{"id":44723,"date":"2023-10-25T23:34:57","date_gmt":"2023-09-18T03:51:24","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/44723-2\/"},"modified":"2024-05-04T06:00:42","modified_gmt":"2024-05-03T22:00:42","slug":"44723-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/44723-2\/","title":{"rendered":""},"content":{"rendered":"<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>\u3053\u306e\u8a18\u4e8b\u306f\u3001\u6d77\u5916\u30b5\u30a4\u30c8https:\/\/tutorialedge.net\/golang\/go-grpc-beginners-tutorial\/<br \/>\n\u306e\u5185\u5bb9\u3092\u30d9\u30fc\u30b9\u306b\u4e00\u90e8\u4fee\u6b63\u3092\u52a0\u3048\u305f\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u307f\u9032\u3081\u308b\u3053\u3068\u3067Go\u3067\u30b7\u30f3\u30d7\u30eb\u306agRPC\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5aa837434c4406ce7442\/2-0.2%26auto%3Dformat%26gif-q%3D60%26q%3D75%26s%3D685b5ae9b714b2f9c812c398a9151436\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-05-24 7.53.10.png\" \/><\/div>\n<p>\u203bgRPC\u516c\u5f0f\u3088\u308a\u629c\u7c8b\uff08\u307e\u305f\u3001\u4ee5\u4e0b\u306e\u8aac\u660e\u3067\u3082\u4e00\u90e8\u53c2\u8003\u306b\u3057\u3066\u3044\u307e\u3059\u3002\uff09<\/p>\n<h2>gRPC\u3068\u306f\uff1f<\/h2>\n<p>gRPC\u306fGoogle\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305fRPC\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002<\/p>\n<p>RPC\u306fRemote Procedure Call\u306e\u7565\u3067\u3001\u9010\u8a9e\u7684\u306b\u8a33\u3059\u3068\u300c\u9060\u9694\u624b\u7d9a\u547c\u3073\u51fa\u3057\u300d\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3059\u306a\u308f\u3061\u3001\u300c\u3042\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u7570\u306a\u308b\u5834\u6240\u306b\u914d\u7f6e\u3055\u308c\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u547c\u3073\u51fa\u3057\u3066\u5b9f\u884c\u3059\u308b\u3053\u3068\u300d\u3068\u8aad\u307f\u53d6\u308c\u307e\u3059\u3002<\/p>\n<h4>\u516c\u5f0f\u306b\u3088\u308b\u5b9a\u7fa9<\/h4>\n<blockquote><p>\u30b5\u30fc\u30d3\u30b9\u5b9a\u7fa9<br \/>\n\u591a\u304f\u306eRPC\u30b7\u30b9\u30c6\u30e0\u3068\u540c\u69d8\u306b\u3001gRPC\u306f\u30b5\u30fc\u30d3\u30b9\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u3044\u3046\u8003\u3048\u306b\u57fa\u3065\u3044\u3066\u304a\u308a\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u623b\u308a\u5024\u306e\u578b\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30e2\u30fc\u30c8\u3067\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001gRPC\u306f\u30d7\u30ed\u30c8\u30b3\u30eb\u30d0\u30c3\u30d5\u30a1\u3092\u4f7f\u7528\u3057\u307e\u3059\u30b5\u30fc\u30d3\u30b9\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3068\u30da\u30a4\u30ed\u30fc\u30c9\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u69cb\u9020\u306e\u4e21\u65b9\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u5b9a\u7fa9\u8a00\u8a9e\uff08IDL\uff09\u3068\u3057\u3066\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u4ed6\u306e\u4ee3\u66ff\u624b\u6bb5\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p><\/blockquote>\n<h2>gRPC\u3068REST\u306e\u9055\u3044<\/h2>\n<p>WebAPI\u3067\u3088\u304f\u4f7f\u308f\u308c\u308bREST\u3082\u3001\u96e2\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u306e\u6a5f\u80fd\u3092\u547c\u3073\u51fa\u3059\u3068\u3044\u3046\u70b9\u3067\u3001RPC\u3068\u540c\u3058\u5f79\u5272\u3067\u4f7f\u308f\u308c\u308b\u3088\u3046\u306b\u601d\u3048\u307e\u3059\u3002\u3057\u304b\u3057\u3001REST\u306f\u300c\u30ea\u30bd\u30fc\u30b9\u5fd7\u5411\u3092\u5f37\u304f\u6253\u3061\u51fa\u3059\u300d\u3068\u3044\u3046\u601d\u60f3\u7684\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002\u30ea\u30bd\u30fc\u30b9\u5fd7\u5411\u3068\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08\u30ea\u30bd\u30fc\u30b9\uff09\u3092\u4e2d\u5fc3\u306b\u8003\u3048\u3001\u3053\u308c\u306b\u5bfe\u3057\u3066HTTP\u30e1\u30bd\u30c3\u30c9\u3067\u64cd\u4f5c\u3057\u3066\u3044\u304f\u8003\u3048\u65b9\u3067\u3059\u3002RPC\u3067\u306f\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\u304c\u57fa\u70b9\u306b\u306a\u308a\u3001\u30c7\u30fc\u30bf\u306f\u3042\u304f\u307e\u3067\u305d\u306e\u526f\u7523\u7269\u3067\u3042\u308b\u306e\u3067\u8003\u3048\u65b9\u306f\u9006\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u5fd7\u5411\u6027\u306e\u9055\u3044\u304b\u3089\u3001REST\u3068RPC\u306f\u5bfe\u7167\u7684\u306b\u6349\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u53c2\u8003\u8a18\u4e8b \u21e8 REST API\u306e\u8a2d\u8a08\u3067\u6d88\u8017\u3057\u3066\u3044\u308b\u611f\u3058\u305f\u3068\u304d\u306egRPC\u5165\u9580<\/p>\n<p>Migrating APIs from REST to gRPC at WePay<\/p>\n<p>gRPC vs. REST: How Does gRPC Compare with Traditional REST APIs?