlibCompress(ref byte[] dest, byte[] source, int level)
{
ZStream stream = new ZStream();
int err;
stream.next_in = source;
stream.avail_in = source.Length;
stream.next_out = dest;
stream.avail_out = dest.Length;
err = stream.deflateInit(level);
if (err != zlibConst.Z_OK)
{
return(err);
}
err = stream.deflate(zlibConst.Z_FINISH);
if (err != zlibConst.Z_STREAM_END)
{
stream.deflateEnd();
return(err == zlibConst.Z_OK ? zlibConst.Z_BUF_ERROR : err);
}
if (stream.total_out != dest.Length)
{
byte[] output = new byte[stream.total_out];
Buffer.BlockCopy(stream.next_out, 0, output, 0, (int)stream.total_out);
dest = output;
}
return(stream.deflateEnd());
}
public override void Write(System.Byte[] b1, int off, int len)
{
if (len == 0)
{
return;
}
int err;
byte[] b = new byte[b1.Length];
System.Array.Copy(b1, 0, b, 0, b1.Length);
z.next_in = b;
z.next_in_index = off;
z.avail_in = len;
do
{
z.next_out = buf;
z.next_out_index = 0;
z.avail_out = bufsize;
if (compress)
{
err = z.deflate(flush_Renamed_Field);
}
else
{
err = z.inflate(flush_Renamed_Field);
}
if (err != zlibConst.Z_OK && err != zlibConst.Z_STREAM_END)
{
if (err == zlibConst.Z_NEED_DICT & !this.compress)
{
z.inflateSetDictionary(this.dictionary, this.dictionary.Length);
err = z.inflate(flush_Renamed_Field);
if (err != zlibConst.Z_OK && err != zlibConst.Z_STREAM_END)
{
throw new ZStreamException((compress ? "de" : "in") + "flating: " + z.msg);
}
}
else
{
throw new ZStreamException((compress ? "de" : "in") + "flating: " + z.msg);
}
}
out_Renamed.Write(buf, 0, bufsize - z.avail_out);
}while (z.avail_in > 0 || z.avail_out == 0);
}
public void Write(byte[] data, int pos, int len, bool finish)
{
byte[] srcData = Util.ExtractByteArray(data, pos, len);
byte[] dstData = new byte[srcData.Length * 2 + 100];
if (this.finished)
{
throw new ApplicationException("already finished");
}
zs.next_in = srcData;
zs.avail_in = srcData.Length;
zs.next_in_index = 0;
zs.next_out = dstData;
zs.avail_out = dstData.Length;
zs.next_out_index = 0;
if (finish)
{
zs.deflate(zlibConst.Z_FINISH);
}
else
{
zs.deflate(zlibConst.Z_SYNC_FLUSH);
}
fifo.Write(dstData, 0, dstData.Length - zs.avail_out);
currentSize += len;
this.crc32 = ZipUtil.Crc32Next(data, pos, len, this.crc32);
if (finish)
{
this.finished = true;
this.crc32 = ~this.crc32;
GZipFooter f = new GZipFooter();
f.CRC32 = this.crc32;
f.ISIZE = (uint)(this.currentSize % 0x100000000);
fifo.Write(Util.StructToByte(f));
}
}
private int compress(Stream sin, Stream sout, int level)
{
ZStream zstream = new ZStream();
int length = (int)sin.Length;
byte[] buffer1 = new byte[length];
byte[] buffer2 = new byte[32768];
int num1 = 0;
int num2 = zstream.deflateInit(level);
if (num2 != 0)
{
return(num2);
}
zstream.avail_in = 0;
zstream.avail_out = 32768;
zstream.next_out = buffer2;
int flush = 0;
int num3;
do
{
if (zstream.avail_in == 0)
{
int num4 = sin.Read(buffer1, 0, length);
zstream.next_in = buffer1;
zstream.avail_in = num4;
zstream.next_in_index = 0;
if (num4 < length)
{
flush = 4;
}
}
num3 = zstream.deflate(flush);
if (num3 < 0)
{
return(num3);
}
if (zstream.avail_out == 0 || num3 == 1)
{
int count = 32768 - zstream.avail_out;
sout.Write(buffer2, 0, count);
num1 += count;
zstream.next_out = buffer2;
zstream.avail_out = 32768;
zstream.next_out_index = 0;
}
}while (num3 != 1);
int num5 = zstream.deflateEnd();
if (num5 != 0)
{
return(num5);
}
zstream.free();
return(num1);
}
private static byte[] CompressZ(byte[] inbuf, int level = 6) //CompLevel= 0-9
{
var z = new ZStream();
var ms = new MemoryStream();
var outbuf = new byte[1024];
if (z.deflateInit(level) != zlibConst.Z_OK)
{
throw new InvalidOperationException("zlib.deflateInit");
}
z.next_in = inbuf;
z.avail_in = inbuf.Length;
z.next_in_index = 0;
z.next_out = outbuf;
z.avail_out = outbuf.Length;
z.next_out_index = 0;
while (true)
{
