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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| // Package log is is imported from https://github.com/sirupsen/logrus | ||
| package log |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| // Copyright (C) 2022 mieru authors | ||
| // | ||
| // 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/>. | ||
|
|
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| package metrics | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sort" | ||
| "sync" | ||
| "time" | ||
|
|
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| "github.com/enfein/mieru/pkg/log" | ||
| ) | ||
|
|
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| var ticker *time.Ticker | ||
| var logDuration time.Duration | ||
| var done chan struct{} | ||
| var mutex sync.Mutex | ||
|
|
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| func init() { | ||
| logDuration = time.Minute | ||
| done = make(chan struct{}) | ||
| } | ||
|
|
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| // Enable metrics logging with the given time duration. | ||
| func EnableLogging() { | ||
| mutex.Lock() | ||
| defer mutex.Unlock() | ||
| if ticker == nil { | ||
| ticker = time.NewTicker(logDuration) | ||
| go logMetrics() | ||
| log.Infof("enabled metrics logging with duration %v", logDuration) | ||
| } | ||
| } | ||
|
|
||
| // Disable metrics logging. | ||
| func DisableLogging() { | ||
| mutex.Lock() | ||
| defer mutex.Unlock() | ||
| done <- struct{}{} | ||
| if ticker != nil { | ||
| ticker.Stop() | ||
| ticker = nil | ||
| log.Infof("disabled metrics logging") | ||
| } | ||
| } | ||
|
|
||
| // Set the metrics logging time duration. | ||
| func SetLoggingDuration(duration time.Duration) error { | ||
| if duration.Seconds() <= 0 { | ||
| return fmt.Errorf("duration must be a positive number") | ||
| } | ||
| mutex.Lock() | ||
| defer mutex.Unlock() | ||
| logDuration = duration | ||
| return nil | ||
| } | ||
|
|
||
| func logMetrics() { | ||
| for { | ||
| select { | ||
| case <-ticker.C: | ||
| log.Infof("[metrics]") | ||
| list := MetricGroupList{} | ||
| metricMap.Range(func(k, v any) bool { | ||
| group := v.(*MetricGroup) | ||
| if group.IsLoggingEnabled() { | ||
| list = list.Append(group) | ||
| } | ||
| return true | ||
| }) | ||
| sort.Sort(list) | ||
| for _, group := range list { | ||
| log.WithFields(group.NewLogFields()).Infof(group.NewLogMsg()) | ||
| } | ||
| LogUDPPackets() | ||
| LogKCPSegments() | ||
| LogUDPBytes() | ||
| LogKCPBytes() | ||
| LogTCPBytes() | ||
| LogUDPAssociation() | ||
| LogUDPErrors() | ||
| LogTCPErrors() | ||
| LogSocks5Errors() | ||
| case <-done: | ||
| return | ||
| } | ||
| } | ||
| } |
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