{"id":44646,"date":"2023-06-22T12:27:04","date_gmt":"2023-10-15T17:27:47","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%ae%a9%e6%88%91%e4%bb%ac%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8%e9%80%82%e5%90%88%e5%88%9d%e5%ad%a6%e8%80%85%e7%9a%84golang-grpc%e3%80%82\/"},"modified":"2024-04-30T10:08:56","modified_gmt":"2024-04-30T02:08:56","slug":"%e8%ae%a9%e6%88%91%e4%bb%ac%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8%e9%80%82%e5%90%88%e5%88%9d%e5%ad%a6%e8%80%85%e7%9a%84golang-grpc%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%ae%a9%e6%88%91%e4%bb%ac%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8%e9%80%82%e5%90%88%e5%88%9d%e5%ad%a6%e8%80%85%e7%9a%84golang-grpc%e3%80%82\/","title":{"rendered":"\u8ba9\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528\u9002\u5408\u521d\u5b66\u8005\u7684Golang gRPC"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u300cgRPC\u662f\u4ec0\u4e48\uff1f\u300d
\n\u300c\u542c\u8bf4\u8fc7gRPC\uff0c\u4f46\u4ece\u672a\u4f7f\u7528\u8fc7\u3002\u300d
\n\u300c\u8981\u5728Golang\/Go\u8bed\u8a00\u4e2d\u4f7f\u7528gRPC\uff0c\u600e\u6837\u505a\u624d\u597d\uff1f\u300d<\/p>\n

\u6211\u5199\u4e0b\u4e86\u9002\u5408\u8fd9\u6837\u7684\u4eba\uff08\u5305\u62ec\u6211\u81ea\u5df1\uff09\u3002
\n\u8ba9\u6211\u4eec\u5728Golang\u4e2d\u5c1d\u8bd5\u4f7f\u7528gRPC\u3002<\/p>\n

\u6211\u53c2\u8003\u4e86\u300cGo\u5feb\u901f\u5165\u95e8\u300d\u3002
\nhttps:\/\/grpc.io\/docs\/quickstart\/go.html<\/p>\n

gRPC\u662f\u4ec0\u4e48<\/h1>\n

gRPC \u662f\u7531 Google \u5f00\u53d1\u7684\u4e00\u79cd\u534f\u8bae\u3002\u5b83\u9ed8\u8ba4\u4f7f\u7528Protocol Buffer\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u4e32\u884c\u5316\uff0c\u4ece\u800c\u5b9e\u73b0\u5feb\u901f\u901a\u4fe1\u7684\u80fd\u529b\u3002<\/p>\n

\u5728gRPC\u4e2d\uff0c\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u50cf\u8c03\u7528\u672c\u5730\u5bf9\u8c61\u4e00\u6837\u76f4\u63a5\u8c03\u7528\u4f4d\u4e8e\u4e0d\u540c\u673a\u5668\u4e0a\u7684\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u7684\u65b9\u6cd5\uff0c\u56e0\u6b64\u53ef\u4ee5\u8f7b\u677e\u521b\u5efa\u5206\u5e03\u5f0f\u5e94\u7528\u7a0b\u5e8f\u548c\u670d\u52a1\u3002<\/p>\n

gRPC\u652f\u6301\u591a\u79cd\u8bed\u8a00\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Go\u3001Python\u6216Ruby\u7684\u5ba2\u6237\u7aef\uff0c\u53ef\u4ee5\u8f7b\u677e\u521b\u5efaJava\u7684gRPC\u670d\u52a1\u5668\u3002<\/p>\n

\"image.png\"<\/div>\n

\u8bd5\u7740\u7528Golang\u8fdb\u884c\u5f00\u53d1<\/h1>\n

Go\u7684\u7248\u672c\u662f\u591a\u5c11\uff1f<\/h2>\n

gRPC \u53ef\u4ee5\u5728 Go \u7684\u7248\u672c 1.6 \u6216\u4ee5\u4e0a\u4e2d\u4f7f\u7528\u3002\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u786e\u8ba4\u7248\u672c\u3002<\/p>\n

