1 | /*
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2 | * TOPPERS ECHONET Lite Communication Middleware
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3 | *
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4 | * Copyright (C) 2018 Cores Co., Ltd. Japan
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5 | *
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6 | * ä¸è¨èä½æ¨©è
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7 | ã¯ï¼ä»¥ä¸ã®(1)ï½(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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8 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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9 | * å¤ã»åé
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10 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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11 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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12 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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13 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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14 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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15 | * ç¨ã§ããå½¢ã§åé
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16 | å¸ããå ´åã«ã¯ï¼åé
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17 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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18 | * è
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19 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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20 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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21 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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22 | * ç¨ã§ããªãå½¢ã§åé
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23 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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24 | * ã¨ï¼
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25 | * (a) åé
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26 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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27 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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28 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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29 | * (b) åé
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30 | å¸ã®å½¢æ
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31 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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32 | * å ±åãããã¨ï¼
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33 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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34 | * 害ãããï¼ä¸è¨èä½æ¨©è
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35 | ããã³TOPPERSããã¸ã§ã¯ããå
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36 | 責ãããã¨ï¼
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37 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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38 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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39 | ããã³TOPPERSããã¸ã§ã¯ãã
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40 | * å
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41 | 責ãããã¨ï¼
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42 | *
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43 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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44 | ã
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45 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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46 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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47 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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48 | * ã®è²¬ä»»ãè² ããªãï¼
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49 | *
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50 | * @(#) $Id: ntp_cli.c 388 2019-05-22 11:25:18Z coas-nagasima $
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51 | */
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52 |
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53 | /*
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54 | * NTP ã¯ã©ã¤ã¢ã³ã
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55 | */
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56 |
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57 | #include <string.h>
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58 | #include <string.h>
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59 | #include <time.h>
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60 |
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61 | #if defined(TARGET_KERNEL_ASP)
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62 |
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63 | #include <kernel.h>
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64 | #include <sil.h>
