#include "tclInt.h"
#include "tclPort.h"
#undef NL0
#undef NL1
#undef CR0
#undef CR1
#undef CR2
#undef CR3
#undef TAB0
#undef TAB1
#undef TAB2
#undef XTABS
#undef BS0
#undef BS1
#undef FF0
#undef FF1
#undef ECHO
#undef NOFLSH
#undef TOSTOP
#undef FLUSHO
#undef PENDIN
#define SUPPORTS_TTY
#ifdef USE_TERMIOS
# include <termios.h>
# ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
# endif
# ifdef HAVE_SYS_MODEM_H
# include <sys/modem.h>
# endif
# define IOSTATE struct termios
# define GETIOSTATE(fd, statePtr) tcgetattr((fd), (statePtr))
# define SETIOSTATE(fd, statePtr) tcsetattr((fd), TCSADRAIN, (statePtr))
# define GETCONTROL(fd, intPtr) ioctl((fd), TIOCMGET, (intPtr))
# define SETCONTROL(fd, intPtr) ioctl((fd), TIOCMSET, (intPtr))
# define BAD_TIP35_FLUSH 0
# if BAD_TIP35_FLUSH
# define TTYFLUSH(fd) tcflush((fd), TCIOFLUSH);
# else
# define TTYFLUSH(fd)
# endif
# ifdef FIONREAD
# define GETREADQUEUE(fd, int) ioctl((fd), FIONREAD, &(int))
# elif defined(FIORDCHK)
# define GETREADQUEUE(fd, int) int = ioctl((fd), FIORDCHK, NULL)
# endif
# ifdef TIOCOUTQ
# define GETWRITEQUEUE(fd, int) ioctl((fd), TIOCOUTQ, &(int))
# endif
# if defined(TIOCSBRK) && defined(TIOCCBRK)
# define SETBREAK(fd, flag) \
if (flag) { \
ioctl((fd), TIOCSBRK, NULL); \
} else { \
ioctl((fd), TIOCCBRK, NULL); \
}
# endif
# if !defined(CRTSCTS) && defined(CNEW_RTSCTS)
# define CRTSCTS CNEW_RTSCTS
# endif
#else
#ifdef USE_TERMIO
# include <termio.h>
# define IOSTATE struct termio
# define GETIOSTATE(fd, statePtr) ioctl((fd), TCGETA, (statePtr))
# define SETIOSTATE(fd, statePtr) ioctl((fd), TCSETAW, (statePtr))
#else
#ifdef USE_SGTTY
# include <sgtty.h>
# define IOSTATE struct sgttyb
# define GETIOSTATE(fd, statePtr) ioctl((fd), TIOCGETP, (statePtr))
# define SETIOSTATE(fd, statePtr) ioctl((fd), TIOCSETP, (statePtr))
#else
# undef SUPPORTS_TTY
#endif
#endif
#endif
typedef struct FileState {
Tcl_Channel channel;
int fd;
int validMask;
#ifdef DEPRECATED
struct FileState *nextPtr;
#endif
} FileState;
#ifdef SUPPORTS_TTY
typedef struct TtyState {
FileState fs;
int stateUpdated;
IOSTATE savedState;
} TtyState;
typedef struct TtyAttrs {
int baud;
int parity;
int data;
int stop;
} TtyAttrs;
#endif
#define UNSUPPORTED_OPTION(detail) \
if (interp) { \
Tcl_AppendResult(interp, (detail), \
" not supported for this platform", (char *) NULL); \
}
#ifdef DEPRECATED
typedef struct ThreadSpecificData {
FileState *firstFilePtr;
} ThreadSpecificData;
static Tcl_ThreadDataKey dataKey;
#endif
typedef struct TcpState {
Tcl_Channel channel;
int fd;
int flags;
Tcl_TcpAcceptProc *acceptProc;
ClientData acceptProcData;
} TcpState;
#define TCP_ASYNC_SOCKET (1<<0)
#define TCP_ASYNC_CONNECT (1<<1)
#ifndef SOMAXCONN
# define SOMAXCONN 100
#endif
#if (SOMAXCONN < 100)
# undef SOMAXCONN
# define SOMAXCONN 100
#endif
#define SOCKET_BUFSIZE 4096
static TcpState * CreateSocket _ANSI_ARGS_((Tcl_Interp *interp,
int port, CONST char *host, int server,
CONST char *myaddr, int myport, int async));
static int CreateSocketAddress _ANSI_ARGS_(
(struct sockaddr_in *sockaddrPtr,
CONST char *host, int port));
static int FileBlockModeProc _ANSI_ARGS_((
ClientData instanceData, int mode));
static int FileCloseProc _ANSI_ARGS_((ClientData instanceData,
Tcl_Interp *interp));
static int FileGetHandleProc _ANSI_ARGS_((ClientData instanceData,
int direction, ClientData *handlePtr));
static int FileInputProc _ANSI_ARGS_((ClientData instanceData,
char *buf, int toRead, int *errorCode));
static int FileOutputProc _ANSI_ARGS_((
ClientData instanceData, CONST char *buf,
int toWrite, int *errorCode));
static int FileSeekProc _ANSI_ARGS_((ClientData instanceData,
long offset, int mode, int *errorCode));
static Tcl_WideInt FileWideSeekProc _ANSI_ARGS_((ClientData instanceData,
Tcl_WideInt offset, int mode, int *errorCode));
static void FileWatchProc _ANSI_ARGS_((ClientData instanceData,
int mask));
static void TcpAccept _ANSI_ARGS_((ClientData data, int mask));
static int TcpBlockModeProc _ANSI_ARGS_((ClientData data,
int mode));
static int TcpCloseProc _ANSI_ARGS_((ClientData instanceData,
Tcl_Interp *interp));
static int TcpGetHandleProc _ANSI_ARGS_((ClientData instanceData,
int direction, ClientData *handlePtr));
static int TcpGetOptionProc _ANSI_ARGS_((ClientData instanceData,
Tcl_Interp *interp, CONST char *optionName,
Tcl_DString *dsPtr));
static int TcpInputProc _ANSI_ARGS_((ClientData instanceData,
char *buf, int toRead, int *errorCode));
static int TcpOutputProc _ANSI_ARGS_((ClientData instanceData,
CONST char *buf, int toWrite, int *errorCode));
static void TcpWatchProc _ANSI_ARGS_((ClientData instanceData,
int mask));
#ifdef SUPPORTS_TTY
static int TtyCloseProc _ANSI_ARGS_((ClientData instanceData,
Tcl_Interp *interp));
static void TtyGetAttributes _ANSI_ARGS_((int fd,
TtyAttrs *ttyPtr));
static int TtyGetOptionProc _ANSI_ARGS_((ClientData instanceData,
Tcl_Interp *interp, CONST char *optionName,
Tcl_DString *dsPtr));
static FileState * TtyInit _ANSI_ARGS_((int fd, int initialize));
#if BAD_TIP35_FLUSH
static int TtyOutputProc _ANSI_ARGS_((ClientData instanceData,
CONST char *buf, int toWrite, int *errorCode));
#endif
static int TtyParseMode _ANSI_ARGS_((Tcl_Interp *interp,
CONST char *mode, int *speedPtr, int *parityPtr,
int *dataPtr, int *stopPtr));
