[5031] | 1 | //time.c: |
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| 2 | |
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| 3 | /* |
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[5823] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2013 |
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[5031] | 5 | * |
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| 6 | * This file is part of libroar a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroar is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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| 23 | * |
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| 24 | * NOTE for everyone want's to change something and send patches: |
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| 25 | * read README and HACKING! There a addition information on |
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| 26 | * the license of this document you need to read before you send |
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| 27 | * any patches. |
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| 28 | * |
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| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 30 | * or libpulse*: |
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| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 32 | * and are therefore GPL. Because of this it may be illigal to use |
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| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 34 | */ |
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| 35 | |
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| 36 | #include "libroar.h" |
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| 37 | |
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[5363] | 38 | #ifdef ROAR_HAVE_H_SYS_TIME |
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| 39 | #include <sys/time.h> |
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| 40 | #endif |
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| 41 | #ifdef ROAR_HAVE_H_TIME |
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| 42 | #include <time.h> |
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| 43 | #endif |
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| 44 | |
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[5031] | 45 | int roar_time_to_msg(struct roar_message * mes, struct roar_time * time) { |
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| 46 | uint64_t * data; |
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| 47 | |
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| 48 | if ( mes == NULL || time == NULL ) { |
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| 49 | roar_err_set(ROAR_ERROR_FAULT); |
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| 50 | return -1; |
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| 51 | } |
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| 52 | |
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| 53 | memset(mes, 0, sizeof(struct roar_message)); |
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| 54 | |
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| 55 | data = (uint64_t*)mes->data; |
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| 56 | |
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| 57 | data[0] = ROAR_HOST2NET64(0); |
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| 58 | data[1] = ROAR_HOST2NET64(time->t_sec); |
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| 59 | data[2] = ROAR_HOST2NET64(time->t_ssec); |
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| 60 | data[3] = ROAR_HOST2NET64(time->c_freq); |
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| 61 | data[4] = ROAR_HOST2NET64(time->c_drift); |
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| 62 | |
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| 63 | mes->datalen = 5*8; |
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| 64 | |
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| 65 | if ( time->c_drift == 0 ) { |
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[5065] | 66 | mes->datalen -= 8; |
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[5031] | 67 | if ( time->c_freq == 0 ) { |
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[5065] | 68 | mes->datalen -= 8; |
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[5031] | 69 | if ( time->t_ssec == 0 ) { |
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[5065] | 70 | mes->datalen -= 8; |
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[5031] | 71 | } |
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| 72 | } |
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| 73 | } |
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| 74 | |
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| 75 | return 0; |
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| 76 | } |
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| 77 | |
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| 78 | int roar_time_from_msg(struct roar_time * time, struct roar_message * mes) { |
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| 79 | uint64_t * data; |
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| 80 | |
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| 81 | if ( mes == NULL || time == NULL ) { |
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| 82 | roar_err_set(ROAR_ERROR_FAULT); |
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| 83 | return -1; |
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| 84 | } |
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| 85 | |
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| 86 | data = (uint64_t*)mes->data; |
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| 87 | |
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| 88 | if ( mes->datalen < 8 ) { |
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| 89 | roar_err_set(ROAR_ERROR_BADMSG); |
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| 90 | return -1; |
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| 91 | } |
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| 92 | |
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| 93 | if ( mes->datalen % 8 ) { |
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| 94 | roar_err_set(ROAR_ERROR_BADMSG); |
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| 95 | return -1; |
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| 96 | } |
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| 97 | |
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| 98 | if ( ROAR_NET2HOST64(data[0]) != 0 ) { |
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| 99 | roar_err_set(ROAR_ERROR_NSVERSION); |
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| 100 | return -1; |
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| 101 | } |
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| 102 | |
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| 103 | memset(time, 0, sizeof(struct roar_time)); |
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| 104 | |
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| 105 | if ( mes->datalen >= 16 ) { |
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| 106 | time->t_sec = ROAR_NET2HOST64(data[1]); |
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| 107 | if ( mes->datalen >= 24 ) { |
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| 108 | time->t_ssec = ROAR_NET2HOST64(data[2]); |
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| 109 | if ( mes->datalen >= 32 ) { |
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| 110 | time->c_freq = ROAR_NET2HOST64(data[3]); |
