sdpcontents.hxx

这是国外的resip协议栈

                  class Adjustment
                  {
                     public:
                        Adjustment(unsigned long time,
                                   int offset);
                        Adjustment(const Adjustment& rhs);
                        Adjustment& operator=(const Adjustment& rhs);

                        unsigned long time;
                        int offset;
                  };

                  Timezones();
                  Timezones(const Timezones& rhs);
                  Timezones& operator=(const Timezones& rhs);

                  void parse(ParseBuffer& pb);
                  std::ostream& encode(std::ostream&) const;

                  void addAdjustment(const Adjustment& adjusment);
                  const std::list<Adjustment>& getAdjustments() const {return mAdjustments; }
               private:
                  std::list<Adjustment> mAdjustments;
            };

            class Encryption
            {
               public:
                  typedef enum {NoEncryption = 0, Prompt, Clear, Base64, UriKey} KeyType;
                  Encryption(const KeyType& method,
                             const Data& key);
                  Encryption(const Encryption& rhs);
                  Encryption& operator=(const Encryption& rhs);


                  void parse(ParseBuffer& pb);
                  std::ostream& encode(std::ostream&) const;

                  const KeyType& getMethod() const {return mMethod;}
                  const KeyType& method() const {return mMethod;}
                  KeyType& method() {return mMethod;}
                  const Data& getKey() const {return mKey;}
                  const Data& key() const {return mKey;}
                  Data& key() {return mKey;}

                  Encryption();
               private:
                  KeyType mMethod;
                  Data mKey;
            };

            class Medium
            {
               public:
                  Medium();
                  Medium(const Medium& rhs);
                  Medium(const Data& name,
                         unsigned long port,
                         unsigned long multicast,
                         const Data& protocol);
                  Medium& operator=(const Medium& rhs);

                  void parse(ParseBuffer& pb);
                  std::ostream& encode(std::ostream&) const;

                  void addFormat(const Data& format);
                  void setConnection(const Connection& connection);
                  void addConnection(const Connection& connection);
                  void setBandwidth(const Bandwidth& bandwidth);
                  void addBandwidth(const Bandwidth& bandwidth);
                  void addAttribute(const Data& key, const Data& value = Data::Empty);

                  const Data& name() const {return mName;}
                  Data& name() {return mName;}

                  int port() const {return mPort;}
                  unsigned long& port() {return mPort;}
                 void setPort(int port);
                  int multicast() const {return mMulticast;}
                  unsigned long& multicast() {return mMulticast;}
                  const Data& protocol() const {return mProtocol;}
                  Data& protocol() {return mProtocol;}

                  // preferred codec/format interface
                  const std::list<Codec>& codecs() const;
                  std::list<Codec>& codecs();
                  void clearCodecs();
                  void addCodec(const Codec& codec);

                  const std::list<Data>& getFormats() const {return mFormats;}
                  const Data& information() const {return mInformation;}
                  Data& information() {return mInformation;}
                  const std::list<Bandwidth>& bandwidths() const {return mBandwidths;}
                  std::list<Bandwidth>& bandwidths() {return mBandwidths;}

                  // from session if empty
                  const std::list<Connection> getConnections() const;
                  // does not include session connections
                  const std::list<Connection>& getMediumConnections() const {return mConnections;}
                  std::list<Connection>& getMediumConnections() {return mConnections;}
                  const Encryption& getEncryption() const {return mEncryption;}
                  const Encryption& encryption() const {return mEncryption;}
                  Encryption& encryption() {return mEncryption;}
                  bool exists(const Data& key) const;
                  const std::list<Data>& getValues(const Data& key) const;
                  void clearAttribute(const Data& key);

                  const Codec& findFirstMatchingCodecs(const std::list<Codec>& codecList, Codec* pMatchingCodec = 0) const;
                  const Codec& findFirstMatchingCodecs(const Medium& medium, Codec* pMatchingCodec = 0) const;

                  int findTelephoneEventPayloadType() const;

               private:
                  void setSession(Session* session);
                  Session* mSession;

