[388] | 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®
|
---|
| 350 | set_systime_to_ntptime(&tp, &nc->originate_timestamp);
|
---|
| 351 | memset(&nc->receive_timestamp, 0, sizeof(nc->receive_timestamp));
|
---|
| 352 | memset(&nc->transmit_timestamp, 0, sizeof(nc->transmit_timestamp));
|
---|
| 353 |
|
---|
| 354 | // NTPãã±ããéä¿¡
|
---|
| 355 | ntp_cli_time_synchronization(nc, NTP_MODE_CLIENT);
|
---|
| 356 |
|
---|
| 357 | // NTPå¿çå¾
|
---|
| 358 | ã¡ã«é·ç§»ã500msã§ãªãã©ã¤
|
---|
| 359 | nc->retry = 0;
|
---|
| 360 | nc->state = NTP_CLI_STATE_REQUEST;
|
---|
| 361 | nc->timer = 500 * 1000;
|
---|
| 362 | break;
|
---|
| 363 | case NTP_CLI_STATE_REQUEST:
|
---|
| 364 | nc->retry++;
|
---|
| 365 | if (nc->retry > 3) {
|
---|
| 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
|
---|