1 // Copyright 2015 The Weave Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef LIBWEAVE_EXAMPLES_UBUNTU_EVENT_NETWORK_H_ 6 #define LIBWEAVE_EXAMPLES_UBUNTU_EVENT_NETWORK_H_ 7 8 #include <weave/provider/network.h> 9 10 #include <base/memory/weak_ptr.h> 11 12 struct evdns_base; 13 struct bufferevent; 14 15 namespace weave { 16 namespace examples { 17 18 class EventTaskRunner; 19 20 class EventNetworkImpl : public weave::provider::Network { 21 class Deleter { 22 public: 23 void operator()(evdns_base* dns_base); 24 void operator()(bufferevent* bev); 25 }; 26 27 public: 28 explicit EventNetworkImpl(EventTaskRunner* task_runner_); 29 void AddConnectionChangedCallback( 30 const ConnectionChangedCallback& callback) override; 31 State GetConnectionState() const override; 32 void OpenSslSocket(const std::string& host, 33 uint16_t port, 34 const OpenSslSocketCallback& callback) override; 35 SetSimulateOffline(bool value)36 void SetSimulateOffline(bool value) { 37 simulate_offline_ = value; 38 UpdateNetworkState(); 39 } 40 41 private: 42 void UpdateNetworkState(); 43 void UpdateNetworkStateCallback(provider::Network::State state); 44 bool simulate_offline_{false}; 45 EventTaskRunner* task_runner_{nullptr}; 46 std::unique_ptr<evdns_base, Deleter> dns_base_; 47 std::vector<ConnectionChangedCallback> callbacks_; 48 provider::Network::State network_state_{provider::Network::State::kOffline}; 49 std::unique_ptr<bufferevent, Deleter> connectivity_probe_; 50 51 base::WeakPtrFactory<EventNetworkImpl> weak_ptr_factory_{this}; 52 }; 53 54 } // namespace examples 55 } // namespace weave 56 57 #endif // LIBWEAVE_EXAMPLES_UBUNTU_EVENT_NETWORK_H_ 58