bool LeafNode::read_bucket(BlockReader& reader,
size_t compressed_length,
size_t uncompressed_length,
RecordBucket *bucket, Slice buffer)
{
if (tree_->compressor_) {
// 1. uncompress
assert(compressed_length <= reader.remain());
assert(uncompressed_length <= buffer.size());
// 1. uncompress
if (!tree_->compressor_->uncompress(reader.addr(),
compressed_length, (char *)buffer.data())) {
return false;
}
reader.skip(compressed_length);
// 2. deserialize
Block block(buffer, 0, uncompressed_length);
BlockReader rr(&block);
return read_bucket(rr, bucket);
} else {
return read_bucket(reader, bucket);
}
}
bool InnerNode::read_msgbuf(BlockReader& reader,
size_t compressed_length,
size_t uncompressed_length,
MsgBuf *mb, Slice buffer)
{
if (tree_->compressor_) {
assert(compressed_length <= reader.remain());
assert(uncompressed_length <= buffer.size());
// 1. uncompress
if (!tree_->compressor_->uncompress(reader.addr(),
compressed_length, (char *)buffer.data())) {
return false;
}
reader.skip(compressed_length);
// 2. deserialize
Block block(buffer, 0, uncompressed_length);
BlockReader rr(&block);
return mb->read_from(rr);
} else {
return mb->read_from(reader);
}
}