| 1 |
/* Tera Term |
| 2 |
Copyright(C) 1994-1998 T. Teranishi |
| 3 |
All rights reserved. */ |
| 4 |
/* IPv6 modification is Copyright (C) 2000, 2001 Jun-ya KATO <kato@win6.jp> */ |
| 5 |
|
| 6 |
/* TERATERM.EXE, Communication routines */ |
| 7 |
#include "teraterm.h" |
| 8 |
#include "tttypes.h" |
| 9 |
#include "tt_res.h" |
| 10 |
#include <process.h> |
| 11 |
|
| 12 |
#include "ttcommon.h" |
| 13 |
#include "ttwsk.h" |
| 14 |
#include "ttlib.h" |
| 15 |
#include "ttfileio.h" |
| 16 |
#include "ttplug.h" /* TTPLUG */ |
| 17 |
|
| 18 |
#include "commlib.h" |
| 19 |
#ifndef NO_INET6 |
| 20 |
#include <winsock2.h> |
| 21 |
#include <ws2tcpip.h> |
| 22 |
#include <stdio.h> /* for _snprintf() */ |
| 23 |
#include "WSAAsyncGetAddrInfo.h" |
| 24 |
#endif /* NO_INET6 */ |
| 25 |
#include <time.h> |
| 26 |
|
| 27 |
static SOCKET OpenSocket(PComVar); |
| 28 |
static void AsyncConnect(PComVar); |
| 29 |
static int CloseSocket(SOCKET); |
| 30 |
|
| 31 |
/* create socket */ |
| 32 |
static SOCKET OpenSocket(PComVar cv) |
| 33 |
{ |
| 34 |
cv->s = cv->res->ai_family; |
| 35 |
cv->s = Psocket(cv->res->ai_family, cv->res->ai_socktype, cv->res->ai_protocol); |
| 36 |
return cv->s; |
| 37 |
} |
| 38 |
|
| 39 |
/* connect with asynchronous mode */ |
| 40 |
static void AsyncConnect(PComVar cv) |
| 41 |
{ |
| 42 |
int Err; |
| 43 |
BOOL BBuf; |
| 44 |
BBuf = TRUE; |
| 45 |
/* set synchronous mode */ |
| 46 |
PWSAAsyncSelect(cv->s,cv->HWin,0,0); |
| 47 |
Psetsockopt(cv->s,(int)SOL_SOCKET,SO_OOBINLINE,(char FAR *)&BBuf,sizeof(BBuf)); |
| 48 |
/* set asynchronous mode */ |
| 49 |
PWSAAsyncSelect(cv->s,cv->HWin,WM_USER_COMMOPEN, FD_CONNECT); |
| 50 |
|
| 51 |
// �z�X�g���������������������������A�����I���\�P�b�g���N���[�Y�����A |
| 52 |
// �����������L�����Z���������B�l��0�������������������B |
| 53 |
// (2007.1.11 yutaka) |
| 54 |
if (*cv->ConnetingTimeout > 0) { |
| 55 |
SetTimer(cv->HWin, IdCancelConnectTimer, *cv->ConnetingTimeout * 1000, NULL); |
| 56 |
} |
| 57 |
|
| 58 |
/* WM_USER_COMMOPEN occurs, CommOpen is called, then CommStart is called */ |
| 59 |
Err = Pconnect(cv->s, cv->res->ai_addr, cv->res->ai_addrlen); |
| 60 |
if (Err != 0) { |
| 61 |
Err = PWSAGetLastError(); |
| 62 |
if (Err == WSAEWOULDBLOCK) { |
| 63 |
/* Do nothing */ |
| 64 |
} else if (Err!=0 ) { |
| 65 |
PostMessage(cv->HWin, WM_USER_COMMOPEN,0, |
| 66 |
MAKELONG(FD_CONNECT,Err)); |
| 67 |
} |
| 68 |
} |
| 69 |
} |
| 70 |
|
| 71 |
/* close socket */ |
| 72 |
static int CloseSocket(SOCKET s) |
| 73 |
{ |
| 74 |
return Pclosesocket(s); |
| 75 |
} |
| 76 |
|
| 77 |
#define CommInQueSize 8192 |
| 78 |
#define CommOutQueSize 2048 |
| 79 |
#define CommXonLim 2048 |
| 80 |
#define CommXoffLim 2048 |
| 81 |
|
| 82 |
#define READENDNAME "ReadEnd" |
| 83 |
#define WRITENAME "Write" |
| 84 |
#define READNAME "Read" |
| 85 |
#define PRNWRITENAME "PrnWrite" |
| 86 |
|
| 87 |
static HANDLE ReadEnd; |
| 88 |
static OVERLAPPED wol, rol; |
| 89 |
|
| 90 |
// Winsock async operation handle |
| 91 |
static HANDLE HAsync=0; |
| 92 |
|
| 93 |
BOOL TCPIPClosed = TRUE; |
| 94 |
|
| 95 |
/* Printer port handle for |
| 96 |
direct pass-thru printing */ |
| 97 |
static HANDLE PrnID = INVALID_HANDLE_VALUE; |
| 98 |
static BOOL LPTFlag; |
| 99 |
|
| 100 |
// Initialize ComVar. |
| 101 |
// This routine is called only once |
| 102 |
// by the initialization procedure of Tera Term. |
| 103 |
void CommInit(PComVar cv) |
| 104 |
{ |
| 105 |
cv->Open = FALSE; |
| 106 |
cv->Ready = FALSE; |
| 107 |
|
| 108 |
// log-buffer variables |
| 109 |
cv->HLogBuf = 0; |
| 110 |
cv->HBinBuf = 0; |
| 111 |
cv->LogBuf = NULL; |
| 112 |
cv->BinBuf = NULL; |
| 113 |
cv->LogPtr = 0; |
| 114 |
cv->LStart = 0; |
| 115 |
cv->LCount = 0; |
| 116 |
cv->BinPtr = 0; |
| 117 |
cv->BStart = 0; |
| 118 |
cv->BCount = 0; |
| 119 |
cv->DStart = 0; |
| 120 |
cv->DCount = 0; |
| 121 |
cv->BinSkip = 0; |
| 122 |
cv->FilePause = 0; |
| 123 |
cv->ProtoFlag = FALSE; |
| 124 |
/* message flag */ |
| 125 |
cv->NoMsg = 0; |
| 126 |
} |
| 127 |
|
| 128 |
/* reset a serial port which is already open */ |
| 129 |
void CommResetSerial(PTTSet ts, PComVar cv, BOOL ClearBuff) |
| 130 |
{ |
| 131 |
DCB dcb; |
| 132 |
DWORD DErr; |
| 133 |
COMMTIMEOUTS ctmo; |
| 134 |
|
| 135 |
if (! cv->Open || |
| 136 |
(cv->PortType != IdSerial)) { |
| 137 |
return; |
| 138 |
} |
| 139 |
|
| 140 |
ClearCommError(cv->ComID,&DErr,NULL); |
| 141 |
SetupComm(cv->ComID,CommInQueSize,CommOutQueSize); |
| 142 |
/* flush input and output buffers */ |
| 143 |
if (ClearBuff) { |
| 144 |
