├── .github
    └── workflows
    │   └── run_app.yml
├── .gitignore
├── Cargo.lock
├── Cargo.toml
├── LICENSE
├── README.md
├── examples
    ├── error.js
    ├── raw_app.js
    ├── sync_raw_app.js
    ├── sync_transaction_app.js
    └── transaction_app.js
├── package-lock.json
├── package.json
├── rust-toolchain
├── src
    ├── error.rs
    ├── lib.rs
    ├── raw.rs
    ├── transaction.rs
    └── utils.rs
├── tikv_client
    ├── asynchronous
    │   └── index.ts
    ├── error.ts
    └── index.ts
└── tsconfig.json


/.github/workflows/run_app.yml:
--------------------------------------------------------------------------------
 1 | # This is a basic workflow to help you get started with Actions
 2 | 
 3 | name: CI
 4 | 
 5 | # Controls when the workflow will run
 6 | on:
 7 |   # Triggers the workflow on push or pull request events but only for the master branch
 8 |   push:
 9 |     branches: [ master ]
10 |   pull_request:
11 |     branches: [ master ]
12 | 
13 |   # Allows you to run this workflow manually from the Actions tab
14 |   workflow_dispatch:
15 | 
16 | # A workflow run is made up of one or more jobs that can run sequentially or in parallel
17 | jobs:
18 |   # This workflow contains a single job called "build"
19 |   build:
20 |     # The type of runner that the job will run on
21 |     runs-on: ubuntu-latest
22 |     steps:
23 |       - uses: actions/checkout@v2
24 |       - uses: actions/setup-node@v2
25 |         with:
26 |           node-version: '14'
27 |       - run: npm install
28 |       - run: npm run build
29 | 


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
1 | target
2 | index.node
3 | **/node_modules
4 | **/.DS_Store
5 | npm-debug.log*
6 | 


--------------------------------------------------------------------------------
/Cargo.lock:
--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "tikv-client"
 3 | version = "0.0.0"
 4 | description = "A TiKV client in Node.js."
 5 | authors = ["Mossaka"]
 6 | license = "Apache-2.0"
 7 | edition = "2018"
 8 | exclude = ["index.node"]
 9 | 
10 | [lib]
11 | crate-type = ["cdylib"]
12 | 
13 | [dependencies.neon]
14 | version = "0.8"
15 | default-features = false
16 | features = ["napi-6", "event-queue-api"]
17 | 
18 | [dependencies]
19 | tikv-client = { git="https://github.com/tikv/client-rust.git", branch="master" }
20 | tokio = { version="1.6.1", features=["full"] }
21 | lazy_static = "1"
22 | once_cell = "1.8.0"
23 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | # client-node
 2 | 
 3 | **client-node:** A TiKV client in Node.js.
 4 | 
 5 | This project was bootstrapped by [create-neon](https://www.npmjs.com/package/create-neon).
 6 | 
 7 | ## Installing client-node
 8 | 
 9 | Installing client-node requires a [supported version of Node and Rust](https://github.com/neon-bindings/neon#platform-support).
10 | 
11 | You can install the project with npm. In the project directory, run:
12 | 
13 | ```sh
14 | $ npm install
15 | ```
16 | 
17 | This fully installs the project, including installing any dependencies and running the build.
18 | 
19 | ## Building client-node
20 | 
21 | If you have already installed the project and only want to run the build, run:
22 | 
23 | ```sh
24 | $ npm run build
25 | ```
26 | 
27 | This command uses the [cargo-cp-artifact](https://github.com/neon-bindings/cargo-cp-artifact) utility to run the Rust build and copy the built library into `./index.node`.
28 | 
29 | ## Exploring client-node
30 | 
31 | After building client-node, you can explore its exports at the Node REPL:
32 | 
33 | ```sh
34 | $ npm install
35 | $ node transaction_app.js
36 | v4
37 | v3
38 | [ 'k1', 'v1' ]
39 | [ 'k4', 'v4' ]
40 | ```
41 | 
42 | ## Available Scripts
43 | 
44 | In the project directory, you can run:
45 | 
46 | ### `npm install`
47 | 
48 | Installs the project, including running `npm run build`.
49 | 
50 | ### `npm build`
51 | 
52 | Builds the Node addon (`index.node`) from source.
53 | 
54 | ### `npm test`
55 | 
56 | Runs the unit tests by calling `cargo test`. You can learn more about [adding tests to your Rust code](https://doc.rust-lang.org/book/ch11-01-writing-tests.html) from the [Rust book](https://doc.rust-lang.org/book/).
57 | 


--------------------------------------------------------------------------------
/examples/error.js:
--------------------------------------------------------------------------------
 1 | const assert = require("assert");
 2 | const { OperationAfterCommitError } = require("../dist/error");
 3 | 
 4 | // const tikv = require("../tikv_client/asynchronous");
 5 | 
 6 | // (async () => {
 7 | //     const client = await new tikv.TransactionClient("127.0.0.1:2379");
 8 | //     const txn = await client.begin(true);
 9 | //     await txn.put("k1", "v1");
10 | //     await txn.commit();
11 | //     txn.get("k1").then(v => console.log(v)).catch(e => console.log(e));
12 | //   })();
13 | 
14 | const tikv = require("../dist");
15 | 
16 | const client = new tikv.TransactionClient("127.0.0.1:2379");
17 | const txn = client.begin(true);
18 | txn.put("k1", "v1");
19 | txn.commit();
20 | assert.throws(() => txn.get("k1"), OperationAfterCommitError);
21 | 


--------------------------------------------------------------------------------
/examples/raw_app.js:
--------------------------------------------------------------------------------
 1 | const tikv = require("../dist/asynchronous");
 2 | 
 3 | (async () => {
 4 |   const client = await new tikv.RawClient("127.0.0.1:2379");
 5 |   await client.put("k1", "v1", "default");
 6 |   await client.put("k2", "v2", "default");
 7 |   await client.put("k3", "v3", "default");
 8 |   await client.put("k4", "v4", "default");
 9 |   value = await client.get("k1", "default");
10 |   console.log(value.toString());
11 |   value = await client.get("k2", "default");
12 |   console.log(value.toString());
13 |   value = await client.get("k3", "default");
14 |   console.log(value.toString());
15 |   await client.delete("k4", "default");
16 |   await client.get("k4", "default");
17 | 
18 |   await client.batch_put(
19 |     [
20 |       ["k5", "v5"],
21 |       ["k6", "v6"],
22 |     ],
23 |     "default"
24 |   );
25 |   await client.batch_delete(["k1", "k2", "k5"], "default");
26 |   values = await client.batch_get(
27 |     ["k1", "k2", "k3", "k4", "k5", "k6"],
28 |     "default"
29 |   );
30 | 
31 |   console.log(values);
32 | })();
33 | 


--------------------------------------------------------------------------------
/examples/sync_raw_app.js:
--------------------------------------------------------------------------------
 1 | const tikv = require("../dist");
 2 | 
 3 | const client = new tikv.RawClient("127.0.0.1:2379");
 4 | 
 5 | client.put("k1", "v1", "default");
 6 | client.put("k2", "v2", "default");
 7 | client.put("k3", "v3", "default");
 8 | 
 9 | const v1 = client.get("k1", "default");
10 | const v2 = client.get("k2", "default");
11 | const v3 = client.get("k3", "default");
12 | 
13 | console.log(v1, v2, v3);
14 | 
15 | client.delete("k1", "default");
16 | client.delete("k2", "default");
17 | 
18 | const v1_ = client.get("k1", "default");
19 | const v2_ = client.get("k2", "default");
20 | 
21 | console.log(v1_, v2_, v3);
22 | 
23 | client.batch_put(
24 |   [
25 |     ["k3", "k4", "k5"],
26 |     ["v3", "v4", "v5"],
27 |   ],
28 |   "default"
29 | );
30 | const vals = client.batch_get(["k3", "k4", "k5"], "default");
31 | for (let i = 0; i < vals.length; i++) {
32 |   console.log(vals[i]);
33 | }
34 | 
35 | const scan_vals = client.scan("k1", "k5", 10, true, true, "default");
36 | for (let i = 0; i < scan_vals.length; i++) {
37 |   console.log(scan_vals[i]);
38 | }
39 | 


--------------------------------------------------------------------------------
/examples/sync_transaction_app.js:
--------------------------------------------------------------------------------
 1 | const tikv = require("../dist");
 2 | 
 3 | const client = new tikv.TransactionClient("127.0.0.1:2379");
 4 | const txn = client.begin(true);
 5 | txn.put("k1", "v1");
 6 | txn.put("k2", "v2");
 7 | txn.put("k3", "v3");
 8 | txn.put("k4", "v4");
 9 | const v4 = txn.get("k4");
10 | txn.commit();
11 | console.log(v4);
12 | const snapshot = client.snapshot(client.current_timestamp(), true);
13 | const result = snapshot.get("k3");
14 | console.log(result);
15 | const values = snapshot.batch_get(["k1", "k4"]);
16 | values.forEach((element) => {
17 |   console.log(element);
18 | });
19 | 
20 | const result2 = snapshot.scan("k1", "k2", 10, true, true);
21 | result2.forEach((element) => {
22 |   console.log(element);
23 | });
24 | 


--------------------------------------------------------------------------------
/examples/transaction_app.js:
--------------------------------------------------------------------------------
 1 | const tikv = require("../dist/asynchronous");
 2 | 
 3 | (async () => {
 4 |   const client = await new tikv.TransactionClient("127.0.0.1:2379");
 5 |   const txn = await client.begin(true);
 6 |   await txn.put("k1", "v1");
 7 |   await txn.put("k2", "v2");
 8 |   await txn.put("k3", "v3");
 9 |   await txn.put("k4", "v4");
10 |   const val = await txn.get("k4");
11 |   await txn.commit();
12 |   console.log(val);
13 |   const snapshot = await client.snapshot(
14 |     await client.current_timestamp(),
15 |     true
16 |   );
17 |   const result = await snapshot.get("k3");
18 |   console.log(result);
19 |   const values = await snapshot.batch_get(["k1", "k4"]);
20 |   values.forEach((element) => {
21 |     console.log(element);
22 |   });
23 | 
24 |   const result2 = await snapshot.scan("k1", "k2", 10, false, false);
25 |   result2.forEach((element) => {
26 |     console.log(element);
27 |   });
28 | })();
29 | 


--------------------------------------------------------------------------------
/package-lock.json:
--------------------------------------------------------------------------------
  1 | {
  2 |   "name": "tikv-client",
  3 |   "version": "0.0.0",
  4 |   "lockfileVersion": 2,
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--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "tikv-client",
 3 |   "version": "0.0.0",
 4 |   "description": "A TiKV client in Node.js.",
 5 |   "main": "index.js",
 6 |   "scripts": {
 7 |     "build": "cargo-cp-artifact -nc index.node -- cargo build --message-format=json-render-diagnostics & tsc",
 8 |     "install": "npm run build",
 9 |     "docs": "jsdoc ./dist",
10 |     "demo": "node examples/raw_app.js",
11 |     "clean": "rm -rf ./out & rm -rf ./dist"
12 |   },
13 |   "author": "Mossaka",
14 |   "license": "Apache-2.0",
15 |   "devDependencies": {
16 |     "@types/node": "^16.7.10",
17 |     "cargo-cp-artifact": "^0.1",
18 |     "jsdoc": "^3.6.7",
19 |     "typescript": "^4.4.2"
20 |   },
21 |   "repository": {
22 |     "type": "git",
23 |     "url": "git+https://github.com/tikv/client-node.git"
24 |   },
25 |   "bugs": {
26 |     "url": "https://github.com/tikv/client-node/issues"
27 |   },
28 |   "homepage": "https://github.com/tikv/client-node#readme",
29 |   "dependencies": {
30 |     "deasync": "^0.1.21"
31 |   }
32 | }
33 | 


