{"id":222,"date":"2022-06-29T23:12:22","date_gmt":"2022-06-29T15:12:22","guid":{"rendered":"https:\/\/cococat.top\/?p=222"},"modified":"2022-06-29T23:12:22","modified_gmt":"2022-06-29T15:12:22","slug":"grpc_learning_note","status":"publish","type":"post","link":"https:\/\/cococat.top\/index.php\/2022\/06\/29\/grpc_learning_note\/","title":{"rendered":"gRPC\u5b66\u4e60\u7b14\u8bb0"},"content":{"rendered":"<h1>1. RPC\u57fa\u7840\u6982\u5ff5<\/h1>\n<h2>1.1 RPC<\/h2>\n<p>\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528\uff08Remote Procedure Call, RPC\uff09\uff0c\u4e00\u79cd\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u6a21\u5f0f\uff0c\u5141\u8bb8\u8fd0\u884c\u4e8e\u4e00\u53f0\u8ba1\u7b97\u673a\u7684\u7a0b\u5e8f\u8c03\u7528\u53e6\u4e00\u4e2a\u5730\u5740\u7a7a\u95f4\uff08\u901a\u5e38\u4e3a\u4e00\u4e2a\u5f00\u653e\u7f51\u7edc\u7684\u4e00\u53f0\u8ba1\u7b97\u673a\uff09\u7684\u5b50\u7a0b\u5e8f\uff0c\u800c\u7a0b\u5e8f\u5458\u5c31\u50cf\u8c03\u7528\u672c\u5730\u7a0b\u5e8f\u4e00\u6837\uff0c\u65e0\u9700\u989d\u5916\u5730\u4e3a\u8fd9\u4e2a\u4ea4\u4e92\u4f5c\u7528\u7f16\u7a0b\uff08\u65e0\u9700\u5173\u6ce8\u7ec6\u8282\uff09\u3002<\/p>\n<h2>1.2 \u5fae\u670d\u52a1<\/h2>\n<p>\u5fae\u670d\u52a1\u662f\u4e00\u79cd\u5f00\u53d1\u8f6f\u4ef6\u7684\u67b6\u6784\u548c\u7ec4\u7ec7\u65b9\u6cd5\uff0c\u5176\u4e2d\u8f6f\u4ef6\u7531\u901a\u8fc7\u660e\u786e\u5b9a\u4e49\u7684API\u8fdb\u884c\u901a\u4fe1\u7684\u5c0f\u578b\u72ec\u7acb\u670d\u52a1\u7ec4\u6210\uff0c\u8fd9\u4e9b\u670d\u52a1\u56f4\u7ed5\u4e1a\u52a1\u6784\u5efa\uff0c\u6bcf\u9879\u670d\u52a1\u6267\u884c\u5355\u4e00\u529f\u80fd\u3002<br \/>\n\u91c7\u7528\u5fae\u670d\u52a1\u67b6\u6784\u540e\uff0c\u53ef\u4ee5\u5c06\u4e1a\u52a1\u7ec4\u4ef6\u5c01\u88c5\u4e3a\u4e2d\u53f0\u670d\u52a1\uff0c\u901a\u8fc7RPC\u8fdb\u884c\u8fdc\u7a0b\u8c03\u7528\uff0c\u6709\u7740\u65b9\u4fbf\u590d\u7528\u3001\u7cfb\u7edf\u67b6\u6784\u6e05\u6670\u7684\u597d\u5904\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u5404\u7ec4\u4ef6\u72ec\u7acb\u8fd0\u884c\u7684\u6027\u8d28\uff0c\u53ef\u4ee5\u9488\u5bf9\u5404\u9879\u670d\u52a1\u5355\u72ec\u8fdb\u884c\u66f4\u65b0\u3001\u90e8\u7f72\u548c\u6269\u5c55\uff0c\u4ee5\u6ee1\u8db3\u5bf9\u5e94\u7528\u7a0b\u5e8f\u7279\u5b9a\u529f\u80fd\u7684\u9700\u6c42\u3002<br \/>\n\u7531\u4e8e\u670d\u52a1\u95f4\u901a\u4fe1\u9891\u7e41\uff0c\u9700\u8981\u91c7\u7528\u8f7b\u91cf\u7ea7\u7684\u901a\u4fe1\u3002\u968f\u7740\u5fae\u670d\u52a1\u67b6\u6784\u7684\u6d41\u884c\uff0cRPC\u6846\u67b6\u6e10\u6e10\u5730\u6210\u4e3a\u670d\u52a1\u6846\u67b6\u7684\u4e00\u4e2a\u91cd\u8981\u90e8\u5206\u3002<\/p>\n<h2>1.3 