{"id":45717,"date":"2023-06-15T05:05:11","date_gmt":"2023-04-09T14:20:54","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45717-2\/"},"modified":"2024-04-30T08:55:57","modified_gmt":"2024-04-30T00:55:57","slug":"45717-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45717-2\/","title":{"rendered":""},"content":{"rendered":"<p>Rust 1.39.0 \u3067async\/.await\u304c\u5b89\u5b9a\u5316\u3055\u308c\u3001\u4eca\u5f8c\u306f\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u306e\u7528\u9014\u3067 Rust \u304c\u63a1\u7528\u3055\u308c\u308b\u30b1\u30fc\u30b9\u304c\u5897\u3048\u305d\u3046\u3067\u3059\u306d\uff08\u671f\u5f85\u3092\u8fbc\u3081\u3066\uff09\u3002<br \/>\n\u305d\u306e\u306a\u304b\u3067\u3082\u4eca\u56de\u306f\u3001\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u6307\u5411\u3067\u4f5c\u6210\u3055\u308c\u305f\u30d7\u30ed\u30b8\u30a7\u30b8\u30a7\u30af\u30c8\u3067\u63a1\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044 gRPC \u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u3001Rust \u306e gRPC \u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308b hyperium\/tonic \u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d608737434c4406cfb3df\/1-0.svg%3Fsanitize%3Dtrue\" alt=\"undefined\" \/><\/div>\n<h2>Rust \u306e gRPC \u30e9\u30a4\u30d6\u30e9\u30ea<\/h2>\n<p>Tonic\u306e\u3053\u3068\u3092\u7d39\u4ecb\u3059\u308b\u524d\u306b\u3001\u4ed6\u306e gRPC \u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3064\u3044\u3066\u3082\u8efd\u304f\u89e6\u308c\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<p>2019 \u5e74 12 \u6708\u6642\u70b9\u3067\u3001grpc-ecosystem\/awesome-grpc\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u306f\u4ee5\u4e0b\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>stepancheg\/grpc-rust &#8211; Rust implementation of gRPC<\/p>\n<p>tikv\/grpc-rs &#8211; The gRPC library for Rust built on C Core library and futures<\/p>\n<p>tower-rs\/tower-grpc &#8211; A client and server gRPC implementation based on Tower<\/p>\n<p>hyperium\/tonic &#8211; A native gRPC client &amp; server implementation with async\/await support<\/p>\n<p>\u3082\u3063\u3068\u3082\u53e4\u3044 stepancheg\/grpc-rust \u306f 2015 \u5e74\u3088\u308a\u958b\u767a\u304c\u59cb\u307e\u3063\u3066\u3044\u307e\u3059\u3002\u79c1\u3082\u9577\u3044\u9593\u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u30a6\u30a9\u30c3\u30c1\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001 \u7d99\u7d9a\u7684\u306b\u958b\u767a\u304c\u9032\u3081\u3089\u308c\u3066\u3044\u308b\u3082\u306e\u306e\u3001\u500b\u4eba\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3068\u3044\u3046\u3053\u3068\u3082\u3042\u308a\u3001\u30ea\u30ea\u30fc\u30b9\u81ea\u4f53\u306f 2018 \u5e74\u3067\u6b62\u307e\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\ntikv\/grpc-rs \u306f\u3001PingCAP \u793e\u304c\u958b\u767a\u3057\u3001Bay Area Rust Meetup August 2017 \u3067\u4e8b\u4f8b\u7d39\u4ecb\u304c\u3055\u308c\u305f\u3053\u3068\u304b\u3089\u3001\u65e9\u671f\u306e\u6bb5\u968e\u3067\u672c\u756a\u74b0\u5883\u306b\u5c0e\u5165\u3055\u308c\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<br \/>\nWeb framework \u3067\u3042\u308b tower-rs\/tower \u3092\u30d9\u30fc\u30b9\u306b\u3057\u3066\u4f5c\u3089\u308c\u305ftower-rs\/tower-grpc\u306f\u3001Tonic \u306e\u524d\u8eab\u3068\u306a\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u4eca\u56de\u7d39\u4ecb\u3059\u308bhyperium\/tonic\u306f\u30012019 \u5e74 8 \u6708\u304b\u3089\u958b\u767a\u304c\u59cb\u307e\u3063\u305f\u3001\u3082\u3063\u3068\u3082\u65b0\u3057\u3044\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3001 2019 \u5e74 12 \u6708 15 \u65e5\u6642\u70b9\u3067\u306f\u3001\u30a2\u30eb\u30d5\u30a1\u7248\u306e\u307f\u306e\u30ea\u30ea\u30fc\u30b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>Tonic \u3068\u306f<\/h2>\n<p>Tonic \u3092 1 \u884c\u3067\u8aac\u660e\u3059\u308b\u3068\u3001\u30cf\u30a4\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3067\u3001\u76f8\u4e92\u904b\u7528\u6027\u3068\u67d4\u8edf\u6027\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u305f gRPC over HTTP\/2 \u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u80cc\u666f\u3092\u4ea4\u3048\u305f\u8aac\u660e\u306f\u3001\u30e1\u30a4\u30f3\u958b\u767a\u8005\u306e\u4e00\u4eba\u3067\u3042\u308b Timber.io \u306e Lucio Franco \u3055\u3093\u306e\u30d6\u30ed\u30b0 Tonic: gRPC has come to async\/await!