{"id":193113,"date":"2023-10-21T04:06:02","date_gmt":"2023-10-20T20:06:02","guid":{"rendered":"https:\/\/www.idc.net\/help\/193113\/"},"modified":"2023-10-21T04:06:02","modified_gmt":"2023-10-20T20:06:02","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91goframe%e6%95%99%e7%a8%8b%ef%bc%9agoframe-%e9%93%be%e8%b7%af%e8%b7%9f%e8%b8%aa-grpc%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/193113\/","title":{"rendered":"\u540e\u6d6a\u4e91GoFrame\u6559\u7a0b\uff1aGoFrame \u94fe\u8def\u8ddf\u8e2a-GRPC\u793a\u4f8b"},"content":{"rendered":"

\u5728\u672c\u7ae0\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u4e4b\u524d\u4ecb\u7ecd\u200bHTTP Client&Server<\/code>\u200b\u7684\u793a\u4f8b\u4fee\u6539\u4e3a\u200bGRPC<\/code>\u200b\u5fae\u670d\u52a1\uff0c\u5e76\u6f14\u793a\u5982\u4f55\u4f7f\u7528\u200bGoFrame<\/code>\u200b\u6846\u67b6\u5f00\u53d1\u4e00\u4e2a\u7b80\u5355\u7684\u200bGRPC<\/code>\u200b\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\uff0c\u5e76\u4e14\u4e3a\u200bGRPC<\/code>\u200b\u5fae\u670d\u52a1\u589e\u52a0\u94fe\u8def\u8ddf\u8e2a\u7279\u6027\u3002<\/p>\n

\u672c\u7ae0\u8282\u7684\u793a\u4f8b\u4ee3\u7801\u4f4d\u4e8e\uff1ahttps:\/\/github.com\/gogf\/gf\/tree\/master\/example\/trace\/grpc_with_db <\/p>\n

\u76ee\u5f55\u7ed3\u6784<\/h2>\n

<\/p>\n

Protocol<\/h2>\n
syntax = \"proto3\";\n\npackage user;\n\noption go_package = \"protobuf\/user\";\n\nimport \"github.com\/gogo\/protobuf\/gogoproto\/gogo.proto\";\n\n\/\/ User service for tracing demo.\nservice User {\n  rpc Insert(InsertReq) returns (InsertRes) {}\n  rpc Query(QueryReq) returns (QueryRes) {}\n  rpc Delete(DeleteReq) returns (DeleteRes) {}\n}\n\nmessage InsertReq {\n  string Name = 1 [(gogoproto.moretags) = 'v:\"required#Please input user name.\"'];\n}\n\nmessage InsertRes {\n  int32 Id = 1;\n}\n\nmessage QueryReq {\n  int32 Id = 1 [(gogoproto.moretags) = 'v:\"min:1#User id is required for querying.\"'];\n}\n\nmessage QueryRes {\n  int32  Id = 1;\n  string Name = 2;\n}\n\nmessage DeleteReq {\n  int32 Id = 1 [(gogoproto.moretags) = 'v:\"min:1#User id is required for deleting.\"'];\n}\n\nmessage DeleteRes {}<\/code><\/pre>\n
