Introducing websocket support in router and libunit.

src/nxt_websocket.h

@@ -0,0 +1,21 @@
+
+/*
+ * Copyright (C) NGINX, Inc.
+ */
+
+#ifndef _NXT_WEBSOCKET_H_INCLUDED_
+#define _NXT_WEBSOCKET_H_INCLUDED_
+
+
+enum {
+    NXT_WEBSOCKET_ACCEPT_SIZE = 28,
+};
+
+
+NXT_EXPORT size_t nxt_websocket_frame_header_size(const void *data);
+NXT_EXPORT uint64_t nxt_websocket_frame_payload_len(const void *data);
+NXT_EXPORT void *nxt_websocket_frame_init(void *data, uint64_t payload_len);
+NXT_EXPORT void nxt_websocket_accept(u_char *accept, const void *key);
+
+
+#endif  /* _NXT_WEBSOCKET_H_INCLUDED_ */