public static ValueTask <FlushResult> ProcessBlock(TrackingPipeWriter writer, NettraceBlock block, CancellationToken token)
{
// Write opening tag
writer.WriteByte((byte)Tags.BeginPrivateObject);
WriteBlockHeader(writer, block.Type);
var written = compress && CompressBlockHelper.WriteBlockAndPreamble(writer, block);
if (!written)
{
written = decompress && DecompressBlockHelper.WriteBlockAndPreamble(writer, block);
}
if (!written)
{
WriteBlockBodyPreamble(writer, block);
WriteBlockBody(writer, block.BlockBody);
}
// Write closing tag
writer.WriteByte((byte)Tags.EndObject);
return(writer.FlushAsync(token));
}
static public void WriteBlockHeader(TrackingPipeWriter writer, NettraceType type)
{
/*
* [open tag]
* [nullreference tag]
* [type version]
* [minReader Version]
* [length of block name]
* [block name]
* [close tag]
*/
writer.WriteByte((byte)Tags.BeginPrivateObject);
writer.WriteByte((byte)Tags.NullReference);
writer.WriteInt(type.Version);
writer.WriteInt(type.MinimumReaderVersion);
if (type.Name == KnownTypeNames.EventBlock)
{
writer.WriteInt(KnownTypeNames.EventBlockCompressed.Length);
Encoding.UTF8.GetBytes(KnownTypeNames.EventBlockCompressed, writer);
}
else if (type.Name == KnownTypeNames.StackBlock)
{
writer.WriteInt(KnownTypeNames.StackBlockCompressed.Length);
Encoding.UTF8.GetBytes(KnownTypeNames.StackBlockCompressed, writer);
}
else
{
writer.WriteInt(type.Name.Length);
Encoding.UTF8.GetBytes(type.Name, writer);
}
writer.WriteByte((byte)Tags.EndObject);
}
private static void WriteBlockHeader(TrackingPipeWriter writer, NettraceType type)
{
if (compress)
{
CompressBlockHelper.WriteBlockHeader(writer, type);
}
else if (decompress)
{
DecompressBlockHelper.WriteBlockHeader(writer, type);
}
else
{
/*
* [open tag]
* [nullreference tag]
* [type version]
* [minReader Version]
* [length of block name]
* [block name]
* [close tag]
*/
writer.WriteByte((byte)Tags.BeginPrivateObject);
writer.WriteByte((byte)Tags.NullReference);
writer.WriteInt(type.Version);
writer.WriteInt(type.MinimumReaderVersion);
writer.WriteInt(type.Name.Length);
Encoding.UTF8.GetBytes(type.Name, writer);
writer.WriteByte((byte)Tags.EndObject);
}
}