67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
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//
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// Copyright (C) 2010 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "update_engine/common/proxy_resolver.h"
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#include <base/bind.h>
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#include <base/location.h>
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using brillo::MessageLoop;
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using std::deque;
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using std::string;
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namespace chromeos_update_engine {
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const char kNoProxy[] = "direct://";
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const ProxyRequestId kProxyRequestIdNull = brillo::MessageLoop::kTaskIdNull;
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DirectProxyResolver::~DirectProxyResolver() {
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if (idle_callback_id_ != MessageLoop::kTaskIdNull) {
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// The DirectProxyResolver is instantiated as part of the UpdateAttempter
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// which is also instantiated by default by the FakeSystemState, even when
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// it is not used. We check the manage_shares_id_ before calling the
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// MessageLoop::current() since the unit test using a FakeSystemState may
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// have not define a MessageLoop for the current thread.
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MessageLoop::current()->CancelTask(idle_callback_id_);
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idle_callback_id_ = MessageLoop::kTaskIdNull;
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}
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}
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ProxyRequestId DirectProxyResolver::GetProxiesForUrl(
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const string& url, const ProxiesResolvedFn& callback) {
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idle_callback_id_ = MessageLoop::current()->PostTask(
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FROM_HERE,
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base::Bind(&DirectProxyResolver::ReturnCallback,
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base::Unretained(this),
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callback));
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return idle_callback_id_;
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}
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bool DirectProxyResolver::CancelProxyRequest(ProxyRequestId request) {
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return MessageLoop::current()->CancelTask(request);
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}
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void DirectProxyResolver::ReturnCallback(const ProxiesResolvedFn& callback) {
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idle_callback_id_ = MessageLoop::kTaskIdNull;
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// Initialize proxy pool with as many proxies as indicated (all identical).
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deque<string> proxies(num_proxies_, kNoProxy);
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callback.Run(proxies);
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}
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} // namespace chromeos_update_engine
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