[270] | 1 | /*
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| 2 | * TINET (TCP/IP Protocol Stack)
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| 3 | *
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| 4 | * Copyright (C) 2001-2009 by Dep. of Computer Science and Engineering
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| 5 | * Tomakomai National College of Technology, JAPAN
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| 6 | *
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| 7 | * ä¸è¨èä½æ¨©è
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| 8 | ã¯ï¼ä»¥ä¸ã® (1)ï½(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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| 9 | * ã«ãã£ã¦å
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| 10 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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| 11 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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| 12 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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| 13 | å¸ï¼ä»¥ä¸ï¼
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| 14 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 15 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 16 | * 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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| 17 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 18 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 19 | * ç¨ã§ããå½¢ã§åé
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| 20 | å¸ããå ´åã«ã¯ï¼åé
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| 21 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 22 | * è
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| 23 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 24 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 25 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 26 | * ç¨ã§ããªãå½¢ã§åé
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| 27 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®æ¡ä»¶ãæºãããã¨ï¼
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| 28 | * (a) åé
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| 29 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 30 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 31 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 32 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 33 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 34 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 35 | 責ãããã¨ï¼
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| 36 | *
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| 37 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 38 | ã
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| 39 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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| 40 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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| 41 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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| 42 | *
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| 43 | * @(#) $Id: udp_echo_srv.c 270 2017-02-09 04:03:47Z coas-nagasima $
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| 44 | */
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| 45 |
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| 46 | /*
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| 47 | * UDP ECHO ãµã¼ã
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| 48 | */
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| 49 |
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| 50 | #include <string.h>
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| 51 |
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| 52 | #ifdef TARGET_KERNEL_ASP
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| 53 |
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| 54 | #include <kernel.h>
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| 55 | #include <sil.h>
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| 56 | #include <t_syslog.h>
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| 57 | #include "kernel_cfg.h"
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| 58 |
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| 59 | #endif /* of #ifdef TARGET_KERNEL_ASP */
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| 60 |
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| 61 | #ifdef TARGET_KERNEL_JSP
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| 62 |
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| 63 | #include <t_services.h>
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| 64 | #include "kernel_id.h"
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| 65 | #include "tinet_id.h"
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| 66 |
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| 67 | #endif /* of #ifdef TARGET_KERNEL_JSP */
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| 68 |
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| 69 | #include <tinet_defs.h>
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| 70 | #include <tinet_config.h>
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| 71 |
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| 72 | #include <net/net.h>
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| 73 | #include <net/net_timer.h>
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| 74 |
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| 75 | #include <netinet/in.h>
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| 76 | #include <netinet/in_itron.h>
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| 77 |
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| 78 | #include <netapp/netapp.h>
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| 79 | #include <netapp/netapp_var.h>
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| 80 | #include <netapp/echo.h>
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| 81 |
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| 82 | #ifdef USE_UDP_ECHO_SRV
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| 83 |
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| 84 | /*
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| 85 | * åä¿¡ã¿ã¤ã ã¢ã¦ã
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| 86 | */
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| 87 |
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| 88 | #define RCV_TMOUT TMO_FEVR
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| 89 | //#define RCV_TMOUT (30*ULONG_C(1000))
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| 90 |
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| 91 | #define BUF_SIZE 2048
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| 92 |
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| 93 | static char echo_rcv_buf[BUF_SIZE];
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| 94 | static T_IPEP dst;
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| 95 |
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| 96 | #ifdef USE_UDP_CALL_BACK
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| 97 |
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| 98 | /*
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| 99 | * ã³ã¼ã«ããã¯é¢æ°
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| 100 | */
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| 101 |
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| 102 | ER
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| 103 | callback_udp_echo_srv (ID cepid, FN fncd, void *p_parblk)
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| 104 | {
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| 105 | ER_UINT len;
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| 106 | SYSTIM now;
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| 107 |
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| 108 | if ((len = UDP_RCV_DAT(cepid, &dst, echo_rcv_buf, sizeof(echo_rcv_buf), TMO_FEVR)) >= 0) {
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| 109 | echo_rcv_buf[len] = '\0';
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| 110 | get_tim(&now);
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| 111 | syslog(LOG_NOTICE, "[UES:%02d UCB] received, %6ld, from: %s.%d,\n"
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| 112 | " msg: '%s'",