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65 | #include <t_syslog.h>
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66 | #include "kernel_cfg.h"
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67 | #include <stdio.h>
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68 |
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69 | #endif /* of #if defined(TARGET_KERNEL_ASP) */
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70 |
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71 | #if defined(TARGET_KERNEL_JSP)
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72 |
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73 | #include <t_services.h>
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74 | #include "kernel_id.h"
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75 | #include "tinet_id.h"
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76 |
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77 | #endif /* of #if defined(TARGET_KERNEL_JSP) */
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78 |
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79 | #include <netinet/in.h>
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80 | #include <netinet/in_itron.h>
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81 |
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82 | #include <netapp/netapp.h>
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83 | #include <netapp/netapp_var.h>
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84 | #include "ntp_cli.h"
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85 |
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86 | /* NTP ãµã¼ãã®ãã¼ãçªå· */
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87 |
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88 | #define NTP_SRV_PORTNO UINT_C(123)
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89 |
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90 | /* NTP ãµã¼ãã®URL */
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91 |
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92 | #define NTP_SRV_URL "ntp.nict.jp"
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93 |
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94 | /* éä¿¡éé */
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95 |
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96 | #define SLP_ITV (60*SYSTIM_HZ)
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97 |
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98 | /* é¢æ° */
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99 |
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100 | void ntp_cli_update_time(T_NTP_CLI_CONTEXT *nc);
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101 | ER ntp_cli_time_synchronization(T_NTP_CLI_CONTEXT *nc, ntp_mode_t mode);
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102 | void ntp_cli_read_time(T_NTP_CLI_CONTEXT *nc, struct timespec *tp);
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103 | void ntp_cli_write_time(T_NTP_CLI_CONTEXT *nc, struct timespec *tp);
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104 | void ntp_cli_read_data(T_NTP_CLI_CONTEXT *nc);
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105 |
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106 | /*
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107 | * å
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108 | ¨åå¤æ°
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109 | */
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110 |
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111 | T_NTP_CLI_CONTEXT ntp_cli;
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112 |
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113 | /* UNIX:1970/1/1 - NTP:1900/1/1 */
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114 | #define TIME_OFS (25567ll * 24 * 60 * 60)
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115 |
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116 | void set_systime_to_ntptime(struct timespec *tp, T_NTP_TIMESTAMP *timestamp)
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117 | {
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118 | timestamp->integer = htonl((uint32_t)(tp->tv_sec + TIME_OFS));
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119 | timestamp->fraction = htonl((((unsigned long long)tp->tv_nsec) << 32) / 1000000000ll);
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120 | }
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121 |
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122 | void set_ntptime_to_systime(struct timespec *tp, T_NTP_TIMESTAMP *timestamp)
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123 | {
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124 | tp->tv_sec = ntohl(timestamp->integer) - TIME_OFS;
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125 | tp->tv_nsec = ((unsigned long long)(ntohl(timestamp->fraction) * 1000000000ll)) >> 32;
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126 | }
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127 |
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128 | void add_timestamp(T_NTP_TIMESTAMP *dst, T_NTP_TIMESTAMP *a, T_NTP_TIMESTAMP *b)
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129 | {
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130 | uint32_t ai = ntohl(a->integer);
