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: tcp_echo_srv2.c 313 2017-07-23 04:50:32Z 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/tcp.h>
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85 |
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86 | #include <netapp/netapp.h>
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87 | #include <netapp/netapp_var.h>
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88 | #include <netapp/tcp_echo_srv2.h>
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89 |
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90 | #ifdef USE_TCP_ECHO_SRV2
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91 |
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92 | /*
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93 | * 表示
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94 | */
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95 |
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96 | /*#define SHOW_RCV_RANGE*/
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97 |
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98 | /*
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99 | * ã³ãã¯ã·ã§ã³åææ¹æ³ã®æå®
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100 | */
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101 |
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102 | /*#define USE_TCP_SHT_CEP*/
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103 |
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104 | /*
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105 | * å
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106 | ¨åå¤æ°
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107 | */
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108 |
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109 | /* TCP éåä¿¡ã¦ã£ã³ããããã¡ */
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110 |
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111 | #ifndef TCP_CFG_SWBUF_CSAVE
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112 | uint8_t tcp_echo_srv_swbuf[NUM_TCP_ECHO_SRV_TASKS][TCP_ECHO_SRV_SWBUF_SIZE];
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113 | #endif
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114 |
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115 | #ifndef TCP_CFG_RWBUF_CSAVE
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116 | uint8_t tcp_echo_srv_rwbuf[NUM_TCP_ECHO_SRV_TASKS][TCP_ECHO_SRV_RWBUF_SIZE];
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117 | #endif
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118 |
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119 | /*
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120 | * å¤æ°
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121 | */
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122 |
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123 | /*
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124 | * 注æ:
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125 | *
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126 | * BUF_SIZE 㯠TCP ã®
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127 | * éä¿¡ã¦ã¤ã³ãã¦ãããã¡ãµã¤ãº + åä¿¡ã¦ã¤ã³ãã¦ãããã¡ãµã¤ãºã®
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128 | * 3/2 å以ä¸ã®å¤§ããããªããã°ããããããã¯ããå¯è½æ§ãããã
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129 | */
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130 |
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131 | #define BUF_SIZE ((TCP_ECHO_SRV_SWBUF_SIZE + \
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132 | TCP_ECHO_SRV_RWBUF_SIZE) * 3 / 2)
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133 |
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134 | static char buffer[BUF_SIZE]; /* ãããã¡ */
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135 |
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136 | static T_IPEP dst; /* æ¥ç¶ç¸æ */
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137 | static bool_t ena_rcv; /* åä¿¡å¯è½ãã©ã° */
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138 | static char *rptr = buffer; /* åä¿¡ãã¤ã³ã¿ */
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139 | static char *sptr = buffer; /* éä¿¡ãã¤ã³ã¿ */
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140 | static uint32_t rcv_total; /* åä¿¡æåæ° */
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141 | static uint32_t snd_total; /* éä¿¡æåæ° */
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142 | static uint16_t chars; /* ãããã¡å
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143 | ã®æåæ° */