static void TtySetAttributes _ANSI_ARGS_((int fd,
TtyAttrs *ttyPtr));
static int TtySetOptionProc _ANSI_ARGS_((ClientData instanceData,
Tcl_Interp *interp, CONST char *optionName,
CONST char *value));
#endif
static int WaitForConnect _ANSI_ARGS_((TcpState *statePtr,
int *errorCodePtr));
static Tcl_ChannelType fileChannelType = {
"file",
TCL_CHANNEL_VERSION_3,
FileCloseProc,
FileInputProc,
FileOutputProc,
FileSeekProc,
NULL,
NULL,
FileWatchProc,
FileGetHandleProc,
NULL,
FileBlockModeProc,
NULL,
NULL,
FileWideSeekProc,
};
#ifdef SUPPORTS_TTY
static Tcl_ChannelType ttyChannelType = {
"tty",
TCL_CHANNEL_VERSION_2,
TtyCloseProc,
FileInputProc,
#if BAD_TIP35_FLUSH
TtyOutputProc,
#else
FileOutputProc,
#endif
NULL,
TtySetOptionProc,
TtyGetOptionProc,
FileWatchProc,
FileGetHandleProc,
NULL,
FileBlockModeProc,
NULL,
NULL,
};
#endif
static Tcl_ChannelType tcpChannelType = {
"tcp",
TCL_CHANNEL_VERSION_2,
TcpCloseProc,
TcpInputProc,
TcpOutputProc,
NULL,
NULL,
TcpGetOptionProc,
TcpWatchProc,
TcpGetHandleProc,
NULL,
TcpBlockModeProc,
NULL,
NULL,
};
static int
FileBlockModeProc(instanceData, mode)
ClientData instanceData;
int mode;
{
FileState *fsPtr = (FileState *) instanceData;
int curStatus;
#ifndef USE_FIONBIO
curStatus = fcntl(fsPtr->fd, F_GETFL);
if (mode == TCL_MODE_BLOCKING) {
curStatus &= (~(O_NONBLOCK));
} else {
curStatus |= O_NONBLOCK;
}
if (fcntl(fsPtr->fd, F_SETFL, curStatus) < 0) {
return errno;
}
curStatus = fcntl(fsPtr->fd, F_GETFL);
#else
if (mode == TCL_MODE_BLOCKING) {
curStatus = 0;
} else {
curStatus = 1;
}
if (ioctl(fsPtr->fd, (int) FIONBIO, &curStatus) < 0) {
return errno;
}
#endif
return 0;
}
static int
FileInputProc(instanceData, buf, toRead, errorCodePtr)
ClientData instanceData;
char *buf;
int toRead;
int *errorCodePtr;
{
FileState *fsPtr = (FileState *) instanceData;
int bytesRead;
*errorCodePtr = 0;
bytesRead = read(fsPtr->fd, buf, (size_t) toRead);
if (bytesRead > -1) {
return bytesRead;
}
*errorCodePtr = errno;
return -1;
}
static int
FileOutputProc(instanceData, buf, toWrite, errorCodePtr)
ClientData instanceData;
CONST char *buf;
int toWrite;
int *errorCodePtr;
{
FileState *fsPtr = (FileState *) instanceData;
int written;
*errorCodePtr = 0;
if (toWrite == 0) {
return 0;
}
written = write(fsPtr->fd, buf, (size_t) toWrite);
if (written > -1) {
return written;
}
*errorCodePtr = errno;
return -1;
}
static int
FileCloseProc(instanceData, interp)
ClientData instanceData;
Tcl_Interp *interp;
{
FileState *fsPtr = (FileState *) instanceData;
int errorCode = 0;
#ifdef DEPRECATED
FileState **nextPtrPtr;
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
#endif
Tcl_DeleteFileHandler(fsPtr->fd);
if (!TclInExit()
|| ((fsPtr->fd != 0) && (fsPtr->fd != 1) && (fsPtr->fd != 2))) {
if (close(fsPtr->fd) < 0) {
errorCode = errno;
}
}
#ifdef DEPRECATED
for (nextPtrPtr = &(tsdPtr->firstFilePtr); (*nextPtrPtr) != NULL;
nextPtrPtr = &((*nextPtrPtr)->nextPtr)) {
if ((*nextPtrPtr) == fsPtr) {
(*nextPtrPtr) = fsPtr->nextPtr;
break;
}
}
#endif
ckfree((char *) fsPtr);
return errorCode;
}
static int
FileSeekProc(instanceData, offset, mode, errorCodePtr)
ClientData instanceData;
long offset;
int mode;
int *errorCodePtr;
{
FileState *fsPtr = (FileState *) instanceData;
Tcl_WideInt oldLoc, newLoc;
oldLoc = TclOSseek(fsPtr->fd, (Tcl_SeekOffset) 0, SEEK_CUR);
if (oldLoc == Tcl_LongAsWide(-1)) {
*errorCodePtr = errno;
return -1;
}
newLoc = TclOSseek(fsPtr->fd, (Tcl_SeekOffset) offset, mode);
if (newLoc > Tcl_LongAsWide(INT_MAX)) {
*errorCodePtr = EOVERFLOW;
TclOSseek(fsPtr->fd, (Tcl_SeekOffset) oldLoc, SEEK_SET);
return -1;
} else {
*errorCodePtr = (newLoc == Tcl_LongAsWide(-1)) ? errno : 0;
}
return (int) Tcl_WideAsLong(newLoc);
}
static Tcl_WideInt
FileWideSeekProc(instanceData, offset, mode, errorCodePtr)
ClientData instanceData;
Tcl_WideInt offset;
int mode;
int *errorCodePtr;
{
FileState *fsPtr = (FileState *) instanceData;
Tcl_WideInt newLoc;
newLoc = TclOSseek(fsPtr->fd, (Tcl_SeekOffset) offset, mode);
*errorCodePtr = (newLoc == -1) ? errno : 0;
return newLoc;
}
static void
FileWatchProc(instanceData, mask)
ClientData instanceData;
int mask;
{
FileState *fsPtr = (FileState *) instanceData;
mask &= fsPtr->validMask;
if (mask) {
Tcl_CreateFileHandler(fsPtr->fd, mask,
(Tcl_FileProc *) Tcl_NotifyChannel,
(ClientData) fsPtr->channel);
} else {
Tcl_DeleteFileHandler(fsPtr->fd);
}
}
static int
FileGetHandleProc(instanceData, direction, handlePtr)
ClientData instanceData;
int direction;
ClientData *handlePtr;
{
FileState *fsPtr = (FileState *) instanceData;
if (direction & fsPtr->validMask) {
*handlePtr = (ClientData) fsPtr->fd;
return TCL_OK;
} else {
return TCL_ERROR;
}
}
#ifdef SUPPORTS_TTY
static int
TtyCloseProc(instanceData, interp)
ClientData instanceData;
Tcl_Interp *interp;
{
#if BAD_TIP35_FLUSH
TtyState *ttyPtr = (TtyState *) instanceData;
#endif
#ifdef TTYFLUSH
TTYFLUSH(ttyPtr->fs.fd);
#endif
#if 0
if (ttyPtr->stateUpdated) {
SETIOSTATE(ttyPtr->fs.fd, &ttyPtr->savedState);
}
#endif
return FileCloseProc(instanceData, interp);
}
#if BAD_TIP35_FLUSH
static int
TtyOutputProc(instanceData, buf, toWrite, errorCodePtr)
ClientData instanceData;
CONST char *buf;
int toWrite;
int *errorCodePtr;
{
if (TclInExit()) {
return toWrite;
} else {
return FileOutputProc(instanceData, buf, toWrite, errorCodePtr);