PurgeComm(cv->ComID, PURGE_TXABORT | PURGE_RXABORT | |
| 145 |
PURGE_TXCLEAR | PURGE_RXCLEAR); |
| 146 |
} |
| 147 |
|
| 148 |
memset(&ctmo,0,sizeof(ctmo)); |
| 149 |
ctmo.ReadIntervalTimeout = MAXDWORD; |
| 150 |
ctmo.WriteTotalTimeoutConstant = 500; |
| 151 |
SetCommTimeouts(cv->ComID,&ctmo); |
| 152 |
cv->InBuffCount = 0; |
| 153 |
cv->InPtr = 0; |
| 154 |
cv->OutBuffCount = 0; |
| 155 |
cv->OutPtr = 0; |
| 156 |
|
| 157 |
cv->DelayPerChar = ts->DelayPerChar; |
| 158 |
cv->DelayPerLine = ts->DelayPerLine; |
| 159 |
|
| 160 |
memset(&dcb,0,sizeof(DCB)); |
| 161 |
dcb.DCBlength = sizeof(DCB); |
| 162 |
dcb.BaudRate = GetCommSerialBaudRate(ts->Baud); |
| 163 |
dcb.fBinary = TRUE; |
| 164 |
switch (ts->Parity) { |
| 165 |
case IdParityEven: |
| 166 |
dcb.fParity = TRUE; |
| 167 |
dcb.Parity = EVENPARITY; |
| 168 |
break; |
| 169 |
case IdParityOdd: |
| 170 |
dcb.fParity = TRUE; |
| 171 |
dcb.Parity = ODDPARITY; |
| 172 |
break; |
| 173 |
case IdParityNone: |
| 174 |
dcb.Parity = NOPARITY; |
| 175 |
break; |
| 176 |
} |
| 177 |
|
| 178 |
dcb.fDtrControl = DTR_CONTROL_ENABLE; |
| 179 |
dcb.fRtsControl = RTS_CONTROL_ENABLE; |
| 180 |
switch (ts->Flow) { |
| 181 |
case IdFlowX: |
| 182 |
dcb.fOutX = TRUE; |
| 183 |
dcb.fInX = TRUE; |
| 184 |
dcb.XonLim = CommXonLim; |
| 185 |
dcb.XoffLim = CommXoffLim; |
| 186 |
dcb.XonChar = XON; |
| 187 |
dcb.XoffChar = XOFF; |
| 188 |
break; |
| 189 |
case IdFlowHard: |
| 190 |
dcb.fOutxCtsFlow = TRUE; |
| 191 |
dcb.fRtsControl = RTS_CONTROL_HANDSHAKE; |
| 192 |
break; |
| 193 |
} |
| 194 |
|
| 195 |
switch (ts->DataBit) { |
| 196 |
case IdDataBit7: |
| 197 |
dcb.ByteSize = 7; |
| 198 |
break; |
| 199 |
case IdDataBit8: |
| 200 |
dcb.ByteSize = 8; |
| 201 |
break; |
| 202 |
} |
| 203 |
switch (ts->StopBit) { |
| 204 |
case IdStopBit1: |
| 205 |
dcb.StopBits = ONESTOPBIT; |
| 206 |
break; |
| 207 |
case IdStopBit2: |
| 208 |
dcb.StopBits = TWOSTOPBITS; |
| 209 |
break; |
| 210 |
} |
| 211 |
|
| 212 |
SetCommState(cv->ComID, &dcb); |
| 213 |
|
| 214 |
/* enable receive request */ |
| 215 |
SetCommMask(cv->ComID,0); |
| 216 |
SetCommMask(cv->ComID,EV_RXCHAR); |
| 217 |
} |
| 218 |
|
| 219 |
void CommOpen(HWND HW, PTTSet ts, PComVar cv) |
| 220 |
{ |
| 221 |
#ifdef NO_INET6 |
| 222 |
int Err; |
| 223 |
#endif /* NO_INET6 */ |
| 224 |
char ErrMsg[21]; |
| 225 |
char P[50]; |
| 226 |
|
| 227 |
MSG Msg; |
| 228 |
#ifndef NO_INET6 |
| 229 |
ADDRINFO hints; |
| 230 |
char pname[NI_MAXSERV]; |
| 231 |
#else |
| 232 |
char HEntBuff[MAXGETHOSTSTRUCT]; |
| 233 |
u_long addr; |
| 234 |
SOCKADDR_IN saddr; |
| 235 |
#endif /* NO_INET6 */ |
| 236 |
|
| 237 |
BOOL InvalidHost; |
| 238 |
#ifdef NO_INET6 |
| 239 |
BOOL BBuf; |
| 240 |
#endif /* NO_INET6 */ |
| 241 |
|
| 242 |
char uimsg[MAX_UIMSG]; |
| 243 |
|
| 244 |
/* initialize ComVar */ |
| 245 |
cv->InBuffCount = 0; |
| 246 |
cv->InPtr = 0; |
| 247 |
cv->OutBuffCount = 0; |
| 248 |
cv->OutPtr = 0; |
| 249 |
cv->HWin = HW; |
| 250 |
cv->Ready = FALSE; |
| 251 |
cv->Open = FALSE; |
| 252 |
cv->PortType = ts->PortType; |
| 253 |
cv->ComPort = 0; |
| 254 |
cv->RetryCount = 0; |
| 255 |
#ifndef NO_INET6 |
| 256 |
cv->RetryWithOtherProtocol = TRUE; |
| 257 |
#endif /* NO_INET6 */ |
| 258 |
cv->s = INVALID_SOCKET; |
| 259 |
cv->ComID = INVALID_HANDLE_VALUE; |
| 260 |
cv->CanSend = TRUE; |
| 261 |
cv->RRQ = FALSE; |
| 262 |
cv->SendKanjiFlag = FALSE; |
| 263 |
cv->SendCode = IdASCII; |
| 264 |
cv->EchoKanjiFlag = FALSE; |
| 265 |
cv->EchoCode = IdASCII; |
| 266 |
cv->Language = ts->Language; |
| 267 |
cv->CRSend = ts->CRSend; |
| 268 |
cv->KanjiCodeEcho = ts->KanjiCode; |
| 269 |
cv->JIS7KatakanaEcho = ts->JIS7Katakana; |
| 270 |
cv->KanjiCodeSend = ts->KanjiCodeSend; |
| 271 |
cv->JIS7KatakanaSend = ts->JIS7KatakanaSend; |
| 272 |
cv->KanjiIn = ts->KanjiIn; |
| 273 |
cv->KanjiOut = ts->KanjiOut; |
| 274 |
cv->RussHost = ts->RussHost; |
| 275 |
cv->RussClient = ts->RussClient; |
| 276 |
cv->DelayFlag = TRUE; |
| 277 |
cv->DelayPerChar = ts->DelayPerChar; |
| 278 |
cv->DelayPerLine = ts->DelayPerLine; |
| 279 |
cv->TelBinRecv = FALSE; |
| 280 |
cv->TelBinSend = FALSE; |
| 281 |
cv->TelFlag = FALSE; |
| 282 |
cv->TelMode = FALSE; |
| 283 |
cv->IACFlag = FALSE; |
| 284 |
cv->TelCRFlag = FALSE; |
| 285 |
cv->TelCRSend = FALSE; |
| 286 |
cv->TelCRSendEcho = FALSE; |
| 287 |
cv->TelAutoDetect = ts->TelAutoDetect; /* TTPLUG */ |
| 288 |
cv->Locale = ts->Locale; |
| 289 |
cv->CodePage = &ts->CodePage; |
| 290 |
cv->ConnetingTimeout = &ts->ConnectingTimeout; |
| 291 |
cv->LastSendTime = time(NULL); |
| 292 |
cv->LineModeBuffCount = 0; |
