| 1 |
#include <unistd.h> |
| 2 |
#include <fcntl.h> |
| 3 |
#include <termios.h> |
| 4 |
#include <strings.h> |
| 5 |
#include <sys/ioctl.h> |
| 6 |
|
| 7 |
#ifdef HAVE_SYS_MODEM_H |
| 8 |
#include <sys/modem.h> |
| 9 |
#endif |
| 10 |
#ifdef HAVE_SYS_FILIO_H |
| 11 |
#include <sys/filio.h> |
| 12 |
#endif |
| 13 |
#ifdef HAVE_SYS_STRTIO_H |
| 14 |
#include <sys/strtio.h> |
| 15 |
#endif |
| 16 |
|
| 17 |
#include "rdesktop.h" |
| 18 |
|
| 19 |
#ifdef WITH_DEBUG_SERIAL |
| 20 |
#define DEBUG_SERIAL(args) printf args; |
| 21 |
#else |
| 22 |
#define DEBUG_SERIAL(args) |
| 23 |
#endif |
| 24 |
|
| 25 |
#define FILE_DEVICE_SERIAL_PORT 0x1b |
| 26 |
|
| 27 |
#define SERIAL_SET_BAUD_RATE 1 |
| 28 |
#define SERIAL_SET_QUEUE_SIZE 2 |
| 29 |
#define SERIAL_SET_LINE_CONTROL 3 |
| 30 |
#define SERIAL_SET_BREAK_ON 4 |
| 31 |
#define SERIAL_SET_BREAK_OFF 5 |
| 32 |
#define SERIAL_IMMEDIATE_CHAR 6 |
| 33 |
#define SERIAL_SET_TIMEOUTS 7 |
| 34 |
#define SERIAL_GET_TIMEOUTS 8 |
| 35 |
#define SERIAL_SET_DTR 9 |
| 36 |
#define SERIAL_CLR_DTR 10 |
| 37 |
#define SERIAL_RESET_DEVICE 11 |
| 38 |
#define SERIAL_SET_RTS 12 |
| 39 |
#define SERIAL_CLR_RTS 13 |
| 40 |
#define SERIAL_SET_XOFF 14 |
| 41 |
#define SERIAL_SET_XON 15 |
| 42 |
#define SERIAL_GET_WAIT_MASK 16 |
| 43 |
#define SERIAL_SET_WAIT_MASK 17 |
| 44 |
#define SERIAL_WAIT_ON_MASK 18 |
| 45 |
#define SERIAL_PURGE 19 |
| 46 |
#define SERIAL_GET_BAUD_RATE 20 |
| 47 |
#define SERIAL_GET_LINE_CONTROL 21 |
| 48 |
#define SERIAL_GET_CHARS 22 |
| 49 |
#define SERIAL_SET_CHARS 23 |
| 50 |
#define SERIAL_GET_HANDFLOW 24 |
| 51 |
#define SERIAL_SET_HANDFLOW 25 |
| 52 |
#define SERIAL_GET_MODEMSTATUS 26 |
| 53 |
#define SERIAL_GET_COMMSTATUS 27 |
| 54 |
#define SERIAL_XOFF_COUNTER 28 |
| 55 |
#define SERIAL_GET_PROPERTIES 29 |
| 56 |
#define SERIAL_GET_DTRRTS 30 |
| 57 |
#define SERIAL_LSRMST_INSERT 31 |
| 58 |
#define SERIAL_CONFIG_SIZE 32 |
| 59 |
#define SERIAL_GET_COMMCONFIG 33 |
| 60 |
#define SERIAL_SET_COMMCONFIG 34 |
| 61 |
#define SERIAL_GET_STATS 35 |
| 62 |
#define SERIAL_CLEAR_STATS 36 |
| 63 |
#define SERIAL_GET_MODEM_CONTROL 37 |
| 64 |
#define SERIAL_SET_MODEM_CONTROL 38 |
| 65 |
#define SERIAL_SET_FIFO_CONTROL 39 |
| 66 |
|
| 67 |
#define STOP_BITS_1 0 |
| 68 |
#define STOP_BITS_2 2 |
| 69 |
|
| 70 |
#define NO_PARITY 0 |
| 71 |
#define ODD_PARITY 1 |
| 72 |
#define EVEN_PARITY 2 |
| 73 |
|
| 74 |
#define SERIAL_PURGE_TXABORT 0x00000001 |
| 75 |
#define SERIAL_PURGE_RXABORT 0x00000002 |
| 76 |
#define SERIAL_PURGE_TXCLEAR 0x00000004 |
| 77 |
#define SERIAL_PURGE_RXCLEAR 0x00000008 |
| 78 |
|
| 79 |
/* SERIAL_WAIT_ON_MASK */ |
| 80 |
#define SERIAL_EV_RXCHAR 0x0001 // Any Character received |
| 81 |
#define SERIAL_EV_RXFLAG 0x0002 // Received certain character |
| 82 |
#define SERIAL_EV_TXEMPTY 0x0004 // Transmitt Queue Empty |
| 83 |
#define SERIAL_EV_CTS 0x0008 // CTS changed state |
| 84 |
#define SERIAL_EV_DSR 0x0010 // DSR changed state |
| 85 |
#define SERIAL_EV_RLSD 0x0020 // RLSD changed state |
| 86 |
#define SERIAL_EV_BREAK 0x0040 // BREAK received |
| 87 |
#define SERIAL_EV_ERR 0x0080 // Line status error occurred |
| 88 |
#define SERIAL_EV_RING 0x0100 // Ring signal detected |
| 89 |
#define SERIAL_EV_PERR 0x0200 // Printer error occured |
| 90 |
#define SERIAL_EV_RX80FULL 0x0400 // Receive buffer is 80 percent full |
| 91 |
#define SERIAL_EV_EVENT1 0x0800 // Provider specific event 1 |
| 92 |
#define SERIAL_EV_EVENT2 0x1000 // Provider specific event 2 |
| 93 |
|
| 94 |
/* Modem Status */ |
| 95 |
#define SERIAL_MS_DTR 0x01 |
| 96 |
#define SERIAL_MS_RTS 0x02 |
| 97 |
#define SERIAL_MS_CTS 0x10 |
| 98 |
#define SERIAL_MS_DSR 0x20 |
| 99 |
#define SERIAL_MS_RNG 0x40 |
| 100 |
#define SERIAL_MS_CAR 0x80 |
| 101 |
|
| 102 |
/* Handflow */ |
| 103 |
#define SERIAL_DTR_CONTROL 0x01 |
| 104 |
#define SERIAL_CTS_HANDSHAKE 0x08 |
| 105 |
#define SERIAL_ERROR_ABORT 0x80000000 |
| 106 |
|
| 107 |
#define SERIAL_XON_HANDSHAKE 0x01 |
| 108 |
#define SERIAL_XOFF_HANDSHAKE 0x02 |
| 109 |
#define SERIAL_DSR_SENSITIVITY 0x40 |
| 110 |
|
| 111 |
#define SERIAL_CHAR_EOF 0 |
| 112 |
#define SERIAL_CHAR_ERROR 1 |
| 113 |
#define SERIAL_CHAR_BREAK 2 |
| 114 |
#define SERIAL_CHAR_EVENT 3 |
| 115 |
#define SERIAL_CHAR_XON 4 |
| 116 |
#define SERIAL_CHAR_XOFF 5 |
| 117 |
|
| 118 |
#ifndef CRTSCTS |
| 119 |
#define CRTSCTS 0 |
| 120 |
