mirror of
https://github.com/kidfromjupiter/nearby.git
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106 lines
3.8 KiB
C++
106 lines
3.8 KiB
C++
// Copyright 2025 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 THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_TACHYON_MESSAGING_CLIENT_H_
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#define THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_TACHYON_MESSAGING_CLIENT_H_
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#ifndef NO_WEBRTC
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#include <grpcpp/security/credentials.h>
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#include <memory>
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#include <string>
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#include "absl/base/thread_annotations.h"
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#include "absl/functional/any_invocable.h"
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#include "absl/strings/string_view.h"
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#include "absl/synchronization/mutex.h"
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#include "third_party/grpc/include/grpcpp/client_context.h"
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#include "third_party/grpc/include/grpcpp/support/client_callback.h"
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#include "third_party/grpc/include/grpcpp/support/status.h"
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#include "internal/platform/byte_array.h"
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#include "internal/platform/implementation/account_manager.h"
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#include "internal/platform/implementation/webrtc.h"
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#include "internal/proto/messaging.grpc.pb.h"
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namespace nearby {
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// Interface for the messaging Tachyon service. See
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// third_party/nearby/internal/proto/messaging.proto
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class TachyonExpressSignalingMessenger : public api::WebRtcSignalingMessenger {
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public:
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explicit TachyonExpressSignalingMessenger(
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absl::string_view self_id,
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const location::nearby::connections::LocationHint& location_hint);
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class ReceiveMessagesReader
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: public grpc::ClientReadReactor<
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google::internal::communications::instantmessaging::v1::
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ReceiveMessagesResponse> {
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public:
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ReceiveMessagesReader() = default;
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void OnReadDone(bool ok) override;
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void OnDone(const grpc::Status& s) override;
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bool Start(
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google::internal::communications::instantmessaging::v1::grpc::
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Messaging::StubInterface* stub,
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absl::string_view self_id,
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const location::nearby::connections::LocationHint& location_hint,
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absl::string_view access_token,
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absl::AnyInvocable<void()> on_fast_path_ready_callback,
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absl::AnyInvocable<void(const ByteArray&)> on_inbox_message_callback,
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absl::AnyInvocable<void(bool)> on_complete_callback);
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void TryCancel();
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private:
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grpc::ClientContext context_;
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google::internal::communications::instantmessaging::v1::
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ReceiveMessagesExpressRequest request_;
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google::internal::communications::instantmessaging::v1::
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ReceiveMessagesResponse response_;
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absl::AnyInvocable<void()> on_fast_path_ready_callback_;
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absl::AnyInvocable<void(const ByteArray&)> on_inbox_message_callback_;
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absl::AnyInvocable<void(bool)> on_complete_callback_;
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absl::Mutex mutex_;
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bool is_receiving_messages_ ABSL_GUARDED_BY(mutex_) = false;
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};
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bool SendMessage(absl::string_view peer_id,
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const ByteArray& message) override;
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bool StartReceivingMessages(
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OnSignalingMessageCallback on_message_callback,
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OnSignalingCompleteCallback on_complete_callback) override;
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void StopReceivingMessages() override;
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private:
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std::string self_id_;
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location::nearby::connections::LocationHint location_hint_;
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std::unique_ptr<google::internal::communications::instantmessaging::v1::grpc::
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Messaging::StubInterface>
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messaging_stub_;
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AccountManager* const account_manager_;
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std::shared_ptr<ReceiveMessagesReader> reader_ = nullptr;
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};
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} // namespace nearby
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#endif // #ifndef NO_WEBRTC
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#endif // THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_TACHYON_MESSAGING_CLIENT_H_
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