<\/p>\n<h2>REST\u3068\u6bd4\u8f03\u3057\u305f\u5834\u5408\u306egRPC\u306e\u9577\u6240<\/h2>\n<p>gRPC\u306e\u512a\u308c\u305f\u70b9\u3068\u3057\u3066\u3001\u5927\u304d\u304f\uff13\u3064\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>HTTP\/2\u306b\u3088\u308b\u9ad8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u901a\u4fe1<\/p>\n<p>Protocol Buffers\u306b\u3088\u308b\u30c7\u30fc\u30bf\u8ee2\u9001<\/p>\n<p>\u67d4\u8edf\u306a\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb<\/p>\n<p>\u4ee5\u4e0b\u3001\u9806\u756a\u306b\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u203b\u307e\u305f\u3001\u30b9\u30bf\u30fc\u30c6\u30a3\u30f3\u30b0gRPC (\u6280\u8853\u306e\u6cc9\u30b7\u30ea\u30fc\u30ba\uff08NextPublishing\uff09\u3092\u4e00\u90e8\u53c2\u8003\u306b\u3057\u3066\u304a\u308a\u307e\u3059<\/p>\n<h2>HTTP\/2\u306b\u3088\u308b\u9ad8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u901a\u4fe1<\/h2>\n<p>HTTP\/2\u3067\u306f\u901a\u4fe1\u6642\u306b\u30c7\u30fc\u30bf\u304c\u30c6\u30ad\u30b9\u30c8\u3067\u306f\u306a\u304f\u30d0\u30a4\u30ca\u30ea\u306b\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3055\u308c\u3066\u9001\u3089\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u5c0f\u3055\u306a\u5bb9\u91cf\u3067\u8ee2\u9001\u3067\u304d\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001HTTP\/2\u3067\u306f\u4e00\u3064\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3067\u8907\u6570\u306e\u30ea\u30af\u30a8\u30b9\u30c8\/\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u3084\u308a\u3068\u308a\u3067\u304d\u308b\u306e\u3067\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u305f\u3073\u306b\u63a5\u7d9a\u3068\u5207\u65ad\u3092\u884c\u3046\u3053\u3068\u304c\u306a\u3044\u52b9\u7387\u7684\u306a\u901a\u4fe1\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u9ad8\u901f\u306a\u901a\u4fe1\u304c\u3067\u304d\u308b\u70b9\u306b\u304a\u3044\u3066\u3001gRPC\u306f\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306e\u5185\u90e8API\u306e\u901a\u4fe1\u898f\u683c\u3068\u3057\u3066\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>Protocol Buffers\u306b\u3088\u308b\u30c7\u30fc\u30bf\u8ee2\u9001<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5aa837434c4406ce7442\/23-0.png\" alt=\"How to Use Google's Protocol Buffers in Python\" \/><\/div>\n<p>gRPC\u3067\u306fProtocol Buffers\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3057\u3066\u30c7\u30fc\u30bf\u3092\u3084\u308a\u53d6\u308a\u3057\u307e\u3059\u3002\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u81ea\u4f53\u306f\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u3067JSON\u306a\u3069\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u5909\u3048\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059 \u203b\u516c\u5f0f<\/p>\n<p>Protocol Buffers\u306e\u4e00\u756a\u306e\u7279\u5fb4\u306f.proto\u30d5\u30a1\u30a4\u30eb\u3068\u3044\u3046IDL(\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u8a18\u8ff0\u8a00\u8a9e)\u3067\u3059\u3002.proto\u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u3044\u3066\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u3092\u5b9f\u884c\u3059\u308b\u3068\u4efb\u610f\u306e\u8a00\u8a9e\u306e\u30b5\u30fc\u30d0\u30fc\/\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u7528\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u308f\u3056\u308f\u3056\u81ea\u5206\u3067API\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3057\u305f\u308a\u3001\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u30a8\u30f3\u30b3\u30fc\u30c9\/\u30c7\u30b3\u30fc\u30c9\u51e6\u7406\u3092\