[331] | 1 | /*
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| 2 | * TINET (TCP/IP Protocol Stack)
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| 3 | *
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| 4 | * Copyright (C) 2001-2017 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 | * @(#) $Id$
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| 44 | */
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| 45 |
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| 46 | /*
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| 47 | * TCP ECHO ãµã¼ã #1
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| 48 | *
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| 49 | * ã»éåä¿¡ã¿ã¹ã¯åä¸å
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| 50 | * ã»ãã³ããããã³ã°ã³ã¼ã«
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| 51 | * ã»çã³ãã¼ API
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| 52 | * ã»IPv4/IPv6
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| 53 | * ã»ç·æ¥ãã¼ã¿ã®åä¿¡
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| 54 | */
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| 55 |
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| 56 | #include <string.h>
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| 57 |
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| 58 | #ifdef TARGET_KERNEL_ASP
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| 59 |
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| 60 | #include <kernel.h>
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| 61 | #include <sil.h>
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| 62 | #include <t_syslog.h>
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| 63 | #include "kernel_cfg.h"
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| 64 | #include "tinet_cfg.h"
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| 65 |
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| 66 | #endif /* of #ifdef TARGET_KERNEL_ASP */
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| 67 |
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| 68 | #ifdef TARGET_KERNEL_JSP
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| 69 |
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| 70 | #include <t_services.h>
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| 71 | #include "kernel_id.h"
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| 72 | #include "tinet_id.h"
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| 73 |
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| 74 | #endif /* of #ifdef TARGET_KERNEL_JSP */
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| 75 |
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| 76 | #include <netinet/in.h>
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| 77 | #include <netinet/in_itron.h>
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| 78 |
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| 79 | #include <netapp/netapp.h>
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| 80 | #include <netapp/netapp_var.h>
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| 81 | #include <netapp/tcp_echo_srv1.h>
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| 82 | #include <netapp/tcp_echo_srv1_var.h>
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| 83 |
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| 84 | #ifdef USE_TCP_ECHO_SRV1
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| 85 |
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| 86 | /*
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| 87 | * 表示
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| 88 | */
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| 89 |
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| 90 | //#define SHOW_RCV_RANGE
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| 91 |
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| 92 | /*
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| 93 | * ã³ãã¯ã·ã§ã³åææ¹æ³ã®æå®
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| 94 | */
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| 95 |
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| 96 | #define USE_TCP_SHT_CEP
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| 97 |
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| 98 | /*
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| 99 | * ã¿ã¤ã ã¢ã¦ã
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| 100 | */
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| 101 |
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| 102 | #ifdef TOPPERS_S810_CLG3_85
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| 103 |
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| 104 | #define CLS_TMO TMO_FEVR /* Close Wait ã¯æ¨æºã§ 60ç§ */
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| 105 | //#define RCV_TMO TMO_FEVR
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| 106 | #define RCV_TMO (30*SYSTIM_HZ)
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| 107 | //#define SND_TMO TMO_FEVR
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| 108 | #define SND_TMO (30*SYSTIM_HZ)
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| 109 |
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| 110 | #else /* of #ifdef TOPPERS_S810_CLG3_85 */
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| 111 |
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| 112 | //#define CLS_TMO TMO_FEVR /* Close Wait ã¯æ¨æºã§ 60ç§ */
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| 113 | #define CLS_TMO (70*SYSTIM_HZ+(netapp_rand()%SYSTIM_HZ)*10)
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| 114 | //#define RCV_TMO TMO_FEVR
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| 115 | #define RCV_TMO (30*SYSTIM_HZ+(netapp_rand()%SYSTIM_HZ)*30)
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| 116 | //#define SND_TMO TMO_FEVR
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| 117 | #define SND_TMO (40*SYSTIM_HZ+(netapp_rand()%SYSTIM_HZ)*20)
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| 118 |
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| 119 | #endif /* of #ifdef TOPPERS_S810_CLG3_85 */
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| 120 |
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| 121 | #ifdef USE_TCP_EXTENTIONS
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| 122 |
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| 123 | /*
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| 124 | * å¤æ°
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| 125 | */
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| 126 |
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| 127 | typedef struct t_tcp_echo_srv_task_info {
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| 128 | ID taskid; /* ã¿ã¹ã¯ ID */
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| 129 | bool_t active; /* åä½ç¶æ
