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|
- --- a/dio_posix.c
- +++ b/dio_posix.c
- @@ -1,659 +1,659 @@
- -/*
- - +----------------------------------------------------------------------+
- - | PHP Version 5 |
- - +----------------------------------------------------------------------+
- - | Copyright (c) 2009 Melanie Rhianna Lewis |
- - +----------------------------------------------------------------------+
- - | This source file is subject to version 3.0 of the PHP license, |
- - | that is bundled with this package in the file LICENSE, and is |
- - | available through the world-wide-web at the following url: |
- - | http://www.php.net/license/3_0.txt. |
- - | If you did not receive a copy of the PHP license and are unable to |
- - | obtain it through the world-wide-web, please send a note to |
- - | license@php.net so we can mail you a copy immediately. |
- - +----------------------------------------------------------------------+
- - | Author: Melanie Rhianna Lewis <cyberspice@php.net> |
- - +----------------------------------------------------------------------+
- - */
- -
- -#ifdef HAVE_CONFIG_H
- -#include "config.h"
- -#endif
- -
- -#include "php.h"
- -
- -#include "php_dio_common.h"
- -
- -/* {{{ dio_stream_mode_to_flags
- - * Convert an fopen() mode string to open() flags
- - */
- -static int dio_stream_mode_to_flags(const char *mode) {
- - int flags = 0, ch = 0, bin = 1;
- -
- - switch(mode[ch++]) {
- - case 'r':
- - flags = 0;
- - break;
- - case 'w':
- - flags = O_TRUNC | O_CREAT;
- - break;
- - case 'a':
- - flags = O_APPEND | O_CREAT;
- - break;
- - case 'x':
- - flags = O_EXCL | O_CREAT;
- - break;
- - }
- -
- - if (mode[ch] != '+') {
- - bin = (mode[ch++] == 'b');
- - }
- -
- - if (mode[ch] == '+') {
- - flags |= O_RDWR;
- - } else if (flags) {
- - flags |= O_WRONLY;
- - } else {
- - flags |= O_RDONLY;
- - }
- -
- -#if defined(_O_TEXT) && defined(O_BINARY)
- - if (bin) {
- - flags |= O_BINARY;
- - } else {
- - flags |= _O_TEXT;
- - }
- -#endif
- -
- - return flags;
- -}
- -/* }}} */
- -
- -/* {{{ dio_data_rate_to_define
- - * Converts a numeric data rate to a termios define
- - */
- -static int dio_data_rate_to_define(long rate, speed_t *def) {
- - speed_t val;
- -
- - switch (rate) {
- - case 0:
- - val = 0;
- - break;
- - case 50:
- - val = B50;
- - break;
- - case 75:
- - val = B75;
- - break;
- - case 110:
- - val = B110;
- - break;
- - case 134:
- - val = B134;
- - break;
- - case 150:
- - val = B150;
- - break;
- - case 200:
- - val = B200;
- - break;
- - case 300:
- - val = B300;
- - break;
- - case 600:
- - val = B600;
- - break;
- - case 1200:
- - val = B1200;
- - break;
- - case 1800:
- - val = B1800;
- - break;
- - case 2400:
- - val = B2400;
- - break;
- - case 4800:
- - val = B4800;
- - break;
- - case 9600:
- - val = B9600;
- - break;
- - case 19200:
- - val = B19200;
- - break;
- - case 38400:
- - val = B38400;
- - break;
- -#ifdef B57600
- - case 57600:
- - val = B57600;
- - break;
- -#endif
- -#ifdef B115200
- - case 115200:
- - val = B115200;
- - break;
- -#endif
- -#ifdef B230400
- - case 230400:
- - val = B230400;
- - break;
- -#endif
- -#ifdef B460800
- - case 460800:
- - val = B460800;
- - break;
- -#endif
- - default:
- - return 0;
- - }
- -
- - *def = val;
- - return 1;
- -}
- -
- -/* {{{ dio_data_bits_to_define
- - * Converts a number of data bits to a termios define
- - */
