fn write_snapshot()

in common/rusty_leveldb_sgx/src/version_set.rs [455:480]

• 21 lines of code
• 5 McCabe index (conditional complexity)

    fn write_snapshot(&mut self) -> Result<usize> {
        assert!(self.descriptor_log.is_some());

        let mut edit = VersionEdit::new();
        edit.set_comparator_name(self.opt.cmp.id());

        // Save compaction pointers.
        for level in 0..NUM_LEVELS {
            if !self.compaction_ptrs[level].is_empty() {
                edit.set_compact_pointer(level, &self.compaction_ptrs[level]);
            }
        }

        let current = self.current.as_ref().unwrap().borrow();
        // Save files.
        for level in 0..NUM_LEVELS {
            let fs = &current.files[level];
            for f in fs {
                edit.add_file(level, f.borrow().clone());
            }
        }
        self.descriptor_log
            .as_mut()
            .unwrap()
            .add_record(&edit.encode())
    }