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fix keepAliveTimers not correctly cleared on reconnect

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schlagmichdoch 2023-09-13 17:23:47 +02:00
parent 02911804cb
commit 6679ef7529
1 changed files with 27 additions and 16 deletions
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43
index.js
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@ -130,8 +130,10 @@ class PairDropServer {
this._wss = new WebSocket.Server({ server });
this._wss.on('connection', (socket, request) => this._onConnection(new Peer(socket, request)));
this._rooms = {};
this._roomSecrets = {};
this._rooms = {}; // { roomId: peers[] }
this._roomSecrets = {}; // { pairKey: roomSecret }
this._keepAliveTimers = {};
console.log('PairDrop is running on port', port);
}
@ -139,7 +141,9 @@ class PairDropServer {
_onConnection(peer) {
peer.socket.on('message', message => this._onMessage(peer, message));
peer.socket.onerror = e => console.error(e);
this._keepAlive(peer);
this._send(peer, {
type: 'rtc-config',
config: rtcConfig
@ -170,7 +174,7 @@ class PairDropServer {
this._onDisconnect(sender);
break;
case 'pong':
sender.lastBeat = Date.now();
this._keepAliveTimers[sender.id].lastBeat = Date.now();
break;
case 'join-ip-room':
this._joinRoom(sender);
@ -223,10 +227,15 @@ class PairDropServer {
}
_disconnect(sender) {
this._leaveRoom(sender, 'ip', '', true);
this._leaveAllSecretRooms(sender, true);
this._removeRoomKey(sender.roomKey);
sender.roomKey = null;
this._cancelKeepAlive(sender);
delete this._keepAliveTimers[sender.id];
this._leaveRoom(sender, 'ip', '', true);
this._leaveAllSecretRooms(sender, true);
sender.socket.terminate();
}
@ -465,23 +474,29 @@ class PairDropServer {
_keepAlive(peer) {
this._cancelKeepAlive(peer);
let timeout = 500;
if (!peer.lastBeat) {
peer.lastBeat = Date.now();
let timeout = 1000;
if (!this._keepAliveTimers[peer.id]) {
this._keepAliveTimers[peer.id] = {
timer: 0,
lastBeat: Date.now()
};
}
if (Date.now() - peer.lastBeat > 2 * timeout) {
if (Date.now() - this._keepAliveTimers[peer.id].lastBeat > 2 * timeout) {
// Disconnect peer if unresponsive for 10s
this._disconnect(peer);
return;
}
this._send(peer, { type: 'ping' });
peer.timerId = setTimeout(() => this._keepAlive(peer), timeout);
this._keepAliveTimers[peer.id].timer = setTimeout(() => this._keepAlive(peer), timeout);
}
_cancelKeepAlive(peer) {
if (peer && peer.timerId) {
clearTimeout(peer.timerId);
if (this._keepAliveTimers[peer.id]?.timer) {
clearTimeout(this._keepAliveTimers[peer.id].timer);
}
}
}
@ -506,10 +521,6 @@ class Peer {
// set name
this._setName(request);
// for keepalive
this.timerId = 0;
this.lastBeat = Date.now();
this.roomSecrets = [];
this.roomKey = null;
this.roomKeyRate = 0;