#endif |
| 121 |
|
| 122 |
/* FIONREAD should really do the same thing as TIOCINQ, where it is |
| 123 |
* not available */ |
| 124 |
#ifndef TIOCINQ |
| 125 |
#define TIOCINQ FIONREAD |
| 126 |
#endif |
| 127 |
|
| 128 |
extern RDPDR_DEVICE g_rdpdr_device[]; |
| 129 |
|
| 130 |
static SERIAL_DEVICE * |
| 131 |
get_serial_info(NTHANDLE handle) |
| 132 |
{ |
| 133 |
int index; |
| 134 |
|
| 135 |
for (index = 0; index < RDPDR_MAX_DEVICES; index++) |
| 136 |
{ |
| 137 |
if (handle == g_rdpdr_device[index].handle) |
| 138 |
return (SERIAL_DEVICE *) g_rdpdr_device[index].pdevice_data; |
| 139 |
} |
| 140 |
return NULL; |
| 141 |
} |
| 142 |
|
| 143 |
static BOOL |
| 144 |
get_termios(SERIAL_DEVICE * pser_inf, NTHANDLE serial_fd) |
| 145 |
{ |
| 146 |
speed_t speed; |
| 147 |
struct termios *ptermios; |
| 148 |
|
| 149 |
ptermios = pser_inf->ptermios; |
| 150 |
|
| 151 |
if (tcgetattr(serial_fd, ptermios) == -1) |
| 152 |
return False; |
| 153 |
|
| 154 |
speed = cfgetispeed(ptermios); |
| 155 |
switch (speed) |
| 156 |
{ |
| 157 |
#ifdef B75 |
| 158 |
case B75: |
| 159 |
pser_inf->baud_rate = 75; |
| 160 |
break; |
| 161 |
#endif |
| 162 |
#ifdef B110 |
| 163 |
case B110: |
| 164 |
pser_inf->baud_rate = 110; |
| 165 |
break; |
| 166 |
#endif |
| 167 |
#ifdef B134 |
| 168 |
case B134: |
| 169 |
pser_inf->baud_rate = 134; |
| 170 |
break; |
| 171 |
#endif |
| 172 |
#ifdef B150 |
| 173 |
case B150: |
| 174 |
pser_inf->baud_rate = 150; |
| 175 |
break; |
| 176 |
#endif |
| 177 |
#ifdef B300 |
| 178 |
case B300: |
| 179 |
pser_inf->baud_rate = 300; |
| 180 |
break; |
| 181 |
#endif |
| 182 |
#ifdef B600 |
| 183 |
case B600: |
| 184 |
pser_inf->baud_rate = 600; |
| 185 |
break; |
| 186 |
#endif |
| 187 |
#ifdef B1200 |
| 188 |
case B1200: |
| 189 |
pser_inf->baud_rate = 1200; |
| 190 |
break; |
| 191 |
#endif |
| 192 |
#ifdef B1800 |
| 193 |
case B1800: |
| 194 |
pser_inf->baud_rate = 1800; |
| 195 |
break; |
| 196 |
#endif |
| 197 |
#ifdef B2400 |
| 198 |
case B2400: |
| 199 |
pser_inf->baud_rate = 2400; |
| 200 |
break; |
| 201 |
#endif |
| 202 |
#ifdef B4800 |
| 203 |
case B4800: |
| 204 |
pser_inf->baud_rate = 4800; |
| 205 |
break; |
| 206 |
#endif |
| 207 |
#ifdef B9600 |
| 208 |
case B9600: |
| 209 |
pser_inf->baud_rate = 9600; |
| 210 |
break; |
| 211 |
#endif |
| 212 |
#ifdef B19200 |
| 213 |
case B19200: |
| 214 |
pser_inf->baud_rate = 19200; |
| 215 |
break; |
| 216 |
#endif |
| 217 |
#ifdef B38400 |
| 218 |
case B38400: |
| 219 |
pser_inf->baud_rate = 38400; |
| 220 |
break; |
| 221 |
#endif |
| 222 |
#ifdef B57600 |
| 223 |
case B57600: |
| 224 |
pser_inf->baud_rate = 57600; |
| 225 |
break; |
| 226 |
#endif |
| 227 |
#ifdef B115200 |
| 228 |
case B115200: |
| 229 |
pser_inf->baud_rate = 115200; |
| 230 |
break; |
| 231 |
#endif |
| 232 |
#ifdef B230400 |
| 233 |
case B230400: |
| 234 |
pser_inf->baud_rate = 230400; |
| 235 |
break; |
| 236 |
#endif |
| 237 |
#ifdef B460800 |
| 238 |
case B460800: |
| 239 |
pser_inf->baud_rate = 460800; |
| 240 |
break; |
| 241 |
#endif |
| 242 |
default: |
| 243 |
pser_inf->baud_rate = 9600; |
| 244 |
break; |
| 245 |
} |
| 246 |
|
| 247 |
speed = cfgetospeed(ptermios); |
| 248 |
pser_inf->dtr = (speed == B0) ? 0 : 1; |
| 249 |
|
| 250 |
pser_inf->stop_bits = (ptermios->c_cflag & CSTOPB) ? STOP_BITS_2 : STOP_BITS_1; |
| 251 |
pser_inf->parity = |
| 252 |
(ptermios-> |
| 253 |
c_cflag & PARENB) ? ((ptermios-> |
| 254 |
c_cflag & PARODD) ? ODD_PARITY : EVEN_PARITY) : NO_PARITY; |
| 255 |
switch (ptermios->c_cflag & CSIZE) |
| 256 |
{ |
| 257 |
case CS5: |
| 258 |
pser_inf->word_length = 5; |
| 259 |
break; |
| 260 |
case CS6: |
| 261 |
pser_inf->word_length = 6; |
| 262 |
break; |
| 263 |
case CS7: |
| 264 |
pser_inf->word_length = 7; |
| 265 |
break; |
| 266 |
default: |
| 267 |
pser_inf->word_length = 8; |
| 268 |
break; |
| 269 |
} |
| 270 |
|
| 271 |
if (ptermios->c_cflag & CRTSCTS) |
| 272 |
{ |
| 273 |
pser_inf->control = SERIAL_DTR_CONTROL | SERIAL_CTS_HANDSHAKE | SERIAL_ERROR_ABORT; |
| 274 |
} |
| 275 |
else |
| 276 |
{ |
| 277 |
pser_inf->control = SERIAL_DTR_CONTROL | SERIAL_ERROR_ABORT; |
| 278 |
} |
| 279 |
|
| 280 |
pser_inf->xonoff = SERIAL_DSR_SENSITIVITY; |
| 281 |
if (ptermios->c_iflag & IXON) |
| 282 |
pser_inf->xonoff |= SERIAL_XON_HANDSHAKE; |
| 283 |
|
| 284 |
if (ptermios->c_iflag & IXOFF) |
| 285 |