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| 130 | */
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| 131 | char apip; /* API IPãããã³ã« */
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| 132 | } T_TCP_ECHO_SRV_TASK_INFO;
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| 133 |
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| 134 | static T_TCP_ECHO_SRV_TASK_INFO tcp_echo_srv_task_info[NUM_TCP_ECHO_SRV_TASKS] = {
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| 135 |
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| 136 | { TCP_ECHO_SRV_TASK1, false },
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| 137 |
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| 138 | #if NUM_TCP_ECHO_SRV_TASKS >= 2
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| 139 | { TCP_ECHO_SRV_TASK2, false },
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| 140 | #endif
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| 141 | #if NUM_TCP_ECHO_SRV_TASKS >= 3
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| 142 | { TCP_ECHO_SRV_TASK3, false },
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| 143 | #endif
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| 144 | #if NUM_TCP_ECHO_SRV_TASKS >= 4
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| 145 | { TCP_ECHO_SRV_TASK4, false },
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| 146 | #endif
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| 147 | #if NUM_TCP_ECHO_SRV_TASKS >= 5
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| 148 | { TCP_ECHO_SRV_TASK5, false },
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| 149 | #endif
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| 150 | #if NUM_TCP_ECHO_SRV_TASKS >= 6
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| 151 | { TCP_ECHO_SRV_TASK6, false },
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| 152 | #endif
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| 153 | #if NUM_TCP_ECHO_SRV_TASKS >= 7
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| 154 | { TCP_ECHO_SRV_TASK7, false },
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| 155 | #endif
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| 156 | #if NUM_TCP_ECHO_SRV_TASKS >= 8
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| 157 | { TCP_ECHO_SRV_TASK8, false },
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| 158 | #endif
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| 159 |
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| 160 | };
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| 161 |
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| 162 | /*
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| 163 | * get_tcp_rep -- TCP åä»å£ãç²å¾ããã
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| 164 | */
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| 165 |
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| 166 | #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4)
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| 167 |
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| 168 | static ER
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| 169 | get_tcp_rep (ID *repid, char apip)
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| 170 | {
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| 171 | ID tskid;
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| 172 | T_TCP6_CREP crep6;
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| 173 | T_TCP_CREP crep4;
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| 174 |
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| 175 | get_tid(&tskid);
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| 176 | if (apip == API_PROTO_IPV6) {
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| 177 | crep6.repatr = UINT_C(0);
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| 178 | crep6.myaddr.portno = UINT_C(7);
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| 179 | memcpy(&crep6.myaddr.ipaddr, &ipv6_addrany, sizeof(T_IN6_ADDR));
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| 180 | return alloc_tcp6_rep(repid, tskid, &crep6);
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| 181 | }
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| 182 | else {
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| 183 | crep4.repatr = UINT_C(0);
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| 184 | crep4.myaddr.portno = UINT_C(7);
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| 185 | crep4.myaddr.ipaddr = IPV4_ADDRANY;
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| 186 | return alloc_tcp4_rep(repid, tskid, &crep4);
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| 187 | }
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| 188 | }
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| 189 |
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| 190 | #else /* of #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4) */
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| 191 |
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| 192 | static ER
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| 193 | get_tcp_rep (ID *repid, char apip)
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| 194 | {
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| 195 | ID tskid;
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| 196 | T_TCPN_CREP crep;
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| 197 |
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| 198 | get_tid(&tskid);
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| 199 |
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| 200 | crep.repatr = UINT_C(0);
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| 201 | crep.myaddr.portno = UINT_C(7);
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| 202 |
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| 203 | #if defined(SUPPORT_INET6)
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| 204 |
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| 205 | memcpy(&crep.myaddr.ipaddr, &ipv6_addrany, sizeof(T_IN6_ADDR));
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| 206 |
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| 207 | #else /* #if defined(SUPPORT_INET6) */
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| 208 |
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| 209 | #if defined(SUPPORT_INET4)
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| 210 | crep.myaddr.ipaddr = IPV4_ADDRANY;
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| 211 | #endif
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| 212 |
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| 213 | #endif /* #if defined(SUPPORT_INET6) */
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| 214 |
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| 215 | return ALLOC_TCP_REP(repid, tskid, &crep);