--------------------------------------------------------------------------------
/rust-toolchain:
--------------------------------------------------------------------------------
1 | 1.55
2 | 


--------------------------------------------------------------------------------
/src/error.rs:
--------------------------------------------------------------------------------
 1 | // Copyright 2021 TiKV Project Authors. Licensed under Apache-2.0.
 2 | 
 3 | use neon::prelude::*;
 4 | use once_cell::sync::OnceCell;
 5 | 
 6 | // Globally store a static reference to the `TRANSACTION_ERROR` class
 7 | pub struct ClientErrors {
 8 |     pub operation_after_commit_error: OnceCell<Root<JsFunction>>,
 9 |     pub undetermined_error: OnceCell<Root<JsFunction>>,
10 |     pub write_conlict_error: OnceCell<Root<JsFunction>>,
11 |     pub already_exist_error: OnceCell<Root<JsFunction>>,
12 |     pub daedlock_error: OnceCell<Root<JsFunction>>,
13 | }
14 | 
15 | pub static CLIENT_ERRORS: ClientErrors = ClientErrors {
16 |     operation_after_commit_error: OnceCell::new(),
17 |     undetermined_error: OnceCell::new(),
18 |     write_conlict_error: OnceCell::new(),
19 |     already_exist_error: OnceCell::new(),
20 |     daedlock_error: OnceCell::new(),
21 | };
22 | 
23 | pub trait CustomError {
24 |     fn throw<'a, C>(&self, cx: &mut C, args: Vec<String>) -> JsResult<'a, JsObject>
25 |     where
26 |         C: Context<'a>;
27 | }
28 | 
29 | impl CustomError for OnceCell<Root<JsFunction>> {
30 |     fn throw<'a, C>(&self, cx: &mut C, args: Vec<String>) -> JsResult<'a, JsObject>
31 |     where
32 |         C: Context<'a>,
33 |     {
34 |         let args: Vec<Handle<JsValue>> = args.into_iter().map(|s| cx.string(s).upcast()).collect();
35 | 
36 |         let error = self
37 |             .get()
38 |             .expect("Expected module to be initialized")
39 |             .to_inner(cx);
40 | 
41 |         // Use `.construct` to call this as a constructor instead of a normal function
42 |         error.construct(cx, args)
43 |     }
44 | }
45 | 
46 | pub fn init(mut cx: FunctionContext) -> JsResult<JsUndefined> {
47 |     CLIENT_ERRORS
48 |         .operation_after_commit_error
49 |         .get_or_try_init(|| Ok(cx.argument::<JsFunction>(0)?.root(&mut cx)))?;
50 |     CLIENT_ERRORS
51 |         .undetermined_error
52 |         .get_or_try_init(|| Ok(cx.argument::<JsFunction>(1)?.root(&mut cx)))?;
53 |     CLIENT_ERRORS
54 |         .write_conlict_error
55 |         .get_or_try_init(|| Ok(cx.argument::<JsFunction>(2)?.root(&mut cx)))?;
56 |     CLIENT_ERRORS
57 |         .already_exist_error
58 |         .get_or_try_init(|| Ok(cx.argument::<JsFunction>(3)?.root(&mut cx)))?;
59 |     CLIENT_ERRORS
60 |         .daedlock_error
61 |         .get_or_try_init(|| Ok(cx.argument::<JsFunction>(4)?.root(&mut cx)))?;
62 |     Ok(cx.undefined())
63 | }
64 | 


--------------------------------------------------------------------------------
/src/lib.rs:
--------------------------------------------------------------------------------
 1 | // Copyright 2021 TiKV Project Authors. Licensed under Apache-2.0.
 2 | 
 3 | use std::sync::Arc;
 4 | 
 5 | use error::init;
 6 | use neon::prelude::*;
 7 | use tokio::sync::Mutex;
 8 | 
 9 | mod error;
10 | mod raw;
11 | mod transaction;
12 | mod utils;
13 | 
14 | pub struct RawClient {
15 |     inner: Arc<tikv_client::RawClient>,
16 | }
17 | 
18 | impl Finalize for RawClient {}
19 | 
20 | pub struct TransactionClient {
21 |     inner: Arc<tikv_client::TransactionClient>,
22 | }
23 | 
24 | impl Finalize for TransactionClient {}
25 | 
26 | pub struct Transaction {
27 |     inner: Arc<Mutex<tikv_client::Transaction>>,
28 | }
29 | 
30 | impl Finalize for Transaction {}
31 | 
32 | pub struct Snapshot {
33 |     inner: Arc<Mutex<tikv_client::Snapshot>>,
34 | }
35 | 
36 | impl Finalize for Snapshot {}
37 | 
38 | #[neon::main]
39 | fn main(mut cx: ModuleContext) -> NeonResult<()> {
40 |     cx.export_function("raw_connect", RawClient::connect)?;
41 |     cx.export_function("raw_put", RawClient::put)?;
42 |     cx.export_function("raw_get", RawClient::get)?;
43 |     cx.export_function("raw_delete", RawClient::delete)?;
44 |     cx.export_function("raw_batch_get", RawClient::batch_get)?;
45 |     cx.export_function("raw_scan", RawClient::scan)?;
46 |     cx.export_function("raw_scan_keys", RawClient::scan_keys)?;
47 |     cx.export_function("raw_batch_put", RawClient::batch_put)?;
48 |     cx.export_function("raw_batch_delete", RawClient::batch_delete)?;
49 |     cx.export_function("raw_delete_range", RawClient::delete_range)?;
50 | 
51 |     cx.export_function("txn_connect", TransactionClient::connect)?;
52 |     cx.export_function("txn_begin", TransactionClient::begin)?;
53 |     cx.export_function("txn_snapshot", TransactionClient::snapshot)?;
54 |     cx.export_function(
55 |         "txn_current_timestamp",
56 |         TransactionClient::current_timestamp,
57 |     )?;
58 |     cx.export_function("txn_gc", TransactionClient::gc)?;
59 |     cx.export_function("txn_get", Transaction::get)?;
60 |     cx.export_function("txn_get_for_update", Transaction::get_for_update)?;
61 |     cx.export_function("txn_key_exists", Transaction::key_exists)?;
62 |     cx.export_function("txn_batch_get", Transaction::batch_get)?;
63 |     cx.export_function(
64 |         "txn_batch_get_for_update",
65 |         Transaction::batch_get_for_update,
66 |     )?;
67 |     cx.export_function("txn_scan", Transaction::scan)?;
68 |     cx.export_function("txn_scan_keys", Transaction::scan_keys)?;
69 |     cx.export_function("txn_lock_keys", Transaction::lock_keys)?;
70 |     cx.export_function("txn_put", Transaction::put)?;
71 |     cx.export_function("txn_insert", Transaction::insert)?;
72 |     cx.export_function("txn_delete", Transaction::delete)?;
73 |     cx.export_function("txn_commit", Transaction::commit)?;
74 | 
75 |     cx.export_function("snapshot_get", Snapshot::get)?;
76 |     cx.export_function("snapshot_key_exists", Snapshot::key_exists)?;
77 |     cx.export_function("snapshot_batch_get", Snapshot::batch_get)?;
78 |     cx.export_function("snapshot_scan", Snapshot::scan)?;
79 |     cx.export_function("snapshot_scan_keys", Snapshot::scan_keys)?;
80 | 
81 |     cx.export_function("init", init)?;
82 |     Ok(())
83 | }
84 | 


