1 /* dtls -- a very basic DTLS implementation 2 * 3 * Copyright (C) 2011--2013 Olaf Bergmann <bergmann@tzi.org> 4 * 5 * Permission is hereby granted, free of charge, to any person 6 * obtaining a copy of this software and associated documentation 7 * files (the "Software"), to deal in the Software without 8 * restriction, including without limitation the rights to use, copy, 9 * modify, merge, publish, distribute, sublicense, and/or sell copies 10 * of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be 14 * included in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 */ 25 26 /** 27 * @file dtls_time.h 28 * @brief Clock Handling 29 */ 30 31 #ifndef _DTLS_DTLS_TIME_H_ 32 #define _DTLS_DTLS_TIME_H_ 33 34 #include <stdint.h> 35 #include <sys/time.h> 36 37 #include "tinydtls.h" 38 39 /** 40 * @defgroup clock Clock Handling 41 * Default implementation of internal clock. You should redefine this if 42 * you do not have time() and gettimeofday(). 43 * @{ 44 */ 45 46 #ifdef WITH_CONTIKI 47 #include "clock.h" 48 #else /* WITH_CONTIKI */ 49 #include <time.h> 50 51 #ifndef CLOCK_SECOND 52 # define CLOCK_SECOND 1000 53 #endif 54 55 typedef uint32_t clock_time_t; 56 #endif /* WITH_CONTIKI */ 57 58 typedef clock_time_t dtls_tick_t; 59 60 #ifndef DTLS_TICKS_PER_SECOND 61 #define DTLS_TICKS_PER_SECOND CLOCK_SECOND 62 #endif /* DTLS_TICKS_PER_SECOND */ 63 64 void dtls_clock_init(void); 65 void dtls_ticks(dtls_tick_t *t); 66 67 /** @} */ 68 69 #endif /* _DTLS_DTLS_TIME_H_ */ 70