pser_inf->xonoff |= SERIAL_XOFF_HANDSHAKE; |
| 286 |
|
| 287 |
pser_inf->chars[SERIAL_CHAR_XON] = ptermios->c_cc[VSTART]; |
| 288 |
pser_inf->chars[SERIAL_CHAR_XOFF] = ptermios->c_cc[VSTOP]; |
| 289 |
pser_inf->chars[SERIAL_CHAR_EOF] = ptermios->c_cc[VEOF]; |
| 290 |
pser_inf->chars[SERIAL_CHAR_BREAK] = ptermios->c_cc[VINTR]; |
| 291 |
pser_inf->chars[SERIAL_CHAR_ERROR] = ptermios->c_cc[VKILL]; |
| 292 |
|
| 293 |
return True; |
| 294 |
} |
| 295 |
|
| 296 |
static void |
| 297 |
set_termios(SERIAL_DEVICE * pser_inf, NTHANDLE serial_fd) |
| 298 |
{ |
| 299 |
speed_t speed; |
| 300 |
|
| 301 |
struct termios *ptermios; |
| 302 |
|
| 303 |
ptermios = pser_inf->ptermios; |
| 304 |
|
| 305 |
|
| 306 |
switch (pser_inf->baud_rate) |
| 307 |
{ |
| 308 |
#ifdef B75 |
| 309 |
case 75: |
| 310 |
speed = B75; |
| 311 |
break; |
| 312 |
#endif |
| 313 |
#ifdef B110 |
| 314 |
case 110: |
| 315 |
speed = B110; |
| 316 |
break; |
| 317 |
#endif |
| 318 |
#ifdef B134 |
| 319 |
case 134: |
| 320 |
speed = B134; |
| 321 |
break; |
| 322 |
#endif |
| 323 |
#ifdef B150 |
| 324 |
case 150: |
| 325 |
speed = B150; |
| 326 |
break; |
| 327 |
#endif |
| 328 |
#ifdef B300 |
| 329 |
case 300: |
| 330 |
speed = B300; |
| 331 |
break; |
| 332 |
#endif |
| 333 |
#ifdef B600 |
| 334 |
case 600: |
| 335 |
speed = B600; |
| 336 |
break; |
| 337 |
#endif |
| 338 |
#ifdef B1200 |
| 339 |
case 1200: |
| 340 |
speed = B1200; |
| 341 |
break; |
| 342 |
#endif |
| 343 |
#ifdef B1800 |
| 344 |
case 1800: |
| 345 |
speed = B1800; |
| 346 |
break; |
| 347 |
#endif |
| 348 |
#ifdef B2400 |
| 349 |
case 2400: |
| 350 |
speed = B2400; |
| 351 |
break; |
| 352 |
#endif |
| 353 |
#ifdef B4800 |
| 354 |
case 4800: |
| 355 |
speed = B4800; |
| 356 |
break; |
| 357 |
#endif |
| 358 |
#ifdef B9600 |
| 359 |
case 9600: |
| 360 |
speed = B9600; |
| 361 |
break; |
| 362 |
#endif |
| 363 |
#ifdef B19200 |
| 364 |
case 19200: |
| 365 |
speed = B19200; |
| 366 |
break; |
| 367 |
#endif |
| 368 |
#ifdef B38400 |
| 369 |
case 38400: |
| 370 |
speed = B38400; |
| 371 |
break; |
| 372 |
#endif |
| 373 |
#ifdef B57600 |
| 374 |
case 57600: |
| 375 |
speed = B57600; |
| 376 |
break; |
| 377 |
#endif |
| 378 |
#ifdef B115200 |
| 379 |
case 115200: |
| 380 |
speed = B115200; |
| 381 |
break; |
| 382 |
#endif |
| 383 |
#ifdef B230400 |
| 384 |
case 230400: |
| 385 |
speed = B115200; |
| 386 |
break; |
| 387 |
#endif |
| 388 |
#ifdef B460800 |
| 389 |
case 460800: |
| 390 |
speed = B115200; |
| 391 |
break; |
| 392 |
#endif |
| 393 |
default: |
| 394 |
speed = B9600; |
| 395 |
break; |
| 396 |
} |
| 397 |
|
| 398 |
#ifdef CBAUD |
| 399 |
ptermios->c_cflag &= ~CBAUD; |
| 400 |
ptermios->c_cflag |= speed; |
| 401 |
#else |
| 402 |
/* on systems with separate ispeed and ospeed, we can remember the speed |
| 403 |
in ispeed while changing DTR with ospeed */ |
| 404 |
cfsetispeed(pser_inf->ptermios, speed); |
| 405 |
cfsetospeed(pser_inf->ptermios, pser_inf->dtr ? speed : 0); |
| 406 |
#endif |
| 407 |
|
| 408 |
ptermios->c_cflag &= ~(CSTOPB | PARENB | PARODD | CSIZE | CRTSCTS); |
| 409 |
switch (pser_inf->stop_bits) |
| 410 |
{ |
| 411 |
case STOP_BITS_2: |
| 412 |
ptermios->c_cflag |= CSTOPB; |
| 413 |
break; |
| 414 |
default: |
| 415 |
ptermios->c_cflag &= ~CSTOPB; |
| 416 |
break; |
| 417 |
} |
| 418 |
|
| 419 |
switch (pser_inf->parity) |
| 420 |
{ |
| 421 |
case EVEN_PARITY: |
| 422 |
ptermios->c_cflag |= PARENB; |
| 423 |
break; |
| 424 |
case ODD_PARITY: |
| 425 |
ptermios->c_cflag |= PARENB | PARODD; |
| 426 |
break; |
| 427 |
case NO_PARITY: |
| 428 |
ptermios->c_cflag &= ~(PARENB | PARODD); |
| 429 |
break; |
| 430 |
} |
| 431 |
|
| 432 |
switch (pser_inf->word_length) |
| 433 |
{ |
| 434 |
case 5: |
| 435 |
ptermios->c_cflag |= CS5; |
| 436 |
break; |
| 437 |
case 6: |
| 438 |
ptermios->c_cflag |= CS6; |
| 439 |
break; |
| 440 |
case 7: |
| 441 |
ptermios->c_cflag |= CS7; |
| 442 |
break; |
| 443 |
default: |
| 444 |
ptermios->c_cflag |= CS8; |
| 445 |
break; |
| 446 |
} |
| 447 |
|
| 448 |
#if 0 |
| 449 |
if (pser_inf->rts) |
| 450 |
ptermios->c_cflag |= CRTSCTS; |
| 451 |
else |
| 452 |
ptermios->c_cflag &= ~CRTSCTS; |
| 453 |
#endif |
| 454 |
|
| 455 |
if (pser_inf->control & SERIAL_CTS_HANDSHAKE) |
| 456 |
{ |
| 457 |
ptermios->c_cflag |= CRTSCTS; |
| 458 |
} |
| 459 |
else |
| 460 |
{ |
| 461 |
ptermios->c_cflag &= ~CRTSCTS; |
