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// Copyright 2014 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 CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_CONTROLLER_H_
#define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_CONTROLLER_H_
#include <set>
#include <string>
#include <vector>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/thread_checker.h"
#include "base/timer/timer.h"
class DevToolsNetworkConditions;
class DevToolsNetworkTransaction;
class GURL;
class Profile;
namespace base {
class TimeDelta;
class TimeTicks;
}
namespace content {
class ResourceContext;
}
namespace net {
struct HttpRequestInfo;
}
namespace test {
class DevToolsNetworkControllerHelper;
}
// DevToolsNetworkController tracks DevToolsNetworkTransactions.
class DevToolsNetworkController {
public:
DevToolsNetworkController();
virtual ~DevToolsNetworkController();
void AddTransaction(DevToolsNetworkTransaction* transaction);
void RemoveTransaction(DevToolsNetworkTransaction* transaction);
// Applies network emulation configuration.
void SetNetworkState(
const scoped_refptr<DevToolsNetworkConditions> conditions);
bool ShouldFail(const net::HttpRequestInfo* request);
bool ShouldThrottle(const net::HttpRequestInfo* request);
void ThrottleTransaction(DevToolsNetworkTransaction* transaction);
protected:
friend class test::DevToolsNetworkControllerHelper;
private:
// Controller must be constructed on IO thread.
base::ThreadChecker thread_checker_;
typedef scoped_refptr<DevToolsNetworkConditions> Conditions;
void SetNetworkStateOnIO(const Conditions conditions);
typedef std::set<DevToolsNetworkTransaction*> Transactions;
Transactions transactions_;
Conditions conditions_;
void UpdateThrottles();
void ArmTimer();
void OnTimer();
std::vector<DevToolsNetworkTransaction*> throttled_transactions_;
base::OneShotTimer<DevToolsNetworkController> timer_;
base::TimeTicks offset_;
base::TimeDelta tick_length_;
uint64_t last_tick_;
base::WeakPtrFactory<DevToolsNetworkController> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(DevToolsNetworkController);
};
#endif // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_CONTROLLER_H_
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