942bc2e4b9
|packet_overhead| field is added to rtc::NetworkRoute structure. In PackTransportInternal: 1. network_route() is added which returns the current network route. 2. debug_name() is removed. 3. transport_name() is moved from DtlsTransportInternal and IceTransportInternal to PacketTransportInternal. When the selected candidate pair is changed, the P2PTransportChannel will fire the SignalNetworkRouteChanged instead of SignalSelectedCandidatePairChanged to upper layers. The Rtp/SrtpTransport takes the responsibility of calculating the transport overhead from the BaseChannel so that the BaseChannel doesn't need to depend on P2P layer transports. TBR=pthatcher@webrtc.org Bug: webrtc:7013 Change-Id: If9928b25a7259544c2d9c42048b53ab24292fc67 Reviewed-on: https://webrtc-review.googlesource.com/22767 Reviewed-by: Zhi Huang <zhihuang@webrtc.org> Commit-Queue: Zhi Huang <zhihuang@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20664}
90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
/*
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* Copyright 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef P2P_BASE_UDPTRANSPORT_H_
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#define P2P_BASE_UDPTRANSPORT_H_
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#include <memory>
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#include <string>
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#include "api/optional.h"
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#include "api/ortc/udptransportinterface.h"
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#include "p2p/base/packettransportinternal.h"
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#include "rtc_base/asyncpacketsocket.h" // For PacketOptions.
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#include "rtc_base/thread_checker.h"
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namespace rtc {
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class AsyncPacketSocket;
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struct PacketTime;
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struct SentPacket;
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class SocketAddress;
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}
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namespace cricket {
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// Implementation of UdpTransportInterface.
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// Used by OrtcFactory.
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class UdpTransport : public rtc::PacketTransportInternal,
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public webrtc::UdpTransportInterface {
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public:
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// |transport_name| is only used for identification/logging.
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// |socket| must be non-null.
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UdpTransport(const std::string& transport_name,
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std::unique_ptr<rtc::AsyncPacketSocket> socket);
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~UdpTransport() override;
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// Overrides of UdpTransportInterface, used by the API consumer.
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rtc::SocketAddress GetLocalAddress() const override;
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bool SetRemoteAddress(const rtc::SocketAddress& addr) override;
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rtc::SocketAddress GetRemoteAddress() const override;
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// Overrides of PacketTransportInternal, used by webrtc internally.
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const std::string& transport_name() const override;
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bool receiving() const override;
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bool writable() const override;
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int SendPacket(const char* data,
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size_t len,
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const rtc::PacketOptions& options,
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int flags) override;
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int SetOption(rtc::Socket::Option opt, int value) override;
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int GetError() override;
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rtc::Optional<rtc::NetworkRoute> network_route() const override;
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protected:
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PacketTransportInternal* GetInternal() override;
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private:
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void OnSocketReadPacket(rtc::AsyncPacketSocket* socket,
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const char* data,
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size_t len,
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const rtc::SocketAddress& remote_addr,
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const rtc::PacketTime& packet_time);
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void OnSocketSentPacket(rtc::AsyncPacketSocket* socket,
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const rtc::SentPacket& packet);
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bool IsLocalConsistent();
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std::string transport_name_;
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int send_error_ = 0;
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std::unique_ptr<rtc::AsyncPacketSocket> socket_;
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// If not set, will be an "nil" address ("IsNil" returns true).
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rtc::SocketAddress remote_address_;
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rtc::ThreadChecker network_thread_checker_;
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};
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} // namespace cricket
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#endif // P2P_BASE_UDPTRANSPORT_H_
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