aplfw/driver/serial/winsock/winsockdrv_constructor.c

   1 /**
   2  *  Hyper Operating System  Application Framework
   3  *
   4  * @file  winsockdrv.h
   5  * @brief %jp{WinSockでシリアルを擬似するドライバ}
   6  *
   7  * Copyright (C) 2006-2007 by Project HOS
   8  * http://sourceforge.jp/projects/hos/
   9  */
  10
  11
  12
  13 #include "winsockdrv_local.h"
  14
  15
  16
  17 /** 仮想関数テーブル */
  18 const T_DRVOBJ_METHODS  WinSockDrv_Methods =
  19         {
  20                 { WinSockDrv_Delete },
  21                 WinSockDrv_Open,
  22                 WinSockDrv_Close,
  23                 WinSockDrv_IoControl,
  24                 WinSockDrv_Seek,
  25                 WinSockDrv_Read,
  26                 WinSockDrv_Write,
  27                 WinSockDrv_Flush,
  28         };
  29
  30
  31 /** コンストラクタ */
  32 FILE_ERR WinSockDrv_Constructor(C_WINSOCKDRV *self, const T_DRVOBJ_METHODS *pMethods, int iPortNum, int iIntNum, int iBufSize)
  33 {
  34         DWORD           dwThreadId;
  35         FILE_ERR        ErrCode;
  36         void            *pRecvMem;
  37         void            *pSendMem;
  38
  39         /* 仮想関数テーブル */
  40         if ( pMethods == NULL )
  41         {
  42                 pMethods = &WinSockDrv_Methods;
  43         }
  44
  45         /* バッファ用メモリ確保 */
  46         if ( (pRecvMem = SysMem_Alloc(iBufSize)) == NULL )
  47         {
  48                 return FILE_ERR_NG;
  49         }
  50         if ( (pSendMem = SysMem_Alloc(iBufSize)) == NULL )
  51         {
  52                 SysMem_Free(pRecvMem);
  53                 return FILE_ERR_NG;
  54         }
  55
  56
  57         /* 親クラスコンストラクタ呼び出し */
  58         if ( (ErrCode = SyncDrv_Constructor(&self->SyncDrv, pMethods, SYNCDRV_FACTOR_NUM)) != FILE_ERR_OK )
  59         {
  60                 SysMem_Free(pRecvMem);
  61                 SysMem_Free(pSendMem);
  62                 return ErrCode;
  63         }
  64
  65         /* メンバ変数初期化 */
  66         self->iOpenCount  = 0;
  67         self->iPortNum    = iPortNum;
  68         self->iIntNum     = iIntNum;
  69         self->iConnection = FALSE;
  70
  71         /* バッファ生成 */
  72         StreamBuf_Create(&self->StmBufRecv, iBufSize, pRecvMem);
  73         StreamBuf_Create(&self->StmBufSend, iBufSize, pSendMem);
  74
  75         /* 割込み処理登録 */
  76         self->hIsr = SysIsr_Create(self->iIntNum, WinSockDrv_Isr, (VPARAM)self);
  77
  78         /* イベント生成 */
  79         self->hConnectEvent    = CreateEvent(NULL, FALSE, FALSE, NULL);
  80         self->hDisconnectEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
  81         self->hSendEvent       = CreateEvent(NULL, FALSE, FALSE, NULL);
  82
  83         /* %jp{スレッド生成} */
  84         self->hRecvThread = CreateThread(NULL, 0, WinSockDrv_Recv, (LPVOID)self, 0, &dwThreadId);
  85         self->hSendThread = CreateThread(NULL, 0, WinSockDrv_Send, (LPVOID)self, 0, &dwThreadId);
  86
  87         return FILE_ERR_OK;
  88 }
  89
  90
  91
  92 /* end of file */