1 files changed, 11 insertions, 0 deletions
diff --git a/src/gateway/util/Heartbeat.ts b/src/gateway/util/Heartbeat.ts
new file mode 100644
index 00000000..f6871cfe
--- /dev/null
+++ b/src/gateway/util/Heartbeat.ts
@@ -0,0 +1,11 @@
+import { CLOSECODES } from "./Constants";
+import { WebSocket } from "./WebSocket";
+
+// TODO: make heartbeat timeout configurable
+export function setHeartbeat(socket: WebSocket) {
+	if (socket.heartbeatTimeout) clearTimeout(socket.heartbeatTimeout);
+
+	socket.heartbeatTimeout = setTimeout(() => {
+		return socket.close(CLOSECODES.Session_timed_out);
+	}, 1000 * 45);
+}