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5fc28b11a0
This reverts commit46afbf9481. Reason for revert: Tightened protocol name handling. Original change's description: > Revert "Reland "Version 2 "Refactoring DataContentDescription class""" > > This reverts commit37f2b43274. > > Reason for revert: fuzzer failures > > Original change's description: > > Reland "Version 2 "Refactoring DataContentDescription class"" > > > > This is a reland of14b2758726> > > > Original change's description: > > > Version 2 "Refactoring DataContentDescription class" > > > > > > (substantial changes since version 1) > > > > > > This CL splits the cricket::DataContentDescription class into > > > two classes: cricket::RtpDataContentDescription (used for RTP data) > > > and cricket::SctpDataContentDescription (used for SCTP only). > > > > > > SctpDataContentDescription no longer inherits from > > > MediaContentDescriptionImpl, and no longer contains "codecs". > > > > > > Due to usage of internal interfaces by consumers, shimming the old > > > DataContentDescription API is needed. > > > > > > A new cricket::DataContentDescription class is defined, which is > > > a shim over RtpDataContentDescription and SctpDataContentDescription. > > > It exposes as little functionality as possible, but supports the > > > concerned consumer's usage > > > > > > Design document: > > > https://docs.google.com/document/d/1H5LfQxJA2ikMWTQ8FZ3_GAmaXM7knfVQWiSz6ph8VQ0/edit# > > > > > > Version 1 reviewed-on: https://webrtc-review.googlesource.com/c/src/+/132700 > > > Bug: webrtc:10358 Change-Id: Ia9fb8f4679e082e3d18fbbb6b03fc13a08e06110 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/136581 Reviewed-by: Henrik Boström <hbos@webrtc.org> Reviewed-by: Steve Anton <steveanton@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27933}
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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* Copyright 2019 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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#include "pc/media_protocol_names.h"
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namespace cricket {
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// There are multiple variants of the RTP protocol stack, including
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// UDP/TLS/RTP/SAVPF (WebRTC default), RTP/AVP, RTP/AVPF, RTP/SAVPF,
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// TCP/DTLS/RTP/SAVPF and so on. We accept anything that has RTP/
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// embedded in it somewhere as being an RTP protocol.
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const char kMediaProtocolRtpPrefix[] = "RTP/";
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const char kMediaProtocolSctp[] = "SCTP";
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const char kMediaProtocolDtlsSctp[] = "DTLS/SCTP";
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const char kMediaProtocolUdpDtlsSctp[] = "UDP/DTLS/SCTP";
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const char kMediaProtocolTcpDtlsSctp[] = "TCP/DTLS/SCTP";
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bool IsDtlsSctp(const std::string& protocol) {
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return protocol == kMediaProtocolDtlsSctp ||
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protocol == kMediaProtocolUdpDtlsSctp ||
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protocol == kMediaProtocolTcpDtlsSctp;
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}
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bool IsPlainSctp(const std::string& protocol) {
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return protocol == kMediaProtocolSctp;
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}
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bool IsRtpProtocol(const std::string& protocol) {
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if (protocol.empty()) {
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return true;
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}
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size_t pos = protocol.find(cricket::kMediaProtocolRtpPrefix);
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if (pos == std::string::npos) {
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return false;
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}
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// RTP must be at the beginning of a string or not preceded by alpha
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if (pos == 0 || !isalpha(protocol[pos - 1])) {
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return true;
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}
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return false;
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}
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bool IsSctpProtocol(const std::string& protocol) {
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return IsPlainSctp(protocol) || IsDtlsSctp(protocol);
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}
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} // namespace cricket
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