mirror of https://github.com/grpc/grpc-go.git
76 lines
2.1 KiB
Go
76 lines
2.1 KiB
Go
//go:build linux
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// +build linux
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/*
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*
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* Copyright 2021 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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// Binary client is an example client which dials a server on an abstract unix
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// socket.
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package main
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import (
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"context"
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"flag"
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"fmt"
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"log"
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"time"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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ecpb "google.golang.org/grpc/examples/features/proto/echo"
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)
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var (
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// A dial target of `unix:@abstract-unix-socket` should also work fine for
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// this example because of golang conventions (net.Dial behavior). But we do
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// not recommend this since we explicitly added the `unix-abstract` scheme
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// for cross-language compatibility.
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addr = flag.String("addr", "abstract-unix-socket", "The unix abstract socket address")
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)
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func callUnaryEcho(c ecpb.EchoClient, message string) {
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ctx, cancel := context.WithTimeout(context.Background(), time.Second)
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defer cancel()
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r, err := c.UnaryEcho(ctx, &ecpb.EchoRequest{Message: message})
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if err != nil {
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log.Fatalf("could not greet: %v", err)
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}
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fmt.Println(r.Message)
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}
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func makeRPCs(cc *grpc.ClientConn, n int) {
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hwc := ecpb.NewEchoClient(cc)
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for i := 0; i < n; i++ {
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callUnaryEcho(hwc, "this is examples/unix_abstract")
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}
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}
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func main() {
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flag.Parse()
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sockAddr := fmt.Sprintf("unix-abstract:%v", *addr)
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cc, err := grpc.NewClient(sockAddr, grpc.WithTransportCredentials(insecure.NewCredentials()))
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if err != nil {
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log.Fatalf("grpc.NewClient(%q) failed: %v", sockAddr, err)
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}
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defer cc.Close()
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fmt.Printf("--- calling echo.Echo/UnaryEcho to %s\n", sockAddr)
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makeRPCs(cc, 10)
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fmt.Println()
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}
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