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kdhly/grpc-grpc-go

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main.go 1.59 KB
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/*
*
* Copyright 2018 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package main
import (
"log"
"os"
"time"
"golang.org/x/net/context"
epb "google.golang.org/genproto/googleapis/rpc/errdetails"
"google.golang.org/grpc"
pb "google.golang.org/grpc/examples/helloworld/helloworld"
"google.golang.org/grpc/status"
)
func main() {
// Set up a connection to the server.
conn, err := grpc.Dial("localhost:50051", grpc.WithInsecure())
if err != nil {
log.Fatalf("did not connect: %v", err)
}
defer func() {
if e := conn.Close(); e != nil {
log.Printf("failed to close connection: %s", e)
}
}()
c := pb.NewGreeterClient(conn)
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
r, err := c.SayHello(ctx, &pb.HelloRequest{Name: "world"})
if err != nil {
s := status.Convert(err)
for _, d := range s.Details() {
switch info := d.(type) {
case *epb.QuotaFailure:
log.Printf("Quota failure: %s", info)
default:
log.Printf("Unexpected type: %s", info)
}
}
os.Exit(1)
}
log.Printf("Greeting: %s", r.Message)
}
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https://gitee.com/kdhly/grpc-grpc-go.git
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kdhly
grpc-grpc-go
grpc-grpc-go
v1.14.0

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