/// <summary>
/// This method loads the data from cache into a Hashtable.
///
/// Pass a SockIO object which is ready to receive data and a Hashtable
/// to store the results.
/// </summary>
/// <param name="sock">socket waiting to pass back data</param>
/// <param name="hm">hashmap to store data into</param>
/// <param name="asString">if true, and if we are using NativehHandler, return string val</param>
private void LoadItems(SockIO sock, Hashtable hm, bool asString)
{
while(true)
{
string line = sock.ReadLine();
if(log.IsDebugEnabled)
{
log.Debug(GetLocalizedString("loaditems line").Replace("$$Line$$", line));
}
if(line.StartsWith(VALUE))
{
string[] info = line.Split(' ');
string key = info[1];
int flag = int.Parse(info[2], new NumberFormatInfo());
int length = int.Parse(info[3], new NumberFormatInfo());
if(log.IsDebugEnabled)
{
log.Debug(GetLocalizedString("loaditems header").Replace("$$Key$$", key).Replace("$$Flags$$", flag.ToString(new NumberFormatInfo())).Replace("$$Length$$", length.ToString(new NumberFormatInfo())));
}
// read obj into buffer
byte[] buf = new byte[length];
sock.Read(buf);
sock.ClearEndOfLine();
// ready object
object o;
// check for compression
if((flag & F_COMPRESSED) != 0)
{
try
{
// read the input stream, and write to a byte array output stream since
// we have to read into a byte array, but we don't know how large it
// will need to be, and we don't want to resize it a bunch
GZipInputStream gzi = new GZipInputStream(new MemoryStream(buf));
MemoryStream bos = new MemoryStream(buf.Length);
int count;
byte[] tmp = new byte[2048];
while((count = gzi.Read(tmp, 0, tmp.Length)) > 0)
{
bos.Write(tmp, 0, count);
}
// store uncompressed back to buffer
buf = bos.ToArray();
gzi.Close();
}
catch(IOException e)
{
if(log.IsErrorEnabled)
{
log.Error(GetLocalizedString("loaditems uncompression IOException").Replace("$$Key$$", key), e);
}
throw new IOException(GetLocalizedString("loaditems uncompression IOException").Replace("$$Key$$", key), e);
}
}
// we can only take out serialized objects
if((flag & F_SERIALIZED) == 0)
{
if(_primitiveAsString || asString)
{
// pulling out string value
if(log.IsInfoEnabled)
{
log.Info(GetLocalizedString("loaditems retrieve as string"));
}
o = Encoding.GetEncoding(_defaultEncoding).GetString(buf);
}
else
{
// decoding object
try
{
o = NativeHandler.Decode(buf);
}
catch(Exception e)
{
if(log.IsErrorEnabled)
{
log.Error(GetLocalizedString("loaditems deserialize error").Replace("$$Key$$", key), e);
}
throw new IOException(GetLocalizedString("loaditems deserialize error").Replace("$$Key$$", key), e);
}
}
}
else
{
// deserialize if the data is serialized
try
{
MemoryStream memStream = new MemoryStream(buf);
o = new BinaryFormatter().Deserialize(memStream);
if(log.IsInfoEnabled)
{
log.Info(GetLocalizedString("loaditems deserializing").Replace("$$Class$$", o.GetType().Name));
}
}
catch(SerializationException e)
{
if(log.IsErrorEnabled)
{
log.Error(GetLocalizedString("loaditems SerializationException").Replace("$$Key$$", key), e);
}
throw new IOException(GetLocalizedString("loaditems SerializationException").Replace("$$Key$$", key), e);
}
}
// store the object into the cache
hm[ key ] = o ;
}
else if(END == line)
{
if(log.IsDebugEnabled)
{
log.Debug(GetLocalizedString("loaditems finished"));
}
break;
}
}
}