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144 | static uint16_t rcv_count; /* åä¿¡åæ° */
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145 | static uint16_t snd_count; /* éä¿¡åæ° */
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146 |
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147 | #ifdef USE_TCP_NON_BLOCKING
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148 |
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149 | static ER rcv_error = E_OK; /* åä¿¡ããã³ããããã³ã°ã³ã¼ã«ã¨ã©ã¼ */
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150 | static ER snd_error = 1; /* éä¿¡ããã³ããããã³ã°ã³ã¼ã«ã¨ã©ã¼ */
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151 |
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152 | /*
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153 | * ãã³ããããã³ã°ã³ã¼ã«ã®ã³ã¼ã«ããã¯é¢æ°
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154 | */
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155 |
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156 | ER
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157 | callback_nblk_tcp_echo_srv (ID cepid, FN fncd, void *p_parblk)
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158 | {
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159 | ER error = E_OK;
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160 | ER_UINT slen, rlen;
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161 | SYSTIM now;
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162 | uint16_t last;
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163 | char head, tail;
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164 |
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165 | get_tim(&now);
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166 |
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167 | switch (fncd) {
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168 |
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169 | case TFN_TCP_ACP_CEP:
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170 | rcv_error = *(ER*)p_parblk;
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171 | if (rcv_error == E_OK) {
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172 | sptr = rptr = buffer;
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173 | snd_count = snd_total = rcv_count = rcv_total = chars = 0;
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174 | snd_error = 1;
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175 | ena_rcv = true;
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176 | syslog(LOG_NOTICE, "[TES:%02u CBN] connect: %6lu, from: %s.%d",
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177 | cepid, now / SYSTIM_HZ, IP2STR(NULL, &dst.ipaddr), dst.portno);
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178 | }
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179 | else
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180 | syslog(LOG_NOTICE, "[TES:%02u CBN] accept error: %s\n", cepid, itron_strerror(rcv_error));
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181 |
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182 | syscall(sig_sem(SEM_TCP_ECHO_SRV_RCV_READY));
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183 | break;
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184 |
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185 | case TFN_TCP_SND_DAT:
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186 | slen = snd_error = *(ER*)p_parblk;
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187 | if (slen > 0) {
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188 | head = *sptr;
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189 | tail = *(sptr + slen - 1);
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190 | #ifdef SHOW_RCV_RANGE
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191 | syslog(LOG_NOTICE, "[TES:%02u CBN] send len: %4u, data %02x -> %02x",
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192 | cepid, (uint16_t)slen, head, tail);
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193 | #endif /* of #ifdef SHOW_RCV_RANGE */
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194 | snd_count ++;
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195 | snd_total += slen;
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196 |
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197 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
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198 |
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199 | /* éä¿¡ãã¤ã³ã¿ãé²ããã*/
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200 | if (sptr - buffer + slen >= sizeof(buffer))