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131 | uint32_t af = ntohl(a->fraction);
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132 | uint32_t bi = ntohl(b->integer);
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133 | uint32_t bf = ntohl(b->fraction);
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134 | uint32_t f = af + bf;
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135 | uint32_t o = ((f < af) || (f < bf)) ? 1u : 0;
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136 | uint32_t i = ai + bi + o;
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137 | dst->integer = htonl(i);
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138 | dst->fraction = htonl(f);
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139 | }
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140 |
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141 | void sub_timestamp(T_NTP_TIMESTAMP *dst, T_NTP_TIMESTAMP *a, T_NTP_TIMESTAMP *b)
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142 | {
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143 | uint32_t ai = ntohl(a->integer);
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144 | uint32_t af = ntohl(a->fraction);
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145 | uint32_t bi = ntohl(b->integer);
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146 | uint32_t bf = ntohl(b->fraction);
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147 | uint32_t o = (af < bf) ? 1u : 0u;
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148 | uint32_t f = af - bf;
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149 | uint32_t i = ai - bi - o;
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150 | dst->integer = htonl(i);
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151 | dst->fraction = htonl(f);
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152 | }
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153 |
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154 | void div2_timestamp(T_NTP_TIMESTAMP *a)
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155 | {
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156 | uint32_t ai = ntohl(a->integer);
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157 | uint32_t af = ntohl(a->fraction);
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158 |
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159 | if ((ai & 1) != 0) {
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160 | ai >>= 1;
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161 | af >>= 1;
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162 | af |= 0x80000000u;
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163 | }
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164 | else {
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165 | ai >>= 1;
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166 | af >>= 1;
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167 | }
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168 |
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169 | a->integer = htonl(ai);
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170 | a->fraction = htonl(af);
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171 | }
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172 |
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173 | #define NTP_POLL_ASYNC 10 // 1024ç§æ¯ã«æå»åãåãã
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174 | #define NTP_POLL_NORMAL 16 // 65536ç§æ¯ã«æå»åãåãã
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175 |
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176 | void ntp_cli_initialize(T_NTP_CLI_CONTEXT *nc, ID cepid)
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177 | {
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178 | nc->cepid = cepid;
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179 | nc->state = NTP_CLI_STATE_ASYNC;
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180 | nc->timer = TMO_FEVR;
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181 | nc->snd_rmt.portno = NTP_SRV_PORTNO;
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182 | nc->snd_rmt.ipaddr = IPV4_ADDRANY;
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183 | nc->rcv_rmt.portno = 0;
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184 | nc->rcv_rmt.ipaddr = IPV4_ADDRANY;
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185 | }
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186 |
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187 | void ntp_cli_execute()
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188 | {
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189 | ntp_cli.exe_flag = 1;
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190 | syscall(wup_tsk(ntp_cli.tskid));
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191 | }
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192 |
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193 | void ntp_cli_wakeup(T_NTP_CLI_CONTEXT *nc)
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194 | {
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195 | int rcv_flag = nc->rcv_flag;
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196 | nc->rcv_flag = 0;
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197 |
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198 | if (rcv_flag > 0) {
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199 | ntp_cli_read_data(nc);
