packer-cn/packer/rpc/ui.go

57 lines
1.1 KiB
Go

package rpc
import (
"github.com/mitchellh/packer/packer"
"net/rpc"
)
// An implementation of packer.Ui where the Ui is actually executed
// over an RPC connection.
type Ui struct {
client *rpc.Client
}
// UiServer wraps a packer.Ui implementation and makes it exportable
// as part of a Golang RPC server.
type UiServer struct {
ui packer.Ui
}
func (u *Ui) Error(message string) {
if err := u.client.Call("Ui.Error", message, new(interface{})); err != nil {
panic(err)
}
}
func (u *Ui) Message(message string) {
if err := u.client.Call("Ui.Message", message, new(interface{})); err != nil {
panic(err)
}
}
func (u *Ui) Say(message string) {
if err := u.client.Call("Ui.Say", message, new(interface{})); err != nil {
panic(err)
}
}
func (u *UiServer) Error(message *string, reply *interface{}) error {
u.ui.Error(*message)
*reply = nil
return nil
}
func (u *UiServer) Message(message *string, reply *interface{}) error {
u.ui.Message(*message)
*reply = nil
return nil
}
func (u *UiServer) Say(message *string, reply *interface{}) error {
u.ui.Say(*message)
*reply = nil
return nil
}