int status = z.deflate(zlibConst.Z_FINISH); /* 圧縮する */
if (status == zlibConst.Z_STREAM_END)
{
break;
}
if (status != zlibConst.Z_OK)
{
throw new InvalidOperationException("zlib.deflate");
}
if (z.avail_out == 0)
{
ms.Write(outbuf, 0, outbuf.Length);
z.next_out = outbuf;
z.avail_out = outbuf.Length;
z.next_out_index = 0;
}
}
if ((outbuf.Length - z.avail_out) != 0)
{
ms.Write(outbuf, 0, outbuf.Length - z.avail_out);
}
if (z.deflateEnd() != zlibConst.Z_OK)
{
throw new InvalidOperationException("zlib.deflateEnd");
}
z.free();
return(ms.ToArray());
}
public virtual void Finish()
{
do
{
z.next_out = buf;
z.next_out_index = 0;
z.avail_out = buf.Length;
int num = compress ? z.deflate(4) : z.inflate(4);
if (num != 1 && num != 0)
{
throw new IOException((compress ? "de" : "in") + "flating: " + z.msg);
}
int num2 = buf.Length - z.avail_out;
if (num2 > 0)
{
output.Write(buf, 0, num2);
}
}while (z.avail_in > 0 || z.avail_out == 0);
Flush();
}
public static Bytes compress([NotNone] IBufferProtocol data,
int level = Z_DEFAULT_COMPRESSION)
{
using var buffer = data.GetBuffer();
byte[] input = buffer.AsUnsafeArray() ?? buffer.ToArray();
byte[] output = new byte[input.Length + input.Length / 1000 + 12 + 1];
ZStream zst = new ZStream();
zst.next_in = input;
zst.avail_in = input.Length;
zst.next_out = output;
zst.avail_out = output.Length;
int err = zst.DeflateInit(level);
switch (err)
{
case (Z_OK):
break;
case (Z_STREAM_ERROR):
throw PythonOps.CreateThrowable(error,
"Bad compression level");
default:
zst.deflateEnd();
zlib_error(zst, err, "while compressing data");
return(null);
}
err = zst.deflate(FlushStrategy.Z_FINISH);
if (err != Z_STREAM_END)
{
zst.deflateEnd();
throw zlib_error(zst, err, "while compressing data");
}
err = zst.deflateEnd();
if (err == Z_OK)
{
var res = new byte[(int)zst.total_out];
Array.Copy(output, res, res.Length);
return(Bytes.Make(res));
}
throw zlib_error(zst, err, "while finishing compression");
}
public static PhpString gzdeflate(byte[] data, int level = -1)
{
if (level < -1 || level > 9)
{
PhpException.Throw(PhpError.Warning, String.Format("compression level ({0}) must be within -1..9", level));
return(default(PhpString));
}
var zs = new ZStream();
zs.next_in = data;
zs.avail_in = data.Length;
// heuristic for max data length
zs.avail_out = data.Length + data.Length / PHP_ZLIB_MODIFIER + 15 + 1;
zs.next_out = new byte[zs.avail_out];
// -15 omits the header (undocumented feature of zlib)
int status = zs.deflateInit(level, -MAX_WBITS);
if (status == zlibConst.Z_OK)
{
status = zs.deflate(zlibConst.Z_FINISH);
if (status != zlibConst.Z_STREAM_END)
{
zs.deflateEnd();
if (status == zlibConst.Z_OK)
{
status = zlibConst.Z_BUF_ERROR;
}
}
else
{
status = zs.deflateEnd();
}
}
if (status == zlibConst.Z_OK)
{
byte[] result = new byte[zs.total_out];
Buffer.BlockCopy(zs.next_out, 0, result, 0, (int)zs.total_out);
return(new PhpString(result));
}
else
{
PhpException.Throw(PhpError.Warning, zError(status));
return(default(PhpString));
}
}
public static string compress([BytesConversion] IList <byte> data,
int level = Z_DEFAULT_COMPRESSION)
{
byte[] input = data.ToArray();
byte[] output = new byte[input.Length + input.Length / 1000 + 12 + 1];
ZStream zst = new ZStream();
zst.next_in = input;
zst.avail_in = input.Length;
zst.next_out = output;
zst.avail_out = output.Length;
int err = zst.DeflateInit(level);
switch (err)
{
case (Z_OK):
break;
case (Z_STREAM_ERROR):
throw PythonOps.CreateThrowable(error,
"Bad compression level");
default:
zst.deflateEnd();
zlib_error(zst, err, "while compressing data");
return(null);
}
err = zst.deflate(FlushStrategy.Z_FINISH);
if (err != Z_STREAM_END)
{
zst.deflateEnd();
throw zlib_error(zst, err, "while compressing data");
}
err = zst.deflateEnd();
if (err == Z_OK)
{
return(PythonAsciiEncoding.Instance.GetString(output, 0, (int)zst.total_out));