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200 | return;
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201 | }
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202 |
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203 | if (nc->exe_flag != 0) {
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204 | nc->exe_flag = 0;
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205 |
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206 | nc->state = NTP_CLI_STATE_ASYNC;
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207 | nc->timer = 0;
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208 | }
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209 | }
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210 |
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211 | void ntp_cli_read_data(T_NTP_CLI_CONTEXT *nc)
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212 | {
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213 | struct timespec tp;
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214 | T_NTP_MSG *ntp = &nc->ntp_msg;
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215 |
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216 | // NTPæå»å¿çã®å ´å
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217 | if ((ntp->mode == NTP_MODE_SERVER) || (ntp->mode == NTP_MODE_BROADCAST)) {
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218 | switch (nc->state) {
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219 | case NTP_CLI_STATE_RESOLVE_ADDR:
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220 | case NTP_CLI_STATE_ASYNC:
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221 | break;
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222 | case NTP_CLI_STATE_REQUEST:
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223 | // ãµã¼ãã¼ããã®å¿çæå»ãåå¾
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224 | memcpy(&nc->receive_timestamp, &ntp->receive_timestamp, sizeof(nc->receive_timestamp));
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225 | memcpy(&nc->transmit_timestamp, &ntp->transmit_timestamp, sizeof(nc->transmit_timestamp));
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226 |
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227 | // ç¾å¨æå»åå¾
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228 | ntp_cli_read_time(nc, &tp);
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229 |
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230 | // NTPåç
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231 | §æå»ã«ç¾å¨æå»ãè¨å®
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232 | set_systime_to_ntptime(&tp, &nc->recv_resp_timestamp);
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233 |
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234 | // æå»ãæ´æ°
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235 | ntp_cli_update_time(nc);
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236 |
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237 | nc->state = NTP_CLI_STATE_SYNC;
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238 | nc->poll = NTP_POLL_NORMAL;
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239 | nc->timer = (1 << nc->poll) * 1000 * 1000;
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240 | break;
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241 | case NTP_CLI_STATE_SYNC:
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242 | break;
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243 | }
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244 | }
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245 | // NTPæå»è¦æ±ã®å ´å
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246 | else if (ntp->mode == NTP_MODE_CLIENT) {
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247 | // ç¾å¨æå»åå¾
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248 | ntp_cli_read_time(nc, &tp);
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249 |
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250 | // NTPåä¿¡ã»éä¿¡æå»ã«ç¾å¨æå»ãè¨å®
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251 | set_systime_to_ntptime(&tp, &nc->receive_timestamp);
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252 | set_systime_to_ntptime(&tp, &nc->transmit_timestamp);
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253 |
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254 | // NTPãã±ããéä¿¡
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255 | ntp_cli_time_synchronization(nc, NTP_MODE_SERVER);
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256 | }
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257 | }
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258 |
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259 | void ntp_cli_update_time(T_NTP_CLI_CONTEXT *nc)
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260 | {
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261 | struct timespec tp;
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262 | T_NTP_TIMESTAMP dt1, dt2, ofs;
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263 |
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264 | sub_timestamp(&dt1, &nc->receive_timestamp, &nc->originate_timestamp);
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265 | sub_timestamp(&dt2, &nc->recv_resp_timestamp, &nc->transmit_timestamp);