Protocol Buffer (Protobuf)<\/h2>\n<p>RPC\u5bf9\u901a\u4fe1\u6027\u80fd\uff08\u4f8b\u5982\u4fe1\u606f\u7684\u7f16\u89e3\u7801\uff09\u6709\u7740\u5f88\u9ad8\u7684\u8981\u6c42\u3002Protocol Buffer\uff0c\u7b80\u79f0Protobuf\uff0c\u662fGoogle\u5f00\u6e90\u7684\u4e00\u4e2a\u8bed\u8a00\u65e0\u5173\u3001\u5e73\u53f0\u65e0\u5173\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u6709\u7740\u8de8\u8bed\u8a00\u3001\u8de8\u5e73\u53f0\u3001\u9ad8\u6027\u80fd\u7684\u4f18\u70b9\u3002<\/p>\n<h2>1.4 gRPC<\/h2>\n<p>Google\u5f00\u6e90\u7684\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684RPC\u6846\u67b6\uff0c\u4f7f\u7528\u57fa\u4e8eprotobuf\u7684\u4e8c\u8fdb\u5236\u534f\u8bae\u8fdb\u884c\u901a\u4fe1\uff0c\u6709\u7740\u9ad8\u6027\u80fd\u3001\u652f\u6301\u591a\u8bed\u8a00\u3001\u6210\u719f\u4e14\u5e7f\u6cdb\u4f7f\u7528\u7b49\u4f18\u70b9\u3002<\/p>\n<h2>\u53c2\u8003<\/h2>\n<p><a href=\"https:\/\/zh.wikipedia.org\/zh-cn\/%E9%81%A0%E7%A8%8B%E9%81%8E%E7%A8%8B%E8%AA%BF%E7%94%A8\">https:\/\/zh.wikipedia.org\/zh-cn\/%E9%81%A0%E7%A8%8B%E9%81%8E%E7%A8%8B%E8%AA%BF%E7%94%A8<\/a><br \/>\n<a href=\"https:\/\/aws.amazon.com\/cn\/microservices\/\">https:\/\/aws.amazon.com\/cn\/microservices\/<\/a><br \/>\n<a href=\"https:\/\/yuyy.info\/?p=1911\">https:\/\/yuyy.info\/?p=1911<\/a><\/p>\n<h1>2. RPC\u4e0eHTTP(\u6216RESTful API) \u6bd4\u8f83\uff1f<\/h1>\n<ul>\n<li>RESTful API\u9700\u8981\u6709\u786e\u5b9a\u7684URL\uff0c\u4e0d\u662f\u6240\u6709\u573a\u666f\u4e0b\u64cd\u4f5c\u7684\u5bf9\u8c61\u90fd\u6709URL\uff0c\u800cRPC\u7c7b\u4f3c\u51fd\u6570\u8c03\u7528\u7684\u5f62\u5f0f\u53ef\u4ee5\u8986\u76d6\u8fd9\u4e9b\u573a\u666f\u3002<\/li>\n<li>RPC\u5728\u62a5\u6587\u5927\u5c0f\u548c\u7f16\u89e3\u7801\u901f\u5ea6\u4e0a\u90fd\u66f4\u5360\u4f18\u52bf\u3002RPC\u5f80\u5f80\u4f7f\u7528\u66f4\u52a0\u9ad8\u6548\u7684\u7f16\u89e3\u7801\u534f\u8bae\uff0c\u4f8b\u5982gRPC\u7528\u7684protobuf\u662f\u81ea\u5b9a\u4e49\u7684\u4e8c\u8fdb\u5236\u62a5\u6587\uff1bRESTful API\u57fa\u4e8eHTTP\uff0c\u5f80\u5f80\u662f\u7528json\u6216\u8005XML\uff0c\u867d\u7136\u53ef\u8bfb\u6027\u66f4\u9ad8\u4f46\u662f\u6570\u636e\u5305\u66f4\u5927\uff0c\u89e3\u6790\u66f4\u9700\u65f6\u95f4\uff0c\u6b64\u5916\u62a5\u6587\u7684\u5934\u90e8\u5b57\u6bb5\u4e5f\u66f4\u957f\uff0c\u6548\u7387\u8f83\u4f4e\u3002<\/li>\n<li>RPC\u57fa\u4e8eTCP\u534f\u8bae\uff0c\u4e5f\u53ef\u4ee5\u57fa\u4e8eHTTP\u534f\u8bae\u3002HTTP\u81ea\u7136\u662f\u57fa\u4e8eHTTP<\/li>\n<li>RPC\u5f80\u5f80\u662f\u670d\u52a1\u5185\u90e8\u8c03\u7528\uff0cRESTful