public override void Deserialize(SectionFlag desiredSections)
{
if (!this.deserialized)
{
BufferListStream stream = (BufferListStream)this.bufferStream.Clone();
AmqpMessageReader reader = new AmqpMessageReader(stream);
reader.ReadMessage(this, desiredSections);
stream.Dispose();
this.deserialized = true;
}
}
static void ReadDataSection(AmqpMessageReader reader, AmqpMessage message)
{
FormatCode formatCode = reader.ReadFormatCode();
Fx.Assert(formatCode == FormatCode.Binary8 || formatCode == FormatCode.Binary32, "Invalid binary format code");
bool smallEncoding = formatCode == FormatCode.Binary8;
int count = reader.ReadInt(smallEncoding);
ArraySegment <byte> buffer = reader.ReadBytes(count);
AmqpMessage.EnsureInitialized <List <Data> >(ref reader.dataList);
reader.dataList.Add(new Data()
{
Value = buffer
});
reader.AddBodyBuffer(buffer);
}
static T ReadMapSection <T>(AmqpMessageReader reader) where T : DescribedMap, new()
{
T section = new T();
FormatCode formatCode = reader.ReadFormatCode();
Fx.Assert(formatCode == FormatCode.Map8 || formatCode == FormatCode.Map32, "Invalid map format code");
bool smallEncoding = formatCode == FormatCode.Map8;
int size = reader.ReadInt(smallEncoding);
int count = reader.ReadInt(smallEncoding);
if (count > 0)
{
ArraySegment <byte> bytes = reader.ReadBytes(size - (smallEncoding ? FixedWidth.UByte : FixedWidth.UInt));
section.DecodeValue(ByteBuffer.Wrap(bytes), size, count);
}
return(section);
}
static T ReadListSection <T>(AmqpMessageReader reader, bool isBodySection = false) where T : DescribedList, new()
{
T section = new T();
long position = reader.stream.Position;
FormatCode formatCode = reader.ReadFormatCode();
Fx.Assert(formatCode == FormatCode.List8 || formatCode == FormatCode.List0 || formatCode == FormatCode.List32, "Invalid list format code");
if (formatCode == FormatCode.List0)
{
return(section);
}
bool smallEncoding = formatCode == FormatCode.List8;
int size = reader.ReadInt(smallEncoding);
int count = reader.ReadInt(smallEncoding);
if (count == 0)
{
return(section);
}
long position2 = reader.stream.Position;
ArraySegment <byte> bytes = reader.ReadBytes(size - (smallEncoding ? FixedWidth.UByte : FixedWidth.UInt));
long position3 = reader.stream.Position;
section.DecodeValue(ByteBuffer.Wrap(bytes), size, count);
// Check if we are decoding the AMQP value body
if (isBodySection)
{
reader.stream.Position = position;
ArraySegment <byte> segment = reader.stream.ReadBytes((int)(position2 - position));
reader.stream.Position = position3;
reader.AddBodyBuffer(segment);
reader.AddBodyBuffer(bytes);
}
return(section);
}
static void ReadAmqpValueSection(AmqpMessageReader reader, AmqpMessage message)
{
ArraySegment <byte> buffer = reader.ReadBytes(int.MaxValue);
ByteBuffer byteBuffer = ByteBuffer.Wrap(buffer);
object value = AmqpCodec.DecodeObject(byteBuffer);
reader.amqpValue = new AmqpValue()
{
Value = value
};
reader.AddBodyBuffer(buffer);
// we didn't know the size and the buffer may include the footer
if (byteBuffer.Length > 0)
{
Footer footer = new Footer();
footer.Decode(byteBuffer);
message.Footer = footer;
}
}
protected override void OnInitialize()
{
// mask off immutable sections except footer
this.properties = null;
this.applicationProperties = null;
this.footer = null;
BufferListStream stream = this.messageStream as BufferListStream;
if (stream != null && !this.ownStream)
{
stream = (BufferListStream)stream.Clone();
}
else
{
int length = 0;
ArraySegment <byte>[] buffers = AmqpMessage.ReadStream(this.messageStream, 512, out length);
stream = new BufferListStream(buffers);
}
AmqpMessageReader reader = new AmqpMessageReader(stream);
AmqpMessage emptyMessage = AmqpMessage.Create();
reader.ReadMessage(emptyMessage, SectionFlag.Header | SectionFlag.DeliveryAnnotations | SectionFlag.MessageAnnotations);
this.UpdateHeader(emptyMessage.header);
this.UpdateDeliveryAnnotations(emptyMessage.deliveryAnnotations);
this.UpdateMessageAnnotations(emptyMessage.messageAnnotations);
// read out the remaining buffers
bool unused = false;
this.buffers = stream.ReadBuffers(int.MaxValue, true, out unused);
stream.Dispose();
if (this.ownStream)
{
this.messageStream.Dispose();
}
}
static void ReadFooterSection(AmqpMessageReader reader, AmqpMessage message)
{
message.Footer = ReadMapSection <Footer>(reader);
}
static void ReadAmqpSequenceSection(AmqpMessageReader reader, AmqpMessage message)
{
AmqpMessage.EnsureInitialized <List <AmqpSequence> >(ref reader.sequenceList);
reader.sequenceList.Add(ReadListSection <AmqpSequence>(reader, true));
}
static void ReadApplicationPropertiesSection(AmqpMessageReader reader, AmqpMessage message)
{
message.ApplicationProperties = ReadMapSection <ApplicationProperties>(reader);
}
static void ReadPropertiesSection(AmqpMessageReader reader, AmqpMessage message)
{
message.Properties = ReadListSection <Properties>(reader);
}
static void ReadMessageAnnotationsSection(AmqpMessageReader reader, AmqpMessage message)
{
message.MessageAnnotations = ReadMapSection <MessageAnnotations>(reader);
}
static void ReadDeliveryAnnotationsSection(AmqpMessageReader reader, AmqpMessage message)
{
message.DeliveryAnnotations = ReadMapSection <DeliveryAnnotations>(reader);
}
static void ReadHeaderSection(AmqpMessageReader reader, AmqpMessage message)
{
message.Header = ReadListSection <Header>(reader);
}