78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
// Copyright (c) Facebook, Inc. and its affiliates.
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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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// http://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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#pragma once
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#include <folly/ExceptionWrapper.h>
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#include "rsocket/DuplexConnection.h"
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#include "rsocket/internal/Common.h"
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#include "yarpl/flowable/Subscription.h"
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#include "rsocket/framing/FrameTransport.h"
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namespace rsocket {
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class FrameProcessor;
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class FrameTransportImpl
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: public FrameTransport,
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/// Registered as an input in the DuplexConnection.
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public DuplexConnection::Subscriber,
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public std::enable_shared_from_this<FrameTransportImpl> {
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public:
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explicit FrameTransportImpl(std::unique_ptr<DuplexConnection> connection);
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~FrameTransportImpl();
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void setFrameProcessor(std::shared_ptr<FrameProcessor>) override;
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/// Writes the frame directly to output. If the connection was closed it will
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/// drop the frame.
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void outputFrameOrDrop(std::unique_ptr<folly::IOBuf>) override;
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/// Cancel the input and close the underlying connection.
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void close() override;
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bool isClosed() const {
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return !connection_;
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}
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DuplexConnection* getConnection() override {
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return connection_.get();
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}
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bool isConnectionFramed() const override;
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// Subscriber.
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void onSubscribe(std::shared_ptr<yarpl::flowable::Subscription>) override;
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void onNext(std::unique_ptr<folly::IOBuf>) override;
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void onComplete() override;
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void onError(folly::exception_wrapper) override;
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private:
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void connect();
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/// Terminates the FrameProcessor. Will queue up the exception if no
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/// processor is set, overwriting any previously queued exception.
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void terminateProcessor(folly::exception_wrapper);
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std::shared_ptr<FrameProcessor> frameProcessor_;
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std::shared_ptr<DuplexConnection> connection_;
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std::shared_ptr<DuplexConnection::Subscriber> connectionOutput_;
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std::shared_ptr<yarpl::flowable::Subscription> connectionInputSub_;
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};
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} // namespace rsocket
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