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201 | sptr -= sizeof(buffer) - slen;
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202 | else
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203 | sptr += slen;
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204 |
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205 | /* ãããã¡å
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206 | ã®æåæ°ãæ¸ããã*/
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207 | last = chars;
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208 | chars -= slen;
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209 |
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210 | /* ãããã¡å
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211 | ã«æåãããã°ãéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
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212 | if (chars > 0 || (!ena_rcv && chars == 0))
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213 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
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214 |
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215 | /* åä¿¡å¯è½ã§ããããã¡å
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216 | ã«ç©ºããã§ããã°ãåä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
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217 | if (ena_rcv && last == sizeof(buffer) && sizeof(buffer) - chars > 0)
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218 | syscall(sig_sem(SEM_TCP_ECHO_SRV_RCV_READY));
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219 |
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220 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
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221 | }
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222 | else {
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223 | syslog(LOG_NOTICE, "[TES:%02u CBN] send error = %s", cepid, itron_strerror(snd_error));
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224 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
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225 | }
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226 | break;
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227 |
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228 | case TFN_TCP_RCV_DAT:
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229 | rlen = rcv_error = *(ER*)p_parblk;
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230 | if (rlen > 0) {
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231 | head = *rptr;
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232 | tail = *(rptr + rlen - 1);
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233 | #ifdef SHOW_RCV_RANGE
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234 | syslog(LOG_NOTICE, "[TES:%02u CBN] recv len: %4u, data %02x -> %02x",
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235 | cepid, (uint16_t)rlen, head, tail);
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236 | #endif /* of #ifdef SHOW_RCV_RANGE */
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237 | rcv_count ++;
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238 | rcv_total += rlen;
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239 |
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240 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
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241 |
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242 | /* åä¿¡ãã¤ã³ã¿ãé²ããã*/
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243 | if (rptr - buffer + rlen >= sizeof(buffer))
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244 | rptr -= sizeof(buffer) - rlen;
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245 | else
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246 | rptr += rlen;
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247 |
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248 | /* ãããã¡å
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249 | ã®æåæ°ãå¢ããã*/
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250 | last = chars;
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251 | chars += rlen;
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252 |
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253 | /* ãããã¡å
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254 | ã«æåãå
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255 | ¥ãã°ãéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
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256 | if (last == 0 && chars > 0)
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257 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
