[279] | 1 | /*
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| 2 | * TOPPERS WEBSOCKET Lite Communication Middleware
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| 3 | *
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| 4 | * Copyright (C) 2017 Cores Co., Ltd. Japan
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| 5 | *
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| 6 | * ä¸è¨èä½æ¨©è
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| 7 | ã¯ï¼ä»¥ä¸ã®(1)ï½(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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| 8 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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| 9 | * å¤ã»åé
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| 10 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 11 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 12 | * 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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| 13 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 14 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 15 | * ç¨ã§ããå½¢ã§åé
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| 16 | å¸ããå ´åã«ã¯ï¼åé
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| 17 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 18 | * è
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| 19 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 20 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 21 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 22 | * ç¨ã§ããªãå½¢ã§åé
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| 23 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 24 | * ã¨ï¼
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| 25 | * (a) åé
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| 26 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 27 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 28 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 29 | * (b) åé
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| 30 | å¸ã®å½¢æ
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| 31 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 32 | * å ±åãããã¨ï¼
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| 33 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 34 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 35 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 36 | 責ãããã¨ï¼
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| 37 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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| 38 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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| 39 | ããã³TOPPERSããã¸ã§ã¯ãã
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| 40 | * å
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| 41 | 責ãããã¨ï¼
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| 42 | *
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| 43 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 44 | ã
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| 45 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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| 46 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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| 47 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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| 48 | * ã®è²¬ä»»ãè² ããªãï¼
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| 49 | *
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| 50 | * @(#) $Id: websocket_fbs.c 279 2017-04-29 07:33:37Z coas-nagasima $
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| 51 | */
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| 52 |
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| 53 | /*
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| 54 | * åºå®é·ãããã¡å¯å¤é·ã¹ããªã¼ã
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| 55 | */
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| 56 |
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| 57 | #include <kernel.h>
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| 58 | #include <string.h>
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| 59 | #include <t_syslog.h>
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| 60 | #include <t_stdlib.h>
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| 61 | #include "kernel_cfg.h"
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| 62 | #include "websocket_fbs.h"
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| 63 |
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| 64 | static ER get_message(T_WS_FST_BLK **ppk_msg, int size)
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| 65 | {
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| 66 | void * blk;
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| 67 | ER ret;
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| 68 |
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| 69 | *ppk_msg = NULL;
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| 70 |
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| 71 | if ((size <= 0) || (size > DEF_WS_FBS_BUF_MAXLEN))
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| 72 | return E_PAR;
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| 73 |
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| 74 | ret = tget_mpf(ws_mempoolid, &blk, WEBSOCKET_MEMPOOL_GET_TMO);
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| 75 | if (ret != E_OK)
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| 76 | return ret;
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| 77 |
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| 78 | memset(blk, 0, WEBSOCKET_MEMPOOL_BLOCK_SIZE);
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| 79 | *ppk_msg = (T_WS_FST_BLK *)(blk);
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| 80 | (*ppk_msg)->hdr.length = (uint16_t)size;
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| 81 |
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| 82 | return E_OK;
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| 83 | }
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| 84 |
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| 85 | static ER iget_message(T_WS_FST_BLK **ppk_msg, int size)
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| 86 | {
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| 87 | void * blk;
