[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: tcp_echo_srv2.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 | * TCP ECHO ãµã¼ã #2
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| 48 | *
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| 49 | * ã»éåä¿¡ã¿ã¹ã¯åé¢å
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| 50 | * ã»ãã³ããããã³ã°ã³ã¼ã«
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| 51 | * ã»IPv4/IPv6
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| 52 | */
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| 53 |
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| 54 | #ifdef TARGET_KERNEL_ASP
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| 55 |
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| 56 | #include <kernel.h>
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| 57 | #include <sil.h>
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| 58 | #include <t_syslog.h>
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| 59 | #include "kernel_cfg.h"
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| 60 | #include "tinet_cfg.h"
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| 61 |
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| 62 | #endif /* of #ifdef TARGET_KERNEL_ASP */
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| 63 |
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| 64 | #ifdef TARGET_KERNEL_JSP
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| 65 |
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| 66 | #include <t_services.h>
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| 67 | #include "kernel_id.h"
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| 68 | #include "tinet_id.h"
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| 69 |
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| 70 | #endif /* of #ifdef TARGET_KERNEL_JSP */
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| 71 |
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| 72 | #include <tinet_defs.h>
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| 73 | #include <tinet_config.h>
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| 74 |
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| 75 | #include <net/if.h>
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| 76 | #include <net/if_ppp.h>
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| 77 | #include <net/if_loop.h>
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| 78 | #include <net/ethernet.h>
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| 79 | #include <net/net_timer.h>
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| 80 |
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| 81 | #include <netinet/in.h>
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| 82 | #include <netinet/in_itron.h>
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| 83 | #include <netinet/ip.h>
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| 84 | #include <netinet/ip6.h>
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| 85 | #include <netinet/tcp.h>
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| 86 |
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| 87 | #include <netapp/netapp.h>
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| 88 | #include <netapp/netapp_var.h>
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| 89 | #include <netapp/echo.h>
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| 90 |
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| 91 | #ifdef USE_TCP_ECHO_SRV2
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| 92 |
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| 93 | /*
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| 94 | * 表示
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| 95 | */
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| 96 |
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| 97 | /*#define SHOW_RCV_RANGE*/
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| 98 |
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| 99 | /*
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| 100 | * ã³ãã¯ã·ã§ã³åææ¹æ³ã®æå®
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| 101 | */
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| 102 |
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| 103 | /*#define USE_TCP_SHT_CEP*/
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| 104 |
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| 105 | /*
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| 106 | * å
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| 107 | ¨åå¤æ°
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| 108 | */
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| 109 |
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| 110 | /* TCP éåä¿¡ã¦ã£ã³ããããã¡ */
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| 111 |
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| 112 | #ifndef TCP_CFG_SWBUF_CSAVE
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| 113 | uint8_t tcp_echo_srv_swbuf[NUM_TCP_ECHO_SRV_TASKS][TCP_ECHO_SRV_SWBUF_SIZE];