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258 |
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259 | /* ãããã¡å
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260 | ã«ç©ºããããã°ãåä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
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261 | if (sizeof(buffer) - chars > 0)
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262 | sig_sem(SEM_TCP_ECHO_SRV_RCV_READY);
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263 |
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264 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
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265 | }
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266 | else {
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267 | if (rlen < 0)
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268 | syslog(LOG_NOTICE, "[TES:%02u CBN] recv error = %s", cepid, itron_strerror(rcv_error));
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269 | sig_sem(SEM_TCP_ECHO_SRV_RCV_READY);
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270 | }
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271 | break;
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272 |
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273 | case TFN_TCP_CLS_CEP:
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274 | snd_error = *(ER*)p_parblk;
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275 | if (snd_error != E_OK)
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276 | syslog(LOG_NOTICE, "[TES:%02u CBN] close error = %s", cepid, itron_strerror(snd_error));
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277 |
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278 | syslog(LOG_NOTICE, "[TES:%02u CBN] finish: %6lu, snd: %4u, rcv: %4u, len: %ld",
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279 | cepid, now / SYSTIM_HZ, snd_count, rcv_count, snd_total);
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280 |
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281 | sig_sem(SEM_TCP_ECHO_SRV_CLS_READY);
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282 | break;
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283 |
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284 | case TFN_TCP_CON_CEP:
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285 | case TFN_TCP_GET_BUF:
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286 | case TFN_TCP_RCV_BUF:
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287 | case TFN_TCP_SND_OOB:
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288 | default:
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289 | error = E_PAR;
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290 | }
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291 | return error;
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292 | }
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293 |
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294 | /*
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295 | * TCP ECHO ãµã¼ãåä¿¡ã«ã¼ãã³ (ãã³ããããã³ã°ã³ã¼ã«ä½¿ç¨)
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296 | */
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297 |
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298 | ER
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299 | tcp_echo_srv_rcv (ID cepid, ID repid)
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300 | {
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301 | ER error;
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302 | uint16_t blen;
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303 |
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304 | if ((error = psnd_dtq(DTQ_TCP_ECHO_SRV_SND, (intptr_t)cepid)) != E_OK) {
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305 | syslog(LOG_NOTICE, "[TES:%02u RCV] sync error: %s", cepid, itron_strerror(error));
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306 | return error;
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307 | }
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308 |
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309 | if ((error = TCP_ACP_CEP(cepid, repid, &dst, TMO_NBLK)) != E_WBLK) {
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310 | syslog(LOG_NOTICE, "[TES:%02u ACP] accept error = %s", cepid, itron_strerror(error));
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311 | return error;
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312 | }
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313 |
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314 | /* ã³ãã¯ã·ã§ã³éè¨å®äºã¾ã§å¾
