diff -r 638e7dd1d560 -r 4b54d6f79d25 bmsd/websocket.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bmsd/websocket.h	Mon May 11 17:32:08 2020 +0200
@@ -0,0 +1,31 @@
+/**
+ * @file websocket.h
+ */
+
+#ifndef _WEBSOCKET_H
+#define	_WEBSOCKET_H
+
+
+struct per_session_data__lws_mirror {
+        struct lws *wsi;
+        int ringbuffer_tail;
+};
+
+/**
+ * @brief Broadcast messages to all connected websocket clients.
+ * @param msg The message to send. Messages are placed in a ringbuffer queue.
+ */
+void ws_broadcast(char *msg);
+
+/**
+ * @brief Check if a connection is idle for 45 seconds and if so send a ping like
+ *        message to keep the connection alive. Call this function at regular intervals.
+ */
+void ws_check(void);
+
+/**
+ * @brief The websockets server thread.
+ */
+void *ws_loop(void *);
+
+#endif