Beispiel #1
0
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);
    }
}
Beispiel #2
0
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);
    }
}