2 GoVPN -- simple secure free software virtual private network daemon
3 Copyright (C) 2014-2020 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, version 3 of the License.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
29 RWTimeout = 10 * time.Second
32 // StatsProcessor is assumed to be run in background. It accepts
33 // connection on statsPort, reads anything one send to them and show
34 // information about known peers in serialized JSON format. peers
35 // argument is a reference to the map with references to the peers as
36 // values. Map is used here because of ease of adding and removing
38 func StatsProcessor(statsPort net.Listener, peers *sync.Map) {
42 buf := make([]byte, 2<<8)
44 conn, err = statsPort.Accept()
46 log.Println("Error during accepting connection", err.Error())
49 conn.SetDeadline(time.Now().Add(RWTimeout))
51 conn.Write([]byte("HTTP/1.0 200 OK\r\nContent-Type: application/json\r\n\r\n"))
53 peers.Range(func(_, peerI interface{}) bool {
54 peersList = append(peersList, *peerI.(**Peer))
57 data, err = json.Marshal(peersList)