--------------------------------------------------------------------------------
/src/raw.rs:
--------------------------------------------------------------------------------
  1 | // Copyright 2021 TiKV Project Authors. Licensed under Apache-2.0.
  2 | 
  3 | use crate::{
  4 |     utils::{js_array_to_rust_keys, js_array_to_rust_pairs, send_result, to_bound_range, RUNTIME},
  5 |     RawClient,
  6 | };
  7 | use neon::prelude::*;
  8 | use std::{convert::TryInto, u32};
  9 | 
 10 | impl RawClient {
 11 |     pub fn connect(mut cx: FunctionContext) -> JsResult<JsUndefined> {
 12 |         let pd_endpoint = cx.argument::<JsString>(0)?.value(&mut cx);
 13 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
 14 |         let result = tikv_client::RawClient::new(vec![pd_endpoint], None);
 15 |         let queue = cx.queue();
 16 |         RUNTIME.spawn(async move {
 17 |             let result = result.await;
 18 |             send_result(queue, callback, result);
 19 |         });
 20 |         Ok(cx.undefined())
 21 |     }
 22 | 
 23 |     pub fn put(mut cx: FunctionContext) -> JsResult<JsUndefined> {
 24 |         let client = cx
 25 |             .this()
 26 |             .downcast_or_throw::<JsBox<RawClient>, _>(&mut cx)?;
 27 |         let key = cx.argument::<JsString>(0)?.value(&mut cx);
 28 |         let value = cx.argument::<JsString>(1)?.value(&mut cx);
 29 |         let cf = cx.argument::<JsString>(2)?.value(&mut cx);
 30 |         let callback = cx.argument::<JsFunction>(3)?.root(&mut cx);
 31 | 
 32 |         let inner = client.inner.with_cf(cf.try_into().unwrap()); // TODO: #22 make CF optional
 33 |         let queue = cx.queue();
 34 | 
 35 |         RUNTIME.spawn(async move {
 36 |             let result = inner.put(key, value).await;
 37 |             send_result(queue, callback, result);
 38 |         });
 39 | 
 40 |         Ok(cx.undefined())
 41 |     }
 42 | 
 43 |     pub fn get(mut cx: FunctionContext) -> JsResult<JsUndefined> {
 44 |         let client = cx
 45 |             .this()
 46 |             .downcast_or_throw::<JsBox<RawClient>, _>(&mut cx)?;
 47 |         let key = cx.argument::<JsString>(0)?.value(&mut cx);
 48 |         let cf = cx.argument::<JsString>(1)?.value(&mut cx);
 49 |         let callback = cx.argument::<JsFunction>(2)?.root(&mut cx);
 50 | 
 51 |         let inner = client.inner.with_cf(cf.try_into().unwrap());
 52 |         let queue = cx.queue();
 53 | 
 54 |         RUNTIME.spawn(async move {
 55 |             let value: Option<Vec<u8>> = inner.get(key).await.unwrap();
 56 |             send_result(queue, callback, Ok(value));
 57 |         });
 58 | 
 59 |         Ok(cx.undefined())
 60 |     }
 61 | 
 62 |     pub fn delete(mut cx: FunctionContext) -> JsResult<JsUndefined> {
 63 |         let client = cx
 64 |             .this()
 65 |             .downcast_or_throw::<JsBox<RawClient>, _>(&mut cx)?;
 66 |         let key = cx.argument::<JsString>(0)?.value(&mut cx);
 67 |         let cf = cx.argument::<JsString>(1)?.value(&mut cx);
 68 |         let callback = cx.argument::<JsFunction>(2)?.root(&mut cx);
 69 | 
 70 |         let inner = client.inner.with_cf(cf.try_into().unwrap());
 71 |         let queue = cx.queue();
 72 |         RUNTIME.spawn(async move {
 73 |             let result = inner.delete(key).await;
 74 |             send_result(queue, callback, result);
 75 |         });
 76 | 
 77 |         Ok(cx.undefined())
 78 |     }
 79 | 
 80 |     pub fn batch_get(mut cx: FunctionContext) -> JsResult<JsUndefined> {
 81 |         let client = cx
 82 |             .this()
 83 |             .downcast_or_throw::<JsBox<RawClient>, _>(&mut cx)?;
 84 |         let keys = cx.argument::<JsArray>(0)?;
 85 |         let keys = js_array_to_rust_keys(&mut cx, keys);
 86 |         let cf = cx.argument::<JsString>(1)?.value(&mut cx);
 87 |         let callback = cx.argument::<JsFunction>(2)?.root(&mut cx);
 88 | 
 89 |         let inner = client.inner.with_cf(cf.try_into().unwrap());
 90 |         let queue = cx.queue();
 91 | 
 92 |         RUNTIME.spawn(async move {
 93 |             let result = inner.batch_get(keys).await;
 94 |             send_result(queue, callback, result);
 95 |         });
 96 | 
 97 |         Ok(cx.undefined())
 98 |     }
 99 | 
100 |     pub fn scan(mut cx: FunctionContext) -> JsResult<JsUndefined> {
101 |         let client = cx
102 |             .this()
103 |             .downcast_or_throw::<JsBox<RawClient>, _>(&mut cx)?;
104 |         let start = cx.argument::<JsString>(0)?.value(&mut cx).into_bytes();
105 |         let end = cx.argument::<JsString>(1)?.value(&mut cx).into_bytes();
106 |         let limit = cx.argument::<JsNumber>(2)?.value(&mut cx) as u32;
107 |         let include_start = cx.argument::<JsBoolean>(3)?.value(&mut cx);
108 |         let include_end = cx.argument::<JsBoolean>(4)?.value(&mut cx);
109 |         let cf = cx.argument::<JsString>(5)?.value(&mut cx);
110 | 
111 |         let callback = cx.argument::<JsFunction>(6)?.root(&mut cx);
112 |         let inner = client.inner.with_cf(cf.try_into().unwrap());
113 |         let queue = cx.queue();
114 |         RUNTIME.spawn(async move {
115 |             let range = to_bound_range(Some(start), Some(end), include_start, include_end);
116 | 
117 |             let result = inner.scan(range, limit).await;
118 |             send_result(queue, callback, result);
119 |         });
120 | 
121 |         Ok(cx.undefined())
122 |     }
123 | 
124 |     pub fn scan_keys(mut cx: FunctionContext) -> JsResult<JsUndefined> {
125 |         let client = cx
126 |             .this()
127 |             .downcast_or_throw::<JsBox<RawClient>, _>(&mut cx)?;
128 |         let start = cx.argument::<JsString>(0)?.value(&mut cx).into_bytes();
129 |         let end = cx.argument::<JsString>(1)?.value(&mut cx).into_bytes();
130 |         let limit = cx.argument::<JsNumber>(2)?.value(&mut cx) as u32;
131 |         let include_start = cx.argument::<JsBoolean>(3)?.value(&mut cx);
132 |         let include_end = cx.argument::<JsBoolean>(4)?.value(&mut cx);
133 |         let cf = cx.argument::<JsString>(5)?.value(&mut cx);
134 | 
135 |         let callback = cx.argument::<JsFunction>(6)?.root(&mut cx);
136 |         let inner = client.inner.with_cf(cf.try_into().unwrap());
137 |         let queue = cx.queue();
138 |         RUNTIME.spawn(async move {
139 |             let range = to_bound_range(Some(start), Some(end), include_start, include_end);
140 | 
141 |             let result = inner.scan_keys(range, limit).await;
142 |             send_result(queue, callback, result);
143 |         });
144 | 
145 |         Ok(cx.undefined())
146 |     }
147 | 
148 |     pub fn batch_put(mut cx: FunctionContext) -> JsResult<JsUndefined> {
149 |         let client = cx
150 |             .this()
151 |             .downcast_or_throw::<JsBox<RawClient>, _>(&mut cx)?;
152 |         let pairs = cx.argument::<JsArray>(0)?;
153 |         let pairs = js_array_to_rust_pairs(&mut cx, pairs);
154 |         let cf = cx.argument::<JsString>(1)?.value(&mut cx);
155 | 
156 |         let callback = cx.argument::<JsFunction>(2)?.root(&mut cx);
157 |         let inner = client.inner.with_cf(cf.try_into().unwrap());
158 |         let queue = cx.queue();
159 |         RUNTIME.spawn(async move {
160 |             let result = inner.batch_put(pairs).await;
161 |             send_result(queue, callback, result);
162 |         });
163 | 
164 |         Ok(cx.undefined())
165 |     }
166 | 
167 |     pub fn batch_delete(mut cx: FunctionContext) -> JsResult<JsUndefined> {
168 |         let client = cx
169 |             .this()
170 |             .downcast_or_throw::<JsBox<RawClient>, _>(&mut cx)?;
171 |         let keys = cx.argument::<JsArray>(0)?;
172 |         let keys = js_array_to_rust_keys(&mut cx, keys);
173 |         let cf = cx.argument::<JsString>(1)?.value(&mut cx);
174 | 
175 |         let callback = cx.argument::<JsFunction>(2)?.root(&mut cx);
176 |         let inner = client.inner.with_cf(cf.try_into().unwrap());
177 |         let queue = cx.queue();
178 |         RUNTIME.spawn(async move {
179 |             let result = inner.batch_delete(keys).await;
180 |             send_result(queue, callback, result);
181 |         });
182 | 
183 |         Ok(cx.undefined())
184 |     }
185 | 
186 |     pub fn delete_range(mut cx: FunctionContext) -> JsResult<JsUndefined> {
187 |         let client = cx
188 |             .this()
189 |             .downcast_or_throw::<JsBox<RawClient>, _>(&mut cx)?;
190 |         let queue = cx.queue();
191 |         let start = cx.argument::<JsString>(0)?.value(&mut cx).into_bytes();
192 |         let end = cx.argument::<JsString>(1)?.value(&mut cx).into_bytes();
193 |         let include_start = cx.argument::<JsBoolean>(2)?.value(&mut cx);
194 |         let include_end = cx.argument::<JsBoolean>(3)?.value(&mut cx);
195 |         let cf = cx.argument::<JsString>(4)?.value(&mut cx);
196 |         let inner = client.inner.with_cf(cf.try_into().unwrap());
197 | 
198 |         let callback = cx.argument::<JsFunction>(5)?.root(&mut cx);
199 | 
200 |         RUNTIME.spawn(async move {
201 |             let range = to_bound_range(Some(start), Some(end), include_start, include_end);
202 | 
203 |             let result = inner.delete_range(range).await;
204 |             send_result(queue, callback, result);
205 |         });
206 | 
207 |         Ok(cx.undefined())
208 |     }
209 | }
210 | 