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u305f\u3081gRPC\u3067\u958b\u767a\u3059\u308b\u5834\u5408\u306f\u307e\u305a\u3001\u30b9\u30ad\u30fc\u30de\u3092\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002gRPC\u3067\u306f\u30b9\u30ad\u30fc\u30de\u304c\u6700\u521d\u306b\u66f8\u304b\u308c\u308b\u306e\u3067.proto\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u308c\u3070API\u306e\u4f7f\u7528\u306f\u5e38\u306b\u660e\u78ba\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5fc5\u7136\u7684\u306b\u30b9\u30ad\u30fc\u30de\u30d5\u30a1\u30fc\u30b9\u30c8\u306e\u958b\u767a\u3092\u884c\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5aa837434c4406ce7442\/27-0.2%26auto%3Dformat%26gif-q%3D60%26q%3D75%26s%3D46b9d29b291dde438beed2436528b260\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-05-26 12.32.51.png\" \/><\/div>\n<p>\u203bgRPC\u516c\u5f0f\u3088\u308a\u629c\u7c8b<\/p>\n<h2>\u67d4\u8edf\u306a\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb<\/h2>\n<p>gRPC\u3067\u306fAPI\u3067\u4e00\u822c\u7684\u3067\u3042\u308b\u4e00\u3064\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u4e00\u3064\u9001\u308b\u5f62\u5f0f\u4ee5\u5916\u306b\u3001\u5358\u65b9\u5411\u3001\u53cc\u65b9\u5411\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0RPC\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5aa837434c4406ce7442\/31-0.png\" alt=\"Migrating APIs from REST to gRPC at WePay\" \/><\/div>\n<h2>Unary RPC<\/h2>\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u9001\u3089\u308c\u305f\u4e00\u3064\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u4e00\u3064\u8fd4\u3057\u3066\u7d42\u4e86\u3059\u308b\u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u5f62\u5f0f\u3067\u3059\u3002<\/p>\n<p>\u4f8b<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">rpc<\/span> <span class=\"n\">SayHello<\/span><span class=\"p\">(<\/span><span class=\"n\">HelloRequest<\/span><span class=\"p\">)<\/span> <span class=\"n\">returns<\/span> <span class=\"p\">(<\/span><span class=\"n\">HelloResponse<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h2>Server Streaming RPC<\/h2>\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u9001\u3089\u308c\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u8907\u6570\u56de\u306b\u5206\u3051\u3066\u8fd4\u3057\u307e\u3059\u3002\u6642\u9593\u306e\u304b\u304b\u308b\u51e6\u7406\u306b\u3064\u3044\u3066\u3001\u975e\u540c\u671f\u7684\u306b\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u7528\u9014\u3068\u3057\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u4efb\u610f\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u901a\u77e5\u3092\u3055\u305b\u305f\u3044\u6642\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u5177\u4f53\u4f8b\u3092\u6319\u3052\u308b\u3068\u3001\u304a\u77e5\u3089\u305b\u901a\u77e5\u3084\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u66f4\u65b0\u306a\u3069\u3067\u3059\u3002<\/p>\n<p>\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u72b6\u614b\u5909\u5316\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u691c\u77e5\u3057\u305f\u3044\u5834\u5408\u306b\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u304c\u306a\u3044\u3068\u3001\u5b9a\u671f\u7684\u306a\u901a\u4fe1\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u3001\u7121\u99c4\u306a\u901a\u4fe1\u304c\u591a\u304f\u767a\u751f\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002ServerStreamingRPC\u3092\u4f7f\u3048\u3070\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u304b\u3089\u72b6\u614b\u5909\u5316\u6642\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u76f4\u63a5\u4f1d\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8ca0\u8377\u3092\u6700\u5c0f\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f8b<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">rpc<\/span> <span class=\"n\">LotsOfReplies<\/span><span class=\"p\">(<\/span><span class=\"n\">HelloRequest<\/span><span class=\"p\">)<\/span> <span class=\"n\">returns<\/span> <span class=\"p\">(<\/span><span class=\"n\">stream<\/span> <span class=\"n\">HelloResponse<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h2>Client