public static RpcException Decorate(RpcException exception)
{
var metadata = new Metadata();
foreach (var trailer in exception.Trailers)
{
metadata.Add(trailer);
}
var detailBytes = ((IRpcExceptionDetail)exception).DetailBytes();
var length = detailBytes.Length;
if (length < ChunkSize)
{
metadata.Add(DetailKey, detailBytes);
}
else
{
// Hopefully this will never get used.
int i = 0;
foreach (var chunk in LargeArray.Chunk(detailBytes, ChunkSize))
{
var key = string.Format(DetailChunkKey, i);
metadata.Add(key, chunk);
i++;
}
metadata.Add(DetailChunkCount, i.ToString());
}
metadata.Add(DetailKey, ((IRpcExceptionDetail)exception).DetailBytes());
throw new RpcException(exception.Status, metadata, exception.Message);
}
public static bool Build(RpcException baseException, [NotNullWhen(true)] out RpcException?exception)
{
var trailers = baseException.Trailers;
var detail = trailers.GetValueBytes(TypedExceptionInterceptor.DetailKey);
if (!(detail is null))
{
return(TryBuild(baseException, detail, out exception));
}
var detailChunkCountStr = trailers.GetValue(TypedExceptionInterceptor.DetailChunkCount);
if (!(detailChunkCountStr is null) && int.TryParse(detailChunkCountStr, out int detailChunkCount))
{
var chunks = new List <byte[]>(detailChunkCount);
for (int i = 0; i < detailChunkCount; i++)
{
var key = string.Format(TypedExceptionInterceptor.DetailChunkKey, i);
var chunk = trailers.GetValueBytes(key);
if (chunk is null)
{
exception = default;
return(false);
}
chunks.Add(chunk);
}
detail = LargeArray.Combine(chunks);
return(TryBuild(baseException, detail, out exception));
}
exception = default;
return(false);
}