\u8fd9\u91cc\u4f7f\u7528\u5230\u4e86\u7b2c\u4e09\u65b9\u7684 github.com\/gogo\/protobuf \u5f00\u6e90\u9879\u76ee\uff0c\u7528\u4e8e\u6ce8\u5165\u81ea\u5b9a\u4e49\u7684Golang struct\u6807\u7b7e\u3002\u8fd9\u91cc\u4e0d\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u53ef\u4ee5\u81ea\u884c\u4e86\u89e3\u3002\u672a\u6765\u200bKatyusha<\/code>\u200b\u5fae\u670d\u52a1\u6846\u67b6\u7684\u5b98\u7f51\u6587\u6863\u4e5f\u4f1a\u505a\u5bf9\u8fd9\u5757\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5305\u62ec\u200bGRPC<\/code>\u200b\u5de5\u7a0b\u76ee\u5f55\u3001\u5f00\u53d1\u89c4\u8303\u3001\u5f00\u53d1\u5de5\u5177\u3001\u62e6\u622a\u5668\u3001\u6ce8\u518c\u53d1\u73b0\u3001\u8d1f\u8f7d\u5747\u8861\u7b49\u8bbe\u8ba1\u8bdd\u9898\u3002<\/p>\n
GRPC Server<\/h2>\n
package main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\t\"time\"\n\n\t\"github.com\/gogf\/gf\/contrib\/trace\/jaeger\/v2\"\n\t\"github.com\/gogf\/gf\/example\/trace\/grpc_with_db\/protobuf\/user\"\n\t\"github.com\/gogf\/gf\/v2\/database\/gdb\"\n\t\"github.com\/gogf\/gf\/v2\/frame\/g\"\n\t\"github.com\/gogf\/gf\/v2\/os\/gcache\"\n\t\"github.com\/gogf\/gf\/v2\/os\/gctx\"\n\t\"github.com\/gogf\/katyusha\/krpc\"\n)\n\ntype server struct{}\n\nconst (\n\tServiceName       = \"grpc-server-with-db\"\n\tJaegerUdpEndpoint = \"localhost:6831\"\n)\n\nfunc main() {\n\tvar ctx = gctx.New()\n\ttp, err := jaeger.Init(ServiceName, JaegerUdpEndpoint)\n\tif err != nil {\n\t\tg.Log().Fatal(ctx, err)\n\t}\n\tdefer tp.Shutdown(ctx)\n\n\t\/\/ Set ORM cache adapter with redis.\n\tg.DB().GetCache().SetAdapter(gcache.NewAdapterRedis(g.Redis()))\n\n\ts := krpc.Server.NewGrpcServer()\n\tuser.RegisterUserServer(s.Server, &server{})\n\ts.Run()\n}\n\n\/\/ Insert is a route handler for inserting user info into database.\nfunc (s *server) Insert(ctx context.Context, req *user.InsertReq) (res *user.InsertRes, err error) {\n\tresult, err := g.Model(\"user\").Ctx(ctx).Insert(g.Map{\n\t\t\"name\": req.Name,\n\t})\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\tid, _ := result.LastInsertId()\n\tres = &user.InsertRes{\n\t\tId: int32(id),\n\t}\n\treturn\n}\n\n\/\/ Query is a route handler for querying user info. It firstly retrieves the info from redis,\n\/\/ if there's nothing in the redis, it then does db select.\nfunc (s *server) Query(ctx context.Context, req *user.QueryReq) (res *user.QueryRes, err error) {\n\terr = g.Model(\"user\").Ctx(ctx).Cache(gdb.CacheOption{\n\t\tDuration: 5 * time.Second,\n\t\tName:     s.userCacheKey(req.Id),\n\t\tForce:    false,\n\t}).WherePri(req.Id).Scan(&res)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\treturn\n}\n\n\/\/ Delete is a route handler for deleting specified user info.