nextcloud-spreed-signaling/cmd/client/stats.go

97 lines
2.9 KiB
Go

/**
* Standalone signaling server for the Nextcloud Spreed app.
* Copyright (C) 2025 struktur AG
*
* @author Joachim Bauch <bauch@struktur.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"log"
"sync/atomic"
"time"
"github.com/strukturag/nextcloud-spreed-signaling/v2/api"
)
type Stats struct {
numRecvMessages atomic.Int64
numSentMessages atomic.Int64
resetRecvMessages int64
resetSentMessages int64
numRecvBytes atomic.Uint64
numSentBytes atomic.Uint64
resetRecvBytes uint64
resetSentBytes uint64
start time.Time
}
func (s *Stats) reset(start time.Time) {
s.resetRecvMessages = s.numRecvMessages.Load()
s.resetSentMessages = s.numSentMessages.Load()
s.resetRecvBytes = s.numRecvBytes.Load()
s.resetSentBytes = s.numSentBytes.Load()
s.start = start
}
type statsLogEntries struct {
totalSentMessages int64
sentMessagesPerSec int64
sentBytesPerSec api.Bandwidth
totalRecvMessages int64
recvMessagesPerSec int64
recvBytesPerSec api.Bandwidth
}
func (s *Stats) getLogEntries(now time.Time) *statsLogEntries {
duration := now.Sub(s.start)
perSec := int64(duration / time.Second)
if perSec == 0 {
return nil
}
totalSentMessages := s.numSentMessages.Load()
sentMessages := totalSentMessages - s.resetSentMessages
sentBytes := api.BandwidthFromBytes(s.numSentBytes.Load() - s.resetSentBytes)
totalRecvMessages := s.numRecvMessages.Load()
recvMessages := totalRecvMessages - s.resetRecvMessages
recvBytes := api.BandwidthFromBytes(s.numRecvBytes.Load() - s.resetRecvBytes)
s.reset(now)
return &statsLogEntries{
totalSentMessages: totalSentMessages,
sentMessagesPerSec: sentMessages / perSec,
sentBytesPerSec: sentBytes,
totalRecvMessages: totalRecvMessages,
recvMessagesPerSec: recvMessages / perSec,
recvBytesPerSec: recvBytes,
}
}
func (s *Stats) Log() {
now := time.Now()
if entries := s.getLogEntries(now); entries != nil {
log.Printf("Stats: sent=%d (%d/sec, %s), recv=%d (%d/sec, %s), delta=%d",
entries.totalSentMessages, entries.sentMessagesPerSec, entries.sentBytesPerSec,
entries.totalRecvMessages, entries.recvMessagesPerSec, entries.recvBytesPerSec,
entries.totalSentMessages-entries.totalRecvMessages)
}
}