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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 _SDPMEDIASECTION_H_
#define _SDPMEDIASECTION_H_
#include "mozilla/Maybe.h"
#include "signaling/src/sdp/SdpEnum.h"
#include "signaling/src/sdp/SdpAttributeList.h"
#include <string>
#include <vector>
#include <sstream>
namespace mozilla
{
class SdpAttributeList;
class SdpConnection;
class SdpMediaSection
{
public:
enum MediaType { kAudio, kVideo, kText, kApplication, kMessage };
// don't add to enum to avoid warnings about unhandled enum values
static const size_t kMediaTypes = static_cast<size_t>(kMessage) + 1;
enum Protocol {
kRtpAvp, // RTP/AVP [RFC4566]
kUdp, // udp [RFC4566]
kVat, // vat [historic]
kRtp, // rtp [historic]
kUdptl, // udptl [ITU-T]
kTcp, // TCP [RFC4145]
kRtpAvpf, // RTP/AVPF [RFC4585]
kTcpRtpAvp, // TCP/RTP/AVP [RFC4571]
kRtpSavp, // RTP/SAVP [RFC3711]
kTcpBfcp, // TCP/BFCP [RFC4583]
kTcpTlsBfcp, // TCP/TLS/BFCP [RFC4583]
kTcpTls, // TCP/TLS [RFC4572]
kFluteUdp, // FLUTE/UDP [RFC-mehta-rmt-flute-sdp-05]
kTcpMsrp, // TCP/MSRP [RFC4975]
kTcpTlsMsrp, // TCP/TLS/MSRP [RFC4975]
kDccp, // DCCP [RFC5762]
kDccpRtpAvp, // DCCP/RTP/AVP [RFC5762]
kDccpRtpSavp, // DCCP/RTP/SAVP [RFC5762]
kDccpRtpAvpf, // DCCP/RTP/AVPF [RFC5762]
kDccpRtpSavpf, // DCCP/RTP/SAVPF [RFC5762]
kRtpSavpf, // RTP/SAVPF [RFC5124]
kUdpTlsRtpSavp, // UDP/TLS/RTP/SAVP [RFC5764]
kTcpTlsRtpSavp, // TCP/TLS/RTP/SAVP [JSEP-TBD]
kDccpTlsRtpSavp, // DCCP/TLS/RTP/SAVP [RFC5764]
kUdpTlsRtpSavpf, // UDP/TLS/RTP/SAVPF [RFC5764]
kTcpTlsRtpSavpf, // TCP/TLS/RTP/SAVPF [JSEP-TBD]
kDccpTlsRtpSavpf, // DCCP/TLS/RTP/SAVPF [RFC5764]
kUdpMbmsFecRtpAvp, // UDP/MBMS-FEC/RTP/AVP [RFC6064]
kUdpMbmsFecRtpSavp, // UDP/MBMS-FEC/RTP/SAVP [RFC6064]
kUdpMbmsRepair, // UDP/MBMS-REPAIR [RFC6064]
kFecUdp, // FEC/UDP [RFC6364]
kUdpFec, // UDP/FEC [RFC6364]
kTcpMrcpv2, // TCP/MRCPv2 [RFC6787]
kTcpTlsMrcpv2, // TCP/TLS/MRCPv2 [RFC6787]
kPstn, // PSTN [RFC7195]
kUdpTlsUdptl, // UDP/TLS/UDPTL [RFC7345]
kSctp, // SCTP [draft-ietf-mmusic-sctp-sdp-07]
kSctpDtls, // SCTP/DTLS [draft-ietf-mmusic-sctp-sdp-07]
kDtlsSctp // DTLS/SCTP [draft-ietf-mmusic-sctp-sdp-07]
};
explicit SdpMediaSection(size_t level) : mLevel(level) {}
virtual MediaType GetMediaType() const = 0;
virtual unsigned int GetPort() const = 0;
virtual void SetPort(unsigned int port) = 0;
virtual unsigned int GetPortCount() const = 0;
virtual Protocol GetProtocol() const = 0;
virtual const SdpConnection& GetConnection() const = 0;
virtual SdpConnection& GetConnection() = 0;
virtual uint32_t GetBandwidth(const std::string& type) const = 0;
virtual const std::vector<std::string>& GetFormats() const = 0;
std::vector<std::string> GetFormatsForSimulcastVersion(
size_t simulcastVersion, bool send, bool recv) const;
virtual const SdpAttributeList& GetAttributeList() const = 0;
virtual SdpAttributeList& GetAttributeList() = 0;
virtual SdpDirectionAttribute GetDirectionAttribute() const = 0;
virtual void Serialize(std::ostream&) const = 0;
virtual void AddCodec(const std::string& pt, const std::string& name,
uint32_t clockrate, uint16_t channels) = 0;
virtual void ClearCodecs() = 0;
virtual void AddDataChannel(const std::string& pt, const std::string& name,
uint16_t streams) = 0;
size_t
GetLevel() const
{
return mLevel;
}
inline bool
IsReceiving() const
{
return GetDirectionAttribute().mValue & sdp::kRecv;
}
inline bool
IsSending() const
{
return GetDirectionAttribute().mValue & sdp::kSend;
}
inline void
SetReceiving(bool receiving)
{
auto direction = GetDirectionAttribute().mValue;
if (direction & sdp::kSend) {
SetDirection(receiving ?