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| 88 | ER ret;
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| 89 |
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| 90 | *ppk_msg = NULL;
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| 91 |
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| 92 | if ((size <= 0) || (size > DEF_WS_FBS_BUF_MAXLEN))
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| 93 | return E_PAR;
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| 94 |
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| 95 | ret = pget_mpf(ws_mempoolid, &blk);
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| 96 | if (ret != E_OK)
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| 97 | return ret;
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| 98 |
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| 99 | memset(blk, 0, WEBSOCKET_MEMPOOL_BLOCK_SIZE);
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| 100 | *ppk_msg = (T_WS_FST_BLK *)(blk);
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| 101 | (*ppk_msg)->hdr.length = (uint16_t)size;
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| 102 |
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| 103 | return E_OK;
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| 104 | }
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| 105 |
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| 106 | static void *get_block(T_WS_FST_BLK *pk_msg, int pos, bool_t exp, int *size)
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| 107 | {
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| 108 | ER ret;
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| 109 | void * buf;
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| 110 | void * blk;
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| 111 | int no;
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| 112 | T_WS_SUB_BLK *mblk;
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| 113 | int temp;
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| 114 |
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| 115 | if ((pos < 0) || (!exp && (pos >= pk_msg->hdr.length))) {
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| 116 | return NULL;
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| 117 | }
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| 118 |
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| 119 | if (pos < DEF_WS_FBS_FST_DAT_LEN) {
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| 120 | buf = (void *)&pk_msg->payload[pos];
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| 121 | temp = DEF_WS_FBS_FST_DAT_LEN - pos;
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| 122 | if (temp < *size) {
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| 123 | *size = temp;
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| 124 | }
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| 125 | }
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| 126 | else {
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| 127 | pos -= DEF_WS_FBS_FST_DAT_LEN;
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| 128 | no = pos / DEF_WS_FBS_SUB_BUF_LEN;
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| 129 |
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| 130 | mblk = pk_msg->lnk.p_sub[no];
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| 131 |
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| 132 | pos -= no * DEF_WS_FBS_SUB_BUF_LEN;
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| 133 | temp = DEF_WS_FBS_SUB_BUF_LEN - pos;
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| 134 | if (temp < *size) {
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| 135 | *size = temp;
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| 136 | }
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| 137 | if (exp) {
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| 138 | if (mblk == NULL) {
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| 139 | ret = get_mpf(ws_mempoolid, &blk);
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| 140 | if (ret != E_OK)
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| 141 | return NULL;
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| 142 |
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| 143 | mblk = (T_WS_SUB_BLK *)(blk);
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| 144 |
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| 145 | pk_msg->lnk.p_sub[no] = mblk;
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| 146 | }
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| 147 |
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| 148 | temp = pos + *size + no * DEF_WS_FBS_SUB_BUF_LEN + DEF_WS_FBS_FST_DAT_LEN;
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| 149 | if (pk_msg->hdr.length < temp) {
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| 150 | pk_msg->hdr.length = (uint16_t)temp;
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| 151 | }
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| 152 | }
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| 153 |
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| 154 | buf = &mblk->payload[pos];
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| 155 | }
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| 156 |
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| 157 | return buf;
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| 158 | }
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| 159 |
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| 160 | static ER release_message(T_WS_FST_BLK *pk_msg)
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| 161 | {
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| 162 | ER ret;
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| 163 | int i;
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| 164 |
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| 165 | for (i = 0; i < 32; i++) {
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| 166 | void * blk = pk_msg->lnk.p_sub[i];
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| 167 | if (blk == NULL)
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| 168 | continue;
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| 169 |
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| 170 | ret = rel_mpf(ws_mempoolid, blk);
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| 171 | if (ret != E_OK)
