public static int GetEstimatedMessageSize(AnnotatedMessage message)
{
var size = 0;
if (message.Header != null)
{
size += 64;
}
if (message.DeliveryAnnotations != null)
{
size += 64;
}
if (message.MessageAnnotations != null)
{
size += 64;
}
if (message.BareMessage != null)
{
size += message.BareMessage.Length;
}
if (message.Footer != null)
{
size += 64;
}
return(size);
}
public static void Encode(AnnotatedMessage message, ByteBuffer buffer)
{
if (message.Header != null)
{
message.Header.Encode(buffer);
}
if (message.DeliveryAnnotations != null)
{
message.DeliveryAnnotations.Encode(buffer);
}
if (message.MessageAnnotations != null)
{
message.MessageAnnotations.Encode(buffer);
}
if (message.BareMessage != null && message.BareMessage.Length > 0)
{
AmqpBitConverter.WriteBytes(buffer, message.BareMessage, 0, message.BareMessage.Length);
}
if (message.Footer != null)
{
message.Footer.Encode(buffer);
}
}
public static AnnotatedMessage Decode(ByteBuffer buffer)
{
var message = new AnnotatedMessage();
int bareMessageStartOffset = -1;
int bareMessageEndOffset = -1;
while (buffer.LengthAvailableToRead > 0)
{
int offOfDescribedList = buffer.ReadOffset;
// peak at the type of the described list
var formatCode = AmqpCodec.DecodeFormatCode(buffer);
if (formatCode != FormatCode.Described)
throw new AmqpException(ErrorCode.FramingError, $"Expected Format Code = {FormatCode.Described.ToHex()} but was {formatCode.ToHex()}");
var descriptor = AmqpCodec.DecodeDescriptor(buffer);
if (descriptor == DescribedTypeCodec.Header)
{
message.Header = (Header)AmqpCodec.DecodeKnownDescribedType(buffer, descriptor);
continue;
}
if (descriptor == DescribedTypeCodec.DeliveryAnnotations)
{
message.DeliveryAnnotations = (DeliveryAnnotations)AmqpCodec.DecodeKnownDescribedType(buffer, descriptor);
continue;
}
if (descriptor == DescribedTypeCodec.MessageAnnotations)
{
message.MessageAnnotations = (MessageAnnotations)AmqpCodec.DecodeKnownDescribedType(buffer, descriptor);
continue;
}
if (descriptor == DescribedTypeCodec.Footer)
{
message.Footer = (Footer)AmqpCodec.DecodeKnownDescribedType(buffer, descriptor);
continue;
}
if (descriptor == DescribedTypeCodec.Properties)
{
if (bareMessageStartOffset < 0)
bareMessageStartOffset = offOfDescribedList; // the first described list in the bare message
SkipDescribedList(buffer);
bareMessageEndOffset = buffer.ReadOffset;
continue;
}
if (descriptor == DescribedTypeCodec.ApplicationProperties)
{
if (bareMessageStartOffset < 0)
bareMessageStartOffset = offOfDescribedList; // the first described list in the bare message
SkipDescribedList(buffer);
bareMessageEndOffset = buffer.ReadOffset;
continue;
}
if (descriptor == DescribedTypeCodec.Data)
{
if (bareMessageStartOffset < 0)
bareMessageStartOffset = offOfDescribedList; // the first described list in the bare message
SkipBinaryBuffer(buffer);
bareMessageEndOffset = buffer.ReadOffset;
continue;
}
if (descriptor == DescribedTypeCodec.AmqpValue)
{
if (bareMessageStartOffset < 0)
bareMessageStartOffset = offOfDescribedList; // the first described list in the bare message
throw new NotImplementedException();
//continue;
}
if (descriptor == DescribedTypeCodec.AmqpSequence)
{
if (bareMessageStartOffset < 0)
bareMessageStartOffset = offOfDescribedList; // the first described list in the bare message
throw new NotImplementedException();
//continue;
}
}
if (bareMessageStartOffset > -1)
{
message.BareMessage = new byte[bareMessageEndOffset - bareMessageStartOffset];
Array.Copy(buffer.Buffer, bareMessageStartOffset, message.BareMessage, 0, message.BareMessage.Length);
}
return message;
