101 lines
3.2 KiB
C++
101 lines
3.2 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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#include "rsocket/statemachine/StreamStateMachineBase.h"
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#include <folly/io/IOBuf.h>
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#include "rsocket/statemachine/RSocketStateMachine.h"
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#include "rsocket/statemachine/StreamsWriter.h"
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namespace rsocket {
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void StreamStateMachineBase::handleRequestN(uint32_t) {
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VLOG(4) << "Unexpected handleRequestN";
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}
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void StreamStateMachineBase::handleError(folly::exception_wrapper) {
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endStream(StreamCompletionSignal::ERROR);
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removeFromWriter();
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}
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void StreamStateMachineBase::handleCancel() {
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VLOG(4) << "Unexpected handleCancel";
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}
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size_t StreamStateMachineBase::getConsumerAllowance() const {
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return 0;
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}
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void StreamStateMachineBase::newStream(
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StreamType streamType,
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uint32_t initialRequestN,
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Payload payload) {
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writer_->writeNewStream(
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streamId_, streamType, initialRequestN, std::move(payload));
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}
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void StreamStateMachineBase::writeRequestN(uint32_t n) {
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writer_->writeRequestN(Frame_REQUEST_N{streamId_, n});
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}
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void StreamStateMachineBase::writeCancel() {
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writer_->writeCancel(Frame_CANCEL{streamId_});
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}
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void StreamStateMachineBase::writePayload(Payload&& payload, bool complete) {
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auto const flags =
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FrameFlags::NEXT | (complete ? FrameFlags::COMPLETE : FrameFlags::EMPTY_);
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Frame_PAYLOAD frame{streamId_, flags, std::move(payload)};
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writer_->writePayload(std::move(frame));
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}
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void StreamStateMachineBase::writeComplete() {
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writer_->writePayload(Frame_PAYLOAD::complete(streamId_));
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}
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void StreamStateMachineBase::writeApplicationError(folly::StringPiece msg) {
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writer_->writeError(Frame_ERROR::applicationError(streamId_, msg));
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}
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void StreamStateMachineBase::writeApplicationError(Payload&& payload) {
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writer_->writeError(
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Frame_ERROR::applicationError(streamId_, std::move(payload)));
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}
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void StreamStateMachineBase::writeInvalidError(folly::StringPiece msg) {
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writer_->writeError(Frame_ERROR::invalid(streamId_, msg));
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}
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void StreamStateMachineBase::removeFromWriter() {
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writer_->onStreamClosed(streamId_);
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// TODO: set writer_ to nullptr
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}
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std::shared_ptr<yarpl::flowable::Subscriber<Payload>>
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StreamStateMachineBase::onNewStreamReady(
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StreamType streamType,
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Payload payload,
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std::shared_ptr<yarpl::flowable::Subscriber<Payload>> response) {
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return writer_->onNewStreamReady(
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streamId_, streamType, std::move(payload), std::move(response));
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}
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void StreamStateMachineBase::onNewStreamReady(
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StreamType streamType,
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Payload payload,
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std::shared_ptr<yarpl::single::SingleObserver<Payload>> response) {
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writer_->onNewStreamReady(
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streamId_, streamType, std::move(payload), std::move(response));
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}
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} // namespace rsocket
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