public static byte[] Compress(object source)
{
try
{
XmlSerializer xmlSerializer = new XmlSerializer(source.GetType());
MemoryStream memoryStream = new MemoryStream();
xmlSerializer.Serialize((Stream)memoryStream, source);
byte[] source1 = memoryStream.ToArray();
memoryStream.Close();
int length = source1.Length;
int destLength = source1.Length + 1;
byte[] dest = new byte[destLength];
if (ZLib.compress2(dest, ref destLength, source1, source1.Length, ZLib.ZLibCompressionLevel.Z_BEST_COMPRESSION) != ZLib.ZLibError.Z_OK)
{
return(new byte[0]);
}
byte[] numArray = new byte[destLength + 4];
Array.Copy((Array)dest, 0, (Array)numArray, 4, destLength);
numArray[0] = (byte)length;
numArray[1] = (byte)(length >> 8);
numArray[2] = (byte)(length >> 16);
numArray[3] = (byte)(length >> 24);
return(numArray);
}
catch (Exception ex)
{
return(new byte[0]);
}
}
public static object Decompress(byte[] data, Type type)
{
object obj;
try
{
int num = data[0] | data[1] << 8 | data[2] << 16 | data[3] << 24;
byte[] numArray = new byte[(int)data.Length - 4];
Array.Copy(data, 4, numArray, 0, (int)data.Length - 4);
byte[] numArray1 = new byte[num];
if (ZLib.uncompress(numArray1, ref num, numArray, (int)numArray.Length) == ZLib.ZLibError.Z_OK)
{
MemoryStream memoryStream = new MemoryStream(numArray1);
object obj1 = (new XmlSerializer(type)).Deserialize(memoryStream);
memoryStream.Close();
obj = obj1;
}
else
{
obj = null;
}
}
catch
{
obj = null;
}
return(obj);
}
public static byte[] Compress(object source)
{
byte[] numArray;
try
{
XmlSerializer xmlSerializer = new XmlSerializer(source.GetType());
MemoryStream memoryStream = new MemoryStream();
xmlSerializer.Serialize(memoryStream, source);
byte[] array = memoryStream.ToArray();
memoryStream.Close();
int length = (int)array.Length;
int num = (int)array.Length + 1;
byte[] numArray1 = new byte[num];
if (ZLib.compress2(numArray1, ref num, array, (int)array.Length, ZLib.ZLibCompressionLevel.Z_BEST_COMPRESSION) == ZLib.ZLibError.Z_OK)
{
byte[] numArray2 = new byte[num + 4];
Array.Copy(numArray1, 0, numArray2, 4, num);
numArray2[0] = (byte)length;
numArray2[1] = (byte)(length >> 8);
numArray2[2] = (byte)(length >> 16);
numArray2[3] = (byte)(length >> 24);
numArray = numArray2;
}
else
{
numArray = new byte[0];
}
}
catch (Exception exception)
{
numArray = new byte[0];
}
return(numArray);
}
public static bool CheckVersion()
{
string[] strArray;
try
{
strArray = ZLib.zlibVersion().Split('.');
}
catch (DllNotFoundException ex)
{
return(false);
}
return(strArray[0] == "1");
}
public static byte[] Decompress(byte[] data)
{
int destLen = (int)data[0] | (int)data[1] << 8 | (int)data[2] << 16 | (int)data[3] << 24;
byte[] source = new byte[data.Length - 4];
Array.Copy((Array)data, 4, (Array)source, 0, data.Length - 4);
byte[] dest = new byte[destLen];
if (ZLib.uncompress(dest, ref destLen, source, source.Length) != ZLib.ZLibError.Z_OK)
{
return((byte[])null);
}
return(dest);
}
public static byte[] Decompress(byte[] data)
{
int num = data[0] | data[1] << 8 | data[2] << 16 | data[3] << 24;
byte[] numArray = new byte[(int)data.Length - 4];
Array.Copy(data, 4, numArray, 0, (int)data.Length - 4);
byte[] numArray1 = new byte[num];
if (ZLib.uncompress(numArray1, ref num, numArray, (int)numArray.Length) != ZLib.ZLibError.Z_OK)
{
return(null);
}
return(numArray1);
}
public static bool CheckVersion()
{
bool flag;
string[] strArrays = null;
try
{
strArrays = ZLib.zlibVersion().Split(new char[] { '.' });
return(strArrays[0] == "1");
}
catch (DllNotFoundException dllNotFoundException)
{
flag = false;
}
return(flag);
}
public static byte[] Compress(byte[] data)
{
int length1 = data.Length;
int length2 = data.Length;
byte[] dest = new byte[data.Length];
if (ZLib.compress(dest, ref length2, data, data.Length) != ZLib.ZLibError.Z_OK)
{
return((byte[])null);
}
byte[] numArray = new byte[length2 + 4];
Array.Copy((Array)dest, 0, (Array)numArray, 4, length2);
numArray[0] = (byte)(length1 & (int)byte.MaxValue);
numArray[1] = (byte)(length1 >> 8 & (int)byte.MaxValue);
numArray[2] = (byte)(length1 >> 16 & (int)byte.MaxValue);
numArray[3] = (byte)(length1 >> 24 & (int)byte.MaxValue);
return(numArray);
}
public static byte[] Compress(byte[] data)
{
int length = (int)data.Length;
int num = (int)data.Length;
byte[] numArray = new byte[(int)data.Length];
if (ZLib.compress(numArray, ref num, data, (int)data.Length) != ZLib.ZLibError.Z_OK)
{
return(null);
}
byte[] numArray1 = new byte[num + 4];
Array.Copy(numArray, 0, numArray1, 4, num);
numArray1[0] = (byte)(length & 255);
numArray1[1] = (byte)(length >> 8 & 255);
numArray1[2] = (byte)(length >> 16 & 255);
numArray1[3] = (byte)(length >> 24 & 255);
return(numArray1);
}
public static object Decompress(byte[] data, Type type)
{
try
{
int destLen = (int)data[0] | (int)data[1] << 8 | (int)data[2] << 16 | (int)data[3] << 24;
byte[] source = new byte[data.Length - 4];
Array.Copy((Array)data, 4, (Array)source, 0, data.Length - 4);
byte[] numArray = new byte[destLen];
if (ZLib.uncompress(numArray, ref destLen, source, source.Length) != ZLib.ZLibError.Z_OK)
{
return((object)null);
}
MemoryStream memoryStream = new MemoryStream(numArray);
object obj = new XmlSerializer(type).Deserialize((Stream)memoryStream);
memoryStream.Close();
return(obj);
}
catch
{
return((object)null);
}
}
public static TransferMessage Decompress(byte[] data, Type type)
{
return(ZLib.Decompress(data, type) as TransferMessage);
}
public virtual byte[] Compress()
{
return(ZLib.Compress((object)this));
}
