Method open

test/test_snapshot.cpp:61–71

    SequentialReadFileSystemAdaptor() {}

    virtual braft::FileAdaptor* open(const std::string& path, int oflag, 
                                    const ::google::protobuf::Message* file_meta,
                                    butil::File::Error* e) {
        braft::FileAdaptor* file =
            braft::PosixFileSystemAdaptor::open(path, oflag, file_meta, e);
        if (file && (oflag & O_RDONLY)) {
            return new ReadFileAdaptor(file);
        } else {
            return file;
        }
    }
};

#define FOR_EACH_FILE_SYSTEM_ADAPTOR_BEGIN(fs)                                   \