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));
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351 |
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352 | /* å¾
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353 | ã£ã¦ããéã«ãåä¿¡æåæ°ã 0 ã«ãªãããã¨ã©ã¼ã«ãªã£ããçµäºããã*/
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354 | if (rcv_error <= 0)
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355 | break;
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356 |
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357 | }
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358 |
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359 | /* åä¿¡å®äº */
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360 | ena_rcv = false;
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361 |
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362 | /* åä¿¡ãããã¡ã«æåãå
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363 | ¥ãã®ãå¾
|
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364 | ã£ã¦ããéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
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365 | if (chars == 0)
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366 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
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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)
|
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775 | {
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776 | ID tskid;
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777 |
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778 | get_tid(&tskid);
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779 | syslog(LOG_NOTICE, "[TCP ECHO SRV RCV:%d,%d] started.", tskid, (ID)exinf);
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780 | while (true) {
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781 | while (tcp_echo_srv_rcv((ID)exinf, TCP_ECHO_SRV_REPID) == E_OK)
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782 | ;
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783 | }
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784 | }
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785 |
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786 | #endif /* of #ifdef USE_TCP_EXTENTIONS */
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787 |
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788 | #endif /* of #ifdef USE_TCP_ECHO_SRV2 */
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