}
}
#endif
#ifdef USE_TERMIOS
static void
TtyModemStatusStr(status, dsPtr)
int status;
Tcl_DString *dsPtr;
{
#ifdef TIOCM_CTS
Tcl_DStringAppendElement(dsPtr, "CTS");
Tcl_DStringAppendElement(dsPtr, (status & TIOCM_CTS) ? "1" : "0");
#endif
#ifdef TIOCM_DSR
Tcl_DStringAppendElement(dsPtr, "DSR");
Tcl_DStringAppendElement(dsPtr, (status & TIOCM_DSR) ? "1" : "0");
#endif
#ifdef TIOCM_RNG
Tcl_DStringAppendElement(dsPtr, "RING");
Tcl_DStringAppendElement(dsPtr, (status & TIOCM_RNG) ? "1" : "0");
#endif
#ifdef TIOCM_CD
Tcl_DStringAppendElement(dsPtr, "DCD");
Tcl_DStringAppendElement(dsPtr, (status & TIOCM_CD) ? "1" : "0");
#endif
}
#endif
static int
TtySetOptionProc(instanceData, interp, optionName, value)
ClientData instanceData;
Tcl_Interp *interp;
CONST char *optionName;
CONST char *value;
{
FileState *fsPtr = (FileState *) instanceData;
unsigned int len, vlen;
TtyAttrs tty;
#ifdef USE_TERMIOS
int flag, control, argc;
CONST char **argv;
IOSTATE iostate;
#endif
len = strlen(optionName);
vlen = strlen(value);
if ((len > 2) && (strncmp(optionName, "-mode", len) == 0)) {
if (TtyParseMode(interp, value, &tty.baud, &tty.parity, &tty.data,
&tty.stop) != TCL_OK) {
return TCL_ERROR;
}
TtySetAttributes(fsPtr->fd, &tty);
((TtyState *) fsPtr)->stateUpdated = 1;
return TCL_OK;
}
#ifdef USE_TERMIOS
if ((len > 1) && (strncmp(optionName, "-handshake", len) == 0)) {
GETIOSTATE(fsPtr->fd, &iostate);
iostate.c_iflag &= ~(IXON | IXOFF | IXANY);
#ifdef CRTSCTS
iostate.c_cflag &= ~CRTSCTS;
#endif
if (strncasecmp(value, "NONE", vlen) == 0) {
} else if (strncasecmp(value, "XONXOFF", vlen) == 0) {
iostate.c_iflag |= (IXON | IXOFF | IXANY);
} else if (strncasecmp(value, "RTSCTS", vlen) == 0) {
#ifdef CRTSCTS
iostate.c_cflag |= CRTSCTS;
#else
UNSUPPORTED_OPTION("-handshake RTSCTS");
return TCL_ERROR;
#endif
} else if (strncasecmp(value, "DTRDSR", vlen) == 0) {
UNSUPPORTED_OPTION("-handshake DTRDSR");
return TCL_ERROR;
} else {
if (interp) {
Tcl_AppendResult(interp, "bad value for -handshake: ",
"must be one of xonxoff, rtscts, dtrdsr or none",
(char *) NULL);
}
return TCL_ERROR;
}
SETIOSTATE(fsPtr->fd, &iostate);
return TCL_OK;
}
if ((len > 1) && (strncmp(optionName, "-xchar", len) == 0)) {
GETIOSTATE(fsPtr->fd, &iostate);
if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) {
return TCL_ERROR;
}
if (argc == 2) {
iostate.c_cc[VSTART] = argv[0][0];
iostate.c_cc[VSTOP] = argv[1][0];
} else {
if (interp) {
Tcl_AppendResult(interp,
"bad value for -xchar: should be a list of two elements",
(char *) NULL);
}
return TCL_ERROR;
}
SETIOSTATE(fsPtr->fd, &iostate);
return TCL_OK;
}
if ((len > 2) && (strncmp(optionName, "-timeout", len) == 0)) {
int msec;
GETIOSTATE(fsPtr->fd, &iostate);
if (Tcl_GetInt(interp, value, &msec) != TCL_OK) {
return TCL_ERROR;
}
iostate.c_cc[VMIN] = 0;
iostate.c_cc[VTIME] = (msec == 0) ? 0 : (msec < 100) ? 1 : (msec+50)/100;
SETIOSTATE(fsPtr->fd, &iostate);
return TCL_OK;
}
if ((len > 4) && (strncmp(optionName, "-ttycontrol", len) == 0)) {
if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) {
return TCL_ERROR;
}
if ((argc % 2) == 1) {
if (interp) {
Tcl_AppendResult(interp,
"bad value for -ttycontrol: should be a list of",
"signal,value pairs", (char *) NULL);
}
return TCL_ERROR;
}
GETCONTROL(fsPtr->fd, &control);
while (argc > 1) {
if (Tcl_GetBoolean(interp, argv[1], &flag) == TCL_ERROR) {
return TCL_ERROR;
}
if (strncasecmp(argv[0], "DTR", strlen(argv[0])) == 0) {
#ifdef TIOCM_DTR
if (flag) {
control |= TIOCM_DTR;
} else {
control &= ~TIOCM_DTR;
}
#else
UNSUPPORTED_OPTION("-ttycontrol DTR");
return TCL_ERROR;
#endif
} else if (strncasecmp(argv[0], "RTS", strlen(argv[0])) == 0) {
#ifdef TIOCM_RTS
if (flag) {
control |= TIOCM_RTS;
} else {
control &= ~TIOCM_RTS;
}
#else
UNSUPPORTED_OPTION("-ttycontrol RTS");
return TCL_ERROR;
#endif
} else if (strncasecmp(argv[0], "BREAK", strlen(argv[0])) == 0) {
#ifdef SETBREAK
SETBREAK(fsPtr->fd, flag);
#else
UNSUPPORTED_OPTION("-ttycontrol BREAK");
return TCL_ERROR;
#endif
} else {
if (interp) {
Tcl_AppendResult(interp,
"bad signal for -ttycontrol: must be ",
"DTR, RTS or BREAK", (char *) NULL);
}
return TCL_ERROR;
}
argc -= 2, argv += 2;
}
SETCONTROL(fsPtr->fd, &control);
return TCL_OK;
}
return Tcl_BadChannelOption(interp, optionName,
"mode handshake timeout ttycontrol xchar ");
#else
return Tcl_BadChannelOption(interp, optionName, "mode");
#endif
}
static int
TtyGetOptionProc(instanceData, interp, optionName, dsPtr)
ClientData instanceData;
Tcl_Interp *interp;
CONST char *optionName;
Tcl_DString *dsPtr;
{
FileState *fsPtr = (FileState *) instanceData;
unsigned int len;
char buf[3 * TCL_INTEGER_SPACE + 16];
TtyAttrs tty;
int valid = 0;
if (optionName == NULL) {
len = 0;
} else {
len = strlen(optionName);
}
if (len == 0) {
Tcl_DStringAppendElement(dsPtr, "-mode");
}
if (len==0 || (len>2 && strncmp(optionName, "-mode", len)==0)) {
valid = 1;
TtyGetAttributes(fsPtr->fd, &tty);
sprintf(buf, "%d,%c,%d,%d", tty.baud, tty.parity, tty.data, tty.stop);
Tcl_DStringAppendElement(dsPtr, buf);
}
#ifdef USE_TERMIOS
if (len == 0) {
Tcl_DStringAppendElement(dsPtr, "-xchar");
Tcl_DStringStartSublist(dsPtr);
}
if (len==0 || (len>1 && strncmp(optionName, "-xchar", len)==0)) {
IOSTATE iostate;
valid = 1;
GETIOSTATE(fsPtr->fd, &iostate);