| 462 |
} |
| 463 |
|
| 464 |
|
| 465 |
if (pser_inf->xonoff & SERIAL_XON_HANDSHAKE) |
| 466 |
{ |
| 467 |
ptermios->c_iflag |= IXON | IMAXBEL; |
| 468 |
} |
| 469 |
if (pser_inf->xonoff & SERIAL_XOFF_HANDSHAKE) |
| 470 |
{ |
| 471 |
ptermios->c_iflag |= IXOFF | IMAXBEL; |
| 472 |
} |
| 473 |
|
| 474 |
if ((pser_inf->xonoff & (SERIAL_XOFF_HANDSHAKE | SERIAL_XON_HANDSHAKE)) == 0) |
| 475 |
{ |
| 476 |
ptermios->c_iflag &= ~IXON; |
| 477 |
ptermios->c_iflag &= ~IXOFF; |
| 478 |
} |
| 479 |
|
| 480 |
ptermios->c_cc[VSTART] = pser_inf->chars[SERIAL_CHAR_XON]; |
| 481 |
ptermios->c_cc[VSTOP] = pser_inf->chars[SERIAL_CHAR_XOFF]; |
| 482 |
ptermios->c_cc[VEOF] = pser_inf->chars[SERIAL_CHAR_EOF]; |
| 483 |
ptermios->c_cc[VINTR] = pser_inf->chars[SERIAL_CHAR_BREAK]; |
| 484 |
ptermios->c_cc[VKILL] = pser_inf->chars[SERIAL_CHAR_ERROR]; |
| 485 |
|
| 486 |
tcsetattr(serial_fd, TCSANOW, ptermios); |
| 487 |
} |
| 488 |
|
| 489 |
/* Enumeration of devices from rdesktop.c */ |
| 490 |
/* returns numer of units found and initialized. */ |
| 491 |
/* optarg looks like ':com1=/dev/ttyS0' */ |
| 492 |
/* when it arrives to this function. */ |
| 493 |
/* :com1=/dev/ttyS0,com2=/dev/ttyS1 */ |
| 494 |
int |
| 495 |
serial_enum_devices(uint32 * id, char *optarg) |
| 496 |
{ |
| 497 |
SERIAL_DEVICE *pser_inf; |
| 498 |
|
| 499 |
char *pos = optarg; |
| 500 |
char *pos2; |
| 501 |
int count = 0; |
| 502 |
|
| 503 |
// skip the first colon |
| 504 |
optarg++; |
| 505 |
while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES) |
| 506 |
{ |
| 507 |
// Init data structures for device |
| 508 |
pser_inf = (SERIAL_DEVICE *) xmalloc(sizeof(SERIAL_DEVICE)); |
| 509 |
pser_inf->ptermios = (struct termios *) xmalloc(sizeof(struct termios)); |
| 510 |
memset(pser_inf->ptermios, 0, sizeof(struct termios)); |
| 511 |
pser_inf->pold_termios = (struct termios *) xmalloc(sizeof(struct termios)); |
| 512 |
memset(pser_inf->pold_termios, 0, sizeof(struct termios)); |
| 513 |
|
| 514 |
pos2 = next_arg(optarg, '='); |
| 515 |
strcpy(g_rdpdr_device[*id].name, optarg); |
| 516 |
|
| 517 |
toupper_str(g_rdpdr_device[*id].name); |
| 518 |
|
| 519 |
g_rdpdr_device[*id].local_path = xmalloc(strlen(pos2) + 1); |
| 520 |
strcpy(g_rdpdr_device[*id].local_path, pos2); |
| 521 |
printf("SERIAL %s to %s\n", g_rdpdr_device[*id].name, |
| 522 |
g_rdpdr_device[*id].local_path); |
| 523 |
// set device type |
| 524 |
g_rdpdr_device[*id].device_type = DEVICE_TYPE_SERIAL; |
| 525 |
g_rdpdr_device[*id].pdevice_data = (void *) pser_inf; |
| 526 |
count++; |
| 527 |
(*id)++; |
| 528 |
|
| 529 |
optarg = pos; |
| 530 |
} |
| 531 |
return count; |
| 532 |
} |
| 533 |
|
| 534 |
static NTSTATUS |
| 535 |
serial_create(uint32 device_id, uint32 access, uint32 share_mode, uint32 disposition, |
| 536 |
uint32 flags_and_attributes, char *filename, NTHANDLE * handle) |
| 537 |
{ |
| 538 |
NTHANDLE serial_fd; |
| 539 |
SERIAL_DEVICE *pser_inf; |
| 540 |
struct termios *ptermios; |
| 541 |
|
| 542 |
pser_inf = (SERIAL_DEVICE *) g_rdpdr_device[device_id].pdevice_data; |
| 543 |
ptermios = pser_inf->ptermios; |
| 544 |
serial_fd = open(g_rdpdr_device[device_id].local_path, O_RDWR | O_NOCTTY | O_NONBLOCK); |
| 545 |
|
| 546 |
if (serial_fd == -1) |
| 547 |
{ |
| 548 |
perror("open"); |
| 549 |
return STATUS_ACCESS_DENIED; |
| 550 |
} |
| 551 |
|
| 552 |
if (!get_termios(pser_inf, serial_fd)) |
| 553 |
{ |
| 554 |
printf("INFO: SERIAL %s access denied\n", g_rdpdr_device[device_id].name); |
| 555 |
fflush(stdout); |
| 556 |
return STATUS_ACCESS_DENIED; |
| 557 |
} |
| 558 |
|
| 559 |
// Store handle for later use |
| 560 |
g_rdpdr_device[device_id].handle = serial_fd; |
| 561 |
|
| 562 |
/* some sane information */ |
| 563 |
DEBUG_SERIAL(("INFO: SERIAL %s to %s\nINFO: speed %u baud, stop bits %u, parity %u, word length %u bits, dtr %u, rts %u\n", g_rdpdr_device[device_id].name, g_rdpdr_device[device_id].local_path, pser_inf->baud_rate, pser_inf->stop_bits, pser_inf->parity, pser_inf->word_length, pser_inf->dtr, pser_inf->rts)); |
| 564 |
|
| 565 |
pser_inf->ptermios->c_iflag &= |
| 566 |
~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON); |
| 567 |
pser_inf->ptermios->c_oflag &= ~OPOST; |
| 568 |
pser_inf->ptermios->c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN | XCASE); |
| 569 |
pser_inf->ptermios->c_cflag &= ~(CSIZE | PARENB); |