\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u305f\u306e\u3067\u3001\u305d\u3061\u3089\u306e\u30d6\u30ed\u30b0\u304b\u3089\u4e00\u90e8\u629c\u7c8b\u3057\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u3082\u3068\u3082\u3068 Tonic \u304c\u958b\u767a\u3055\u308c\u308b\u524d\u306b\u306f\u3001\u524d\u9032\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308btower-grpc\u304c\u3042\u308a\u307e\u3057\u305f\u3002<br \/>\ntower-grpc\u306ffutures 0.1\u3092\u30d9\u30fc\u30b9\u306b\u3057\u3066\u958b\u767a\u3055\u308c\u3001\u672c\u756a\u74b0\u5883\u3067\u3082\u5c0e\u5165\u3067\u304d\u308b gRPC \u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066 CNCF \u5098\u4e0b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308b Service Mesh \u306e Linkerd \u306e\u30cb\u30fc\u30ba\u304b\u3089\u59cb\u307e\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u5b9f\u969b\u306b Linkerd \u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308blinker-proxy\u306e\u4e2d\u3067tower-grpc\u306f\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001Linkerd \u81ea\u4f53\u3082Kubecon NA 2019\u3067\u3001\u3044\u304f\u3064\u304b\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u4e8b\u4f8b\u304c\u7d39\u4ecb\u3055\u308c\u308b\u306a\u3069\u3001\u672c\u756a\u74b0\u5883\u3067\u306e\u63a1\u7528\u3082\u5897\u3048\u3066\u304d\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001async\/await\u306e\u5b89\u5b9a\u5316\u306b\u3088\u308a\u3001\u3053\u306e\u65b0\u3057\u3044\u69cb\u6587\u3092\u30d5\u30a1\u30fc\u30b9\u30c8\u30af\u30e9\u30b9\u3067\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b Tonic \u304c\u4f5c\u6210\u3055\u308c\u307e\u3057\u305f\u3002<br \/>\nTonic \u306b\u306f gRPC \u306e\u5b9f\u88c5\u3060\u3051\u3067\u306a\u304f\u3001hyper\u3001tokio\u3001tower \u306a\u3069\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5229\u7528\u3057\u3066 HTTP\/2 \u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u5b9f\u88c5\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u4ed6\u306b\u3082 \u76f8\u4e92\u904b\u7528\u6027\u3092\u4fdd\u3064\u305f\u3081\u3001\u30b3\u30df\u30c3\u30c8 \u3054\u3068\u306b grpc-go \u306e\u5b9f\u88c5\u306b\u5bfe\u3057\u3066 gRPC interop test cases \u306e\u30c1\u30a7\u30c3\u30af\u3092\u5b9f\u65bd\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e88\u5b9a\u306e\u3082\u306e\u3092\u542b\u3081 Tonic \u3067\u63d0\u4f9b\u3059\u308b\u6a5f\u80fd\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Implemented in pure Rust (minus openssl which is optional)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Interoperability tested via tonic-interop<\/ul>\n<\/li>\n<\/ul>\n<p>Bi-directional streaming<br \/>\nCustom metadata<br \/>\nTrailing metadata<br \/>\nCodegen via prost<\/p>\n<p>Exposes tracing diagnostics<br \/>\nFully featured HTTP\/2 client and server based on hyper<br \/>\nTLS backed by either openssl or rustls<br \/>\nLoad balancing powered by tower<br \/>\nReliability features such as timeouts, rate limiting, concurrency control, and more<br \/>\ngRPC interceptors<\/p>\n<p>\u30b5\u30fc\u30d3\u30b9\u30e1\u30c3\u30b7\u30e5\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066\u5229\u7528\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u8b58\u3057\u305f\u6a5f\u80fd\u3082\u591a\u3044\u3067\u3059\u306d\u3002<\/p>\n<h2>\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n<p>\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u306f