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udpst_common.h
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/*
* Copyright (c) 2020, Broadband Forum
* Copyright (c) 2020, AT&T Communications
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*
* UDP Speed Test - udpst_common.h
*
* This file contains the common and time-related constants and macros.
*
*/
//----------------------------------------------------------------------------
//
// Common
//
typedef int BOOL;
#define TRUE 1 // Boolean true
#define FALSE 0 // Boolean false
//----------------------------------------------------------------------------
//
// Time-related
//
#define SECINDAY (60 * 60 * 24) // sec in a day
#define MSECINSEC 1000 // msec in a second
#define MSECINMIN (MSECINSEC * 60) // msec in a minute
#define MSECINDAY (SECINDAY * MSECINSEC) // msec in a day
#define USECINSEC 1000000 // usec in a second
#define USECINMSEC 1000 // usec in a msec
#define USECADJ (USECINMSEC / 2) // usec adjustment for rounding
#define NSECINSEC 1000000000 // nsec in a sec
#define NSECINMSEC 1000000 // nsec in a msec
#define NSECINUSEC 1000 // nsec in a usec
#define NSECADJ (NSECINUSEC / 2) // nsec adjustment for rounding
#define NSECADJ_MSEC (NSECINMSEC / 2) // nsec adjustment for rounding
//----------------------------------------------------------------------------
// Macros for timespec operations
//----------------------------------------------------------------------------
//
// Add timespec (keep nsec within bounds)
//
#define tspecplus(a, b, result) \
do { \
(result)->tv_sec = (a)->tv_sec + (b)->tv_sec; \
(result)->tv_nsec = (a)->tv_nsec + (b)->tv_nsec; \
while ((result)->tv_nsec >= NSECINSEC) { \
++(result)->tv_sec; \
(result)->tv_nsec -= NSECINSEC; \
} \
} while (0)
//
// Subtract timespec (keep nsec within bounds)
//
#define tspecminus(a, b, result) \
do { \
(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
(result)->tv_nsec = (a)->tv_nsec - (b)->tv_nsec; \
while ((result)->tv_nsec < 0) { \
--(result)->tv_sec; \
(result)->tv_nsec += NSECINSEC; \
} \
} while (0)
//
// Copy timespec
//
#define tspeccpy(d, s) \
do { \
(d)->tv_sec = (s)->tv_sec; \
(d)->tv_nsec = (s)->tv_nsec; \
} while (0)
//
// Compare timespec values
//
#define tspeccmp(a, b, CMP) (((a)->tv_sec == (b)->tv_sec) ? ((a)->tv_nsec CMP(b)->tv_nsec) : ((a)->tv_sec CMP(b)->tv_sec))
//
// Convert timespec to us
//
#define tspecusec(a) (((a)->tv_sec * USECINSEC) + (((a)->tv_nsec + NSECADJ) / NSECINUSEC))
//
// Convert timespec to ms
//
#define tspecmsec(a) (((a)->tv_sec * MSECINSEC) + (((a)->tv_nsec + NSECADJ_MSEC) / NSECINMSEC))
//
// Test and clear timespec
//
#define tspecisset(tsp) ((tsp)->tv_sec || (tsp)->tv_nsec)
#define tspecclear(tsp) ((tsp)->tv_sec = (tsp)->tv_nsec = 0)
//----------------------------------------------------------------------------