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| 114 | #endif
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| 115 |
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| 116 | #ifndef TCP_CFG_RWBUF_CSAVE
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| 117 | uint8_t tcp_echo_srv_rwbuf[NUM_TCP_ECHO_SRV_TASKS][TCP_ECHO_SRV_RWBUF_SIZE];
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| 118 | #endif
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| 119 |
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| 120 | /*
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| 121 | * å¤æ°
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| 122 | */
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| 123 |
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| 124 | /*
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| 125 | * 注æ:
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| 126 | *
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| 127 | * BUF_SIZE 㯠TCP ã®
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| 128 | * éä¿¡ã¦ã¤ã³ãã¦ãããã¡ãµã¤ãº + åä¿¡ã¦ã¤ã³ãã¦ãããã¡ãµã¤ãºã®
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| 129 | * 3/2 å以ä¸ã®å¤§ããããªããã°ããããããã¯ããå¯è½æ§ãããã
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| 130 | */
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| 131 |
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| 132 | #define BUF_SIZE ((TCP_ECHO_SRV_SWBUF_SIZE + \
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| 133 | TCP_ECHO_SRV_RWBUF_SIZE) * 3 / 2)
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| 134 |
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| 135 | static char buffer[BUF_SIZE]; /* ãããã¡ */
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| 136 |
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| 137 | static T_IPEP dst; /* æ¥ç¶ç¸æ */
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| 138 | static bool_t ena_rcv; /* åä¿¡å¯è½ãã©ã° */
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| 139 | static char *rptr = buffer; /* åä¿¡ãã¤ã³ã¿ */
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| 140 | static char *sptr = buffer; /* éä¿¡ãã¤ã³ã¿ */
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| 141 | static uint32_t rcv_total; /* åä¿¡æåæ° */
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| 142 | static uint32_t snd_total; /* éä¿¡æåæ° */
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| 143 | static uint16_t chars; /* ãããã¡å
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| 144 | ã®æåæ° */
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| 145 | static uint16_t rcv_count; /* åä¿¡åæ° */
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| 146 | static uint16_t snd_count; /* éä¿¡åæ° */
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| 147 |
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| 148 | #ifdef USE_TCP_NON_BLOCKING
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| 149 |
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| 150 | static ER rcv_error = E_OK; /* åä¿¡ããã³ããããã³ã°ã³ã¼ã«ã¨ã©ã¼ */
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| 151 | static ER snd_error = 1; /* éä¿¡ããã³ããããã³ã°ã³ã¼ã«ã¨ã©ã¼ */
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| 152 |
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| 153 | /*
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| 154 | * ãã³ããããã³ã°ã³ã¼ã«ã®ã³ã¼ã«ããã¯é¢æ°
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| 155 | */
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| 156 |
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| 157 | ER
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| 158 | callback_nblk_tcp_echo_srv (ID cepid, FN fncd, void *p_parblk)
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| 159 | {
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| 160 | ER error = E_OK;
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| 161 | ER_UINT slen, rlen;
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| 162 | SYSTIM now;
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| 163 | uint16_t last;
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| 164 | char head, tail;
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| 165 |
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| 166 | get_tim(&now);
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| 167 |
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| 168 | switch (fncd) {
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| 169 |
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| 170 | case TFN_TCP_ACP_CEP:
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| 171 | rcv_error = *(ER*)p_parblk;
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| 172 | if (rcv_error == E_OK) {
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| 173 | sptr = rptr = buffer;
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| 174 | snd_count = snd_total = rcv_count = rcv_total = chars = 0;
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| 175 | snd_error = 1;
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| 176 | ena_rcv = true;