}
public static int GetEstimatedMessageSize(AnnotatedMessage message)
{
var size = 0;
if (message.Header != null)
size += 64;
if (message.DeliveryAnnotations != null)
size += 64;
if (message.MessageAnnotations != null)
size += 64;
if (message.BareMessage != null)
size += message.BareMessage.Length;
if (message.Footer != null)
size += 64;
return size;
}
public static void Encode(AnnotatedMessage message, ByteBuffer buffer)
{
if (message.Header != null)
message.Header.Encode(buffer);
if (message.DeliveryAnnotations != null)
message.DeliveryAnnotations.Encode(buffer);
if (message.MessageAnnotations != null)
message.MessageAnnotations.Encode(buffer);
if (message.BareMessage != null && message.BareMessage.Length > 0)
AmqpBitConverter.WriteBytes(buffer, message.BareMessage, 0, message.BareMessage.Length);
if (message.Footer != null)
message.Footer.Encode(buffer);
}
public static AnnotatedMessage Decode(ByteBuffer buffer)
{
var message = new AnnotatedMessage();
int bareMessageStartOffset = -1;
int bareMessageEndOffset = -1;
while (buffer.LengthAvailableToRead > 0)
{
int offOfDescribedList = buffer.ReadOffset;
// peak at the type of the described list
var formatCode = AmqpCodec.DecodeFormatCode(buffer);
if (formatCode != FormatCode.Described)
{
throw new AmqpException(ErrorCode.FramingError, $"Expected Format Code = {FormatCode.Described.ToHex()} but was {formatCode.ToHex()}");
}
var descriptor = AmqpCodec.DecodeDescriptor(buffer);
if (descriptor == DescribedTypeCodec.Header)
{
message.Header = (Header)AmqpCodec.DecodeKnownDescribedType(buffer, descriptor);
continue;
}
if (descriptor == DescribedTypeCodec.DeliveryAnnotations)
{
message.DeliveryAnnotations = (DeliveryAnnotations)AmqpCodec.DecodeKnownDescribedType(buffer, descriptor);
continue;
}
if (descriptor == DescribedTypeCodec.MessageAnnotations)
{
message.MessageAnnotations = (MessageAnnotations)AmqpCodec.DecodeKnownDescribedType(buffer, descriptor);
continue;
}
if (descriptor == DescribedTypeCodec.Footer)
{
message.Footer = (Footer)AmqpCodec.DecodeKnownDescribedType(buffer, descriptor);
continue;
}
if (descriptor == DescribedTypeCodec.Properties)
{
if (bareMessageStartOffset < 0)
{
bareMessageStartOffset = offOfDescribedList; // the first described list in the bare message
}
SkipDescribedList(buffer);
bareMessageEndOffset = buffer.ReadOffset;
continue;
}
if (descriptor == DescribedTypeCodec.ApplicationProperties)
{
if (bareMessageStartOffset < 0)
{
bareMessageStartOffset = offOfDescribedList; // the first described list in the bare message
}
SkipDescribedList(buffer);
bareMessageEndOffset = buffer.ReadOffset;
continue;
}
if (descriptor == DescribedTypeCodec.Data)
{
if (bareMessageStartOffset < 0)
{
bareMessageStartOffset = offOfDescribedList; // the first described list in the bare message
}
SkipBinaryBuffer(buffer);
bareMessageEndOffset = buffer.ReadOffset;
continue;
}
if (descriptor == DescribedTypeCodec.AmqpValue)
{
if (bareMessageStartOffset < 0)
{
bareMessageStartOffset = offOfDescribedList; // the first described list in the bare message
}
throw new NotImplementedException();
//continue;
}
if (descriptor == DescribedTypeCodec.AmqpSequence)
{
if (bareMessageStartOffset < 0)
{
bareMessageStartOffset = offOfDescribedList; // the first described list in the bare message
}
throw new NotImplementedException();
//continue;
}
}
if (bareMessageStartOffset > -1)
{
message.BareMessage = new byte[bareMessageEndOffset - bareMessageStartOffset];
Array.Copy(buffer.Buffer, bareMessageStartOffset, message.BareMessage, 0, message.BareMessage.Length);
}
return(message);
}