}
else
{
throw zlib_error(zst, err, "while finishing compression");
}
}
public byte[] Construct(IStreamCipher encryptor, ZStream dStream)
{
Log.Write(LogLevel.Client, "Constructing Packet [{0}]", GetType().ToString());
byte[] cData = _stream.ToArray();
//Log.Write(LogLevel.Error, "{0}", cData.ToHEX());
if (_def)
{
MemoryStream lStream = new MemoryStream();
dStream.avail_in = cData.Length;
dStream.next_in = cData;
dStream.next_in_index = 0;
byte[] dData = new byte[cData.Length * 2];
dStream.avail_out = cData.Length * 2;
dStream.next_out = dData;
dStream.next_out_index = 0;
dStream.deflate(2);
lStream.Write(dData, 0, (cData.Length * 2) - dStream.avail_out);
cData = lStream.ToArray();
lStream.Dispose();
}
MemoryStream oStream = new MemoryStream();
EndianBinaryWriter oWriter = new EndianBinaryWriter(MiscUtil.Conversion.EndianBitConverter.Little, oStream);
oWriter.Write((byte)GetModule());
oWriter.Write((UInt32)cData.Length + 2);
oWriter.Write((byte)GenerateChecksum(oStream.ToArray()));
oWriter.Write(cData, 0, cData.Length - 4);
byte[] fData = oStream.ToArray();
if (_enc)
{
byte[] eData = new byte[fData.Length];
encryptor.ProcessBytes(fData, 0, fData.Length, eData, 0);
fData = eData;
}
return(fData);
}
public int read(byte[] b, int off, int len)
{
if (len == 0)
{
return(0);
}
int err;
z.next_out = b;
z.next_out_index = off;
z.avail_out = len;
do
{
if ((z.avail_in == 0) && (!nomoreinput))
{
// if buffer is empty and more input is avaiable, refill it
z.next_in_index = 0;
z.avail_in = SupportClass.ReadInput(in_Renamed, buf, 0, bufsize); //(bufsize<z.avail_out ? bufsize : z.avail_out));
if (z.avail_in == -1)
{
z.avail_in = 0;
nomoreinput = true;
}
}
if (compress)
{
err = z.deflate(flush);
}
else
{
err = z.inflate(flush);
}
if (nomoreinput && (err == zlibConst.Z_BUF_ERROR))
{
return(-1);
}
if (err != zlibConst.Z_OK && err != zlibConst.Z_STREAM_END)
{
throw new ZStreamException((compress ? "de" : "in") + "flating: " + z.msg);
}
if (nomoreinput && (z.avail_out == len))
{
return(-1);
}
}while (z.avail_out == len && err == zlibConst.Z_OK);
//System.err.print("("+(len-z.avail_out)+")");
return(len - z.avail_out);
}
public static byte[] Compress(byte[] source, int start, int size)
{
ZStream stream = new ZStream();
stream.next_in = source;
stream.next_in_index = start;
stream.avail_in = size;
int maxCompSize = (int)((long)size * 1001 / 1000 + 12);
byte[] compressed = new byte[maxCompSize];
stream.next_out = compressed;
stream.next_out_index = 0;
stream.avail_out = maxCompSize;
int err = stream.deflateInit(zlibConst.Z_DEFAULT_COMPRESSION);
if (err != zlibConst.Z_OK)
{
return(null);
}
err = stream.deflate(zlibConst.Z_FINISH);
if (err != zlibConst.Z_STREAM_END)
{
stream.deflateEnd();
return(null);
}
int realSize = (int)stream.total_out;
stream.deflateEnd();
if (realSize < compressed.Length)
{
byte[] temp = new byte[realSize];
Array.Copy(compressed, temp, realSize);
return(temp);
}
else
{
return(compressed);
}
}
internal void Compress(byte[] Data, int type)
{
if (this is NetworkAardwolf)
{
throw new Exception("Trying to compress data on Aardwolf connection!");
}
zStream_Length = 0;
zStream.avail_in = Data.Length;
zStream.next_in = Data;
zStream.next_in_index = 0;
zStream.next_out = zStream_Out;
zStream.next_out_index = 0;
zStream.avail_out = zStream_Out.Length;
switch (zStream.deflate(type))
{
case zlibConst.Z_OK:
//inIndex = zStream.next_in_index;
zStream_Length = (int)zStream.total_out;
zStream.total_out = 0;
zStream.next_in = null;
break;
case zlibConst.Z_STREAM_END:
//inIndex = zStream.next_in_index;
zStream_Length = (int)zStream.total_out;
zStream.deflateEnd();
zStream.free();
zStream = null;
break;
default:
//case zlibConst.Z_STREAM_ERROR:
throw new Exception("Error while compressing: " + (zStream.msg ?? "unknown error") + "!");
}
}