gRPC \u3092\u5229\u7528\u3055\u308c\u305f\u7d4c\u9a13\u304c\u3042\u308c\u3070\u3001\u305d\u308c\u307b\u3069\u96e3\u3057\u304f\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>Tonic \u306e\u5834\u5408\u3001plugin \u3092\u5229\u7528\u3057\u3066\u76f4\u63a5 protoc \u30b3\u30de\u30f3\u30c9\u3092\u547c\u3073\u51fa\u3059\u306e\u3067\u306f\u306a\u304f\u3001prost-build \u306b \u30b3\u30fc\u30c9\u751f\u6210\u306e\u51e6\u7406\u3092\u59d4\u8b72\u3057\u3001prost-build \u306e\u51e6\u7406\u306e\u4e2d\u3067 protoc \u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3053\u306e prost-build \u306b\u306f protoc \u30b3\u30de\u30f3\u30c9\u304c\u30d0\u30a4\u30ca\u30ea\u3068\u3057\u3066\u57cb\u3081\u8fbc\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001protoc \u30b3\u30de\u30f3\u30c9\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3082\u4e0d\u8981\u3067\u3059\u3002<\/p>\n<p>\u6700\u65b0\u306e protoc \u30d0\u30a4\u30ca\u30ea\u3084\u3001\u7279\u5b9a\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u5229\u7528\u3057\u305f\u3044\u5834\u5408\u3067\u3082\u3001PROTOC\u74b0\u5883\u5909\u6570\u3067\u5229\u7528\u3059\u308b\u30d0\u30a4\u30ca\u30ea\u3092\u4e0a\u66f8\u304d\u3067\u304d\u308b\u4ed5\u7d44\u307f\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306a\u306e\u3067\u3001\u8907\u6570\u8a00\u8a9e\u3067\u5171\u901a\u306e protoc \u3092\u4f7f\u3044\u305f\u3044\u5834\u5408\u3067\u3082\u554f\u984c\u306a\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u6ce8\u610f\u70b9\u3068\u3057\u3066\u306f prost-build \u3067\u751f\u6210\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306b\u3044\u304f\u3064\u304b\u306e\u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u3042\u308b\u305f\u3081\u3001\u3044\u304f\u3064\u304b\u306e\u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u8ffd\u52a0\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u4ed6\u306b\u3082\u751f\u6210\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f target \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306b\u4f5c\u6210\u3055\u308c\u308b\u305f\u3081 IDE \u306a\u3069\u3067\u30b3\u30fc\u30c9\u88dc\u5b8c\u304c\u3067\u304d\u306a\u3044\u554f\u984c\u304c\u767a\u751f\u3057\u307e\u3059\u3002<br \/>\n\u3053\u306e\u554f\u984c\u306f\u751f\u6210\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306e\u51fa\u529b\u5148\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u89e3\u6c7a\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001cargo publish \u304c\u51fa\u6765\u306a\u3044\u306a\u3069\u306e\u554f\u984c\u304c\u3042\u308b\u305f\u3081\u3001target \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4ee5\u5916\u306b\u751f\u6210\u5148\u3092\u5909\u66f4\u3059\u308b\u306e\u306f\u907f\u3051\u305f\u307b\u3046\u304c\u7121\u96e3\u3067\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u5b9f\u969b\u306b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3066\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code># \u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\r\n \u276f\u276f cargo new --bin rust-grpc-web-server &amp;&amp; cd rust-grpc-web-server\r\n\r\n# helloworld \u306e proto \u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\r\n \u276f\u276f mkdir proto\r\n \u276f\u276f wget https:\/\/raw.githubusercontent.com\/grpc\/grpc\/master\/examples\/protos\/helloworld.proto -O .\/proto\/helloworld.proto\r\n<\/code><\/pre>\n<p>\u6b21\u306b Tonic \u3068 prost-build \u3067\u751f\u6210\u3055\u308c\u305f Rust \u306e\u30b3\u30fc\u30c9\u306b\u5fc5\u8981\u306a\u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u3053\u3053\u3067\u30d3\u30eb\u30c9\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u5fc5\u8981\u306a tonic-build \u306e\u4f9d\u5b58\u3082\u5408\u308f\u305b\u3066\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>...