Streaming RPC<\/h2>\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5206\u5272\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u5168\u3066\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u53d6\u3063\u3066\u304b\u3089\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u8fd4\u3057\u307e\u3059\u3002\u5927\u304d\u306a\u30c7\u30fc\u30bf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306a\u3069\u306b\u7528\u3044\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u4f8b<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">rpc<\/span> <span class=\"n\">LotsOfGreetings<\/span><span class=\"p\">(<\/span><span class=\"n\">stream<\/span> <span class=\"n\">HelloRequest<\/span><span class=\"p\">)<\/span> <span class=\"n\">returns<\/span> <span class=\"p\">(<\/span><span class=\"n\">HelloResponse<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h2>Bidirectional Streaming RPC<\/h2>\n<p>\u4efb\u610f\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u3069\u3061\u3089\u304b\u3089\u3082\u30ea\u30af\u30a8\u30b9\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u3057\u3066\u3001\u30c1\u30e3\u30c3\u30c8\u3084\u30aa\u30f3\u30e9\u30a4\u30f3\u30b2\u30fc\u30e0\u306b\u306a\u308a\u307e\u3059\u3002REST API\u3067\u306f\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u304c\u56f0\u96e3\u306a\u306e\u3067WEBSocket\u30b5\u30fc\u30d0\u30fc\u3092\u7acb\u3066\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u304c\u3001gRPC\u306e\u5834\u5408\u3001\u5358\u4e00\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u53cc\u65b9\u5411\u901a\u4fe1\u304c\u5fc5\u8981\u306aAPI\u3068\u3057\u3066\u3082\u5bfe\u5fdc\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u4f8b<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">rpc<\/span> <span class=\"n\">BidiHello<\/span><span class=\"p\">(<\/span><span class=\"n\">stream<\/span> <span class=\"n\">HelloRequest<\/span><span class=\"p\">)<\/span> <span class=\"n\">returns<\/span> <span class=\"p\">(<\/span><span class=\"n\">stream<\/span> <span class=\"n\">HelloResponse<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h2>\u30cf\u30f3\u30ba\u30aa\u30f3\uff01(Golang)<\/h2>\n<h4>\u30b5\u30f3\u30d7\u30eb\u30ea\u30dd\u30b8\u30c8\u30ea(\u5b8c\u6210\u5f62)<\/h4>\n<p>&nbsp;<\/p>\n<h4>\u524d\u63d0<\/h4>\n<ul class=\"post-ul\">Go\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b(Go 1.6 or higher )<\/ul>\n<h4>\u5b9f\u8df5<\/h4>\n<p>grpc\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/p>\n<pre class=\"post-pre\"><code>go get <span class=\"nt\">-u<\/span> google.golang.org\/grpc\r\n<\/code><\/pre>\n<p>Protocol Buffers v3 \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002<\/p>\n<pre class=\"post-pre\"><code>brew <span class=\"nb\">install <\/span>protobuf\r\n<\/code><\/pre>\n<p>Protocol Buffers \u306e Go \u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002<\/p>\n<pre class=\"post-pre\"><code>go get <span class=\"nt\">-u<\/span> github.com\/golang\/protobuf\/protoc-gen-go\r\n<\/code><\/pre>\n<p>go mod init \u306e\u5b9f\u884c(\u5fc5\u8981\u3067\u3042\u308c\u3070)<\/p>\n<pre class=\"post-pre\"><code>go mod init github.com\/tutorialedge\/go-grpc-beginners-tutorial\r\n<\/code><\/pre>\n<p>\u6e96\u5099\u5b8c\u4e86\u3067\u3059!<\/p>\n<p>\u4ee5\u4e0b\u5b9f\u88c5\u306b\u5165\u3063\u3066\u3044\u304d\u307e\u3059\uff01\uff01<\/p>\n<h4>\u5168\u4f53\u69cb\u6210(\u6700\u7d42)<\/h4>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5aa837434c4406ce7442\/67-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2021-02-24 3.39.08.png\" \/><\/div>\n<hr \/>\n<ul class=\"post-ul\">Server.go\u306e\u4f5c\u6210<\/ul>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n\t<span class=\"s\">\"log\"<\/span>\r\n\t<span class=\"s\">\"net\"<\/span>\r\n\r\n\t<span class=\"s\">\"google.golang.org\/grpc\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\r\n\t<span class=\"n\">lis<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">net<\/span><span class=\"o\">.