| 570 |
pser_inf->ptermios->c_cflag |= CS8; |
| 571 |
|
| 572 |
tcsetattr(serial_fd, TCSANOW, pser_inf->ptermios); |
| 573 |
|
| 574 |
pser_inf->event_txempty = 0; |
| 575 |
pser_inf->event_cts = 0; |
| 576 |
pser_inf->event_dsr = 0; |
| 577 |
pser_inf->event_rlsd = 0; |
| 578 |
pser_inf->event_pending = 0; |
| 579 |
|
| 580 |
*handle = serial_fd; |
| 581 |
|
| 582 |
/* all read and writes should be non blocking */ |
| 583 |
if (fcntl(*handle, F_SETFL, O_NONBLOCK) == -1) |
| 584 |
perror("fcntl"); |
| 585 |
|
| 586 |
pser_inf->read_total_timeout_constant = 5; |
| 587 |
|
| 588 |
return STATUS_SUCCESS; |
| 589 |
} |
| 590 |
|
| 591 |
static NTSTATUS |
| 592 |
serial_close(NTHANDLE handle) |
| 593 |
{ |
| 594 |
int i = get_device_index(handle); |
| 595 |
if (i >= 0) |
| 596 |
g_rdpdr_device[i].handle = 0; |
| 597 |
|
| 598 |
rdpdr_abort_io(handle, 0, STATUS_TIMEOUT); |
| 599 |
close(handle); |
| 600 |
return STATUS_SUCCESS; |
| 601 |
} |
| 602 |
|
| 603 |
static NTSTATUS |
| 604 |
serial_read(NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) |
| 605 |
{ |
| 606 |
long timeout; |
| 607 |
SERIAL_DEVICE *pser_inf; |
| 608 |
struct termios *ptermios; |
| 609 |
#ifdef WITH_DEBUG_SERIAL |
| 610 |
int bytes_inqueue; |
| 611 |
#endif |
| 612 |
|
| 613 |
|
| 614 |
timeout = 90; |
| 615 |
pser_inf = get_serial_info(handle); |
| 616 |
ptermios = pser_inf->ptermios; |
| 617 |
|
| 618 |
// Set timeouts kind of like the windows serial timeout parameters. Multiply timeout |
| 619 |
// with requested read size |
| 620 |
if (pser_inf->read_total_timeout_multiplier | pser_inf->read_total_timeout_constant) |
| 621 |
{ |
| 622 |
timeout = |
| 623 |
(pser_inf->read_total_timeout_multiplier * length + |
| 624 |
pser_inf->read_total_timeout_constant + 99) / 100; |
| 625 |
} |
| 626 |
else if (pser_inf->read_interval_timeout) |
| 627 |
{ |
| 628 |
timeout = (pser_inf->read_interval_timeout * length + 99) / 100; |
| 629 |
} |
| 630 |
|
| 631 |
// If a timeout is set, do a blocking read, which times out after some time. |
| 632 |
// It will make rdesktop less responsive, but it will improve serial performance, by not |
| 633 |
// reading one character at a time. |
| 634 |
if (timeout == 0) |
| 635 |
{ |
| 636 |
ptermios->c_cc[VTIME] = 0; |
| 637 |
ptermios->c_cc[VMIN] = 0; |
| 638 |
} |
| 639 |
else |
| 640 |
{ |
| 641 |
ptermios->c_cc[VTIME] = timeout; |
| 642 |
ptermios->c_cc[VMIN] = 1; |
| 643 |
} |
| 644 |
tcsetattr(handle, TCSANOW, ptermios); |
| 645 |
|
| 646 |
#ifdef WITH_DEBUG_SERIAL |
| 647 |
ioctl(handle, TIOCINQ, &bytes_inqueue); |
| 648 |
DEBUG_SERIAL(("serial_read inqueue: %d expected %d\n", bytes_inqueue, length)); |
| 649 |
#endif |
| 650 |
|
| 651 |
*result = read(handle, data, length); |
| 652 |
|
| 653 |
#ifdef WITH_DEBUG_SERIAL |
| 654 |
DEBUG_SERIAL(("serial_read Bytes %d\n", *result)); |
| 655 |
if (*result > 0) |
| 656 |
hexdump(data, *result); |
| 657 |
#endif |
| 658 |
|
| 659 |
return STATUS_SUCCESS; |
| 660 |
} |
| 661 |
|
| 662 |
static NTSTATUS |
| 663 |
serial_write(NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) |
| 664 |
{ |
| 665 |
SERIAL_DEVICE *pser_inf; |
| 666 |
|
| 667 |
pser_inf = get_serial_info(handle); |
| 668 |
|
| 669 |
*result = write(handle, data, length); |
| 670 |
|
| 671 |
if (*result > 0) |
| 672 |
pser_inf->event_txempty = *result; |
| 673 |
|
| 674 |
DEBUG_SERIAL(("serial_write length %d, offset %d result %d\n", length, offset, *result)); |
| 675 |
|
| 676 |
return STATUS_SUCCESS; |
| 677 |
} |
| 678 |
|
| 679 |
static NTSTATUS |
| 680 |
serial_device_control(NTHANDLE handle, uint32 request, STREAM in, STREAM out) |
| 681 |
{ |
| 682 |
int flush_mask, purge_mask; |
| 683 |
uint32 result, modemstate; |
| 684 |
uint8 immediate; |
| 685 |
SERIAL_DEVICE *pser_inf; |
| 686 |
struct termios *ptermios; |
| 687 |
|
| 688 |
if ((request >> 16) != FILE_DEVICE_SERIAL_PORT) |
| 689 |
return STATUS_INVALID_PARAMETER; |
| 690 |
|
| 691 |
pser_inf = get_serial_info(handle); |
| 692 |
ptermios = pser_inf->ptermios; |
| 693 |
|
| 694 |
/* extract operation */ |
| 695 |
request >>= 2; |
| 696 |
request &= 0xfff; |
| 697 |
|
| 698 |
switch (request) |
| 699 |
{ |
| 700 |
case SERIAL_SET_BAUD_RATE: |
| 701 |
in_uint32_le(in, pser_inf->baud_rate); |
| 702 |
set_termios(pser_inf, handle); |
| 703 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_BAUD_RATE %d\n", pser_inf->baud_rate)); |