public override int Read(byte[] b, int off, int len)
{
if (len == 0)
{
return(0);
}
z.next_out = b;
z.next_out_index = off;
z.avail_out = len;
int num;
do
{
if (z.avail_in == 0 && !nomoreinput)
{
z.next_in_index = 0;
z.avail_in = input.Read(buf, 0, buf.Length);
if (z.avail_in <= 0)
{
z.avail_in = 0;
nomoreinput = true;
}
}
num = (compress ? z.deflate(flushLevel) : z.inflate(flushLevel));
if (nomoreinput && num == -5)
{
return(0);
}
if (num != 0 && num != 1)
{
throw new IOException((compress ? "de" : "in") + "flating: " + z.msg);
}
if ((nomoreinput || num == 1) && z.avail_out == len)
{
return(0);
}
}while (z.avail_out == len && num == 0);
return(len - z.avail_out);
}
public void Construct(ZStream dStream)
{
Log.Write(LogLevel.Client, "Constructing Packet [{0}]", this.PacketID.ToString());
// Compress buffer
byte[] cData = this.Stream.ToArray();
MemoryStream lStream = new MemoryStream();
dStream.avail_in = cData.Length;
dStream.next_in = cData;
dStream.next_in_index = 0;
byte[] dData = new byte[cData.Length * 2];
dStream.avail_out = cData.Length * 2;
dStream.next_out = dData;
dStream.next_out_index = 0;
dStream.deflate(2);
lStream.Write(dData, 0, (cData.Length * 2) - dStream.avail_out);
cData = lStream.ToArray();
lStream.Dispose();
//Log.Write(LogLevel.Error, "SHIEEEEEEEEEE\n{0}", cData.ToHEX(cData.Length));
MemoryStream oStream = new MemoryStream();
EndianBinaryWriter oWriter = new EndianBinaryWriter(MiscUtil.Conversion.EndianBitConverter.Little, oStream);
oWriter.Write((byte)this.Module);
oWriter.Write((UInt32)cData.Length + 2);
oWriter.Write((byte)GenerateChecksum(oStream.ToArray()));
oWriter.Write(cData, 0, cData.Length - 4);
this.Data = oStream.ToArray();
}
static void compress2(ref byte[] dest, byte[] src, int level, bool noHeader)
{
ZStream stream = new ZStream();
stream.next_in = src;
stream.avail_in = src.Length;
stream.next_out = dest;
stream.avail_out = dest.Length;
if (noHeader == false)
{
stream.deflateInit(level);
}
else
{
stream.deflateInit(level, -15);
}
stream.deflate(zlibConst.Z_FINISH);
Array.Resize <byte>(ref dest, (int)stream.total_out);
}
public static void main(String[] arg)
{
int err;
int comprLen = 40000;
int uncomprLen = comprLen;
byte[] uncompr = new byte[uncomprLen];
byte[] compr = new byte[comprLen];
long dictId;
ZStream c_stream = new ZStream();
err = c_stream.deflateInit(JZlib.Z_BEST_COMPRESSION);
CHECK_ERR(c_stream, err, "deflateInit");
err = c_stream.deflateSetDictionary(dictionary, dictionary.Length);
CHECK_ERR(c_stream, err, "deflateSetDictionary");
dictId = c_stream.adler;
c_stream.next_out = compr;
c_stream.next_out_index = 0;
c_stream.avail_out = comprLen;
c_stream.next_in = hello;
c_stream.next_in_index = 0;
c_stream.avail_in = hello.Length;
err = c_stream.deflate(JZlib.Z_FINISH);
if (err != JZlib.Z_STREAM_END)
{
java.lang.SystemJ.outJ.println("deflate should report Z_STREAM_END");
java.lang.SystemJ.exit(1);
}
err = c_stream.deflateEnd();
CHECK_ERR(c_stream, err, "deflateEnd");
ZStream d_stream = new ZStream();
d_stream.next_in = compr;
d_stream.next_in_index = 0;
d_stream.avail_in = comprLen;
err = d_stream.inflateInit();
CHECK_ERR(d_stream, err, "inflateInit");
d_stream.next_out = uncompr;
d_stream.next_out_index = 0;
d_stream.avail_out = uncomprLen;
while (true)
{
err = d_stream.inflate(JZlib.Z_NO_FLUSH);
if (err == JZlib.Z_STREAM_END)
{
break;
}
if (err == JZlib.Z_NEED_DICT)
{
if ((int)d_stream.adler != (int)dictId)
{
java.lang.SystemJ.outJ.println("unexpected dictionary");
java.lang.SystemJ.exit(1);
}
err = d_stream.inflateSetDictionary(dictionary, dictionary.Length);
}
CHECK_ERR(d_stream, err, "inflate with dict");
}
err = d_stream.inflateEnd();
CHECK_ERR(d_stream, err, "inflateEnd");
int j = 0;
for (; j < uncompr.Length; j++)
{
if (uncompr[j] == 0)
{
break;
}
}
java.lang.SystemJ.outJ.println("after inflateSync(): hel" + new java.lang.StringJ(uncompr, 0, j));
