1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 #include "include/assert.h"
5 #include "librbd/managed_lock/Utils.h"
9 namespace managed_lock {
14 const std::string WATCHER_LOCK_COOKIE_PREFIX = "auto";
15 const std::string WATCHER_LOCK_TAG("internal");
17 } // anonymous namespace
19 const std::string &get_watcher_lock_tag() {
20 return WATCHER_LOCK_TAG;
23 bool decode_lock_cookie(const std::string &tag, uint64_t *handle) {
25 std::istringstream ss(tag);
26 if (!(ss >> prefix >> *handle) || prefix != WATCHER_LOCK_COOKIE_PREFIX) {
32 std::string encode_lock_cookie(uint64_t watch_handle) {
33 assert(watch_handle != 0);
34 std::ostringstream ss;
35 ss << WATCHER_LOCK_COOKIE_PREFIX << " " << watch_handle;
40 } // namespace managed_lock