36 lines
684 B
Go
36 lines
684 B
Go
package rpc
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import (
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"github.com/mitchellh/packer/packer"
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"net/rpc"
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)
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// An implementation of packer.Ui where the Ui is actually executed
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// over an RPC connection.
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type Ui struct {
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client *rpc.Client
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}
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// UiServer wraps a packer.Ui implementation and makes it exportable
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// as part of a Golang RPC server.
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type UiServer struct {
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ui packer.Ui
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}
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type UiSayArgs struct {
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Format string
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Vars []interface{}
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}
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func (u *Ui) Say(format string, a ...interface{}) {
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args := &UiSayArgs{format, a}
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u.client.Call("Ui.Say", args, new(interface{}))
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}
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func (u *UiServer) Say(args *UiSayArgs, reply *interface{}) error {
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u.ui.Say(args.Format, args.Vars...)
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*reply = nil
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return nil
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}
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