--------------------------------------------------------------------------------
/src/transaction.rs:
--------------------------------------------------------------------------------
  1 | // Copyright 2021 TiKV Project Authors. Licensed under Apache-2.0.
  2 | 
  3 | use crate::{
  4 |     utils::{js_array_to_rust_keys, send_result, to_bound_range, RUNTIME},
  5 |     Snapshot, Transaction, TransactionClient,
  6 | };
  7 | use neon::prelude::*;
  8 | use tikv_client::TimestampExt as _;
  9 | use tikv_client::TransactionOptions;
 10 | use tikv_client::{Key, KvPair};
 11 | 
 12 | impl TransactionClient {
 13 |     pub fn connect(mut cx: FunctionContext) -> JsResult<JsUndefined> {
 14 |         let pd_endpoint = cx.argument::<JsString>(0)?.value(&mut cx);
 15 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
 16 |         let result = tikv_client::TransactionClient::new(vec![pd_endpoint], None);
 17 |         let queue = cx.queue();
 18 |         RUNTIME.spawn(async move {
 19 |             let result = result.await;
 20 |             send_result(queue, callback, result);
 21 |         });
 22 |         Ok(cx.undefined())
 23 |     }
 24 | 
 25 |     pub fn begin(mut cx: FunctionContext) -> JsResult<JsUndefined> {
 26 |         let client = cx
 27 |             .this()
 28 |             .downcast_or_throw::<JsBox<TransactionClient>, _>(&mut cx)?;
 29 |         let pessimistic = cx.argument::<JsBoolean>(0)?.value(&mut cx);
 30 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
 31 |         let inner = client.inner.clone();
 32 | 
 33 |         let queue = cx.queue();
 34 |         RUNTIME.spawn(async move {
 35 |             let inner = if pessimistic {
 36 |                 inner.begin_pessimistic().await
 37 |             } else {
 38 |                 inner.begin_optimistic().await
 39 |             };
 40 |             send_result(queue, callback, inner);
 41 |         });
 42 |         Ok(cx.undefined())
 43 |     }
 44 | 
 45 |     pub fn snapshot(mut cx: FunctionContext) -> JsResult<JsUndefined> {
 46 |         let client = cx
 47 |             .this()
 48 |             .downcast_or_throw::<JsBox<TransactionClient>, _>(&mut cx)?;
 49 |         let timestamp = cx.argument::<JsNumber>(0)?.value(&mut cx) as u64;
 50 |         let pessimistic = cx.argument::<JsBoolean>(1)?.value(&mut cx);
 51 |         let callback = cx.argument::<JsFunction>(2)?.root(&mut cx);
 52 |         let inner = client.inner.clone();
 53 | 
 54 |         let queue = cx.queue();
 55 |         RUNTIME.spawn(async move {
 56 |             let inner = inner.snapshot(
 57 |                 tikv_client::Timestamp::from_version(timestamp),
 58 |                 if pessimistic {
 59 |                     TransactionOptions::new_pessimistic()
 60 |                 } else {
 61 |                     TransactionOptions::new_optimistic()
 62 |                 },
 63 |             );
 64 |             send_result(queue, callback, Ok(inner));
 65 |         });
 66 |         Ok(cx.undefined())
 67 |     }
 68 | 
 69 |     pub fn current_timestamp(mut cx: FunctionContext) -> JsResult<JsUndefined> {
 70 |         let client = cx
 71 |             .this()
 72 |             .downcast_or_throw::<JsBox<TransactionClient>, _>(&mut cx)?;
 73 |         let callback = cx.argument::<JsFunction>(0)?.root(&mut cx);
 74 |         let inner = client.inner.clone();
 75 | 
 76 |         let queue = cx.queue();
 77 |         RUNTIME.spawn(async move {
 78 |             let result = inner.current_timestamp().await;
 79 |             send_result(queue, callback, result.map(|op| Some(op)));
 80 |         });
 81 |         Ok(cx.undefined())
 82 |     }
 83 | 
 84 |     pub fn gc(mut cx: FunctionContext) -> JsResult<JsUndefined> {
 85 |         let client = cx
 86 |             .this()
 87 |             .downcast_or_throw::<JsBox<TransactionClient>, _>(&mut cx)?;
 88 |         let safepoint = cx.argument::<JsNumber>(0)?.value(&mut cx) as u64;
 89 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
 90 |         let inner = client.inner.clone();
 91 | 
 92 |         let queue = cx.queue();
 93 |         RUNTIME.spawn(async move {
 94 |             let result = inner
 95 |                 .gc(tikv_client::Timestamp::from_version(safepoint))
 96 |                 .await;
 97 |             send_result(queue, callback, result);
 98 |         });
 99 |         Ok(cx.undefined())
100 |     }
101 | }
102 | 
103 | impl Snapshot {
104 |     pub fn get(mut cx: FunctionContext) -> JsResult<JsUndefined> {
105 |         let client = cx.this().downcast_or_throw::<JsBox<Snapshot>, _>(&mut cx)?;
106 |         let key = cx.argument::<JsString>(0)?.value(&mut cx);
107 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
108 | 
109 |         let inner = client.inner.clone();
110 |         let queue = cx.queue();
111 | 
112 |         RUNTIME.spawn(async move {
113 |             let value = inner.lock().await.get(key).await;
114 |             send_result(queue, callback, value);
115 |         });
116 | 
117 |         Ok(cx.undefined())
118 |     }
119 | 
120 |     pub fn key_exists(mut cx: FunctionContext) -> JsResult<JsUndefined> {
121 |         let client = cx.this().downcast_or_throw::<JsBox<Snapshot>, _>(&mut cx)?;
122 |         let key = cx.argument::<JsString>(0)?.value(&mut cx);
123 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
124 | 
125 |         let inner = client.inner.clone();
126 |         let queue = cx.queue();
127 | 
128 |         RUNTIME.spawn(async move {
129 |             let value = inner.lock().await.key_exists(key).await;
130 |             send_result(queue, callback, value);
131 |         });
132 | 
133 |         Ok(cx.undefined())
134 |     }
135 | 
136 |     pub fn batch_get(mut cx: FunctionContext) -> JsResult<JsUndefined> {
137 |         let client = cx.this().downcast_or_throw::<JsBox<Snapshot>, _>(&mut cx)?;
138 |         let keys = cx.argument::<JsArray>(0)?;
139 |         let keys: Vec<String> = js_array_to_rust_keys(&mut cx, keys);
140 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
141 | 
142 |         let inner = client.inner.clone();
143 |         let queue = cx.queue();
144 | 
145 |         RUNTIME.spawn(async move {
146 |             let result = inner
147 |                 .lock()
148 |                 .await
149 |                 .batch_get(keys)
150 |                 .await
151 |                 .map(|kvpairs| kvpairs.collect::<Vec<KvPair>>());
152 |             send_result(queue, callback, result);
153 |         });
154 | 
155 |         Ok(cx.undefined())
156 |     }
157 | 
158 |     pub fn scan(mut cx: FunctionContext) -> JsResult<JsUndefined> {
159 |         let client = cx.this().downcast_or_throw::<JsBox<Snapshot>, _>(&mut cx)?;
160 |         let start = cx.argument_opt(0).map(|start| {
161 |             start
162 |                 .downcast::<JsString, _>(&mut cx)
163 |                 .or_throw(&mut cx)
164 |                 .expect("Start should be a string")
165 |                 .value(&mut cx)
166 |                 .into_bytes()
167 |         });
168 |         let end = cx.argument_opt(1).map(|end| {
169 |             end.downcast::<JsString, _>(&mut cx)
170 |                 .or_throw(&mut cx)
171 |                 .expect("End should be a string")
172 |                 .value(&mut cx)
173 |                 .into_bytes()
174 |         });
175 |         let limit = cx.argument::<JsNumber>(2)?.value(&mut cx) as u32;
176 |         let include_start = cx.argument::<JsBoolean>(3)?.value(&mut cx);
177 |         let include_end = cx.argument::<JsBoolean>(4)?.value(&mut cx);
178 |         let callback = cx.argument::<JsFunction>(5)?.root(&mut cx);
179 | 
180 |         let inner = client.inner.clone();
181 |         let queue = cx.queue();
182 |         RUNTIME.spawn(async move {
183 |             let range = to_bound_range(start, end, include_start, include_end);
184 | 
185 |             let result = inner
186 |                 .lock()
187 |                 .await
188 |                 .scan(range, limit)
189 |                 .await
190 |                 .map(|kvpairs| kvpairs.collect::<Vec<KvPair>>());
191 |             send_result(queue, callback, result);
192 |         });
193 | 
194 |         Ok(cx.undefined())
195 |     }
196 | 
197 |     pub fn scan_keys(mut cx: FunctionContext) -> JsResult<JsUndefined> {
198 |         let client = cx.this().downcast_or_throw::<JsBox<Snapshot>, _>(&mut cx)?;
199 |         let start = cx.argument::<JsString>(0)?.value(&mut cx).into_bytes();
200 |         let end = cx.argument::<JsString>(1)?.value(&mut cx).into_bytes();
201 |         let limit = cx.argument::<JsNumber>(2)?.value(&mut cx) as u32;
202 |         let include_start = cx.argument::<JsBoolean>(3)?.value(&mut cx);
203 |         let include_end = cx.argument::<JsBoolean>(4)?.value(&mut cx);
204 |         let callback = cx.argument::<JsFunction>(5)?.root(&mut cx);
205 | 
206 |         let inner = client.inner.clone();
207 |         let queue = cx.queue();
208 |         RUNTIME.spawn(async move {
209 |             let range = to_bound_range(Some(start), Some(end), include_start, include_end);
210 | 
211 |             let result = inner
212 |                 .lock()
213 |                 .await
214 |                 .scan_keys(range, limit)
215 |                 .await
216 |                 .map(|kvpairs| kvpairs.collect::<Vec<Key>>());
217 |             send_result(queue, callback, result);
218 |         });
219 | 
220 |         Ok(cx.undefined())
221 |     }
222 | }
223 | 
224 | impl Transaction {
225 |     pub fn get(mut cx: FunctionContext) -> JsResult<JsUndefined> {
226 |         let client = cx
227 |             .this()
228 |             .downcast_or_throw::<JsBox<Transaction>, _>(&mut cx)?;
229 |         let key = cx.argument::<JsString>(0)?.value(&mut cx);
230 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
231 | 
232 |         let inner = client.inner.clone();
233 |         let queue = cx.queue();
234 | 
235 |         RUNTIME.spawn(async move {
236 |             let value = inner.lock().await.get(key).await;
237 |             send_result(queue, callback, value);
238 |         });
239 | 
240 |         Ok(cx.undefined())
241 |     }
242 | 
243 |     pub fn get_for_update(mut cx: FunctionContext) -> JsResult<JsUndefined> {
244 |         let client = cx
245 |             .this()
246 |             .downcast_or_throw::<JsBox<Transaction>, _>(&mut cx)?;
247 |         let key = cx.argument::<JsString>(0)?.value(&mut cx);
248 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
249 | 
250 |         let inner = client.inner.clone();
251 |         let queue = cx.queue();
252 | 
253 |         RUNTIME.spawn(async move {
254 |             let value = inner.lock().await.get_for_update(key).await;
255 |             send_result(queue, callback, value);
256 |         });
257 | 
258 |         Ok(cx.undefined())
259 |     }
260 | 
261 |     pub fn key_exists(mut cx: FunctionContext) -> JsResult<JsUndefined> {
262 |         let client = cx
263 |             .this()
264 |             .downcast_or_throw::<JsBox<Transaction>, _>(&mut cx)?;
265 |         let key = cx.argument::<JsString>(0)?.value(&mut cx);
266 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
267 | 
268 |         let inner = client.inner.clone();
269 |         let queue = cx.queue();
270 | 
271 |         RUNTIME.spawn(async move {
272 |             let value = inner.lock().await.key_exists(key).await;
273 |             send_result(queue, callback, value);
274 |         });
275 | 
276 |         Ok(cx.undefined())
277 |     }
278 | 
279 |     pub fn batch_get(mut cx: FunctionContext) -> JsResult<JsUndefined> {
280 |         let client = cx
281 |             .this()
282 |             .downcast_or_throw::<JsBox<Transaction>, _>(&mut cx)?;
283 |         let keys = cx.argument::<JsArray>(0)?;
284 |         let keys: Vec<String> = js_array_to_rust_keys(&mut cx, keys);
285 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
286 | 
287 |         let inner = client.inner.clone();
288 |         let queue = cx.queue();
289 | 
290 |         RUNTIME.spawn(async move {
291 |             let result = inner
292 |                 .lock()
293 |                 .await
294 |                 .batch_get(keys)
295 |                 .await
296 |                 .map(|kvpairs| kvpairs.collect::<Vec<KvPair>>());
297 |             send_result(queue, callback, result);
298 |         });
299 | 
300 |         Ok(cx.undefined())
301 |     }
302 | 
303 |     pub fn batch_get_for_update(mut cx: FunctionContext) -> JsResult<JsUndefined> {
304 |         let client = cx
305 |             .this()
306 |             .downcast_or_throw::<JsBox<Transaction>, _>(&mut cx)?;
307 |         let keys = cx.argument::<JsArray>(0)?;
308 |         let keys: Vec<String> = js_array_to_rust_keys(&mut cx, keys);
309 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
310 | 
311 |         let inner = client.inner.clone();
312 |         let queue = cx.queue();
313 | 
314 |         RUNTIME.spawn(async move {
315 |             let result = inner.lock().await.batch_get_for_update(keys).await;
316 |             send_result(queue, callback, result);
317 |         });
318 | 
319 |         Ok(cx.undefined())
320 |     }
321 | 
322 |     pub fn scan(mut cx: FunctionContext) -> JsResult<JsUndefined> {
323 |         let client = cx
324 |             .this()
325 |             .downcast_or_throw::<JsBox<Transaction>, _>(&mut cx)?;
326 |         let start = cx.argument::<JsString>(0)?.value(&mut cx).into_bytes();
327 |         let end = cx.argument::<JsString>(1)?.value(&mut cx).into_bytes();
328 |         let limit = cx.argument::<JsNumber>(2)?.value(&mut cx) as u32;
329 |         let include_start = cx.argument::<JsBoolean>(3)?.value(&mut cx);
330 |         let include_end = cx.argument::<JsBoolean>(4)?.value(&mut cx);
331 |         let callback = cx.argument::<JsFunction>(5)?.root(&mut cx);
332 | 
333 |         let inner = client.inner.clone();
334 |         let queue = cx.queue();
335 |         RUNTIME.spawn(async move {
336 |             let range = to_bound_range(Some(start), Some(end), include_start, include_end);
337 | 
338 |             let result = inner
339 |                 .lock()
340 |                 .await
341 |                 .scan(range, limit)
342 |                 .await
343 |                 .map(|kvpairs| kvpairs.collect::<Vec<KvPair>>());
344 |             send_result(queue, callback, result);
345 |         });
346 | 
347 |         Ok(cx.undefined())
348 |     }
349 | 
350 |     pub fn scan_keys(mut cx: FunctionContext) -> JsResult<JsUndefined> {
351 |         let client = cx
352 |             .this()
353 |             .downcast_or_throw::<JsBox<Transaction>, _>(&mut cx)?;
354 |         let start = cx.argument::<JsString>(0)?.value(&mut cx).into_bytes();
355 |         let end = cx.argument::<JsString>(1)?.value(&mut cx).into_bytes();
356 |         let limit = cx.argument::<JsNumber>(2)?.value(&mut cx) as u32;
357 |         let include_start = cx.argument::<JsBoolean>(3)?.value(&mut cx);
358 |         let include_end = cx.argument::<JsBoolean>(4)?.value(&mut cx);
359 |         let callback = cx.argument::<JsFunction>(5)?.root(&mut cx);
360 | 
361 |         let inner = client.inner.clone();
362 |         let queue = cx.queue();
363 |         RUNTIME.spawn(async move {
364 |             let range = to_bound_range(Some(start), Some(end), include_start, include_end);
365 | 
366 |             let result = inner
367 |                 .lock()
368 |                 .await
369 |                 .scan_keys(range, limit)
370 |                 .await
371 |                 .map(|kvpairs| kvpairs.collect::<Vec<Key>>());
372 |             send_result(queue, callback, result);
373 |         });
374 | 
375 |         Ok(cx.undefined())
376 |     }
377 | 
378 |     pub fn lock_keys(mut cx: FunctionContext) -> JsResult<JsUndefined> {
379 |         let client = cx
380 |             .this()
381 |             .downcast_or_throw::<JsBox<Transaction>, _>(&mut cx)?;
382 |         let keys = cx.argument::<JsArray>(0)?;
383 |         let keys: Vec<String> = js_array_to_rust_keys(&mut cx, keys);
384 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
385 | 
386 |         let inner = client.inner.clone();
387 |         let queue = cx.queue();
388 | 
389 |         RUNTIME.spawn(async move {
390 |             let result = inner.lock().await.lock_keys(keys).await;
391 |             send_result(queue, callback, result);
392 |         });
393 | 
394 |         Ok(cx.undefined())
395 |     }
396 | 
397 |     pub fn put(mut cx: FunctionContext) -> JsResult<JsUndefined> {
398 |         let client = cx
399 |             .this()
400 |             .downcast_or_throw::<JsBox<Transaction>, _>(&mut cx)?;
401 |         let key = cx.argument::<JsString>(0)?.value(&mut cx);
402 |         let value = cx.argument::<JsString>(1)?.value(&mut cx);
403 |         let callback = cx.argument::<JsFunction>(2)?.root(&mut cx);
404 |         let inner = client.inner.clone();
405 |         let queue = cx.queue();
406 | 
407 |         RUNTIME.spawn(async move {
408 |             let result = inner.lock().await.put(key, value).await;
409 |             send_result(queue, callback, result);
410 |         });
411 | 
412 |         Ok(cx.undefined())
413 |     }
414 | 
415 |     pub fn insert(mut cx: FunctionContext) -> JsResult<JsUndefined> {
416 |         let client = cx
417 |             .this()
418 |             .downcast_or_throw::<JsBox<Transaction>, _>(&mut cx)?;
419 |         let key = cx.argument::<JsString>(0)?.value(&mut cx);
420 |         let value = cx.argument::<JsString>(1)?.value(&mut cx);
421 |         let callback = cx.argument::<JsFunction>(2)?.root(&mut cx);
422 |         let inner = client.inner.clone();
423 |         let queue = cx.queue();
424 | 
425 |         RUNTIME.spawn(async move {
426 |             let result = inner.lock().await.insert(key, value).await;
427 |             send_result(queue, callback, result);
428 |         });
429 | 
430 |         Ok(cx.undefined())
431 |     }
432 | 
433 |     pub fn delete(mut cx: FunctionContext) -> JsResult<JsUndefined> {
434 |         let client = cx
435 |             .this()
436 |             .downcast_or_throw::<JsBox<Transaction>, _>(&mut cx)?;
437 |         let key = cx.argument::<JsString>(0)?.value(&mut cx);
438 |         let callback = cx.argument::<JsFunction>(1)?.root(&mut cx);
439 |         let inner = client.inner.clone();
440 |         let queue = cx.queue();
441 | 
442 |         RUNTIME.spawn(async move {
443 |             let result = inner.lock().await.delete(key).await;
444 |             send_result(queue, callback, result);
445 |         });
446 | 
447 |         Ok(cx.undefined())
448 |     }
449 | 
450 |     pub fn commit(mut cx: FunctionContext) -> JsResult<JsUndefined> {
451 |         let client = cx
452 |             .this()
453 |             .downcast_or_throw::<JsBox<Transaction>, _>(&mut cx)?;
454 |         let callback = cx.argument::<JsFunction>(0)?.root(&mut cx);
455 |         let inner = client.inner.clone();
456 |         let queue = cx.queue();
457 | 
458 |         RUNTIME.spawn(async move {
459 |             let result = inner.lock().await.commit().await;
460 |             send_result(queue, callback, result);
461 |         });
462 | 
463 |         Ok(cx.undefined())
464 |     }
465 | }
466 | 