API\u5f80\u5f80\u9762\u5411\u7528\u6237\u3002<br \/>\n<h2>\u53c2\u8003<\/h2>\n<p><a href=\"https:\/\/juejin.cn\/post\/6869249088953843719\">https:\/\/juejin.cn\/post\/6869249088953843719<\/a><\/p>\n<\/li>\n<\/ul>\n<h1>3. RPC\u67b6\u6784\u7ec4\u4ef6<\/h1>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">\u4e00\u4e2a\u57fa\u672c\u7684RPC\u67b6\u6784\u91cc\u9762\u5e94\u8be5\u81f3\u5c11\u5305\u542b\u4ee5\u4e0b4\u4e2a\u7ec4\u4ef6\uff1a<br \/>\n\u7ec4\u4ef6<\/th>\n<th style=\"text-align: center;\">\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">\u5ba2\u6237\u7aef Client<\/td>\n<td style=\"text-align: center;\">\u670d\u52a1\u8c03\u7528\u65b9\uff08\u670d\u52a1\u6d88\u8d39\u8005\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u5ba2\u6237\u7aef\u5b58\u6839 Client Stub<\/td>\n<td style=\"text-align: center;\">\u5b58\u653e\u670d\u52a1\u7aef\u5730\u5740\u4fe1\u606f\uff0c\u5c06\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u53c2\u6570\u6570\u636e\u4fe1\u606f\u6253\u5305\u6210\u7f51\u7edc\u6d88\u606f\uff0c\u518d\u901a\u8fc7\u7f51\u7edc\u4f20\u8f93\u53d1\u9001\u7ed9\u670d\u52a1\u7aef<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u670d\u52a1\u7aef\u5b58\u6839 Server Stub<\/td>\n<td style=\"text-align: center;\">\u63a5\u6536\u5ba2\u6237\u7aef\u53d1\u9001\u8fc7\u6765\u7684\u8bf7\u6c42\u6d88\u606f\u5e76\u8fdb\u884c\u89e3\u5305\uff0c\u7136\u540e\u518d\u8c03\u7528\u672c\u5730\u670d\u52a1\u8fdb\u884c\u5904\u7406<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u670d\u52a1\u7aef Server<\/td>\n<td style=\"text-align: center;\">\u670d\u52a1\u7684\u771f\u6b63\u63d0\u4f9b\u8005<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5177\u4f53\u8c03\u7528\u8fc7\u7a0b\uff1a<\/p>\n<ol>\n<li>\u670d\u52a1\u6d88\u8d39\u8005\uff08client\u5ba2\u6237\u7aef\uff09\u901a\u8fc7\u8c03\u7528\u672c\u5730\u670d\u52a1\u7684\u65b9\u5f0f\u8c03\u7528\u9700\u8981\u6d88\u8d39\u7684\u670d\u52a1\uff1b<\/li>\n<li>\u5ba2\u6237\u7aef\u5b58\u6839\uff08client stub\uff09\u63a5\u6536\u5230\u8c03\u7528\u8bf7\u6c42\u540e\u8d1f\u8d23\u5c06\u65b9\u6cd5\u3001\u5165\u53c2\u7b49\u4fe1\u606f\u5e8f\u5217\u5316\uff08\u7ec4\u88c5\uff09\u6210\u80fd\u591f\u8fdb\u884c\u7f51\u7edc\u4f20\u8f93\u7684\u6d88\u606f\u4f53\uff1b<\/li>\n<li>\u5ba2\u6237\u7aef\u5b58\u6839\uff08client stub\uff09\u627e\u5230\u8fdc\u7a0b\u7684\u670d\u52a1\u5730\u5740\uff0c\u5e76\u4e14\u5c06\u6d88\u606f\u901a\u8fc7\u7f51\u7edc\u53d1\u9001\u7ed9\u670d\u52a1\u7aef\uff1b<\/li>\n<li>\u670d\u52a1\u7aef\u5b58\u6839\uff08server