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client.go
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client.go
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/*
* Copyright 2021 Layotto 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 (
"context"
"fmt"
"net"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
runtimev1pb "mosn.io/layotto/spec/proto/runtime/v1"
)
const (
protocol = "unix"
sockAddr = "/tmp/client-proxy.sock"
)
func main() {
var (
credentials = insecure.NewCredentials() // No SSL/TLS
dialer = func(ctx context.Context, addr string) (net.Conn, error) {
var d net.Dialer
return d.DialContext(ctx, protocol, addr)
}
grpcoptions = []grpc.DialOption{
grpc.WithTransportCredentials(credentials),
grpc.WithContextDialer(dialer),
}
)
conn, err := grpc.Dial(sockAddr, grpcoptions...)
if err != nil {
panic(err)
}
client := runtimev1pb.NewRuntimeClient(conn)
hello, err := client.SayHello(context.Background(), &runtimev1pb.SayHelloRequest{
ServiceName: "helloworld",
Name: "eva",
})
if err != nil {
panic(err)
}
if hello.Hello != "greeting, eva" {
panic(fmt.Errorf("assertion failed! result is %v", hello.Hello))
}
fmt.Println(hello.Hello)
}