| 293 |
cv->Flush = FALSE; |
| 294 |
cv->FlushLen = 0; |
| 295 |
cv->TelLineMode = FALSE; |
| 296 |
|
| 297 |
if ((ts->PortType!=IdSerial) && (strlen(ts->HostName)==0)) |
| 298 |
{ |
| 299 |
PostMessage(cv->HWin, WM_USER_COMMNOTIFY, 0, FD_CLOSE); |
| 300 |
return; |
| 301 |
} |
| 302 |
|
| 303 |
switch (ts->PortType) { |
| 304 |
case IdTCPIP: |
| 305 |
cv->TelFlag = (ts->Telnet > 0); |
| 306 |
if (ts->EnableLineMode) { |
| 307 |
cv->TelLineMode = TRUE; |
| 308 |
} |
| 309 |
if (! LoadWinsock()) { |
| 310 |
if (cv->NoMsg==0) { |
| 311 |
get_lang_msg("MSG_TT_ERROR", uimsg, sizeof(uimsg), "Tera Term: Error", ts->UILanguageFile); |
| 312 |
get_lang_msg("MSG_WINSOCK_ERROR", ts->UIMsg, sizeof(ts->UIMsg), "Cannot use winsock", ts->UILanguageFile); |
| 313 |
MessageBox(cv->HWin,ts->UIMsg,uimsg,MB_TASKMODAL | MB_ICONEXCLAMATION); |
| 314 |
} |
| 315 |
InvalidHost = TRUE; |
| 316 |
} |
| 317 |
else { |
| 318 |
TTXOpenTCP(); /* TTPLUG */ |
| 319 |
cv->Open = TRUE; |
| 320 |
#ifndef NO_INET6 |
| 321 |
/* resolving address */ |
| 322 |
memset(&hints, 0, sizeof(hints)); |
| 323 |
hints.ai_family = ts->ProtocolFamily; |
| 324 |
hints.ai_socktype = SOCK_STREAM; |
| 325 |
hints.ai_protocol = IPPROTO_TCP; |
| 326 |
_snprintf_s(pname, sizeof(pname), _TRUNCATE, "%d", ts->TCPPort); |
| 327 |
|
| 328 |
HAsync = WSAAsyncGetAddrInfo(HW, WM_USER_GETHOST, |
| 329 |
ts->HostName, pname, &hints, &cv->res0); |
| 330 |
if (HAsync == 0) |
| 331 |
InvalidHost = TRUE; |
| 332 |
else { |
| 333 |
cv->ComPort = 1; // set "getting host" flag |
| 334 |
// (see CVTWindow::OnSysCommand()) |
| 335 |
do { |
| 336 |
if (GetMessage(&Msg,0,0,0)) { |
| 337 |
if ((Msg.hwnd==HW) && |
| 338 |
((Msg.message == WM_SYSCOMMAND) && |
| 339 |
((Msg.wParam & 0xfff0) == SC_CLOSE) || |
| 340 |
(Msg.message == WM_COMMAND) && |
| 341 |
(LOWORD(Msg.wParam) == ID_FILE_EXIT) || |
| 342 |
(Msg.message == WM_CLOSE))) { /* Exit when the user closes Tera Term */ |
| 343 |
PWSACancelAsyncRequest(HAsync); |
| 344 |
CloseHandle(HAsync); |
| 345 |
HAsync = 0; |
| 346 |
cv->ComPort = 0; // clear "getting host" flag |
| 347 |
PostMessage(HW,Msg.message,Msg.wParam,Msg.lParam); |
| 348 |
return; |
| 349 |
} |
| 350 |
if (Msg.message != WM_USER_GETHOST) { /* Prosess messages */ |
| 351 |
TranslateMessage(&Msg); |
| 352 |
DispatchMessage(&Msg); |
| 353 |
} |
| 354 |
} |
| 355 |
else { |
| 356 |
return; |
| 357 |
} |
| 358 |
} while (Msg.message!=WM_USER_GETHOST); |
| 359 |
cv->ComPort = 0; // clear "getting host" flag |
| 360 |
CloseHandle(HAsync); |
| 361 |
HAsync = 0; |
| 362 |
InvalidHost = WSAGETASYNCERROR(Msg.lParam) != 0; |
| 363 |
} |
| 364 |
} /* if (!LoadWinsock()) */ |
| 365 |
|
| 366 |
if (InvalidHost) { |
| 367 |
if (cv->NoMsg==0) { |
| 368 |
get_lang_msg("MSG_TT_ERROR", uimsg, sizeof(uimsg), "Tera Term: Error", ts->UILanguageFile); |
| 369 |
get_lang_msg("MSG_INVALID_HOST_ERROR", ts->UIMsg, sizeof(ts->UIMsg), "Invalid host", ts->UILanguageFile); |
| 370 |
MessageBox(cv->HWin,ts->UIMsg,uimsg,MB_TASKMODAL | MB_ICONEXCLAMATION); |
| 371 |
} |
| 372 |
goto BreakSC; |
| 373 |
} |
| 374 |
for (cv->res = cv->res0; cv->res; cv->res = cv->res->ai_next) { |
| 375 |
cv->s = OpenSocket(cv); |
| 376 |
if (cv->s == INVALID_SOCKET) { |
| 377 |
CloseSocket(cv->s); |
| 378 |
continue; |
| 379 |
} |
| 380 |
/* start asynchronous connect */ |
| 381 |
AsyncConnect(cv); |
| 382 |
break; /* break for-loop immediately */ |
| 383 |
} |
| 384 |
break; |
| 385 |
#else |
| 386 |
if ((ts->HostName[0] >= 0x30) && (ts->HostName[0] <= 0x39)) |
| 387 |
{ |
| 388 |
addr = Pinet_addr(ts->HostName); |
| 389 |
InvalidHost = (addr == 0xffffffff); |
| 390 |
} |
| 391 |
else { |
| 392 |
HAsync = PWSAAsyncGetHostByName(HW,WM_USER_GETHOST, |
| 393 |
ts->HostName,HEntBuff,sizeof(HEntBuff)); |
| 394 |
if (HAsync == 0) |
| 395 |
InvalidHost = TRUE; |
| 396 |
else { |
| 397 |
cv->ComPort = 1; // set "getting host" flag |
| 398 |
// (see CVTWindow::OnSysCommand()) |
| 399 |
do { |
| 400 |
if (GetMessage(&Msg,0,0,0)) |
| 401 |
{ |
| 402 |
if ((Msg.hwnd==HW) && |
| 403 |
((Msg.message == WM_SYSCOMMAND) && |
| 404 |
((Msg.wParam & 0xfff0) == SC_CLOSE) || |
| 405 |
(Msg.message == WM_COMMAND) && |
| 406 |
(LOWORD(Msg.wParam) == ID_FILE_EXIT) || |
| 407 |
(Msg.message == WM_CLOSE))) |
| 408 |
{ /* Exit when the user closes Tera Term */ |
| 409 |
PWSACancelAsyncRequest(HAsync); |
| 410 |
HAsync = 0; |
| 411 |
cv->ComPort = 0; // clear "getting host" flag |
| 412 |
PostMessage(HW,Msg.message,Msg.wParam,Msg.lParam); |
| 413 |
return; |
| 414 |
} |
| 415 |