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| 172 | return ret;
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| 173 | }
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| 174 |
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| 175 | return rel_mpf(ws_mempoolid, pk_msg);
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| 176 | }
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| 177 |
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| 178 | static int read_message(T_WS_FST_BLK *pk_msg, int pos, void * dst, int size)
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| 179 | {
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| 180 | int len, rest = size;
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| 181 | void * buf;
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| 182 |
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| 183 | if (size <= 0)
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| 184 | return 0;
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| 185 |
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| 186 | len = rest;
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| 187 | buf = get_block(pk_msg, pos, false, &len);
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| 188 | if ((buf == NULL) || (len <= 0))
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| 189 | return 0;
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| 190 |
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| 191 | if((pos + len) > pk_msg->hdr.length)
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| 192 | len = pk_msg->hdr.length - pos;
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| 193 |
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| 194 | for (; ; ) {
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| 195 | memcpy(dst, buf, len);
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| 196 | dst = (void *)((intptr_t)dst + len);
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| 197 | rest -= len;
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| 198 | pos += len;
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| 199 |
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| 200 | if (rest <= 0)
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| 201 | break;
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| 202 |
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| 203 | len = rest;
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| 204 | buf = get_block(pk_msg, pos, false, &len);
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| 205 | if ((buf == NULL) || (len <= 0))
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| 206 | return size - rest;
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| 207 | }
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| 208 |
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| 209 | return size;
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| 210 | }
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| 211 |
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| 212 | static int write_message(const void * src, T_WS_FST_BLK *pk_msg, int pos, int size)
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| 213 | {
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| 214 | int len, rest = size;
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| 215 | void * buf;
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| 216 |
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| 217 | if (size <= 0)
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| 218 | return 0;
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| 219 |
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| 220 | len = rest;
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| 221 | buf = get_block(pk_msg, pos, true, &len);
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| 222 | if ((buf == NULL) || (len <= 0))
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| 223 | return 0;
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| 224 |
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| 225 | for (; ; ) {
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| 226 | memcpy(buf, src, len);
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| 227 | src = (void *)((intptr_t)src +len);
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| 228 | rest -= len;
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| 229 | pos += len;
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| 230 |
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| 231 | if (rest <= 0)
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| 232 | break;
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| 233 |
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| 234 | len = rest;
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| 235 | buf = get_block(pk_msg, pos, true, &len);
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| 236 | if ((buf == NULL) || (len <= 0))
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| 237 | return size - rest;
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| 238 | }
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| 239 |
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| 240 | if (pk_msg->hdr.length < pos)
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| 241 | pk_msg->hdr.length = (uint16_t)pos;
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| 242 |
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| 243 | return size;
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| 244 | }
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| 245 |
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| 246 | static int copy_message(T_WS_FST_BLK *pk_src, int spos, T_WS_FST_BLK *pk_dst, int dpos, int size)
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| 247 | {
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| 248 | int dlen, slen, len, rest = size;
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| 249 | void * dbuf, *sbuf;
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| 250 |
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| 251 | if (size <= 0)
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| 252 | return 0;
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| 253 |
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| 254 | dlen = rest;
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| 255 | dbuf = get_block(pk_dst, dpos, true, &dlen);