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| 113 | cepid, now / SYSTIM_HZ, IP2STR(NULL, &dst.ipaddr), dst.portno, echo_rcv_buf);
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| 114 | if (len > 0) {
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| 115 | len = UDP_SND_DAT(cepid, &dst, echo_rcv_buf, len, TMO_FEVR);
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| 116 | get_tim(&now);
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| 117 | if (len >= 0)
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| 118 | syslog(LOG_NOTICE, "[UES:%02d UCB] sent, %6ld, len: %d",
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| 119 | cepid, now / SYSTIM_HZ, len);
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| 120 | else
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| 121 | syslog(LOG_NOTICE, "[UES:%02d UCB] send error, %6ld: %s",
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| 122 | cepid, now / SYSTIM_HZ, itron_strerror(len));
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| 123 | }
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| 124 | len = E_OK;
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| 125 | }
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| 126 | else {
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| 127 | get_tim(&now);
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| 128 | syslog(LOG_NOTICE, "[UES:%02d UCB] recv error, %6ld: %s",
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| 129 | cepid, now / SYSTIM_HZ, itron_strerror(len));
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| 130 | }
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| 131 |
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| 132 | return len;
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| 133 | }
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| 134 |
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| 135 | #else /* of #ifdef USE_UDP_CALL_BACK */
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| 136 |
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| 137 | #ifdef USE_UDP_NON_BLOCKING
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| 138 |
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| 139 | /*
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| 140 | * å¤æ°
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| 141 | */
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| 142 |
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| 143 | static ER_UINT nblk_len;
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| 144 |
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| 145 | /*
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| 146 | * ãã³ããããã³ã°ã³ã¼ã«ã®ã³ã¼ã«ããã¯é¢æ°
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| 147 | */
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| 148 |
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| 149 | ER
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| 150 | callback_nblk_udp_echo_srv (ID cepid, FN fncd, void *p_parblk)
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| 151 | {
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| 152 | SYSTIM now;
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| 153 |
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| 154 | get_tim(&now);
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| 155 | nblk_len = *(ER_UINT*)p_parblk;
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| 156 | if (nblk_len < 0) { /* 0 以ä¸ã®å ´åã¯ãã¨ã©ã¼ã³ã¼ã */
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| 157 | syslog(LOG_NOTICE, "[UES:%02d CBR] error, %6ld: %s, fncd: %s",
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| 158 | cepid, now / SYSTIM_HZ, itron_strerror(nblk_len), in_strtfn(fncd));
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| 159 | }
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| 160 | else if (fncd == TFN_UDP_RCV_DAT) {
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| 161 | echo_rcv_buf[nblk_len] = '\0';
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| 162 | syslog(LOG_NOTICE, "[UES:%02d CBR] received, %6ld, from: %s.%d,\n"
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| 163 | " msg: '%s'",
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| 164 | cepid, now / SYSTIM_HZ, IP2STR(NULL, &dst.ipaddr), dst.portno, echo_rcv_buf);
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| 165 | }
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| 166 | syscall(wup_tsk(UDP_ECHO_SRV_TASK));
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| 167 | return E_OK;
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| 168 | }
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| 169 |
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| 170 | /*
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| 171 | * UDP ECHO ãµã¼ã
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| 172 | */
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| 173 |
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| 174 | ER
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| 175 | udp_echo_srv (ID cepid)
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| 176 | {
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| 177 | ER error;
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| 178 | SYSTIM now;
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| 179 |
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| 180 | if ((error = UDP_RCV_DAT(cepid, &dst, echo_rcv_buf, sizeof(echo_rcv_buf), TMO_NBLK)) != E_WBLK) {
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| 181 | get_tim(&now);
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| 182 | syslog(LOG_NOTICE, "[UES:%02d RCV] recv error, %6ld: %s", cepid, now / SYSTIM_HZ, itron_strerror(error));
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| 183 | return error;
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| 184 | }
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| 185 |
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| 186 | syscall(slp_tsk());
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| 187 | if (nblk_len < 0)
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| 188 | error = nblk_len;
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| 189 | else {
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| 190 | if ((error = UDP_SND_DAT(cepid, &dst, echo_rcv_buf, nblk_len, TMO_NBLK)) != E_WBLK) {
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| 191 | get_tim(&now);
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| 192 | syslog(LOG_NOTICE, "[UES:%02d SND] send error, %6ld: %s",
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| 193 | cepid, now / SYSTIM_HZ, itron_strerror(error));
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| 194 | return error;
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| 195 | }
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| 196 |
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| 197 | syscall(slp_tsk());
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| 198 | if (nblk_len < 0)
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| 199 | error = nblk_len;
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| 200 | else {
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| 201 | get_tim(&now);
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| 202 | syslog(LOG_NOTICE, "[UES:%02d SND] sent, %6ld, len: %d", cepid, now / SYSTIM_HZ, nblk_len);
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| 203 | error = E_OK;
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| 204 | }
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| 205 | }
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| 206 |
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| 207 | return error;
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| 208 | }
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| 209 |
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| 210 | #else /* of #ifdef USE_UDP_NON_BLOCKING */
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| 211 |
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| 212 | /*
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| 213 | * UDP ECHO ãµã¼ã
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| 214 | */
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| 215 |
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| 216 | ER
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| 217 | udp_echo_srv (ID cepid)
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| 218 | {
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| 219 | ER_UINT len;
