| 1 |
/** |
| 2 |
* @file netserver.c |
| 3 |
* @brief サーバ処理 |
| 4 |
* @author BananaJinn |
| 5 |
* @version $Id: netserver.c,v 1.9 2007/10/02 15:10:52 bananajinn Exp $ |
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* 円盤複写屋 |
| 7 |
* Copyright (C) 2004-2006 BananaJinn<banana@mxh.mesh.ne.jp>. |
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*/ |
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#include <stdio.h> |
| 10 |
#include <string.h> |
| 11 |
#include <stdlib.h> |
| 12 |
#include <stdarg.h> |
| 13 |
#ifdef linux |
| 14 |
# include <fcntl.h> |
| 15 |
#endif |
| 16 |
#include <time.h> |
| 17 |
#if defined(WIN32) |
| 18 |
# include <io.h> |
| 19 |
#endif |
| 20 |
#include "mem.h" |
| 21 |
#include "aspi.h" |
| 22 |
#include "struct.h" |
| 23 |
#include "cmd.h" |
| 24 |
#include "ui.h" |
| 25 |
#include "copydisc.h" |
| 26 |
#include "cmdlog.h" |
| 27 |
#include "text.h" |
| 28 |
|
| 29 |
static int ReceiveNetCmd(CMDDRIVE *netdrive, CMDDRIVE *realdrive, |
| 30 |
BOOL enable_longread); |
| 31 |
|
| 32 |
/** |
| 33 |
* @brief リモート要求によるコマンド実行 |
| 34 |
* @param[in] netdrive ネットワークドライブ(リモートドライブ) |
| 35 |
* @param[in] realdrive 実ドライブ(ローカルドライブ) |
| 36 |
* @retval RET_OK 正常終了 |
| 37 |
* @retval RET_TIMEOUT タイムアウト |
| 38 |
* @retval RET_SOCKET ソケットエラー |
| 39 |
* @retval RET_NG エラー |
| 40 |
*/ |
| 41 |
static int ExecuteCommand(CMDDRIVE *netdrive, CMDDRIVE *realdrive) |
| 42 |
{ |
| 43 |
int ret; |
| 44 |
DWORD length; |
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NETCMDHEADER cmdheader; |
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BYTE netdata_common[8]; |
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|
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memset(netdata_common, 0, sizeof(netdata_common)); |
| 49 |
|
| 50 |
/* コマンド受信 */ |
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ret = NAReceive(&netdrive->u.net, (char *)&cmdheader, sizeof(cmdheader), |
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NETTIMEOUT); |
| 53 |
if(ret != RET_OK){ |
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return ret; |
| 55 |
} |
| 56 |
length = Get4bytes(cmdheader.data_length); |
| 57 |
if(length > (DWORD)netdrive->bufsize){ |
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length = (DWORD)netdrive->bufsize; |
| 59 |
} |
| 60 |
|
| 61 |
if((length > 0) && (cmdheader.reqflag==REQ_DATAOUT)){ |
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/* コマンドデータ部を受信 */ |
| 63 |
ret = NAReceive(&netdrive->u.net, (char *)netdrive->data_buf, |
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(int)length, NETTIMEOUT); |
| 65 |
if(ret != RET_OK){ |
| 66 |
return ret; |
| 67 |
} |
| 68 |
} |
| 69 |
ret = SendCmd(realdrive, cmdheader.cdb, length, cmdheader.reqflag); |
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/* エラーが発生しても、エラー情報は返却する */ |
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/* データ返送 */ |
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if(cmdheader.reqflag == REQ_DATAIN){ |
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Set4bytes(netdata_common, length+sizeof(NETCMDHEADER)); |
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} |
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else{ |
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Set4bytes(netdata_common, sizeof(NETCMDHEADER)); |
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} |
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netdata_common[4] = NETDATATYPE_RESPONSE; |
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ret = NASend(&netdrive->u.net, (char *)netdata_common, 8, |
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NETTIMEOUT, FALSE); |
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if(ret != RET_OK){ |
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return ret; |
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} |
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memcpy(cmdheader.sense_data, realdrive->sense_data, |
| 85 |
sizeof(cmdheader.sense_data)); |
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ret = NASend(&netdrive->u.net, (char *)&cmdheader, sizeof(cmdheader), |
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NETTIMEOUT, FALSE); |
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if(ret != RET_OK){ |
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return ret; |
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} |
| 91 |
if(cmdheader.reqflag == REQ_DATAIN){ |
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ret = NASend(&netdrive->u.net, (char *)netdrive->data_buf, length, |
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NETTIMEOUT, FALSE); |
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if(ret != RET_OK){ |
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return ret; |
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} |
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} |
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|
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return RET_OK; |
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} |
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|
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|
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|
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/** |
