github.com/matrixorigin/matrixone@v1.2.0/pkg/common/morpc/examples/pingpong/main.go (about)

     1  // Copyright 2021 - 2022 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package main
    16  
    17  import (
    18  	"context"
    19  	"os"
    20  	"time"
    21  
    22  	"github.com/matrixorigin/matrixone/pkg/common/morpc"
    23  	"github.com/matrixorigin/matrixone/pkg/common/morpc/examples/message"
    24  	"github.com/matrixorigin/matrixone/pkg/logutil"
    25  )
    26  
    27  var (
    28  	addr = "unix:///tmp/pingpong.sock"
    29  	file = "/tmp/pingpong.sock"
    30  )
    31  
    32  func main() {
    33  	if err := os.RemoveAll(file); err != nil {
    34  		panic(err)
    35  	}
    36  
    37  	if err := startServer(); err != nil {
    38  		panic(err)
    39  	}
    40  
    41  	bf := morpc.NewGoettyBasedBackendFactory(newCodec())
    42  	cli, err := morpc.NewClient("example-rpc", bf, morpc.WithClientMaxBackendPerHost(1))
    43  	if err != nil {
    44  		panic(err)
    45  	}
    46  
    47  	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
    48  	defer cancel()
    49  
    50  	f, err := cli.Send(ctx, addr, &message.ExampleMessage{MsgID: 1, Content: "hello"})
    51  	if err != nil {
    52  		panic(err)
    53  	}
    54  	defer f.Close()
    55  
    56  	resp, err := f.Get()
    57  	if err != nil {
    58  		panic(err)
    59  	}
    60  
    61  	logutil.Infof("%s", resp.DebugString())
    62  }
    63  
    64  func startServer() error {
    65  	s, err := morpc.NewRPCServer("test-unix-server", addr, newCodec())
    66  	if err != nil {
    67  		return err
    68  	}
    69  	s.RegisterRequestHandler(func(ctx context.Context, request morpc.RPCMessage, sequence uint64, cs morpc.ClientSession) error {
    70  		// write request back to client
    71  		return cs.Write(ctx, request.Message)
    72  	})
    73  
    74  	return s.Start()
    75  }
    76  
    77  func newCodec() morpc.Codec {
    78  	return morpc.NewMessageCodec(func() morpc.Message { return &message.ExampleMessage{} })
    79  }