sprintf(buf, "%c", iostate.c_cc[VSTART]);
Tcl_DStringAppendElement(dsPtr, buf);
sprintf(buf, "%c", iostate.c_cc[VSTOP]);
Tcl_DStringAppendElement(dsPtr, buf);
}
if (len == 0) {
Tcl_DStringEndSublist(dsPtr);
}
if ((len > 1) && (strncmp(optionName, "-queue", len) == 0)) {
int inQueue=0, outQueue=0;
int inBuffered, outBuffered;
valid = 1;
#ifdef GETREADQUEUE
GETREADQUEUE(fsPtr->fd, inQueue);
#endif
#ifdef GETWRITEQUEUE
GETWRITEQUEUE(fsPtr->fd, outQueue);
#endif
inBuffered = Tcl_InputBuffered(fsPtr->channel);
outBuffered = Tcl_OutputBuffered(fsPtr->channel);
sprintf(buf, "%d", inBuffered+inQueue);
Tcl_DStringAppendElement(dsPtr, buf);
sprintf(buf, "%d", outBuffered+outQueue);
Tcl_DStringAppendElement(dsPtr, buf);
}
if ((len > 4) && (strncmp(optionName, "-ttystatus", len) == 0)) {
int status;
valid = 1;
GETCONTROL(fsPtr->fd, &status);
TtyModemStatusStr(status, dsPtr);
}
#endif
if (valid) {
return TCL_OK;
} else {
return Tcl_BadChannelOption(interp, optionName,
#ifdef USE_TERMIOS
"mode queue ttystatus xchar");
#else
"mode");
#endif
}
}
#undef DIRECT_BAUD
#ifdef B4800
# if (B4800 == 4800)
# define DIRECT_BAUD
# endif
#endif
#ifdef DIRECT_BAUD
# define TtyGetSpeed(baud) ((unsigned) (baud))
# define TtyGetBaud(speed) ((int) (speed))
#else
static struct {int baud; unsigned long speed;} speeds[] = {
#ifdef B0
{0, B0},
#endif
#ifdef B50
{50, B50},
#endif
#ifdef B75
{75, B75},
#endif
#ifdef B110
{110, B110},
#endif
#ifdef B134
{134, B134},
#endif
#ifdef B150
{150, B150},
#endif
#ifdef B200
{200, B200},
#endif
#ifdef B300
{300, B300},
#endif
#ifdef B600
{600, B600},
#endif
#ifdef B1200
{1200, B1200},
#endif
#ifdef B1800
{1800, B1800},
#endif
#ifdef B2400
{2400, B2400},
#endif
#ifdef B4800
{4800, B4800},
#endif
#ifdef B9600
{9600, B9600},
#endif
#ifdef B14400
{14400, B14400},
#endif
#ifdef B19200
{19200, B19200},
#endif
#ifdef EXTA
{19200, EXTA},
#endif
#ifdef B28800
{28800, B28800},
#endif
#ifdef B38400
{38400, B38400},
#endif
#ifdef EXTB
{38400, EXTB},
#endif
#ifdef B57600
{57600, B57600},
#endif
#ifdef _B57600
{57600, _B57600},
#endif
#ifdef B76800
{76800, B76800},
#endif
#ifdef B115200
{115200, B115200},
#endif
#ifdef _B115200
{115200, _B115200},
#endif
#ifdef B153600
{153600, B153600},
#endif
#ifdef B230400
{230400, B230400},
#endif
#ifdef B307200
{307200, B307200},
#endif
#ifdef B460800
{460800, B460800},
#endif
{-1, 0}
};
static unsigned long
TtyGetSpeed(baud)
int baud;
{
int bestIdx, bestDiff, i, diff;
bestIdx = 0;
bestDiff = 1000000;
for (i = 0; speeds[i].baud >= 0; i++) {
diff = speeds[i].baud - baud;
if (diff < 0) {
diff = -diff;
}
if (diff < bestDiff) {
bestIdx = i;
bestDiff = diff;
}
}
return speeds[bestIdx].speed;
}
static int
TtyGetBaud(speed)
unsigned long speed;
{
int i;
for (i = 0; speeds[i].baud >= 0; i++) {
if (speeds[i].speed == speed) {
return speeds[i].baud;
}
}
return 0;
}
#endif
static void
TtyGetAttributes(fd, ttyPtr)
int fd;
TtyAttrs *ttyPtr;
{
IOSTATE iostate;
int baud, parity, data, stop;
GETIOSTATE(fd, &iostate);
#ifdef USE_TERMIOS
baud = TtyGetBaud(cfgetospeed(&iostate));
parity = 'n';
#ifdef PAREXT
switch ((int) (iostate.c_cflag & (PARENB | PARODD | PAREXT))) {
case PARENB : parity = 'e'; break;
case PARENB | PARODD : parity = 'o'; break;
case PARENB | PAREXT : parity = 's'; break;
case PARENB | PARODD | PAREXT : parity = 'm'; break;
}
#else
switch ((int) (iostate.c_cflag & (PARENB | PARODD))) {
case PARENB : parity = 'e'; break;
case PARENB | PARODD : parity = 'o'; break;
}
#endif
data = iostate.c_cflag & CSIZE;
data = (data == CS5) ? 5 : (data == CS6) ? 6 : (data == CS7) ? 7 : 8;
stop = (iostate.c_cflag & CSTOPB) ? 2 : 1;
#endif
#ifdef USE_TERMIO
baud = TtyGetBaud(iostate.c_cflag & CBAUD);
parity = 'n';
switch (iostate.c_cflag & (PARENB | PARODD | PAREXT)) {
case PARENB : parity = 'e'; break;
case PARENB | PARODD : parity = 'o'; break;
case PARENB | PAREXT : parity = 's'; break;
case PARENB | PARODD | PAREXT : parity = 'm'; break;
}
data = iostate.c_cflag & CSIZE;
data = (data == CS5) ? 5 : (data == CS6) ? 6 : (data == CS7) ? 7 : 8;
stop = (iostate.c_cflag & CSTOPB) ? 2 : 1;
#endif
#ifdef USE_SGTTY
baud = TtyGetBaud(iostate.sg_ospeed);
parity = 'n';
if (iostate.sg_flags & EVENP) {
parity = 'e';
} else if (iostate.sg_flags & ODDP) {
parity = 'o';
}
data = (iostate.sg_flags & (EVENP | ODDP)) ? 7 : 8;
stop = 1;
#endif
ttyPtr->baud = baud;
ttyPtr->parity = parity;
ttyPtr->data = data;
ttyPtr->stop = stop;
}
static void
TtySetAttributes(fd, ttyPtr)
int fd;
TtyAttrs *ttyPtr;
{
IOSTATE iostate;
#ifdef USE_TERMIOS
int parity, data, flag;
GETIOSTATE(fd, &iostate);
cfsetospeed(&iostate, TtyGetSpeed(ttyPtr->baud));
cfsetispeed(&iostate, TtyGetSpeed(ttyPtr->baud));
flag = 0;
parity = ttyPtr->parity;
if (parity != 'n') {
flag |= PARENB;
#ifdef PAREXT
iostate.c_cflag &= ~PAREXT;
if ((parity == 'm') || (parity == 's')) {
flag |= PAREXT;
}
#endif
if ((parity == 'm') || (parity == 'o')) {
flag |= PARODD;
}
}
data = ttyPtr->data;
flag |= (data == 5) ? CS5 : (data == 6) ? CS6 : (data == 7) ? CS7 : CS8;
if (ttyPtr->stop == 2) {
flag |= CSTOPB;
}
iostate.c_cflag &= ~(PARENB | PARODD | CSIZE | CSTOPB);
iostate.c_cflag |= flag;
#endif
#ifdef USE_TERMIO
int parity, data, flag;
GETIOSTATE(fd, &iostate);
iostate.c_cflag &= ~CBAUD;
iostate.c_cflag |= TtyGetSpeed(ttyPtr->baud);
flag = 0;
parity = ttyPtr->parity;