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315 | ã¤ã*/
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316 | syscall(wai_sem(SEM_TCP_ECHO_SRV_RCV_READY));
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317 |
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318 | /* å¾
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319 | ã£ã¦ããéã«ã¨ã©ã¼ã«ãªã£ãããã³ãã¯ã·ã§ã³ã®éè¨å¾
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320 | ã¡ã«æ»ãã*/
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321 | if (rcv_error != E_OK)
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322 | return rcv_error;
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323 |
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324 | #ifdef USE_TCP_EXTENTIONS
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325 | if ((error = FREE_TCP_REP(repid, true)) != E_OK) {
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326 | syslog(LOG_NOTICE, "[TES:%02u DEL] REP delete error: %s", cepid, itron_strerror(error));
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327 | return error;
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328 | }
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329 | #endif /* of #ifdef USE_TCP_EXTENTIONS */
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330 |
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331 | while (true) {
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332 |
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333 | /* åä¿¡ãµã¤ãºãè¨ç®ããã*/
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334 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
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335 | if (sptr > rptr)
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336 | blen = sptr - rptr;
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337 | else
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338 | blen = sizeof(buffer) - (rptr - buffer);
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339 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
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340 |
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341 | /* åä¿¡ããã*/
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342 | if ((error = tcp_rcv_dat(cepid, rptr, blen, TMO_NBLK)) != E_WBLK) {
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343 | syslog(LOG_NOTICE, "[TES:%02u RCV] recv error = %s", cepid, itron_strerror(error));
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344 | break;
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345 | }
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346 |
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347 | /* åä¿¡ãããã¡ã«ç©ºãã§ããã¾ã§å¾
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348 | ã¤ã*/
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349 | syscall(wai_sem(SEM_TCP_ECHO_SRV_RCV_READY));
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350 |
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351 | /* å¾
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352 | ã£ã¦ããéã«ãåä¿¡æåæ°ã 0 ã«ãªãããã¨ã©ã¼ã«ãªã£ããçµäºããã*/
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353 | if (rcv_error <= 0)
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354 | break;
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355 |
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356 | }
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357 |
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358 | /* åä¿¡å®äº */
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359 | ena_rcv = false;
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360 |
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361 | /* åä¿¡ãããã¡ã«æåãå
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362 | ¥ãã®ãå¾
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363 | ã£ã¦ããéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
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364 | if (chars == 0)
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365 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
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366 |
|
---|
367 | /* ã³ãã¯ã·ã§ã³åæå®äºã¾ã§å¾
|
---|
368 | ã¤ã*/
|
---|
369 | syscall(wai_sem(SEM_TCP_ECHO_SRV_CLS_READY));
|
---|
370 |
|
---|
371 | return error == E_WBLK ? E_OK : error;
|
---|
372 | }
|
---|
373 |
|
---|
374 | /*
|
---|
375 | * TCP ECHO ãµã¼ãéä¿¡ã¿ã¹ã¯ (ãã³ããããã³ã°ã³ã¼ã«ä½¿ç¨)
|
---|
376 | */
|
---|
377 |
|
---|
378 | void
|
---|
379 | tcp_echo_srv_snd_task(intptr_t exinf)
|
---|
380 | {
|
---|
381 | ER error;
|
---|
382 | ID tskid, cepid;
|
---|
383 | uint16_t blen;
|
---|
384 |
|
---|