<\/span><span class=\"n\">Listen<\/span><span class=\"p\">(<\/span><span class=\"s\">\"tcp\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\":9000\"<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"failed to listen: %v\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\r\n\t<span class=\"n\">grpcServer<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">grpc<\/span><span class=\"o\">.<\/span><span class=\"n\">NewServer<\/span><span class=\"p\">()<\/span>\r\n\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">grpcServer<\/span><span class=\"o\">.<\/span><span class=\"n\">Serve<\/span><span class=\"p\">(<\/span><span class=\"n\">lis<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"failed to serve: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u306fgrpc\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u3001\u65b0\u898fgrpc\u30b5\u30fc\u30d0\u30fc\u3092\u4f5c\u6210\u3057\u3001tcp\u63a5\u7d9a\u3092\u884c\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">grpcServer<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">grpc<\/span><span class=\"o\">.<\/span><span class=\"n\">NewServer<\/span><span class=\"p\">()<\/span>\r\n<\/code><\/pre>\n<p>func NewServer<\/p>\n<ul class=\"post-ul\">Chat.proto\u306e\u4f5c\u6210<\/ul>\n<pre class=\"post-pre\"><code><span class=\"na\">syntax<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"proto3\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"kn\">package<\/span> <span class=\"nn\">chat<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">message<\/span> <span class=\"nc\">Message<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kt\">string<\/span> <span class=\"na\">body<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kd\">service<\/span> <span class=\"n\">ChatService<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">rpc<\/span> <span class=\"n\">SayHello<\/span><span class=\"p\">(<\/span><span class=\"n\">Message<\/span><span class=\"p\">)<\/span> <span class=\"k\">returns<\/span> <span class=\"p\">(<\/span><span class=\"n\">Message<\/span><span class=\"p\">)<\/span> <span class=\"p\">{}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e.proto\u30d5\u30a1\u30a4\u30eb\u306f\u4efb\u610f\u306e\u8a00\u8a9e\u3067\u8a18\u8ff0\u3055\u308c\u305f\u4efb\u610f\u306egRPC\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3001\u5358\u72ec\u306eSayHello\u95a2\u6570\u3092\u516c\u958b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">protoc\u3092\u4f7f\u3063\u3066Go\u56fa\u6709\u306egRPC\u30b3\u30fc\u30c9\u306e\u751f\u6210<\/ul>\n<pre class=\"post-pre\"><code>protoc <span class=\"nt\">--go_out<\/span><span class=\"o\">=<\/span><span class=\"nv\">plugins<\/span><span class=\"o\">=<\/span>grpc:chat chat.proto\r\n<\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001chat\/chat.pb.go\u304c\u751f\u6210\u3055\u308c\u305f\u304b\u3068\u601d\u3044\u307e\u3059\u3002\u3082\u3057\u751f\u6210\u3055\u308c\u306a\u3044\u3088\u3046\u3067\u3057\u305f\u3089\u3001chat\u30d5\u30a9\u30eb\u30c0\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3001go\u306e\u30d1\u30b9\u304c\u901a\u3063\u3066\u3044\u308b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u307e\u305f\u3001server.go\u3067ChatService\u3092\u767b\u9332\u3059\u308b\u51e6\u7406\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">ChatService\u306e\u8ffd\u52a0(server.go)<\/ul>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n\t<span class=\"s\">\"fmt\"<\/span>\r\n\t<span class=\"s\">\"log\"<\/span>\r\n\t<span class=\"s\">\"net\"<\/span>\r\n\r\n\t<span class=\"s\">\"github.com\/tutorialedge\/go-grpc-beginners-tutorial\/chat\"<\/span>\r\n\t<span class=\"s\">\"google.golang.org\/grpc\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Go gRPC Beginners Tutorial!\"<\/span><span class=\"p\">)<\/span>\r\n\r\n\t<span class=\"n\">lis<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">net<\/span><span class=\"o\">.<\/span><span class=\"n\">Listen<\/span><span class=\"p\">(<\/span><span class=\"s\">\"tcp\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\":%d\"<\/span><span class=\"p\">,<\/span> <span class=\"m\">9000<\/span><span class=\"p\">))<\/span>\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"failed to listen: %v\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\r\n\t<span class=\"n\">s<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">chat<\/span><span class=\"o\">.