if (Msg.message != WM_USER_GETHOST) |
| 416 |
{ /* Prosess messages */ |
| 417 |
TranslateMessage(&Msg); |
| 418 |
DispatchMessage(&Msg); |
| 419 |
} |
| 420 |
} |
| 421 |
else { |
| 422 |
return; |
| 423 |
} |
| 424 |
} while (Msg.message!=WM_USER_GETHOST); |
| 425 |
cv->ComPort = 0; // clear "getting host" flag |
| 426 |
HAsync = 0; |
| 427 |
InvalidHost = WSAGETASYNCERROR(Msg.lParam) != 0; |
| 428 |
if (! InvalidHost) |
| 429 |
{ |
| 430 |
if (((PHOSTENT)HEntBuff)->h_addr_list != NULL) |
| 431 |
memcpy(&addr, |
| 432 |
((PHOSTENT)HEntBuff)->h_addr_list[0],sizeof(addr)); |
| 433 |
else |
| 434 |
InvalidHost = TRUE; |
| 435 |
} |
| 436 |
} |
| 437 |
|
| 438 |
} |
| 439 |
|
| 440 |
if (InvalidHost) |
| 441 |
{ |
| 442 |
if (cv->NoMsg==0) |
| 443 |
MessageBox(cv->HWin,"Invalid host",ErrorCaption, |
| 444 |
MB_TASKMODAL | MB_ICONEXCLAMATION); |
| 445 |
} |
| 446 |
else { |
| 447 |
cv->s= Psocket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |
| 448 |
if (cv->s==INVALID_SOCKET) |
| 449 |
{ |
| 450 |
InvalidHost = TRUE; |
| 451 |
if (cv->NoMsg==0) |
| 452 |
MessageBox(cv->HWin,ErrorCantConn,ErrorCaption, |
| 453 |
MB_TASKMODAL | MB_ICONEXCLAMATION); |
| 454 |
} |
| 455 |
else { |
| 456 |
BBuf = TRUE; |
| 457 |
Psetsockopt(cv->s,(int)SOL_SOCKET,SO_OOBINLINE,(char FAR *)&BBuf,sizeof(BBuf)); |
| 458 |
|
| 459 |
PWSAAsyncSelect(cv->s,cv->HWin,WM_USER_COMMOPEN, FD_CONNECT); |
| 460 |
saddr.sin_family = AF_INET; |
| 461 |
saddr.sin_port = Phtons(ts->TCPPort); |
| 462 |
saddr.sin_addr.s_addr = addr; |
| 463 |
memset(saddr.sin_zero,0,8); |
| 464 |
|
| 465 |
Err = Pconnect(cv->s,(LPSOCKADDR)&saddr,sizeof(saddr)); |
| 466 |
if (Err!=0 ) Err = PWSAGetLastError(); |
| 467 |
if (Err==WSAEWOULDBLOCK ) |
| 468 |
{ |
| 469 |
/* Do nothing */ |
| 470 |
} |
| 471 |
else if (Err!=0 ) |
| 472 |
PostMessage(cv->HWin, WM_USER_COMMOPEN,0, |
| 473 |
MAKELONG(FD_CONNECT,Err)); |
| 474 |
} |
| 475 |
} |
| 476 |
} |
| 477 |
break; |
| 478 |
#endif /* NO_INET6 */ |
| 479 |
|
| 480 |
case IdSerial: |
| 481 |
InitFileIO(IdSerial); /* TTPLUG */ |
| 482 |
TTXOpenFile(); /* TTPLUG */ |
| 483 |
_snprintf_s(P, sizeof(P), _TRUNCATE, "COM%d", ts->ComPort); |
| 484 |
strncpy_s(ErrMsg, sizeof(ErrMsg),P, _TRUNCATE); |
| 485 |
strncpy_s(P, sizeof(P),"\\\\.\\", _TRUNCATE); |
| 486 |
strncat_s(P, sizeof(P),ErrMsg, _TRUNCATE); |
| 487 |
cv->ComID = |
| 488 |
PCreateFile(P,GENERIC_READ | GENERIC_WRITE, |
| 489 |
0,NULL,OPEN_EXISTING, |
| 490 |
FILE_FLAG_OVERLAPPED,NULL); |
| 491 |
if (cv->ComID == INVALID_HANDLE_VALUE ) { |
| 492 |
get_lang_msg("MSG_CANTOEPN_ERROR", ts->UIMsg, sizeof(ts->UIMsg), "Cannot open %s", ts->UILanguageFile); |
| 493 |
_snprintf_s(ErrMsg, sizeof(ErrMsg), _TRUNCATE, ts->UIMsg, &P[4]); |
| 494 |
|
| 495 |
if (cv->NoMsg==0) { |
| 496 |
get_lang_msg("MSG_TT_ERROR", uimsg, sizeof(uimsg), "Tera Term: Error", ts->UILanguageFile); |
| 497 |
MessageBox(cv->HWin,ErrMsg,uimsg,MB_TASKMODAL | MB_ICONEXCLAMATION); |
| 498 |
} |
| 499 |
InvalidHost = TRUE; |
| 500 |
} |
| 501 |
else { |
| 502 |
cv->Open = TRUE; |
| 503 |
cv->ComPort = ts->ComPort; |
| 504 |
CommResetSerial(ts, cv, ts->ClearComBuffOnOpen); |
| 505 |
if (!ts->ClearComBuffOnOpen) { |
| 506 |
cv->RRQ = TRUE; |
| 507 |
} |
| 508 |
|
| 509 |
/* notify to VT window that Comm Port is open */ |
| 510 |
PostMessage(cv->HWin, WM_USER_COMMOPEN, 0, 0); |
| 511 |
InvalidHost = FALSE; |
| 512 |
|
| 513 |
SetCOMFlag(ts->ComPort); |
| 514 |
} |
| 515 |
break; /* end of "case IdSerial:" */ |
| 516 |
|
| 517 |
case IdFile: |
| 518 |
InitFileIO(IdFile); /* TTPLUG */ |
| 519 |
TTXOpenFile(); /* TTPLUG */ |
| 520 |
cv->ComID = PCreateFile(ts->HostName,GENERIC_READ,0,NULL, |
| 521 |
OPEN_EXISTING,0,NULL); |
| 522 |
InvalidHost = (cv->ComID == INVALID_HANDLE_VALUE); |
| 523 |
if (InvalidHost) { |
| 524 |
if (cv->NoMsg==0) { |
| 525 |
get_lang_msg("MSG_TT_ERROR", uimsg, sizeof(uimsg), "Tera Term: Error", ts->UILanguageFile); |
| 526 |
get_lang_msg("MSG_CANTOEPN_FILE_ERROR", ts->UIMsg, sizeof(ts->UIMsg), "Cannot open file", ts->UILanguageFile); |
| 527 |
MessageBox(cv->HWin,ts->UIMsg,uimsg,MB_TASKMODAL | MB_ICONEXCLAMATION); |
| 528 |
} |
| 529 |
} |
| 530 |
else { |
| 531 |
cv->Open = TRUE; |
| 532 |
PostMessage(cv->HWin, WM_USER_COMMOPEN, 0, 0); |
| 533 |
} |
| 534 |
break; |
| 535 |
} /* end of "switch" */ |
| 536 |
|
| 537 |
#ifndef NO_INET6 |
| 538 |
BreakSC: |
| 539 |
#endif /* NO_INET6 */ |
| 540 |
if (InvalidHost) { |
| 541 |
PostMessage(cv->HWin, WM_USER_COMMNOTIFY, 0, FD_CLOSE); |
| 542 |
if ( (ts->PortType==IdTCPIP) && cv->Open ) { |
| 543 |