                  Data mName;
                  unsigned long mPort;
                  unsigned long mMulticast;
                  Data mProtocol;
                  mutable std::list<Data> mFormats;
                  mutable std::list<Codec> mCodecs;
                  Data mTransport;
                  Data mInformation;
                  std::list<Connection> mConnections;
                  std::list<Bandwidth> mBandwidths;
                  Encryption mEncryption;
                  mutable AttributeHelper mAttributeHelper;

                  mutable bool mRtpMapDone;
                  typedef HashMap<int, Codec> RtpMap;
                  mutable RtpMap mRtpMap;

                  friend class Session;
            };

            Session(int version,
                    const Origin& origin,
                    const Data& name);

            Session() : mVersion(0) {}
            Session(const Session& rhs);
            Session& operator=(const Session& rhs);

            void parse(ParseBuffer& pb);
            std::ostream& encode(std::ostream&) const;

            int version() const {return mVersion;}
            int& version() {return mVersion;}
            const Origin& origin() const {return mOrigin;}
            Origin& origin() {return mOrigin;}
            const Data& name() const {return mName;}
            Data& name() {return mName;}
            const Data& information() const {return mInformation;}
            Data& information() {return mInformation;}
            const Uri& uri() const {return mUri;}
            Uri& uri() {return mUri;}
            const std::list<Email>& getEmails() const {return mEmails;}
            const std::list<Phone>& getPhones() const {return mPhones;}
            const Connection& connection() const {return mConnection;}
            Connection& connection() {return mConnection;} // !dlb! optional?
            bool isConnection() const { return mConnection.mAddress != Data::Empty; }
            const std::list<Bandwidth>& bandwidths() const {return mBandwidths;}
            std::list<Bandwidth>& bandwidths() {return mBandwidths;}
            const std::list<Time>& getTimes() const {return mTimes;}
            std::list<Time>& getTimes() {return mTimes;}
            const Timezones& getTimezones() const {return mTimezones;}
            const Encryption& getEncryption() const {return mEncryption;}
            const Encryption& encryption() const {return mEncryption;}
            Encryption& encryption() {return mEncryption;}
            const std::list<Medium>& media() const {return mMedia;}
            std::list<Medium>& media() {return mMedia;}

            void addEmail(const Email& email);
            void addPhone(const Phone& phone);
            void addBandwidth(const Bandwidth& bandwidth);
            void addTime(const Time& t);
            void addMedium(const Medium& medium);
            void clearMedium() {  mMedia.clear(); }
            void clearAttribute(const Data& key);
            void addAttribute(const Data& key, const Data& value = Data::Empty);
            bool exists(const Data& key) const;
            const std::list<Data>& getValues(const Data& key) const;

         private:
            int mVersion;
            Origin mOrigin;
            Data mName;
            std::list<Medium> mMedia;

            // applies to all Media where unspecified
            Data mInformation;
            Uri mUri;
            std::list<Email> mEmails;
            std::list<Phone> mPhones;
            Connection mConnection;
            std::list<Bandwidth> mBandwidths;
            std::list<Time> mTimes;
            Timezones mTimezones;
            Encryption mEncryption;
            AttributeHelper mAttributeHelper;

            friend class SdpContents;
      };

      SdpContents();
      SdpContents(HeaderFieldValue* hfv, const Mime& contentTypes);
      ~SdpContents();

      // !nash! there is no need for overriding copy ctor as every members gets copied
      //SdpContents(const SdpContents& rhs);
      SdpContents& operator=(const SdpContents& rhs);

      virtual Contents* clone() const;

      virtual Data getBodyData() const;

      Session& session() {checkParsed(); return mSession;}
      const Session& session() const {checkParsed(); return mSession;}

      virtual std::ostream& encodeParsed(std::ostream& str) const;
      virtual void parse(ParseBuffer& pb);
      static const Mime& getStaticType() ;

      static bool init();

   private:
      SdpContents(const Data& data, const Mime& contentTypes);
      Session mSession;
};

static bool invokeSdpContentsInit = SdpContents::init();

typedef SdpContents::Session::Codec Codec;

bool operator==(const SdpContents::Session::Codec& lhs,
                const SdpContents::Session::Codec& rhs);

std::ostream& operator<<(std::ostream& str, const SdpContents::Session::Codec& codec);

}

#endif

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