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Diffstat (limited to 'media/webrtc/signaling/src/sdp/SipccSdpAttributeList.h')
| -rw-r--r-- | media/webrtc/signaling/src/sdp/SipccSdpAttributeList.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/media/webrtc/signaling/src/sdp/SipccSdpAttributeList.h b/media/webrtc/signaling/src/sdp/SipccSdpAttributeList.h new file mode 100644 index 000000000..62dded52e --- /dev/null +++ b/media/webrtc/signaling/src/sdp/SipccSdpAttributeList.h @@ -0,0 +1,147 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _SIPCCSDPATTRIBUTELIST_H_ +#define _SIPCCSDPATTRIBUTELIST_H_ + +#include "signaling/src/sdp/SdpAttributeList.h" + +extern "C" { +#include "signaling/src/sdp/sipcc/sdp.h" +} + +namespace mozilla +{ + +class SipccSdp; +class SipccSdpMediaSection; +class SdpErrorHolder; + +class SipccSdpAttributeList : public SdpAttributeList +{ + friend class SipccSdpMediaSection; + friend class SipccSdp; + +public: + // Make sure we don't hide the default arg thunks + using SdpAttributeList::HasAttribute; + using SdpAttributeList::GetAttribute; + + virtual bool HasAttribute(AttributeType type, + bool sessionFallback) const override; + virtual const SdpAttribute* GetAttribute( + AttributeType type, bool sessionFallback) const override; + virtual void SetAttribute(SdpAttribute* attr) override; + virtual void RemoveAttribute(AttributeType type) override; + virtual void Clear() override; + + virtual const SdpConnectionAttribute& GetConnection() const override; + virtual const SdpFingerprintAttributeList& GetFingerprint() const + override; + virtual const SdpGroupAttributeList& GetGroup() const override; + virtual const SdpOptionsAttribute& GetIceOptions() const override; + virtual const SdpRtcpAttribute& GetRtcp() const override; + virtual const SdpRemoteCandidatesAttribute& GetRemoteCandidates() const + override; + virtual const SdpSetupAttribute& GetSetup() const override; + virtual const SdpSsrcAttributeList& GetSsrc() const override; + virtual const SdpSsrcGroupAttributeList& GetSsrcGroup() const override; + virtual const SdpDtlsMessageAttribute& GetDtlsMessage() const override; + + // These attributes can appear multiple times, so the returned + // classes actually represent a collection of values. + virtual const std::vector<std::string>& GetCandidate() const override; + virtual const SdpExtmapAttributeList& GetExtmap() const override; + virtual const SdpFmtpAttributeList& GetFmtp() const override; + virtual const SdpImageattrAttributeList& GetImageattr() const override; + const SdpSimulcastAttribute& GetSimulcast() const override; + virtual const SdpMsidAttributeList& GetMsid() const override; + virtual const SdpMsidSemanticAttributeList& GetMsidSemantic() + const override; + const SdpRidAttributeList& GetRid() const override; + virtual const SdpRtcpFbAttributeList& GetRtcpFb() const override; + virtual const SdpRtpmapAttributeList& GetRtpmap() const override; + virtual const SdpSctpmapAttributeList& GetSctpmap() const override; + + // These attributes are effectively simple types, so we'll make life + // easy by just returning their value. + virtual const std::string& GetIcePwd() const override; + virtual const std::string& GetIceUfrag() const override; + virtual const std::string& GetIdentity() const override; + virtual const std::string& GetLabel() const override; + virtual unsigned int GetMaxptime() const override; + virtual const std::string& GetMid() const override; + virtual unsigned int GetPtime() const override; + + virtual SdpDirectionAttribute::Direction GetDirection() const override; + + virtual void Serialize(std::ostream&) const override; + + virtual ~SipccSdpAttributeList(); + +private: + static const std::string kEmptyString; + static const size_t kNumAttributeTypes = SdpAttribute::kLastAttribute + 1; + + // Pass a session-level attribute list if constructing a media-level one, + // otherwise pass nullptr + explicit SipccSdpAttributeList(const SipccSdpAttributeList* sessionLevel); + + bool Load(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + void LoadSimpleStrings(sdp_t* sdp, uint16_t level, + SdpErrorHolder& errorHolder); + void LoadSimpleString(sdp_t* sdp, uint16_t level, sdp_attr_e attr, + AttributeType targetType, SdpErrorHolder& errorHolder); + void LoadSimpleNumbers(sdp_t* sdp, uint16_t level, + SdpErrorHolder& errorHolder); + void LoadSimpleNumber(sdp_t* sdp, uint16_t level, sdp_attr_e attr, + AttributeType targetType, SdpErrorHolder& errorHolder); + void LoadFlags(sdp_t* sdp, uint16_t level); + void LoadDirection(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + bool LoadRtpmap(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + bool LoadSctpmap(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + void LoadIceAttributes(sdp_t* sdp, uint16_t level); + bool LoadFingerprint(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + void LoadCandidate(sdp_t* sdp, uint16_t level); + void LoadSetup(sdp_t* sdp, uint16_t level); + void LoadSsrc(sdp_t* sdp, uint16_t level); + bool LoadImageattr(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + bool LoadSimulcast(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + bool LoadGroups(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + bool LoadMsidSemantics(sdp_t* sdp, + uint16_t level, + SdpErrorHolder& errorHolder); + void LoadIdentity(sdp_t* sdp, uint16_t level); + void LoadDtlsMessage(sdp_t* sdp, uint16_t level); + void LoadFmtp(sdp_t* sdp, uint16_t level); + void LoadMsids(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + bool LoadRid(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + void LoadExtmap(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + void LoadRtcpFb(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + void LoadRtcp(sdp_t* sdp, uint16_t level, SdpErrorHolder& errorHolder); + static SdpRtpmapAttributeList::CodecType GetCodecType(rtp_ptype type); + + bool + AtSessionLevel() const + { + return !mSessionLevel; + } + bool IsAllowedHere(SdpAttribute::AttributeType type) const; + void WarnAboutMisplacedAttribute(SdpAttribute::AttributeType type, + uint32_t lineNumber, + SdpErrorHolder& errorHolder); + + const SipccSdpAttributeList* mSessionLevel; + + SdpAttribute* mAttributes[kNumAttributeTypes]; + + SipccSdpAttributeList(const SipccSdpAttributeList& orig) = delete; + SipccSdpAttributeList& operator=(const SipccSdpAttributeList& rhs) = delete; +}; + +} // namespace mozilla + +#endif |