if ( cv->s!=INVALID_SOCKET ) { |
| 544 |
Pclosesocket(cv->s); |
| 545 |
} |
| 546 |
FreeWinsock(); |
| 547 |
} |
| 548 |
return; |
| 549 |
} |
| 550 |
} |
| 551 |
|
| 552 |
void CommThread(void *arg) |
| 553 |
{ |
| 554 |
DWORD Evt; |
| 555 |
PComVar cv = (PComVar)arg; |
| 556 |
DWORD DErr; |
| 557 |
HANDLE REnd; |
| 558 |
char Temp[20]; |
| 559 |
|
| 560 |
_snprintf_s(Temp, sizeof(Temp), _TRUNCATE, "%s%d", READENDNAME, cv->ComPort); |
| 561 |
REnd = OpenEvent(EVENT_ALL_ACCESS,FALSE, Temp); |
| 562 |
while (TRUE) { |
| 563 |
if (WaitCommEvent(cv->ComID,&Evt,NULL)) { |
| 564 |
if (! cv->Ready) { |
| 565 |
_endthread(); |
| 566 |
} |
| 567 |
if (! cv->RRQ) { |
| 568 |
PostMessage(cv->HWin, WM_USER_COMMNOTIFY, 0, FD_READ); |
| 569 |
} |
| 570 |
WaitForSingleObject(REnd,INFINITE); |
| 571 |
} |
| 572 |
else { |
| 573 |
DErr = GetLastError(); // this returns 995 (operation aborted) if a USB com port is removed |
| 574 |
if (! cv->Ready || ERROR_OPERATION_ABORTED == DErr) { |
| 575 |
_endthread(); |
| 576 |
} |
| 577 |
ClearCommError(cv->ComID,&DErr,NULL); |
| 578 |
} |
| 579 |
} |
| 580 |
} |
| 581 |
|
| 582 |
void CommStart(PComVar cv, LONG lParam, PTTSet ts) |
| 583 |
{ |
| 584 |
char ErrMsg[31]; |
| 585 |
char Temp[20]; |
| 586 |
char uimsg[MAX_UIMSG]; |
| 587 |
|
| 588 |
if (! cv->Open ) { |
| 589 |
return; |
| 590 |
} |
| 591 |
if ( cv->Ready ) { |
| 592 |
return; |
| 593 |
} |
| 594 |
|
| 595 |
// �L�����Z���^�C�}�����������������B�������A�������_�� WM_TIMER �����������������\���������B |
| 596 |
if (*cv->ConnetingTimeout > 0) { |
| 597 |
KillTimer(cv->HWin, IdCancelConnectTimer); |
| 598 |
} |
| 599 |
|
| 600 |
switch (cv->PortType) { |
| 601 |
case IdTCPIP: |
| 602 |
ErrMsg[0] = 0; |
| 603 |
switch (HIWORD(lParam)) { |
| 604 |
case WSAECONNREFUSED: |
| 605 |
get_lang_msg("MSG_COMM_REFUSE_ERROR", ts->UIMsg, sizeof(ts->UIMsg), "Connection refused", ts->UILanguageFile); |
| 606 |
_snprintf_s(ErrMsg, sizeof(ErrMsg), _TRUNCATE, "%s", ts->UIMsg); |
| 607 |
break; |
| 608 |
case WSAENETUNREACH: |
| 609 |
get_lang_msg("MSG_COMM_REACH_ERROR", ts->UIMsg, sizeof(ts->UIMsg), "Network cannot be reached", ts->UILanguageFile); |
| 610 |
_snprintf_s(ErrMsg, sizeof(ErrMsg), _TRUNCATE, "%s", ts->UIMsg); |
| 611 |
break; |
| 612 |
case WSAETIMEDOUT: |
| 613 |
get_lang_msg("MSG_COMM_CONNECT_ERROR", ts->UIMsg, sizeof(ts->UIMsg), "Connection timed out", ts->UILanguageFile); |
| 614 |
_snprintf_s(ErrMsg, sizeof(ErrMsg), _TRUNCATE, "%s", ts->UIMsg); |
| 615 |
break; |
| 616 |
default: |
| 617 |
get_lang_msg("MSG_COMM_TIMEOUT_ERROR", ts->UIMsg, sizeof(ts->UIMsg), "Cannot connect the host", ts->UILanguageFile); |
| 618 |
_snprintf_s(ErrMsg, sizeof(ErrMsg), _TRUNCATE, "%s", ts->UIMsg); |
| 619 |
} |
| 620 |
if (HIWORD(lParam)>0) { |
| 621 |
#ifndef NO_INET6 |
| 622 |
/* connect() failed */ |
| 623 |
if (cv->res->ai_next != NULL) { |
| 624 |
/* try to connect with other protocol */ |
| 625 |
CloseSocket(cv->s); |
| 626 |
for (cv->res = cv->res->ai_next; cv->res; cv->res = cv->res->ai_next) { |
| 627 |
cv->s = OpenSocket(cv); |
| 628 |
if (cv->s == INVALID_SOCKET) { |
| 629 |
CloseSocket(cv->s); |
| 630 |
continue; |
| 631 |
} |
| 632 |
AsyncConnect(cv); |
| 633 |
cv->Ready = FALSE; |
| 634 |
cv->RetryWithOtherProtocol = TRUE; /* retry with other procotol */ |
| 635 |
return; |
| 636 |
} |
| 637 |
} else { |
| 638 |
/* trying with all protocol family are failed */ |
| 639 |
if (cv->NoMsg==0) |
| 640 |
{ |
| 641 |
get_lang_msg("MSG_TT_ERROR", uimsg, sizeof(uimsg), "Tera Term: Error", ts->UILanguageFile); |
| 642 |
MessageBox(cv->HWin,ErrMsg,uimsg,MB_TASKMODAL | MB_ICONEXCLAMATION); |
| 643 |
} |
| 644 |
PostMessage(cv->HWin, WM_USER_COMMNOTIFY, 0, FD_CLOSE); |
| 645 |
cv->RetryWithOtherProtocol = FALSE; |
| 646 |
return; |
| 647 |
} |
| 648 |
#else |
| 649 |
if (cv->NoMsg==0) |
| 650 |
MessageBox(cv->HWin,ErrMsg,ErrorCaption, |
| 651 |
MB_TASKMODAL | MB_ICONEXCLAMATION); |
| 652 |
PostMessage(cv->HWin, WM_USER_COMMNOTIFY, 0, FD_CLOSE); |
| 653 |
return; |
| 654 |
#endif /* NO_INET6 */ |
| 655 |
} |
| 656 |
|
| 657 |
#ifndef NO_INET6 |
| 658 |
/* here is connection established */ |
| 659 |
cv->RetryWithOtherProtocol = FALSE; |
| 660 |
#endif /* NO_INET6 */ |
| 661 |
PWSAAsyncSelect(cv->s,cv->HWin,WM_USER_COMMNOTIFY, FD_READ | FD_OOB | FD_CLOSE); |
| 662 |
TCPIPClosed = FALSE; |
| 663 |
break; |
| 664 |
|
| 665 |
case IdSerial: |
| 666 |
_snprintf_s(Temp, sizeof(Temp), _TRUNCATE, "%s%d", READENDNAME, cv->ComPort); |
| 667 |
ReadEnd = CreateEvent(NULL,FALSE,FALSE,Temp); |
| 668 |
