feat: add server ping display with peer ping foundation

Adds application-level ping/pong between extension and relay server.
Extension sends PING every 15s, server echoes PONG. Round-trip time
displayed in Status tab (green/yellow/red color-coded).

Server also forwards PING with target peerId and routes PONG back,
enabling future peer-to-peer ping without server restart.
Extension already responds to incoming peer PINGs.

See CHANGELOG.md for details.
This commit is contained in:
KoalaDev
2026-06-09 07:08:14 +02:00
parent 6c6d4dc2a2
commit 3e7afd7592
7 changed files with 151 additions and 5 deletions
+42
View File
@@ -657,6 +657,48 @@ io.on('connection', (socket) => {
}
});
socket.on(EVENTS.PING, (data) => {
if (!checkEventRate(socket.id)) {
socket.disconnect(true);
return;
}
if (!data || typeof data.t !== 'number' || !Number.isFinite(data.t)) return;
if (typeof data.target === 'string' && data.target.length > 0) {
const targetSocketId = peerToSocket.get(data.target);
const senderMapping = socketToRoom.get(socket.id);
if (targetSocketId && senderMapping && data.target !== senderMapping.peerId) {
const targetMapping = socketToRoom.get(targetSocketId);
if (targetMapping && targetMapping.roomId === senderMapping.roomId) {
io.to(targetSocketId).emit(EVENTS.PING, { t: data.t, sender: senderMapping.peerId });
return;
}
}
}
socket.emit(EVENTS.PONG, { t: data.t });
});
socket.on(EVENTS.PONG, (data) => {
if (!checkEventRate(socket.id)) {
socket.disconnect(true);
return;
}
if (!data || typeof data.target !== 'string' || data.target.length === 0) return;
if (typeof data.t !== 'number' || !Number.isFinite(data.t)) return;
const senderMapping = socketToRoom.get(socket.id);
if (!senderMapping || data.target === senderMapping.peerId) return;
const targetSocketId = peerToSocket.get(data.target);
if (!targetSocketId) return;
const targetMapping = socketToRoom.get(targetSocketId);
if (targetMapping && targetMapping.roomId === senderMapping.roomId) {
io.to(targetSocketId).emit(EVENTS.PONG, { t: data.t });
}
});
socket.on('disconnect', () => {
eventCounts.delete(socket.id);
roomListCooldowns.delete(socket.id);