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* @brief リモート要求による連続READ実行 |
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* @param[in] netdrive ネットワークドライブ(リモートドライブ) |
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* @param[in] realdrive 実ドライブ(ローカルドライブ) |
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* @param[in] org_header 受けた要求のコマンドヘッダー |
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* @retval RET_OK 正常終了 |
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* @retval RET_TIMEOUT タイムアウト |
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* @retval RET_SOCKET ソケットエラー |
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* @retval RET_NG エラー |
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*/ |
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static int ExecuteLongRead(CMDDRIVE *netdrive, CMDDRIVE *realdrive) |
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{ |
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DWORD lba, start_lba; |
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DWORD length, total_length; |
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DWORD blocksize; |
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int ret; |
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BYTE netdata_common[8]; |
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NETCMDHEADER org_header, header; |
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BYTE work4[4]; |
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|
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/* コマンド受信 */ |
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ret = NAReceive(&netdrive->u.net, (char *)&org_header, sizeof(org_header), |
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NETTIMEOUT); |
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if(ret != RET_OK){ |
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return ret; |
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} |
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/* 合計ブロック数を受信 */ |
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ret = NAReceive(&netdrive->u.net, (char *)work4, sizeof(work4), |
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NETTIMEOUT); |
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if(ret != RET_OK){ |
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return ret; |
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} |
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total_length = Get4bytes(work4); |
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start_lba = Get4bytes(org_header.cdb+2); |
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|
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memcpy(header.cdb, org_header.cdb, 12); |
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lba = start_lba; |
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if(header.cdb[0]==CMD_READ12){ |
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length = Get4bytes(header.cdb+6); |
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blocksize = 2048; |
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} |
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else if(header.cdb[0]==CMD_READ_CD){ |
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length = Get3bytes(header.cdb+6); |
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blocksize = 2352; |
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} |
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else{ |
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return RET_NG; |
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} |
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|
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while(total_length > 0){ |
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if(UICheckAbort()){ |
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return RET_ABORT; |
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} |
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if(length > total_length){ |
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length = total_length; |
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if(header.cdb[0]==CMD_READ12){ |
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Set4bytes(header.cdb+2, lba); |
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Set4bytes(header.cdb+6, length); |
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} |
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else /* CMD_READ_CD */{ |
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Set4bytes(header.cdb+2, lba); |
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Set3bytes(header.cdb+6, length); |
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} |
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} |
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/* 実ドライブからREAD */ |
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Set4bytes(header.cdb+2, lba); |
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ret = SendCmd(realdrive, header.cdb, length*blocksize, REQ_DATAIN); |
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if(ret != RET_OK){ |
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return ret; |
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} |