\r\n[dependencies]\r\ntonic        = \"0.1.0-alpha.6\"\r\nbytes        = \"0.4\"\r\nprost        = \"0.5\"\r\nprost-derive = \"0.5\"\r\ntokio        = \"0.2.0-alpha.6\"\r\n\r\n[build-dependencies]\r\ntonic-build  = \"0.1.0-alpha.6\"\r\n<\/code><\/pre>\n<p>\u30d3\u30eb\u30c9\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8ffd\u52a0\u3057\u3001\u30d3\u30eb\u30c9\u3054\u3068\u306b proto \u30d5\u30a1\u30a4\u30eb\u304b\u3089 Rust \u30b3\u30fc\u30c9\u304c\u751f\u6210\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">dyn<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">error<\/span><span class=\"p\">::<\/span><span class=\"n\">Error<\/span><span class=\"o\">&gt;&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nn\">tonic_build<\/span><span class=\"p\">::<\/span><span class=\"nf\">compile_protos<\/span><span class=\"p\">(<\/span><span class=\"s\">\"proto\/helloworld.proto\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6700\u5f8c\u306b Tonic \u3068\u975e\u540c\u671f\u51e6\u7406\u306e Runtime \u3068\u3057\u3066 tokio \u3092\u4f7f\u3044\u3001helloworld \u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">tonic<\/span><span class=\"p\">::{<\/span><span class=\"nn\">transport<\/span><span class=\"p\">::<\/span><span class=\"n\">Server<\/span><span class=\"p\">,<\/span> <span class=\"n\">Request<\/span><span class=\"p\">,<\/span> <span class=\"n\">Response<\/span><span class=\"p\">,<\/span> <span class=\"n\">Status<\/span><span class=\"p\">};<\/span>\r\n\r\n<span class=\"k\">pub<\/span> <span class=\"k\">mod<\/span> <span class=\"n\">hello_world<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nn\">tonic<\/span><span class=\"p\">::<\/span><span class=\"nd\">include_proto!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"helloworld\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">use<\/span> <span class=\"nn\">hello_world<\/span><span class=\"p\">::{<\/span>\r\n    <span class=\"nn\">server<\/span><span class=\"p\">::{<\/span><span class=\"n\">Greeter<\/span><span class=\"p\">,<\/span> <span class=\"n\">GreeterServer<\/span><span class=\"p\">},<\/span>\r\n    <span class=\"n\">HelloReply<\/span><span class=\"p\">,<\/span> <span class=\"n\">HelloRequest<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"nd\">#[derive(Default)]<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">MyGreeter<\/span> <span class=\"p\">{}<\/span>\r\n\r\n<span class=\"nd\">#[tonic::async_trait]<\/span>\r\n<span class=\"k\">impl<\/span> <span class=\"n\">Greeter<\/span> <span class=\"k\">for<\/span> <span class=\"n\">MyGreeter<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">say_hello<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">self<\/span><span class=\"p\">,<\/span> <span class=\"n\">request<\/span><span class=\"p\">:<\/span> <span class=\"n\">Request<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">HelloRequest<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">Response<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">HelloReply<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">,<\/span> <span class=\"n\">Status<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"n\">reply<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">hello_world<\/span><span class=\"p\">::<\/span><span class=\"n\">HelloReply<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">message<\/span><span class=\"p\">:<\/span> <span class=\"nd\">format!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Hello {}!