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| 216 | }
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| 217 |
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| 218 | #endif /* of #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4) */
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| 219 |
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| 220 | /*
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| 221 | * get_tcp_cep -- TCP é信端ç¹ãç²å¾ããã
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| 222 | */
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| 223 |
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| 224 | static ER
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| 225 | get_tcp_cep (ID *cepid, char apip)
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| 226 | {
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| 227 | ID tskid;
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| 228 | T_TCP_CCEP ccep;
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| 229 |
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| 230 | get_tid(&tskid);
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| 231 |
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| 232 | ccep.cepatr = UINT_C(0);
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| 233 | ccep.sbufsz = TCP_ECHO_SRV_SWBUF_SIZE;
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| 234 | ccep.rbufsz = TCP_ECHO_SRV_RWBUF_SIZE;
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| 235 |
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| 236 | #ifdef TCP_CFG_SWBUF_CSAVE
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| 237 | ccep.sbuf = NADR;
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| 238 | #else
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| 239 | ccep.sbuf = tcp_echo_srv_swbuf;
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| 240 | #endif
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| 241 | #ifdef TCP_CFG_RWBUF_CSAVE
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| 242 | ccep.rbuf = NADR;
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| 243 | #else
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| 244 | ccep.rbuf = tcp_echo_srv_rwbuf;
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| 245 | #endif
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| 246 | #ifdef USE_TCP_NON_BLOCKING
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| 247 | ccep.callback = (FP)callback_nblk_tcp_echo_srv;
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| 248 | #else
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| 249 | ccep.callback = NULL;
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| 250 | #endif
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| 251 |
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| 252 | #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4)
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| 253 |
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| 254 | if (apip == API_PROTO_IPV6)
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| 255 | return alloc_tcp6_cep(cepid, tskid, &ccep);
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| 256 | else
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| 257 | return alloc_tcp4_cep(cepid, tskid, &ccep);
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| 258 |
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| 259 | #else /* of #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4) */
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| 260 |
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| 261 | return ALLOC_TCP_CEP(cepid, tskid, &ccep);
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| 262 |
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| 263 | #endif /* of #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4) */
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| 264 |
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| 265 | }
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| 266 |
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| 267 | /*
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| 268 | * wakeup_tcp_echo_srv -- TCP ã¨ã³ã¼ãµã¼ãã¿ã¹ã¯ã®ä¼æ¢è§£é¤
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| 269 | */
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| 270 |
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| 271 | ER
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| 272 | wakeup_tcp_echo_srv (char apip)
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| 273 | {
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| 274 | int ix;
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| 275 |
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| 276 | for (ix = NUM_TCP_ECHO_SRV_TASKS; -- ix >= 0; )
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| 277 | if (!tcp_echo_srv_task_info[ix].active) {
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| 278 | syslog(LOG_NOTICE, "[TCP%c ECHO SRV(EXT):%d] wake up.",
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| 279 | apip, tcp_echo_srv_task_info[ix].taskid);
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| 280 | tcp_echo_srv_task_info[ix].apip = apip;
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| 281 | tcp_echo_srv_task_info[ix].active = true;
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| 282 | return syscall(wup_tsk(tcp_echo_srv_task_info[ix].taskid));
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| 283 | }
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| 284 | syslog(LOG_NOTICE, "[TCP%c ECHO SRV(EXT):%d] wake up error: %s.",
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| 285 | apip, tcp_echo_srv_task_info[ix].taskid, itron_strerror(E_ID));
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| 286 | return E_ID;
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| 287 | }
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| 288 |
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| 289 | /*
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| 290 | * tcp_echo_srv_task -- TCP ã¨ã³ã¼ãµã¼ãã¿ã¹ã¯
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| 291 | */
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| 292 |
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| 293 | void
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| 294 | tcp_echo_srv_task (intptr_t exinf)
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| 295 | {
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| 296 | ID tskid;
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| 297 | ER error = E_OK;
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| 298 | int ix;
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| 299 | char apip;
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| 300 |
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| 301 | syscall(get_tid(&tskid));