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| 177 | syslog(LOG_NOTICE, "[TES:%02d CBN] connected: %6ld, from: %s.%d",
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| 178 | cepid, now / SYSTIM_HZ, IP2STR(NULL, &dst.ipaddr), dst.portno);
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| 179 | }
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| 180 | else
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| 181 | syslog(LOG_NOTICE, "[TES:%02d CBN] accept error: %s\n", cepid, itron_strerror(rcv_error));
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| 182 |
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| 183 | syscall(sig_sem(SEM_TCP_ECHO_SRV_RCV_READY));
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| 184 | break;
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| 185 |
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| 186 | case TFN_TCP_SND_DAT:
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| 187 | slen = snd_error = *(ER*)p_parblk;
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| 188 | if (slen > 0) {
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| 189 | head = *sptr;
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| 190 | tail = *(sptr + slen - 1);
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| 191 | #ifdef SHOW_RCV_RANGE
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| 192 | syslog(LOG_NOTICE, "[TES:%02d CBN] send len: %4d, data %02x -> %02x",
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| 193 | cepid, (uint16_t)slen, head, tail);
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| 194 | #endif /* of #ifdef SHOW_RCV_RANGE */
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| 195 | snd_count ++;
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| 196 | snd_total += slen;
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| 197 |
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| 198 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
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| 199 |
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| 200 | /* éä¿¡ãã¤ã³ã¿ãé²ããã*/
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| 201 | if (sptr - buffer + slen >= sizeof(buffer))
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| 202 | sptr -= sizeof(buffer) - slen;
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| 203 | else
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| 204 | sptr += slen;
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| 205 |
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| 206 | /* ãããã¡å
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| 207 | ã®æåæ°ãæ¸ããã*/
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| 208 | last = chars;
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| 209 | chars -= slen;
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| 210 |
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| 211 | /* ãããã¡å
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| 212 | ã«æåãããã°ãéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
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| 213 | if (chars > 0 || (!ena_rcv && chars == 0))
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| 214 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
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| 215 |
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| 216 | /* åä¿¡å¯è½ã§ããããã¡å
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| 217 | ã«ç©ºããã§ããã°ãåä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
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| 218 | if (ena_rcv && last == sizeof(buffer) && sizeof(buffer) - chars > 0)
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| 219 | syscall(sig_sem(SEM_TCP_ECHO_SRV_RCV_READY));
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| 220 |
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| 221 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
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| 222 | }
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| 223 | else {
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| 224 | syslog(LOG_NOTICE, "[TES:%02d CBN] send error = %s", cepid, itron_strerror(snd_error));
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| 225 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
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| 226 | }
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| 227 | break;
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| 228 |
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| 229 | case TFN_TCP_RCV_DAT:
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| 230 | rlen = rcv_error = *(ER*)p_parblk;
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| 231 | if (rlen > 0) {
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| 232 | head = *rptr;
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| 233 | tail = *(rptr + rlen - 1);
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| 234 | #ifdef SHOW_RCV_RANGE