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| 111 | if ( mes->datalen >= 40 ) { |
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| 112 | time->c_drift = ROAR_NET2HOST64(data[4]); |
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| 113 | } |
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| 114 | } |
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| 115 | } |
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| 116 | } |
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| 117 | |
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| 118 | return 0; |
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| 119 | } |
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| 120 | |
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| 121 | int roar_get_time (struct roar_connection * con, struct roar_time * time) { |
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| 122 | struct roar_message mes; |
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| 123 | |
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| 124 | if ( con == NULL || time == NULL ) { |
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| 125 | roar_err_set(ROAR_ERROR_FAULT); |
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| 126 | return -1; |
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| 127 | } |
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| 128 | |
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| 129 | memset(&mes, 0, sizeof(mes)); |
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| 130 | |
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| 131 | mes.cmd = ROAR_CMD_GETTIMEOFDAY; |
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| 132 | mes.stream = -1; |
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| 133 | mes.datalen = 8; /* 64 bit */ |
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| 134 | // mes.data is already cleared. |
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| 135 | |
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| 136 | if ( roar_req(con, &mes, NULL) == -1 ) |
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| 137 | return -1; |
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| 138 | |
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| 139 | if ( mes.cmd != ROAR_CMD_OK ) { |
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| 140 | return -1; |
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| 141 | } |
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| 142 | |
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| 143 | if ( roar_time_from_msg(time, &mes) == -1 ) |
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| 144 | return -1; |
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| 145 | |
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| 146 | return 0; |
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| 147 | } |
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| 148 | |
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[5065] | 149 | int roar_clock_gettime(struct roar_time * rt, int clock) { |
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| 150 | #ifdef ROAR_HAVE_GETTIMEOFDAY |
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| 151 | struct timeval tv; |
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| 152 | #elif defined(ROAR_HAVE_TIME) |
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| 153 | time_t now; |
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| 154 | #endif |
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| 155 | |
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[5068] | 156 | ROAR_DBG("roar_clock_gettime(rt=%p, clock=%i) = ?", rt, clock); |
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| 157 | |
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[5065] | 158 | if ( rt == NULL ) { |
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| 159 | roar_err_set(ROAR_ERROR_FAULT); |
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| 160 | return -1; |
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| 161 | } |
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| 162 | |
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| 163 | memset(rt, 0, sizeof(struct roar_time)); |
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| 164 | |
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| 165 | if ( clock == ROAR_CLOCK_DEFAULT ) |
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| 166 | clock = ROAR_CLOCK_REALTIME; |
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| 167 | |
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| 168 | switch (clock) { |
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| 169 | case ROAR_CLOCK_REALTIME: |
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[5075] | 170 | ROAR_DBG("roar_clock_gettime(rt=%p, clock=(%i)ROAR_CLOCK_REALTIME) = ?", rt, clock); |
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[5065] | 171 | #ifdef ROAR_HAVE_GETTIMEOFDAY |
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| 172 | if ( gettimeofday(&tv, NULL) == -1 ) { |
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| 173 | roar_err_from_errno(); |
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[5075] | 174 | ROAR_DBG("roar_clock_gettime(rt=%p, clock=(%i)ROAR_CLOCK_REALTIME) = -1 //error=%i", rt, clock, roar_error); |
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[5065] | 175 | return -1; |
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| 176 | } |
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| 177 | rt->t_sec = tv.tv_sec; |
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| 178 | rt->t_ssec = (uint64_t)tv.tv_usec * (uint64_t)18446744073709ULL; |
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[5066] | 179 | rt->c_freq = 1000000LLU*1000000000LLU; |
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[5065] | 180 | #elif defined(ROAR_HAVE_TIME) |
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| 181 | now = time(NULL); |
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| 182 | rt->t_sec = now; |
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| 183 | rt->c_freq = 1000000000LLU; |
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| 184 | #else |
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[5075] | 185 | ROAR_DBG("roar_clock_gettime(rt=%p, clock=(%i)ROAR_CLOCK_REALTIME) = -1 // error=NOTSUP", rt, clock); |
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[5065] | 186 | roar_err_set(ROAR_ERROR_NOTSUP); |
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| 187 | return -1; |
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| 188 | #endif |
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[5075] | 189 | ROAR_DBG("roar_clock_gettime(rt=%p, clock=(%i)ROAR_CLOCK_REALTIME) = 0", rt, clock); |
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[5065] | 190 | return 0; |
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| 191 | break; |
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| 192 | } |
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| 193 | |
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[5068] | 194 | ROAR_DBG("roar_clock_gettime(rt=%p, clock=%i) = -1 // error=NOTSUP", rt, clock); |
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[5065] | 195 | roar_err_set(ROAR_ERROR_NOTSUP); |
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| 196 | return -1; |
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| 197 | } |
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| 198 | |
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[5031] | 199 | //ll |
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