}
internal int deflateParams(ZStream strm, int _level, int _strategy)
{
int err=Z_OK;
if(_level == Z_DEFAULT_COMPRESSION){
_level = 6;
}
if(_level < 0 || _level > 9 ||
_strategy < 0 || _strategy > Z_HUFFMAN_ONLY) {
return Z_STREAM_ERROR;
}
if(config_table[level].func!=config_table[_level].func &&
strm.total_in != 0) {
// Flush the last buffer:
err = strm.deflate(Z_PARTIAL_FLUSH);
}
if(level != _level) {
level = _level;
max_lazy_match = config_table[level].max_lazy;
good_match = config_table[level].good_length;
nice_match = config_table[level].nice_length;
max_chain_length = config_table[level].max_chain;
}
strategy = _strategy;
return err;
}
public static void main(String[] arg)
{
int err;
int comprLen = 40000;
int uncomprLen = comprLen;
byte[] compr = new byte[comprLen];
byte[] uncompr = new byte[uncomprLen];
ZStream c_stream = new ZStream();
err = c_stream.deflateInit(JZlib.Z_DEFAULT_COMPRESSION);
CHECK_ERR(c_stream, err, "deflateInit");
c_stream.next_in = hello;
c_stream.next_in_index = 0;
c_stream.next_out = compr;
c_stream.next_out_index = 0;
while (c_stream.total_in != hello.Length &&
c_stream.total_out < comprLen)
{
c_stream.avail_in = c_stream.avail_out = 1; // force small buffers
err = c_stream.deflate(JZlib.Z_NO_FLUSH);
CHECK_ERR(c_stream, err, "deflate");
}
while (true)
{
c_stream.avail_out = 1;
err = c_stream.deflate(JZlib.Z_FINISH);
if (err == JZlib.Z_STREAM_END)
{
break;
}
CHECK_ERR(c_stream, err, "deflate");
}
err = c_stream.deflateEnd();
CHECK_ERR(c_stream, err, "deflateEnd");
ZStream d_stream = new ZStream();
d_stream.next_in = compr;
d_stream.next_in_index = 0;
d_stream.next_out = uncompr;
d_stream.next_out_index = 0;
err = d_stream.inflateInit();
CHECK_ERR(d_stream, err, "inflateInit");
while (d_stream.total_out < uncomprLen &&
d_stream.total_in < comprLen)
{
d_stream.avail_in = d_stream.avail_out = 1; /* force small buffers */
err = d_stream.inflate(JZlib.Z_NO_FLUSH);
if (err == JZlib.Z_STREAM_END)
{
break;
}
CHECK_ERR(d_stream, err, "inflate");
}
err = d_stream.inflateEnd();
CHECK_ERR(d_stream, err, "inflateEnd");
int i = 0;
for (; i < hello.Length; i++)
{
if (hello[i] == 0)
{
break;
}
}
int j = 0;
for (; j < uncompr.Length; j++)
{
if (uncompr[j] == 0)
{
break;
}
}
if (i == j)
{
for (i = 0; i < j; i++)
{
if (hello[i] != uncompr[i])
{
break;
}
}
if (i == j)
{
java.lang.SystemJ.outJ.println("inflate(): " + new java.lang.StringJ(uncompr, 0, j).ToString());
return;
}
}
else
{
java.lang.SystemJ.outJ.println("bad inflate");
}
}
/// <summary>
/// Pack the folder pointed by the path (source) in a package pointed by the other path (destination).
/// </summary>
public static void Pack(String Source, String Destination)
{
if (!Destination.EndsWith(".tpi"))
{
Destination += ".tpi";
}
DirectoryInfo DI = new DirectoryInfo(Source);
FileInfo[] Files = DI.GetFiles("*.*", SearchOption.AllDirectories);
Header *pHeader = stackalloc Header[1];
TPI_IDENTIFIER.ToPointer(pHeader->Identifier);
pHeader->Number = (UInt32)Files.Length;
pHeader->Version = TPI_VERSION;
pHeader->Unknown1 = TPI_UNKNOWN_1;
pHeader->Unknown2 = TPI_UNKNOWN_2;
pHeader->Unknown3 = TPI_UNKNOWN_3;
pHeader->Reserved = 0x00;
Encoding Encoding = Encoding.GetEncoding("UTF-8");
Byte[] Buffer = new Byte[Kernel.MAX_BUFFER_SIZE];
Byte[] Tmp = new Byte[Kernel.MAX_BUFFER_SIZE];
using (FileStream TpiStream = new FileStream(Destination, FileMode.Create, FileAccess.Write, FileShare.Read))
using (FileStream TpdStream = new FileStream(Destination.Replace(".tpi", ".tpd"), FileMode.Create, FileAccess.Write, FileShare.Read))
{
using (BinaryWriter Writer = new BinaryWriter(TpiStream, Encoding))
{
Console.Write("Writing header... ");
Kernel.memcpy(Buffer, pHeader, sizeof(TPI.Header));
TpiStream.Write(Buffer, 0, sizeof(TPI.Header));
TpdStream.Write(Buffer, 0, sizeof(TPD.Header));
