grove/web/connmap.go

package web

/*
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

import (
	"net"
	"sync"
	// "github.com/apache/trafficcontrol/traffic_monitor_golang/common/log"
)

type ConnMap struct {
	conns map[string]net.Conn
	m     sync.Mutex
}

func NewConnMap() *ConnMap {
	return &ConnMap{conns: map[string]net.Conn{}}
}

func (cm *ConnMap) Add(conn net.Conn) {
	// log.Debugf("ConnMap pushing '%v'\n", conn.RemoteAddr().String())
	cm.m.Lock()
	defer cm.m.Unlock()
	cm.conns[conn.RemoteAddr().String()] = conn
}

func (cm *ConnMap) Get(remoteAddr string) (net.Conn, bool) {
	// log.Debugf("ConnMap getting '%v'\n", remoteAddr)
	cm.m.Lock()
	defer cm.m.Unlock()
	conn, ok := cm.conns[remoteAddr]
	return conn, ok
}

func (cm *ConnMap) Remove(remoteAddr string) {
	// log.Debugf("ConnMap removing '%v'\n", remoteAddr)
	cm.m.Lock()
	defer cm.m.Unlock()
	delete(cm.conns, remoteAddr)
}

func (cm *ConnMap) Len() int {
	cm.m.Lock()
	defer cm.m.Unlock()
	return len(cm.conns)
}