/// <summary>
/// Writes the specified value.
/// </summary>
/// <param name="value">The value.</param>
private void Write(MgBinaryStreamArgumentPacket value)
{
m_stream.Write(BitConverter.GetBytes((UInt32)value.PacketHeader), 0, UInt32Len);
m_stream.Write(BitConverter.GetBytes((UInt32)value.ArgumentType), 0, UInt32Len);
m_stream.Write(BitConverter.GetBytes((UInt32)value.Version), 0, UInt32Len);
m_stream.Write(BitConverter.GetBytes((UInt64)value.Length), 0, UInt64Len);
}
private MgBinaryStreamArgumentPacket ReadBinaryStreamArgumentPacket()
{
MgBinaryStreamArgumentPacket p = new MgBinaryStreamArgumentPacket();
p.PacketHeader = (MgPacketHeader)BitConverter.ToUInt32(ReadStream(MgBinarySerializer.UInt32Len), 0);
p.ArgumentType = (MgArgumentType)BitConverter.ToUInt32(ReadStream(MgBinarySerializer.UInt32Len), 0);
p.Version = BitConverter.ToUInt32(ReadStream(MgBinarySerializer.UInt32Len), 0);
p.Length = BitConverter.ToUInt64(ReadStream(MgBinarySerializer.UInt64Len), 0);
return(p);
}
/// <summary>
/// Reads the stream.
/// </summary>
/// <returns></returns>
public Stream ReadStream()
{
MgBinaryStreamArgumentPacket p = ReadBinaryStreamArgumentPacket();
if (p.ArgumentType != MgArgumentType.Stream)
{
throw new InvalidCastException(string.Format(Strings.ErrorBinarySerializerUnexpectedType, p.ArgumentType.ToString(), "Stream")); //NOXLATE
}
if (ReadBool())
{
return(null);
}
//TODO: If the stream is large, we use a lot of memory, perhaps the filebacked async stream could be used
//Due to the annoying embedded buffer size markers, we cannot return the stream 'as is' Grrrrrr!
int r;
ulong remain = p.Length;
byte[] buf = new byte[1024 * 8];
MemoryStream ms = new MemoryStream();
do
{
int blocksize = ReadInt32();
r = 1;
while (r > 0 && blocksize > 0)
{
r = m_stream.Read(buf, 0, (int)Math.Min((ulong)remain, (ulong)buf.Length));
blocksize -= r;
remain -= (ulong)r;
ms.Write(buf, 0, r);
}
if (blocksize != 0)
{
throw new Exception(Strings.ErrorBinarySerializerPrematureEndOfStream);
}
} while (remain > 0);
ms.Position = 0;
return(ms);
}
/// <summary>
/// Writes the specified value.
/// </summary>
/// <param name="value">The value.</param>
private void Write(MgBinaryStreamArgumentPacket value)
{
m_stream.Write(BitConverter.GetBytes((UInt32)value.PacketHeader), 0, UInt32Len);
m_stream.Write(BitConverter.GetBytes((UInt32)value.ArgumentType), 0, UInt32Len);
m_stream.Write(BitConverter.GetBytes((UInt32)value.Version), 0, UInt32Len);
m_stream.Write(BitConverter.GetBytes((UInt64)value.Length), 0, UInt64Len);
}
private MgBinaryStreamArgumentPacket ReadBinaryStreamArgumentPacket()
{
MgBinaryStreamArgumentPacket p = new MgBinaryStreamArgumentPacket();
p.PacketHeader = (MgPacketHeader)BitConverter.ToUInt32(ReadStream(MgBinarySerializer.UInt32Len), 0);
p.ArgumentType = (MgArgumentType)BitConverter.ToUInt32(ReadStream(MgBinarySerializer.UInt32Len), 0);
p.Version = BitConverter.ToUInt32(ReadStream(MgBinarySerializer.UInt32Len), 0);
p.Length = BitConverter.ToUInt64(ReadStream(MgBinarySerializer.UInt64Len), 0);
return p;
}