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memcpy(header.sense_data, realdrive->sense_data, |
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sizeof(header.sense_data)); |
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|
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/* READデータ返送 */ |
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Set4bytes(netdata_common, length*blocksize+sizeof(header)); |
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netdata_common[4] = NETDATATYPE_RESPONSE; |
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while(1){ |
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ret = NASend(&netdrive->u.net, (char *)netdata_common, 8, |
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NETTIMEOUT, TRUE); |
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if(ret==RET_OK){ |
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break; |
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} |
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if(ret!=RET_READFD){ |
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return ret; |
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} |
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ret = ReceiveNetCmd(netdrive, realdrive, FALSE); |
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if(ret != RET_OK){ |
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return ret; |
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} |
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} |
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ret = NASend(&netdrive->u.net, (char *)&header, sizeof(header), |
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NETTIMEOUT, FALSE); |
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if(ret != RET_OK){ |
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return ret; |
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} |
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ret = NASend(&netdrive->u.net, (char *)netdrive->data_buf, |
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length*blocksize, NETTIMEOUT, FALSE); |
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if(ret != RET_OK){ |
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return ret; |
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} |
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|
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lba += length; |
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total_length -= length; |
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} |
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|
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return RET_OK; |
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} |
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|
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/** |
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* @brief リモート要求によるメッセージ表示 |
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* @param[in] netdrive ネットワークドライブ(リモートドライブ) |
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* @param[in] receive_bytes 受けた要求のバイト長 |
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* @retval RET_OK 正常終了 |
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* @retval RET_TIMEOUT タイムアウト |
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* @retval RET_NG エラー |
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* @retval RET_MEMERR メモリ不足 |
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*/ |
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static int DisplayMessage(CMDDRIVE *netdrive, DWORD receive_bytes) |
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{ |
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NETDISPHEADER dispheader; |
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int ret; |
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char *message=NULL; |
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DWORD message_len, ignore_len=0; |
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|
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ret = NAReceive(&netdrive->u.net, (char *)&dispheader, sizeof(dispheader), |
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NETTIMEOUT); |
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if(ret != RET_OK){ |
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return ret; |
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} |
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if(receive_bytes > (DWORD)sizeof(dispheader)){ |
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message_len = receive_bytes-sizeof(dispheader); |
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/* 最大255文字とする */ |
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if(message_len > 255){ |
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ignore_len = message_len-255; |
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message_len = 255; |
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} |
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message = (char *)MemNew(message_len+1); |
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if(message==NULL){ |
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UIDispMessage(MSG_MEM_ALLOC_ERROR |
