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stats_publisher.go
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/
stats_publisher.go
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/*
* Copyright (C) 2020 The "MysteriumNetwork/node" 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 <http://www.gnu.org/licenses/>.
*/
package service
import (
"github.com/mysteriumnetwork/go-openvpn/openvpn/middlewares/server/bytecount"
"github.com/mysteriumnetwork/node/eventbus"
"github.com/mysteriumnetwork/node/session/event"
"github.com/rs/zerolog/log"
)
func newStatsPublisher(clientMap *clientMap, bus eventbus.Publisher, frequencySeconds int) *statsPublisher {
sb := new(statsPublisher)
sb.Middleware = bytecount.NewMiddleware(sb.handleStatsEvent, frequencySeconds)
sb.clientMap = clientMap
sb.bus = bus
return sb
}
type statsPublisher struct {
*bytecount.Middleware
clientMap *clientMap
bus eventbus.Publisher
}
func (sb *statsPublisher) handleStatsEvent(clientStats bytecount.SessionByteCount) {
session, exist := sb.clientMap.GetClientSession(clientStats.ClientID)
if !exist {
log.Warn().Msgf("Stats for unknown session of client %d", clientStats.ClientID)
return
}
sb.bus.Publish(event.AppTopicDataTransferred, event.AppEventDataTransferred{
ID: string(session),
Up: clientStats.BytesOut,
Down: clientStats.BytesIn,
})
}