$ go version\r\n<\/code><\/pre>\n
\u5b89\u88c5gRPC\u3002<\/h2>\n
\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5gRPC\u3002<\/p>\n
$ go get -u -v google.golang.org\/grpc\r\n<\/code><\/pre>\n
\u5b89\u88c5Protocol Buffers v3<\/h2>\n
\u6839\u636e\u81ea\u5df1\u7684\u73af\u5883\uff0c\u4ece\u8fd9\u91cc\u8fdb\u884c\u4e0b\u8f7d\uff1a
\nhttps:\/\/github.com\/protocolbuffers\/protobuf\/releases<\/p>\n
\u8bf7\u5c06\u5df2\u89e3\u538b\u7684\u76ee\u5f55\u4e2d\u7684\/bin\u6587\u4ef6\u5939\u4e2d\u7684\u53ef\u6267\u884c\u6587\u4ef6\u79fb\u52a8\u5230\u7ecf\u8fc7PATH\u8bbe\u7f6e\u7684\u76ee\u5f55\u4e2d\u3002<\/p>\n
\u6b64\u5916\uff0cMac\u60c5\u51b5\u4e0b\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n
$ brew install protobuf\r\n<\/code><\/pre>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u5b89\u88c5\u7528\u4e8eGolang\u7684protoc\u63d2\u4ef6\u3002<\/p>\n
$ go get -u github.com\/golang\/protobuf\/protoc-gen-go\r\n<\/code><\/pre>\n
\u5982\u679c\u60a8\u5c1a\u672a\u901a\u904eGolang\u7684Path\uff0c\u8acb\u6309\u7167\u4e0b\u8ff0\u65b9\u5f0f\u8a2d\u5b9aPath\u3002<\/p>\n
$ export PATH=$PATH:$GOPATH\/bin\r\n<\/code><\/pre>\n
\u5efa\u9020\u6837\u672c<\/h1>\n
\u6211\u8981\u5207\u6362\u5230\u6837\u672c\u76ee\u5f55\u3002<\/p>\n
$ cd $GOPATH\/src\/google.golang.org\/grpc\/examples\/helloworld\r\n<\/code><\/pre>\n
\u5728gRPC\u4e2d\uff0c\u6211\u4eec\u521b\u5efa.proto\u6587\u4ef6\u3002
\n\u4f7f\u7528protoc\u7f16\u8bd1\u5668\u6765\u6784\u5efa.proto\u6587\u4ef6\uff0c\u5e76\u751f\u6210.pb.go\u6587\u4ef6\u3002
\n(\u203b\u5728\u793a\u4f8b\u4e2d\u5df2\u7ecf\u521b\u5efa\u4e86helloworld.pb.go\u6587\u4ef6\u3002)<\/p>\n
$ protoc -I helloworld\/ helloworld\/helloworld.proto --go_out=plugins=grpc:helloworld\r\n<\/code><\/pre>\n
\u4f60\u597d\u4e16\u754c\u7684\u6267\u884c<\/h1>\n
\u6267\u884c\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\uff0c\u5c1d\u8bd5\u8fd0\u884cHelloWorld\u3002<\/p>\n
$ go run greeter_server\/main.go\r\n<\/code><\/pre>\n
\u6253\u5f00\u53e6\u4e00\u4e2a\u7ec8\u7aef\u5e76\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\u3002<\/p>\n
$ go run greeter_client\/main.go\r\n<\/code><\/pre>\n
\u4f7f\u7528gRPC\uff0c\u6211\u4eec\u80fd\u591f\u6210\u529f\u8fd0\u884c\u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\uff0c\u7ed3\u679c\u663e\u793a”\u6253\u62db\u547c\uff1aHello world”\u3002<\/p>\n
gRPC\u7684\u66f4\u65b0<\/h2>\n
\u6211\u5c1d\u8bd5\u66f4\u65b0 gRPC\u3002\u6211\u5c06 helloworld.proc \u66f4\u65b0\u5982\u4e0b\u6240\u793a\uff1a\u6dfb\u52a0\u4e86 SayHelloAgain\u3002<\/p>\n
\/\/ Copyright 2015 gRPC authors.\r\n\/\/\r\n\/\/ Licensed under the Apache License, Version 2.0 (the \"License\");\r\n\/\/ you may not use this file except in compliance with the License.\r\n\/\/ You may obtain a copy of the License at\r\n\/\/\r\n\/\/     http:\/\/www.apache.org\/licenses\/LICENSE-2.0\r\n\/\/\r\n\/\/ Unless required by applicable law or agreed to in writing, software\r\n\/\/ distributed under the License is distributed on an \"AS IS\" BASIS,\r\n\/\/ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n\/\/ See the License for the specific language governing permissions and\r\n\/\/ limitations under the License.