forked from shimingyah/pool
/
main.go
67 lines (59 loc) · 1.95 KB
/
main.go
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// Copyright 2019 shimingyah. All rights reserved.
//
// 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.
// ee the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"context"
"flag"
"fmt"
"github.com/GoTheExtraMile/pool"
"github.com/GoTheExtraMile/pool/example/pb"
"google.golang.org/grpc"
"google.golang.org/grpc/keepalive"
"log"
"time"
)
var addr = flag.String("addr", "127.0.0.1:50000", "the address to connect to")
func main() {
flag.Parse()
p, err := pool.New(*addr, pool.CustomOptions(
grpc.WithInsecure(),
grpc.WithBackoffMaxDelay(pool.BackoffMaxDelay),
grpc.WithInitialWindowSize(pool.InitialWindowSize),
grpc.WithInitialConnWindowSize(pool.InitialConnWindowSize),
grpc.WithDefaultCallOptions(grpc.MaxCallSendMsgSize(pool.MaxSendMsgSize)),
grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(pool.MaxRecvMsgSize)),
grpc.WithKeepaliveParams(keepalive.ClientParameters{
Time: pool.KeepAliveTime,
Timeout: pool.KeepAliveTimeout,
PermitWithoutStream: true,
}),
))
if err != nil {
log.Fatalf("failed to new pool: %v", err)
}
defer p.Close()
conn, err := p.Get()
if err != nil {
log.Fatalf("failed to get conn: %v", err)
}
defer conn.Close()
client := pb.NewEchoClient(conn.Value())
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
res, err := client.Say(ctx, &pb.EchoRequest{Message: []byte("hi")})
if err != nil {
log.Fatalf("unexpected error from Say: %v", err)
}
fmt.Println("rpc response:", res)
}