\nfunc (s *server) Delete(ctx context.Context, req *user.DeleteReq) (res *user.DeleteRes, err error) {\n\terr = g.Model(\"user\").Ctx(ctx).Cache(gdb.CacheOption{\n\t\tDuration: -1,\n\t\tName:     s.userCacheKey(req.Id),\n\t\tForce:    false,\n\t}).WherePri(req.Id).Scan(&res)\n\treturn\n}\n\nfunc (s *server) userCacheKey(id int32) string {\n\treturn fmt.Sprintf(`userInfo:%d`, id)\n}<\/code><\/pre>\n
\u670d\u52a1\u7aef\u4ee3\u7801\u7b80\u8981\u8bf4\u660e\uff1a<\/p>\n
    \n
  • \u9996\u5148\uff0c\u670d\u52a1\u7aef\u9700\u8981\u901a\u8fc7\u200bjaeger.Init<\/code>\u200b\u65b9\u6cd5\u521d\u59cb\u5316\u200bJaeger<\/code>\u200b\u3002<\/li>\n
  • \u53ef\u4ee5\u770b\u5230\uff0c\u4e1a\u52a1\u903b\u8f91\u548c\u4e4b\u524dHTTP\u793a\u4f8b\u9879\u76ee\u5b8c\u5168\u4e00\u81f4\uff0c\u53ea\u662f\u63a5\u5165\u5c42\u4fee\u6539\u4e3a\u4e86\u200bGRPC<\/code>\u200b\u534f\u8bae\u3002<\/li>\n
  • \u6211\u4eec\u4ecd\u7136\u901a\u8fc7\u7f13\u5b58\u9002\u914d\u5668\u7684\u65b9\u5f0f\u6ce8\u5165\u200bRedis<\/code>\u200b\u7f13\u5b58\uff1a<\/li>\n<\/ul>\n
    g.DB().GetCache().SetAdapter(gcache.NewAdapterRedis(g.Redis()))<\/code><\/pre>\n
      \n
    • \u8fd9\u91cc\u4e5f\u662f\u901a\u8fc7\u200bCache<\/code>\u200b\u65b9\u6cd5\u542f\u7528\u200bORM<\/code>\u200b\u7684\u7f13\u5b58\u7279\u6027\uff0c\u4e4b\u524d\u5df2\u7ecf\u505a\u8fc7\u4ecb\u7ecd\uff0c\u8fd9\u91cc\u4e0d\u518d\u8d58\u8ff0\u3002<\/li>\n<\/ul>\n
      GRPC Client<\/h2>\n
      package main\n\nimport (\n\t\"github.com\/gogf\/gf\/contrib\/trace\/jaeger\/v2\"\n\t\"github.com\/gogf\/gf\/example\/trace\/grpc_with_db\/protobuf\/user\"\n\t\"github.com\/gogf\/gf\/v2\/frame\/g\"\n\t\"github.com\/gogf\/gf\/v2\/net\/gtrace\"\n\t\"github.com\/gogf\/gf\/v2\/os\/gctx\"\n)\n\nconst (\n\tServiceName       = \"grpc-client-with-db\"\n\tJaegerUdpEndpoint = \"localhost:6831\"\n)\n\nfunc main() {\n\tvar ctx = gctx.New()\n\ttp, err := jaeger.Init(ServiceName, JaegerUdpEndpoint)\n\tif err != nil {\n\t\tg.Log().Fatal(ctx, err)\n\t}\n\tdefer tp.Shutdown(ctx)\n\n\tStartRequests()\n}\n\nfunc StartRequests() {\n\tctx, span := gtrace.NewSpan(gctx.New(), \"StartRequests\")\n\tdefer span.End()\n\n\tvar client, err = user.NewClient()\n\tif err != nil {\n\t\tg.Log().Fatalf(ctx, `%+v`, err)\n\t}\n\n\t\/\/ Baggage.\n\tctx = gtrace.SetBaggageValue(ctx, \"uid\", 100)\n\n\t\/\/ Insert.