Method take

libs/scrap/src/android/ffi.rs:68–84

take inner data as slice release when success

(&mut self)

    // take inner data as slice
    // release when success
    fn take<'a>(&mut self) -> Option<&'a [u8]> {
        if self.enable.not() {
            return None;
        }
        let ptr = self.ptr.load(SeqCst);
        if ptr.is_null() || self.len == 0 {
            None
        } else {
            if self.last_update.elapsed() > self.timeout {
                log::trace!("Failed to take {} raw,timeout!", self.name);
                return None;
            }
            let slice = unsafe { std::slice::from_raw_parts(ptr, self.len) };
            self.release();
            Some(slice)
        }
    }

    fn release(&mut self) {
        self.len = 0;