1/*
2 * nghttp2 - HTTP/2 C Library
3 *
4 * Copyright (c) 2014 Tatsuhiro Tsujikawa
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25#include "shrpx_downstream_connection_pool.h"
26#include "shrpx_downstream_connection.h"
27
28namespace shrpx {
29
30DownstreamConnectionPool::DownstreamConnectionPool() {}
31
32DownstreamConnectionPool::~DownstreamConnectionPool() { remove_all(); }
33
34void DownstreamConnectionPool::remove_all() {
35  for (auto dconn : pool_) {
36    delete dconn;
37  }
38
39  pool_.clear();
40}
41
42void DownstreamConnectionPool::add_downstream_connection(
43    std::unique_ptr<DownstreamConnection> dconn) {
44  pool_.insert(dconn.release());
45}
46
47std::unique_ptr<DownstreamConnection>
48DownstreamConnectionPool::pop_downstream_connection() {
49  if (pool_.empty()) {
50    return nullptr;
51  }
52
53  auto it = std::begin(pool_);
54  auto dconn = std::unique_ptr<DownstreamConnection>(*it);
55  pool_.erase(it);
56
57  return dconn;
58}
59
60void DownstreamConnectionPool::remove_downstream_connection(
61    DownstreamConnection *dconn) {
62  pool_.erase(dconn);
63  delete dconn;
64}
65
66} // namespace shrpx
67