Migrate to tonic

.github/workflows/ci.yml

@@ -10,9 +10,6 @@ jobs:
   check:
     name: check
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        env: [ 'RUST_PROTOBUF=0', 'RUST_PROTOBUF=1' ]
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
@@ -28,19 +25,14 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Rust Cache
         uses: Swatinem/rust-cache@v1.4.0
-        with:
-          key: ${{ matrix.env }}
       - name: make check
-        run: ${{ matrix.env }} make check
+        run: make check
 
   unit-test:
     name: unit test
     env:
       CARGO_INCREMENTAL: 0
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        env: [ 'RUST_PROTOBUF=0', 'RUST_PROTOBUF=1' ]
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
@@ -55,19 +47,14 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Rust Cache
         uses: Swatinem/rust-cache@v1.4.0
-        with:
-          key: ${{ matrix.env }}
       - name: unit test
-        run: ${{ matrix.env }} make unit-test
+        run: make unit-test
 
   integration-test:
     name: integration test
     env:
       CARGO_INCREMENTAL: 0
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        env: [ 'RUST_PROTOBUF=0', 'RUST_PROTOBUF=1' ]
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
@@ -82,8 +69,6 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Rust Cache
         uses: Swatinem/rust-cache@v1.4.0
-        with:
-          key: ${{ matrix.env }}
       - name: install tiup
         run: curl --proto '=https' --tlsv1.2 -sSf https://tiup-mirrors.pingcap.com/install.sh | sh
       - name: start tiup playground
@@ -97,4 +82,4 @@ jobs:
             sleep 1
           done
       - name: integration test
-        run: ${{ matrix.env }} MULTI_REGION=1 make integration-test
+        run: MULTI_REGION=1 make integration-test

Cargo.toml

@@ -6,88 +6,68 @@ license = "Apache-2.0"
 authors = ["The TiKV Project Authors"]
 repository = "https://github.com/tikv/client-rust"
 description = "The Rust language implementation of TiKV client."
-edition = "2018"
+edition = "2021"
 
 [features]
-default = [ "prost-codec", "prometheus/process" ]
+default = ["prometheus/process"]
 # Enable integration tests with a running TiKV and PD instance.
 # Use $PD_ADDRS, comma separated, to set the addresses the tests use.
 integration-tests = []
-protobuf-codec = [
-    "grpcio/protobuf-codec",
-    "tikv-client-proto/protobuf-codec",
-    "tikv-client-common/protobuf-codec",
-    "tikv-client-pd/protobuf-codec",
-    "tikv-client-store/protobuf-codec",
-    "mock-tikv/protobuf-codec",
-]
-prost-codec = [
-    "grpcio/prost-codec",
-    "tikv-client-proto/prost-codec",
-    "tikv-client-common/prost-codec",
-    "tikv-client-pd/prost-codec",
-    "tikv-client-store/prost-codec",
-    "mock-tikv/prost-codec",
-]
 
 [lib]
 name = "tikv_client"
 
 [dependencies]
+async-recursion = "0.3"
 async-trait = "0.1"
 derive-new = "0.5"
 either = "1.6"
 fail = "0.4"
-futures = { version = "0.3", features = ["async-await", "thread-pool"] }
-futures-timer = "3.0"
-grpcio = { version = "0.10", features = [ "openssl-vendored" ], default-features = false }
+futures = { version = "0.3" }
 lazy_static = "1"
 log = "0.4"
-prometheus = { version = "0.13", features = [ "push" ], default-features = false }
+prometheus = { version = "0.13", features = ["push"], default-features = false }
 rand = "0.8"
 regex = "1"
 semver = "1.0"
 serde = "1.0"
 serde_derive = "1.0"
-slog = { version = "2.3", features = ["max_level_trace", "release_max_level_debug"] }
+slog = { version = "2.3", features = [
+    "max_level_trace",
+    "release_max_level_debug",
+] }
 slog-term = { version = "2.4" }
 thiserror = "1"
-tokio = { version = "1", features = [ "sync", "rt-multi-thread", "macros" ] }
-async-recursion = "0.3"
-
 tikv-client-common = { version = "0.2.0", path = "tikv-client-common" }
 tikv-client-pd = { version = "0.2.0", path = "tikv-client-pd" }
 tikv-client-proto = { version = "0.2.0", path = "tikv-client-proto" }
 tikv-client-store = { version = "0.2.0", path = "tikv-client-store" }
-
+tokio = { version = "1", features = ["sync", "rt-multi-thread", "macros"] }
+tonic = "0.9"
 