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266 | sub_timestamp(&ofs, &dt1, &dt2);
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267 | div2_timestamp(&ofs);
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268 |
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269 | // å·®ã大ããå ´åã¯ãµã¼ãã¼ã®éä¿¡æéãè¨å®
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270 | if (ntohl(ofs.integer) > 2) {
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271 | memcpy(&nc->reference_timestamp, &nc->transmit_timestamp, sizeof(nc->transmit_timestamp));
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272 | }
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273 | else {
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274 | add_timestamp(&nc->reference_timestamp, &nc->recv_resp_timestamp, &ofs);
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275 | }
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276 |
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277 | set_ntptime_to_systime(&tp, &nc->reference_timestamp);
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278 |
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279 | ntp_cli_write_time(nc, &tp);
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280 |
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281 | nc->buf[0] = '\0';
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282 | #ifdef __NEED_struct_timespec
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283 | if (ctime_r(&tp.tv_sec, nc->buf) != NULL)
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284 | #else
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285 | if (ctime_s(nc->buf, sizeof(nc->buf), &tp.tv_sec) == 0)
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286 | #endif
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287 | {
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288 | /* æ¹è¡ã³ã¼ãã®åé¤ */
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289 | int len = strnlen(nc->buf, sizeof(nc->buf) - 1);
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290 | nc->buf[len - 1] = '\0';
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291 | }
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292 | else {
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293 | nc->buf[0] = '\0';
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294 | }
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295 |
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296 | syslog(LOG_NOTICE, "[NTP CLI,%d] recv time: %s .%09u",
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297 | nc->cepid, nc->buf, tp.tv_nsec);
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298 | }
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299 |
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300 | int ntp_cli_get_timer(T_NTP_CLI_CONTEXT *nc)
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301 | {
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302 | return nc->timer;
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303 | }
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304 |
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305 | void ntp_cli_progress(T_NTP_CLI_CONTEXT *nc, TMO elapse)
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306 | {
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307 | if (nc->timer <= 0)
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308 | return;
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309 |
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310 | nc->timer -= elapse;
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311 | if (nc->timer < 0)
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312 | nc->timer = 0;
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313 | }
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314 |
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315 | void ntp_cli_timeout(T_NTP_CLI_CONTEXT *nc)
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316 | {
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317 | struct timespec tp;
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318 | char *line;
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319 |
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320 | if (nc->timer != 0)
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321 | return;
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322 |
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323 | switch (nc->state) {
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324 | case NTP_CLI_STATE_ASYNC:
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325 | #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4)
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326 | line = lookup_ipaddr(&nc->ipaddr6, NTP_SRV_URL, API_PROTO_IPV4);
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327 | if (line == NULL || !in6_is_addr_ipv4mapped(&nc->ipaddr6)) {
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328 | syslog(LOG_NOTICE, "[NTP CLI,%d] sleep %d.%03u[s], unknown host.",
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329 | nc->cepid, SLP_ITV / SYSTIM_HZ, SLP_ITV % SYSTIM_HZ);
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330 | nc->timer = SLP_ITV;
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331 | break;
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332 | }