\r\n\r\nsyntax = \"proto3\";\r\n\r\noption java_multiple_files = true;\r\noption java_package = \"io.grpc.examples.helloworld\";\r\noption java_outer_classname = \"HelloWorldProto\";\r\n\r\npackage helloworld;\r\n\r\n\/\/ The greeting service definition.\r\nservice Greeter {\r\n  \/\/ Sends a greeting\r\n  rpc SayHello (HelloRequest) returns (HelloReply) {}\r\n  \/\/ Sends another greeting\r\n  rpc SayHelloAgain (HelloRequest) returns (HelloReply) {}\r\n}\r\n\r\n\/\/ The request message containing the user's name.\r\nmessage HelloRequest {\r\n  string name = 1;\r\n}\r\n\r\n\/\/ The response message containing the greetings\r\nmessage HelloReply {\r\n  string message = 1;\r\n}\r\n<\/code><\/pre>\n
\u4f7f\u7528protoc\u7f16\u8bd1\u5668\uff0c\u6784\u5efa.proto\u6587\u4ef6\uff0c\u5e76\u751f\u6210.pb.go\u6587\u4ef6\u3002<\/p>\n
$ protoc -I helloworld\/ helloworld\/helloworld.proto --go_out=plugins=grpc:helloworld\r\n<\/code><\/pre>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u66f4\u65b0greeter_server\/main.go\u6587\u4ef6\u3002<\/p>\n
func<\/span> (<\/span>s<\/span> *<\/span>server<\/span>)<\/span> SayHelloAgain<\/span>(<\/span>ctx<\/span> context<\/span>.<\/span>Context<\/span>,<\/span> in<\/span> *<\/span>pb<\/span>.<\/span>HelloRequest<\/span>)<\/span> (<\/span>*<\/span>pb<\/span>.<\/span>HelloReply<\/span>,<\/span> error<\/span>)<\/span> {<\/span>\r\n    return<\/span> &<\/span>pb<\/span>.<\/span>HelloReply<\/span>{<\/span>Message<\/span>:<\/span> \"Hello again \"<\/span> +<\/span> in<\/span>.<\/span>Name<\/span>},<\/span> nil<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6dfb\u52a0\u540e\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
\/*\r\n *\r\n * Copyright 2015 gRPC authors.\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *     http:\/\/www.apache.org\/licenses\/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n *\r\n *\/<\/span>\r\n\r\n\/\/go:generate protoc -I ..\/helloworld --go_out=plugins=grpc:..\/helloworld ..\/helloworld\/helloworld.proto<\/span>\r\n\r\n\/\/ Package main implements a server for Greeter service.<\/span>\r\npackage<\/span> main<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"context\"<\/span>\r\n    \"log\"<\/span>\r\n    \"net\"<\/span>\r\n\r\n    \"google.golang.org\/grpc\"<\/span>\r\n    pb<\/span> \"google.golang.org\/grpc\/examples\/helloworld\/helloworld\"<\/span>\r\n)<\/span>\r\n\r\nconst<\/span> (<\/span>\r\n    port<\/span> =<\/span> \":50051\"<\/span>\r\n)<\/span>\r\n\r\n\/\/ server is used to implement helloworld.GreeterServer.<\/span>\r\ntype<\/span> server<\/span> struct<\/span>{}<\/span>\r\n\r\n\/\/ SayHello implements helloworld.GreeterServer<\/span>\r\nfunc<\/span> (<\/span>s<\/span> *<\/span>server<\/span>)<\/span> SayHello<\/span>(<\/span>ctx<\/span> context<\/span>.<\/span>Context<\/span>,<\/span> in<\/span> *<\/span>pb<\/span>.<\/span>HelloRequest<\/span>)<\/span> (<\/span>*<\/span>pb<\/span>.<\/span>HelloReply<\/span>,<\/span> error<\/span>)<\/span> {<\/span>\r\n    log<\/span>.