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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SERVICES_NETWORK_WEB_BUNDLE_WEB_BUNDLE_MANAGER_H_
#define SERVICES_NETWORK_WEB_BUNDLE_WEB_BUNDLE_MANAGER_H_
#include <map>
#include <optional>
#include "base/component_export.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/unguessable_token.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "services/network/public/cpp/cross_origin_embedder_policy.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/mojom/network_context.mojom-forward.h"
#include "services/network/public/mojom/url_loader.mojom.h"
#include "services/network/web_bundle/web_bundle_url_loader_factory.h"
namespace network {
// WebBundleManager manages the lifetime of a WebBundleURLLoaderFactory object,
// which is created for each WebBundle. And also manages the quota of memory
// usage.
class COMPONENT_EXPORT(NETWORK_SERVICE) WebBundleManager {
public:
WebBundleManager();
~WebBundleManager();
WebBundleManager(const WebBundleManager&) = delete;
WebBundleManager& operator=(const WebBundleManager&) = delete;
base::WeakPtr<WebBundleURLLoaderFactory> CreateWebBundleURLLoaderFactory(
const GURL& bundle_url,
const ResourceRequest::WebBundleTokenParams& params,
int32_t process_id,
const CrossOriginEmbedderPolicy& cross_origin_embedder_policy,
mojom::CrossOriginEmbedderPolicyReporter* coep_reporter);
void StartSubresourceRequest(
mojo::PendingReceiver<mojom::URLLoader> receiver,
const ResourceRequest& url_request,
mojo::PendingRemote<mojom::URLLoaderClient> client,
int32_t process_id,
mojo::Remote<mojom::TrustedHeaderClient> trusted_header_client);
private:
friend class WebBundleManagerTest;
class MemoryQuotaConsumer;
// Key is a tuple of (Process id, WebBundle token)
using Key = std::pair<int32_t, base::UnguessableToken>;
static Key GetKey(const ResourceRequest::WebBundleTokenParams& token_params,
int32_t process_id);
base::WeakPtr<WebBundleURLLoaderFactory> GetWebBundleURLLoaderFactory(
const Key& key);
void DisconnectHandler(Key key);
bool AllocateMemoryForProcess(int32_t process_id, uint64_t num_bytes);
void ReleaseMemoryForProcess(int32_t process_id, uint64_t num_bytes);
void set_max_memory_per_process_for_testing(uint64_t max_memory_per_process) {
max_memory_per_process_ = max_memory_per_process;
}
void CleanUpWillBeDeletedURLLoader(
Key key,
WebBundleURLLoaderFactory::URLLoader* will_be_deleted_url_loader);
bool IsPendingLoadersEmptyForTesting(Key key) const {
return pending_loaders_.find(key) == pending_loaders_.end();
}
std::map<Key, std::unique_ptr<WebBundleURLLoaderFactory>> factories_;
// Pending subresource loaders for each key, which should be processed when
// a request for the bundle arrives later.
std::map<Key,
std::vector<base::WeakPtr<WebBundleURLLoaderFactory::URLLoader>>>
pending_loaders_;
uint64_t max_memory_per_process_;
std::map<int32_t, uint64_t> memory_usage_per_process_;
std::map<int32_t, uint64_t> max_memory_usage_per_process_;
SEQUENCE_CHECKER(sequence_checker_);
base::WeakPtrFactory<WebBundleManager> weak_ptr_factory_{this};
};
} // namespace network
#endif // SERVICES_NETWORK_WEB_BUNDLE_WEB_BUNDLE_MANAGER_H_
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