Console.WriteLine("Ok!");
Console.Write("Writing data... ");
UInt32[] CompressedSizes = new UInt32[Files.Length];
UInt32[] Offsets = new UInt32[Files.Length];
UInt32 Offset = (UInt32)sizeof(TPD.Header);
for (Int32 i = 0; i < pHeader->Number; i++)
{
Console.Write("\rWriting data... {0}%", i * 100 / pHeader->Number);
using (FileStream Input = new FileStream(Files[i].FullName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
ZStream Stream = new ZStream();
Stream.deflateInit(9); //TQ use lvl 3
Int32 Param = zlibConst.Z_NO_FLUSH;
Int32 Length = 0;
do
{
Length = Input.Read(Buffer, 0, Kernel.MAX_BUFFER_SIZE);
Param = Length == 0 ? zlibConst.Z_FINISH : zlibConst.Z_NO_FLUSH;
Stream.avail_in = Length;
Stream.next_in = Buffer;
Stream.next_in_index = 0;
do
{
Stream.avail_out = Kernel.MAX_BUFFER_SIZE;
Stream.next_out = Tmp;
Stream.next_out_index = 0;
Int32 Result = Stream.deflate(Param);
Int32 Len = Kernel.MAX_BUFFER_SIZE - Stream.avail_out;
TpdStream.Write(Tmp, 0, Len);
}while (Stream.avail_out == 0);
}while (Param != zlibConst.Z_FINISH);
Stream.deflateEnd();
CompressedSizes[i] = (UInt32)Stream.total_out;
Offsets[i] = Offset;
Offset += CompressedSizes[i];
}
}
Console.WriteLine("\b\b\bOk!");
Console.Write("Writing entries... ");
UInt32 LastOffset = 0;
for (Int32 i = 0; i < pHeader->Number; i++)
{
Console.Write("\rWriting entries... {0}%", i * 100 / pHeader->Number);
String RelativePath = Files[i].FullName.Replace(DI.Parent.FullName + "\\", "");
RelativePath = RelativePath.ToLowerInvariant();
RelativePath = RelativePath.Replace('\\', '/');
LastOffset = (UInt32)Writer.BaseStream.Position;
Writer.Write((Byte)RelativePath.Length);
Writer.Write(Encoding.GetBytes(RelativePath.ToCharArray(), 0, (Byte)RelativePath.Length));
Writer.Write((Int16)TPI_UNKNOWN_1);
Writer.Write((UInt32)Files[i].Length);
Writer.Write((UInt32)CompressedSizes[i]);
Writer.Write((UInt32)CompressedSizes[i]);
Writer.Write((UInt32)Files[i].Length);
Writer.Write((UInt32)Offsets[i]);
}
Console.WriteLine("\b\b\bOk!");
Console.Write("Updating header... ");
TpiStream.Seek(0, SeekOrigin.Begin);
pHeader->Offset = LastOffset;
Kernel.memcpy(Buffer, pHeader, sizeof(TPI.Header));
TpiStream.Write(Buffer, 0, sizeof(TPI.Header));
Console.WriteLine("Ok!");
}
}
}
protected override int PerformZlibOperation(ZStream zs, int flush)
{
return(zs.deflate(flush));
}
public static void main(String[] arg)
{
int err;
int comprLen = 40000;
int uncomprLen = comprLen;
byte[] compr = new byte[comprLen];
byte[] uncompr = new byte[uncomprLen];
int len = hello.Length;
ZStream c_stream = new ZStream();
err = c_stream.deflateInit(JZlib.Z_DEFAULT_COMPRESSION);
CHECK_ERR(c_stream, err, "deflate");
c_stream.next_in = hello;
c_stream.next_in_index = 0;
c_stream.next_out = compr;
c_stream.next_out_index = 0;
c_stream.avail_in = 3;
c_stream.avail_out = comprLen;
err = c_stream.deflate(JZlib.Z_FULL_FLUSH);
CHECK_ERR(c_stream, err, "deflate");
compr[3]++; // force an error in first compressed block
c_stream.avail_in = len - 3;
err = c_stream.deflate(JZlib.Z_FINISH);
if (err != JZlib.Z_STREAM_END)
{
CHECK_ERR(c_stream, err, "deflate");
}
err = c_stream.deflateEnd();
CHECK_ERR(c_stream, err, "deflateEnd");
comprLen = (int)(c_stream.total_out);
ZStream d_stream = new ZStream();
d_stream.next_in = compr;
d_stream.next_in_index = 0;
d_stream.avail_in = 2;
err = d_stream.inflateInit();
CHECK_ERR(d_stream, err, "inflateInit");
d_stream.next_out = uncompr;
d_stream.next_out_index = 0;
d_stream.avail_out = uncomprLen;
err = d_stream.inflate(JZlib.Z_NO_FLUSH);
CHECK_ERR(d_stream, err, "inflate");
d_stream.avail_in = comprLen - 2;
err = d_stream.inflateSync();
CHECK_ERR(d_stream, err, "inflateSync");
err = d_stream.inflate(JZlib.Z_FINISH);
if (err != JZlib.Z_DATA_ERROR)
{
java.lang.SystemJ.outJ.println("inflate should report DATA_ERROR");