--------------------------------------------------------------------------------
/src/utils.rs:
--------------------------------------------------------------------------------
  1 | // Copyright 2021 TiKV Project Authors. Licensed under Apache-2.0.
  2 | 
  3 | use std::ops::Bound;
  4 | use std::{sync::Arc, u32};
  5 | 
  6 | use neon::prelude::*;
  7 | use neon::{
  8 |     context::{Context, TaskContext},
  9 |     prelude::Handle,
 10 |     result::JsResultExt,
 11 |     types::{JsArray, JsString, JsValue},
 12 | };
 13 | use tikv_client::{Key, KvPair};
 14 | 
 15 | use tikv_client::TimestampExt;
 16 | 
 17 | use crate::{
 18 |     error::CustomError, error::CLIENT_ERRORS, RawClient, Snapshot, Transaction, TransactionClient,
 19 | };
 20 | use lazy_static::lazy_static;
 21 | use tokio::{runtime::Runtime, sync::Mutex};
 22 | 
 23 | lazy_static! {
 24 |     pub(crate) static ref RUNTIME: Runtime = Runtime::new().unwrap();
 25 | }
 26 | 
 27 | pub fn bytes_to_js_string<'a>(cx: &mut TaskContext<'a>, bytes: Vec<u8>) -> Handle<'a, JsValue> {
 28 |     let content = std::str::from_utf8(&bytes).unwrap().to_owned();
 29 |     cx.string(content).upcast()
 30 | }
 31 | 
 32 | // pub fn bytes_to_js_string<'a>(cx: &mut TaskContext<'a>, bytes: Vec<u8>) -> Handle<'a, JsValue> {
 33 | //     let content = std::str::from_utf8(&bytes).unwrap().to_owned();
 34 | //     cx.string(content).upcast()
 35 | // }
 36 | 
 37 | pub trait ToJS: 'static + Send {
 38 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue>;
 39 | }
 40 | 
 41 | impl ToJS for () {
 42 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue> {
 43 |         cx.undefined().upcast()
 44 |     }
 45 | }
 46 | 
 47 | impl ToJS for Vec<Key> {
 48 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue> {
 49 |         rust_keys_to_js_array(cx, self).upcast()
 50 |     }
 51 | }
 52 | 
 53 | impl ToJS for Key {
 54 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue> {
 55 |         bytes_to_js_string(cx, self.into())
 56 |     }
 57 | }
 58 | 
 59 | impl ToJS for tikv_client::Value {
 60 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue> {
 61 |         bytes_to_js_string(cx, self.into())
 62 |     }
 63 | }
 64 | 
 65 | impl ToJS for Vec<KvPair> {
 66 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue> {
 67 |         rust_pairs_to_js_array(cx, self).upcast()
 68 |     }
 69 | }
 70 | 
 71 | impl ToJS for tikv_client::RawClient {
 72 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue> {
 73 |         cx.boxed(RawClient {
 74 |             inner: Arc::new(self),
 75 |         })
 76 |         .upcast()
 77 |     }
 78 | }
 79 | 
 80 | impl ToJS for tikv_client::TransactionClient {
 81 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue> {
 82 |         cx.boxed(TransactionClient {
 83 |             inner: Arc::new(self),
 84 |         })
 85 |         .upcast()
 86 |     }
 87 | }
 88 | 
 89 | impl ToJS for tikv_client::Transaction {
 90 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue> {
 91 |         cx.boxed(Transaction {
 92 |             inner: Arc::new(Mutex::new(self)),
 93 |         })
 94 |         .upcast()
 95 |     }
 96 | }
 97 | 
 98 | impl ToJS for tikv_client::Snapshot {
 99 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue> {
100 |         cx.boxed(Snapshot {
101 |             inner: Arc::new(Mutex::new(self)),
102 |         })
103 |         .upcast()
104 |     }
105 | }
106 | 
107 | impl<T: ToJS> ToJS for Option<T> {
108 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue> {
109 |         match self {
110 |             None => cx.undefined().upcast(),
111 |             Some(t) => t.to_js_value(cx),
112 |         }
113 |     }
114 | }
115 | 
116 | impl ToJS for tikv_client::Timestamp {
117 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue> {
118 |         cx.number(self.version() as f64).upcast()
119 |     }
120 | }
121 | 
122 | impl ToJS for bool {
123 |     fn to_js_value<'a>(self, cx: &mut TaskContext<'a>) -> Handle<'a, JsValue> {
124 |         cx.boolean(self).upcast()
125 |     }
126 | }
127 | 
128 | pub fn rust_pairs_to_js_array<'a>(
129 |     cx: &mut TaskContext<'a>,
130 |     values: Vec<KvPair>,
131 | ) -> Handle<'a, JsArray> {
132 |     let js_array = JsArray::new(cx, values.len() as u32);
133 |     for (i, obj) in values.iter().enumerate() {
134 |         let pair = JsArray::new(cx, 2);
135 |         let v1 = cx.string(
136 |             std::str::from_utf8(&Vec::from(obj.0.clone()))
137 |                 .unwrap()
138 |                 .to_owned(),
139 |         );
140 |         let v2 = cx.string(std::str::from_utf8(&obj.1).unwrap().to_owned());
141 |         pair.set(cx, 0, v1).unwrap();
142 |         pair.set(cx, 1, v2).unwrap();
143 |         js_array.set(cx, i as u32, pair).unwrap();
144 |     }
145 |     js_array
146 | }
147 | 
148 | pub fn rust_keys_to_js_array<'a>(cx: &mut TaskContext<'a>, keys: Vec<Key>) -> Handle<'a, JsArray> {
149 |     let js_array = JsArray::new(cx, keys.len() as u32);
150 |     for (i, obj) in keys.into_iter().enumerate() {
151 |         let v1 = obj.to_js_value(cx);
152 |         js_array.set(cx, i as u32, v1).unwrap();
153 |     }
154 |     js_array
155 | }
156 | 
157 | pub fn js_array_to_rust_keys<'a>(
158 |     cx: &mut FunctionContext<'a>,
159 |     array: Handle<JsArray>,
160 | ) -> Vec<String> {
161 |     let array = array.to_vec(cx).unwrap(); // TODO: #21 remove unwrap here
162 |     array
163 |         .into_iter()
164 |         .map(|k| {
165 |             k.downcast::<JsString, _>(cx)
166 |                 .or_throw(cx)
167 |                 .unwrap()
168 |                 .value(cx)
169 |         })
170 |         .collect::<Vec<String>>()
171 | }
172 | 
173 | pub fn js_array_to_rust_pairs<'a>(
174 |     cx: &mut FunctionContext<'a>,
175 |     array: Handle<JsArray>,
176 | ) -> impl IntoIterator<Item = impl Into<KvPair>> {
177 |     let array = array.to_vec(cx).unwrap(); // TODO: #21 remove unwrap here
178 |     let mut pairs = vec![];
179 |     for k in array.into_iter() {
180 |         let pair_result = k.downcast::<JsArray, _>(cx).or_throw(cx);
181 |         match pair_result {
182 |             Ok(pair) => {
183 |                 let args: Vec<String> = vec![0_u32, 1_u32]
184 |                     .into_iter()
185 |                     .map(|i| {
186 |                         pair.get(cx, i as u32)
187 |                             .unwrap()
188 |                             .downcast::<JsString, _>(cx)
189 |                             .or_throw(cx)
190 |                             .unwrap() // TODO: #21 remove unwrap here
191 |                             .value(cx)
192 |                     })
193 |                     .collect();
194 |                 pairs.push(KvPair::new(
195 |                     args.get(0).unwrap().to_owned(),
196 |                     args.get(1).unwrap().to_owned(),
197 |                 ));
198 |             }
199 |             Err(err) => println!("{}", err.to_string()),
200 |         }
201 |     }
202 |     pairs
203 | }
204 | 
205 | pub fn to_bound_range(
206 |     start: Option<Vec<u8>>,
207 |     end: Option<Vec<u8>>,
208 |     include_start: bool,
209 |     include_end: bool,
210 | ) -> tikv_client::BoundRange {
211 |     let start_bound = if let Some(start) = start {
212 |         if include_start {
213 |             Bound::Included(start)
214 |         } else {
215 |             Bound::Excluded(start)
216 |         }
217 |     } else {
218 |         Bound::Unbounded
219 |     };
220 |     let end_bound = if let Some(end) = end {
221 |         if include_end {
222 |             Bound::Included(end)
223 |         } else {
224 |             Bound::Excluded(end)
225 |         }
226 |     } else {
227 |         Bound::Unbounded
228 |     };
229 |     tikv_client::BoundRange::from((start_bound, end_bound))
230 | }
231 | 
232 | pub fn send_result<T: ToJS>(
233 |     // TODO: #18 do I have to use static lifetime here?
234 |     queue: EventQueue,
235 |     callback: Root<JsFunction>,
236 |     result: Result<T, tikv_client::Error>,
237 | ) {
238 |     queue.send(move |mut cx| {
239 |         let result = result.map(|op| op.to_js_value(&mut cx));
240 |         let callback = callback.into_inner(&mut cx);
241 |         let this = cx.undefined();
242 |         let args: Vec<Handle<JsValue>> = match result {
243 |             Ok(values) => vec![cx.null().upcast(), values],
244 |             Err(err) => match err {
245 |                 err @ tikv_client::Error::OperationAfterCommitError => vec![
246 |                     CLIENT_ERRORS
247 |                         .operation_after_commit_error
248 |                         .throw(&mut cx, vec![err.to_string()])
249 |                         .unwrap()
250 |                         .upcast(),
251 |                     cx.undefined().upcast(),
252 |                 ],
253 |                 tikv_client::Error::UndeterminedError(e) => vec![
254 |                     CLIENT_ERRORS
255 |                         .undetermined_error
256 |                         .throw(
257 |                             &mut cx,
258 |                             vec![format!("UndeterminedError: {:?}", &e.to_string())],
259 |                         )
260 |                         .unwrap()
261 |                         .upcast(),
262 |                     cx.undefined().upcast(),
263 |                 ],
264 |                 tikv_client::Error::KeyError(e) => {
265 |                     if let Some(conflict) = e.conflict {
266 |                         vec![
267 |                             CLIENT_ERRORS
268 |                                 .write_conlict_error
269 |                                 .throw(&mut cx, vec![format!("WriteConlict: {:?}", conflict)])
270 |                                 .unwrap()
271 |                                 .upcast(),
272 |                             cx.undefined().upcast(),
273 |                         ]
274 |                     } else if let Some(already_exist) = e.already_exist {
275 |                         vec![
276 |                             CLIENT_ERRORS
277 |                                 .already_exist_error
278 |                                 .throw(&mut cx, vec![format!("AlreadyExist: {:?}", already_exist)])
279 |                                 .unwrap()
280 |                                 .upcast(),
281 |                             cx.undefined().upcast(),
282 |                         ]
283 |                     } else if let Some(deadlock) = e.deadlock {
284 |                         vec![
285 |                             CLIENT_ERRORS
286 |                                 .daedlock_error
287 |                                 .throw(&mut cx, vec![format!("Daedlock: {:?}", deadlock)])
288 |                                 .unwrap()
289 |                                 .upcast(),
290 |                             cx.undefined().upcast(),
291 |                         ]
292 |                     } else {
293 |                         vec![
294 |                             cx.error(format!("KeyError: {:?}", e)).unwrap().upcast(),
295 |                             cx.undefined().upcast(),
296 |                         ]
297 |                     }
298 |                 }
299 |                 _ => vec![
300 |                     cx.error(err.to_string()).unwrap().upcast(),
301 |                     cx.undefined().upcast(),
302 |                 ],
303 |             },
304 |         };
305 |         callback.call(&mut cx, this, args)?;
306 |         Ok(())
307 |     });
308 | }
309 | 