| 704 |
break; |
| 705 |
case SERIAL_GET_BAUD_RATE: |
| 706 |
out_uint32_le(out, pser_inf->baud_rate); |
| 707 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_BAUD_RATE %d\n", pser_inf->baud_rate)); |
| 708 |
break; |
| 709 |
case SERIAL_SET_QUEUE_SIZE: |
| 710 |
in_uint32_le(in, pser_inf->queue_in_size); |
| 711 |
in_uint32_le(in, pser_inf->queue_out_size); |
| 712 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_QUEUE_SIZE in %d out %d\n", |
| 713 |
pser_inf->queue_in_size, pser_inf->queue_out_size)); |
| 714 |
break; |
| 715 |
case SERIAL_SET_LINE_CONTROL: |
| 716 |
in_uint8(in, pser_inf->stop_bits); |
| 717 |
in_uint8(in, pser_inf->parity); |
| 718 |
in_uint8(in, pser_inf->word_length); |
| 719 |
set_termios(pser_inf, handle); |
| 720 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_LINE_CONTROL stop %d parity %d word %d\n", |
| 721 |
pser_inf->stop_bits, pser_inf->parity, pser_inf->word_length)); |
| 722 |
break; |
| 723 |
case SERIAL_GET_LINE_CONTROL: |
| 724 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_LINE_CONTROL\n")); |
| 725 |
out_uint8(out, pser_inf->stop_bits); |
| 726 |
out_uint8(out, pser_inf->parity); |
| 727 |
out_uint8(out, pser_inf->word_length); |
| 728 |
break; |
| 729 |
case SERIAL_IMMEDIATE_CHAR: |
| 730 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_IMMEDIATE_CHAR\n")); |
| 731 |
in_uint8(in, immediate); |
| 732 |
serial_write(handle, &immediate, 1, 0, &result); |
| 733 |
break; |
| 734 |
case SERIAL_CONFIG_SIZE: |
| 735 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_CONFIG_SIZE\n")); |
| 736 |
out_uint32_le(out, 0); |
| 737 |
break; |
| 738 |
case SERIAL_GET_CHARS: |
| 739 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_CHARS\n")); |
| 740 |
out_uint8a(out, pser_inf->chars, 6); |
| 741 |
break; |
| 742 |
case SERIAL_SET_CHARS: |
| 743 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_CHARS\n")); |
| 744 |
in_uint8a(in, pser_inf->chars, 6); |
| 745 |
#ifdef WITH_DEBUG_SERIAL |
| 746 |
hexdump(pser_inf->chars, 6); |
| 747 |
#endif |
| 748 |
set_termios(pser_inf, handle); |
| 749 |
break; |
| 750 |
case SERIAL_GET_HANDFLOW: |
| 751 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_HANDFLOW\n")); |
| 752 |
get_termios(pser_inf, handle); |
| 753 |
out_uint32_le(out, pser_inf->control); |
| 754 |
out_uint32_le(out, pser_inf->xonoff); /* Xon/Xoff */ |
| 755 |
out_uint32_le(out, pser_inf->onlimit); |
| 756 |
out_uint32_le(out, pser_inf->offlimit); |
| 757 |
break; |
| 758 |
case SERIAL_SET_HANDFLOW: |
| 759 |
in_uint32_le(in, pser_inf->control); |
| 760 |
in_uint32_le(in, pser_inf->xonoff); |
| 761 |
in_uint32_le(in, pser_inf->onlimit); |
| 762 |
in_uint32_le(in, pser_inf->offlimit); |
| 763 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_HANDFLOW %x %x %x %x\n", |
| 764 |
pser_inf->control, pser_inf->xonoff, pser_inf->onlimit, |
| 765 |
pser_inf->onlimit)); |
| 766 |
set_termios(pser_inf, handle); |
| 767 |
break; |
| 768 |
case SERIAL_SET_TIMEOUTS: |
| 769 |
in_uint32(in, pser_inf->read_interval_timeout); |
| 770 |
in_uint32(in, pser_inf->read_total_timeout_multiplier); |
| 771 |
in_uint32(in, pser_inf->read_total_timeout_constant); |
| 772 |
in_uint32(in, pser_inf->write_total_timeout_multiplier); |
| 773 |
in_uint32(in, pser_inf->write_total_timeout_constant); |
| 774 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_TIMEOUTS read timeout %d %d %d\n", |
| 775 |
pser_inf->read_interval_timeout, |
| 776 |
pser_inf->read_total_timeout_multiplier, |
| 777 |
pser_inf->read_total_timeout_constant)); |
| 778 |
break; |
| 779 |
case SERIAL_GET_TIMEOUTS: |
| 780 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_TIMEOUTS read timeout %d %d %d\n", |
| 781 |
pser_inf->read_interval_timeout, |
| 782 |
pser_inf->read_total_timeout_multiplier, |
| 783 |
pser_inf->read_total_timeout_constant)); |
| 784 |
|
| 785 |
out_uint32(out, pser_inf->read_interval_timeout); |
| 786 |
out_uint32(out, pser_inf->read_total_timeout_multiplier); |
| 787 |
out_uint32(out, pser_inf->read_total_timeout_constant); |
| 788 |
out_uint32(out, pser_inf->write_total_timeout_multiplier); |
| 789 |
out_uint32(out, pser_inf->write_total_timeout_constant); |
| 790 |
break; |
| 791 |
case SERIAL_GET_WAIT_MASK: |
| 792 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_WAIT_MASK %X\n", pser_inf->wait_mask); |