<\/span>Printf<\/span>(<\/span>\"Received: %v\"<\/span>,<\/span> in<\/span>.<\/span>Name<\/span>)<\/span>\r\n    return<\/span> &<\/span>pb<\/span>.<\/span>HelloReply<\/span>{<\/span>Message<\/span>:<\/span> \"Hello \"<\/span> +<\/span> in<\/span>.<\/span>Name<\/span>},<\/span> nil<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>s<\/span> *<\/span>server<\/span>)<\/span> SayHelloAgain<\/span>(<\/span>ctx<\/span> context<\/span>.<\/span>Context<\/span>,<\/span> in<\/span> *<\/span>pb<\/span>.<\/span>HelloRequest<\/span>)<\/span> (<\/span>*<\/span>pb<\/span>.<\/span>HelloReply<\/span>,<\/span> error<\/span>)<\/span> {<\/span>\r\n    return<\/span> &<\/span>pb<\/span>.<\/span>HelloReply<\/span>{<\/span>Message<\/span>:<\/span> \"Hello again \"<\/span> +<\/span> in<\/span>.<\/span>Name<\/span>},<\/span> nil<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> main<\/span>()<\/span> {<\/span>\r\n    lis<\/span>,<\/span> err<\/span> :=<\/span> net<\/span>.<\/span>Listen<\/span>(<\/span>\"tcp\"<\/span>,<\/span> port<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        log<\/span>.<\/span>Fatalf<\/span>(<\/span>\"failed to listen: %v\"<\/span>,<\/span> err<\/span>)<\/span>\r\n    }<\/span>\r\n    s<\/span> :=<\/span> grpc<\/span>.<\/span>NewServer<\/span>()<\/span>\r\n    pb<\/span>.<\/span>RegisterGreeterServer<\/span>(<\/span>s<\/span>,<\/span> &<\/span>server<\/span>{})<\/span>\r\n    if<\/span> err<\/span> :=<\/span> s<\/span>.<\/span>Serve<\/span>(<\/span>lis<\/span>);<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        log<\/span>.<\/span>Fatalf<\/span>(<\/span>\"failed to serve: %v\"<\/span>,<\/span> err<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u66f4\u65b0greeter_client\/main.go\u6587\u4ef6\u3002<\/p>\n
    r<\/span>,<\/span> err<\/span> =<\/span> c<\/span>.<\/span>SayHelloAgain<\/span>(<\/span>ctx<\/span>,<\/span> &<\/span>pb<\/span>.<\/span>HelloRequest<\/span>{<\/span>Name<\/span>:<\/span> name<\/span>})<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n            log<\/span>.<\/span>Fatalf<\/span>(<\/span>\"could not greet: %v\"<\/span>,<\/span> err<\/span>)<\/span>\r\n    }<\/span>\r\n    log<\/span>.<\/span>Printf<\/span>(<\/span>\"Greeting: %s\"<\/span>,<\/span> r<\/span>.<\/span>Message<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u6dfb\u52a0\u4e0a\u8ff0\u5185\u5bb9\u540e\uff0c\u4f1a\u53d8\u6210\u5982\u4e0b\uff1a<\/p>\n
\/*\r\n *\r\n * Copyright 2015 gRPC authors.\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *     http:\/\/www.apache.org\/licenses\/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n *\r\n *\/<\/span>\r\n\r\n\/\/ Package main implements a client for Greeter service.<\/span>\r\npackage<\/span> main<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"context\"<\/span>\r\n    \"log\"<\/span>\r\n    \"os\"<\/span>\r\n    \"time\"<\/span>\r\n\r\n    \"google.golang.org\/grpc\"<\/span>\r\n    pb<\/span> \"google.golang.org\/grpc\/examples\/helloworld\/helloworld\"<\/span>\r\n)<\/span>\r\n\r\nconst<\/span> (<\/span>\r\n    address<\/span>     =<\/span> \"localhost:50051\"<\/span>\r\n    defaultName<\/span> =<\/span> \"world\"<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> main<\/span>()<\/span> {<\/span>\r\n    \/\/ Set up a connection to the server.