\n\tinsertRes, err := client.User().Insert(ctx, &user.InsertReq{\n\t\tName: \"john\",\n\t})\n\tif err != nil {\n\t\tg.Log().Fatalf(ctx, `%+v`, err)\n\t}\n\tg.Log().Info(ctx, \"insert id:\", insertRes.Id)\n\n\t\/\/ Query.\n\tqueryRes, err := client.User().Query(ctx, &user.QueryReq{\n\t\tId: insertRes.Id,\n\t})\n\tif err != nil {\n\t\tg.Log().Errorf(ctx, `%+v`, err)\n\t\treturn\n\t}\n\tg.Log().Info(ctx, \"query result:\", queryRes)\n\n\t\/\/ Delete.\n\t_, err = client.User().Delete(ctx, &user.DeleteReq{\n\t\tId: insertRes.Id,\n\t})\n\tif err != nil {\n\t\tg.Log().Errorf(ctx, `%+v`, err)\n\t\treturn\n\t}\n\tg.Log().Info(ctx, \"delete id:\", insertRes.Id)\n\n\t\/\/ Delete with error.\n\t_, err = client.User().Delete(ctx, &user.DeleteReq{\n\t\tId: -1,\n\t})\n\tif err != nil {\n\t\tg.Log().Errorf(ctx, `%+v`, err)\n\t\treturn\n\t}\n\tg.Log().Info(ctx, \"delete id:\", -1)\n}<\/code><\/pre>\n
      \u5ba2\u6237\u7aef\u4ee3\u7801\u7b80\u8981\u8bf4\u660e\uff1a<\/p>\n
        \n
      1. \u9996\u5148\uff0c\u5ba2\u6237\u7aef\u4e5f\u662f\u9700\u8981\u901a\u8fc7\u200bjaeger.Init<\/code>\u200b\u65b9\u6cd5\u521d\u59cb\u5316\u200bJaeger<\/code>\u200b\u3002<\/li>\n
      2. \u5ba2\u6237\u7aef\u975e\u5e38\u7b80\u5355\uff0c\u5185\u90e8\u521d\u59cb\u5316\u4ee5\u53ca\u9ed8\u8ba4\u62e6\u622a\u5668\u7684\u8bbe\u7f6e\u5df2\u7ecf\u7531\u200bKatyusha<\/code>\u200b\u6846\u67b6\u5c01\u88c5\u597d\u4e86\uff0c\u5f00\u53d1\u8005\u53ea\u9700\u8981\u5173\u5fc3\u4e1a\u52a1\u903b\u8f91\u5b9e\u73b0\u5373\u53ef\uff0c<\/li>\n<\/ol>\n
        \u6548\u679c\u67e5\u770b<\/h2>\n
        \u542f\u52a8\u670d\u52a1\u7aef\uff1a<\/p>\n
         <\/p>\n
        \u542f\u52a8\u5ba2\u6237\u7aef\uff1a<\/p>\n
         <\/p>\n
        \u8fd9\u91cc\u5ba2\u6237\u7aef\u7684\u6267\u884c\u6700\u540e\u62a5\u4e86\u4e00\u4e2a\u9519\u8bef\uff0c\u90a3\u662f\u6211\u4eec\u6545\u610f\u4e3a\u4e4b\uff0c\u76ee\u7684\u662f\u6f14\u793a\u200bGRPC<\/code>\u200b\u62a5\u9519\u65f6\u7684\u94fe\u8def\u4fe1\u606f\u5c55\u793a\u3002\u6211\u4eec\u6253\u5f00\u200bjaeger<\/code>\u200b\u67e5\u770b\u4e00\u4e0b\u94fe\u8def\u8ddf\u8e2a\u4fe1\u606f\uff1a<\/p>\n
         <\/p>\n