stub\uff09\u6536\u5230\u6d88\u606f\u540e\u8fdb\u884c\u89e3\u7801\uff08\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c\uff09\uff1b<\/li>\n<li>\u670d\u52a1\u7aef\u5b58\u6839\uff08server stub\uff09\u6839\u636e\u89e3\u7801\u7ed3\u679c\u8c03\u7528\u672c\u5730\u7684\u670d\u52a1\u8fdb\u884c\u76f8\u5173\u5904\u7406\uff1b<\/li>\n<li>\u672c\u5730\u670d\u52a1\u6267\u884c\u5177\u4f53\u4e1a\u52a1\u903b\u8f91\u5e76\u5c06\u5904\u7406\u7ed3\u679c\u8fd4\u56de\u7ed9\u670d\u52a1\u7aef\u5b58\u6839\uff08server stub\uff09\uff1b<\/li>\n<li>\u670d\u52a1\u7aef\u5b58\u6839\uff08server stub\uff09\u5c06\u8fd4\u56de\u7ed3\u679c\u91cd\u65b0\u6253\u5305\u6210\u6d88\u606f\uff08\u5e8f\u5217\u5316\uff09\u5e76\u901a\u8fc7\u7f51\u7edc\u53d1\u9001\u81f3\u6d88\u8d39\u65b9\uff1b<\/li>\n<li>\u5ba2\u6237\u7aef\u5b58\u6839\uff08client stub\uff09\u63a5\u6536\u5230\u6d88\u606f\uff0c\u5e76\u8fdb\u884c\u89e3\u7801\uff08\u53cd\u5e8f\u5217\u5316\uff09\uff1b<\/li>\n<li>\u670d\u52a1\u6d88\u8d39\u65b9\u5f97\u5230\u6700\u7ec8\u7ed3\u679c\uff1b<\/li>\n<\/ol>\n<p>\u800cRPC\u6846\u67b6\u7684\u5b9e\u73b0\u76ee\u6807\u5219\u662f\u5c06\u4e0a\u9762\u7684\u7b2c2-10\u6b65\u5b8c\u597d\u5730\u5c01\u88c5\u8d77\u6765\uff0c\u4e5f\u5c31\u662f\u628a\u8c03\u7528\u3001\u7f16\u7801\/\u89e3\u7801\u7684\u8fc7\u7a0b\u7ed9\u5c01\u88c5\u8d77\u6765\uff0c\u8ba9\u7528\u6237\u611f\u89c9\u4e0a\u50cf\u8c03\u7528\u672c\u5730\u670d\u52a1\u4e00\u6837\u7684\u8c03\u7528\u8fdc\u7a0b\u670d\u52a1\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/p3-juejin.byteimg.com\/tos-cn-i-k3u1fbpfcp\/73c48fdcea4d44c0b3ed51247eeb1d2d~tplv-k3u1fbpfcp-zoom-in-crop-mark:3024:0:0:0.awebp?'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/p3-juejin.byteimg.com\/tos-cn-i-k3u1fbpfcp\/73c48fdcea4d44c0b3ed51247eeb1d2d~tplv-k3u1fbpfcp-zoom-in-crop-mark:3024:0:0:0.awebp?\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u8c03\u7528\u8fc7\u7a0b\" \/><\/div><\/p>\n<h2>\u53c2\u8003<\/h2>\n<p><a href=\"https:\/\/juejin.cn\/post\/7055613735020265479\">https:\/\/juejin.cn\/post\/7055613735020265479<\/a><\/p>\n<h1>4. Protobuf\u5b9a\u4e49\u670d\u52a1<\/h1>\n<p>\u4f7f\u7528protobuf\u5b9a\u4e49\u670d\u52a1\u7684\u5305\u542b\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a\u9996\u5148\u901a\u8fc7\u4e00\u4e2a.proto\u6587\u4ef6\u6765\u5b9a\u4e49\u670d\u52a1\uff0c\u5305\u542bgRPC