<\/span>\r\n    conn<\/span>,<\/span> err<\/span> :=<\/span> grpc<\/span>.<\/span>Dial<\/span>(<\/span>address<\/span>,<\/span> grpc<\/span>.<\/span>WithInsecure<\/span>())<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        log<\/span>.<\/span>Fatalf<\/span>(<\/span>\"did not connect: %v\"<\/span>,<\/span> err<\/span>)<\/span>\r\n    }<\/span>\r\n    defer<\/span> conn<\/span>.<\/span>Close<\/span>()<\/span>\r\n    c<\/span> :=<\/span> pb<\/span>.<\/span>NewGreeterClient<\/span>(<\/span>conn<\/span>)<\/span>\r\n\r\n    \/\/ Contact the server and print out its response.<\/span>\r\n    name<\/span> :=<\/span> defaultName<\/span>\r\n    if<\/span> len<\/span>(<\/span>os<\/span>.<\/span>Args<\/span>)<\/span> ><\/span> 1<\/span> {<\/span>\r\n        name<\/span> =<\/span> os<\/span>.<\/span>Args<\/span>[<\/span>1<\/span>]<\/span>\r\n    }<\/span>\r\n    ctx<\/span>,<\/span> cancel<\/span> :=<\/span> context<\/span>.<\/span>WithTimeout<\/span>(<\/span>context<\/span>.<\/span>Background<\/span>(),<\/span> time<\/span>.<\/span>Second<\/span>)<\/span>\r\n    defer<\/span> cancel<\/span>()<\/span>\r\n    r<\/span>,<\/span> err<\/span> :=<\/span> c<\/span>.<\/span>SayHello<\/span>(<\/span>ctx<\/span>,<\/span> &<\/span>pb<\/span>.<\/span>HelloRequest<\/span>{<\/span>Name<\/span>:<\/span> name<\/span>})<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        log<\/span>.<\/span>Fatalf<\/span>(<\/span>\"could not greet: %v\"<\/span>,<\/span> err<\/span>)<\/span>\r\n    }<\/span>\r\n    log<\/span>.<\/span>Printf<\/span>(<\/span>\"Greeting: %s\"<\/span>,<\/span> r<\/span>.<\/span>Message<\/span>)<\/span>\r\n    r<\/span>,<\/span> err<\/span> =<\/span> c<\/span>.<\/span>SayHelloAgain<\/span>(<\/span>ctx<\/span>,<\/span> &<\/span>pb<\/span>.<\/span>HelloRequest<\/span>{<\/span>Name<\/span>:<\/span> name<\/span>})<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n            log<\/span>.<\/span>Fatalf<\/span>(<\/span>\"could not greet: %v\"<\/span>,<\/span> err<\/span>)<\/span>\r\n    }<\/span>\r\n    log<\/span>.<\/span>Printf<\/span>(<\/span>\"Greeting: %s\"<\/span>,<\/span> r<\/span>.<\/span>Message<\/span>)<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8ba9\u6211\u4eec\u50cf\u4e0a\u9762\u90a3\u6837\u8fd0\u884c\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\uff0c\u5e76\u6267\u884c HelloWorld\u3002<\/p>\n
$ go run greeter_server\/main.go\r\n<\/code><\/pre>\n
\u6253\u5f00\u53e6\u4e00\u4e2a\u7ec8\u7aef\uff0c\u5e76\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\u3002<\/p>\n
$ go run greeter_client\/main.go\r\n<\/code><\/pre>\n
\u7136\u540e\uff0c\u4f1a\u663e\u793a\u4ee5\u4e0b\u5185\u5bb9\uff1a
\n\u6253\u62db\u547c\uff1a\u4f60\u597d\uff0c\u4e16\u754c
\n\u518d\u6b21\u6253\u62db\u547c\uff1a\u4f60\u597d\uff0c\u518d\u6b21\u4e16\u754c<\/p>\n
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