Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(446)

Unified Diff: components/password_manager/core/browser/affiliation_fetch_throttler.cc

Issue 2949573002: Move the files related to Android<->Web credentials to a separate folder. (Closed)
Patch Set: Remove includes Created 3 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: components/password_manager/core/browser/affiliation_fetch_throttler.cc
diff --git a/components/password_manager/core/browser/affiliation_fetch_throttler.cc b/components/password_manager/core/browser/affiliation_fetch_throttler.cc
deleted file mode 100644
index cb99eff00fc4db940a50d0da530cb50382d4b870..0000000000000000000000000000000000000000
--- a/components/password_manager/core/browser/affiliation_fetch_throttler.cc
+++ /dev/null
@@ -1,143 +0,0 @@
-// Copyright 2015 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 "components/password_manager/core/browser/affiliation_fetch_throttler.h"
-
-#include <stdint.h>
-
-#include "base/logging.h"
-#include "base/rand_util.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "base/time/tick_clock.h"
-#include "base/time/time.h"
-#include "components/password_manager/core/browser/affiliation_fetch_throttler_delegate.h"
-
-namespace password_manager {
-
-// static
-const net::BackoffEntry::Policy AffiliationFetchThrottler::kBackoffPolicy = {
- // Number of initial errors (in sequence) to ignore before going into
- // exponential backoff.
- 0,
-
- // Initial delay (in ms) once backoff starts.
- 10 * 1000, // 10 seconds
-
- // Factor by which the delay will be multiplied on each subsequent failure.
- 4,
-
- // Fuzzing percentage: 50% will spread delays randomly between 50%--100% of
- // the nominal time.
- .5, // 50%
-
- // Maximum delay (in ms) during exponential backoff.
- 6 * 3600 * 1000, // 6 hours
-
- // Time to keep an entry from being discarded even when it has no
- // significant state, -1 to never discard. (Not applicable.)
- -1,
-
- // False means that initial_delay_ms is the first delay once we start
- // exponential backoff, i.e., there is no delay after subsequent successful
- // requests.
- false,
-};
-
-// static
-const int64_t AffiliationFetchThrottler::kGracePeriodAfterReconnectMs =
- 10 * 1000; // 10 seconds
-
-AffiliationFetchThrottler::AffiliationFetchThrottler(
- AffiliationFetchThrottlerDelegate* delegate,
- const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
- base::TickClock* tick_clock)
- : delegate_(delegate),
- task_runner_(task_runner),
- tick_clock_(tick_clock),
- state_(IDLE),
- has_network_connectivity_(false),
- is_fetch_scheduled_(false),
- exponential_backoff_(new net::BackoffEntry(&kBackoffPolicy, tick_clock_)),
- weak_ptr_factory_(this) {
- DCHECK(delegate);
- // Start observing before querying the current connectivity state, so that if
- // the state changes concurrently in-between, it will not go unnoticed.
- net::NetworkChangeNotifier::AddConnectionTypeObserver(this);
- has_network_connectivity_ = !net::NetworkChangeNotifier::IsOffline();
-}
-
-AffiliationFetchThrottler::~AffiliationFetchThrottler() {
- net::NetworkChangeNotifier::RemoveConnectionTypeObserver(this);
-}
-
-void AffiliationFetchThrottler::SignalNetworkRequestNeeded() {
- if (state_ != IDLE)
- return;
-
- state_ = FETCH_NEEDED;
- if (has_network_connectivity_)
- EnsureCallbackIsScheduled();
-}
-
-void AffiliationFetchThrottler::InformOfNetworkRequestComplete(bool success) {
- DCHECK_EQ(state_, FETCH_IN_FLIGHT);
- state_ = IDLE;
- exponential_backoff_->InformOfRequest(success);
-}
-
-void AffiliationFetchThrottler::EnsureCallbackIsScheduled() {
- DCHECK_EQ(state_, FETCH_NEEDED);
- DCHECK(has_network_connectivity_);
-
- if (is_fetch_scheduled_)
- return;
-
- is_fetch_scheduled_ = true;
- task_runner_->PostDelayedTask(
- FROM_HERE,
- base::Bind(&AffiliationFetchThrottler::OnBackoffDelayExpiredCallback,
- weak_ptr_factory_.GetWeakPtr()),
- exponential_backoff_->GetTimeUntilRelease());
-}
-
-void AffiliationFetchThrottler::OnBackoffDelayExpiredCallback() {
- DCHECK_EQ(state_, FETCH_NEEDED);
- DCHECK(is_fetch_scheduled_);
- is_fetch_scheduled_ = false;
-
- // Do nothing if network connectivity was lost while this callback was in the
- // task queue. The callback will be posted in the OnConnectionTypeChanged
- // handler once again.
- if (!has_network_connectivity_)
- return;
-
- // The release time might have been increased if network connectivity was lost
- // and restored while this callback was in the task queue. If so, reschedule.
- if (exponential_backoff_->ShouldRejectRequest())
- EnsureCallbackIsScheduled();
- else
- state_ = delegate_->OnCanSendNetworkRequest() ? FETCH_IN_FLIGHT : IDLE;
-}
-
-void AffiliationFetchThrottler::OnConnectionTypeChanged(
- net::NetworkChangeNotifier::ConnectionType type) {
- bool old_has_network_connectivity = has_network_connectivity_;
- has_network_connectivity_ =
- (type != net::NetworkChangeNotifier::CONNECTION_NONE);
-
- // Only react when network connectivity has been reestablished.
- if (!has_network_connectivity_ || old_has_network_connectivity)
- return;
-
- double grace_ms = kGracePeriodAfterReconnectMs *
- (1 - base::RandDouble() * kBackoffPolicy.jitter_factor);
- exponential_backoff_->SetCustomReleaseTime(std::max(
- exponential_backoff_->GetReleaseTime(),
- tick_clock_->NowTicks() + base::TimeDelta::FromMillisecondsD(grace_ms)));
-
- if (state_ == FETCH_NEEDED)
- EnsureCallbackIsScheduled();
-}
-
-} // namespace password_manager

Powered by Google App Engine
This is Rietveld 408576698