if (parity != 'n') {
flag |= PARENB;
if ((parity == 'm') || (parity == 's')) {
flag |= PAREXT;
}
if ((parity == 'm') || (parity == 'o')) {
flag |= PARODD;
}
}
data = ttyPtr->data;
flag |= (data == 5) ? CS5 : (data == 6) ? CS6 : (data == 7) ? CS7 : CS8;
if (ttyPtr->stop == 2) {
flag |= CSTOPB;
}
iostate.c_cflag &= ~(PARENB | PARODD | PAREXT | CSIZE | CSTOPB);
iostate.c_cflag |= flag;
#endif
#ifdef USE_SGTTY
int parity;
GETIOSTATE(fd, &iostate);
iostate.sg_ospeed = TtyGetSpeed(ttyPtr->baud);
iostate.sg_ispeed = TtyGetSpeed(ttyPtr->baud);
parity = ttyPtr->parity;
if (parity == 'e') {
iostate.sg_flags &= ~ODDP;
iostate.sg_flags |= EVENP;
} else if (parity == 'o') {
iostate.sg_flags &= ~EVENP;
iostate.sg_flags |= ODDP;
}
#endif
SETIOSTATE(fd, &iostate);
}
static int
TtyParseMode(interp, mode, speedPtr, parityPtr, dataPtr, stopPtr)
Tcl_Interp *interp;
CONST char *mode;
int *speedPtr;
int *parityPtr;
int *dataPtr;
int *stopPtr;
{
int i, end;
char parity;
static char *bad = "bad value for -mode";
i = sscanf(mode, "%d,%c,%d,%d%n", speedPtr, &parity, dataPtr,
stopPtr, &end);
if ((i != 4) || (mode[end] != '\0')) {
if (interp != NULL) {
Tcl_AppendResult(interp, bad, ": should be baud,parity,data,stop",
NULL);
}
return TCL_ERROR;
}
if (
#if defined(PAREXT) || defined(USE_TERMIO)
strchr("noems", parity) == NULL
#else
strchr("noe", parity) == NULL
#endif
) {
if (interp != NULL) {
Tcl_AppendResult(interp, bad,
#if defined(PAREXT) || defined(USE_TERMIO)
" parity: should be n, o, e, m, or s",
#else
" parity: should be n, o, or e",
#endif
NULL);
}
return TCL_ERROR;
}
*parityPtr = parity;
if ((*dataPtr < 5) || (*dataPtr > 8)) {
if (interp != NULL) {
Tcl_AppendResult(interp, bad, " data: should be 5, 6, 7, or 8",
NULL);
}
return TCL_ERROR;
}
if ((*stopPtr < 0) || (*stopPtr > 2)) {
if (interp != NULL) {
Tcl_AppendResult(interp, bad, " stop: should be 1 or 2", NULL);
}
return TCL_ERROR;
}
return TCL_OK;
}
static FileState *
TtyInit(fd, initialize)
int fd;
int initialize;
{
TtyState *ttyPtr;
ttyPtr = (TtyState *) ckalloc((unsigned) sizeof(TtyState));
GETIOSTATE(fd, &ttyPtr->savedState);
ttyPtr->stateUpdated = 0;
if (initialize) {
IOSTATE iostate = ttyPtr->savedState;
#if defined(USE_TERMIOS) || defined(USE_TERMIO)
if (iostate.c_iflag != IGNBRK ||
iostate.c_oflag != 0 ||
iostate.c_lflag != 0 ||
iostate.c_cflag & CREAD ||
iostate.c_cc[VMIN] != 1 ||
iostate.c_cc[VTIME] != 0) {
ttyPtr->stateUpdated = 1;
}
iostate.c_iflag = IGNBRK;
iostate.c_oflag = 0;
iostate.c_lflag = 0;
iostate.c_cflag |= CREAD;
iostate.c_cc[VMIN] = 1;
iostate.c_cc[VTIME] = 0;
#endif
#ifdef USE_SGTTY
if ((iostate.sg_flags & (EVENP | ODDP)) ||
!(iostate.sg_flags & RAW)) {
ttyPtr->stateUpdated = 1;
}
iostate.sg_flags &= (EVENP | ODDP);
iostate.sg_flags |= RAW;
#endif
if (ttyPtr->stateUpdated) {
SETIOSTATE(fd, &iostate);
}
}
return &ttyPtr->fs;
}
#endif
Tcl_Channel
TclpOpenFileChannel(interp, pathPtr, mode, permissions)
Tcl_Interp *interp;
Tcl_Obj *pathPtr;
int mode;
int permissions;
{
int fd, channelPermissions;
FileState *fsPtr;
CONST char *native, *translation;
char channelName[16 + TCL_INTEGER_SPACE];
Tcl_ChannelType *channelTypePtr;
#ifdef SUPPORTS_TTY
int ctl_tty;
#endif
#ifdef DEPRECATED
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
#endif
switch (mode & (O_RDONLY | O_WRONLY | O_RDWR)) {
case O_RDONLY:
channelPermissions = TCL_READABLE;
break;
case O_WRONLY:
channelPermissions = TCL_WRITABLE;
break;
case O_RDWR:
channelPermissions = (TCL_READABLE | TCL_WRITABLE);
break;
default:
panic("TclpOpenFileChannel: invalid mode value");
return NULL;
}
native = Tcl_FSGetNativePath(pathPtr);
if (native == NULL) {
return NULL;
}
fd = TclOSopen(native, mode, permissions);
#ifdef SUPPORTS_TTY
ctl_tty = (strcmp (native, "/dev/tty") == 0);
#endif
if (fd < 0) {
if (interp != (Tcl_Interp *) NULL) {
Tcl_AppendResult(interp, "couldn't open \"",
Tcl_GetString(pathPtr), "\": ",
Tcl_PosixError(interp), (char *) NULL);
}
return NULL;
}
fcntl(fd, F_SETFD, FD_CLOEXEC);
sprintf(channelName, "file%d", fd);
#ifdef SUPPORTS_TTY
if (!ctl_tty && isatty(fd)) {
translation = "auto crlf";
channelTypePtr = &ttyChannelType;
fsPtr = TtyInit(fd, 1);
} else
#endif
{
translation = NULL;
channelTypePtr = &fileChannelType;
fsPtr = (FileState *) ckalloc((unsigned) sizeof(FileState));
}
#ifdef DEPRECATED
fsPtr->nextPtr = tsdPtr->firstFilePtr;
tsdPtr->firstFilePtr = fsPtr;
#endif
fsPtr->validMask = channelPermissions | TCL_EXCEPTION;
fsPtr->fd = fd;
fsPtr->channel = Tcl_CreateChannel(channelTypePtr, channelName,
(ClientData) fsPtr, channelPermissions);
if (translation != NULL) {
if (Tcl_SetChannelOption(interp, fsPtr->channel, "-translation",
translation) != TCL_OK) {
Tcl_Close(NULL, fsPtr->channel);
return NULL;
}
}
return fsPtr->channel;
}
Tcl_Channel
Tcl_MakeFileChannel(handle, mode)
ClientData handle;
int mode;
{
FileState *fsPtr;
char channelName[16 + TCL_INTEGER_SPACE];
int fd = (int) handle;
Tcl_ChannelType *channelTypePtr;
#ifdef DEPRECATED
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
#endif
int socketType = 0;
socklen_t argLength = sizeof(int);
if (mode == 0) {
return NULL;
}
#ifdef DEPRECATED
for (fsPtr = tsdPtr->firstFilePtr; fsPtr != NULL; fsPtr = fsPtr->nextPtr) {
if (fsPtr->fd == fd) {
return ((mode|TCL_EXCEPTION) == fsPtr->validMask) ?