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| 256 | if (dbuf == NULL)
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| 257 | return 0;
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| 258 |
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| 259 | slen = rest;
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| 260 | sbuf = get_block(pk_src, spos, false, &slen);
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| 261 | if (sbuf == NULL)
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| 262 | return 0;
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| 263 |
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| 264 | for (; ; ) {
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| 265 | len = (dlen < slen) ? dlen : slen;
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| 266 |
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| 267 | if (len == 0)
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| 268 | return size - rest;
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| 269 |
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| 270 | memcpy(dbuf, sbuf, len);
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| 271 |
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| 272 | dpos += len;
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| 273 | spos += len;
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| 274 | rest -= len;
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| 275 |
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| 276 | if (rest <= 0)
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| 277 | break;
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| 278 |
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| 279 | dlen = rest;
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| 280 | dbuf = get_block(pk_dst, dpos, true, &dlen);
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| 281 | if (dbuf == NULL)
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| 282 | return size - rest;
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| 283 |
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| 284 | slen = rest;
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| 285 | sbuf = get_block(pk_src, spos, false, &slen);
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| 286 | if (sbuf == NULL)
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| 287 | return size - rest;
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| 288 | }
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| 289 |
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| 290 | return size;
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| 291 | }
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| 292 |
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| 293 | /* ã¡ã¢ãªãããã¯åå¾ ok:ãã¤ã³ã¿ NG:NULL */
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| 294 | void *_ws_fbs_mbx_get(WS_FBS_SIZE_T fa_req_size)
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| 295 | {
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| 296 | void *result;
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| 297 | ER ret;
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| 298 |
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| 299 | if ((fa_req_size <= 0) || (fa_req_size > WEBSOCKET_MEMPOOL_BLOCK_SIZE))
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| 300 | return NULL;
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| 301 |
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| 302 | ret = get_mpf(ws_mempoolid, &result);
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| 303 | if (ret != E_OK)
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| 304 | return NULL;
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| 305 |
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| 306 | memset(result, 0, WEBSOCKET_MEMPOOL_BLOCK_SIZE);
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| 307 |
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| 308 | return result;
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| 309 | }
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| 310 |
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| 311 | /* ã¡ã¢ãªãããã¯è§£æ¾ */
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| 312 | ER _ws_fbs_mbx_rel(void *p)
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| 313 | {
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| 314 | return rel_mpf(ws_mempoolid, p);
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| 315 | }
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| 316 |
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| 317 | /* é åç¢ºä¿ */
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| 318 | ER _ws_fbs_cre(WS_FBS_SIZE_T fa_req_size, WS_FBS_ID *fp_id)
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| 319 | {
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| 320 | return get_message(&fp_id->ptr, fa_req_size);
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| 321 | }
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| 322 |
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| 323 | /* é åè§£æ¾ */
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| 324 | ER _ws_fbs_del(WS_FBS_ID fa_id)
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| 325 | {
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| 326 | return release_message(fa_id.ptr);
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| 327 | }
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| 328 |
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| 329 | /* ä¿æãã¼ã¿ã®æç¡ */
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| 330 | bool_t _ws_fbs_exist_data(WS_FBS_ID fa_id)
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| 331 | {
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| 332 | return fa_id.ptr->hdr.length > fa_id.ptr->hdr.wr;
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| 333 | }
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| 334 |
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| 335 | /* ä¿æãã¼ã¿é·ã®åå¾ */
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| 336 | WS_FBS_SSIZE_T _ws_fbs_get_datalen(WS_FBS_ID fa_id)
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| 337 | {
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| 338 | return fa_id.ptr->hdr.length;
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| 339 | }
