1 /*
2  * Copyright (C) 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <cinttypes>
20 #include <utility>
21 
22 // This is not part of the webrtc api and therefore subject to change
23 #include <p2p/base/basic_packet_socket_factory.h>
24 
25 namespace cuttlefish {
26 namespace webrtc_streaming {
27 
28 // rtc::BasicPacketSocketFactory is not part of the webrtc api so only functions
29 // from its upper class should be overridden here.
30 class PortRangeSocketFactory : public rtc::BasicPacketSocketFactory {
31  public:
32   PortRangeSocketFactory(rtc::Thread* thread,
33                          std::pair<uint16_t, uint16_t> udp_port_range,
34                          std::pair<uint16_t, uint16_t> tcp_port_range);
35 
36   rtc::AsyncPacketSocket* CreateUdpSocket(
37       const rtc::SocketAddress& local_address, uint16_t min_port,
38       uint16_t max_port) override;
39 
40   rtc::AsyncPacketSocket* CreateServerTcpSocket(
41       const rtc::SocketAddress& local_address, uint16_t min_port,
42       uint16_t max_port, int opts) override;
43 
44  private:
45   std::pair<uint16_t, uint16_t> udp_port_range_;
46   std::pair<uint16_t, uint16_t> tcp_port_range_;
47 };
48 
49 }  // namespace webrtc_streaming
50 }  // namespace cuttlefish
51