_snprintf_s(Temp, sizeof(Temp), _TRUNCATE, "%s%d", WRITENAME, cv->ComPort); |
| 669 |
memset(&wol,0,sizeof(OVERLAPPED)); |
| 670 |
wol.hEvent = CreateEvent(NULL,TRUE,TRUE,Temp); |
| 671 |
_snprintf_s(Temp, sizeof(Temp), _TRUNCATE, "%s%d", READNAME, cv->ComPort); |
| 672 |
memset(&rol,0,sizeof(OVERLAPPED)); |
| 673 |
rol.hEvent = CreateEvent(NULL,TRUE,FALSE,Temp); |
| 674 |
|
| 675 |
/* create the receiver thread */ |
| 676 |
if (_beginthread(CommThread,0,cv) == -1) { |
| 677 |
get_lang_msg("MSG_TT_ERROR", uimsg, sizeof(uimsg), "Tera Term: Error", ts->UILanguageFile); |
| 678 |
get_lang_msg("MSG_TT_ERROR", ts->UIMsg, sizeof(ts->UIMsg), "Can't create thread", ts->UILanguageFile); |
| 679 |
MessageBox(cv->HWin,ts->UIMsg,uimsg,MB_TASKMODAL | MB_ICONEXCLAMATION); |
| 680 |
} |
| 681 |
break; |
| 682 |
|
| 683 |
case IdFile: |
| 684 |
cv->RRQ = TRUE; |
| 685 |
break; |
| 686 |
} |
| 687 |
cv->Ready = TRUE; |
| 688 |
} |
| 689 |
|
| 690 |
BOOL CommCanClose(PComVar cv) |
| 691 |
{ // check if data remains in buffer |
| 692 |
if (! cv->Open) { |
| 693 |
return TRUE; |
| 694 |
} |
| 695 |
if (cv->InBuffCount>0) { |
| 696 |
return FALSE; |
| 697 |
} |
| 698 |
if ((cv->HLogBuf!=NULL) && |
| 699 |
((cv->LCount>0) || |
| 700 |
(cv->DCount>0))) { |
| 701 |
return FALSE; |
| 702 |
} |
| 703 |
if ((cv->HBinBuf!=NULL) && |
| 704 |
(cv->BCount>0)) { |
| 705 |
return FALSE; |
| 706 |
} |
| 707 |
return TRUE; |
| 708 |
} |
| 709 |
|
| 710 |
void CommClose(PComVar cv) |
| 711 |
{ |
| 712 |
if ( ! cv->Open ) { |
| 713 |
return; |
| 714 |
} |
| 715 |
cv->Open = FALSE; |
| 716 |
|
| 717 |
/* disable event message posting & flush buffer */ |
| 718 |
cv->RRQ = FALSE; |
| 719 |
cv->Ready = FALSE; |
| 720 |
cv->InPtr = 0; |
| 721 |
cv->InBuffCount = 0; |
| 722 |
cv->OutPtr = 0; |
| 723 |
cv->OutBuffCount = 0; |
| 724 |
cv->LineModeBuffCount = 0; |
| 725 |
cv->FlushLen = 0; |
| 726 |
cv->Flush = FALSE; |
| 727 |
|
| 728 |
/* close port & release resources */ |
| 729 |
switch (cv->PortType) { |
| 730 |
case IdTCPIP: |
| 731 |
if (HAsync!=0) { |
| 732 |
PWSACancelAsyncRequest(HAsync); |
| 733 |
} |
| 734 |
HAsync = 0; |
| 735 |
#ifndef NO_INET6 |
| 736 |
freeaddrinfo(cv->res0); |
| 737 |
#endif /* NO_INET6 */ |
| 738 |
if ( cv->s!=INVALID_SOCKET ) { |
| 739 |
Pclosesocket(cv->s); |
| 740 |
} |
| 741 |
cv->s = INVALID_SOCKET; |
| 742 |
TTXCloseTCP(); /* TTPLUG */ |
| 743 |
FreeWinsock(); |
| 744 |
break; |
| 745 |
case IdSerial: |
| 746 |
if ( cv->ComID != INVALID_HANDLE_VALUE ) { |
| 747 |
CloseHandle(ReadEnd); |
| 748 |
CloseHandle(wol.hEvent); |
| 749 |
CloseHandle(rol.hEvent); |
| 750 |
PurgeComm(cv->ComID, PURGE_TXABORT | PURGE_RXABORT | |
| 751 |
PURGE_TXCLEAR | PURGE_RXCLEAR); |
| 752 |
EscapeCommFunction(cv->ComID,CLRDTR); |
| 753 |
SetCommMask(cv->ComID,0); |
| 754 |
PCloseFile(cv->ComID); |
| 755 |
ClearCOMFlag(cv->ComPort); |
| 756 |
} |
| 757 |
TTXCloseFile(); /* TTPLUG */ |
| 758 |
break; |
| 759 |
case IdFile: |
| 760 |
if (cv->ComID != INVALID_HANDLE_VALUE) { |
| 761 |
PCloseFile(cv->ComID); |
| 762 |
} |
| 763 |
TTXCloseFile(); /* TTPLUG */ |
| 764 |
break; |
| 765 |
} |
| 766 |
cv->ComID = INVALID_HANDLE_VALUE; |
| 767 |
cv->PortType = 0; |
| 768 |
} |
| 769 |
|
| 770 |
void CommProcRRQ(PComVar cv) |
| 771 |
{ |
| 772 |
if ( ! cv->Ready ) { |
| 773 |
return; |
| 774 |
} |
| 775 |
/* disable receive request */ |
| 776 |
switch (cv->PortType) { |
| 777 |
case IdTCPIP: |
| 778 |
if (! TCPIPClosed) { |
| 779 |
PWSAAsyncSelect(cv->s,cv->HWin,WM_USER_COMMNOTIFY, FD_OOB | FD_CLOSE); |
| 780 |
} |
| 781 |
break; |
| 782 |
case IdSerial: |
| 783 |
break; |
| 784 |
} |
| 785 |
cv->RRQ = TRUE; |
| 786 |
CommReceive(cv); |
| 787 |
} |
| 788 |
|
| 789 |
void CommReceive(PComVar cv) |
| 790 |
{ |
| 791 |
DWORD C; |
| 792 |
DWORD DErr; |
| 793 |
|
| 794 |
if (! cv->Ready || ! cv->RRQ || |
| 795 |
(cv->InBuffCount>=InBuffSize)) { |
| 796 |
return; |
| 797 |
} |
| 798 |
|
| 799 |
/* Compact buffer */ |
| 800 |
if ((cv->InBuffCount>0) && (cv->InPtr>0)) { |
| 801 |
memmove(cv->InBuff,&(cv->InBuff[cv->InPtr]),cv->InBuffCount); |
| 802 |
cv->InPtr = 0; |
| 803 |
} |
| 804 |
|
| 805 |
if (cv->InBuffCount<InBuffSize) { |
| 806 |
switch (cv->PortType) { |
| 807 |
case IdTCPIP: |
| 808 |
C = Precv(cv->s, &(cv->InBuff[cv->InBuffCount]), |
| 809 |
InBuffSize-cv->InBuffCount, 0); |
| 810 |
if (C == SOCKET_ERROR) { |
| 811 |
C = 0; |
| 812 |
PWSAGetLastError(); |
| 813 |
} |
| 814 |
cv->InBuffCount = cv->InBuffCount + C; |
| 815 |
break; |
| 816 |
case IdSerial: |
| 817 |
do { |
| 818 |
ClearCommError(cv->ComID,&DErr,NULL); |