--------------------------------------------------------------------------------
/tikv_client/asynchronous/index.ts:
--------------------------------------------------------------------------------
  1 | // Copyright 2021 TiKV Project Authors. Licensed under Apache-2.0.
  2 | 
  3 | "use strict";
  4 | 
  5 | const { promisify } = require("util");
  6 | // @ts-ignore
  7 | const inner = require("../../index.node");
  8 | const {
  9 |   OperationAfterCommitError,
 10 |   UndertminedError,
 11 |   WriteConflictError,
 12 |   AlreadyExistError,
 13 |   DeadlockError,
 14 | } = require("../error");
 15 | inner.init(
 16 |   OperationAfterCommitError,
 17 |   UndertminedError,
 18 |   WriteConflictError,
 19 |   AlreadyExistError,
 20 |   DeadlockError
 21 | );
 22 | 
 23 | const connect_async = promisify(inner.raw_connect);
 24 | const get_async = promisify(inner.raw_get);
 25 | const put_async = promisify(inner.raw_put);
 26 | const delete_async = promisify(inner.raw_delete);
 27 | const batch_get_async = promisify(inner.raw_batch_get);
 28 | const batch_put_async = promisify(inner.raw_batch_put);
 29 | const batch_delete_async = promisify(inner.raw_batch_delete);
 30 | const delete_range_async = promisify(inner.raw_delete_range);
 31 | const scan_async = promisify(inner.raw_scan);
 32 | const scan_keys_async = promisify(inner.raw_scan_keys);
 33 | 
 34 | const txn_connect_async = promisify(inner.txn_connect);
 35 | const txn_begin_async = promisify(inner.txn_begin);
 36 | const txn_snapshot_async = promisify(inner.txn_snapshot);
 37 | const txn_current_timestamp_async = promisify(inner.txn_current_timestamp);
 38 | const txn_gc_async = promisify(inner.txn_gc);
 39 | const txn_get_async = promisify(inner.txn_get);
 40 | const txn_get_for_update_async = promisify(inner.txn_get_for_update);
 41 | const txn_key_exists_async = promisify(inner.txn_key_exists);
 42 | const txn_batch_get_async = promisify(inner.txn_batch_get);
 43 | const txn_batch_get_for_update_async = promisify(
 44 |   inner.txn_batch_get_for_update
 45 | );
 46 | const txn_scan_async = promisify(inner.txn_scan);
 47 | const txn_scan_keys_async = promisify(inner.txn_scan_keys);
 48 | const txn_lock_keys_async = promisify(inner.txn_lock_keys);
 49 | const txn_put_async = promisify(inner.txn_put);
 50 | const txn_insert_async = promisify(inner.txn_insert);
 51 | const txn_delete_async = promisify(inner.txn_delete);
 52 | const txn_commit_async = promisify(inner.txn_commit);
 53 | 
 54 | const snapshot_get_async = promisify(inner.snapshot_get);
 55 | const snapshot_key_exists_async = promisify(inner.snapshot_key_exists);
 56 | const snapshot_batch_get_async = promisify(inner.snapshot_batch_get);
 57 | const snapshot_scan_async = promisify(inner.snapshot_scan);
 58 | const snapshot_scan_keys_async = promisify(inner.snapshot_scan_keys);
 59 | 
 60 | export class RawClient {
 61 |   boxed: any;
 62 |   constructor(pd_endpoint: string) {
 63 |     // @ts-ignore
 64 |     return (async () => {
 65 |       this.boxed = await connect_async(pd_endpoint);
 66 |       return this;
 67 |     })();
 68 |   }
 69 | 
 70 |   get(key: string, cf: string) {
 71 |     return get_async.call(this.boxed, key, cf);
 72 |   }
 73 | 
 74 |   put(key: string, value: string, cf: string) {
 75 |     return put_async.call(this.boxed, key, value, cf);
 76 |   }
 77 | 
 78 |   delete(key: string, cf: string) {
 79 |     return delete_async.call(this.boxed, key, cf);
 80 |   }
 81 | 
 82 |   batch_get(keys: string[], cf: string) {
 83 |     return batch_get_async.call(this.boxed, keys, cf);
 84 |   }
 85 | 
 86 |   batch_put(kv_pairs: string[], cf: string) {
 87 |     return batch_put_async.call(this.boxed, kv_pairs, cf);
 88 |   }
 89 | 
 90 |   batch_delete(keys: any, cf: any) {
 91 |     return batch_delete_async.call(this.boxed, keys, cf);
 92 |   }
 93 | 
 94 |   scan(
 95 |     start: string,
 96 |     end: string,
 97 |     limit: number,
 98 |     include_start: boolean,
 99 |     include_end: boolean,
100 |     cf: string
101 |   ) {
102 |     return scan_async.call(
103 |       this.boxed,
104 |       start,
105 |       end,
106 |       limit,
107 |       include_start,
108 |       include_end,
109 |       cf
110 |     );
111 |   }
112 | 
113 |   scan_keys(
114 |     start: string,
115 |     end: string,
116 |     limit: number,
117 |     include_start: boolean,
118 |     include_end: boolean,
119 |     cf: string
120 |   ) {
121 |     return scan_keys_async.call(
122 |       this.boxed,
123 |       start,
124 |       end,
125 |       limit,
126 |       include_start,
127 |       include_end,
128 |       cf
129 |     );
130 |   }
131 | 
132 |   delete_range(
133 |     start: string,
134 |     end: string,
135 |     include_start: boolean,
136 |     include_end: boolean,
137 |     cf: string
138 |   ) {
139 |     return delete_range_async.call(
140 |       this.boxed,
141 |       start,
142 |       end,
143 |       include_start,
144 |       include_end,
145 |       cf
146 |     );
147 |   }
148 | }
149 | 
150 | export class Transaction {
151 |   boxed: any;
152 |   constructor(boxed: any) {
153 |     this.boxed = boxed;
154 |   }
155 | 
156 |   get(key: string) {
157 |     return txn_get_async.call(this.boxed, key);
158 |   }
159 | 
160 |   get_for_update(key: string) {
161 |     return txn_get_for_update_async.call(this.boxed, key);
162 |   }
163 | 
164 |   put(key: string, value: string) {
165 |     return txn_put_async.call(this.boxed, key, value);
166 |   }
167 | 
168 |   insert(key: string, value: string) {
169 |     return txn_insert_async.call(this.boxed, key, value);
170 |   }
171 | 
172 |   delete(key: string) {
173 |     return txn_delete_async.call(this.boxed, key);
174 |   }
175 | 
176 |   commit() {
177 |     return txn_commit_async.call(this.boxed);
178 |   }
179 | 
180 |   key_exists(key: string) {
181 |     return txn_key_exists_async.call(this.boxed, key);
182 |   }
183 | 
184 |   batch_get(keys: string[]) {
185 |     return txn_batch_get_async.call(this.boxed, keys);
186 |   }
187 | 
188 |   batch_get_for_update(keys: string[]) {
189 |     return txn_batch_get_for_update_async.call(this.boxed, keys);
190 |   }
191 | 
192 |   scan(
193 |     start: string,
194 |     end: string,
195 |     limit: number,
196 |     include_start: boolean,
197 |     include_end: boolean
198 |   ) {
199 |     return txn_scan_async.call(
200 |       this.boxed,
201 |       start,
202 |       end,
203 |       limit,
204 |       include_start,
205 |       include_end
206 |     );
207 |   }
208 | 
209 |   scan_keys(
210 |     start: string,
211 |     end: string,
212 |     limit: number,
213 |     include_start: boolean,
214 |     include_end: boolean
215 |   ) {
216 |     return txn_scan_keys_async.call(
217 |       this.boxed,
218 |       start,
219 |       end,
220 |       limit,
221 |       include_start,
222 |       include_end
223 |     );
224 |   }
225 | 
226 |   lock_keys(keys: string[]) {
227 |     return txn_lock_keys_async.call(this.boxed, keys);
228 |   }
229 | }
230 | 
231 | export class Snapshot {
232 |   boxed: any;
233 |   constructor(boxed: any) {
234 |     this.boxed = boxed;
235 |   }
236 | 
237 |   get(key: string) {
238 |     return snapshot_get_async.call(this.boxed, key);
239 |   }
240 |   key_exists(key: string) {
241 |     return snapshot_key_exists_async.call(this.boxed, key);
242 |   }
243 |   batch_get(keys: string[]) {
244 |     return snapshot_batch_get_async.call(this.boxed, keys);
245 |   }
246 |   scan(
247 |     start: string,
248 |     end: string,
249 |     limit: number,
250 |     include_start: boolean,
251 |     include_end: boolean
252 |   ) {
253 |     return snapshot_scan_async.call(
254 |       this.boxed,
255 |       start,
256 |       end,
257 |       limit,
258 |       include_start,
259 |       include_end
260 |     );
261 |   }
262 |   scan_keys(
263 |     start: string,
264 |     end: string,
265 |     limit: number,
266 |     include_start: boolean,
267 |     include_end: boolean
268 |   ) {
269 |     return snapshot_scan_keys_async.call(
270 |       this.boxed,
271 |       start,
272 |       end,
273 |       limit,
274 |       include_start,
275 |       include_end
276 |     );
277 |   }
278 | }
279 | export class TransactionClient {
280 |   boxed: any;
281 |   constructor(pd_endpoint: string) {
282 |     // @ts-ignore
283 |     return (async () => {
284 |       this.boxed = await txn_connect_async(pd_endpoint);
285 |       return this;
286 |     })();
287 |   }
288 | 
289 |   begin(pessimistic: boolean) {
290 |     return (async () => {
291 |       const boxed = await txn_begin_async.call(this.boxed, pessimistic);
292 |       return new Transaction(boxed);
293 |     })();
294 |   }
295 | 
296 |   snapshot(timestamp: number, pessimistic: boolean) {
297 |     return (async () => {
298 |       const boxed = await txn_snapshot_async.call(
299 |         this.boxed,
300 |         timestamp,
301 |         pessimistic
302 |       );
303 |       return new Snapshot(boxed);
304 |     })();
305 |   }
306 | 
307 |   current_timestamp() {
308 |     return txn_current_timestamp_async.call(this.boxed);
309 |   }
310 | 
311 |   gc(safepoint: number) {
312 |     return txn_gc_async.call(this.boxed, safepoint);
313 |   }
314 | }
315 | 