fsPtr->channel : NULL;
}
}
#endif
#ifdef SUPPORTS_TTY
if (isatty(fd)) {
fsPtr = TtyInit(fd, 0);
channelTypePtr = &ttyChannelType;
sprintf(channelName, "serial%d", fd);
} else
#endif
if (getsockopt(fd, SOL_SOCKET, SO_TYPE, (VOID *)&socketType,
&argLength) == 0 && socketType == SOCK_STREAM) {
return Tcl_MakeTcpClientChannel((ClientData) fd);
} else {
channelTypePtr = &fileChannelType;
fsPtr = (FileState *) ckalloc((unsigned) sizeof(FileState));
sprintf(channelName, "file%d", fd);
}
#ifdef DEPRECATED
fsPtr->nextPtr = tsdPtr->firstFilePtr;
tsdPtr->firstFilePtr = fsPtr;
#endif
fsPtr->fd = fd;
fsPtr->validMask = mode | TCL_EXCEPTION;
fsPtr->channel = Tcl_CreateChannel(channelTypePtr, channelName,
(ClientData) fsPtr, mode);
return fsPtr->channel;
}
static int
TcpBlockModeProc(instanceData, mode)
ClientData instanceData;
int mode;
{
TcpState *statePtr = (TcpState *) instanceData;
int setting;
#ifndef USE_FIONBIO
setting = fcntl(statePtr->fd, F_GETFL);
if (mode == TCL_MODE_BLOCKING) {
statePtr->flags &= (~(TCP_ASYNC_SOCKET));
setting &= (~(O_NONBLOCK));
} else {
statePtr->flags |= TCP_ASYNC_SOCKET;
setting |= O_NONBLOCK;
}
if (fcntl(statePtr->fd, F_SETFL, setting) < 0) {
return errno;
}
#else
if (mode == TCL_MODE_BLOCKING) {
statePtr->flags &= (~(TCP_ASYNC_SOCKET));
setting = 0;
if (ioctl(statePtr->fd, (int) FIONBIO, &setting) == -1) {
return errno;
}
} else {
statePtr->flags |= TCP_ASYNC_SOCKET;
setting = 1;
if (ioctl(statePtr->fd, (int) FIONBIO, &setting) == -1) {
return errno;
}
}
#endif
return 0;
}
static int
WaitForConnect(statePtr, errorCodePtr)
TcpState *statePtr;
int *errorCodePtr;
{
int timeOut;
int state;
int flags;
if (statePtr->flags & TCP_ASYNC_CONNECT) {
if (statePtr->flags & TCP_ASYNC_SOCKET) {
timeOut = 0;
} else {
timeOut = -1;
}
errno = 0;
state = TclUnixWaitForFile(statePtr->fd,
TCL_WRITABLE | TCL_EXCEPTION, timeOut);
if (!(statePtr->flags & TCP_ASYNC_SOCKET)) {
#ifndef USE_FIONBIO
flags = fcntl(statePtr->fd, F_GETFL);
flags &= (~(O_NONBLOCK));
(void) fcntl(statePtr->fd, F_SETFL, flags);
#else
flags = 0;
(void) ioctl(statePtr->fd, FIONBIO, &flags);
#endif
}
if (state & TCL_EXCEPTION) {
return -1;
}
if (state & TCL_WRITABLE) {
statePtr->flags &= (~(TCP_ASYNC_CONNECT));
} else if (timeOut == 0) {
*errorCodePtr = errno = EWOULDBLOCK;
return -1;
}
}
return 0;
}
static int
TcpInputProc(instanceData, buf, bufSize, errorCodePtr)
ClientData instanceData;
char *buf;
int bufSize;
int *errorCodePtr;
{
TcpState *statePtr = (TcpState *) instanceData;
int bytesRead, state;
*errorCodePtr = 0;
state = WaitForConnect(statePtr, errorCodePtr);
if (state != 0) {
return -1;
}
bytesRead = recv(statePtr->fd, buf, (size_t) bufSize, 0);
if (bytesRead > -1) {
return bytesRead;
}
if (errno == ECONNRESET) {
return 0;
}
*errorCodePtr = errno;
return -1;
}
static int
TcpOutputProc(instanceData, buf, toWrite, errorCodePtr)
ClientData instanceData;
CONST char *buf;
int toWrite;
int *errorCodePtr;
{
TcpState *statePtr = (TcpState *) instanceData;
int written;
int state;
*errorCodePtr = 0;
state = WaitForConnect(statePtr, errorCodePtr);
if (state != 0) {
return -1;
}
written = send(statePtr->fd, buf, (size_t) toWrite, 0);
if (written > -1) {
return written;
}
*errorCodePtr = errno;
return -1;
}
static int
TcpCloseProc(instanceData, interp)
ClientData instanceData;
Tcl_Interp *interp;
{
TcpState *statePtr = (TcpState *) instanceData;
int errorCode = 0;
Tcl_DeleteFileHandler(statePtr->fd);
if (close(statePtr->fd) < 0) {
errorCode = errno;
}
ckfree((char *) statePtr);
return errorCode;
}
static int
TcpGetOptionProc(instanceData, interp, optionName, dsPtr)
ClientData instanceData;
Tcl_Interp *interp;
CONST char *optionName;
Tcl_DString *dsPtr;
{
TcpState *statePtr = (TcpState *) instanceData;
struct sockaddr_in sockname;
struct sockaddr_in peername;
struct hostent *hostEntPtr;
socklen_t size = sizeof(struct sockaddr_in);
size_t len = 0;
char buf[TCL_INTEGER_SPACE];
if (optionName != (char *) NULL) {
len = strlen(optionName);
}
if ((len > 1) && (optionName[1] == 'e') &&
(strncmp(optionName, "-error", len) == 0)) {
socklen_t optlen = sizeof(int);
int err, ret;
ret = getsockopt(statePtr->fd, SOL_SOCKET, SO_ERROR,
(char *)&err, &optlen);
if (ret < 0) {
err = errno;
}
if (err != 0) {
Tcl_DStringAppend(dsPtr, Tcl_ErrnoMsg(err), -1);
}
return TCL_OK;
}
if ((len == 0) ||
((len > 1) && (optionName[1] == 'p') &&
(strncmp(optionName, "-peername", len) == 0))) {
if (getpeername(statePtr->fd, (struct sockaddr *) &peername,
&size) >= 0) {
if (len == 0) {
Tcl_DStringAppendElement(dsPtr, "-peername");
Tcl_DStringStartSublist(dsPtr);
}
Tcl_DStringAppendElement(dsPtr, inet_ntoa(peername.sin_addr));
hostEntPtr = gethostbyaddr(
(char *) &peername.sin_addr,
sizeof(peername.sin_addr), AF_INET);
if (hostEntPtr != NULL) {
Tcl_DString ds;
Tcl_ExternalToUtfDString(NULL, hostEntPtr->h_name, -1, &ds);
Tcl_DStringAppendElement(dsPtr, Tcl_DStringValue(&ds));
} else {
Tcl_DStringAppendElement(dsPtr, inet_ntoa(peername.sin_addr));
}
TclFormatInt(buf, ntohs(peername.sin_port));
Tcl_DStringAppendElement(dsPtr, buf);
if (len == 0) {
Tcl_DStringEndSublist(dsPtr);
} else {
return TCL_OK;
}
} else {
if (len) {
if (interp) {
Tcl_AppendResult(interp, "can't get peername: ",
Tcl_PosixError(interp), (char *) NULL);
}
return TCL_ERROR;
}
}
}
if ((len == 0) ||
((len > 1) && (optionName[1] == 's') &&
(strncmp(optionName, "-sockname", len) == 0))) {
if (getsockname(statePtr->fd, (struct sockaddr *) &sockname,
&size) >= 0) {
if (len == 0) {
Tcl_DStringAppendElement(dsPtr, "-sockname");
Tcl_DStringStartSublist(dsPtr);
}
Tcl_DStringAppendElement(dsPtr, inet_ntoa(sockname.sin_addr));
hostEntPtr = gethostbyaddr(
(char *) &sockname.sin_addr,
sizeof(sockname.sin_addr), AF_INET);
if (hostEntPtr != (struct hostent *) NULL) {
Tcl_DString ds;
Tcl_ExternalToUtfDString(NULL, hostEntPtr->h_name, -1, &ds);
Tcl_DStringAppendElement(dsPtr, Tcl_DStringValue(&ds));
} else {
Tcl_DStringAppendElement(dsPtr, inet_ntoa(sockname.sin_addr));
}
TclFormatInt(buf, ntohs(sockname.sin_port));
