maddy

 1/*
 2Maddy Mail Server - Composable all-in-one email server.
 3Copyright © 2019-2020 Max Mazurov <fox.cpp@disroot.org>, Maddy Mail Server contributors
 4
 5This program is free software: you can redistribute it and/or modify
 6it under the terms of the GNU General Public License as published by
 7the Free Software Foundation, either version 3 of the License, or
 8(at your option) any later version.
 9
10This program is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with this program.  If not, see <https://www.gnu.org/licenses/>.
17*/
18
19package msgpipeline
20
21import (
22	"fmt"
23
24	"github.com/foxcpp/maddy/framework/module"
25)
26
27// objectName returns a new that is usable to identify the used external
28// component (module or some stub) in debug logs.
29func objectName(x interface{}) string {
30	mod, ok := x.(module.Module)
31	if ok {
32		return mod.Name() + ":" + mod.InstanceName()
33	}
34
35	_, pipeline := x.(*MsgPipeline)
36	if pipeline {
37		return "reroute"
38	}
39
40	str, ok := x.(fmt.Stringer)
41	if ok {
42		return str.String()
43	}
44
45	return fmt.Sprintf("%T", x)
46}