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/* vim:set ft=c ts=2 sw=2 sts=2 et cindent: */
/*
* Portions created by Alan Antonuk are Copyright (c) 2013-2014 Alan Antonuk.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef AMQP_TIMER_H
#define AMQP_TIMER_H
#include <stdint.h>
#ifdef _WIN32
# ifndef WINVER
# define WINVER 0x0502
# endif
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <Winsock2.h>
#else
# include <sys/time.h>
#endif
#define AMQP_MS_PER_S 1000
#define AMQP_US_PER_MS 1000
#define AMQP_NS_PER_S 1000000000
#define AMQP_NS_PER_MS 1000000
#define AMQP_NS_PER_US 1000
#define AMQP_INIT_TIMER(structure) { \
structure.current_timestamp = 0; \
structure.timeout_timestamp = 0; \
}
typedef struct amqp_timer_t_ {
uint64_t current_timestamp;
uint64_t timeout_timestamp;
uint64_t ns_until_next_timeout;
struct timeval tv;
} amqp_timer_t;
/* Gets a monotonic timestamp in ns */
uint64_t
amqp_get_monotonic_timestamp(void);
/* Prepare timeout value and modify timer state based on timer state. */
int
amqp_timer_update(amqp_timer_t *timer, struct timeval *timeout);
#endif /* AMQP_TIMER_H */
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