--------------------------------------------------------------------------------
/tikv_client/error.ts:
--------------------------------------------------------------------------------
 1 | // Copyright 2021 TiKV Project Authors. Licensed under Apache-2.0.
 2 | 
 3 | "use strict";
 4 | 
 5 | export class OperationAfterCommitError extends Error {
 6 |   /**
 7 |    * @class OperationAfterCommitError
 8 |    * @param { string } message - the error message
 9 |    */
10 |   constructor(message: string) {
11 |     super(message);
12 |   }
13 | }
14 | 
15 | export class UndertminedError extends Error {
16 |   /**
17 |    * @class UndertminedError
18 |    * @param { string } message - the error message
19 |    */
20 |   constructor(message: string) {
21 |     super(message);
22 |   }
23 | }
24 | 
25 | export class WriteConflictError extends Error {
26 |   /**
27 |    * @class WriteConflictError
28 |    * @param { string } message - the error message
29 |    */
30 |   constructor(message: string) {
31 |     super(message);
32 |   }
33 | }
34 | 
35 | export class AlreadyExistError extends Error {
36 |   /**
37 |    * @class AlreadyExistError
38 |    * @param { string } message - the error message
39 |    */
40 |   constructor(message: string) {
41 |     super(message);
42 |   }
43 | }
44 | 
45 | export class DeadlockError extends Error {
46 |   /**
47 |    * @class DeadlockError
48 |    * @param { string } message - the error message
49 |    */
50 |   constructor(message: string) {
51 |     super(message);
52 |   }
53 | }
54 | 