<\/span><span class=\"n\">Server<\/span><span class=\"p\">{}<\/span>\r\n\r\n\t<span class=\"n\">grpcServer<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">grpc<\/span><span class=\"o\">.<\/span><span class=\"n\">NewServer<\/span><span class=\"p\">()<\/span>\r\n\r\n\t<span class=\"n\">chat<\/span><span class=\"o\">.<\/span><span class=\"n\">RegisterChatServiceServer<\/span><span class=\"p\">(<\/span><span class=\"n\">grpcServer<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">s<\/span><span class=\"p\">)<\/span>\r\n\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">grpcServer<\/span><span class=\"o\">.<\/span><span class=\"n\">Serve<\/span><span class=\"p\">(<\/span><span class=\"n\">lis<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"failed to serve: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6b21\u306b\u3001SayHello\u3092\u53d6\u308a\u8fbc\u3093\u3067Message\u672c\u6587\u3092\u8aad\u307f\u53d6\u3063\u3066\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">Chat\/chat.go\u306e\u8ffd\u52a0<\/ul>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">chat<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n\t<span class=\"s\">\"log\"<\/span>\r\n\r\n\t<span class=\"s\">\"golang.org\/x\/net\/context\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Server<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">s<\/span> <span class=\"o\">*<\/span><span class=\"n\">Server<\/span><span class=\"p\">)<\/span> <span class=\"n\">SayHello<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span> <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"n\">Context<\/span><span class=\"p\">,<\/span> <span class=\"n\">in<\/span> <span class=\"o\">*<\/span><span class=\"n\">Message<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"o\">*<\/span><span class=\"n\">Message<\/span><span class=\"p\">,<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Receive message body from client: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">in<\/span><span class=\"o\">.<\/span><span class=\"n\">Body<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">Message<\/span><span class=\"p\">{<\/span><span class=\"n\">Body<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"Hello From the Server!\"<\/span><span class=\"p\">},<\/span> <span class=\"no\">nil<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u3053\u3053\u307e\u3067\u7d42\u308f\u3063\u305f\u3089\u30b5\u30fc\u30d0\u30fc\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>go run server.go\r\nGo gRPC Beginners Tutorial!\r\n<\/code><\/pre>\n<p>gRPC\u30b5\u30fc\u30d0\u30fc\u304c\u8d77\u52d5\u3057\u307e\u3057\u305f\uff01<\/p>\n<h3>Go\u3067\u306egRPC\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u69cb\u7bc9<\/h3>\n<p>\u30b5\u30fc\u30d0\u30fc\u304c\u7a3c\u50cd\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u3068\u901a\u4fe1\u3059\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u69cb\u7bc9\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul class=\"post-ul\">Client.go<\/ul>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n\t<span class=\"s\">\"log\"<\/span>\r\n\r\n\t<span class=\"s\">\"golang.org\/x\/net\/context\"<\/span>\r\n\t<span class=\"s\">\"google.golang.org\/grpc\"<\/span>\r\n\r\n\t<span class=\"s\">\"github.com\/tutorialedge\/go-grpc-beginners-tutorial\/chat\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\r\n\t<span class=\"k\">var<\/span> <span class=\"n\">conn<\/span> <span class=\"o\">*<\/span><span class=\"n\">grpc<\/span><span class=\"o\">.<\/span><span class=\"n\">ClientConn<\/span>\r\n\t<span class=\"n\">conn<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">grpc<\/span><span class=\"o\">.<\/span><span class=\"n\">Dial<\/span><span class=\"p\">(<\/span><span class=\"s\">\":9000\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">grpc<\/span><span class=\"o\">.