385 | get_tid(&tskid);
|
---|
386 | syslog(LOG_NOTICE, "[TCP ECHO SRV (NBLK) SND:%d] started.", tskid);
|
---|
387 | while (true) {
|
---|
388 | if ((error = rcv_dtq(DTQ_TCP_ECHO_SRV_SND, (intptr_t*)&cepid)) != E_OK) {
|
---|
389 | syslog(LOG_NOTICE, "[TES:%02u SND] sync error: %s",
|
---|
390 | cepid, itron_strerror(error));
|
---|
391 | continue;
|
---|
392 | }
|
---|
393 |
|
---|
394 | while (true) {
|
---|
395 |
|
---|
396 | /* ãããã¡ã«æåãå
|
---|
397 | ¥ãã¾ã§å¾
|
---|
398 | ã¤ã*/
|
---|
399 | syscall(wai_sem(SEM_TCP_ECHO_SRV_SND_READY));
|
---|
400 |
|
---|
401 | /* å¾
|
---|
402 | ã£ã¦ããéã«ã¨ã©ã¼ã«ãªã£ããçµäºããã*/
|
---|
403 | if (snd_error <= 0)
|
---|
404 | break;
|
---|
405 |
|
---|
406 | /* åä¿¡å®äºã§ããããã¡ã«æåããªããã°çµäºããã*/
|
---|
407 | if (!ena_rcv && chars == 0)
|
---|
408 | break;
|
---|
409 |
|
---|
410 | /* éä¿¡ãµã¤ãºãè¨ç®ããã*/
|
---|
411 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
412 | if (rptr > sptr)
|
---|
413 | blen = rptr - sptr;
|
---|
414 | else
|
---|
415 | blen = sizeof(buffer) - (sptr - buffer);
|
---|
416 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
417 |
|
---|
418 | /* éä¿¡ããã*/
|
---|
419 | if ((error = tcp_snd_dat(cepid, sptr, blen, TMO_NBLK)) != E_WBLK) {
|
---|
420 | syslog(LOG_NOTICE, "[TES:%02u SND] send error = %s", cepid, itron_strerror(error));
|
---|
421 | break;
|
---|
422 | }
|
---|
423 | }
|
---|
424 |
|
---|
425 | /* åä¿¡ãããã¡ã«ç©ºãã§ãããå¾
|
---|
426 | ã£ã¦ããåä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
427 | if (chars == sizeof(buffer))
|
---|
428 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
429 |
|
---|
430 | #ifdef USE_TCP_SHT_CEP
|
---|
431 | if ((error = tcp_sht_cep(cepid)) != E_OK)
|
---|
432 | syslog(LOG_NOTICE, "[TES:%02u SND] shutdown error = %s", cepid, itron_strerror(error));
|
---|
433 | #endif /* of #ifdef USE_TCP_SHT_CEP */
|
---|
434 |
|
---|
435 | if ((error = tcp_cls_cep(cepid, TMO_NBLK)) != E_WBLK) {
|
---|
436 | syslog(LOG_NOTICE, "[TES:%02u SND] close error = %s", cepid, itron_strerror(error));
|
---|
437 | }
|
---|
438 |
|
---|
439 | pol_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
440 | pol_sem(SEM_TCP_ECHO_SRV_RCV_READY);
|
---|
441 | }
|
---|
442 | }
|
---|
443 |
|
---|
444 | #else /* of #ifdef USE_TCP_NON_BLOCKING */
|
---|
445 |
|
---|
446 | /*
|
---|
447 | * TCP ECHO ãµã¼ãåä¿¡ã«ã¼ãã³
|
---|
448 | */
|
---|
449 |
|
---|
450 | ER
|
---|
451 | tcp_echo_srv_rcv (ID cepid, ID repid)
|
---|
452 | {
|
---|
453 | ER_UINT rlen;
|
---|
454 | ER error;
|
---|
455 | SYSTIM now;
|
---|
456 | uint16_t blen, last;
|
---|
457 | char head, tail;
|
---|
458 |
|
---|
459 | if ((error = psnd_dtq(DTQ_TCP_ECHO_SRV_SND, (intptr_t)cepid)) != E_OK) {
|
---|
460 | syslog(LOG_NOTICE, "[TES:%02u RCV] sync error: %s", cepid, itron_strerror(error));
|
---|
461 | return error;
|
---|
462 | }
|
---|
463 |
|
---|
464 | if ((error = TCP_ACP_CEP(cepid, repid, &dst, TMO_FEVR)) != E_OK) {
|
---|
465 | syslog(LOG_NOTICE, "[TES:%02u ACP] accept error = %s", cepid, itron_strerror(error));
|
---|
466 | return error;
|
---|
467 | }
|
---|
468 |
|
---|
469 | #ifdef USE_TCP_EXTENTIONS
|
---|
470 | if ((error = FREE_TCP_REP(repid, true)) != E_OK) {
|
---|
471 | syslog(LOG_NOTICE, "[TES:%02u DEL] REP delete error: %s", cepid, itron_strerror(error));
|
---|
472 | return error;
|
---|
473 | }
|
---|
474 | #endif /* of #ifdef USE_TCP_EXTENTIONS */
|
---|
475 |
|
---|
476 | syscall(get_tim(&now));
|
---|
477 | syslog(LOG_NOTICE, "[TES:%02u ACP] connect: %6lu, from: %s.%d",
|
---|
478 | cepid, now / SYSTIM_HZ, IP2STR(NULL, &dst.ipaddr), dst.portno);
|
---|
479 | sptr = rptr = buffer;
|
---|
480 | snd_count = snd_total = rcv_count = rcv_total = chars = 0;
|
---|
481 | ena_rcv = true;
|
---|
482 | while (true) {
|
---|
483 |
|
---|
484 | /* åä¿¡ãµã¤ãºãè¨ç®ããã*/
|
---|
485 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
486 | if (sptr > rptr)
|
---|
487 | blen = sptr - rptr;
|
---|
488 | else
|
---|
489 | blen = sizeof(buffer) - (rptr - buffer);
|
---|
490 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
491 |
|
---|
492 | /* åä¿¡ããã*/
|
---|
493 | if ((rlen = tcp_rcv_dat(cepid, rptr, blen, TMO_FEVR)) <= 0) {
|
---|
494 | if (rlen < 0)
|
---|
495 | syslog(LOG_NOTICE, "[TES:%02u RCV] recv error = %s",
|
---|
496 | cepid, itron_strerror(rlen));
|
---|
497 | break;
|
---|
498 | }
|
---|
499 | head = *rptr;
|
---|
500 | tail = *(rptr + rlen - 1);
|
---|
501 | #ifdef SHOW_RCV_RANGE
|
---|
502 | syslog(LOG_NOTICE, "[TES:%02u RCV] len: %4u, data %02x -> %02x",
|
---|
503 | cepid, (uint16_t)rlen, head, tail);
|
---|
504 | #endif /* of #ifdef SHOW_RCV_RANGE */
|
---|
505 | rcv_count ++;
|
---|
506 | rcv_total += rlen;
|
---|
507 |
|
---|