| 819 |
if (! PReadFile(cv->ComID,&(cv->InBuff[cv->InBuffCount]), |
| 820 |
InBuffSize-cv->InBuffCount,&C,&rol)) { |
| 821 |
if (GetLastError() == ERROR_IO_PENDING) { |
| 822 |
if (WaitForSingleObject(rol.hEvent, 1000) != WAIT_OBJECT_0) { |
| 823 |
C = 0; |
| 824 |
} |
| 825 |
else { |
| 826 |
GetOverlappedResult(cv->ComID,&rol,&C,FALSE); |
| 827 |
} |
| 828 |
} |
| 829 |
else { |
| 830 |
C = 0; |
| 831 |
} |
| 832 |
} |
| 833 |
cv->InBuffCount = cv->InBuffCount + C; |
| 834 |
} while ((C!=0) && (cv->InBuffCount<InBuffSize)); |
| 835 |
ClearCommError(cv->ComID,&DErr,NULL); |
| 836 |
break; |
| 837 |
case IdFile: |
| 838 |
if (PReadFile(cv->ComID,&(cv->InBuff[cv->InBuffCount]), |
| 839 |
InBuffSize-cv->InBuffCount,&C,NULL)) { |
| 840 |
if (C == 0) { |
| 841 |
DErr = ERROR_HANDLE_EOF; |
| 842 |
} |
| 843 |
else { |
| 844 |
cv->InBuffCount = cv->InBuffCount + C; |
| 845 |
} |
| 846 |
} |
| 847 |
else { |
| 848 |
DErr = GetLastError(); |
| 849 |
} |
| 850 |
break; |
| 851 |
} |
| 852 |
} |
| 853 |
|
| 854 |
if (cv->InBuffCount==0) { |
| 855 |
switch (cv->PortType) { |
| 856 |
case IdTCPIP: |
| 857 |
if (! TCPIPClosed) { |
| 858 |
PWSAAsyncSelect(cv->s,cv->HWin, WM_USER_COMMNOTIFY, |
| 859 |
FD_READ | FD_OOB | FD_CLOSE); |
| 860 |
} |
| 861 |
break; |
| 862 |
case IdSerial: |
| 863 |
cv->RRQ = FALSE; |
| 864 |
SetEvent(ReadEnd); |
| 865 |
return; |
| 866 |
case IdFile: |
| 867 |
if (DErr != ERROR_IO_PENDING) { |
| 868 |
PostMessage(cv->HWin, WM_USER_COMMNOTIFY, 0, FD_CLOSE); |
| 869 |
cv->RRQ = FALSE; |
| 870 |
} |
| 871 |
else { |
| 872 |
cv->RRQ = TRUE; |
| 873 |
} |
| 874 |
return; |
| 875 |
} |
| 876 |
cv->RRQ = FALSE; |
| 877 |
} |
| 878 |
} |
| 879 |
|
| 880 |
void CommSend(PComVar cv) |
| 881 |
{ |
| 882 |
int delay; |
| 883 |
COMSTAT Stat; |
| 884 |
BYTE LineEnd; |
| 885 |
int C, D, Max; |
| 886 |
DWORD DErr; |
| 887 |
|
| 888 |
if ((! cv->Open) || (! cv->Ready)) { |
| 889 |
cv->OutBuffCount = 0; |
| 890 |
return; |
| 891 |
} |
| 892 |
|
| 893 |
if ((cv->OutBuffCount == 0) || (! cv->CanSend)) { |
| 894 |
return; |
| 895 |
} |
| 896 |
|
| 897 |
/* Max num of bytes to be written */ |
| 898 |
switch (cv->PortType) { |
| 899 |
case IdTCPIP: |
| 900 |
if (TCPIPClosed) { |
| 901 |
cv->OutBuffCount = 0; |
| 902 |
} |
| 903 |
Max = cv->OutBuffCount; |
| 904 |
break; |
| 905 |
case IdSerial: |
| 906 |
ClearCommError(cv->ComID,&DErr,&Stat); |
| 907 |
Max = OutBuffSize - Stat.cbOutQue; |
| 908 |
break; |
| 909 |
case IdFile: |
| 910 |
Max = cv->OutBuffCount; |
| 911 |
break; |
| 912 |
} |
| 913 |
|
| 914 |
if ( Max<=0 ) { |
| 915 |
return; |
| 916 |
} |
| 917 |
if ( Max > cv->OutBuffCount ) { |
| 918 |
Max = cv->OutBuffCount; |
| 919 |
} |
| 920 |
|
| 921 |
if (cv->PortType == IdTCPIP && cv->TelFlag) { |
| 922 |
cv->LastSendTime = time(NULL); |
| 923 |
} |
| 924 |
|
| 925 |
C = Max; |
| 926 |
delay = 0; |
| 927 |
|
| 928 |
if ( cv->DelayFlag && (cv->PortType==IdSerial) ) { |
| 929 |
if ( cv->DelayPerLine > 0 ) { |
| 930 |
if ( cv->CRSend==IdCR ) { |
| 931 |
LineEnd = 0x0d; |
| 932 |
} |
| 933 |
else { |
| 934 |
LineEnd = 0x0a; |
| 935 |
} |
| 936 |
C = 1; |
| 937 |
if ( cv->DelayPerChar==0 ) { |
| 938 |
while ((C<Max) && (cv->OutBuff[cv->OutPtr+C-1]!=LineEnd)) { |
| 939 |
C++; |
| 940 |
} |
| 941 |
} |
| 942 |
if ( cv->OutBuff[cv->OutPtr+C-1]==LineEnd ) { |
| 943 |
delay = cv->DelayPerLine; |
| 944 |
} |
| 945 |
else { |
| 946 |
delay = cv->DelayPerChar; |
| 947 |
} |
| 948 |
} |
| 949 |
else if ( cv->DelayPerChar > 0 ) { |
| 950 |
C = 1; |
| 951 |
delay = cv->DelayPerChar; |
| 952 |
} |
| 953 |
} |
| 954 |
|
| 955 |
/* Write to comm driver/Winsock */ |
| 956 |
switch (cv->PortType) { |
| 957 |
case IdTCPIP: |
| 958 |
D = Psend(cv->s, &(cv->OutBuff[cv->OutPtr]), C, 0); |
| 959 |
if ( D==SOCKET_ERROR ) { /* if error occurs */ |
| 960 |
PWSAGetLastError(); /* Clear error */ |
| 961 |
D = 0; |
| 962 |
} |
| 963 |
break; |
| 964 |
|
| 965 |
case IdSerial: |
| 966 |
if (! PWriteFile(cv->ComID,&(cv->OutBuff[cv->OutPtr]),C,(LPDWORD)&D,&wol)) { |
| 967 |
if (GetLastError() == ERROR_IO_PENDING) { |
| 968 |
if (WaitForSingleObject(wol.hEvent,1000) != WAIT_OBJECT_0) { |
| 969 |
D = C; /* Time out, ignore data */ |
| 970 |
} |
| 971 |
else { |
| 972 |
GetOverlappedResult(cv->ComID,&wol,(LPDWORD)&D,FALSE); |
| 973 |
} |
| 974 |
} |
| 975 |
else { /* I/O error */ |
| 976 |
D = C; /* ignore error */ |
| 977 |
} |
| 978 |
} |
| 979 |
ClearCommError(cv->ComID,&DErr,&Stat); |
| 980 |
break; |
| 981 |
|
| 982 |
case IdFile: |
| 983 |
if (! PWriteFile(cv->ComID, &(cv->OutBuff[cv->OutPtr]), C, (LPDWORD)&D, NULL)) { |