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| 235 | syslog(LOG_NOTICE, "[TES:%02d CBN] recv len: %4d, data %02x -> %02x",
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| 236 | cepid, (uint16_t)rlen, head, tail);
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| 237 | #endif /* of #ifdef SHOW_RCV_RANGE */
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| 238 | rcv_count ++;
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| 239 | rcv_total += rlen;
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| 240 |
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| 241 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
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| 242 |
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| 243 | /* åä¿¡ãã¤ã³ã¿ãé²ããã*/
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| 244 | if (rptr - buffer + rlen >= sizeof(buffer))
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| 245 | rptr -= sizeof(buffer) - rlen;
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| 246 | else
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| 247 | rptr += rlen;
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| 248 |
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| 249 | /* ãããã¡å
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| 250 | ã®æåæ°ãå¢ããã*/
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| 251 | last = chars;
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| 252 | chars += rlen;
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| 253 |
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| 254 | /* ãããã¡å
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| 255 | ã«æåãå
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| 256 | ¥ãã°ãéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
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| 257 | if (last == 0 && chars > 0)
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| 258 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
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| 259 |
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| 260 | /* ãããã¡å
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| 261 | ã«ç©ºããããã°ãåä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
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| 262 | if (sizeof(buffer) - chars > 0)
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| 263 | sig_sem(SEM_TCP_ECHO_SRV_RCV_READY);
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| 264 |
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| 265 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
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| 266 | }
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| 267 | else {
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| 268 | if (rlen < 0)
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| 269 | syslog(LOG_NOTICE, "[TES:%02d CBN] recv error = %s", cepid, itron_strerror(rcv_error));
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| 270 | sig_sem(SEM_TCP_ECHO_SRV_RCV_READY);
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| 271 | }
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| 272 | break;
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| 273 |
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| 274 | case TFN_TCP_CLS_CEP:
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| 275 | snd_error = *(ER*)p_parblk;
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| 276 | if (snd_error != E_OK)
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| 277 | syslog(LOG_NOTICE, "[TES:%02d CBN] close error = %s", cepid, itron_strerror(snd_error));
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| 278 |
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| 279 | syslog(LOG_NOTICE, "[TES:%02d CBN] finished: %6ld, snd: %4d, rcv: %4d, len: %ld",
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| 280 | cepid, now / SYSTIM_HZ, snd_count, rcv_count, snd_total);
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| 281 |
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| 282 | sig_sem(SEM_TCP_ECHO_SRV_CLS_READY);
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| 283 | break;
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| 284 |
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| 285 | case TFN_TCP_CON_CEP:
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| 286 | case TFN_TCP_GET_BUF:
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| 287 | case TFN_TCP_RCV_BUF:
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| 288 | case TFN_TCP_SND_OOB:
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| 289 | default:
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| 290 | error = E_PAR;
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| 291 | }
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| 292 | return error;
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| 293 | }
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| 294 |
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| 295 | /*
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| 296 | * TCP ECHO ãµã¼ãåä¿¡ã«ã¼ãã³ (ãã³ããããã³ã°ã³ã¼ã«ä½¿ç¨)