\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">request<\/span><span class=\"nf\">.into_inner<\/span><span class=\"p\">()<\/span><span class=\"py\">.name<\/span><span class=\"p\">)<\/span><span class=\"nf\">.into<\/span><span class=\"p\">(),<\/span>\r\n        <span class=\"p\">};<\/span>\r\n        <span class=\"nf\">Ok<\/span><span class=\"p\">(<\/span><span class=\"nn\">Response<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">reply<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nd\">#[tokio::main]<\/span>\r\n<span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">dyn<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">error<\/span><span class=\"p\">::<\/span><span class=\"n\">Error<\/span><span class=\"o\">&gt;&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">addr<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"[::1]:50051\"<\/span><span class=\"nf\">.parse<\/span><span class=\"p\">()<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">greeter<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">MyGreeter<\/span><span class=\"p\">::<\/span><span class=\"nf\">default<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"nn\">Server<\/span><span class=\"p\">::<\/span><span class=\"nf\">builder<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"nf\">.add_service<\/span><span class=\"p\">(<\/span><span class=\"nn\">GreeterServer<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">greeter<\/span><span class=\"p\">))<\/span>\r\n        <span class=\"nf\">.serve<\/span><span class=\"p\">(<\/span><span class=\"n\">addr<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">.await<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3092\u30d3\u30eb\u30c9\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u30d1\u30b9\u306b helloworld.rs \u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code> \u276f\u276f cargo build\r\n\r\n \u276f\u276f ls -al target\/debug\/build\/rust-grpc-web-server-xxxxx\/out\/helloworld.rs\r\n .rw-r--r-- 6.0k watawuwu  1 Dec 16:57 target\/debug\/build\/rust-grpc-web-server-xxxx\/out\/helloworld.rs\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/\/ The request message containing the user's name.<\/span>\r\n<span class=\"nd\">#[derive(Clone,<\/span> <span class=\"nd\">PartialEq,<\/span> <span class=\"nd\">::prost::Message)]<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">HelloRequest<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nd\">#[prost(string,<\/span> <span class=\"nd\">tag<\/span> <span class=\"nd\">=<\/span> <span class=\"s\">\"1\"<\/span><span class=\"nd\">)]<\/span>\r\n    <span class=\"k\">pub<\/span> <span class=\"n\">name<\/span><span class=\"p\">:<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">string<\/span><span class=\"p\">::<\/span><span class=\"nb\">String<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"c\">\/\/\/ The response message containing the greetings<\/span>\r\n<span class=\"nd\">#[derive(Clone,<\/span> <span class=\"nd\">PartialEq,<\/span> <span class=\"nd\">::prost::Message)]<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">HelloReply<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nd\">#[prost(string,<\/span> <span class=\"nd\">tag<\/span> <span class=\"nd\">=<\/span> <span class=\"s\">\"1\"<\/span><span class=\"nd\">)]<\/span>\r\n    <span class=\"k\">pub<\/span> <span class=\"n\">message<\/span><span class=\"p\">:<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">string<\/span><span class=\"p\">::<\/span><span class=\"nb\">String<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"o\">...<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u305d\u308c\u3067\u306f grpc \u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e grpcurl \u3092\u4f7f\u3063\u3066\u3001\u901a\u4fe1\u306e\u78ba\u8a8d\u3092\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code># \u30b5\u30fc\u30d0\u30fc\u3092\u8d77\u52d5\r\n \u276f\u276f cargo run\r\n  Finished dev [unoptimized + debuginfo] target(s) in 47.46s\r\n  Running `target\/debug\/rust-grpc-web-server`\r\n\r\n# \u5225\u30b3\u30f3\u30bd\u30fc\u30eb\u304b\u3089\u5b9f\u884c\r\n \u276f\u276f grpcurl \\\r\n  -proto proto\/helloworld.proto \\\r\n  -d '{\"name\":\"watawuwu\"}' \\\r\n  -plaintext \\\r\n  localhost:50051 \\\r\n  helloworld.Greeter.SayHello\r\n{\r\n  \"message\": \"Hello watawuwu!