mirror of https://github.com/grpc/grpc-go.git
63 lines
1.9 KiB
Go
63 lines
1.9 KiB
Go
/*
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
// Binary client demonstrates how to specify compression options when performing
|
|
// RPCs.
|
|
package main
|
|
|
|
import (
|
|
"context"
|
|
"flag"
|
|
"fmt"
|
|
"log"
|
|
"time"
|
|
|
|
"google.golang.org/grpc"
|
|
"google.golang.org/grpc/credentials/insecure"
|
|
"google.golang.org/grpc/encoding/gzip" // Install the gzip compressor
|
|
pb "google.golang.org/grpc/examples/features/proto/echo"
|
|
)
|
|
|
|
var addr = flag.String("addr", "localhost:50051", "the address to connect to")
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
|
|
// Set up a connection to the server.
|
|
conn, err := grpc.NewClient(*addr, grpc.WithTransportCredentials(insecure.NewCredentials()))
|
|
if err != nil {
|
|
log.Fatalf("did not connect: %v", err)
|
|
}
|
|
defer conn.Close()
|
|
|
|
c := pb.NewEchoClient(conn)
|
|
|
|
// Send the RPC compressed. If all RPCs on a client should be sent this
|
|
// way, use the DialOption:
|
|
// grpc.WithDefaultCallOptions(grpc.UseCompressor(gzip.Name))
|
|
const msg = "compress"
|
|
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
|
|
defer cancel()
|
|
res, err := c.UnaryEcho(ctx, &pb.EchoRequest{Message: msg}, grpc.UseCompressor(gzip.Name))
|
|
fmt.Printf("UnaryEcho call returned %q, %v\n", res.GetMessage(), err)
|
|
if err != nil || res.GetMessage() != msg {
|
|
log.Fatalf("Message=%q, err=%v; want Message=%q, err=<nil>", res.GetMessage(), err, msg)
|
|
}
|
|
|
|
}
|