103 lines
2.5 KiB
C++
103 lines
2.5 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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#include "rsocket/statemachine/StreamResponder.h"
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namespace rsocket {
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void StreamResponder::onSubscribe(
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std::shared_ptr<yarpl::flowable::Subscription> subscription) {
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publisherSubscribe(std::move(subscription));
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}
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void StreamResponder::onNext(Payload response) {
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if (publisherClosed()) {
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return;
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}
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writePayload(std::move(response));
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}
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void StreamResponder::onComplete() {
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if (publisherClosed()) {
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return;
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}
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publisherComplete();
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writeComplete();
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removeFromWriter();
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}
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void StreamResponder::onError(folly::exception_wrapper ew) {
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if (publisherClosed()) {
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return;
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}
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publisherComplete();
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if (!ew.with_exception([this](rsocket::ErrorWithPayload& err) {
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writeApplicationError(std::move(err.payload));
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})) {
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writeApplicationError(ew.get_exception()->what());
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}
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removeFromWriter();
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}
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void StreamResponder::handleRequestN(uint32_t n) {
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processRequestN(n);
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}
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void StreamResponder::handleError(folly::exception_wrapper) {
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handleCancel();
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}
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void StreamResponder::handlePayload(
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Payload&& payload,
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bool /*flagsComplete*/,
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bool /*flagsNext*/,
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bool flagsFollows) {
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payloadFragments_.addPayloadIgnoreFlags(std::move(payload));
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if (flagsFollows) {
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// there will be more fragments to come
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return;
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}
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Payload finalPayload = payloadFragments_.consumePayloadIgnoreFlags();
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if (newStream_) {
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newStream_ = false;
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onNewStreamReady(
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StreamType::STREAM, std::move(finalPayload), shared_from_this());
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} else {
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// per rsocket spec, ignore unexpected frame (payload) if it makes no sense
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// in the semantic of the stream
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}
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}
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void StreamResponder::handleCancel() {
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if (publisherClosed()) {
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return;
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}
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terminatePublisher();
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removeFromWriter();
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}
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void StreamResponder::endStream(StreamCompletionSignal signal) {
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if (publisherClosed()) {
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return;
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}
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terminatePublisher();
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writeApplicationError(to_string(signal));
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removeFromWriter();
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}
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} // namespace rsocket
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