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333 | nc->snd_rmt.ipaddr = ntohl(nc->ipaddr6.s6_addr32[3]);
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334 | #else /* of #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4) */
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335 | if ((line = lookup_ipaddr(&nc->snd_rmt.ipaddr, NTP_SRV_URL, DEFAULT_API_PROTO)) == NULL) {
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336 | syslog(LOG_NOTICE, "[NTP CLI,%d] sleep %d.%03u[s], unknown host.",
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337 | nc->cepid, SLP_ITV / SYSTIM_HZ, SLP_ITV % SYSTIM_HZ);
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338 | nc->timer = SLP_ITV;
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339 | break;
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340 | }
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341 | #endif /* of #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4) */
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342 | nc->state = NTP_CLI_STATE_RESOLVE_ADDR;
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343 | nc->timer = 1000;
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344 | /* through */
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345 | case NTP_CLI_STATE_RESOLVE_ADDR:
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346 | // ç¾å¨æå»åå¾
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347 | ntp_cli_read_time(nc, &tp);
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348 |
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349 | // NTPéå§æå»ã«ç¾å¨æå»ãè¨å®
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350 | set_systime_to_ntptime(&tp, &nc->originate_timestamp);
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351 | memset(&nc->receive_timestamp, 0, sizeof(nc->receive_timestamp));
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352 | memset(&nc->transmit_timestamp, 0, sizeof(nc->transmit_timestamp));
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353 |
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354 | // NTPãã±ããéä¿¡
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355 | ntp_cli_time_synchronization(nc, NTP_MODE_CLIENT);
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356 |
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357 | // NTPå¿çå¾
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358 | ã¡ã«é·ç§»ã500msã§ãªãã©ã¤
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359 | nc->retry = 0;
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360 | nc->state = NTP_CLI_STATE_REQUEST;
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361 | nc->timer = 500 * 1000;
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362 | break;
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363 | case NTP_CLI_STATE_REQUEST:
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364 | nc->retry++;
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365 | if (nc->retry > 3) {
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366 | nc->state = NTP_CLI_STATE_ASYNC;
|
---|
367 | nc->poll = NTP_POLL_ASYNC;
|
---|
368 | nc->timer = (1 << nc->poll) * 1000 * 1000; // 1024ç§å¾ã«æå»åæ
|
---|
369 | break;
|
---|
370 | }
|
---|
371 | // ç¾å¨æå»åå¾
|
---|
372 | ntp_cli_read_time(nc, &tp);
|
---|
373 |
|
---|
374 | // NTPéå§æå»ã«ç¾å¨æå»ãè¨å®
|
---|
375 | set_systime_to_ntptime(&tp, &nc->originate_timestamp);
|
---|
376 | memset(&nc->receive_timestamp, 0, sizeof(nc->receive_timestamp));
|
---|
377 | memset(&nc->transmit_timestamp, 0, sizeof(nc->transmit_timestamp));
|
---|
378 |
|
---|
379 | // NTPãã±ããéä¿¡
|
---|
380 | ntp_cli_time_synchronization(nc, NTP_MODE_CLIENT);
|
---|
381 |
|
---|
382 | // NTPå¿çå¾
|
---|
383 | ã¡ã«é·ç§»ã500msã§ãªãã©ã¤
|
---|
384 | nc->state = NTP_CLI_STATE_REQUEST;
|
---|
385 | nc->timer = 500 * 1000;
|
---|
386 | break;
|
---|
387 | case NTP_CLI_STATE_SYNC:
|
---|
388 | // ç¾å¨æå»åå¾
|
---|
389 | ntp_cli_read_time(nc, &tp);
|
---|
390 |
|
---|
391 | // NTPéå§æå»ã«ç¾å¨æå»ãè¨å®
|
---|
392 | set_systime_to_ntptime(&tp, &nc->originate_timestamp);
|
---|
393 | memset(&nc->receive_timestamp, 0, sizeof(nc->receive_timestamp));
|
---|
394 | memset(&nc->transmit_timestamp, 0, sizeof(nc->transmit_timestamp));
|
---|
395 |
|
---|
396 | // NTPãã±ããéä¿¡
|
---|
397 | ntp_cli_time_synchronization(nc, NTP_MODE_CLIENT);
|
---|
398 |
|
---|
399 | // NTPå¿çå¾
|
---|
400 | ã¡ã«é·ç§»ã500msã§ãªãã©ã¤
|
---|
401 | nc->state = NTP_CLI_STATE_REQUEST;
|
---|
402 | nc->timer = 500 * 1000;
|
---|
403 | break;
|
---|
404 | }
|
---|
405 | }
|
---|
406 |
|
---|
407 | ER ntp_cli_time_synchronization(T_NTP_CLI_CONTEXT *nc, ntp_mode_t mode)
|
---|
408 | {
|
---|
409 | ER_UINT len = sizeof(nc->ntp_msg);
|
---|
410 | T_NTP_MSG *ntp = &nc->ntp_msg;
|
---|
411 | ER error;
|
---|
412 |
|
---|
413 | memset(ntp, 0, len);
|
---|
414 |
|
---|
415 | ntp->leap_indicator = 0;
|
---|
416 | ntp->version_number = 4;
|
---|
417 | ntp->mode = mode;
|
---|
418 | ntp->stratum = (mode == NTP_MODE_CLIENT) ? 2 : 1;
|
---|
419 | ntp->poll = nc->poll;
|
---|
420 | ntp->precision = 0xfa; // 精度ã¯10^-6(1μs)
|
---|
421 | ntp->root_delay = htonl(0);
|
---|
422 | ntp->root_dispersion = htonl(0);
|
---|
423 | // åæã®ããã®å¤é¨çãªæ段ã®ãªããµãããã
|
---|
424 | ntp->reference_identifier[0] = 'L';
|
---|
425 | ntp->reference_identifier[1] = 'O';
|
---|
426 | ntp->reference_identifier[2] = 'C';
|
---|
427 | ntp->reference_identifier[3] = 'L';
|
---|
