1 /* 2 * iperf, Copyright (c) 2014, The Regents of the University of 3 * California, through Lawrence Berkeley National Laboratory (subject 4 * to receipt of any required approvals from the U.S. Dept. of 5 * Energy). All rights reserved. 6 * 7 * If you have questions about your rights to use or distribute this 8 * software, please contact Berkeley Lab's Technology Transfer 9 * Department at [email protected]. 10 * 11 * NOTICE. This software is owned by the U.S. Department of Energy. 12 * As such, the U.S. Government has been granted for itself and others 13 * acting on its behalf a paid-up, nonexclusive, irrevocable, 14 * worldwide license in the Software to reproduce, prepare derivative 15 * works, and perform publicly and display publicly. Beginning five 16 * (5) years after the date permission to assert copyright is obtained 17 * from the U.S. Department of Energy, and subject to any subsequent 18 * five (5) year renewals, the U.S. Government is granted for itself 19 * and others acting on its behalf a paid-up, nonexclusive, 20 * irrevocable, worldwide license in the Software to reproduce, 21 * prepare derivative works, distribute copies to the public, perform 22 * publicly and display publicly, and to permit others to do so. 23 * 24 * This code is distributed under a BSD style license, see the LICENSE 25 * file for complete information. 26 */ 27 #ifndef __IPERF_UTIL_H 28 #define __IPERF_UTIL_H 29 30 #include "cjson.h" 31 #include <sys/select.h> 32 #include <stddef.h> 33 34 int readentropy(void *out, size_t outsize); 35 36 void make_cookie(char *); 37 38 int is_closed(int); 39 40 double timeval_to_double(struct timeval *tv); 41 42 int timeval_equals(struct timeval *tv0, struct timeval *tv1); 43 44 double timeval_diff(struct timeval *tv0, struct timeval *tv1); 45 46 int delay(int64_t ns); 47 48 void cpu_util(double pcpu[3]); 49 50 const char* get_system_info(void); 51 52 const char* get_optional_features(void); 53 54 cJSON* iperf_json_printf(const char *format, ...); 55 56 void iperf_dump_fdset(FILE *fp, char *str, int nfds, fd_set *fds); 57 58 #endif 59