| 3 | |
| 4 | #[tokio::main] |
| 5 | async fn main() { |
| 6 | |
| 7 | // path can be '.' in storage::open |
| 8 | let path = "."; |
| 9 | |
| 10 | let storage_name = "blackbird"; |
| 11 | let total_page_size = 1000; |
| 12 | |
| 13 | // ** RamCopies ** |
| 14 | // Dont log to disk and after shutdown , loss data |
| 15 | |
| 16 | let stype = StorageType::RamCopies ; |
| 17 | |
| 18 | // ** DiskCopies ** |
| 19 | // whole storage operation is in-memory but log to disk, |
| 20 | // automatic load whole data after restart, avoid any loss data |
| 21 | // |
| 22 | // let stype = StorageType::DiskCopies; |
| 23 | |
| 24 | |
| 25 | let ops = Options::new(path, storage_name, total_page_size, StorageType::RamCopies, true); |
| 26 | |
| 27 | |
| 28 | // *************************************************************************** |
| 29 | // ** ** |
| 30 | // ** 1. Storage is built for high concurrency usage ** |
| 31 | // ** 2. dont need to Mutex / Rwlock ** |
| 32 | // ** 3. it is safe for shared between thread ** |
| 33 | // ** ** |
| 34 | // *************************************************************************** |
| 35 | |
| 36 | |
| 37 | |
| 38 | // create storage and initialize other service (reporter, disk_log) |
| 39 | // |
| 40 | // when calling storage::open, it load whole storage from disk |
| 41 | // |
| 42 | let s = Arc::new(Storage::<Pid, User>::open(ops).await.unwrap()); |
| 43 | |
| 44 | |
| 45 | |
| 46 | // spawn a task for inserting to storage |
| 47 | let s1 = s.clone(); |
| 48 | tokio::spawn(async move { |
| 49 | let _ = s1.insert("98 000xxxxx1".to_owned(), User::new("DanyalMh")).await; |
| 50 | }); |
| 51 | |
| 52 | |
| 53 | |
| 54 | // spawn another task for inserting to storage |
| 55 | let s2 = s.clone(); |
| 56 | tokio::spawn(async move { |
| 57 | let _ = s2.insert("98 000xxxxx1".to_owned(), User::new("DanyalMh")).await; |
| 58 | }); |
| 59 | |
| 60 | |
| 61 | |
| 62 | let s3 = s.clone(); |