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83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/url_request/url_request_context_getter.h"
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#include "base/debug/leak_annotations.h"
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#include "base/location.h"
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#include "base/single_thread_task_runner.h"
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#include "net/url_request/url_request_context.h"
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#include "net/url_request/url_request_context_getter_observer.h"
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namespace net {
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void URLRequestContextGetter::AddObserver(
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URLRequestContextGetterObserver* observer) {
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DCHECK(GetNetworkTaskRunner()->BelongsToCurrentThread());
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observer_list_.AddObserver(observer);
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}
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void URLRequestContextGetter::RemoveObserver(
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URLRequestContextGetterObserver* observer) {
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DCHECK(GetNetworkTaskRunner()->BelongsToCurrentThread());
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observer_list_.RemoveObserver(observer);
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}
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URLRequestContextGetter::URLRequestContextGetter() = default;
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URLRequestContextGetter::~URLRequestContextGetter() = default;
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void URLRequestContextGetter::OnDestruct() const {
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scoped_refptr<base::SingleThreadTaskRunner> network_task_runner =
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GetNetworkTaskRunner();
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DCHECK(network_task_runner.get());
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if (network_task_runner.get()) {
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if (network_task_runner->BelongsToCurrentThread()) {
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delete this;
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} else {
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if (!network_task_runner->DeleteSoon(FROM_HERE, this)) {
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// Can't force-delete the object here, because some derived classes
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// can only be deleted on the owning thread, so just emit a warning to
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// aid in debugging.
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DLOG(WARNING) << "URLRequestContextGetter leaking due to no owning"
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<< " thread.";
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// Let LSan know we know this is a leak. https://crbug.com/594130
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ANNOTATE_LEAKING_OBJECT_PTR(this);
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}
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}
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}
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// If no IO task runner was available, we will just leak memory.
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// This is also true if the IO thread is gone.
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}
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void URLRequestContextGetter::NotifyContextShuttingDown() {
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DCHECK(GetNetworkTaskRunner()->BelongsToCurrentThread());
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// Once shutdown starts, this must always return NULL.
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DCHECK(!GetURLRequestContext());
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for (auto& observer : observer_list_)
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observer.OnContextShuttingDown();
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}
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TrivialURLRequestContextGetter::TrivialURLRequestContextGetter(
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URLRequestContext* context,
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const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner)
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: context_(context), main_task_runner_(main_task_runner) {
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}
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TrivialURLRequestContextGetter::~TrivialURLRequestContextGetter() = default;
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URLRequestContext* TrivialURLRequestContextGetter::GetURLRequestContext() {
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return context_;
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}
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scoped_refptr<base::SingleThreadTaskRunner>
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TrivialURLRequestContextGetter::GetNetworkTaskRunner() const {
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return main_task_runner_;
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}
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} // namespace net
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