| 793 |
out_uint32(out, pser_inf->wait_mask)); |
| 794 |
break; |
| 795 |
case SERIAL_SET_WAIT_MASK: |
| 796 |
in_uint32(in, pser_inf->wait_mask); |
| 797 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_WAIT_MASK %X\n", pser_inf->wait_mask)); |
| 798 |
break; |
| 799 |
case SERIAL_SET_DTR: |
| 800 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_DTR\n")); |
| 801 |
ioctl(handle, TIOCMGET, &result); |
| 802 |
result |= TIOCM_DTR; |
| 803 |
ioctl(handle, TIOCMSET, &result); |
| 804 |
pser_inf->dtr = 1; |
| 805 |
break; |
| 806 |
case SERIAL_CLR_DTR: |
| 807 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_CLR_DTR\n")); |
| 808 |
ioctl(handle, TIOCMGET, &result); |
| 809 |
result &= ~TIOCM_DTR; |
| 810 |
ioctl(handle, TIOCMSET, &result); |
| 811 |
pser_inf->dtr = 0; |
| 812 |
break; |
| 813 |
case SERIAL_SET_RTS: |
| 814 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_RTS\n")); |
| 815 |
ioctl(handle, TIOCMGET, &result); |
| 816 |
result |= TIOCM_RTS; |
| 817 |
ioctl(handle, TIOCMSET, &result); |
| 818 |
pser_inf->rts = 1; |
| 819 |
break; |
| 820 |
case SERIAL_CLR_RTS: |
| 821 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_CLR_RTS\n")); |
| 822 |
ioctl(handle, TIOCMGET, &result); |
| 823 |
result &= ~TIOCM_RTS; |
| 824 |
ioctl(handle, TIOCMSET, &result); |
| 825 |
pser_inf->rts = 0; |
| 826 |
break; |
| 827 |
case SERIAL_GET_MODEMSTATUS: |
| 828 |
modemstate = 0; |
| 829 |
#ifdef TIOCMGET |
| 830 |
ioctl(handle, TIOCMGET, &result); |
| 831 |
if (result & TIOCM_CTS) |
| 832 |
modemstate |= SERIAL_MS_CTS; |
| 833 |
if (result & TIOCM_DSR) |
| 834 |
modemstate |= SERIAL_MS_DSR; |
| 835 |
if (result & TIOCM_RNG) |
| 836 |
modemstate |= SERIAL_MS_RNG; |
| 837 |
if (result & TIOCM_CAR) |
| 838 |
modemstate |= SERIAL_MS_CAR; |
| 839 |
if (result & TIOCM_DTR) |
| 840 |
modemstate |= SERIAL_MS_DTR; |
| 841 |
if (result & TIOCM_RTS) |
| 842 |
modemstate |= SERIAL_MS_RTS; |
| 843 |
#endif |
| 844 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_MODEMSTATUS %X\n", modemstate)); |
| 845 |
out_uint32_le(out, modemstate); |
| 846 |
break; |
| 847 |
case SERIAL_GET_COMMSTATUS: |
| 848 |
out_uint32_le(out, 0); /* Errors */ |
| 849 |
out_uint32_le(out, 0); /* Hold reasons */ |
| 850 |
|
| 851 |
result = 0; |
| 852 |
ioctl(handle, TIOCINQ, &result); |
| 853 |
out_uint32_le(out, result); /* Amount in in queue */ |
| 854 |
if (result) |
| 855 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_COMMSTATUS in queue %d\n", result)); |
| 856 |
|
| 857 |
result = 0; |
| 858 |
ioctl(handle, TIOCOUTQ, &result); |
| 859 |
out_uint32_le(out, result); /* Amount in out queue */ |
| 860 |
if (result) |
| 861 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_COMMSTATUS out queue %d\n", result)); |
| 862 |
|
| 863 |
out_uint8(out, 0); /* EofReceived */ |
| 864 |
out_uint8(out, 0); /* WaitForImmediate */ |
| 865 |
break; |
| 866 |
case SERIAL_PURGE: |
| 867 |
in_uint32(in, purge_mask); |
| 868 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_PURGE purge_mask %X\n", purge_mask)); |
| 869 |
flush_mask = 0; |
| 870 |
if (purge_mask & SERIAL_PURGE_TXCLEAR) |
| 871 |
flush_mask |= TCOFLUSH; |
| 872 |
if (purge_mask & SERIAL_PURGE_RXCLEAR) |
| 873 |
flush_mask |= TCIFLUSH; |
| 874 |
if (flush_mask != 0) |
| 875 |
tcflush(handle, flush_mask); |
| 876 |
if (purge_mask & SERIAL_PURGE_TXABORT) |
| 877 |
rdpdr_abort_io(handle, 4, STATUS_CANCELLED); |
| 878 |
if (purge_mask & SERIAL_PURGE_RXABORT) |
| 879 |
rdpdr_abort_io(handle, 3, STATUS_CANCELLED); |
| 880 |
break; |
| 881 |
case SERIAL_WAIT_ON_MASK: |
| 882 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_WAIT_ON_MASK %X\n", pser_inf->wait_mask)); |
| 883 |
pser_inf->event_pending = 1; |
| 884 |
if (serial_get_event(handle, &result)) |
| 885 |
{ |
| 886 |
DEBUG_SERIAL(("WAIT end event = %x\n", result)); |
| 887 |
out_uint32_le(out, result); |
| 888 |
break; |
| 889 |
} |
| 890 |
return STATUS_PENDING; |
| 891 |
break; |
| 892 |
case SERIAL_SET_BREAK_ON: |
| 893 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_BREAK_ON\n")); |
| 894 |
tcsendbreak(handle, 0); |
| 895 |
break; |
| 896 |
case SERIAL_RESET_DEVICE: |
| 897 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_RESET_DEVICE\n")); |
| 898 |
break; |
| 899 |
case SERIAL_SET_BREAK_OFF: |
| 900 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_BREAK_OFF\n")); |
