package main
                                                                                                                            
import (
    "errors"
    "github.com/notedit/msgpack-oocrpc/rpc"
)

type Args struct {
    A, B int
}

type Reply struct {
    C int
}

type Arith int

func (t *Arith) Add(args *Args, reply *Reply) error {
    reply.C = args.A + args.B
    return nil
}

func (t *Arith) Mul(args *Args, reply *Reply) error {
    reply.C = args.A * args.B
    return nil
}

func (t *Arith) Div(args *Args, reply *Reply) error {
    if args.B == 0 {
        return rpc.BackendError{"InternalError", "divide by zero"}
    }
    reply.C = args.A / args.B
    return nil
}


func (t *Arith) Error(args *Args, reply *Reply) error {
    panic("ERROR")
}

func (t *Arith) NError(args *Args, reply *Reply) error {
    return errors.New("normalerror")
}

func main() {
    newServer := rpc.NewServer("localhost", 9091)
    newServer.Register(new(Arith))
    newServer.Serv()
}    

package main

import (
    "fmt"
    "github.com/notedit/msgpack-oocrpc/rpc"
)

type Args struct {
    A, B int
}

type Reply struct {
    C int
}

func main() {
    client := rpc.New("localhost:9090")
    // normal test
    args := &Args{7, 8}
    reply := &Reply{}

    err := client.Call("Arith.Mul", args, reply)
    if err != nil {
        fmt.Println(err.Error())
    }

    err = client.Call("Arith.Add", args, reply)
    if err != nil {
        fmt.Println(err.Error())
    }

    // un exist method
    err = client.Call("Arith.Notfound", args, reply)
    if err != nil {
        fmt.Println(err.Error())
    }
    // un exist service
    err = client.Call("Notfound.arith", args, reply)
    if err != nil {
        fmt.Println(err.Error())
    }
    // test error 
    args = &Args{7, 0}
    reply = &Reply{}

    err = client.Call("Arith.Div", args, reply)
    if err != nil {
        fmt.Println(err.Error())
    }

    // test panic
    args = &Args{7, 8}
    reply = &Reply{}

    err = client.Call("Arith.Error", args, reply)
    if err != nil {
        fmt.Println(err.Error())
    }
}