508 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
509 |
|
---|
510 | /* åä¿¡ãã¤ã³ã¿ãé²ããã*/
|
---|
511 | if (rptr - buffer + rlen >= sizeof(buffer))
|
---|
512 | rptr -= sizeof(buffer) - rlen;
|
---|
513 | else
|
---|
514 | rptr += rlen;
|
---|
515 |
|
---|
516 | /* ãããã¡å
|
---|
517 | ã®æåæ°ãå¢ããã*/
|
---|
518 | last = chars;
|
---|
519 | chars += (uint16_t)rlen;
|
---|
520 |
|
---|
521 | /* ãããã¡å
|
---|
522 | ã«æåãå
|
---|
523 | ¥ãã°ãéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
524 | if (last == 0 && chars > 0)
|
---|
525 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
526 |
|
---|
527 | /* ãããã¡å
|
---|
528 | ã«ç©ºããããã°ãåä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
529 | if (sizeof(buffer) - chars > 0)
|
---|
530 | sig_sem(SEM_TCP_ECHO_SRV_RCV_READY);
|
---|
531 |
|
---|
532 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
533 |
|
---|
534 | /* ãããã¡ã«ç©ºããã§ããã¾ã§å¾
|
---|
535 | ã¤ã*/
|
---|
536 | syscall(wai_sem(SEM_TCP_ECHO_SRV_RCV_READY));
|
---|
537 | }
|
---|
538 |
|
---|
539 | /* åä¿¡å®äº */
|
---|
540 | ena_rcv = false;
|
---|
541 |
|
---|
542 | /* åä¿¡ãããã¡ã«æåãå
|
---|
543 | ¥ãã®ãå¾
|
---|
544 | ã£ã¦ããéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
545 | if (chars == 0)
|
---|
546 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
547 |
|
---|
548 | /* ã³ãã¯ã·ã§ã³ã®åæãå®äºããã¾ã§å¾
|
---|
549 | ã¤ã*/
|
---|
550 | syscall(wai_sem(SEM_TCP_ECHO_SRV_CLS_READY));
|
---|
551 |
|
---|
552 | return error;
|
---|
553 | }
|
---|
554 |
|
---|
555 | /*
|
---|
556 | * TCP ECHO ãµã¼ãéä¿¡ã¿ã¹ã¯
|
---|
557 | */
|
---|
558 |
|
---|
559 | void
|
---|
560 | tcp_echo_srv_snd_task(intptr_t exinf)
|
---|
561 | {
|
---|
562 | ID tskid, cepid;
|
---|
563 | ER error;
|
---|
564 | ER_UINT slen;
|
---|
565 | SYSTIM now;
|
---|
566 | uint16_t blen, last;
|
---|
567 | char head, tail;
|
---|
568 |
|
---|
569 | get_tid(&tskid);
|
---|
570 | syslog(LOG_NOTICE, "[TCP ECHO SRV SND:%d] started.", tskid);
|
---|
571 | while (true) {
|
---|
572 | if ((error = rcv_dtq(DTQ_TCP_ECHO_SRV_SND, (intptr_t*)&cepid)) != E_OK) {
|
---|
573 | syslog(LOG_NOTICE, "[TES:%02u SND] sync error: %s",
|
---|
574 | cepid, itron_strerror(error));
|
---|
575 | continue;
|
---|
576 | }
|
---|
577 |
|
---|
578 | while (true) {
|
---|
579 |
|
---|
580 | /* ãããã¡ã«æåãå
|
---|
581 | ¥ãã¾ã§å¾
|
---|
582 | ã¤ã*/
|
---|
583 | syscall(wai_sem(SEM_TCP_ECHO_SRV_SND_READY));
|
---|
584 |
|
---|
585 | /* åä¿¡å®äºã§ããããã¡ã«æåããªããã°çµäºããã*/
|
---|
586 | if (!ena_rcv && chars == 0)
|
---|
587 | break;
|
---|
588 |
|
---|
589 | /* éä¿¡ãµã¤ãºãè¨ç®ããã*/
|
---|
590 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
591 | if (rptr > sptr)
|
---|
592 | blen = rptr - sptr;
|
---|
593 | else
|
---|
594 | blen = sizeof(buffer) - (sptr - buffer);
|
---|
595 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
596 |
|
---|
597 | if ((slen = tcp_snd_dat(cepid, sptr, blen, TMO_FEVR)) <= 0) {
|
---|
598 | syslog(LOG_NOTICE, "[TES:%02u SND] send error = %s", cepid, itron_strerror(slen));
|
---|
599 | break;
|
---|
600 | }
|
---|
601 |
|
---|
602 | head = *sptr;
|
---|
603 | tail = *(sptr + slen - 1);
|
---|
604 | #ifdef SHOW_RCV_RANGE
|
---|
605 | syslog(LOG_NOTICE, "[TES:%02u SND] len: %4u, data %02x -> %02x",
|
---|
606 | cepid, (uint16_t)slen, head, tail);
|
---|
607 | #endif /* of #ifdef SHOW_RCV_RANGE */
|
---|
608 | snd_count ++;
|
---|
609 | snd_total += slen;
|
---|
610 |
|
---|
611 | syscall(wai_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
612 |
|
---|
613 | /* éä¿¡ãã¤ã³ã¿ãé²ããã*/
|
---|
614 | if (sptr - buffer + slen >= sizeof(buffer))
|
---|
615 | sptr -= sizeof(buffer) - slen;
|
---|
616 | else
|
---|
617 | sptr += slen;
|
---|
618 |
|
---|
619 | /* ãããã¡å
|
---|
620 | ã®æåæ°ãæ¸ããã*/
|
---|
621 | last = chars;
|
---|
622 | chars -= (uint16_t)slen;
|
---|
623 |
|
---|
624 | /* åä¿¡å®äºã§ããããã¡ã«æåããªããã°çµäºããã*/
|
---|
625 | if (!ena_rcv && chars == 0) {
|
---|
626 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
627 | break;
|
---|
628 | }
|
---|
629 |
|
---|
630 | /* ãããã¡å
|
---|
631 | ã«æåãããã°ãéä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
632 | if (chars > 0)
|
---|
633 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
634 |
|
---|
635 | /* åä¿¡å¯è½ã§ããããã¡å
|
---|
636 | ã«ç©ºããã§ããã°ãåä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
637 | if (ena_rcv && last == sizeof(buffer) && sizeof(buffer) - chars > 0)
|
---|
638 | sig_sem(SEM_TCP_ECHO_SRV_RCV_READY);
|
---|
639 |
|
---|
640 | syscall(sig_sem(SEM_TCP_ECHO_SRV_LOCK));
|
---|
641 | }
|
---|
642 |
|
---|
643 | /* åä¿¡ãããã¡ã«ç©ºãã§ãããå¾
|
---|
644 | ã£ã¦ããåä¿¡ã¿ã¹ã¯ãèµ·åºããã*/
|
---|
645 | if (chars == sizeof(buffer))
|
---|
646 | sig_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
