57 lines
2.2 KiB
C
57 lines
2.2 KiB
C
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// 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 "yarpl/Flowable.h"
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#include "rsocket/Payload.h"
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#include "rsocket/framing/FrameHeader.h"
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#include "rsocket/internal/Common.h"
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namespace rsocket {
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// This class has to be implemented by the client application for cold
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// resumption. The default implementation will error/close the streams.
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class ColdResumeHandler {
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public:
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virtual ~ColdResumeHandler() = default;
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// Generate an application-aware streamToken for the given stream parameters.
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virtual std::string
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generateStreamToken(const Payload&, StreamId streamId, StreamType) const;
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// This method will be called for each REQUEST_STREAM for which the
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// application acted as a responder. The default action would be to return a
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// Flowable which errors out immediately.
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// The second parameter is the allowance which the application received
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// before cold-start and hasn't been fulfilled yet.
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virtual std::shared_ptr<yarpl::flowable::Flowable<rsocket::Payload>>
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handleResponderResumeStream(
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std::string streamToken,
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size_t publisherAllowance);
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// This method will be called for each REQUEST_STREAM for which the
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// application acted as a requester. The default action would be to return a
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// Subscriber which cancels the stream immediately after getting subscribed.
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// The second parameter is the allowance which the application requested
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// before cold-start and hasn't been fulfilled yet.
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virtual std::shared_ptr<yarpl::flowable::Subscriber<rsocket::Payload>>
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handleRequesterResumeStream(
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std::string streamToken,
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size_t consumerAllowance);
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};
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} // namespace rsocket
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