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| 297 | */
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| 298 |
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| 299 | ER
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| 300 | tcp_echo_srv_rcv (ID cepid, ID repid)
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| 301 | {
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| 302 | ER error;
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| 303 | uint16_t blen;
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| 304 |
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| 305 | if ((error = psnd_dtq(DTQ_TCP_ECHO_SRV_SND, (intptr_t)cepid)) != E_OK) {
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| 306 | syslog(LOG_NOTICE, "[TES:%02d RCV] sync error: %s", cepid, itron_strerror(error));
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| 307 | return error;
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| 308 | }
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| 309 |
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| 310 | if ((error = TCP_ACP_CEP(cepid, repid, &dst, TMO_NBLK)) != E_WBLK) {
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| 311 | syslog(LOG_NOTICE, "[TES:%02d ACP] accept error = %s", cepid, itron_strerror(error));
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| 312 | return error;
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| 313 | }
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| 314 |
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| 315 | /* ã³ãã¯ã·ã§ã³éè¨å®äºã¾ã§å¾
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| 316 | ã¤ã*/
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| 317 | syscall(wai_sem(SEM_TCP_ECHO_SRV_RCV_READY));
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| 318 |
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| 319 | /* å¾
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| 320 | ã£ã¦ããéã«ã¨ã©ã¼ã«ãªã£ãããã³ãã¯ã·ã§ã³ã®éè¨å¾
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| 321 | ã¡ã«æ»ãã*/
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| 322 | if (rcv_error != E_OK)
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| 323 | return rcv_error;
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| 324 |
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| 325 | #ifdef USE_TCP_EXTENTIONS
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| 326 | if ((error = free_tcp_rep(repid, true)) != E_OK) {
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| 327 | syslog(LOG_NOTICE, "[TES:%02d DEL] REP delete error: %s", cepid, itron_strerror(error));
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| 328 | return error;
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| 329 | }
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| 330 | #endif /* of #ifdef USE_TCP_EXTENTIONS */
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| 331 |
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| 332 | while (true) {
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| 333 |
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| 334 | /* åä¿¡ãµã¤ãºãè¨ç®ããã*/
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| 335 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
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| 336 | if (sptr > rptr)
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| 337 | blen = sptr - rptr;
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| 338 | else
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| 339 | blen = sizeof(buffer) - (rptr - buffer);
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| 340 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
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| 341 |
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| 342 | /* åä¿¡ããã*/
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| 343 | if ((error = tcp_rcv_dat(cepid, rptr, blen, TMO_NBLK)) != E_WBLK) {
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| 344 | syslog(LOG_NOTICE, "[TES:%02d RCV] recv error = %s", cepid, itron_strerror(error));
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| 345 | break;
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| 346 | }
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| 347 |
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| 348 | /* åä¿¡ãããã¡ã«ç©ºãã§ããã¾ã§å¾
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| 349 | ã¤ã*/
|
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| 350 | syscall(wai_sem(SEM_TCP_ECHO_SRV_RCV_READY));
|
---|
| 351 |
|
---|
| 352 | /* å¾
|
---|
| 353 | ã£ã¦ããéã«ãåä¿¡æåæ°ã 0 ã«ãªãããã¨ã©ã¼ã«ãªã£ããçµäºããã*/
|
---|
| 354 | if (rcv_error <= 0)
|
---|
| 355 | break;
|
---|
| 356 |
|
---|
| 357 | }
|
---|
| 358 |
|
---|
| 359 | /* åä¿¡å®äº */
|
---|
| 360 | ena_rcv = false;
|
---|
| 361 |
|
---|
| 362 | /* åä¿¡ãããã¡ã«æåãå
|
---|
| 363 | ¥ãã®ãå¾
|
---|
| 364 | ã£ã¦ããéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
| 365 | if (chars == 0)
|
---|
| 366 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