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| 340 |
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| 341 | /* èªã¿åãã«ã¼ã½ã«ã®ä½ç½®åå¾ */
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| 342 | WS_FBS_SSIZE_T _ws_fbs_get_rpos(WS_FBS_ID fa_id)
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| 343 | {
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| 344 | return fa_id.ptr->hdr.rd;
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| 345 | }
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| 346 |
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| 347 | /* èªã¿åãã«ã¼ã½ã«ã®ä½ç½®è¨å® */
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| 348 | ER _ws_fbs_set_rpos(WS_FBS_ID fa_id, WS_FBS_SSIZE_T fa_pos)
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| 349 | {
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| 350 | if (fa_id.ptr->hdr.length <= (unsigned int)fa_pos) /* ä½ç½®æå®ã大ãããã */
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| 351 | return E_PAR;
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| 352 |
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| 353 | fa_id.ptr->hdr.rd = fa_pos;
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| 354 |
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| 355 | return E_OK;
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| 356 | }
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| 357 |
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| 358 | /* èªã¿åãã«ã¼ã½ã«ã®ä½ç½®ç§»å */
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| 359 | ER _ws_fbs_seek_rpos(WS_FBS_ID fa_id, WS_FBS_SSIZE_T fa_seek)
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| 360 | {
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| 361 | fa_id.ptr->hdr.rd += fa_seek;
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| 362 | if (fa_id.ptr->hdr.rd > fa_id.ptr->hdr.length)
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| 363 | fa_id.ptr->hdr.rd = fa_id.ptr->hdr.length;
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| 364 |
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| 365 | return E_OK;
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| 366 | }
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| 367 |
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| 368 | /* ä»»ææå®ä½ç½®ã®1byteèªã¿åã */
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| 369 | int _ws_fbs_peek(WS_FBS_ID fa_id, WS_FBS_SSIZE_T fa_seek)
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| 370 | {
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| 371 | uint8_t result = 0;
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| 372 | int ret;
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| 373 |
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| 374 | ret = read_message(fa_id.ptr, fa_seek, &result, 1);
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| 375 |
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| 376 | return (ret == 1) ? result : -1;
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| 377 | }
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| 378 |
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| 379 | /* ä»»ææå®ä½ç½®ã®1byteæ¸ã込㿠*/
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| 380 | ER _ws_fbs_poke(WS_FBS_ID fa_id, WS_FBS_SSIZE_T fa_seek, int fa_val)
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| 381 | {
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| 382 | uint8_t result = fa_val;
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| 383 | int ret;
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| 384 |
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| 385 | ret = write_message(&result, fa_id.ptr, fa_seek, 1);
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| 386 |
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| 387 | return (ret == 1) ? E_OK : E_PAR;
|
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| 388 | }
|
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| 389 |
|
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| 390 | /* ãã¼ã¿è¿½å */
|
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| 391 | ER _ws_fbs_add_data(WS_FBS_ID fa_id, const void *fa_dat, WS_FBS_SSIZE_T fa_len)
|
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| 392 | {
|
---|
| 393 | if((fa_id.ptr->hdr.wr + fa_len) > fa_id.ptr->hdr.length)
|
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| 394 | return E_PAR;
|
---|
| 395 |
|
---|
| 396 | fa_id.ptr->hdr.wr += write_message(fa_dat, fa_id.ptr, fa_id.ptr->hdr.wr, fa_len);
|
---|
| 397 | return E_OK;
|
---|
| 398 | }
|
---|
| 399 |
|
---|
| 400 | /* ãã¼ã¿è¿½å (é åãèªåçã«æ¡å¼µãã) */
|
---|
| 401 | ER _ws_fbs_add_data_ex(WS_FBS_ID fa_id, const void *fa_dat, WS_FBS_SSIZE_T fa_len)
|
---|
| 402 | {
|
---|
| 403 | fa_id.ptr->hdr.wr += write_message(fa_dat, fa_id.ptr, fa_id.ptr->hdr.wr, fa_len);
|
---|
| 404 | return E_OK;
|
---|
| 405 | }
|
---|
| 406 |
|
---|
| 407 | /* ãã¼ã¿åå¾ */
|
---|
| 408 | ER _ws_fbs_get_data(WS_FBS_ID fa_id, void *fa_buf, WS_FBS_SSIZE_T fa_maxlen, WS_FBS_SSIZE_T *p_len)
|
---|
| 409 | {
|
---|
| 410 | int ret;
|
---|
| 411 |
|
---|
| 412 | ret = read_message(fa_id.ptr, fa_id.ptr->hdr.rd, fa_buf, fa_maxlen);
|
---|
| 413 | fa_id.ptr->hdr.rd += ret;
|
---|
| 414 | *p_len = ret;
|
---|
| 415 |
|
---|
| 416 | return E_OK;
|
---|
| 417 | }
|
---|
| 418 |
|
---|
| 419 | ER ws_fbs_enqueue(T_WS_FBS_QUEUE *pk_queue, T_WS_FST_BLK *pk_buf)
|
---|
| 420 | {
|
---|
| 421 | loc_cpu();
|
---|
| 422 |
|
---|
| 423 | *((T_WS_FST_BLK **)pk_buf->_msg) = NULL;
|
---|
| 424 | if (pk_queue->pk_head != NULL) {
|
---|
| 425 | *((T_WS_FST_BLK **)pk_queue->pk_last->_msg) = pk_buf;
|
---|
| 426 | }
|
---|
| 427 | else {
|
---|
| 428 | pk_queue->pk_head = pk_buf;
|
---|
| 429 | }
|
---|
| 430 | pk_queue->pk_last = pk_buf;
|
---|
| 431 |
|
---|
| 432 | unl_cpu();
|
---|
| 433 |
|
---|
| 434 | return E_OK;
|
---|
| 435 | }
|
---|
| 436 |
|
---|
| 437 | ER ws_fbs_dequeue(T_WS_FBS_QUEUE *pk_queue, T_WS_FST_BLK **ppk_buf)
|
---|
| 438 | {
|
---|
| 439 | ER ercd;
|
---|
| 440 |
|
---|
| 441 | loc_cpu();
|
---|
| 442 |
|
---|
| 443 | if (pk_queue->pk_head != NULL) {
|
---|
| 444 | *ppk_buf = pk_queue->pk_head;
|
---|
| 445 | pk_queue->pk_head = *((T_WS_FST_BLK **)(*ppk_buf)->_msg);
|
---|
| 446 | ercd = E_OK;
|
---|
| 447 | }
|
---|
| 448 | else {
|
---|
| 449 | ercd = E_TMOUT;
|
---|
| 450 | }
|
---|
| 451 |
|
---|
| 452 | unl_cpu();
|
---|
| 453 |
|
---|
| 454 | return ercd;
|
---|
| 455 | }
|
---|