GroupEId.hh 1.9 KB

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  1. /**********
  2. This library is free software; you can redistribute it and/or modify it under
  3. the terms of the GNU Lesser General Public License as published by the
  4. Free Software Foundation; either version 3 of the License, or (at your
  5. option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
  6. This library is distributed in the hope that it will be useful, but WITHOUT
  7. ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  8. FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
  9. more details.
  10. You should have received a copy of the GNU Lesser General Public License
  11. along with this library; if not, write to the Free Software Foundation, Inc.,
  12. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  13. **********/
  14. // "multikit" Multicast Application Shell
  15. // Copyright (c) 1996-2019, Live Networks, Inc. All rights reserved
  16. // "Group Endpoint Id"
  17. // C++ header
  18. #ifndef _GROUPEID_HH
  19. #define _GROUPEID_HH
  20. #ifndef _BOOLEAN_HH
  21. #include "Boolean.hh"
  22. #endif
  23. #ifndef _NET_ADDRESS_HH
  24. #include "NetAddress.hh"
  25. #endif
  26. class GroupEId {
  27. public:
  28. GroupEId(struct in_addr const& groupAddr,
  29. portNumBits portNum, u_int8_t ttl);
  30. // used for a 'source-independent multicast' group
  31. GroupEId(struct in_addr const& groupAddr,
  32. struct in_addr const& sourceFilterAddr,
  33. portNumBits portNum);
  34. // used for a 'source-specific multicast' group
  35. struct in_addr const& groupAddress() const { return fGroupAddress; }
  36. struct in_addr const& sourceFilterAddress() const { return fSourceFilterAddress; }
  37. Boolean isSSM() const;
  38. portNumBits portNum() const { return fPortNum; }
  39. u_int8_t ttl() const { return fTTL; }
  40. private:
  41. void init(struct in_addr const& groupAddr,
  42. struct in_addr const& sourceFilterAddr,
  43. portNumBits portNum,
  44. u_int8_t ttl);
  45. private:
  46. struct in_addr fGroupAddress;
  47. struct in_addr fSourceFilterAddress;
  48. portNumBits fPortNum; // in network byte order
  49. u_int8_t fTTL;
  50. };
  51. #endif