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| 220 | SYSTIM now;
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| 221 |
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| 222 | if ((len = UDP_RCV_DAT(cepid, &dst, echo_rcv_buf, sizeof(echo_rcv_buf), RCV_TMOUT)) >= 0) {
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| 223 | get_tim(&now);
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| 224 | echo_rcv_buf[len] = '\0';
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| 225 | syslog(LOG_NOTICE, "[UES:%02d RCV] received, %6ld, from: %s.%d,\n"
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| 226 | " msg: '%s'",
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| 227 | cepid, now / SYSTIM_HZ, IP2STR(NULL, &dst.ipaddr), dst.portno, echo_rcv_buf);
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| 228 | if (len > 0) {
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| 229 | len = UDP_SND_DAT(cepid, &dst, echo_rcv_buf, len, TMO_FEVR);
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| 230 | get_tim(&now);
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| 231 | if (len >= 0)
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| 232 | syslog(LOG_NOTICE, "[UES:%02d SND] sent, %6ld, len: %d",
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| 233 | cepid, now / SYSTIM_HZ, (uint16_t)len);
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| 234 | else
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| 235 | syslog(LOG_NOTICE, "[UES:%02d SND] send error, %6ld: %s",
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| 236 | cepid, now / SYSTIM_HZ, itron_strerror(len));
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| 237 | }
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| 238 | }
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| 239 | else {
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| 240 | get_tim(&now);
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| 241 | syslog(LOG_NOTICE, "[UES:%02d RCV] recv error, %6ld: %s", cepid, now / SYSTIM_HZ, itron_strerror(len));
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| 242 | }
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| 243 |
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| 244 | return len >= 0 || len == E_TMOUT ? E_OK : len;
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| 245 | }
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| 246 |
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| 247 | #endif /* of #ifdef USE_UDP_NON_BLOCKING */
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| 248 |
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| 249 | /*
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| 250 | * UDP ECHO ãµã¼ãã¿ã¹ã¯
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| 251 | */
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| 252 |
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| 253 | #ifdef USE_UDP_EXTENTIONS
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| 254 |
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| 255 | void
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| 256 | udp_echo_srv_task (intptr_t exinf)
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| 257 | {
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| 258 | ID tskid, cepid;
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| 259 | ER error;
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| 260 | T_UDP_CCEP ccep;
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| 261 |
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| 262 | get_tid(&tskid);
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| 263 | syslog(LOG_NOTICE, "[UDP ECHO SRV:%d,%d] started.", tskid, (ID)exinf);
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| 264 | while (true) {
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| 265 |
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| 266 | syscall(slp_tsk());
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| 267 |
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| 268 | ccep.cepatr = UINT_C(0);
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| 269 | ccep.myaddr.portno = UINT_C(7);
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| 270 |
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| 271 | #if defined(SUPPORT_INET4)
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| 272 | ccep.myaddr.ipaddr = IPV4_ADDRANY;
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| 273 | #endif
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| 274 |
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| 275 | #if defined(SUPPORT_INET6)
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| 276 | memcpy(&ccep.myaddr.ipaddr, &ipv6_addrany, sizeof(T_IN6_ADDR));
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| 277 | #endif
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| 278 |
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| 279 | #ifdef USE_UDP_NON_BLOCKING
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| 280 | ccep.callback = (FP)callback_nblk_udp_echo_srv;
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| 281 | #else
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| 282 | ccep.callback = NULL;
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| 283 | #endif
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| 284 |
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| 285 | if ((error = alloc_udp_cep(&cepid, tskid, &ccep)) != E_OK) {
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| 286 | syslog(LOG_NOTICE, "[UES:%02d TSK] CEP create error: %s", cepid, itron_strerror(error));
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| 287 | continue;
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| 288 | }
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| 289 |
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| 290 | while (error == E_OK) {
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| 291 | if ((error = udp_echo_srv(cepid)) != E_OK) {
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| 292 | if ((error = free_udp_cep(cepid, !(error == E_NOEXS || error == E_DLT))) != E_OK)
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| 293 | syslog(LOG_NOTICE, "[UEC:%02d TSK] CEP delete error: %s", cepid, itron_strerror(error));
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| 294 | break;
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| 295 | }
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| 296 | }
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| 297 |
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| 298 | }
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| 299 | slp_tsk();
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| 300 | }
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| 301 |
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| 302 | #else /* of #ifdef USE_UDP_EXTENTIONS */
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| 303 |
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| 304 | void
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| 305 | udp_echo_srv_task (intptr_t exinf)
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| 306 | {
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| 307 | ID tskid;
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| 308 | ER error = E_OK;
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| 309 |
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| 310 | get_tid(&tskid);
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| 311 | syslog(LOG_NOTICE, "[UDP ECHO SRV:%d,%d] started.", tskid, (ID)exinf);
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| 312 | while (error == E_OK) {
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| 313 | error = udp_echo_srv((ID)exinf);
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| 314 | }
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| 315 | slp_tsk();
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| 316 | }
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| 317 |
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| 318 | #endif /* of #ifdef USE_UDP_EXTENTIONS */
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| 319 |
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| 320 | #endif /* of #ifdef USE_UDP_CALL_BACK */
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| 321 |
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| 322 | #endif /* of #ifdef USE_UDP_ECHO_SRV */
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