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1 /* | |
2 * Copyright 2016 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #ifndef WEBRTC_P2P_BASE_UDPTRANSPORTCHANNEL_H_ | |
12 #define WEBRTC_P2P_BASE_UDPTRANSPORTCHANNEL_H_ | |
13 | |
14 #include <memory> | |
15 #include <string> | |
16 | |
17 #include "webrtc/base/socketaddress.h" | |
18 #include "webrtc/base/thread_checker.h" | |
19 #include "webrtc/p2p/base/transportchannel.h" | |
Taylor Brandstetter
2016/11/01 21:32:49
It would be nice if this could depend only on Pack
pthatcher1
2016/11/02 06:19:38
I agree. Just make a new state enum.
johan
2016/11/02 15:14:04
Ok
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20 #include "webrtc/p2p/base/transportchannelimpl.h" | |
21 | |
22 namespace rtc { | |
23 class AsyncUDPSocket; | |
24 class PhysicalSocketServer; | |
25 class SocketServer; | |
26 class Thread; | |
27 } | |
28 | |
29 namespace cricket { | |
30 | |
Taylor Brandstetter
2016/11/01 21:32:49
If this class encapsulates a combination of RTP/RT
pthatcher1
2016/11/02 06:19:37
It doesn't. This should be one UDP socket/port an
Taylor Brandstetter
2016/11/02 19:15:20
It's not clear to me how that will work, or how it
| |
31 class UdpTransportChannel : public rtc::PacketTransportInterface { | |
32 public: | |
33 UdpTransportChannel(const std::string& transport_name, int component); | |
Taylor Brandstetter
2016/11/01 21:32:48
If this is always RTP+RTCP, it doesn't need a comp
pthatcher1
2016/11/02 06:19:37
As far as I can tell, the component is only used f
johan
2016/11/02 15:14:04
Can do that.
| |
34 UdpTransportChannel(const std::string& transport_name, | |
35 int component, | |
36 rtc::SocketServer* ss); | |
37 ~UdpTransportChannel(); | |
38 | |
39 const std::string debug_name() const override { return debug_name_; } | |
40 | |
41 bool receiving() const override { | |
42 // TODO(johan): Implement method and signal. | |
43 return true; | |
pthatcher1
2016/11/02 06:19:37
Might as well implement it. It's basically just r
johan
2016/11/02 15:14:04
Yes, receiving() is no rocket science, but I would
| |
44 } | |
45 | |
46 bool writable() const override; | |
47 | |
48 int SendPacket(const char* data, | |
49 size_t len, | |
50 const rtc::PacketOptions& options, | |
51 int flags) override; | |
52 | |
53 int SetOption(rtc::Socket::Option opt, int value) override { return 0; } | |
54 | |
55 int GetError() override { return send_error_; } | |
56 | |
57 // TODO(johan): Reusing TransportChannelState is ugly. On the other hand there | |
58 // are already too many state enums for very similar states troughout the code | |
59 // base. | |
60 TransportChannelState GetState() const { | |
Taylor Brandstetter
2016/11/01 21:32:48
I agree there are a lot of states, but in my opini
pthatcher1
2016/11/02 06:19:37
I agree. Make a new enum.
johan
2016/11/02 15:14:04
Done.
| |
61 RTC_DCHECK_RUN_ON(&network_thread_checker_); | |
62 return state_; | |
63 } | |
64 | |
65 // Check GetState() for resulting state. | |
66 void TryAllocateSocket(); | |
67 | |
68 void AddRemoteCandidate(const Candidate& candidate); | |
Taylor Brandstetter
2016/11/01 21:32:48
As long as this is (now) a new interface, we could
pthatcher1
2016/11/02 06:19:37
Yeah, we shouldn't use candidates. They are speci
johan
2016/11/02 15:14:04
Done.
| |
69 | |
70 // Returns default values, if local candidate is not set. | |
71 // Consider checking GetState() before calling GetLocalCandidate(). | |
72 const Candidate& GetLocalCandidate(); | |
pthatcher1
2016/11/02 06:19:37
I would call this local_parameters()
johan
2016/11/02 15:14:04
Ok, the naming pattern for cheap functions from th
| |
73 | |
74 private: | |
75 void OnSocketReadPacket(rtc::AsyncPacketSocket* socket, | |
76 const char* data, | |
77 size_t len, | |
78 const rtc::SocketAddress& remote_addr, | |
79 const rtc::PacketTime& packet_time); | |
80 void OnSocketSentPacket(rtc::AsyncPacketSocket* socket, | |
81 const rtc::SentPacket& packet); | |
82 void SetTransportChannelState( | |
83 TransportChannelState state); // Set State and Signal. | |
84 TransportChannelState state_ = STATE_INIT; | |
85 bool IsLocalConsistent(); | |
86 bool IsRemoteConsistent(); | |
87 void UpdateState(); | |
88 void UpdateDebugName(); | |
89 int send_error_ = 0; | |
90 std::string transport_name_; | |
91 std::string debug_name_; | |
92 int component_; | |
93 std::unique_ptr<rtc::AsyncPacketSocket> socket_; | |
94 // TODO(johan): use a non-ICE datatype for parameters with | |
95 // PacketTransportInterface. | |
96 rtc::Optional<Candidate> local_parameters_; | |
97 rtc::Optional<Candidate> remote_parameters_; | |
98 rtc::SocketServer* socket_server_; | |
99 rtc::ThreadChecker network_thread_checker_; | |
100 }; | |
101 } // namespace cricket | |
102 | |
103 #endif // WEBRTC_P2P_BASE_UDPTRANSPORTCHANNEL_H_ | |
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