| 367 |
|
---|
| 368 | /* ã³ãã¯ã·ã§ã³åæå®äºã¾ã§å¾
|
---|
| 369 | ã¤ã*/
|
---|
| 370 | syscall(wai_sem(SEM_TCP_ECHO_SRV_CLS_READY));
|
---|
| 371 |
|
---|
| 372 | return error == E_WBLK ? E_OK : error;
|
---|
| 373 | }
|
---|
| 374 |
|
---|
| 375 | /*
|
---|
| 376 | * TCP ECHO ãµã¼ãéä¿¡ã¿ã¹ã¯ (ãã³ããããã³ã°ã³ã¼ã«ä½¿ç¨)
|
---|
| 377 | */
|
---|
| 378 |
|
---|
| 379 | void
|
---|
| 380 | tcp_echo_srv_snd_task(intptr_t exinf)
|
---|
| 381 | {
|
---|
| 382 | ER error;
|
---|
| 383 | ID tskid, cepid;
|
---|
| 384 | uint16_t blen;
|
---|
| 385 |
|
---|
| 386 | get_tid(&tskid);
|
---|
| 387 | syslog(LOG_NOTICE, "[TCP ECHO SRV (NBLK) SND:%d] started.", tskid);
|
---|
| 388 | while (true) {
|
---|
| 389 | if ((error = rcv_dtq(DTQ_TCP_ECHO_SRV_SND, (intptr_t*)&cepid)) != E_OK) {
|
---|
| 390 | syslog(LOG_NOTICE, "[TES:%02d SND] sync error: %s",
|
---|
| 391 | cepid, itron_strerror(error));
|
---|
| 392 | continue;
|
---|
| 393 | }
|
---|
| 394 |
|
---|
| 395 | while (true) {
|
---|
| 396 |
|
---|
| 397 | /* ãããã¡ã«æåãå
|
---|
| 398 | ¥ãã¾ã§å¾
|
---|
| 399 | ã¤ã*/
|
---|
| 400 | syscall(wai_sem(SEM_TCP_ECHO_SRV_SND_READY));
|
---|
| 401 |
|
---|
| 402 | /* å¾
|
---|
| 403 | ã£ã¦ããéã«ã¨ã©ã¼ã«ãªã£ããçµäºããã*/
|
---|
| 404 | if (snd_error <= 0)
|
---|
| 405 | break;
|
---|
| 406 |
|
---|
| 407 | /* åä¿¡å®äºã§ããããã¡ã«æåããªããã°çµäºããã*/
|
---|
| 408 | if (!ena_rcv && chars == 0)
|
---|
| 409 | break;
|
---|
| 410 |
|
---|
| 411 | /* éä¿¡ãµã¤ãºãè¨ç®ããã*/
|
---|
| 412 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
| 413 | if (rptr > sptr)
|
---|
| 414 | blen = rptr - sptr;
|
---|
| 415 | else
|
---|
| 416 | blen = sizeof(buffer) - (sptr - buffer);
|
---|
| 417 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
| 418 |
|
---|
| 419 | /* éä¿¡ããã*/
|
---|
| 420 | if ((error = tcp_snd_dat(cepid, sptr, blen, TMO_NBLK)) != E_WBLK) {
|
---|
| 421 | syslog(LOG_NOTICE, "[TES:%02d SND] send error = %s", cepid, itron_strerror(error));
|
---|
| 422 | break;
|
---|
| 423 | }
|
---|
| 424 | }
|
---|
| 425 |
|
---|
| 426 | /* åä¿¡ãããã¡ã«ç©ºãã§ãããå¾
|
---|
| 427 | ã£ã¦ããåä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
| 428 | if (chars == sizeof(buffer))
|
---|
| 429 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
| 430 |
|
---|
| 431 | #ifdef USE_TCP_SHT_CEP
|
---|
| 432 | if ((error = tcp_sht_cep(cepid)) != E_OK)
|
---|
| 433 | syslog(LOG_NOTICE, "[TES:%02d SND] shutdown error = %s", cepid, itron_strerror(error));
|
---|
| 434 | #endif /* of #ifdef USE_TCP_SHT_CEP */
|
---|
| 435 |
|
---|
| 436 | if ((error = tcp_cls_cep(cepid, TMO_NBLK)) != E_WBLK) {
|
---|
| 437 | syslog(LOG_NOTICE, "[TES:%02d SND] close error = %s", cepid, itron_strerror(error));
|
---|
| 438 | }
|
---|
| 439 |
|
---|
| 440 | pol_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
| 441 | pol_sem(SEM_TCP_ECHO_SRV_RCV_READY);
|
---|
| 442 | }
|
---|
| 443 | }
|
---|
| 444 |
|
---|
| 445 | #else /* of #ifdef USE_TCP_NON_BLOCKING */
|
---|
| 446 |
|
---|
| 447 | /*
|
---|
| 448 | * TCP ECHO ãµã¼ãåä¿¡ã«ã¼ãã³
|
---|
| 449 | */
|
---|
| 450 |
|
---|
| 451 | ER
|
---|
| 452 | tcp_echo_srv_rcv (ID cepid, ID repid)
|
---|
| 453 | {
|
---|
| 454 | ER_UINT rlen;
|
---|
| 455 | ER error;
|
---|
| 456 | SYSTIM now;
|
---|
| 457 | uint16_t blen, last;
|
---|
| 458 | char head, tail;
|
---|
| 459 |
|
---|
| 460 | if ((error = psnd_dtq(DTQ_TCP_ECHO_SRV_SND, (intptr_t)cepid)) != E_OK) {
|
---|
| 461 | syslog(LOG_NOTICE, "[TES:%02d RCV] sync error: %s", cepid, itron_strerror(error));
|
---|
| 462 | return error;
|
---|
| 463 | }
|
---|
| 464 |
|
---|
| 465 | if ((error = TCP_ACP_CEP(cepid, repid, &dst, TMO_FEVR)) != E_OK) {
|
---|
| 466 | syslog(LOG_NOTICE, "[TES:%02d ACP] accept error = %s", cepid, itron_strerror(error));
|
---|
| 467 | return error;
|
---|
| 468 | }
|
---|
| 469 |
|
---|
| 470 | #ifdef USE_TCP_EXTENTIONS
|
---|
| 471 | if ((error = free_tcp_rep(repid, true)) != E_OK) {
|
---|
| 472 | syslog(LOG_NOTICE, "[TES:%02d DEL] REP delete error: %s", cepid, itron_strerror(error));
|
---|
| 473 | return error;
|
---|
| 474 | }
|
---|
| 475 | #endif /* of #ifdef USE_TCP_EXTENTIONS */
|
---|
| 476 |
|
---|
| 477 | syscall(get_tim(&now));
|
---|
| 478 | syslog(LOG_NOTICE, "[TES:%02d ACP] connected: %6ld, from: %s.%d",
|
---|
| 479 | cepid, now / SYSTIM_HZ, IP2STR(NULL, &dst.ipaddr), dst.portno);
|
---|
| 480 | sptr = rptr = buffer;
|
---|
| 481 | snd_count = snd_total = rcv_count = rcv_total = chars = 0;
|
---|
| 482 | ena_rcv = true;
|
---|
| 483 | while (true) {
|
---|
| 484 |
|
---|
| 485 | /* åä¿¡ãµã¤ãºãè¨ç®ããã*/
|
---|
| 486 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
| 487 | if (sptr > rptr)
|
---|
| 488 | blen = sptr - rptr;
|
---|
| 489 | else
|
---|
| 490 | blen = sizeof(buffer) - (rptr - buffer);
|
---|
| 491 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
| 492 |
|
---|
| 493 | /* åä¿¡ããã*/
|
---|
| 494 | if ((rlen = tcp_rcv_dat(cepid, rptr, blen, TMO_FEVR)) <= 0) {
|
---|
| 495 | if (rlen < 0)
|
---|
| 496 | syslog(LOG_NOTICE, "[TES:%02d RCV] recv error = %s",
|
---|
| 497 | cepid, itron_strerror(rlen));
|
---|
| 498 | break;
|
---|
| 499 | }
|
---|
| 500 | head = *rptr;