\"\r\n}\r\n<\/code><\/pre>\n<p>\u30d0\u30c3\u30c1\u30ea\u901a\u4fe1\u3067\u304d\u307e\u3057\u305f<\/p>\n<h2>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03<\/h2>\n<p>\u3053\u306e helloworld \u306e\u5b9f\u88c5\u3092\u4f7f\u3063\u3066\u3001\u6027\u80fd\u6bd4\u8f03\u3092\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u74b0\u5883\u306f\u624b\u6301\u3061\u306e MacBook Pro \u3067\u5b9f\u884c\u3057\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3082\u5b9f\u884c\u3057\u306a\u3044\u305f\u3081\u3001\u53c2\u8003\u7a0b\u5ea6\u306e\u60c5\u5831\u3068\u3057\u3066\u6271\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u307e\u305f\u6bd4\u8f03\u7528\u3068\u3057\u3066\u3001stepancheg\/grpc-rust \u3068tikv\/grpc-rs\u3067\u3082\u540c\u3058\u3088\u3046\u306a helloworld \u306e\u5b9f\u88c5\u3092\u7528\u610f\u3057\u307e\u3057\u305f\u3002<br \/>\n\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306f\u3053\u3061\u3089\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u8ca0\u8377\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u306f ghz \u3092\u5229\u7528\u3057\u3001\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<div>\n<div class=\"post-table\">\nRequests\/secAverage(ms)99% tile(ms)stepancheg\/grpc-rust(v0.6.1)184755.359.3stepancheg\/grpc-rust(latest)453522.153.93tikv\/grpc-rs(v0.4.6)309501.252.32hyperium\/tonic(v0.1.0-alpha.6)518981.814.12<\/div>\n<\/div>\n<p>Alpha \u7248\u306b\u3082\u304b\u304b\u308f\u3089\u305a Tonic \u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3067\u306f\u5065\u95d8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5168\u3066\u306e\u51fa\u529b\u7d50\u679c\u306f\u3053\u3061\u3089\u304b\u3089\u53c2\u7167\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>Load Balancing<\/h2>\n<p>\u5b9f\u306f\u3001\u6a5f\u80fd\u4e00\u89a7\u306b\u3042\u3063\u305f\u3053\u306eLoad Balancing\u304c\u304b\u306a\u308a\u6c17\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\n\u3068\u3044\u3046\u306e\u3082 gRPC \u3067\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308bBalancing-aware Client\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3068\u3001\u30d7\u30ed\u30ad\u30b7\u3092\u5225\u9014\u7528\u610f\u3057\u306a\u304f\u3066\u3082\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0\u3067\u304d\u308b\u306e\u3067\u3068\u3066\u3082\u4fbf\u5229\u3067\u3059\u3002\u5c0f\u898f\u6a21\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u7279\u306b\u6d3b\u8e8d\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n<p>\u3067\u3059\u304c\u5b9f\u88c5\u3092\u898b\u305f\u3068\u3053\u308d\u3001Load Balancing \u6a5f\u80fd\u306f\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u30b5\u30fc\u30d0\u30fc\u30ea\u30b9\u30c8\u3092\u52d5\u7684\u306b\u53d6\u5f97\u3059\u308b\u3088\u3046\u306a\u3001DNS \u30ea\u30be\u30eb\u30d0\u306e\u6a5f\u80fd\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f<br \/>\nDiscord \u3092\u898b\u308b\u3068 trust-dns \u306e\u4f5c\u8005\u306b\u5b9f\u88c5\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8cea\u554f\u3057\u3066\u3044\u305f\u306e\u3067\u3001\u3082\u3057\u304b\u3057\u305f\u3089\u30ea\u30be\u30eb\u30d0\u5b9f\u88c5\u306e\u5019\u88dc\u3092\u63a2\u3057\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<h2>\u4eca\u5f8c\u306e\u52d5\u5411<\/h2>\n<p>\u6700\u5f8c\u306b\u3001\u7d76\u8cdb\u958b\u767a\u4e2d\u3067\u3042\u308b Tonic \u306e\u4eca\u5f8c\u306e\u52d5\u5411\u3092\u77e5\u308b\u305f\u3081\u306b\u3001\u6c17\u306b\u306a\u308b Issue \u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3066\u7d42\u308f\u308a\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\uff08\u958b\u767a\u304c\u6d3b\u767a\u306a\u306e\u3067\u3001\u8a18\u4e8b\u306e\u516c\u958b\u6642\u306b\u89e3\u6c7a\u3055\u308c\u3066\u3044\u308bIssue\u3082\u591a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\uff09<\/p>\n<h3>Support futures runtimes other than Tokio(#152)<\/h3>\n<p>futures runtime \u3068\u3057\u3066 async-std \u306a\u3069\u306e\u30b5\u30dd\u30fc\u30c8\u306b\u3064\u3044\u3066\u8b70\u8ad6\u3055\u308c\u3066\u3044\u308b Issue \u3067\u3059\u3002<\/p>\n<p>\u4eca\u306e\u958b\u767a\u30b9\u30c6\u30fc\u30bf\u30b9\u306f Alpha \u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308a\u3001\u307e\u305a\u306f\u3059\u3050\u306b\u4f7f\u3048\u308b\u3082\u306e\u304c\u9078\u629e\u3055\u308c\u305f\u3088\u3046\u3067\u3059\u3002<br \/>\n\u7279\u306b HTTP2 \u5b9f\u88c5\u306f hyper\/h2 \u4ee5\u5916\u306b\u5b9f\u7528\u7684\u306a\u3082\u306e\u304c\u306a\u304f\u3001\u305d\u308c\u3089\u306b\u4f9d\u5b58\u3057\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u7fa4\u3068\u306a\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u73fe\u72b6\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7cfb\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306f trust-dns \u3092\u542b\u3081\u3001tokio \u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u3082\u306e\u304c\u591a\u3044\u306e\u3067\u3001\u5f53\u9762\u306e\u9593\u306f tokio runtime \u306e\u30b5\u30dd\u30fc\u30c8\u3060\u3051\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n<h3>Upgrade to tokio 0.2(#159)<\/h3>\n<p>tokio 0.2 \u3078\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u306f\u3001hyper 0.13 \u306e\u30ea\u30ea\u30fc\u30b9\u3068\u3001\u3044\u304f\u3064\u304b\u306e tower \u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u5bfe\u5fdc\u5f85\u3061\u3067\u3059\u3002<br \/>\n=&gt; \u5bfe\u5fdc\u3055\u308c\u3066\u307e\u3057\u305f https:\/\/github.com\/hyperium\/tonic\/pull\/163<\/p>\n<h3>Graceful shutdown docs\/example\/default-impl(#144)<\/h3>\n<p>\u5b9f\u969b\u306e\u6319\u52d5\u3067\u78ba\u8a8d\u3067\u304d\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u73fe\u72b6\u3060\u3068 gRPC \u306ehealth checking service(#135) \u306b\u5bfe\u5fdc\u3067\u304d\u3066\u3044\u306a\u3044\u305f\u3081\u3001Graceful shutdown \u306b\u5bfe\u5fdc\u3067\u304d\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3059\u3002<br \/>\n=&gt; \u5bfe\u5fdc\u3055\u308c\u3066\u307e\u3057\u305f https:\/\/github.com\/hyperium\/tonic\/pull\/169<\/p>\n<h3>Upstream to main gRPC repo(#149)<\/h3>\n<p>\u672c\u5bb6 gPRC \u30ea\u30dd\u30b8\u30c8\u30ea\u3067\u306e\u7ba1\u7406\u306b\u3064\u3044\u3066\u306e Issue \u3067\u3059\u3002<\/p>\n<p>\u672c\u5bb6\u5074\u3067\u306e Issue \u3067\u3082\u3084\u308a\u3068\u308a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3069\u306e\u3088\u3046\u306a\u57fa\u6e96\u3067\u672c\u5bb6 gRPC \u7ba1\u7406\u306b\u63a1\u629e\u3055\u308c\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<br \/>\n\u3069\u306e gRPC \u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u305b\u3088\u3001\u672c\u5bb6\u3067\u7ba1\u7406\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308c\u3070 Rust \u3067\u3082 gRPC \u5229\u7528\u8005\u306e\u5897\u52a0\u3092\u898b\u8fbc\u3081\u307e\u3059\u3057\u30e1\u30ea\u30c3\u30c8\u3082\u591a\u3044\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\n\u3067\u3082\u53d6\u308a\u3042\u3048\u305a\u306f 0.1.0 \u30ea\u30ea\u30fc\u30b9\u306b\u5411\u3051\u3066\u9811\u5f35\u3063\u3066\u307b\u3057\u3044\u3067\u3059\u306d\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rust 1.39.0 \u3067async\/.await\u304c\u5b89\u5b9a\u5316\u3055\u308c\u3001\u4eca\u5f8c\u306f\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u306e\u7528\u9014\u3067 Rust \u304c\u63a1\u7528 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45717","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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