Example implementation of a gRPC Tinode client in Go

tinode-cli.go

package main

import (
	"context"
	"log"

	"github.com/tinode/chat/pbx"
	"google.golang.org/grpc"
)

func main() {
	conn, err := grpc.Dial("localhost:6061", grpc.WithInsecure())
	if err != nil {
		log.Fatal("Error dialing", err)
	}

	c := pbx.NewNodeClient(conn)
	response, err := c.MessageLoop(context.Background())

	if err != nil {
		log.Fatal("Error calling", err)
	}

	hi := &pbx.ClientHi{}
	hi.Id = "1"
	hi.UserAgent = "Golang_Spider_Bot/3.0"
	hi.Ver = "0.15"
	hi.Lang = "EN"

	msgHi := &pbx.ClientMsg_Hi{hi}
	clientMessage := &pbx.ClientMsg{Message: msgHi}
	err = response.Send(clientMessage)

	if err != nil {
		log.Fatal("error sending message ", err)
	}

	login := &pbx.ClientLogin{}
	login.Id = "112121"
	login.Scheme = "basic"
	login.Secret = []byte("secret")
	clMsg := &pbx.ClientMsg_Login{login}
	clientMessage = &pbx.ClientMsg{Message: clMsg}
	err = response.Send(clientMessage)

	if err != nil {
		log.Fatal("error sending message ", err)
	}

	serverMsg, err := response.Recv()
	if err != nil {
		log.Fatal(err)
	}
	log.Println(serverMsg)

	serverMsg, err = response.Recv()
	if err != nil {
		log.Fatal(err)
	}
	log.Println(serverMsg)
}