mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 15:16:12 -04:00
Alexey Polyudov
ce4807935e
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: Ic2bdb234e89f3c5860d1b483dd4bce689f13d057
87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CORE_INTERNAL_ENCRYPTION_RUNNER_H_
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#define CORE_INTERNAL_ENCRYPTION_RUNNER_H_
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#include <string>
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#include "core/internal/client_proxy.h"
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#include "core/internal/endpoint_channel.h"
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#include "core/listeners.h"
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#include "platform/base/byte_array.h"
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#include "platform/public/scheduled_executor.h"
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#include "platform/public/single_thread_executor.h"
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#include "securegcm/ukey2_handshake.h"
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namespace location {
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namespace nearby {
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namespace connections {
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// Encrypts a connection over UKEY2.
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//
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// NOTE: Stalled EndpointChannels will be disconnected after kTimeout.
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// This is to prevent unverified endpoints from maintaining an
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// indefinite connection to us.
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class EncryptionRunner {
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public:
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EncryptionRunner() = default;
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~EncryptionRunner();
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struct ResultListener {
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// @EncryptionRunnerThread
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std::function<void(const std::string& endpoint_id,
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std::unique_ptr<securegcm::UKey2Handshake> ukey2,
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const std::string& auth_token,
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const ByteArray& raw_auth_token)>
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on_success_cb =
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DefaultCallback<const std::string&,
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std::unique_ptr<securegcm::UKey2Handshake>,
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const std::string&, const ByteArray&>();
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// Encryption has failed. The remote_endpoint_id and channel are given so
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// that any pending state can be cleaned up.
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//
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// We return the EndpointChannel because, at this stage, simultaneous
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// connections are a possibility. Use this channel to verify that the state
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// you're cleaning up is for this EndpointChannel, and not state for another
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// channel to the same endpoint.
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//
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// @EncryptionRunnerThread
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std::function<void(const std::string& endpoint_id,
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EndpointChannel* channel)>
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on_failure_cb = DefaultCallback<const std::string&, EndpointChannel*>();
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};
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// @AnyThread
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void StartServer(ClientProxy* client, const std::string& endpoint_id,
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EndpointChannel* endpoint_channel,
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ResultListener&& result_listener);
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// @AnyThread
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void StartClient(ClientProxy* client, const std::string& endpoint_id,
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EndpointChannel* endpoint_channel,
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ResultListener&& result_listener);
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private:
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ScheduledExecutor alarm_executor_;
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SingleThreadExecutor server_executor_;
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SingleThreadExecutor client_executor_;
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};
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} // namespace connections
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} // namespace nearby
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} // namespace location
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#endif // CORE_INTERNAL_ENCRYPTION_RUNNER_H_
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