|
---|
| 501 | tail = *(rptr + rlen - 1);
|
---|
| 502 | #ifdef SHOW_RCV_RANGE
|
---|
| 503 | syslog(LOG_NOTICE, "[TES:%02d RCV] len: %4d, data %02x -> %02x",
|
---|
| 504 | cepid, (uint16_t)rlen, head, tail);
|
---|
| 505 | #endif /* of #ifdef SHOW_RCV_RANGE */
|
---|
| 506 | rcv_count ++;
|
---|
| 507 | rcv_total += rlen;
|
---|
| 508 |
|
---|
| 509 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
| 510 |
|
---|
| 511 | /* åä¿¡ãã¤ã³ã¿ãé²ããã*/
|
---|
| 512 | if (rptr - buffer + rlen >= sizeof(buffer))
|
---|
| 513 | rptr -= sizeof(buffer) - rlen;
|
---|
| 514 | else
|
---|
| 515 | rptr += rlen;
|
---|
| 516 |
|
---|
| 517 | /* ãããã¡å
|
---|
| 518 | ã®æåæ°ãå¢ããã*/
|
---|
| 519 | last = chars;
|
---|
| 520 | chars += (uint16_t)rlen;
|
---|
| 521 |
|
---|
| 522 | /* ãããã¡å
|
---|
| 523 | ã«æåãå
|
---|
| 524 | ¥ãã°ãéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
| 525 | if (last == 0 && chars > 0)
|
---|
| 526 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
| 527 |
|
---|
| 528 | /* ãããã¡å
|
---|
| 529 | ã«ç©ºããããã°ãåä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
| 530 | if (sizeof(buffer) - chars > 0)
|
---|
| 531 | sig_sem(SEM_TCP_ECHO_SRV_RCV_READY);
|
---|
| 532 |
|
---|
| 533 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
| 534 |
|
---|
| 535 | /* ãããã¡ã«ç©ºããã§ããã¾ã§å¾
|
---|
| 536 | ã¤ã*/
|
---|
| 537 | syscall(wai_sem(SEM_TCP_ECHO_SRV_RCV_READY));
|
---|
| 538 | }
|
---|
| 539 |
|
---|
| 540 | /* åä¿¡å®äº */
|
---|
| 541 | ena_rcv = false;
|
---|
| 542 |
|
---|
| 543 | /* åä¿¡ãããã¡ã«æåãå
|
---|
| 544 | ¥ãã®ãå¾
|
---|
| 545 | ã£ã¦ããéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
| 546 | if (chars == 0)
|
---|
| 547 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
| 548 |
|
---|
| 549 | /* ã³ãã¯ã·ã§ã³ã®åæãå®äºããã¾ã§å¾
|
---|
| 550 | ã¤ã*/
|
---|
| 551 | syscall(wai_sem(SEM_TCP_ECHO_SRV_CLS_READY));
|
---|
| 552 |
|
---|
| 553 | return error;
|
---|
| 554 | }
|
---|
| 555 |
|
---|
| 556 | /*
|
---|
| 557 | * TCP ECHO ãµã¼ãéä¿¡ã¿ã¹ã¯
|
---|
| 558 | */
|
---|
| 559 |
|
---|
| 560 | void
|
---|
| 561 | tcp_echo_srv_snd_task(intptr_t exinf)
|
---|
| 562 | {
|
---|
| 563 | ID tskid, cepid;
|
---|
| 564 | ER error;
|
---|
| 565 | ER_UINT slen;
|
---|
| 566 | SYSTIM now;
|
---|
| 567 | uint16_t blen, last;
|
---|
| 568 | char head, tail;
|
---|
| 569 |
|
---|
| 570 | get_tid(&tskid);
|
---|
| 571 | syslog(LOG_NOTICE, "[TCP ECHO SRV SND:%d] started.", tskid);
|
---|
| 572 | while (true) {
|
---|
| 573 | if ((error = rcv_dtq(DTQ_TCP_ECHO_SRV_SND, (intptr_t*)&cepid)) != E_OK) {
|
---|
| 574 | syslog(LOG_NOTICE, "[TES:%02d SND] sync error: %s",
|
---|
| 575 | cepid, itron_strerror(error));
|
---|
| 576 | continue;
|
---|
| 577 | }
|
---|
| 578 |
|
---|
| 579 | while (true) {
|
---|
| 580 |
|
---|
| 581 | /* ãããã¡ã«æåãå
|
---|
| 582 | ¥ãã¾ã§å¾
|
---|
| 583 | ã¤ã*/
|
---|
| 584 | syscall(wai_sem(SEM_TCP_ECHO_SRV_SND_READY));
|
---|
| 585 |
|
---|
| 586 | /* åä¿¡å®äºã§ããããã¡ã«æåããªããã°çµäºããã*/
|
---|
| 587 | if (!ena_rcv && chars == 0)
|
---|
| 588 | break;
|
---|
| 589 |
|
---|
| 590 | /* éä¿¡ãµã¤ãºãè¨ç®ããã*/
|
---|
| 591 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
| 592 | if (rptr > sptr)
|
---|
| 593 | blen = rptr - sptr;
|
---|
| 594 | else
|
---|
| 595 | blen = sizeof(buffer) - (sptr - buffer);
|
---|
| 596 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
| 597 |
|
---|
| 598 | if ((slen = tcp_snd_dat(cepid, sptr, blen, TMO_FEVR)) <= 0) {
|
---|
| 599 | syslog(LOG_NOTICE, "[TES:%02d SND] send error = %s", cepid, itron_strerror(slen));
|
---|
| 600 | break;
|
---|
| 601 | }
|
---|
| 602 |
|
---|
| 603 | head = *sptr;
|
---|
| 604 | tail = *(sptr + slen - 1);
|
---|
| 605 | #ifdef SHOW_RCV_RANGE
|
---|
| 606 | syslog(LOG_NOTICE, "[TES:%02d SND] len: %4d, data %02x -> %02x",
|
---|
| 607 | cepid, (uint16_t)slen, head, tail);
|
---|
| 608 | #endif /* of #ifdef SHOW_RCV_RANGE */
|
---|
| 609 | snd_count ++;
|
---|
| 610 | snd_total += slen;
|
---|
| 611 |
|
---|
| 612 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
| 613 |
|
---|
| 614 | /* éä¿¡ãã¤ã³ã¿ãé²ããã*/
|
---|
| 615 | if (sptr - buffer + slen >= sizeof(buffer))
|
---|
| 616 | sptr -= sizeof(buffer) - slen;
|
---|
| 617 | else
|
---|
| 618 | sptr += slen;
|
---|
| 619 |
|
---|
| 620 | /* ãããã¡å
|
---|
| 621 | ã®æåæ°ãæ¸ããã*/
|
---|
| 622 | last = chars;
|
---|
| 623 | chars -= (uint16_t)slen;
|
---|
| 624 |
|
---|
| 625 | /* åä¿¡å®äºã§ããããã¡ã«æåããªããã°çµäºããã*/
|
---|
| 626 | if (!ena_rcv && chars == 0) {
|
---|
| 627 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
| 628 | break;
|
---|
| 629 | }
|
---|
| 630 |
|
---|
| 631 | /* ãããã¡å
|
---|
| 632 | ã«æåãããã°ãéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
| 633 | if (chars > 0)
|
---|
| 634 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
| 635 |
|
---|
| 636 | /* åä¿¡å¯è½ã§ããããã¡å
|
---|
| 637 | ã«ç©ºããã§ããã°ãåä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
| 638 | if (ena_rcv && last == sizeof(buffer) && sizeof(buffer) - chars > 0)
|
---|
| 639 | sig_sem(SEM_TCP_ECHO_SRV_RCV_READY);
|
---|
| 640 |
|
---|
| 641 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
