mirror of
https://github.com/drakkan/sftpgo.git
synced 2024-11-22 07:30:25 +00:00
65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
// Copyright (C) 2019-2022 Nicola Murino
|
|
//
|
|
// 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, version 3.
|
|
//
|
|
// 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 <https://www.gnu.org/licenses/>.
|
|
|
|
package common
|
|
|
|
import (
|
|
"sync"
|
|
"sync/atomic"
|
|
|
|
"github.com/drakkan/sftpgo/v2/logger"
|
|
)
|
|
|
|
// clienstMap is a struct containing the map of the connected clients
|
|
type clientsMap struct {
|
|
totalConnections int32
|
|
mu sync.RWMutex
|
|
clients map[string]int
|
|
}
|
|
|
|
func (c *clientsMap) add(source string) {
|
|
atomic.AddInt32(&c.totalConnections, 1)
|
|
|
|
c.mu.Lock()
|
|
defer c.mu.Unlock()
|
|
|
|
c.clients[source]++
|
|
}
|
|
|
|
func (c *clientsMap) remove(source string) {
|
|
c.mu.Lock()
|
|
defer c.mu.Unlock()
|
|
|
|
if val, ok := c.clients[source]; ok {
|
|
atomic.AddInt32(&c.totalConnections, -1)
|
|
c.clients[source]--
|
|
if val > 1 {
|
|
return
|
|
}
|
|
delete(c.clients, source)
|
|
} else {
|
|
logger.Warn(logSender, "", "cannot remove client %v it is not mapped", source)
|
|
}
|
|
}
|
|
|
|
func (c *clientsMap) getTotal() int32 {
|
|
return atomic.LoadInt32(&c.totalConnections)
|
|
}
|
|
|
|
func (c *clientsMap) getTotalFrom(source string) int {
|
|
c.mu.RLock()
|
|
defer c.mu.RUnlock()
|
|
|
|
return c.clients[source]
|
|
}
|