blob: 7886f89e8721c55b3e59414b102198981fc3c21c [file] [log] [blame]
// 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.
#include <map>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "components/domain_reliability/beacon.h"
#include "components/domain_reliability/clear_mode.h"
#include "components/domain_reliability/config.h"
#include "components/domain_reliability/context.h"
#include "components/domain_reliability/dispatcher.h"
#include "components/domain_reliability/domain_reliability_export.h"
#include "components/domain_reliability/scheduler.h"
#include "components/domain_reliability/uploader.h"
#include "components/domain_reliability/util.h"
#include "net/base/load_timing_info.h"
#include "net/http/http_response_info.h"
#include "net/url_request/url_request_status.h"
namespace base {
class SingleThreadTaskRunner;
class ThreadChecker;
class Value;
} // namespace base
namespace net {
class URLRequest;
class URLRequestContext;
class URLRequestContextGetter;
} // namespace net
namespace domain_reliability {
// The top-level object that measures requests and hands off the measurements
// to the proper |DomainReliabilityContext|.
class DOMAIN_RELIABILITY_EXPORT DomainReliabilityMonitor {
explicit DomainReliabilityMonitor(const std::string& upload_reporter_string);
DomainReliabilityMonitor(const std::string& upload_reporter_string,
scoped_ptr<MockableTime> time);
// Initializes the Monitor.
void Init(
net::URLRequestContext* url_request_context,
const scoped_refptr<base::SingleThreadTaskRunner>& task_runner);
// Same, but for unittests where the Getter is readily available.
void Init(
scoped_refptr<net::URLRequestContextGetter> url_request_context_getter);
// Populates the monitor with contexts that were configured at compile time.
void AddBakedInConfigs();
// Should be called when |request| is about to follow a redirect. Will
// examine and possibly log the redirect request.
void OnBeforeRedirect(net::URLRequest* request);
// Should be called when |request| is complete. Will examine and possibly
// log the (final) request. (|started| should be true if the request was
// actually started before it was terminated.)
void OnCompleted(net::URLRequest* request, bool started);
// Called to remove browsing data. With CLEAR_BEACONS, leaves contexts in
// place but clears beacons (which betray browsing history); with
// CLEAR_CONTEXTS, removes all contexts (which can behave as cookies).
void ClearBrowsingData(DomainReliabilityClearMode mode);
// Gets a Value containing data that can be formatted into a web page for
// debugging purposes.
scoped_ptr<base::Value> GetWebUIData() const;
DomainReliabilityContext* AddContextForTesting(
scoped_ptr<const DomainReliabilityConfig> config);
size_t contexts_size_for_testing() const { return contexts_.size(); }
friend class DomainReliabilityMonitorTest;
// Allow the Service to call |MakeWeakPtr|.
friend class DomainReliabilityServiceImpl;
typedef std::map<std::string, DomainReliabilityContext*> ContextMap;
explicit RequestInfo(const net::URLRequest& request);
bool AccessedNetwork() const;
GURL url;
net::URLRequestStatus status;
net::HttpResponseInfo response_info;
int load_flags;
net::LoadTimingInfo load_timing_info;
bool is_upload;
// Creates a context, adds it to the monitor, and returns a pointer to it.
// (The pointer is only valid until the Monitor is destroyed.)
DomainReliabilityContext* AddContext(
scoped_ptr<const DomainReliabilityConfig> config);
// Deletes all contexts from |contexts_| and clears the map.
void ClearContexts();
void OnRequestLegComplete(const RequestInfo& info);
DomainReliabilityContext* GetContextForHost(const std::string& host) const;
base::WeakPtr<DomainReliabilityMonitor> MakeWeakPtr();
scoped_ptr<base::ThreadChecker> thread_checker_;
scoped_ptr<MockableTime> time_;
const std::string upload_reporter_string_;
DomainReliabilityScheduler::Params scheduler_params_;
DomainReliabilityDispatcher dispatcher_;
scoped_ptr<DomainReliabilityUploader> uploader_;
ContextMap contexts_;
base::WeakPtrFactory<DomainReliabilityMonitor> weak_factory_;
} // namespace domain_reliability