647 |
|
---|
648 | #ifdef USE_TCP_SHT_CEP
|
---|
649 | if ((error = tcp_sht_cep(cepid)) != E_OK)
|
---|
650 | syslog(LOG_NOTICE, "[TES:%02u SND] shtudown error = %s", cepid, itron_strerror(error));
|
---|
651 | #endif /* of #ifdef USE_TCP_SHT_CEP */
|
---|
652 |
|
---|
653 | if ((error = tcp_cls_cep(cepid, TMO_FEVR)) != E_OK)
|
---|
654 | syslog(LOG_NOTICE, "[TES:%02u SND] close error = %s", cepid, itron_strerror(error));
|
---|
655 |
|
---|
656 | get_tim(&now);
|
---|
657 | syslog(LOG_NOTICE, "[TES:%02u SND] finish: %6lu, snd: %4u, rcv: %4u, len: %ld",
|
---|
658 | cepid, now / SYSTIM_HZ, snd_count, rcv_count, snd_total);
|
---|
659 |
|
---|
660 | sig_sem(SEM_TCP_ECHO_SRV_CLS_READY);
|
---|
661 |
|
---|
662 | pol_sem(SEM_TCP_ECHO_SRV_SND_READY);
|
---|
663 | pol_sem(SEM_TCP_ECHO_SRV_RCV_READY);
|
---|
664 | }
|
---|
665 | }
|
---|
666 |
|
---|
667 | #endif /* of #ifdef USE_TCP_NON_BLOCKING */
|
---|
668 |
|
---|
669 | #ifdef USE_TCP_EXTENTIONS
|
---|
670 |
|
---|
671 | /*
|
---|
672 | * get_tcp_rep -- TCP åä»å£ãç²å¾ããã
|
---|
673 | */
|
---|
674 |
|
---|
675 | static ER
|
---|
676 | get_tcp_rep (ID *repid)
|
---|
677 | {
|
---|
678 | ID tskid;
|
---|
679 | T_TCP_CREP crep;
|
---|
680 |
|
---|
681 | get_tid(&tskid);
|
---|
682 |
|
---|
683 | crep.repatr = UINT_C(0);
|
---|
684 | crep.myaddr.portno = UINT_C(7);
|
---|
685 |
|
---|
686 | #if defined(SUPPORT_INET4)
|
---|
687 | crep.myaddr.ipaddr = IPV4_ADDRANY;
|
---|
688 | #endif
|
---|
689 |
|
---|
690 | #if defined(SUPPORT_INET6)
|
---|
691 | memcpy(&crep.myaddr.ipaddr, &ipv6_addrany, sizeof(T_IN6_ADDR));
|
---|
692 | #endif
|
---|
693 |
|
---|
694 | return ALLOC_TCP_REP(repid, tskid, &crep);
|
---|
695 | }
|
---|
696 |
|
---|
697 | /*
|
---|
698 | * get_tcp_cep -- TCP é信端ç¹ãç²å¾ããã
|
---|
699 | */
|
---|
700 |
|
---|
701 | static ER
|
---|
702 | get_tcp_cep (ID *cepid)
|
---|
703 | {
|
---|
704 | ID tskid;
|
---|
705 | T_TCP_CCEP ccep;
|
---|
706 |
|
---|
707 | get_tid(&tskid);
|
---|
708 |
|
---|
709 | ccep.cepatr = UINT_C(0);
|
---|
710 | ccep.sbufsz = TCP_ECHO_SRV_SWBUF_SIZE;
|
---|
711 | ccep.rbufsz = TCP_ECHO_SRV_RWBUF_SIZE;
|
---|
712 |
|
---|
713 | #ifdef TCP_CFG_SWBUF_CSAVE
|
---|
714 | ccep.sbuf = NADR;
|
---|
715 | #else
|
---|
716 | ccep.sbuf = tcp_echo_srv_swbuf;
|
---|
717 | #endif
|
---|
718 | #ifdef TCP_CFG_RWBUF_CSAVE
|
---|
719 | ccep.rbuf = NADR;
|
---|
720 | #else
|
---|
721 | ccep.rbuf = tcp_echo_srv_rwbuf;
|
---|
722 | #endif
|
---|
723 | #ifdef USE_TCP_NON_BLOCKING
|
---|
724 | ccep.callback = (FP)callback_nblk_tcp_echo_srv;
|
---|
725 | #else
|
---|
726 | ccep.callback = NULL;
|
---|
727 | #endif
|
---|
728 |
|
---|
729 | return ALLOC_TCP_CEP(cepid, tskid, &ccep);
|
---|
730 | }
|
---|
731 |
|
---|
732 | /*
|
---|
733 | * TCP ECHO ãµã¼ãåä¿¡ã¿ã¹ã¯
|
---|
734 | */
|
---|
735 |
|
---|
736 | void
|
---|
737 | tcp_echo_srv_rcv_task (intptr_t exinf)
|
---|
738 | {
|
---|
739 | ID tskid, cepid, repid;
|
---|
740 | ER error = E_OK;
|
---|
741 |
|
---|
742 | syscall(get_tid(&tskid));
|
---|
743 | syslog(LOG_NOTICE, "[TCP ECHO SRV:%d] started.", tskid);
|
---|
744 | while (true) {
|
---|
745 |
|
---|
746 | syscall(slp_tsk());
|
---|
747 | if ((error = get_tcp_cep (&cepid)) != E_OK) {
|
---|
748 | syslog(LOG_NOTICE, "[TES:00 EXT] CEP create error: %s", itron_strerror(error));
|
---|
749 | continue;
|
---|
750 | }
|
---|
751 |
|
---|
752 | while (true) {
|
---|
753 |
|
---|
754 | if ((error = get_tcp_rep (&repid)) != E_OK) {
|
---|
755 | syslog(LOG_NOTICE, "[TES:00 EXT] REP create error: %s", itron_strerror(error));
|
---|
756 | break;
|
---|
757 | }
|
---|
758 | else if ((error = tcp_echo_srv_rcv(cepid, repid)) != E_OK) {
|
---|
759 | error = FREE_TCP_REP(repid, error != E_DLT);
|
---|
760 | break;
|
---|
761 | }
|
---|
762 | }
|
---|
763 |
|
---|
764 | if ((error = free_tcp_cep(cepid)) != E_OK)
|
---|
765 | syslog(LOG_NOTICE, "[TES:%02u EXT] CEP delete error: %s", cepid, itron_strerror(error));
|
---|
766 |
|
---|
767 | }
|
---|
768 | }
|
---|
769 |
|
---|
770 | #else /* of #ifdef USE_TCP_EXTENTIONS */
|
---|
771 |
|
---|
772 | void
|
---|
773 | tcp_echo_srv_rcv_task(intptr_t exinf)
|
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774 | {
|
---|
775 | ID tskid;
|
---|
776 |
|
---|
777 | get_tid(&tskid);
|
---|
778 | syslog(LOG_NOTICE, "[TCP ECHO SRV RCV:%d,%d] started.", tskid, (ID)exinf);
|
---|
779 | while (true) {
|
---|
780 | while (tcp_echo_srv_rcv((ID)exinf, TCP_ECHO_SRV_REPID) == E_OK)
|
---|
781 | ;
|
---|
782 | }
|
---|
783 | }
|
---|
784 |
|
---|
785 | #endif /* of #ifdef USE_TCP_EXTENTIONS */
|
---|
786 |
|
---|
787 | #endif /* of #ifdef USE_TCP_ECHO_SRV2 */
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---|