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// 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/cronet/android/cronet_data_reduction_proxy.h"
#include <utility>
#include "base/command_line.h"
#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "base/single_thread_task_runner.h"
#include "components/cronet/android/cronet_in_memory_pref_store.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_delegate.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_prefs.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_request_options.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_service.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
#include "components/data_reduction_proxy/core/browser/data_store.h"
#include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
#include "components/data_reduction_proxy/core/common/data_reduction_proxy_switches.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/pref_service_factory.h"
#include "net/url_request/url_request_context_getter.h"
#include "net/url_request/url_request_interceptor.h"
namespace cronet {
namespace {
// Name of the preference that governs enabling the Data Reduction Proxy.
const char kDataReductionProxyEnabled[] = "data_reduction_proxy.enabled";
std::unique_ptr<PrefService> CreatePrefService() {
scoped_refptr<PrefRegistrySimple> pref_registry(new PrefRegistrySimple());
pref_registry->RegisterBooleanPref(kDataReductionProxyEnabled, false);
data_reduction_proxy::RegisterSimpleProfilePrefs(pref_registry.get());
PrefServiceFactory pref_service_factory;
pref_service_factory.set_user_prefs(
make_scoped_refptr(new CronetInMemoryPrefStore()));
std::unique_ptr<PrefService> pref_service =
pref_service_factory.Create(pref_registry.get());
pref_registry = nullptr;
return pref_service;
}
// TODO(bengr): Apply test configurations directly, instead of via the
// command line.
void AddOptionsToCommandLine(const std::string& primary_proxy,
const std::string& fallback_proxy,
const std::string& secure_proxy_check_url,
base::CommandLine* command_line) {
DCHECK((primary_proxy.empty() && fallback_proxy.empty() &&
secure_proxy_check_url.empty()) ||
(!primary_proxy.empty() && !fallback_proxy.empty() &&
!secure_proxy_check_url.empty()));
if (primary_proxy.empty())
return;
command_line->AppendSwitchASCII(
data_reduction_proxy::switches::kDataReductionProxy, primary_proxy);
command_line->AppendSwitchASCII(
data_reduction_proxy::switches::kDataReductionProxyFallback,
fallback_proxy);
command_line->AppendSwitchASCII(
data_reduction_proxy::switches::kDataReductionProxySecureProxyCheckURL,
secure_proxy_check_url);
}
} // namespace
CronetDataReductionProxy::CronetDataReductionProxy(
const std::string& key,
const std::string& primary_proxy,
const std::string& fallback_proxy,
const std::string& secure_proxy_check_url,
const std::string& user_agent,
scoped_refptr<base::SingleThreadTaskRunner> task_runner,
net::NetLog* net_log)
: task_runner_(task_runner) {
DCHECK(task_runner_->BelongsToCurrentThread());
AddOptionsToCommandLine(primary_proxy, fallback_proxy, secure_proxy_check_url,
base::CommandLine::ForCurrentProcess());
prefs_ = CreatePrefService();
// In Cronet, the Data Reduction Proxy's UI classes are Created on Cronet's
// network thread.
settings_.reset(
new data_reduction_proxy::DataReductionProxySettings());
io_data_.reset(new data_reduction_proxy::DataReductionProxyIOData(
data_reduction_proxy::Client::CRONET_ANDROID, 0, net_log, task_runner,
task_runner, false, user_agent, std::string()));
io_data_->request_options()->SetKeyOnIO(key);
}
CronetDataReductionProxy::~CronetDataReductionProxy() {
io_data_->ShutdownOnUIThread();
}
std::unique_ptr<net::NetworkDelegate>
CronetDataReductionProxy::CreateNetworkDelegate(
std::unique_ptr<net::NetworkDelegate> wrapped_network_delegate) {
return io_data_->CreateNetworkDelegate(std::move(wrapped_network_delegate),
false /* No bypass UMA */);
}
std::unique_ptr<net::ProxyDelegate>
CronetDataReductionProxy::CreateProxyDelegate() {
return io_data_->CreateProxyDelegate();
}
std::unique_ptr<net::URLRequestInterceptor>
CronetDataReductionProxy::CreateInterceptor() {
return io_data_->CreateInterceptor();
}
void CronetDataReductionProxy::Init(bool enable,
net::URLRequestContext* context) {
url_request_context_getter_ =
new net::TrivialURLRequestContextGetter(
context, task_runner_);
std::unique_ptr<data_reduction_proxy::DataReductionProxyService>
data_reduction_proxy_service(
new data_reduction_proxy::DataReductionProxyService(
settings_.get(), prefs_.get(), url_request_context_getter_.get(),
base::MakeUnique<data_reduction_proxy::DataStore>(), task_runner_,
task_runner_, task_runner_, base::TimeDelta()));
io_data_->SetDataReductionProxyService(
data_reduction_proxy_service->GetWeakPtr());
settings_->InitDataReductionProxySettings(
kDataReductionProxyEnabled, prefs_.get(), io_data_.get(),
std::move(data_reduction_proxy_service));
settings_->SetDataReductionProxyEnabled(enable);
settings_->MaybeActivateDataReductionProxy(true);
}
} // namespace cronet
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