| 984 |
if (! GetLastError() == ERROR_IO_PENDING) { |
| 985 |
D = C; /* ignore data */ |
| 986 |
} |
| 987 |
} |
| 988 |
break; |
| 989 |
} |
| 990 |
|
| 991 |
cv->OutBuffCount = cv->OutBuffCount - D; |
| 992 |
if ( cv->OutBuffCount==0 ) { |
| 993 |
cv->OutPtr = 0; |
| 994 |
} |
| 995 |
else { |
| 996 |
cv->OutPtr = cv->OutPtr + D; |
| 997 |
} |
| 998 |
|
| 999 |
if ( (C==D) && (delay>0) ) { |
| 1000 |
cv->CanSend = FALSE; |
| 1001 |
SetTimer(cv->HWin, IdDelayTimer, delay, NULL); |
| 1002 |
} |
| 1003 |
} |
| 1004 |
|
| 1005 |
void CommSendBreak(PComVar cv) |
| 1006 |
/* for only serial ports */ |
| 1007 |
{ |
| 1008 |
MSG DummyMsg; |
| 1009 |
|
| 1010 |
if ( ! cv->Ready ) { |
| 1011 |
return; |
| 1012 |
} |
| 1013 |
|
| 1014 |
switch (cv->PortType) { |
| 1015 |
case IdSerial: |
| 1016 |
/* Set com port into a break state */ |
| 1017 |
SetCommBreak(cv->ComID); |
| 1018 |
|
| 1019 |
/* pause for 1 sec */ |
| 1020 |
if (SetTimer(cv->HWin, IdBreakTimer, 1000, NULL) != 0) { |
| 1021 |
GetMessage(&DummyMsg,cv->HWin,WM_TIMER,WM_TIMER); |
| 1022 |
} |
| 1023 |
|
| 1024 |
/* Set com port into the nonbreak state */ |
| 1025 |
ClearCommBreak(cv->ComID); |
| 1026 |
break; |
| 1027 |
} |
| 1028 |
} |
| 1029 |
|
| 1030 |
void CommLock(PTTSet ts, PComVar cv, BOOL Lock) |
| 1031 |
{ |
| 1032 |
BYTE b; |
| 1033 |
DWORD Func; |
| 1034 |
|
| 1035 |
if (! cv->Ready) { |
| 1036 |
return; |
| 1037 |
} |
| 1038 |
if ((cv->PortType==IdTCPIP) || |
| 1039 |
(cv->PortType==IdSerial) && |
| 1040 |
(ts->Flow!=IdFlowHard)) { |
| 1041 |
if (Lock) { |
| 1042 |
b = XOFF; |
| 1043 |
} |
| 1044 |
else { |
| 1045 |
b = XON; |
| 1046 |
} |
| 1047 |
CommBinaryOut(cv,&b,1); |
| 1048 |
} |
| 1049 |
else if ((cv->PortType==IdSerial) && |
| 1050 |
(ts->Flow==IdFlowHard)) { |
| 1051 |
if (Lock) { |
| 1052 |
Func = CLRRTS; |
| 1053 |
} |
| 1054 |
else { |
| 1055 |
Func = SETRTS; |
| 1056 |
} |
| 1057 |
EscapeCommFunction(cv->ComID,Func); |
| 1058 |
} |
| 1059 |
} |
| 1060 |
|
| 1061 |
int GetCommSerialBaudRate(int id) |
| 1062 |
{ |
| 1063 |
char *ch; |
| 1064 |
int val; |
| 1065 |
|
| 1066 |
// id-1�����X�g��index�������B |
| 1067 |
ch = BaudList[id - 1]; |
| 1068 |
val = atoi(ch); |
| 1069 |
return (val); |
| 1070 |
} |
| 1071 |
|
| 1072 |
BOOL PrnOpen(PCHAR DevName) |
| 1073 |
{ |
| 1074 |
char Temp[MAXPATHLEN]; |
| 1075 |
DCB dcb; |
| 1076 |
DWORD DErr; |
| 1077 |
COMMTIMEOUTS ctmo; |
| 1078 |
|
| 1079 |
strncpy_s(Temp, sizeof(Temp),DevName, _TRUNCATE); |
| 1080 |
Temp[4] = 0; // COMn or LPTn |
| 1081 |
LPTFlag = (Temp[0]=='L') || |
| 1082 |
(Temp[0]=='l'); |
| 1083 |
PrnID = CreateFile(Temp,GENERIC_WRITE, |
| 1084 |
0,NULL,OPEN_EXISTING, |
| 1085 |
0,NULL); |
| 1086 |
if (PrnID == INVALID_HANDLE_VALUE) { |
| 1087 |
return FALSE; |
| 1088 |
} |
| 1089 |
|
| 1090 |
if (GetCommState(PrnID,&dcb)) { |
| 1091 |
BuildCommDCB(DevName,&dcb); |
| 1092 |
SetCommState(PrnID,&dcb); |
| 1093 |
} |
| 1094 |
ClearCommError(PrnID,&DErr,NULL); |
| 1095 |
if (! LPTFlag) { |
| 1096 |
SetupComm(PrnID,0,CommOutQueSize); |
| 1097 |
} |
| 1098 |
/* flush output buffer */ |
| 1099 |
PurgeComm(PrnID, PURGE_TXABORT | PURGE_TXCLEAR); |
| 1100 |
memset(&ctmo,0,sizeof(ctmo)); |
| 1101 |
ctmo.WriteTotalTimeoutConstant = 1000; |
| 1102 |
SetCommTimeouts(PrnID,&ctmo); |
| 1103 |
if (! LPTFlag) { |
| 1104 |
EscapeCommFunction(PrnID,SETDTR); |
| 1105 |
} |
| 1106 |
return TRUE; |
| 1107 |
} |
| 1108 |
|
| 1109 |
int PrnWrite(PCHAR b, int c) |
| 1110 |
{ |
| 1111 |
int d; |
| 1112 |
DWORD DErr; |
| 1113 |
COMSTAT Stat; |
| 1114 |
|
| 1115 |
if (PrnID == INVALID_HANDLE_VALUE ) { |
| 1116 |
return c; |
| 1117 |
} |
| 1118 |
|
| 1119 |
ClearCommError(PrnID,&DErr,&Stat); |
| 1120 |
if (! LPTFlag && |
| 1121 |
(OutBuffSize - (int)Stat.cbOutQue < c)) { |
| 1122 |
c = OutBuffSize - Stat.cbOutQue; |
| 1123 |
} |
| 1124 |
if (c<=0) { |
| 1125 |
return 0; |
| 1126 |
} |
| 1127 |
if (! WriteFile(PrnID,b,c,(LPDWORD)&d,NULL)) { |
| 1128 |
d = 0; |
| 1129 |
} |
| 1130 |
ClearCommError(PrnID,&DErr,NULL); |
| 1131 |
return d; |
| 1132 |
} |
| 1133 |
|
| 1134 |
void PrnCancel() |
| 1135 |
{ |
| 1136 |
PurgeComm(PrnID, PURGE_TXABORT | PURGE_TXCLEAR); |
| 1137 |
PrnClose(); |
| 1138 |
} |
| 1139 |
|
| 1140 |
void PrnClose() |
| 1141 |
{ |
| 1142 |
if (PrnID != INVALID_HANDLE_VALUE) { |
| 1143 |
if (!LPTFlag) { |
| 1144 |
EscapeCommFunction(PrnID,CLRDTR); |
| 1145 |
} |
| 1146 |
CloseHandle(PrnID); |
| 1147 |
} |
| 1148 |
PrnID = INVALID_HANDLE_VALUE; |
| 1149 |
} |
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