service\u3001request\u4ee5\u53caresponse\u7684\u7c7b\u578b\uff1b\u5176\u6b21\u901a\u8fc7protobuf\u7f16\u8bd1\u5668<code>protoc<\/code>\u751f\u6210\u5bf9\u5e94\u9ad8\u7ea7\u8bed\u8a00\u7248\u672c\u7684\u670d\u52a1\u7c7b\u6587\u4ef6\u548c\u6d88\u606f\u7c7b\u6587\u4ef6\uff0c<\/p>\n<h2>4.1 .proto\u6587\u4ef6\u5b9a\u4e49\u670d\u52a1<\/h2>\n<p>.proto\u6587\u4ef6\u5305\u542b\u4e09\u4e2a\u90e8\u5206\uff1a\u5b9a\u4e49\u670d\u52a1\u3001\u8bf7\u6c42\u7c7b\u578b\u548c\u54cd\u5e94\u7c7b\u578b\u3002\u5b9a\u4e49\u670d\u52a1\u7684<code>service<\/code>\u4ee3\u7801\u5757\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre><code class=\"language-protobuf\">service {\n    \/\/ ...\n}<\/code><\/pre>\n<p>\u5728<code>service<\/code>\u5757\u4e2d\u9700\u8981\u5b9a\u4e49\u670d\u52a1\u7c7b\u578b\uff0cgRPC\u652f\u63014\u79cd\u670d\u52a1\u7c7b\u578b\uff1a<\/p>\n<h3>4.1.1 \u7b80\u5355RPC (simple RPC)<\/h3>\n<p>\u7b80\u5355RPC\u4e0e\u901a\u5e38\u7684\u51fd\u6570\u8c03\u7528\u7c7b\u4f3c\uff0c\u5ba2\u6237\u7aef\u4f7f\u7528\u5b58\u6839(stub)\u53d1\u9001\u8bf7\u6c42\u5230\u670d\u52a1\u5668\u5e76\u7b49\u5f85\u54cd\u5e94\u8fd4\u56de\u3002<\/p>\n<pre><code class=\"language-protobuf\">rpc GetFeature(Point) returns (Feature) {}<\/code><\/pre>\n<h3>4.1.2 \u670d\u52a1\u7aef\u6d41\u5f0fRPC (server-side streaming RPC)<\/h3>\n<p>\u670d\u52a1\u7aef\u6d41\u5f0fRPC\u5728\u5b9a\u4e49\u65f6\u9700\u8981\u5728\u54cd\u5e94\u7c7b\u578b\u524d\u63d2\u5165<code>stream<\/code>\u5173\u952e\u5b57\u3002\u5728\u8fd9\u79cd\u670d\u52a1\u7c7b\u578b\u4e0b\uff0c\u5ba2\u6237\u7aef\u53d1\u9001\u8bf7\u6c42\u5230\u670d\u52a1\u5668\uff0c\u5f97\u5230\u4e00\u4e2a\u6d41\u4f5c\u4e3a\u8fd4\u56de\uff0c\u5ba2\u6237\u7aef\u901a\u8fc7\u8bfb\u53d6\u6d41\u83b7\u5f97\u4e00\u7cfb\u5217\u6d88\u606f\uff0c\u76f4\u5230\u6d41\u5185\u6d88\u606f\u5168\u90e8\u8bfb\u5b8c\u540e\u7ed3\u675f\u3002<\/p>\n<pre><code class=\"language-protobuf\">rpc ListFeatures(Rectangle) returns (stream Feature) {}<\/code><\/pre>\n<h3>4.1.3 \u5ba2\u6237\u7aef\u6d41\u5f0fRPC (client-side streaming RPC)<\/h3>\n<p>\u5ba2\u6237\u7aef\u6d41\u5f0fRPC\u5728\u5b9a\u4e49\u65f6\u9700\u8981\u5728\u8bf7\u6c42\u7c7b\u578b\u524d\u63d2\u5165<code>stream<\/code>\u5173\u952e\u5b57\u3002\u5728\u8fd9\u79cd\u670d\u52a1\u7c7b\u578b\u4e0b\uff0c\u5ba2\u6237\u7aef\u4f7f\u7528\u6d41\u7684\u65b9\u5f0f\u53d1\u9001\u4e00\u7cfb\u5217\u6d88\u606f\u5230\u670d\u52a1\u5668\uff0c\u5b8c\u6210\u53d1\u9001\u540e\u7b49\u5f85\u54cd\u5e94\u8fd4\u56de\u3002\u5ba2\u6237\u7aef\u901a\u8fc7\u8bfb\u53d6\u6d41\u83b7\u5f97\u4e00\u7cfb\u5217\u6d88\u606f\uff0c\u76f4\u5230\u6d41\u5185\u6d88\u606f\u5168\u90e8\u8bfb\u5b8c\u540e\u7ed3\u675f\u3002<\/p>\n<pre><code