 [dev-dependencies]
 clap = "2"
-fail = { version = "0.4", features = [ "failpoints" ] }
-mock-tikv = {path = "mock-tikv"}
+env_logger = "0.10"
+fail = { version = "0.4", features = ["failpoints"] }
 proptest = "1"
 proptest-derive = "0.3"
+reqwest = { version = "0.11", default-features = false, features = [
+    "native-tls-vendored",
+] }
+serde_json = "1"
 serial_test = "0.5.0"
 simple_logger = "1"
-tokio = { version = "1", features = [ "sync", "rt-multi-thread", "macros" ] }
-reqwest = {version = "0.11", default-features = false, features = ["native-tls-vendored"]}
-serde_json = "1"
+tokio = { version = "1", features = ["sync", "rt-multi-thread", "macros"] }
 
 [workspace]
 members = [
     "tikv-client-common",
     "tikv-client-pd",
     "tikv-client-proto",
     "tikv-client-store",
-    "mock-tikv"
 ]
 
 [[test]]
 name = "failpoint_tests"
 path = "tests/failpoint_tests.rs"
 required-features = ["fail/failpoints"]
-
-[patch.crates-io]
-raft-proto = { git = "https://github.com/tikv/raft-rs", rev="95c532612ee6a83591fce9a8b51d6afe87b58835"}
-protobuf-codegen = { git = "https://github.com/pingcap/rust-protobuf", rev="82b49fea7e696fd647b5aca0a6c6ec944eab3189" }
-protobuf = { git = "https://github.com/pingcap/rust-protobuf", rev="82b49fea7e696fd647b5aca0a6c6ec944eab3189" }

Makefile

@@ -2,20 +2,12 @@ export RUSTFLAGS=-Dwarnings
 
 .PHONY: default check unit-test integration-tests test doc docker-pd docker-kv docker all
 
-ENABLE_FEATURES ?=
 PD_ADDRS ?= "127.0.0.1:2379"
 MULTI_REGION ?= 1
 
-# Use Rust-protobuf instead of Prost to encode and decode protocol buffers.
-ifeq ($(RUST_PROTOBUF),1)
-ENABLE_FEATURES += protobuf-codec
-else
-ENABLE_FEATURES += prost-codec
-endif
+ALL_FEATURES := integration-tests
 
-ALL_FEATURES := ${ENABLE_FEATURES} integration-tests
-
-INTEGRATION_TEST_ARGS := --no-default-features --features "${ENABLE_FEATURES} integration-tests"
+INTEGRATION_TEST_ARGS := --no-default-features --features "integration-tests"
 
 default: check
 
@@ -25,7 +17,7 @@ check:
 	cargo clippy --all-targets --no-default-features --features "${ALL_FEATURES}" -- -D clippy::all
 
 unit-test:
-	cargo test --all --no-default-features --features "${ENABLE_FEATURES}"
+	cargo test --all --no-default-features
 
 integration-test:
 	cargo test txn_ --all ${INTEGRATION_TEST_ARGS} -- --nocapture

examples/pessimistic.rs

@@ -7,6 +7,8 @@ use tikv_client::{Config, Key, TransactionClient as Client, TransactionOptions,
 
 #[tokio::main]
 async fn main() {
+    env_logger::init();
+
     // You can try running this example by passing your pd endpoints
     // (and SSL options if necessary) through command line arguments.
     let args = parse_args("txn");
@@ -32,7 +34,7 @@ async fn main() {
         .begin_optimistic()
         .await
         .expect("Could not begin a transaction");
-    for (key, value) in vec![(key1.clone(), value1), (key2, value2)] {
+    for (key, value) in [(key1.clone(), value1), (key2, value2)] {
         txn0.put(key, value).await.expect("Could not set key value");
     }
     txn0.commit().await.expect("Could not commit");

examples/raw.rs

@@ -12,6 +12,8 @@ const VALUE: &str = "Rust";
 
 #[tokio::main]
 async fn main() -> Result<()> {
+    env_logger::init();
+
     // You can try running this example by passing your pd endpoints
     // (and SSL options if necessary) through command line arguments.
     let args = parse_args("raw");
@@ -27,7 +29,6 @@ async fn main() -> Result<()> {
     // When we first create a client we receive a `Connect` structure which must be resolved before
     // the client is actually connected and usable.
     let client = Client::new_with_config(args.pd, config, None).await?;
-    let client = client.clone();
 
     // Requests are created from the connected client. These calls return structures which
     // implement `Future`. This means the `Future` must be resolved before the action ever takes

examples/transaction.rs

@@ -69,6 +69,8 @@ async fn dels(client: &Client, keys: impl IntoIterator<Item = Key>) {
 
 #[tokio::main]
 async fn main() {
+    env_logger::init();
+
     // You can try running this example by passing your pd endpoints
     // (and SSL options if necessary) through command line arguments.
     let args = parse_args("txn");