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);
}
}
public static void WriteInitialFileContext(TrackingPipeWriter writer)
{
// Write Preamble
Encoding.UTF8.GetBytes("Nettrace", writer);
// Write StreamHeader
writer.WriteInt(20);
Encoding.UTF8.GetBytes("!FastSerialization.1", writer);
}
private static void WriteBlockBodyPreamble(TrackingPipeWriter writer, NettraceBlock block)
{
if (block.Type.Name == KnownTypeNames.Trace)
{
return;
}
// padding should run before writing block size
var padding = GetPadding(writer, block);
// Write block size
writer.WriteInt(block.Size);
// Write padding
Span <byte> span = stackalloc byte[padding];
writer.Write(span);
}