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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/chromeos/remoting_service.h"
#include <memory>
#include <optional>
#include <utility>
#include "base/no_destructor.h"
#include "base/sequence_checker.h"
#include "remoting/host/chromeos/file_session_storage.h"
#include "remoting/host/chromeos/remote_support_host_ash.h"
namespace remoting {
namespace {
class RemotingServiceImpl : public RemotingService {
public:
RemotingServiceImpl();
RemotingServiceImpl(const RemotingServiceImpl&) = delete;
RemotingServiceImpl& operator=(const RemotingServiceImpl&) = delete;
~RemotingServiceImpl() override;
// RemotingService implementation.
RemoteSupportHostAsh& GetSupportHost() override;
void GetReconnectableEnterpriseSessionId(SessionIdCallback callback) override;
FileSessionStorage& GetSessionStorage() { return session_storage_; }
private:
void ReleaseSupportHost();
SEQUENCE_CHECKER(sequence_checker_);
std::unique_ptr<RemoteSupportHostAsh> remote_support_host_
GUARDED_BY_CONTEXT(sequence_checker_);
FileSessionStorage session_storage_ GUARDED_BY_CONTEXT(sequence_checker_);
};
RemotingServiceImpl::RemotingServiceImpl() = default;
RemotingServiceImpl::~RemotingServiceImpl() = default;
RemoteSupportHostAsh& RemotingServiceImpl::GetSupportHost() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!remote_support_host_) {
remote_support_host_ = std::make_unique<RemoteSupportHostAsh>(
base::BindOnce(&RemotingServiceImpl::ReleaseSupportHost,
base::Unretained(this)),
session_storage_);
}
return *remote_support_host_;
}
void RemotingServiceImpl::GetReconnectableEnterpriseSessionId(
SessionIdCallback callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
session_storage_.HasSession( //
base::BindOnce([](bool has_session) {
return has_session ? std::make_optional(kEnterpriseSessionId)
: std::nullopt;
}).Then(std::move(callback)));
}
void RemotingServiceImpl::ReleaseSupportHost() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
remote_support_host_.reset();
}
RemotingServiceImpl& GetInstance() {
static base::NoDestructor<RemotingServiceImpl> instance;
return *instance;
}
} // namespace
RemotingService& RemotingService::Get() {
return GetInstance();
}
// static
void RemotingService::SetSessionStorageDirectoryForTesting(
const base::FilePath& dir) {
GetInstance()
.GetSessionStorage() //
.SetStorageDirectoryForTesting(dir); // IN-TEST
}
} // namespace remoting
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