SdpDirectionAttribute::kSendrecv :
SdpDirectionAttribute::kSendonly);
} else {
SetDirection(receiving ?
SdpDirectionAttribute::kRecvonly :
SdpDirectionAttribute::kInactive);
}
}
inline void
SetSending(bool sending)
{
auto direction = GetDirectionAttribute().mValue;
if (direction & sdp::kRecv) {
SetDirection(sending ?
SdpDirectionAttribute::kSendrecv :
SdpDirectionAttribute::kRecvonly);
} else {
SetDirection(sending ?
SdpDirectionAttribute::kSendonly :
SdpDirectionAttribute::kInactive);
}
}
inline void SetDirection(SdpDirectionAttribute::Direction direction)
{
GetAttributeList().SetAttribute(new SdpDirectionAttribute(direction));
}
const SdpFmtpAttributeList::Parameters* FindFmtp(const std::string& pt) const;
void SetFmtp(const SdpFmtpAttributeList::Fmtp& fmtp);
void RemoveFmtp(const std::string& pt);
const SdpRtpmapAttributeList::Rtpmap* FindRtpmap(const std::string& pt) const;
const SdpSctpmapAttributeList::Sctpmap* FindSctpmap(
const std::string& pt) const;
bool HasRtcpFb(const std::string& pt,
SdpRtcpFbAttributeList::Type type,
const std::string& subType) const;
SdpRtcpFbAttributeList GetRtcpFbs() const;
void SetRtcpFbs(const SdpRtcpFbAttributeList& rtcpfbs);
bool HasFormat(const std::string& format) const
{
return std::find(GetFormats().begin(), GetFormats().end(), format) !=
GetFormats().end();
}
void SetSsrcs(const std::vector<uint32_t>& ssrcs,
const std::string& cname);
void AddMsid(const std::string& id, const std::string& appdata);
const SdpRidAttributeList::Rid* FindRid(const std::string& id) const;
private:
size_t mLevel;
};
inline std::ostream& operator<<(std::ostream& os, const SdpMediaSection& ms)
{
ms.Serialize(os);
return os;
}
inline std::ostream& operator<<(std::ostream& os, SdpMediaSection::MediaType t)
{
switch (t) {
case SdpMediaSection::kAudio:
return os << "audio";
case SdpMediaSection::kVideo:
return os << "video";
case SdpMediaSection::kText:
return os << "text";
case SdpMediaSection::kApplication:
return os << "application";
case SdpMediaSection::kMessage:
return os << "message";
}
MOZ_ASSERT(false, "Unknown MediaType");
return os << "?";
}
inline std::ostream& operator<<(std::ostream& os, SdpMediaSection::Protocol p)
{
switch (p) {
case SdpMediaSection::kRtpAvp:
return os << "RTP/AVP";
case SdpMediaSection::kUdp:
return os << "udp";
case SdpMediaSection::kVat:
return os << "vat";
case SdpMediaSection::kRtp:
return os << "rtp";
case SdpMediaSection::kUdptl:
return os << "udptl";
case SdpMediaSection::kTcp:
return os << "TCP";
case SdpMediaSection::kRtpAvpf:
return os << "RTP/AVPF";
case SdpMediaSection::kTcpRtpAvp:
return os << "TCP/RTP/AVP";
case SdpMediaSection::kRtpSavp:
return os << "RTP/SAVP";
case SdpMediaSection::kTcpBfcp:
return os << "TCP/BFCP";
case SdpMediaSection::kTcpTlsBfcp:
return os << "TCP/TLS/BFCP";
case SdpMediaSection::kTcpTls:
return os << "TCP/TLS";
case SdpMediaSection::kFluteUdp:
return os << "FLUTE/UDP";
case SdpMediaSection::kTcpMsrp:
return os << "TCP/MSRP";
case SdpMediaSection::kTcpTlsMsrp:
return os << "TCP/TLS/MSRP";
case SdpMediaSection::kDccp:
return os << "DCCP";
case SdpMediaSection::kDccpRtpAvp:
return os << "DCCP/RTP/AVP";
case SdpMediaSection::kDccpRtpSavp:
return os << "DCCP/RTP/SAVP";
case SdpMediaSection::kDccpRtpAvpf:
return os << "DCCP/RTP/AVPF";
case SdpMediaSection::kDccpRtpSavpf:
return os << "DCCP/RTP/SAVPF";
case SdpMediaSection::kRtpSavpf:
return os << "RTP/SAVPF";
case SdpMediaSection::kUdpTlsRtpSavp:
return os << "UDP/TLS/RTP/SAVP";
case SdpMediaSection::kTcpTlsRtpSavp:
return os << "TCP/TLS/RTP/SAVP";
case SdpMediaSection::kDccpTlsRtpSavp:
return os << "DCCP/TLS/RTP/SAVP";
case SdpMediaSection::kUdpTlsRtpSavpf:
return os << "UDP/TLS/RTP/SAVPF";
case SdpMediaSection::kTcpTlsRtpSavpf:
return os << "TCP/TLS/RTP/SAVPF";
case SdpMediaSection::kDccpTlsRtpSavpf:
return os << "DCCP/TLS/RTP/SAVPF";
case SdpMediaSection::kUdpMbmsFecRtpAvp:
return os << "UDP/MBMS-FEC/RTP/AVP";
case SdpMediaSection::kUdpMbmsFecRtpSavp:
return os << "UDP/MBMS-FEC/RTP/SAVP";
case SdpMediaSection::kUdpMbmsRepair:
return os << "UDP/MBMS-REPAIR";
case SdpMediaSection::kFecUdp:
return os << "FEC/UDP";
case SdpMediaSection::kUdpFec:
return os << "UDP/FEC";
case SdpMediaSection::kTcpMrcpv2:
return os << "TCP/MRCPv2";
case SdpMediaSection::kTcpTlsMrcpv2:
return os << "TCP/TLS/MRCPv2";
case SdpMediaSection::kPstn:
return os << "PSTN";
case SdpMediaSection::kUdpTlsUdptl:
return os << "UDP/TLS/UDPTL";
case SdpMediaSection::kSctp:
return os << "SCTP";
case SdpMediaSection::kSctpDtls:
return os << "SCTP/DTLS";
case SdpMediaSection::kDtlsSctp:
return os << "DTLS/SCTP";
}
MOZ_ASSERT(false, "Unknown Protocol");
return os << "?";
}
class SdpConnection
{
public:
SdpConnection(sdp::AddrType addrType, std::string addr, uint8_t ttl = 0,
uint32_t count = 0)
: mAddrType(addrType), mAddr(addr), mTtl(ttl), mCount(count)
{
}
~SdpConnection() {}
sdp::AddrType
GetAddrType() const
{
return mAddrType;
}
const std::string&
GetAddress() const
{
return mAddr;
}
void
SetAddress(const std::string& address)
{
mAddr = address;
if (mAddr.find(':') != std::string::npos) {
mAddrType = sdp::kIPv6;
} else {
mAddrType = sdp::kIPv4;
}
}
uint8_t
GetTtl() const
{
return mTtl;
}
uint32_t
GetCount() const
{
return mCount;
}
void
Serialize(std::ostream& os) const
{
sdp::NetType netType = sdp::kInternet;
os << "c=" << netType << " " << mAddrType << " " << mAddr;
if (mTtl) {
os << "/" << static_cast<uint32_t>(mTtl);
if (mCount) {
os << "/" << mCount;
}
}
os << "\r\n";
}
private:
sdp::AddrType mAddrType;
std::string mAddr;
uint8_t mTtl; // 0-255; 0 when unset
uint32_t mCount; // 0 when unset
};
inline std::ostream& operator<<(std::ostream& os, const SdpConnection& c)
{
c.Serialize(os);
return os;
}
} // namespace mozilla
#endif
|