/* Because of incorrect adler32 */
java.lang.SystemJ.exit(1);
}
err = d_stream.inflateEnd();
CHECK_ERR(d_stream, err, "inflateEnd");
int j = 0;
for (; j < uncompr.Length; j++)
{
if (uncompr[j] == 0)
{
break;
}
}
java.lang.SystemJ.outJ.println("after inflateSync(): hel" + new java.lang.StringJ(uncompr, 0, j));
}
public static BufLen BCGZipCompressNew(BufLen buf)
{
var crc = LZUtils.CRC32(buf);
var dest = new byte[buf.Length + 4096];
var destix = 0;
dest[destix++] = 0x1f;
dest[destix++] = 0x8b;
dest[destix++] = 0x08;
dest[destix++] = 0x00;
dest[destix++] = 0x00;
dest[destix++] = 0x00;
dest[destix++] = 0x00;
dest[destix++] = 0x00;
dest[destix++] = 0x02;
dest[destix++] = 0xFF;
var z = new ZStream();
z.deflateInit(6, true);
z.next_in_index = buf.BaseArrayOffset;
z.next_in = buf.BaseArray;
z.avail_in = buf.Length;
bigger_dest:
z.next_out = dest;
z.next_out_index = destix;
z.avail_out = dest.Length - destix;
var err = z.deflate(JZlib.Z_FINISH);
if (err != JZlib.Z_OK && err != JZlib.Z_STREAM_END)
{
throw new IOException("deflating: " + z.msg);
}
if (z.avail_out == 0)
{
var newdest = new byte[dest.Length * 2];
Array.Copy(dest, newdest, dest.Length);
destix = dest.Length;
dest = newdest;
goto bigger_dest;
}
if (z.avail_out < 8)
{
var newdest = new byte[dest.Length + 8];
Array.Copy(dest, newdest, dest.Length);
destix = dest.Length;
dest = newdest;
goto bigger_dest;
}
var result = new BufLen(dest, 0, 10 + dest.Length - z.avail_out + 8);
result.Poke32(crc, result.Length - 8);
result.Poke32((uint)buf.Length, result.Length - 4);
z.deflateEnd();
/*
* using ( var foos = new FileStream( "test.gz", FileMode.Create, FileAccess.Write ) )
* {
* foos.Write( msb );
* }
*/
return(result);
}
public static Tuple <byte[], uint> Deflate(byte[] input)
{
// ReSharper disable InconsistentNaming
const int Z_OK = 0;
const int Z_MEM_ERROR = -4;
const int Z_STREAM_ERROR = -2;
const int Z_FINISH = 4;
const int Z_STREAM_END = 1;
// ReSharper restore InconsistentNaming
var crc32 = Crc32Algorithm.Compute(input);
var result = new MemoryStream();
var outputBuf = new byte[65536];
var zstream = new ZStream();
try
{
switch (zstream.deflateInit(9, true))
{
case Z_OK:
break;
case Z_MEM_ERROR:
throw new OutOfMemoryException("zlib ran out of memory");
case Z_STREAM_ERROR:
throw new ArgumentException();
default:
throw new InvalidOperationException(zstream.msg);
}
zstream.next_in = input;
zstream.next_in_index = 0;
zstream.avail_in = input.Length;
do
{
zstream.next_out = outputBuf;
zstream.next_out_index = 0;
zstream.avail_out = outputBuf.Length;
switch (zstream.deflate(Z_FINISH))
{
case Z_OK:
case Z_STREAM_END:
var count = outputBuf.Length - zstream.avail_out;
if (count > 0)
{
result.Write(outputBuf, 0, count);
}
continue;
default:
throw new IOException("deflating: " + zstream.msg);
}
}while (zstream.avail_in > 0 || zstream.avail_out == 0);
return(Tuple.Create(result.ToArray(), crc32));
}
finally
{
zstream.free();
}
}
public static PhpString gzencode(byte[] data, int level = -1, int encoding_mode = FORCE_GZIP)
{
if ((level < -1) || (level > 9))
{
PhpException.Throw(PhpError.Warning, "compression level ({0}) must be within -1..9", level.ToString());
return(default(PhpString));
}
ZStream zs = new ZStream();
int status = zlibConst.Z_OK;
zs.next_in = data;
zs.avail_in = data.Length;
// heuristic for max data length
zs.avail_out = data.Length + data.Length / Zlib.PHP_ZLIB_MODIFIER + 15 + 1;
zs.next_out = new byte[zs.avail_out];
switch (encoding_mode)
{
case (int)ForceConstants.FORCE_GZIP:
if ((status = zs.deflateInit(level, -MAX_WBITS)) != zlibConst.Z_OK)
{
PhpException.Throw(PhpError.Warning, zError(status));
return(default(PhpString));
}
break;
case (int)ForceConstants.FORCE_DEFLATE:
if ((status = zs.deflateInit(level)) != zlibConst.Z_OK)
{
PhpException.Throw(PhpError.Warning, zError(status));
return(default(PhpString));