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/*"メモリ確保に失敗しました。"*/, UIDMT_ERROR); |
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return RET_MEMERR; |
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} |
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/* メッセージ文字列を受信 */ |
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ret = NAReceive(&netdrive->u.net, message, message_len, NETTIMEOUT); |
| 248 |
if(ret != RET_OK){ |
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MemFree(message); |
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return ret; |
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} |
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ret = NAReceive(&netdrive->u.net, NULL, ignore_len, NETTIMEOUT); |
| 253 |
if(ret != RET_OK){ |
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MemFree(message); |
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return ret; |
| 256 |
} |
| 257 |
message[message_len] = '\0'; |
| 258 |
#if defined(linux) || defined(__MINGW32__) |
| 259 |
{ |
| 260 |
char *message_euc = ConvertCharcode(netdrive->u.net.iconv_desc, |
| 261 |
message); |
| 262 |
if(message_euc == NULL){ |
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MemFree(message); |
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UIDispMessage(MSG_CODE_CONV_ERROR |
| 265 |
/*"文字コード変換に失敗しました。"*/, UIDMT_ERROR); |
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return RET_MEMERR; |
| 267 |
} |
| 268 |
MemFree(message); |
| 269 |
message = message_euc; |
| 270 |
} |
| 271 |
#endif |
| 272 |
} |
| 273 |
switch(dispheader.area){ |
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case 0: /* 画面下メッセージ */ |
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UIDispInfo(message); |
| 276 |
break; |
| 277 |
case 1: /* プログレスバー1 */ |
| 278 |
if(message!=NULL) |
| 279 |
UIMeter1Initialize(message); |
| 280 |
else |
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UIMeter1Update((float)dispheader.percent); |
| 282 |
break; |
| 283 |
case 2: /* プログレスバー2 */ |
| 284 |
if(message!=NULL) |
| 285 |
UIMeter2Initialize(message); |
| 286 |
else |
| 287 |
UIMeter2Update((float)dispheader.percent); |
| 288 |
break; |
| 289 |
} |
| 290 |
MemFree(message); |
| 291 |
|
| 292 |
return RET_OK; |
| 293 |
} |
| 294 |
|
| 295 |
|
| 296 |
/** |
| 297 |
* @brief リモート要求処理 |
| 298 |
* @param[in] netdrive ネットワークドライブ(リモートドライブ) |
| 299 |
* @param[in] realdrive 実ドライブ(ローカルドライブ) |
| 300 |
* @param[in] enable_longread 連続READ許可 |
| 301 |
* @retval RET_OK 正常終了 |
| 302 |
* @retval RET_TIMEOUT タイムアウト |
| 303 |
* @retval RET_ABORT 処理中断 |
| 304 |
* @retval RET_COMPLETE 処理完了 |
| 305 |
* @retval RET_SOCKET ソケットエラー |
| 306 |
* @retval RET_NG エラー |
| 307 |
*/ |
| 308 |
static int ReceiveNetCmd(CMDDRIVE *netdrive, CMDDRIVE *realdrive, |
| 309 |
BOOL enable_longread) |
| 310 |
{ |
| 311 |
int ret; |
| 312 |
BYTE netdata_common[8]; |
| 313 |
DWORD receive_bytes; |
| 314 |
|
| 315 |
/* 共通部(データ長とデータタイプ)を受信する */ |
| 316 |
ret = NAReceive(&netdrive->u.net, (char *)netdata_common, 8, 1000); |
| 317 |
if(ret != RET_OK){ |
| 318 |
return ret; |
| 319 |
} |
| 320 |
|
| 321 |
receive_bytes = Get4bytes(netdata_common); |
| 322 |
|
| 323 |
switch(netdata_common[4]){ |
| 324 |
case NETDATATYPE_COMMAND: |
| 325 |
ret = ExecuteCommand(netdrive, realdrive); |
| 326 |
if(ret != RET_OK){ |
| 327 |
return ret; |
| 328 |
} |
| 329 |
break; |
| 330 |
|
| 331 |
case NETDATATYPE_RESPONSE: |
| 332 |
/* あり得ない */ |
| 333 |
break; |
| 334 |
|
| 335 |
case NETDATATYPE_LONGREAD: |
| 336 |
if(enable_longread){ |
| 337 |
ret = ExecuteLongRead(netdrive, realdrive); |
| 338 |
if(ret != RET_OK){ |
| 339 |
return ret; |
| 340 |
} |
| 341 |
} |
| 342 |
else{ |
| 343 |
UIDispMessage(MSG_UNKNOWN_COMMAND |
| 344 |
/*"不正なコマンドを受信しました。"*/, UIDMT_ERROR); |
| 345 |
return RET_NG; |
| 346 |
} |
| 347 |
break; |
| 348 |
|
| 349 |
case NETDATATYPE_DISPLAY: |
| 350 |
ret = DisplayMessage(netdrive, receive_bytes); |
| 351 |
if(ret != RET_OK){ |
| 352 |
return ret; |
| 353 |
} |
| 354 |
break; |
| 355 |
|
| 356 |
case NETDATATYPE_ABORT: |
| 357 |
return RET_ABORT; |
| 358 |
|
| 359 |
case NETDATATYPE_COMPLETE: |
| 360 |
return RET_COMPLETE; |
| 361 |
|
| 362 |
default: |
| 363 |
/* 不正なコマンド */ |
| 364 |
UIDispMessage(MSG_UNKNOWN_COMMAND |
| 365 |
/*"不正なコマンドを受信しました。"*/, UIDMT_ERROR); |
| 366 |
return RET_NG; |
| 367 |
} |
| 368 |
return RET_OK; |
| 369 |
} |
| 370 |
|
| 371 |
|
| 372 |
/** |
| 373 |
* @brief リモート要求受付処理 |
| 374 |
* @param[in] netdrive ネットワークドライブ(リモートドライブ) |
| 375 |
* @param[in] realdrive 実ドライブ(ローカルドライブ) |
| 376 |
* @retval RET_OK 正常終了 |
| 377 |
* @retval RET_ABORT 処理中断 |
| 378 |
* @retval RET_COMPLETE 処理完了 |
| 379 |
* @retval RET_SOCKET ソケットエラー |
| 380 |
* @retval RET_MEMERR メモリ不足 |
| 381 |
* @retval RET_NG エラー |
| 382 |
*/ |
| 383 |
int WaitingNetCmd(CMDDRIVE *netdrive, CMDDRIVE *realdrive) |
| 384 |
{ |
| 385 |
BOOL done=FALSE; |
| 386 |
int ret; |
| 387 |
|
| 388 |
while(!done){ |
| 389 |
if(UICheckAbort()){ |
| 390 |
return RET_ABORT; |
| 391 |
} |
| 392 |
ret = ReceiveNetCmd(netdrive, realdrive, TRUE); |
| 393 |
if(ret == RET_COMPLETE){ |
| 394 |
done=TRUE; |
| 395 |
} |
| 396 |
else if((ret != RET_OK) && (ret != RET_TIMEOUT)){ |
| 397 |
return ret; |
| 398 |
} |
| 399 |
} |
| 400 |
|
| 401 |
return RET_OK; |
| 402 |
} |
| 403 |
|
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