sftpgo-mirror/internal/common/clientsmap.go
Nicola Murino 784b7585c1
remove end year from Copyright notice in files
so we don't have to update all the files every year

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
2024-01-01 11:31:45 +01:00

65 lines
1.5 KiB
Go

// Copyright (C) 2019 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/internal/logger"
)
// clienstMap is a struct containing the map of the connected clients
type clientsMap struct {
totalConnections atomic.Int32
mu sync.RWMutex
clients map[string]int
}
func (c *clientsMap) add(source string) {
c.totalConnections.Add(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 {
c.totalConnections.Add(-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 c.totalConnections.Load()
}
func (c *clientsMap) getTotalFrom(source string) int {
c.mu.RLock()
defer c.mu.RUnlock()
return c.clients[source]
}