| 901 |
break; |
| 902 |
case SERIAL_SET_XOFF: |
| 903 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_XOFF\n")); |
| 904 |
break; |
| 905 |
case SERIAL_SET_XON: |
| 906 |
DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_XON\n")); |
| 907 |
tcflow(handle, TCION); |
| 908 |
break; |
| 909 |
default: |
| 910 |
unimpl("SERIAL IOCTL %d\n", request); |
| 911 |
return STATUS_INVALID_PARAMETER; |
| 912 |
} |
| 913 |
|
| 914 |
return STATUS_SUCCESS; |
| 915 |
} |
| 916 |
|
| 917 |
BOOL |
| 918 |
serial_get_event(NTHANDLE handle, uint32 * result) |
| 919 |
{ |
| 920 |
int index; |
| 921 |
SERIAL_DEVICE *pser_inf; |
| 922 |
int bytes; |
| 923 |
BOOL ret = False; |
| 924 |
|
| 925 |
*result = 0; |
| 926 |
index = get_device_index(handle); |
| 927 |
if (index < 0) |
| 928 |
return False; |
| 929 |
|
| 930 |
pser_inf = (SERIAL_DEVICE *) g_rdpdr_device[index].pdevice_data; |
| 931 |
|
| 932 |
|
| 933 |
ioctl(handle, TIOCINQ, &bytes); |
| 934 |
|
| 935 |
if (bytes > 0) |
| 936 |
{ |
| 937 |
DEBUG_SERIAL(("serial_get_event Bytes %d\n", bytes)); |
| 938 |
if (bytes > pser_inf->event_rlsd) |
| 939 |
{ |
| 940 |
pser_inf->event_rlsd = bytes; |
| 941 |
if (pser_inf->wait_mask & SERIAL_EV_RLSD) |
| 942 |
{ |
| 943 |
DEBUG_SERIAL(("Event -> SERIAL_EV_RLSD \n")); |
| 944 |
*result |= SERIAL_EV_RLSD; |
| 945 |
ret = True; |
| 946 |
} |
| 947 |
|
| 948 |
} |
| 949 |
|
| 950 |
if ((bytes > 1) && (pser_inf->wait_mask & SERIAL_EV_RXFLAG)) |
| 951 |
{ |
| 952 |
DEBUG_SERIAL(("Event -> SERIAL_EV_RXFLAG Bytes %d\n", bytes)); |
| 953 |
*result |= SERIAL_EV_RXFLAG; |
| 954 |
ret = True; |
| 955 |
} |
| 956 |
if ((pser_inf->wait_mask & SERIAL_EV_RXCHAR)) |
| 957 |
{ |
| 958 |
DEBUG_SERIAL(("Event -> SERIAL_EV_RXCHAR Bytes %d\n", bytes)); |
| 959 |
*result |= SERIAL_EV_RXCHAR; |
| 960 |
ret = True; |
| 961 |
} |
| 962 |
|
| 963 |
} |
| 964 |
else |
| 965 |
{ |
| 966 |
pser_inf->event_rlsd = 0; |
| 967 |
} |
| 968 |
|
| 969 |
|
| 970 |
ioctl(handle, TIOCOUTQ, &bytes); |
| 971 |
if ((bytes == 0) |
| 972 |
&& (pser_inf->event_txempty > 0) && (pser_inf->wait_mask & SERIAL_EV_TXEMPTY)) |
| 973 |
{ |
| 974 |
|
| 975 |
DEBUG_SERIAL(("Event -> SERIAL_EV_TXEMPTY\n")); |
| 976 |
*result |= SERIAL_EV_TXEMPTY; |
| 977 |
ret = True; |
| 978 |
} |
| 979 |
pser_inf->event_txempty = bytes; |
| 980 |
|
| 981 |
|
| 982 |
ioctl(handle, TIOCMGET, &bytes); |
| 983 |
if ((bytes & TIOCM_DSR) != pser_inf->event_dsr) |
| 984 |
{ |
| 985 |
pser_inf->event_dsr = bytes & TIOCM_DSR; |
| 986 |
if (pser_inf->wait_mask & SERIAL_EV_DSR) |
| 987 |
{ |
| 988 |
DEBUG_SERIAL(("event -> SERIAL_EV_DSR %s\n", (bytes & TIOCM_DSR) ? "ON" : "OFF")); |
| 989 |
*result |= SERIAL_EV_DSR; |
| 990 |
ret = True; |
| 991 |
} |
| 992 |
} |
| 993 |
|
| 994 |
if ((bytes & TIOCM_CTS) != pser_inf->event_cts) |
| 995 |
{ |
| 996 |
pser_inf->event_cts = bytes & TIOCM_CTS; |
| 997 |
if (pser_inf->wait_mask & SERIAL_EV_CTS) |
| 998 |
{ |
| 999 |
DEBUG_SERIAL((" EVENT-> SERIAL_EV_CTS %s\n", (bytes & TIOCM_CTS) ? "ON" : "OFF")); |
| 1000 |
*result |= SERIAL_EV_CTS; |
| 1001 |
ret = True; |
| 1002 |
} |
| 1003 |
} |
| 1004 |
|
| 1005 |
if (ret) |
| 1006 |
pser_inf->event_pending = 0; |
| 1007 |
|
| 1008 |
return ret; |
| 1009 |
} |
| 1010 |
|
| 1011 |
/* Read timeout for a given file descripter (device) when adding fd's to select() */ |
| 1012 |
BOOL |
| 1013 |
serial_get_timeout(NTHANDLE handle, uint32 length, uint32 * timeout, uint32 * itv_timeout) |
| 1014 |
{ |
| 1015 |
int index; |
| 1016 |
SERIAL_DEVICE *pser_inf; |
| 1017 |
|
| 1018 |
index = get_device_index(handle); |
| 1019 |
if (index < 0) |
| 1020 |
return True; |
| 1021 |
|
| 1022 |
if (g_rdpdr_device[index].device_type != DEVICE_TYPE_SERIAL) |
| 1023 |
{ |
| 1024 |
return False; |
| 1025 |
} |
| 1026 |
|
| 1027 |
pser_inf = (SERIAL_DEVICE *) g_rdpdr_device[index].pdevice_data; |
| 1028 |
|
| 1029 |
*timeout = |
| 1030 |
pser_inf->read_total_timeout_multiplier * length + |
| 1031 |
pser_inf->read_total_timeout_constant; |
| 1032 |
*itv_timeout = pser_inf->read_interval_timeout; |
| 1033 |
return True; |
| 1034 |
} |
| 1035 |
|
| 1036 |
DEVICE_FNS serial_fns = { |
| 1037 |
serial_create, |
| 1038 |
serial_close, |
| 1039 |
serial_read, |
| 1040 |
serial_write, |
| 1041 |
serial_device_control |
| 1042 |
}; |
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