146 lines
3.6 KiB
C++
146 lines
3.6 KiB
C++
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2012 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "shrpx_downstream_queue.h"
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#include <cassert>
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#include "shrpx_downstream.h"
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namespace shrpx {
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DownstreamQueue::DownstreamQueue()
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{}
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DownstreamQueue::~DownstreamQueue()
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{}
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void DownstreamQueue::add_pending(std::unique_ptr<Downstream> downstream)
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{
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auto stream_id = downstream->get_stream_id();
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pending_downstreams_[stream_id] = std::move(downstream);
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}
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void DownstreamQueue::add_failure(std::unique_ptr<Downstream> downstream)
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{
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auto stream_id = downstream->get_stream_id();
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failure_downstreams_[stream_id] = std::move(downstream);
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}
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void DownstreamQueue::add_active(std::unique_ptr<Downstream> downstream)
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{
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auto stream_id = downstream->get_stream_id();
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active_downstreams_[stream_id] = std::move(downstream);
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}
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std::unique_ptr<Downstream> DownstreamQueue::remove(int32_t stream_id)
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{
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auto kv = pending_downstreams_.find(stream_id);
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if(kv != std::end(pending_downstreams_)) {
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auto downstream = std::move((*kv).second);
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pending_downstreams_.erase(kv);
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return downstream;
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}
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kv = active_downstreams_.find(stream_id);
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if(kv != std::end(active_downstreams_)) {
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auto downstream = std::move((*kv).second);
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active_downstreams_.erase(kv);
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return downstream;
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}
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kv = failure_downstreams_.find(stream_id);
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if(kv != std::end(failure_downstreams_)) {
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auto downstream = std::move((*kv).second);
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failure_downstreams_.erase(kv);
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return downstream;
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}
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return nullptr;
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}
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Downstream* DownstreamQueue::find(int32_t stream_id)
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{
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auto kv = pending_downstreams_.find(stream_id);
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if(kv != std::end(pending_downstreams_)) {
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return (*kv).second.get();
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}
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kv = active_downstreams_.find(stream_id);
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if(kv != std::end(active_downstreams_)) {
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return (*kv).second.get();
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}
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kv = failure_downstreams_.find(stream_id);
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if(kv != std::end(failure_downstreams_)) {
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return (*kv).second.get();
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}
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return nullptr;
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}
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std::unique_ptr<Downstream> DownstreamQueue::pop_pending()
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{
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auto i = std::begin(pending_downstreams_);
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if(i == std::end(pending_downstreams_)) {
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return nullptr;
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}
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auto downstream = std::move((*i).second);
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pending_downstreams_.erase(i);
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return downstream;
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}
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Downstream* DownstreamQueue::pending_top() const
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{
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auto i = std::begin(pending_downstreams_);
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if(i == std::end(pending_downstreams_)) {
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return nullptr;
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}
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return (*i).second.get();
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}
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size_t DownstreamQueue::num_active() const
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{
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return active_downstreams_.size();
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}
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bool DownstreamQueue::pending_empty() const
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{
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return pending_downstreams_.empty();
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}
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} // namespace shrpx
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