hash_func.h 1.4 KB

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  1. /*
  2. * $Id$
  3. *
  4. * Copyright (C) 2001-2003 FhG Fokus
  5. *
  6. * This file is part of ser, a free SIP server.
  7. *
  8. * ser is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation; either version 2 of the License, or
  11. * (at your option) any later version
  12. *
  13. * For a license to use the ser software under conditions
  14. * other than those described here, or to purchase support for this
  15. * software, please contact iptel.org by e-mail at the following addresses:
  16. * [email protected]
  17. *
  18. * ser is distributed in the hope that it will be useful,
  19. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  21. * GNU General Public License for more details.
  22. *
  23. * You should have received a copy of the GNU General Public License
  24. * along with this program; if not, write to the Free Software
  25. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  26. */
  27. #ifndef _HASH_H
  28. #define _HASH_H
  29. #include "str.h"
  30. #include "hashes.h"
  31. /* always use a power of 2 for hash table size */
  32. #define T_TABLE_POWER 16
  33. #define TABLE_ENTRIES (1 << (T_TABLE_POWER))
  34. unsigned int new_hash( str call_id, str cseq_nr );
  35. #define new_hash2(call_id, cseq_nr) \
  36. (get_hash2_raw(&(call_id), &(cseq_nr)) & (TABLE_ENTRIES-1))
  37. #define hash( cid, cseq) new_hash2( cid, cseq )
  38. #endif