}
break;
}
status = zs.deflate(zlibConst.Z_FINISH);
if (status != zlibConst.Z_STREAM_END)
{
zs.deflateEnd();
if (status == zlibConst.Z_OK)
{
status = zlibConst.Z_STREAM_ERROR;
}
}
else
{
status = zs.deflateEnd();
}
if (status == zlibConst.Z_OK)
{
long output_length = zs.total_out + (encoding_mode == (int)ForceConstants.FORCE_GZIP ? GZIP_HEADER_LENGTH + GZIP_FOOTER_LENGTH : GZIP_HEADER_LENGTH);
long output_offset = GZIP_HEADER_LENGTH;
byte[] output = new byte[output_length];
Buffer.BlockCopy(zs.next_out, 0, output, (int)output_offset, (int)zs.total_out);
// fill the header
output[0] = GZIP_HEADER[0];
output[1] = GZIP_HEADER[1];
output[2] = Z_DEFLATED; // zlib constant (private in ZLIB.NET)
output[3] = 0; // reserved flag bits (this function puts invalid flags in here)
// 4-8 represent time and are set to zero
output[9] = OS_CODE; // php constant
if (encoding_mode == (int)ForceConstants.FORCE_GZIP)
{
var crc_algo = new PhpHash.HashPhpResource.CRC32();
byte[] crc = crc_algo.ComputeHash(data);
crc_algo.Dispose();
output[output_length - 8] = crc[0];
output[output_length - 7] = crc[1];
output[output_length - 6] = crc[2];
output[output_length - 5] = crc[3];
output[output_length - 4] = (byte)(zs.total_in & 0xFF);
output[output_length - 3] = (byte)((zs.total_in >> 8) & 0xFF);
output[output_length - 2] = (byte)((zs.total_in >> 16) & 0xFF);
output[output_length - 1] = (byte)((zs.total_in >> 24) & 0xFF);
}
return(new PhpString(output));
}
else
{
PhpException.Throw(PhpError.Warning, zError(status) ?? zs.msg);
return(default(PhpString));
}
}
public static void main(String[] arg)
{
int err;
int comprLen = 40000;
int uncomprLen = comprLen;
byte[] compr = new byte[comprLen];
byte[] uncompr = new byte[uncomprLen];
ZStream c_stream = new ZStream();
err = c_stream.deflateInit(JZlib.Z_BEST_SPEED);
CHECK_ERR(c_stream, err, "deflateInit");
c_stream.next_out = compr;
c_stream.next_out_index = 0;
c_stream.avail_out = comprLen;
// At this point, uncompr is still mostly zeroes, so it should compress
// very well:
c_stream.next_in = uncompr;
c_stream.avail_in = uncomprLen;
err = c_stream.deflate(JZlib.Z_NO_FLUSH);
CHECK_ERR(c_stream, err, "deflate");
if (c_stream.avail_in != 0)
{
java.lang.SystemJ.outJ.println("deflate not greedy");
java.lang.SystemJ.exit(1);
}
// Feed in already compressed data and switch to no compression:
c_stream.deflateParams(JZlib.Z_NO_COMPRESSION, JZlib.Z_DEFAULT_STRATEGY);
c_stream.next_in = compr;
c_stream.next_in_index = 0;
c_stream.avail_in = comprLen / 2;
err = c_stream.deflate(JZlib.Z_NO_FLUSH);
CHECK_ERR(c_stream, err, "deflate");
// Switch back to compressing mode:
c_stream.deflateParams(JZlib.Z_BEST_COMPRESSION, JZlib.Z_FILTERED);
c_stream.next_in = uncompr;
c_stream.next_in_index = 0;
c_stream.avail_in = uncomprLen;
err = c_stream.deflate(JZlib.Z_NO_FLUSH);
CHECK_ERR(c_stream, err, "deflate");
err = c_stream.deflate(JZlib.Z_FINISH);
if (err != JZlib.Z_STREAM_END)
{
java.lang.SystemJ.outJ.println("deflate should report Z_STREAM_END");
java.lang.SystemJ.exit(1);
}
err = c_stream.deflateEnd();
CHECK_ERR(c_stream, err, "deflateEnd");
ZStream d_stream = new ZStream();
d_stream.next_in = compr;
d_stream.next_in_index = 0;
d_stream.avail_in = comprLen;
err = d_stream.inflateInit();
CHECK_ERR(d_stream, err, "inflateInit");
while (true)
{
d_stream.next_out = uncompr;
d_stream.next_out_index = 0;
d_stream.avail_out = uncomprLen;
err = d_stream.inflate(JZlib.Z_NO_FLUSH);
if (err == JZlib.Z_STREAM_END)
{
break;
}
CHECK_ERR(d_stream, err, "inflate large");
}
err = d_stream.inflateEnd();
CHECK_ERR(d_stream, err, "inflateEnd");
if (d_stream.total_out != 2 * uncomprLen + comprLen / 2)
{
java.lang.SystemJ.outJ.println("bad large inflate: " + d_stream.total_out);
java.lang.SystemJ.exit(1);
}
else
{
java.lang.SystemJ.outJ.println("large_inflate(): OK");
}
}