class=\"language-protobuf\">rpc RecordRoute(stream Point) returns (RouteSummary) {}<\/code><\/pre>\n<h3>4.1.4 \u53cc\u5411\u6d41\u5f0fRPC (bidirectional streaming RPC)<\/h3>\n<p>\u53cc\u5411\u6d41\u5f0fRPC\u5728\u5b9a\u4e49\u65f6\u9700\u8981\u5728\u8bf7\u6c42\u548c\u54cd\u5e94\u7c7b\u578b\u524d\u90fd\u63d2\u5165<code>stream<\/code>\u5173\u952e\u5b57\u3002\u5728\u8fd9\u79cd\u670d\u52a1\u7c7b\u578b\u4e0b\uff0c\u4e24\u4e2a\u6d41\u72ec\u7acb\u8fd0\u884c\uff0c\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef\u7684\u8bfb\u5199\u987a\u5e8f\u6ca1\u6709\u56fa\u5b9a\u8981\u6c42\uff0c\u4f8b\u5982\u670d\u52a1\u5668\u53ef\u4ee5\u5728\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6240\u6709\u6d88\u606f\u540e\u518d\u5f00\u59cb\u54cd\u5e94\uff0c\u4e5f\u53ef\u4ee5\u8bfb\u4e00\u6761\u6d88\u606f\u518d\u54cd\u5e94\u4e00\u6761\u6d88\u606f\u3002\u6d41\u4e2d\u7684\u6d88\u606f\u987a\u5e8f\u4f1a\u88ab\u8bb0\u5f55\u3002<\/p>\n<pre><code class=\"language-protobuf\">rpc RouteChat(stream RouteNote) returns (stream RouteNote) {}<\/code><\/pre>\n<h2>4.2 .proto\u6587\u4ef6\u5b9a\u4e49\u6d88\u606f<\/h2>\n<p>\u6b64\u5916\uff0cproto\u6587\u4ef6\u8fd8\u5305\u62ec\u5728\u5b9a\u4e49\u670d\u52a1\u7684\u8bf7\u6c42\u548c\u54cd\u5e94\u65f6\u51fa\u73b0\u7684\u6240\u6709\u6d88\u606f\u7c7b\u578b\uff0c\u4f8b\u5982\u5728\u4e0a\u6587\u4e2d\u51fa\u73b0\u7684<code>Point<\/code>\u7c7b\u578b\u7684\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-protobuf\">message Point {\n  int32 latitude = 1;\n  int32 longitude = 2;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1. RPC\u57fa\u7840\u6982\u5ff5 1.1 RPC \u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528\uff08Remote Procedure Call, RPC\uff09\uff0c\u4e00 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[16],"class_list":["post-222","post","type-post","status-publish","format-standard","hentry","category-rpc","tag-grpc"],"_links":{"self":[{"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/posts\/222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/comments?post=222"}],"version-history":[{"count":0,"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/posts\/222\/revisions"}],"wp:attachment":[{"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/media?parent=222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/categories?post=222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/tags?post=222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}