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| 302 | syslog(LOG_NOTICE, "[TCPn ECHO SRV(EXT):%d] started.", tskid);
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| 303 | while (true) {
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| 304 | syslog(LOG_NOTICE, "[TCPn ECHO SRV(EXT):%d] goto sleep.", tskid);
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| 305 | syscall(slp_tsk());
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| 306 |
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| 307 | for (ix = NUM_TCP_ECHO_SRV_TASKS; -- ix >= 0; ) {
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| 308 | if (tcp_echo_srv_task_info[ix].taskid == tskid) {
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| 309 | break;
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| 310 | }
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| 311 | }
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| 312 |
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| 313 | apip = tcp_echo_srv_task_info[ix].apip;
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| 314 | if ((error = get_tcp_cep(&tcp_echo_srv_info[ix].cepid, apip)) != E_OK) {
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| 315 | syslog(LOG_NOTICE, "[TCP%c ECHO SRV(EXT):%d] create CEP error: %s",
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| 316 | apip, tskid, itron_strerror(error));
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| 317 | continue;
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| 318 | }
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| 319 |
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| 320 | while (true) {
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| 321 |
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| 322 | if ((error = get_tcp_rep(&tcp_echo_srv_info[ix].repid, apip)) != E_OK) {
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| 323 | syslog(LOG_NOTICE, "[TCP%c ECHO SRV(EXT):%d] create REP error: %s",
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| 324 | apip, tskid, itron_strerror(error));
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| 325 | break;
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| 326 | }
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| 327 | else if ((error = tcp_echo_srv(ix, apip)) != E_OK) {
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| 328 |
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| 329 | #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4)
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| 330 |
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| 331 | if (apip == API_PROTO_IPV6)
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| 332 | error = free_tcp6_rep(tcp_echo_srv_info[ix].repid, error != E_DLT);
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| 333 | else
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| 334 | error = free_tcp4_rep(tcp_echo_srv_info[ix].repid, error != E_DLT);
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| 335 |
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| 336 | #else /* of #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4) */
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| 337 |
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| 338 | error = FREE_TCP_REP(tcp_echo_srv_info[ix].repid, error != E_DLT);
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| 339 |
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| 340 | #endif /* of #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4) */
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| 341 |
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| 342 | if (error != E_OK) {
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| 343 | syslog(LOG_NOTICE, "[TCP%c ECHO SRV(EXT):%d] delete REP error: %s",
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| 344 | apip, tskid, itron_strerror(error));
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| 345 | }
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| 346 |
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| 347 | break;
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| 348 | }
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| 349 | }
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| 350 |
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| 351 | #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4)
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| 352 |
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| 353 | if (apip == API_PROTO_IPV6)
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| 354 | error = free_tcp6_cep(tcp_echo_srv_info[ix].cepid);
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| 355 | else
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| 356 | error = free_tcp4_cep(tcp_echo_srv_info[ix].cepid);
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| 357 |
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| 358 | #else /* of #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4) */
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| 359 |
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| 360 | error = FREE_TCP_CEP(tcp_echo_srv_info[ix].cepid);
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| 361 |
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| 362 | #endif /* of #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4) */
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| 363 |
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| 364 | if (error != E_OK) {
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| 365 | syslog(LOG_NOTICE, "[TCP%c ECHO SRV(EXT):%d] delete CEP error: %s",
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| 366 | apip, tskid, itron_strerror(error));
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| 367 | }
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| 368 |
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| 369 | for (ix = NUM_TCP_ECHO_SRV_TASKS; -- ix >= 0; ) {
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| 370 | if (tcp_echo_srv_task_info[ix].taskid == tskid) {
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| 371 | tcp_echo_srv_task_info[ix].active = false;
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| 372 | break;
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| 373 | }
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| 374 | }
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| 375 |
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| 376 | }
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| 377 | }
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| 378 |
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| 379 | #endif /* of #ifdef USE_TCP_EXTENTIONS */
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| 380 |
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| 381 | #endif /* of #ifdef USE_TCP_ECHO_SRV1 */
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