1// 2// Copyright (C) 2010 The Android Open Source Project 3// 4// Licensed under the Apache License, Version 2.0 (the "License"); 5// you may not use this file except in compliance with the License. 6// You may obtain a copy of the License at 7// 8// http://www.apache.org/licenses/LICENSE-2.0 9// 10// Unless required by applicable law or agreed to in writing, software 11// distributed under the License is distributed on an "AS IS" BASIS, 12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13// See the License for the specific language governing permissions and 14// limitations under the License. 15// 16 17#include "update_engine/proxy_resolver.h" 18 19#include <base/bind.h> 20#include <base/location.h> 21 22using brillo::MessageLoop; 23using std::deque; 24using std::string; 25 26namespace chromeos_update_engine { 27 28const char kNoProxy[] = "direct://"; 29 30DirectProxyResolver::~DirectProxyResolver() { 31 if (idle_callback_id_ != MessageLoop::kTaskIdNull) { 32 // The DirectProxyResolver is instantiated as part of the UpdateAttempter 33 // which is also instantiated by default by the FakeSystemState, even when 34 // it is not used. We check the manage_shares_id_ before calling the 35 // MessageLoop::current() since the unit test using a FakeSystemState may 36 // have not define a MessageLoop for the current thread. 37 MessageLoop::current()->CancelTask(idle_callback_id_); 38 idle_callback_id_ = MessageLoop::kTaskIdNull; 39 } 40} 41 42bool DirectProxyResolver::GetProxiesForUrl(const string& url, 43 ProxiesResolvedFn callback, 44 void* data) { 45 idle_callback_id_ = MessageLoop::current()->PostTask( 46 FROM_HERE, 47 base::Bind( 48 &DirectProxyResolver::ReturnCallback, 49 base::Unretained(this), 50 callback, 51 data)); 52 return true; 53} 54 55void DirectProxyResolver::ReturnCallback(ProxiesResolvedFn callback, 56 void* data) { 57 idle_callback_id_ = MessageLoop::kTaskIdNull; 58 59 // Initialize proxy pool with as many proxies as indicated (all identical). 60 deque<string> proxies(num_proxies_, kNoProxy); 61 62 (*callback)(proxies, data); 63} 64 65 66} // namespace chromeos_update_engine 67