Tcl_DStringAppendElement(dsPtr, buf);
if (len == 0) {
Tcl_DStringEndSublist(dsPtr);
} else {
return TCL_OK;
}
} else {
if (interp) {
Tcl_AppendResult(interp, "can't get sockname: ",
Tcl_PosixError(interp), (char *) NULL);
}
return TCL_ERROR;
}
}
if (len > 0) {
return Tcl_BadChannelOption(interp, optionName, "peername sockname");
}
return TCL_OK;
}
static void
TcpWatchProc(instanceData, mask)
ClientData instanceData;
int mask;
{
TcpState *statePtr = (TcpState *) instanceData;
if (!statePtr->acceptProc) {
if (mask) {
Tcl_CreateFileHandler(statePtr->fd, mask,
(Tcl_FileProc *) Tcl_NotifyChannel,
(ClientData) statePtr->channel);
} else {
Tcl_DeleteFileHandler(statePtr->fd);
}
}
}
static int
TcpGetHandleProc(instanceData, direction, handlePtr)
ClientData instanceData;
int direction;
ClientData *handlePtr;
{
TcpState *statePtr = (TcpState *) instanceData;
*handlePtr = (ClientData)statePtr->fd;
return TCL_OK;
}
static TcpState *
CreateSocket(interp, port, host, server, myaddr, myport, async)
Tcl_Interp *interp;
int port;
CONST char *host;
int server;
CONST char *myaddr;
int myport;
int async;
{
int status, sock, asyncConnect, curState, origState;
struct sockaddr_in sockaddr;
struct sockaddr_in mysockaddr;
TcpState *statePtr;
sock = -1;
origState = 0;
if (! CreateSocketAddress(&sockaddr, host, port)) {
goto addressError;
}
if ((myaddr != NULL || myport != 0) &&
! CreateSocketAddress(&mysockaddr, myaddr, myport)) {
goto addressError;
}
sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock < 0) {
goto addressError;
}
fcntl(sock, F_SETFD, FD_CLOEXEC);
TclSockMinimumBuffers(sock, SOCKET_BUFSIZE);
asyncConnect = 0;
status = 0;
if (server) {
status = 1;
(void) setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char *) &status,
sizeof(status));
status = bind(sock, (struct sockaddr *) &sockaddr,
sizeof(struct sockaddr));
if (status != -1) {
status = listen(sock, SOMAXCONN);
}
} else {
if (myaddr != NULL || myport != 0) {
curState = 1;
(void) setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
(char *) &curState, sizeof(curState));
status = bind(sock, (struct sockaddr *) &mysockaddr,
sizeof(struct sockaddr));
if (status < 0) {
goto bindError;
}
}
if (async) {
#ifndef USE_FIONBIO
origState = fcntl(sock, F_GETFL);
curState = origState | O_NONBLOCK;
status = fcntl(sock, F_SETFL, curState);
#else
curState = 1;
status = ioctl(sock, FIONBIO, &curState);
#endif
} else {
status = 0;
}
if (status > -1) {
status = connect(sock, (struct sockaddr *) &sockaddr,
sizeof(sockaddr));
if (status < 0) {
if (errno == EINPROGRESS) {
asyncConnect = 1;
status = 0;
}
} else {
if (async) {
#ifndef USE_FIONBIO
origState = fcntl(sock, F_GETFL);
curState = origState & ~(O_NONBLOCK);
status = fcntl(sock, F_SETFL, curState);
#else
curState = 0;
status = ioctl(sock, FIONBIO, &curState);
#endif
}
}
}
}
bindError:
if (status < 0) {
if (interp != NULL) {
Tcl_AppendResult(interp, "couldn't open socket: ",
Tcl_PosixError(interp), (char *) NULL);
}
if (sock != -1) {
close(sock);
}
return NULL;
}
statePtr = (TcpState *) ckalloc((unsigned) sizeof(TcpState));
statePtr->flags = 0;
if (asyncConnect) {
statePtr->flags = TCP_ASYNC_CONNECT;
}
statePtr->fd = sock;
return statePtr;
addressError:
if (sock != -1) {
close(sock);
}
if (interp != NULL) {
Tcl_AppendResult(interp, "couldn't open socket: ",
Tcl_PosixError(interp), (char *) NULL);
}
return NULL;
}
static int
CreateSocketAddress(sockaddrPtr, host, port)
struct sockaddr_in *sockaddrPtr;
CONST char *host;
int port;
{
struct hostent *hostent;
struct in_addr addr;
(void) memset((VOID *) sockaddrPtr, '\0', sizeof(struct sockaddr_in));
sockaddrPtr->sin_family = AF_INET;
sockaddrPtr->sin_port = htons((unsigned short) (port & 0xFFFF));
if (host == NULL) {
addr.s_addr = INADDR_ANY;
} else {
Tcl_DString ds;
CONST char *native;
if (host == NULL) {
native = NULL;
} else {
native = Tcl_UtfToExternalDString(NULL, host, -1, &ds);
}
addr.s_addr = inet_addr(native);
if (addr.s_addr == 0xFFFFFFFF) {
hostent = gethostbyname(native);
if (hostent != NULL) {
memcpy((VOID *) &addr,
(VOID *) hostent->h_addr_list[0],
(size_t) hostent->h_length);
} else {
#ifdef EHOSTUNREACH
errno = EHOSTUNREACH;
#else
#ifdef ENXIO
errno = ENXIO;
#endif
#endif
if (native != NULL) {
Tcl_DStringFree(&ds);
}
return 0;
}
}
if (native != NULL) {
Tcl_DStringFree(&ds);
}
}
sockaddrPtr->sin_addr.s_addr = addr.s_addr;
return 1;
}
Tcl_Channel
Tcl_OpenTcpClient(interp, port, host, myaddr, myport, async)
Tcl_Interp *interp;
int port;
CONST char *host;
CONST char *myaddr;
int myport;
int async;
{
TcpState *statePtr;
char channelName[16 + TCL_INTEGER_SPACE];
statePtr = CreateSocket(interp, port, host, 0, myaddr, myport, async);
if (statePtr == NULL) {
return NULL;
}
statePtr->acceptProc = NULL;
statePtr->acceptProcData = (ClientData) NULL;
sprintf(channelName, "sock%d", statePtr->fd);
statePtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
(ClientData) statePtr, (TCL_READABLE | TCL_WRITABLE));
if (Tcl_SetChannelOption(interp, statePtr->channel, "-translation",
"auto crlf") == TCL_ERROR) {
Tcl_Close((Tcl_Interp *) NULL, statePtr->channel);
return NULL;
}
return statePtr->channel;
}
Tcl_Channel
Tcl_MakeTcpClientChannel(sock)
ClientData sock;
{
TcpState *statePtr;
char channelName[16 + TCL_INTEGER_SPACE];
statePtr = (TcpState *) ckalloc((unsigned) sizeof(TcpState));
statePtr->fd = (int) sock;
statePtr->flags = 0;
statePtr->acceptProc = NULL;
statePtr->acceptProcData = (ClientData) NULL;
sprintf(channelName, "sock%d", statePtr->fd);
statePtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
(ClientData) statePtr, (TCL_READABLE | TCL_WRITABLE));
if (Tcl_SetChannelOption((Tcl_Interp *) NULL, statePtr->channel,
"-translation", "auto crlf") == TCL_ERROR) {
Tcl_Close((Tcl_Interp *) NULL, statePtr->channel);
return NULL;
}
return statePtr->channel;
}
Tcl_Channel
Tcl_OpenTcpServer(interp, port, myHost, acceptProc, acceptProcData)
Tcl_Interp *interp;
int port;
CONST char *myHost;
Tcl_TcpAcceptProc *acceptProc;
