Files
nearby/cpp/core_v2/internal/encryption_runner.h
T
Alexey Polyudov ae1c427b99 nearby: snapshot of cl/313536507
Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I8936b527079074d5c3af5531b9245063767cc4a7
2020-05-28 00:03:22 -07:00

73 lines
2.5 KiB
C++

#ifndef CORE_V2_INTERNAL_ENCRYPTION_RUNNER_H_
#define CORE_V2_INTERNAL_ENCRYPTION_RUNNER_H_
#include <string>
#include "core_v2/internal/client_proxy.h"
#include "core_v2/internal/endpoint_channel.h"
#include "core_v2/listeners.h"
#include "platform_v2/base/byte_array.h"
#include "platform_v2/public/scheduled_executor.h"
#include "platform_v2/public/single_thread_executor.h"
#include "securegcm/ukey2_handshake.h"
namespace location {
namespace nearby {
namespace connections {
// Encrypts a connection over UKEY2.
//
// NOTE: Stalled EndpointChannels will be disconnected after kTimeout.
// This is to prevent unverified endpoints from maintaining an
// indefinite connection to us.
class EncryptionRunner {
public:
EncryptionRunner() = default;
~EncryptionRunner();
struct ResultListener {
// @EncryptionRunnerThread
std::function<void(const std::string& endpoint_id,
std::unique_ptr<securegcm::UKey2Handshake> ukey2,
const std::string& auth_token,
const ByteArray& raw_auth_token)>
on_success_cb =
DefaultCallback<const std::string&,
std::unique_ptr<securegcm::UKey2Handshake>,
const std::string&, const ByteArray&>();
// Encryption has failed. The remote_endpoint_id and channel are given so
// that any pending state can be cleaned up.
//
// 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
std::function<void(const std::string& endpoint_id,
EndpointChannel* channel)>
on_failure_cb = DefaultCallback<const std::string&, EndpointChannel*>();
};
// @AnyThread
void StartServer(ClientProxy* client_proxy, const std::string& endpoint_id,
EndpointChannel* endpoint_channel,
ResultListener&& result_listener);
// @AnyThread
void StartClient(ClientProxy* client_proxy, const std::string& endpoint_id,
EndpointChannel* endpoint_channel,
ResultListener&& result_listener);
private:
ScheduledExecutor alarm_executor_;
SingleThreadExecutor server_executor_;
SingleThreadExecutor client_executor_;
};
} // namespace connections
} // namespace nearby
} // namespace location
#endif // CORE_V2_INTERNAL_ENCRYPTION_RUNNER_H_