mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-28 08:16:09 +03:00
62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef NET_PROXY_RESOLUTION_POLLING_PROXY_CONFIG_SERVICE_H_
|
|
#define NET_PROXY_RESOLUTION_POLLING_PROXY_CONFIG_SERVICE_H_
|
|
|
|
#include "base/compiler_specific.h"
|
|
#include "base/macros.h"
|
|
#include "base/memory/ref_counted.h"
|
|
#include "base/time/time.h"
|
|
#include "net/base/net_export.h"
|
|
#include "net/proxy_resolution/proxy_config_service.h"
|
|
#include "net/traffic_annotation/network_traffic_annotation.h"
|
|
|
|
namespace net {
|
|
|
|
// PollingProxyConfigService is a base class for creating ProxyConfigService
|
|
// implementations that use polling to notice when settings have change.
|
|
//
|
|
// It runs code to get the current proxy settings on a background worker
|
|
// thread, and notifies registered observers when the value changes.
|
|
class NET_EXPORT_PRIVATE PollingProxyConfigService : public ProxyConfigService {
|
|
public:
|
|
// ProxyConfigService implementation:
|
|
void AddObserver(Observer* observer) override;
|
|
void RemoveObserver(Observer* observer) override;
|
|
ConfigAvailability GetLatestProxyConfig(
|
|
ProxyConfigWithAnnotation* config) override;
|
|
void OnLazyPoll() override;
|
|
|
|
protected:
|
|
// Function for retrieving the current proxy configuration.
|
|
// Implementors must be threadsafe as the function will be invoked from
|
|
// worker threads.
|
|
typedef void (*GetConfigFunction)(NetworkTrafficAnnotationTag,
|
|
ProxyConfigWithAnnotation*);
|
|
|
|
// Creates a polling-based ProxyConfigService which will test for new
|
|
// settings at most every |poll_interval| time by calling |get_config_func|
|
|
// on a worker thread.
|
|
PollingProxyConfigService(
|
|
base::TimeDelta poll_interval,
|
|
GetConfigFunction get_config_func,
|
|
const NetworkTrafficAnnotationTag& traffic_annotation);
|
|
|
|
~PollingProxyConfigService() override;
|
|
|
|
// Polls for changes by posting a task to the worker pool.
|
|
void CheckForChangesNow();
|
|
|
|
private:
|
|
class Core;
|
|
scoped_refptr<Core> core_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(PollingProxyConfigService);
|
|
};
|
|
|
|
} // namespace net
|
|
|
|
#endif // NET_PROXY_RESOLUTION_POLLING_PROXY_CONFIG_SERVICE_H_
|