ClientData acceptProcData;
{
TcpState *statePtr;
char channelName[16 + TCL_INTEGER_SPACE];
statePtr = CreateSocket(interp, port, myHost, 1, NULL, 0, 0);
if (statePtr == NULL) {
return NULL;
}
statePtr->acceptProc = acceptProc;
statePtr->acceptProcData = acceptProcData;
Tcl_CreateFileHandler(statePtr->fd, TCL_READABLE, TcpAccept,
(ClientData) statePtr);
sprintf(channelName, "sock%d", statePtr->fd);
statePtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
(ClientData) statePtr, 0);
return statePtr->channel;
}
static void
TcpAccept(data, mask)
ClientData data;
int mask;
{
TcpState *sockState;
int newsock;
TcpState *newSockState;
struct sockaddr_in addr;
socklen_t len;
char channelName[16 + TCL_INTEGER_SPACE];
sockState = (TcpState *) data;
len = sizeof(struct sockaddr_in);
newsock = accept(sockState->fd, (struct sockaddr *) &addr, &len);
if (newsock < 0) {
return;
}
(void) fcntl(newsock, F_SETFD, FD_CLOEXEC);
newSockState = (TcpState *) ckalloc((unsigned) sizeof(TcpState));
newSockState->flags = 0;
newSockState->fd = newsock;
newSockState->acceptProc = NULL;
newSockState->acceptProcData = NULL;
sprintf(channelName, "sock%d", newsock);
newSockState->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
(ClientData) newSockState, (TCL_READABLE | TCL_WRITABLE));
Tcl_SetChannelOption(NULL, newSockState->channel, "-translation",
"auto crlf");
if (sockState->acceptProc != NULL) {
(*sockState->acceptProc)(sockState->acceptProcData,
newSockState->channel, inet_ntoa(addr.sin_addr),
ntohs(addr.sin_port));
}
}
Tcl_Channel
TclpGetDefaultStdChannel(type)
int type;
{
Tcl_Channel channel = NULL;
int fd = 0;
int mode = 0;
char *bufMode = NULL;
#define ZERO_OFFSET ((Tcl_SeekOffset) 0)
#define ERROR_OFFSET ((Tcl_SeekOffset) -1)
switch (type) {
case TCL_STDIN:
if ((TclOSseek(0, ZERO_OFFSET, SEEK_CUR) == ERROR_OFFSET)
&& (errno == EBADF)) {
return (Tcl_Channel) NULL;
}
fd = 0;
mode = TCL_READABLE;
bufMode = "line";
break;
case TCL_STDOUT:
if ((TclOSseek(1, ZERO_OFFSET, SEEK_CUR) == ERROR_OFFSET)
&& (errno == EBADF)) {
return (Tcl_Channel) NULL;
}
fd = 1;
mode = TCL_WRITABLE;
bufMode = "line";
break;
case TCL_STDERR:
if ((TclOSseek(2, ZERO_OFFSET, SEEK_CUR) == ERROR_OFFSET)
&& (errno == EBADF)) {
return (Tcl_Channel) NULL;
}
fd = 2;
mode = TCL_WRITABLE;
bufMode = "none";
break;
default:
panic("TclGetDefaultStdChannel: Unexpected channel type");
break;
}
#undef ZERO_OFFSET
#undef ERROR_OFFSET
channel = Tcl_MakeFileChannel((ClientData) fd, mode);
if (channel == NULL) {
return NULL;
}
if (Tcl_GetChannelType(channel) == &fileChannelType) {
Tcl_SetChannelOption(NULL, channel, "-translation", "auto");
} else {
Tcl_SetChannelOption(NULL, channel, "-translation", "auto crlf");
}
Tcl_SetChannelOption(NULL, channel, "-buffering", bufMode);
return channel;
}
int
Tcl_GetOpenFile(interp, string, forWriting, checkUsage, filePtr)
Tcl_Interp *interp;
CONST char *string;
int forWriting;
int checkUsage;
ClientData *filePtr;
{
Tcl_Channel chan;
int chanMode;
Tcl_ChannelType *chanTypePtr;
ClientData data;
int fd;
FILE *f;
chan = Tcl_GetChannel(interp, string, &chanMode);
if (chan == (Tcl_Channel) NULL) {
return TCL_ERROR;
}
if ((forWriting) && ((chanMode & TCL_WRITABLE) == 0)) {
Tcl_AppendResult(interp,
"\"", string, "\" wasn't opened for writing", (char *) NULL);
return TCL_ERROR;
} else if ((!(forWriting)) && ((chanMode & TCL_READABLE) == 0)) {
Tcl_AppendResult(interp,
"\"", string, "\" wasn't opened for reading", (char *) NULL);
return TCL_ERROR;
}
chanTypePtr = Tcl_GetChannelType(chan);
if ((chanTypePtr == &fileChannelType)
#ifdef SUPPORTS_TTY
|| (chanTypePtr == &ttyChannelType)
#endif
|| (chanTypePtr == &tcpChannelType)
|| (strcmp(chanTypePtr->typeName, "pipe") == 0)) {
if (Tcl_GetChannelHandle(chan,
(forWriting ? TCL_WRITABLE : TCL_READABLE),
(ClientData*) &data) == TCL_OK) {
fd = (int) data;
f = fdopen(fd, (forWriting ? "w" : "r"));
if (f == NULL) {
Tcl_AppendResult(interp, "cannot get a FILE * for \"", string,
"\"", (char *) NULL);
return TCL_ERROR;
}
*filePtr = (ClientData) f;
return TCL_OK;
}
}
Tcl_AppendResult(interp, "\"", string,
"\" cannot be used to get a FILE *", (char *) NULL);
return TCL_ERROR;
}
int
TclUnixWaitForFile(fd, mask, timeout)
int fd;
int mask;
int timeout;
{
Tcl_Time abortTime, now;
struct timeval blockTime, *timeoutPtr;
int index, bit, numFound, result = 0;
fd_mask readyMasks[3*MASK_SIZE];
if (timeout > 0) {
Tcl_GetTime(&now);
abortTime.sec = now.sec + timeout/1000;
abortTime.usec = now.usec + (timeout%1000)*1000;
if (abortTime.usec >= 1000000) {
abortTime.usec -= 1000000;
abortTime.sec += 1;
}
timeoutPtr = &blockTime;
} else if (timeout == 0) {
timeoutPtr = &blockTime;
blockTime.tv_sec = 0;
blockTime.tv_usec = 0;
} else {
timeoutPtr = NULL;
}
if (fd >= FD_SETSIZE) {
panic("TclWaitForFile can't handle file id %d", fd);
}
memset((VOID *) readyMasks, 0, 3*MASK_SIZE*sizeof(fd_mask));
index = fd/(NBBY*sizeof(fd_mask));
bit = 1 << (fd%(NBBY*sizeof(fd_mask)));
while (1) {
if (timeout > 0) {
blockTime.tv_sec = abortTime.sec - now.sec;
blockTime.tv_usec = abortTime.usec - now.usec;
if (blockTime.tv_usec < 0) {
blockTime.tv_sec -= 1;
blockTime.tv_usec += 1000000;
}
if (blockTime.tv_sec < 0) {
blockTime.tv_sec = 0;
blockTime.tv_usec = 0;
}
}
if (mask & TCL_READABLE) {
readyMasks[index] |= bit;
}
if (mask & TCL_WRITABLE) {
(readyMasks+MASK_SIZE)[index] |= bit;
}
if (mask & TCL_EXCEPTION) {
(readyMasks+2*(MASK_SIZE))[index] |= bit;
}
numFound = select(fd+1, (SELECT_MASK *) &readyMasks[0],
(SELECT_MASK *) &readyMasks[MASK_SIZE],
(SELECT_MASK *) &readyMasks[2*MASK_SIZE], timeoutPtr);
if (numFound == 1) {
if (readyMasks[index] & bit) {
result |= TCL_READABLE;
}
if ((readyMasks+MASK_SIZE)[index] & bit) {
result |= TCL_WRITABLE;
}
if ((readyMasks+2*(MASK_SIZE))[index] & bit) {
result |= TCL_EXCEPTION;
}
result &= mask;
if (result) {
break;
}
}
if (timeout == 0) {
break;
}
Tcl_GetTime(&now);
if ((abortTime.sec < now.sec)
|| ((abortTime.sec == now.sec)
&& (abortTime.usec <= now.usec))) {
break;
}
}
return result;
}