| 642 | }
|
---|
| 643 |
|
---|
| 644 | /* åä¿¡ãããã¡ã«ç©ºãã§ãããå¾
|
---|
| 645 | ã£ã¦ããåä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
| 646 | if (chars == sizeof(buffer))
|
---|
| 647 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
| 648 |
|
---|
| 649 | #ifdef USE_TCP_SHT_CEP
|
---|
| 650 | if ((error = tcp_sht_cep(cepid)) != E_OK)
|
---|
| 651 | syslog(LOG_NOTICE, "[TES:%02d SND] shtudown error = %s", cepid, itron_strerror(error));
|
---|
| 652 | #endif /* of #ifdef USE_TCP_SHT_CEP */
|
---|
| 653 |
|
---|
| 654 | if ((error = tcp_cls_cep(cepid, TMO_FEVR)) != E_OK)
|
---|
| 655 | syslog(LOG_NOTICE, "[TES:%02d SND] close error = %s", cepid, itron_strerror(error));
|
---|
| 656 |
|
---|
| 657 | get_tim(&now);
|
---|
| 658 | syslog(LOG_NOTICE, "[TES:%02d SND] finished: %6ld, snd: %4d, rcv: %4d, len: %ld",
|
---|
| 659 | cepid, now / SYSTIM_HZ, snd_count, rcv_count, snd_total);
|
---|
| 660 |
|
---|
| 661 | sig_sem(SEM_TCP_ECHO_SRV_CLS_READY);
|
---|
| 662 |
|
---|
| 663 | pol_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
| 664 | pol_sem(SEM_TCP_ECHO_SRV_RCV_READY);
|
---|
| 665 | }
|
---|
| 666 | }
|
---|
| 667 |
|
---|
| 668 | #endif /* of #ifdef USE_TCP_NON_BLOCKING */
|
---|
| 669 |
|
---|
| 670 | #ifdef USE_TCP_EXTENTIONS
|
---|
| 671 |
|
---|
| 672 | /*
|
---|
| 673 | * get_tcp_rep -- TCP åä»å£ãç²å¾ããã
|
---|
| 674 | */
|
---|
| 675 |
|
---|
| 676 | static ER
|
---|
| 677 | get_tcp_rep (ID *repid)
|
---|
| 678 | {
|
---|
| 679 | ID tskid;
|
---|
| 680 | T_TCP_CREP crep;
|
---|
| 681 |
|
---|
| 682 | get_tid(&tskid);
|
---|
| 683 |
|
---|
| 684 | crep.repatr = UINT_C(0);
|
---|
| 685 | crep.myaddr.portno = UINT_C(7);
|
---|
| 686 |
|
---|
| 687 | #if defined(SUPPORT_INET4)
|
---|
| 688 | crep.myaddr.ipaddr = IPV4_ADDRANY;
|
---|
| 689 | #endif
|
---|
| 690 |
|
---|
| 691 | #if defined(SUPPORT_INET6)
|
---|
| 692 | memcpy(&crep.myaddr.ipaddr, &ipv6_addrany, sizeof(T_IN6_ADDR));
|
---|
| 693 | #endif
|
---|
| 694 |
|
---|
| 695 | return alloc_tcp_rep(repid, tskid, &crep);
|
---|
| 696 | }
|
---|
| 697 |
|
---|
| 698 | /*
|
---|
| 699 | * get_tcp_cep -- TCP é信端ç¹ãç²å¾ããã
|
---|
| 700 | */
|
---|
| 701 |
|
---|
| 702 | static ER
|
---|
| 703 | get_tcp_cep (ID *cepid)
|
---|
| 704 | {
|
---|
| 705 | ID tskid;
|
---|
| 706 | T_TCP_CCEP ccep;
|
---|
| 707 |
|
---|
| 708 | get_tid(&tskid);
|
---|
| 709 |
|
---|
| 710 | ccep.cepatr = UINT_C(0);
|
---|
| 711 | ccep.sbufsz = TCP_ECHO_SRV_SWBUF_SIZE;
|
---|
| 712 | ccep.rbufsz = TCP_ECHO_SRV_RWBUF_SIZE;
|
---|
| 713 |
|
---|
| 714 | #ifdef TCP_CFG_SWBUF_CSAVE
|
---|
| 715 | ccep.sbuf = NADR;
|
---|
| 716 | #else
|
---|
| 717 | ccep.sbuf = tcp_echo_srv_swbuf;
|
---|
| 718 | #endif
|
---|
| 719 | #ifdef TCP_CFG_RWBUF_CSAVE
|
---|
| 720 | ccep.rbuf = NADR;
|
---|
| 721 | #else
|
---|
| 722 | ccep.rbuf = tcp_echo_srv_rwbuf;
|
---|
| 723 | #endif
|
---|
| 724 | #ifdef USE_TCP_NON_BLOCKING
|
---|
| 725 | ccep.callback = (FP)callback_nblk_tcp_echo_srv;
|
---|
| 726 | #else
|
---|
| 727 | ccep.callback = NULL;
|
---|
| 728 | #endif
|
---|
| 729 |
|
---|
| 730 | return alloc_tcp_cep(cepid, tskid, &ccep);
|
---|
| 731 | }
|
---|
| 732 |
|
---|
| 733 | /*
|
---|
| 734 | * TCP ECHO ãµã¼ãåä¿¡ã¿ã¹ã¯
|
---|
| 735 | */
|
---|
| 736 |
|
---|
| 737 | void
|
---|
| 738 | tcp_echo_srv_rcv_task (intptr_t exinf)
|
---|
| 739 | {
|
---|
| 740 | ID tskid, cepid, repid;
|
---|
| 741 | ER error = E_OK;
|
---|
| 742 |
|
---|
| 743 | syscall(get_tid(&tskid));
|
---|
| 744 | syslog(LOG_NOTICE, "[TCP ECHO SRV:%d] started.", tskid);
|
---|
| 745 | while (true) {
|
---|
| 746 |
|
---|
| 747 | syscall(slp_tsk());
|
---|
| 748 | if ((error = get_tcp_cep (&cepid)) != E_OK) {
|
---|
| 749 | syslog(LOG_NOTICE, "[TES:00 EXT] CEP create error: %s", itron_strerror(error));
|
---|
| 750 | continue;
|
---|
| 751 | }
|
---|
| 752 |
|
---|
| 753 | while (true) {
|
---|
| 754 |
|
---|
| 755 | if ((error = get_tcp_rep (&repid)) != E_OK) {
|
---|
| 756 | syslog(LOG_NOTICE, "[TES:00 EXT] REP create error: %s", itron_strerror(error));
|
---|
| 757 | break;
|
---|
| 758 | }
|
---|
| 759 | else if ((error = tcp_echo_srv_rcv(cepid, repid)) != E_OK) {
|
---|
| 760 | error = free_tcp_rep(repid, error != E_DLT);
|
---|
| 761 | break;
|
---|
| 762 | }
|
---|
| 763 | }
|
---|
| 764 |
|
---|
| 765 | if ((error = free_tcp_cep(cepid)) != E_OK)
|
---|
| 766 | syslog(LOG_NOTICE, "[TES:%02d EXT] CEP delete error: %s", cepid, itron_strerror(error));
|
---|
| 767 |
|
---|
| 768 | }
|
---|
| 769 | }
|
---|
| 770 |
|
---|
| 771 | #else /* of #ifdef USE_TCP_EXTENTIONS */
|
---|
| 772 |
|
---|
| 773 | void
|
---|
| 774 | tcp_echo_srv_rcv_task(intptr_t exinf)
|
---|
| 775 | {
|
---|
| 776 | ID tskid;
|
---|
| 777 |
|
---|
| 778 | get_tid(&tskid);
|
---|
| 779 | syslog(LOG_NOTICE, "[TCP ECHO SRV RCV:%d,%d] started.", tskid, (ID)exinf);
|
---|
| 780 | while (true) {
|
---|
| 781 | while (tcp_echo_srv_rcv((ID)exinf, TCP_ECHO_SRV_REPID) == E_OK)
|
---|
| 782 | ;
|
---|
| 783 | }
|
---|
| 784 | }
|
---|
| 785 |
|
---|
| 786 | #endif /* of #ifdef USE_TCP_EXTENTIONS */
|
---|
| 787 |
|
---|
| 788 | #endif /* of #ifdef USE_TCP_ECHO_SRV2 */
|
---|