1 ////////////////////////////////////////////////////////////////////////////
3 // Copyright 2016 Realm Inc.
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
9 // http://www.apache.org/licenses/LICENSE-2.0
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
17 ////////////////////////////////////////////////////////////////////////////
19 #ifndef REALM_OS_NETWORK_REACHABILITY_OBSERVER_HPP
20 #define REALM_OS_NETWORK_REACHABILITY_OBSERVER_HPP
25 #include <realm/util/cf_ptr.hpp>
26 #include <realm/util/optional.hpp>
28 #include "sync/impl/network_reachability.hpp"
30 #if NETWORK_REACHABILITY_AVAILABLE
32 #include "sync/impl/apple/system_configuration.hpp"
37 enum NetworkReachabilityStatus {
43 class NetworkReachabilityObserver {
45 NetworkReachabilityObserver(util::Optional<std::string> hostname,
46 std::function<void (const NetworkReachabilityStatus)> handler);
48 ~NetworkReachabilityObserver();
50 NetworkReachabilityStatus reachability_status() const;
52 bool start_observing();
53 void stop_observing();
56 void reachability_changed();
58 util::CFPtr<SCNetworkReachabilityRef> m_reachability_ref;
59 NetworkReachabilityStatus m_previous_status;
60 dispatch_queue_t m_callback_queue;
61 std::function<void (const NetworkReachabilityStatus)> m_change_handler;
67 #endif // NETWORK_REACHABILITY_AVAILABLE
69 #endif // REALM_OS_NETWORK_REACHABILITY_OBSERVER_HPP