<\/span><span class=\"n\">WithInsecure<\/span><span class=\"p\">())<\/span>\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"did not connect: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"k\">defer<\/span> <span class=\"n\">conn<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">()<\/span>\r\n\r\n\t<span class=\"n\">c<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">chat<\/span><span class=\"o\">.<\/span><span class=\"n\">NewChatServiceClient<\/span><span class=\"p\">(<\/span><span class=\"n\">conn<\/span><span class=\"p\">)<\/span>\r\n\r\n\t<span class=\"n\">response<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">SayHello<\/span><span class=\"p\">(<\/span><span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"n\">Background<\/span><span class=\"p\">(),<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">chat<\/span><span class=\"o\">.<\/span><span class=\"n\">Message<\/span><span class=\"p\">{<\/span><span class=\"n\">Body<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"Hello From Client!\"<\/span><span class=\"p\">})<\/span>\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Error when calling SayHello: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Response from server: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">response<\/span><span class=\"o\">.<\/span><span class=\"n\">Body<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>go run client.go\r\n2020\/04\/30 20:10:09 Response from server: Hello From the Server!\r\n<\/code><\/pre>\n<h2>\u6700\u5f8c\u306b<\/h2>\n<p>\u3053\u3053\u307e\u3067\u3067Go\u8a00\u8a9e\u3067\u5358\u7d14\u306agRPC\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u3092\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u7740\u4fe1\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u5165\u308c\u3066\u3001\u305d\u308c\u3089\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u5fdc\u7b54\u3092\u8fd4\u3059\u51e6\u7406\u3067\u3059\u3002<\/p>\n<p>\u307e\u3060\u3053\u306e\u8a18\u4e8b\u3060\u3051\u3067\u306fgRPC\u306e\u4e00\u90e8\u5206\u3057\u304b\u89e6\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u5171\u306b\u52c9\u5f37\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<br \/>\n\u4e0d\u660e\u70b9\u306a\u3069\u3054\u3056\u3044\u307e\u3057\u305f\u3089\u304a\u6c17\u8efd\u30b3\u30e1\u30f3\u30c8\u304a\u9858\u3044\u3057\u307e\u3059mm<\/p>\n<h3>\u53c2\u8003\u6587\u732e<\/h3>\n<p>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30d0\u30c3\u30af\u30a8\u30f3\u30c9API\u306e\u305f\u3081\u306eREST\u3068gRPC<\/p>\n<p>&nbsp;<\/p>\n<p>\u3044\u307e\u3055\u3089\u3060\u3051\u3069gRPC\u306b\u5165\u9580\u3057\u305f\u306e\u3067\u5206\u304b\u308a\u3084\u3059\u304f\u307e\u3068\u3081\u3066\u307f\u305f<\/p>\n<p>gRPC\u3063\u3066\u4f55\uff1f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u3053\u306e\u8a18\u4e8b\u306f\u3001\u6d77\u5916\u30b5\u30a4\u30c8https:\/\/tutorialedge.net\/golang\/go-grpc [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44723","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 rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/44723-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u306f\u3058\u3081\u306b \u3053\u306e\u8a18\u4e8b\u306f\u3001\u6d77\u5916\u30b5\u30a4\u30c8https:\/\/tutorialedge.net\/golang\/go-grpc [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/44723-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-18T03:51:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-03T22:00:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5aa837434c4406ce7442\/2-0.2%26auto%3Dformat%26gif-q%3D60%26q%3D75%26s%3D685b5ae9b714b2f9c812c398a9151436\" \/>\n<meta name=\"author\" content=\"\u6e05, \u5b87\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6e05, \u5b87\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/44723-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/44723-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-09-18T03:51:24+00:00\",\"dateModified\":\"2024-05-03T22:00:42+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/1a6ecd3d914d22a5ac32791ffc1fbd8e\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/44723-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon 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