        \u53ef\u4ee5\u770b\u5230\u672c\u6b21\u8bf7\u6c42\u6d89\u53ca\u5230\u4e24\u4e2a\u670d\u52a1\uff1a\u200btracing-grpc-client<\/code>\u200b\u548c\u200btracing-grpc-server<\/code>\u200b\uff0c\u5373\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u3002\u6574\u4e2a\u8bf7\u6c42\u94fe\u8def\u6d89\u53ca\u523017\u4e2a\u200bspan<\/code>\u200b\uff0c\u5ba2\u6237\u7aef5\u4e2a\u200bspan<\/code>\u200b\uff0c\u670d\u52a1\u7aef12\u4e2a\u200bspan<\/code>\u200b\uff0c\u5e76\u4e14\u4ea7\u751f\u4e862\u4e2a\u9519\u8bef\u3002\u6211\u4eec\u70b9\u51fb\u67e5\u770b\u8be6\u60c5\uff1a<\/p>\n
         <\/p>\n
        \u6211\u4eec\u70b9\u51fb\u67e5\u770b\u4e00\u4e0b\u6700\u540e\u63a5\u53e3\u8c03\u7528\u9519\u8bef\u7684\u200bspan<\/code>\u200b\u60c5\u51b5\uff1a<\/p>\n
         <\/p>\n
        \u770b\u8d77\u6765\u50cf\u4e2a\u53c2\u6570\u6821\u9a8c\u9519\u8bef\uff0c\u70b9\u51fb\u67e5\u770b\u200bEvents\/Logs<\/code>\u200b\u4e2d\u7684\u8bf7\u6c42\u53c2\u6570\uff1a<\/p>\n
         <\/p>\n
        \u67e5\u770b\u200bProcess<\/code>\u200b\u4e2d\u7684\u200bLog<\/code>\u200b\u4fe1\u606f\u53ef\u4ee5\u770b\u5230\uff0c\u662f\u7531\u4e8e\u4f20\u9012\u7684\u53c2\u6570\u4e3a-1\uff0c\u4e0d\u6ee1\u8db3\u6821\u9a8c\u89c4\u5219\uff0c\u56e0\u6b64\u5728\u6570\u636e\u6821\u9a8c\u7684\u65f6\u5019\u62a5\u9519\u8fd4\u56de\u4e86\u3002<\/p>\n
        GRPC Client <\/h3>\n
        \u7531\u4e8e\u200borm<\/code>\u200b\u3001\u200bredis<\/code>\u200b\u3001\u200blogging<\/code>\u200b\u7ec4\u4ef6\u5728\u4e4b\u524d\u7684\u7ae0\u8282\u4e2d\u5df2\u7ecf\u4ecb\u7ecd\u8fc7\u94fe\u8def\u4fe1\u606f\uff0c\u56e0\u6b64\u6211\u4eec\u8fd9\u91cc\u4e3b\u8981\u4ecb\u7ecd\u200bGRPC Client&Server<\/code>\u200b\u7684\u94fe\u8def\u4fe1\u606f\u3002<\/p>\n
        Attributes<\/h4>\n
         <\/p>\n\n\n\n\n\n\n\n\n\n\n
         Attribute\/Tag <\/th>\n \u8bf4\u660e <\/th>\n<\/tr>\n<\/thead>\n
        net.peer.ip<\/code> <\/td>\n\u8bf7\u6c42\u7684\u76ee\u6807IP\u3002<\/td>\n<\/tr>\n
        net.peer.port<\/code> <\/td>\n\u8bf7\u6c42\u7684\u76ee\u6807\u7aef\u53e3\u3002<\/td>\n<\/tr>\n
        rpc.grpc.status_code<\/code> <\/td>\nGRPC<\/code>\u7684\u5185\u90e8\u72b6\u6001\u7801\uff0c0<\/code>\u8868\u793a\u6210\u529f\uff0c\u975e0<\/code>\u8868\u793a\u5931\u8d25\u3002<\/td>\n<\/tr>\n
        rpc.service<\/code> <\/td>\nRPC<\/code>\u7684\u670d\u52a1\u540d\u79f0\uff0c\u6ce8\u610f\u8fd9\u91cc\u662fRPC<\/code>\u800c\u4e0d\u662fGRPC<\/code>\uff0c\u56e0\u4e3a\u8fd9\u91cc\u662f\u901a\u7528\u5b9a\u4e49\uff0c\u5ba2\u6237\u7aef\u652f\u6301\u591a\u79cdRPC<\/code>\u901a\u4fe1\u534f\u8bae\uff0cGRPC<\/code>\u53ea\u662f\u5176\u4e2d\u4e00\u79cd\u3002<\/td>\n<\/tr>\n
