/
output.go
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/
output.go
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/*
Maddy Mail Server - Composable all-in-one email server.
Copyright © 2019-2020 Max Mazurov <fox.cpp@disroot.org>, Maddy Mail Server contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package log
import (
"time"
)
type Output interface {
Write(stamp time.Time, debug bool, msg string)
Close() error
}
type multiOut struct {
outs []Output
}
func (m multiOut) Write(stamp time.Time, debug bool, msg string) {
for _, out := range m.outs {
out.Write(stamp, debug, msg)
}
}
func (m multiOut) Close() error {
for _, out := range m.outs {
if err := out.Close(); err != nil {
return err
}
}
return nil
}
func MultiOutput(outputs ...Output) Output {
return multiOut{outputs}
}
type funcOut struct {
out func(time.Time, bool, string)
close func() error
}
func (f funcOut) Write(stamp time.Time, debug bool, msg string) {
f.out(stamp, debug, msg)
}
func (f funcOut) Close() error {
return f.close()
}
func FuncOutput(f func(time.Time, bool, string), close func() error) Output {
return funcOut{f, close}
}
type NopOutput struct{}
func (NopOutput) Write(time.Time, bool, string) {}
func (NopOutput) Close() error { return nil }