--------------------------------------------------------------------------------
/tikv_client/index.ts:
--------------------------------------------------------------------------------
  1 | // Copyright 2021 TiKV Project Authors. Licensed under Apache-2.0.
  2 | 
  3 | "use strict";
  4 | 
  5 | // @ts-ignore
  6 | const inner = require("../index.node");
  7 | import { OperationAfterCommitError, UndertminedError, WriteConflictError, AlreadyExistError, DeadlockError } from "./error";
  8 | inner.init(
  9 |   OperationAfterCommitError,
 10 |   UndertminedError,
 11 |   WriteConflictError,
 12 |   AlreadyExistError,
 13 |   DeadlockError
 14 | );
 15 | 
 16 | var deasync = require("deasync");
 17 | const raw_connect_sync = deasync(inner.raw_connect);
 18 | const get_sync = deasync(inner.raw_get);
 19 | const put_sync = deasync(inner.raw_put);
 20 | const delete_sync = deasync(inner.raw_delete);
 21 | const batch_get_sync = deasync(inner.raw_batch_get);
 22 | const batch_put_sync = deasync(inner.raw_batch_put);
 23 | const batch_delete_sync = deasync(inner.raw_batch_delete);
 24 | const delete_range_sync = deasync(inner.raw_delete_range);
 25 | const scan_sync = deasync(inner.raw_scan);
 26 | const scan_keys_sync = deasync(inner.raw_scan_keys);
 27 | const txn_connect_sync = deasync(inner.txn_connect);
 28 | const txn_begin_sync = deasync(inner.txn_begin);
 29 | const txn_snapshot_sync = deasync(inner.txn_snapshot);
 30 | const txn_current_timestamp_sync = deasync(inner.txn_current_timestamp);
 31 | const txn_gc_sync = deasync(inner.txn_gc);
 32 | const txn_get_sync = deasync(inner.txn_get);
 33 | const txn_get_for_update_sync = deasync(inner.txn_get_for_update);
 34 | const txn_key_exists_sync = deasync(inner.txn_key_exists);
 35 | const txn_batch_get_sync = deasync(inner.txn_batch_get);
 36 | const txn_batch_get_for_update_sync = deasync(inner.txn_batch_get_for_update);
 37 | const txn_scan_sync = deasync(inner.txn_scan);
 38 | const txn_scan_keys_sync = deasync(inner.txn_scan_keys);
 39 | const txn_lock_keys_sync = deasync(inner.txn_lock_keys);
 40 | const txn_put_sync = deasync(inner.txn_put);
 41 | const txn_insert_sync = deasync(inner.txn_insert);
 42 | const txn_delete_sync = deasync(inner.txn_delete);
 43 | const txn_commit_sync = deasync(inner.txn_commit);
 44 | const snapshot_get_sync = deasync(inner.snapshot_get);
 45 | const snapshot_key_exists_sync = deasync(inner.snapshot_key_exists);
 46 | const snapshot_batch_get_sync = deasync(inner.snapshot_batch_get);
 47 | const snapshot_scan_sync = deasync(inner.snapshot_scan);
 48 | const snapshot_scan_keys_sync = deasync(inner.snapshot_scan_keys);
 49 | 
 50 | export class RawClient {
 51 |   boxed: any;
 52 |   /**
 53 |    * Construct a raw client.
 54 |    * @class RawClient
 55 |    * @param { string } pd_endpoint - PD endpoint
 56 |    * @example new tikv.RawClient("127.0.0.1:2379")
 57 |    */
 58 |   constructor(pd_endpoint: string) {
 59 |     this.boxed = raw_connect_sync(pd_endpoint);
 60 |   }
 61 | 
 62 |   /**
 63 |    * Get a raw key.
 64 |    * @param { string } key - raw key
 65 |    * @param { string } cf - configuration
 66 |    * @example client.get("key", "default")
 67 |    */
 68 |   get(key: string, cf: string) {
 69 |     return get_sync.call(this.boxed, key, cf);
 70 |   }
 71 | 
 72 |   /**
 73 |    * Put a raw key.
 74 |    * @param { string } key - raw key
 75 |    * @param { string } value - raw value
 76 |    * @param { string } cf - configuration
 77 |    * @example client.put("key", "value", "default")
 78 |    */
 79 |   put(key: string, value: string, cf: string) {
 80 |     return put_sync.call(this.boxed, key, value, cf);
 81 |   }
 82 | 
 83 |   /**
 84 |    * Delete a raw key.
 85 |    * @param { string } key - raw key
 86 |    * @param { string } cf - configuration
 87 |    * @example client.delete("key", "default")
 88 |    * @returns { boolean }
 89 |    */
 90 |   delete(key: string, cf: string): boolean {
 91 |     return delete_sync.call(this.boxed, key, cf);
 92 |   }
 93 | 
 94 |   /**
 95 |    * Batch get raw keys.
 96 |    * @param { string[] } keys - raw keys
 97 |    * @param { string } cf - configuration
 98 |    * @example client.batch_get(["key1", "key2"], "default")
 99 |    */
100 |   batch_get(keys: string[], cf: string) {
101 |     return batch_get_sync.call(this.boxed, keys, cf);
102 |   }
103 | 
104 |   /**
105 |    * Batch put raw keys.
106 |    * @param { string[] } keys - raw keys
107 |    * @param { string[] } values - raw values
108 |    * @param { string } cf - configuration
109 |    * @example client.batch_put(["key1", "key2"], ["value1", "value2"], "default")
110 |    */
111 |   batch_put(keys: string[], cf: string) {
112 |     return batch_put_sync.call(this.boxed, keys, cf);
113 |   }
114 | 
115 |   /**
116 |    * Batch delete raw keys.
117 |    * @param { string[] } keys - raw keys
118 |    * @param { string } cf - configuration
119 |    * @example client.batch_delete(["key1", "key2"], "default")
120 |    */
121 |   batch_delete(keys: string[], cf: string) {
122 |     return batch_delete_sync.call(this.boxed, keys, cf);
123 |   }
124 | 
125 |   /**
126 |    * Create a new 'scan' request.
127 |    * @param { string } start - start key
128 |    * @param { string } end - end key
129 |    * @param { number } limit - limit
130 |    * @param { boolean } include_start - include start key
131 |    * @param { boolean } include_end - include end key
132 |    * @param { string } cf - configuration
133 |    * @example client.scan("k1", "k5", 10, true, true, "default");
134 |    */
135 |   scan(start: string, end: string, limit: number, include_start: boolean, include_end: boolean, cf: string) {
136 |     return scan_sync.call(
137 |       this.boxed,
138 |       start,
139 |       end,
140 |       limit,
141 |       include_start,
142 |       include_end,
143 |       cf
144 |     );
145 |   }
146 | 
147 |   /**
148 |    * Create a new 'scan_keys' request.
149 |    * @param { string } start - start key
150 |    * @param { string } end - end key
151 |    * @param { number } limit - limit
152 |    * @param { boolean } include_start - include start key
153 |    * @param { boolean } include_end - include end key
154 |    * @param { string } cf - configuration
155 |    * @example client.scan_keys("k1", "k5", 10, true, true, "default");
156 |    */
157 |   scan_keys(start: string, end: string, limit: number, include_start: boolean, include_end: boolean, cf: string) {
158 |     return scan_keys_sync.call(
159 |       this.boxed,
160 |       start,
161 |       end,
162 |       limit,
163 |       include_start,
164 |       include_end,
165 |       cf
166 |     );
167 |   }
168 | 
169 |   /**
170 |    * Create a new 'delete_range' request.
171 |    * @param { string } start - start key
172 |    * @param { string } end - end key
173 |    * @param { boolean } include_start - include start key
174 |    * @param { boolean } include_end - include end key
175 |    * @param { string } cf - configuration
176 |    * @example client.delete_range("k1", "k5", true, true, "default");
177 |    */
178 |   delete_range(start: string, end: string, include_start: boolean, include_end: boolean, cf: string) {
179 |     return delete_range_sync.call(
180 |       this.boxed,
181 |       start,
182 |       end,
183 |       include_start,
184 |       include_end,
185 |       cf
186 |     );
187 |   }
188 | }
189 | 
190 | export class Transaction {
191 |   boxed: any;
192 |   /**
193 |    * @class Transaction
194 |    * @example
195 |    * const client = new tikv.RawClient("127.0.0.1:2379");
196 |    * const txn = client.begin();
197 |    */
198 |   constructor(boxed: any) {
199 |     this.boxed = boxed;
200 |   }
201 | 
202 |   /**
203 |    * Create a new 'get' request.
204 |    * @param { string } key - key
205 |    * @example
206 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
207 |    * const txn = client.begin(true);
208 |    * txn.get("key")
209 |    */
210 |   get(key: string) {
211 |     return txn_get_sync.call(this.boxed, key);
212 |   }
213 | 
214 |   /**
215 |    * Create a `get for update` request.
216 |    * @param { string } key - key
217 |    * @example
218 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
219 |    * const txn = client.begin(true);
220 |    * txn.get_for_update("key")
221 |    * txn.commit()
222 |    */
223 |   get_for_update(key: string) {
224 |     return txn_get_for_update_sync.call(this.boxed, key);
225 |   }
226 | 
227 |   /**
228 |    * Create a new 'put' request.
229 |    * @param { string } key - key
230 |    * @param { string } value - value
231 |    * @example
232 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
233 |    * const txn = client.begin(true);
234 |    * txn.put("key", "value")
235 |    * txn.commit()
236 |    */
237 |   put(key: string, value: string) {
238 |     return txn_put_sync.call(this.boxed, key, value);
239 |   }
240 | 
241 |   /**
242 |    * Create a new 'insert' request.
243 |    * @param { string } key - key
244 |    * @param { string } value - value
245 |    * @example
246 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
247 |    * const txn = client.begin(true);
248 |    * txn.insert("key", "value")
249 |    * txn.commit()
250 |    */
251 |   insert(key: string, value: string) {
252 |     return txn_insert_sync.call(this.boxed, key, value);
253 |   }
254 | 
255 |   /**
256 |    * Create a new 'delete' request.
257 |    * @param { string } key - key
258 |    * @example
259 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
260 |    * const txn = client.begin(true);
261 |    * txn.delete("key")
262 |    * txn.commit()
263 |    */
264 |   delete(key: string) {
265 |     return txn_delete_sync.call(this.boxed, key);
266 |   }
267 | 
268 |   /**
269 |    * Create a new 'commit' request.
270 |    * @example
271 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
272 |    * const txn = client.begin(true);
273 |    * //... Do some actions.
274 |    * txn.commit()
275 |    */
276 |   commit() {
277 |     return txn_commit_sync.call(this.boxed);
278 |   }
279 | 
280 |   /**
281 |    * Check whether a key exists.
282 |    * @param { string } key - key
283 |    * @example
284 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
285 |    * const txn = client.begin(true);
286 |    * txn.exists("key")
287 |    * txn.commit()
288 |    */
289 |   key_exists(key: string) {
290 |     return txn_key_exists_sync.call(this.boxed, key);
291 |   }
292 | 
293 |   /**
294 |    * Create a new 'batch get' request.
295 |    * @param { string[] } keys - keys
296 |    * @example
297 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
298 |    * const txn = client.begin(true);
299 |    * txn.batch_get(["key1", "key2"])
300 |    * txn.commit()
301 |    * //=> [{key: "key1", value: "value1"}, {key: "key2", value: "value2"}]
302 |    */
303 |   batch_get(keys: string[]) {
304 |     return txn_batch_get_sync.call(this.boxed, keys);
305 |   }
306 | 
307 |   /**
308 |    * Create a new 'batch get for update' request.
309 |    * @param { string[] } keys - keys
310 |    * @example
311 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
312 |    * const txn = client.begin(true);
313 |    * txn.batch_get_for_update(["key1", "key2"])
314 |    * txn.commit()
315 |    * //=> [{key: "key1", value: "value1"}, {key: "key2", value: "value2"}]
316 |    */
317 |   batch_get_for_update(keys: string[]) {
318 |     return txn_batch_get_for_update_sync.call(this.boxed, keys);
319 |   }
320 | 
321 |   /**
322 |    * Create a new 'scan' request.
323 |    * @param { string } start - start key
324 |    * @param { string } end - end key
325 |    * @param { number } limit - limit
326 |    * @param { boolean } include_start - include start key
327 |    * @param { boolean } include_end - include end key
328 |    * @example
329 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
330 |    * const txn = client.begin(true);
331 |    * txn.scan("start", "end", 10, true, true)
332 |    * txn.commit()
333 |    */
334 |   scan(start: string, end: string, limit: number, include_start: boolean, include_end: boolean) {
335 |     return txn_scan_sync.call(
336 |       this.boxed,
337 |       start,
338 |       end,
339 |       limit,
340 |       include_start,
341 |       include_end
342 |     );
343 |   }
344 | 
345 |   /**
346 |    * Create a new 'scan keys' request.
347 |    * @param { string } start - start key
348 |    * @param { string } end - end key
349 |    * @param { number } limit - limit
350 |    * @param { boolean } include_start - include start key
351 |    * @param { boolean } include_end - include end key
352 |    * @example
353 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
354 |    * const txn = client.begin(true);
355 |    * txn.scan_keys("start", "end", 10, true, true)
356 |    * txn.commit()
357 |    * //=> ["key1", "key2"]
358 |    */
359 |   scan_keys(start: string, end: string, limit: number, include_start: boolean, include_end: boolean) {
360 |     return txn_scan_keys_sync.call(
361 |       this.boxed,
362 |       start,
363 |       end,
364 |       limit,
365 |       include_start,
366 |       include_end
367 |     );
368 |   }
369 | 
370 |   /**
371 |    * Create a new 'lock keys' request.
372 |    * @param { string[] } keys - keys
373 |    * @example
374 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
375 |    * const txn = client.begin(true);
376 |    * txn.lock_keys(["key1", "key2"])
377 |    * txn.commit()
378 |    */
379 |   lock_keys(keys: string[]) {
380 |     return txn_lock_keys_sync.call(this.boxed, keys);
381 |   }
382 | }
383 | 
384 | export class Snapshot {
385 |   boxed: any;
386 |   /**
387 |    * @class Snapshot
388 |    */
389 |   constructor(boxed: any) {
390 |     this.boxed = boxed;
391 |   }
392 | 
393 |   /**
394 |    * Create a new 'get' request.
395 |    * @param { string } key - key
396 |    * @example
397 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
398 |    * const snapshot = client.snapshot(client.current_timestamp(), true);
399 |    * snapshot.get("key")
400 |    * //=> {key: "key", value: "value"}
401 |    */
402 |   get(key: string) {
403 |     return snapshot_get_sync.call(this.boxed, key);
404 |   }
405 | 
406 |   /**
407 |    * Create a new 'key exists' request.
408 |    * @param { string } key - key
409 |    * @example
410 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
411 |    * const snapshot = client.snapshot(client.current_timestamp(), true);
412 |    * snapshot.key_exists("key")
413 |    * //=> true
414 |    */
415 |   key_exists(key: string) {
416 |     return snapshot_key_exists_sync.call(this.boxed, key);
417 |   }
418 | 
419 |   /**
420 |    * Create a new 'batch get' request.
421 |    * @param { string[] } keys - keys
422 |    * @example
423 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
424 |    * const snapshot = client.snapshot(client.current_timestamp(), true);
425 |    * snapshot.batch_get(["key1", "key2"])
426 |    * //=> [{key: "key1", value: "value1"}, {key: "key2", value: "value2"}]
427 |    */
428 |   batch_get(keys: any) {
429 |     return snapshot_batch_get_sync.call(this.boxed, keys);
430 |   }
431 | 
432 |   /**
433 |    * Create a new 'scan' request.
434 |    * @param { string } start - start key
435 |    * @param { string } end - end key
436 |    * @param { number } limit - limit
437 |    * @param { boolean } include_start - include start key
438 |    * @param { boolean } include_end - include end key
439 |    * @example
440 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
441 |    * const snapshot = client.snapshot(client.current_timestamp(), true);
442 |    * snapshot.scan("start", "end", 10, true, true)
443 |    * //=> [{key: "key1", value: "value1"}, {key: "key2", value: "value2"}]
444 |    */
445 |   scan(start: string, end: string, limit: number, include_start: boolean, include_end: boolean) {
446 |     return snapshot_scan_sync.call(
447 |       this.boxed,
448 |       start,
449 |       end,
450 |       limit,
451 |       include_start,
452 |       include_end
453 |     );
454 |   }
455 | 
456 |   /**
457 |    * Create a new 'scan keys' request.
458 |    * @param { string } start - start key
459 |    * @param { string } end - end key
460 |    * @param { number } limit - limit
461 |    * @param { boolean } include_start - include start key
462 |    * @param { boolean } include_end - include end key
463 |    * @example
464 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
465 |    * const snapshot = client.snapshot(client.current_timestamp(), true);
466 |    * snapshot.scan_keys("start", "end", 10, true, true)
467 |    * //=> ["key1", "key2"]
468 |    */
469 |   scan_keys(start: string, end: string, limit: number, include_start: boolean, include_end: boolean) {
470 |     return snapshot_scan_keys_sync.call(
471 |       this.boxed,
472 |       start,
473 |       end,
474 |       limit,
475 |       include_start,
476 |       include_end
477 |     );
478 |   }
479 | }
480 | 
481 | export class TransactionClient {
482 |   boxed: any;
483 |   /**
484 |    * @class TransactionClient
485 |    * @param { string } pd_endpoint - PD endpoint
486 |    * @example const client = new tikv.TransactionClient("127.0.0.1:2379");
487 |    */
488 |   constructor(pd_endpoint: string) {
489 |     this.boxed = txn_connect_sync(pd_endpoint);
490 |   }
491 | 
492 |   /**
493 |    * Create a new 'begin' request.
494 |    * @param { boolean } pessimistic - pessimistic
495 |    * @example
496 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
497 |    * const txn = client.begin(true);
498 |    * txn.commit()
499 |    */
500 |   begin(pessimistic: boolean) {
501 |     return new Transaction(txn_begin_sync.call(this.boxed, pessimistic));
502 |   }
503 | 
504 |   /**
505 |    * Create a new Snapshot
506 |    * @param { number } timestamp - timestamp
507 |    * @param { boolean } pessimistic - pessimistic
508 |    * @example
509 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
510 |    * const snapshot = client.snapshot(client.current_timestamp(), true);
511 |    */
512 |   snapshot(timestamp: number, pessimistic: boolean) {
513 |     return new Snapshot(
514 |       txn_snapshot_sync.call(this.boxed, timestamp, pessimistic)
515 |     );
516 |   }
517 | 
518 |   /**
519 |    * Retrieve the current [`Timestamp`].
520 |    * @example
521 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
522 |    * const timestamp = client.current_timestamp();
523 |    * //=> 1588888888
524 |    */
525 |   current_timestamp() {
526 |     return txn_current_timestamp_sync.call(this.boxed);
527 |   }
528 | 
529 |   /**
530 |    * Request garbage collection (GC) of the TiKV cluster.
531 |    * @param { number } safepoint - safe point
532 |    * @example
533 |    * const client = new tikv.TransactionClient("127.0.0.1:2379");
534 |    * client.gc(1588888888);
535 |    * //=> true
536 |    */
537 |   gc(safepoint: number) {
538 |     return txn_gc_sync.call(this.boxed, safepoint);
539 |   }
540 | }
541 | 


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/tsconfig.json:
--------------------------------------------------------------------------------
 1 | {
 2 |     "compilerOptions": {
 3 |         "target": "es6",
 4 |         "module": "commonjs",
 5 |         "strict": true,
 6 |         "declaration": true,
 7 |         "outDir": "./dist",
 8 |         "esModuleInterop": true,
 9 |     },
10 |     "include": [
11 |         "tikv_client/**/*",
12 |         "typing.d.ts"
13 |     ],
14 |     "exclude": [
15 |         "node_modules",
16 |         "**/*.spec.ts"
17 |     ]
18 | }


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