        rpc.method<\/code> <\/td>\nRPC<\/code>\u7684\u65b9\u6cd5\u540d\u79f0\u3002<\/td>\n<\/tr>\n
        rpc.system<\/code> <\/td>\nRPC<\/code>\u534f\u8bae\u7c7b\u578b\uff0c\u5982\uff1agrpc<\/code>, thrift<\/code>\u7b49\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        Events\/Logs<\/h4>\n
         <\/p>\n\n\n\n\n\n\n\n\n
         Event\/Log <\/th>\n \u8bf4\u660e <\/th>\n<\/tr>\n<\/thead>\n
        grpc.metadata.outgoing<\/code> <\/td>\nGRPC<\/code>\u5ba2\u6237\u7aef\u8bf7\u6c42\u63d0\u4ea4\u7684Metadata<\/code>\u4fe1\u606f\uff0c\u53ef\u80fd\u4f1a\u6bd4\u8f83\u5927\u3002<\/td>\n<\/tr>\n
        grpc.request.baggage<\/code> <\/td>\nGRPC<\/code>\u5ba2\u6237\u7aef\u8bf7\u6c42\u63d0\u4ea4\u7684Baggage<\/code>\u4fe1\u606f\uff0c\u7528\u4e8e\u670d\u52a1\u95f4\u94fe\u8def\u4fe1\u606f\u4f20\u9012\u3002<\/td>\n<\/tr>\n
        grpc.request.message<\/code> <\/td>\n\n
        GRPC<\/code>\u5ba2\u6237\u7aef\u8bf7\u6c42\u63d0\u4ea4\u7684Message<\/code>\u6570\u636e\uff0c\u53ef\u80fd\u4f1a\u6bd4\u8f83\u5927\uff0c\u6700\u5927\u53ea\u8bb0\u5f55512KB<\/code>\uff0c\u5982\u679c\u8d85\u8fc7\u8be5\u5927\u5c0f\u5219\u5ffd\u7565\u3002\u4ec5\u5bf9Unary<\/code>\u8bf7\u6c42\u7c7b\u578b\u6709\u6548\u3002<\/p>\n<\/td>\n<\/tr>\n
        grpc.response.message<\/code> <\/td>\nGRPC<\/code>\u5ba2\u6237\u7aef\u8bf7\u6c42\u63a5\u6536\u8fd4\u56de\u7684\u7684Message<\/code>\u4fe1\u606f\uff0c\u53ef\u80fd\u4f1a\u6bd4\u8f83\u5927\u3002\u4ec5\u5bf9Unary<\/code>\u8bf7\u6c42\u7c7b\u578b\u6709\u6548\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        GRPC Server <\/h3>\n
        Attributes<\/h4>\n
        <\/p>\n
        \u200bGRPC Server<\/code>\u200b\u7aef\u7684\u200bAttributes<\/code>\u200b\u542b\u4e49\u540c\u200bGRPC Client<\/code>\u200b\uff0c\u5728\u540c\u4e00\u8bf7\u6c42\u4e2d\uff0c\u6253\u5370\u7684\u6570\u636e\u57fa\u672c\u4e00\u81f4\u3002 <\/p>\n
        Events<\/h4>\n
        <\/p>\n
        \u200bGRPC Server<\/code>\u200b\u7aef\u7684\u200bEvents<\/code>\u200b\u4e0e\u200bGRPC Client<\/code>\u200b\u4e0d\u540c\u7684\u662f\uff0c\u5728\u540c\u4e00\u8bf7\u6c42\u4e2d\uff0c\u670d\u52a1\u7aef\u63a5\u6536\u5230\u7684\u200bmetadata<\/code>\u200b\u4e3a\u200bgrpc.metadata.incoming<\/code>\u200b\uff0c\u5176\u4ed6\u540c\u200bGRPC Client<\/code>\u200b\u3002<\/p>\n
        <\/p>\n","protected":false},"excerpt":{"rendered":"
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