Files
nearby/cpp/core/internal/encryption_runner.h
T
Alexey Polyudov de31c27947 Initial public release of nearby library
Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I85d490e448375aa4eb7b09680757c02fff1420b4
2020-05-04 13:16:51 -07:00

88 lines
3.0 KiB
C++

// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef CORE_INTERNAL_ENCRYPTION_RUNNER_H_
#define CORE_INTERNAL_ENCRYPTION_RUNNER_H_
#include "core/internal/client_proxy.h"
#include "core/internal/endpoint_channel.h"
#include "platform/byte_array.h"
#include "platform/port/string.h"
#include "platform/ptr.h"
#include "securegcm/ukey2_handshake.h"
namespace location {
namespace nearby {
namespace connections {
// Encrypts a connection over UKEY2.
//
// <p>NOTE: Stalled EndpointChannels will be disconnected after {TIMEOUT_MILLIS}
// milliseconds. This is to prevent unverified endpoints from maintaining an
// indefinite connection to us.
template <typename Platform>
class EncryptionRunner {
public:
EncryptionRunner();
~EncryptionRunner();
class ResultListener {
public:
virtual ~ResultListener() {}
// @EncryptionRunnerThread
virtual void onEncryptionSuccess(
const string& endpoint_id,
Ptr<securegcm::UKey2Handshake> ukey2_handshake,
const string& authentication_token,
ConstPtr<ByteArray> raw_authentication_token) = 0;
// Encryption has failed. The remote_endpoint_id and channel are given so
// that any pending state can be cleaned up.
//
// <p>We return the EndpointChannel because, at this stage, simultaneous
// connections are a possibility. Use this channel to verify that the state
// you're cleaning up is for this EndpointChannel, and not state for another
// channel to the same endpoint.
//
// @EncryptionRunnerThread
virtual void onEncryptionFailure(const string& endpoint_id,
Ptr<EndpointChannel> channel) = 0;
};
// @AnyThread
void startServer(Ptr<ClientProxy<Platform> > client_proxy,
const string& endpoint_id,
Ptr<EndpointChannel> endpoint_channel,
Ptr<ResultListener> result_listener);
// @AnyThread
void startClient(Ptr<ClientProxy<Platform> > client_proxy,
const string& endpoint_id,
Ptr<EndpointChannel> endpoint_channel,
Ptr<ResultListener> result_listener);
private:
ScopedPtr<Ptr<typename Platform::ScheduledExecutorType> > alarm_executor_;
ScopedPtr<Ptr<typename Platform::SingleThreadExecutorType> > server_executor_;
ScopedPtr<Ptr<typename Platform::SingleThreadExecutorType> > client_executor_;
};
} // namespace connections
} // namespace nearby
} // namespace location
#include "core/internal/encryption_runner.cc"
#endif // CORE_INTERNAL_ENCRYPTION_RUNNER_H_