428 | // åç
|
---|
429 | §ã¿ã¤ã ã¹ã¿ã³ã
|
---|
430 | memcpy(&ntp->reference_timestamp, &nc->reference_timestamp, sizeof(ntp->reference_timestamp));
|
---|
431 | // éå§ã¿ã¤ã ã¹ã¿ã³ã
|
---|
432 | memcpy(&ntp->originate_timestamp, &nc->originate_timestamp, sizeof(ntp->originate_timestamp));
|
---|
433 | // åä¿¡ã¿ã¤ã ã¹ã¿ã³ã
|
---|
434 | memcpy(&ntp->receive_timestamp, &nc->receive_timestamp, sizeof(ntp->receive_timestamp));
|
---|
435 | // éä¿¡ã¿ã¤ã ã¹ã¿ã³ã
|
---|
436 | memcpy(&ntp->transmit_timestamp, &nc->transmit_timestamp, sizeof(ntp->transmit_timestamp));
|
---|
437 | // éµèå¥å
|
---|
438 | ntp->key_identifier[0] = 0x08;
|
---|
439 | ntp->key_identifier[1] = 0x18;
|
---|
440 | ntp->key_identifier[2] = 0x00;
|
---|
441 | ntp->key_identifier[3] = 0x00;
|
---|
442 |
|
---|
443 | if ((error = udp_snd_dat(nc->cepid, &nc->snd_rmt, ntp, len, TMO_NBLK)) != E_WBLK) {
|
---|
444 | syslog(LOG_NOTICE, "[NTP CLI,%d] udp_snd_dat error: %s",
|
---|
445 | nc->cepid, itron_strerror(error));
|
---|
446 | return error;
|
---|
447 | }
|
---|
448 | else
|
---|
449 | syslog(LOG_DEBUG, "[NTP CLI,%d] udp_snd_dat: to: %s.%d",
|
---|
450 | nc->cepid, ip2str(NULL, &nc->snd_rmt.ipaddr), nc->snd_rmt.portno);
|
---|
451 |
|
---|
452 | return E_OK;
|
---|
453 | }
|
---|
454 |
|
---|
455 | void ntp_cli_read_time(T_NTP_CLI_CONTEXT *nc, struct timespec *tp)
|
---|
456 | {
|
---|
457 | SYSTIM time;
|
---|
458 | ER ret;
|
---|
459 |
|
---|
460 | ret = get_tim(&time);
|
---|
461 | if (ret != E_OK) {
|
---|
462 | syslog(LOG_NOTICE, "[NTP CLI,%d] get_tim error: %s",
|
---|
463 | nc->cepid, itron_strerror(ret));
|
---|
464 | tp->tv_sec = 0;
|
---|
465 | tp->tv_nsec = 0;
|
---|
466 | return;
|
---|
467 | }
|
---|
468 |
|
---|
469 | tp->tv_sec = time / 1000000ll;
|
---|
470 | tp->tv_nsec = (time % 1000000ll) * 1000ll;
|
---|
471 | }
|
---|
472 |
|
---|
473 | void ntp_cli_write_time(T_NTP_CLI_CONTEXT *nc, struct timespec *tp)
|
---|
474 | {
|
---|
475 | SYSTIM time;
|
---|
476 | ER ret;
|
---|
477 |
|
---|
478 | time = (tp->tv_sec * 1000000ll) + (tp->tv_nsec / 1000ll);
|
---|
479 |
|
---|
480 | ret = set_tim(time);
|
---|
481 | if (ret != E_OK) {
|
---|
482 | syslog(LOG_NOTICE, "[NTP CLI,%d] set_tim error: %s",
|
---|
483 | nc->cepid, itron_strerror(ret));
|
---|
484 | }
|
---|
485 | }
|
---|
486 |
|
---|
487 | /*
|
---|
488 | * ãã³ããããã³ã°ã³ã¼ã«ã®ã³ã¼ã«ããã¯é¢æ°
|
---|
489 | */
|
---|
490 |
|
---|
491 | ER
|
---|
492 | callback_nblk_ntp_cli (ID cepid, FN fncd, void *p_parblk)
|
---|
493 | {
|
---|
494 | T_NTP_CLI_CONTEXT *nc = &ntp_cli;
|
---|
495 | ER_UINT len;
|
---|
496 |
|
---|
497 | len = *(ER_UINT*)p_parblk;
|
---|
498 | if (len < 0 && len != E_RLWAI) {
|
---|
499 | /* E_RLWAI 以å¤ã§ã0 以ä¸ã®å ´åã¯ãã¨ã©ã¼ãæå³ãã¦ããã*/
|
---|
500 | syslog(LOG_NOTICE, "[NTP CLI,%d] callback error: %s, fncd: %s", nc->cepid,
|
---|
501 | itron_strerror(len), in_strtfn(fncd));
|
---|
502 | }
|
---|
503 | else {
|
---|
504 | if (fncd == TEV_UDP_RCV_DAT) {
|
---|
505 | if ((len = udp_rcv_dat(nc->cepid, &nc->rcv_rmt, &nc->ntp_msg, len, TMO_POL)) < 0)
|
---|
506 | {
|
---|
507 | syslog(LOG_NOTICE, "[NTP CLI,%d] udp_rcv_dat error: %s", nc->cepid,
|
---|
508 | itron_strerror(len));
|
---|
509 | }
|
---|
510 | else
|
---|
511 | syslog(LOG_DEBUG, "[NTP CLI,%d] udp_rcv_dat len: %d", nc->cepid, len);
|
---|
512 |
|
---|
513 | if (len >= sizeof(nc->ntp_msg))
|
---|
514 | nc->rcv_flag = len;
|
---|
515 | else
|
---|
516 | nc->rcv_flag = 0;
|
---|
517 | }
|
---|
518 | syscall(wup_tsk(nc->tskid));
|
---|
519 | }
|
---|
520 |
|
---|
521 | return E_OK;
|
---|
522 | }
|
---|
523 |
|
---|
524 | #ifdef NTP_CLI_TASK
|
---|
525 |
|
---|
526 | /*
|
---|
527 | * NTP ã¯ã©ã¤ã¢ã³ãéä¿¡ã¿ã¹ã¯
|
---|
528 | */
|
---|
529 |
|
---|
530 | void
|
---|
531 | ntp_cli_task (intptr_t exinf)
|
---|
532 | {
|
---|
533 | T_NTP_CLI_CONTEXT *nc = &ntp_cli;
|
---|
534 | ER error, ret;
|
---|
535 | SYSTIM prev, time;
|
---|
536 | int timer;
|
---|
537 |
|
---|
538 | get_tid(&nc->tskid);
|
---|
539 | syslog(LOG_NOTICE, "[NTP CLI:%d,%d] started.", nc->tskid, (ID)exinf);
|
---|
540 |
|
---|
541 | /* åæå */
|
---|
542 | ntp_cli_initialize(nc, (ID)exinf);
|
---|
543 |
|
---|
544 | ret = get_tim(&time);
|
---|
545 | if (ret != E_OK) {
|
---|
546 | syslog(LOG_NOTICE, "[NTP CLI,%d] get_tim error: %7lu,%s",
|
---|
547 | nc->cepid, time / SYSTIM_HZ, itron_strerror(ret));
|
---|
548 | return;
|
---|
549 | }
|
---|
550 |
|
---|
551 | while (true) {
|
---|
552 | prev = time;
|
---|
553 |
|
---|
554 | /* ã¿ã¤ãã¼åå¾ */
|
---|
555 | timer = ntp_cli_get_timer(nc);
|
---|
556 |
|
---|
557 | /* å¾
|
---|
558 | ã¡ */
|
---|
559 | error = tslp_tsk(timer);
|
---|
560 | if ((error != E_OK) && (error != E_TMOUT)) {
|
---|
561 | syslog(LOG_NOTICE, "[NTP CLI,%d] tslp_tsk error: %s %d",
|
---|
562 | nc->cepid, itron_strerror(error), timer);
|
---|
563 | break;
|
---|
564 | }
|
---|
565 |
|
---|
566 | ret = get_tim(&time);
|
---|
567 | if (ret != E_OK) {
|
---|
568 | syslog(LOG_NOTICE, "[NTP CLI,%d] get_tim error: %s",
|
---|
569 | nc->cepid, itron_strerror(ret));
|
---|
570 | break;
|
---|
571 | }
|
---|
572 |
|
---|
573 | /* æéçµé */
|
---|
574 | ntp_cli_progress(nc, time - prev);
|
---|
575 |
|
---|
576 | /* èµ·ããããå ´å */
|
---|
577 | if (error == E_OK) {
|
---|
578 | ntp_cli_wakeup(nc);
|
---|
579 | }
|
---|
580 |
|
---|
581 | /* ã¿ã¤ã ã¢ã¦ãå¦ç */
|
---|
582 | ntp_cli_timeout(nc);
|
---|
583 | }
|
---|
584 | }
|
---|
585 |
|
---|
586 | #endif
|
---|