- -static int dio_data_bits_to_define(int data_bits, int *def) {
- - int val;
- -
- - switch (data_bits) {
- - case 8:
- - val = CS8;
- - break;
- - case 7:
- - val = CS7;
- - break;
- - case 6:
- - val = CS6;
- - break;
- - case 5:
- - val = CS5;
- - break;
- - default:
- - return 0;
- - }
- -
- - *def = val;
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_stop_bits_to_define
- - * Converts a number of stop bits to a termios define
- - */
- -static int dio_stop_bits_to_define(int stop_bits, int *def) {
- - int val;
- -
- - switch (stop_bits) {
- - case 1:
- - val = 0;
- - break;
- - case 2:
- - val = CSTOPB;
- - break;
- - default:
- - return 0;
- - }
- -
- - *def = val;
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_parity_to_define
- - * Converts a parity type to a termios define
- - */
- -static int dio_parity_to_define(int parity, int *def) {
- - int val;
- -
- - switch (parity) {
- - case 0:
- - val = 0;
- - break;
- - case 1:
- - val = PARENB | PARODD;
- - break;
- - case 2:
- - val = PARENB;
- - break;
- - default:
- - return 0;
- - }
- -
- - *def = val;
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_create_stream_data
- - * Creates an initialised stream data structure. Free with efree().
- - */
- -php_dio_stream_data * dio_create_stream_data(void) {
- - php_dio_posix_stream_data * data = emalloc(sizeof(php_dio_posix_stream_data));
- - dio_init_stream_data(&(data->common));
- - data->fd = -1;
- - data->flags = 0;
- -
- - return (php_dio_stream_data *)data;
- -}
- -/* }}} */
- -
- -/* {{{ dio_common_write
- - * Writes count chars from the buffer to the stream described by the stream data.
- - */
- -size_t dio_common_write(php_dio_stream_data *data, const char *buf, size_t count) {
- - size_t ret;
- -
- - /* Blocking writes can be interrupted by signals etc. If
- - * interrupted try again. Not sure about non-blocking
- - * writes but it doesn't hurt to check. */
- - do {
- - ret = write(((php_dio_posix_stream_data*)data)->fd, buf, count);
- - if (ret > 0) {
- - return ret;
- - }
- - } while (errno == EINTR);
- - return 0;
- -}
- -/* }}} */
- -
- -#ifdef DIO_NONBLOCK
- -/* {{{ dio_timeval_subtract
- - * Calculates the difference between two timevals returning the result in the
- - * structure pointed to by diffptr. Returns -1 as error if late time is
- - * earlier than early time.
- - */
- -static int dio_timeval_subtract(struct timeval *late, struct timeval *early, struct timeval *diff) {
- - struct timeval *tmp;
- -
- - /* Handle negatives */
- - if (late->tv_sec < early->tv_sec) {
- - return 0;
- - }
- -
- - if ((late->tv_sec == early->tv_sec) && (late->tv_usec < early->tv_usec)) {
- - return 0;
- - }
- -
- - /* Handle any carry. If later usec is smaller than earlier usec simple
- - * subtraction will result in negative value. Since usec has a maximum
- - * of one second by adding another second before the subtraction the
- - * result will always be positive. */
- - if (late->tv_usec < early->tv_usec) {
- - late->tv_usec += 1000000;
- - late->tv_sec--;
- - }
- -
- - /* Once adjusted can just subtract values. */
- - diff->tv_sec = late->tv_sec - early->tv_sec;
- - diff->tv_usec = late->tv_usec - early->tv_usec;
- -
- - return 1;
- -}
- -#endif
- -
- -/* {{{ dio_common_read
- - * Reads count chars to the buffer to the stream described by the stream data.
- - */
- -size_t dio_common_read(php_dio_stream_data *data, const char *buf, size_t count) {
- - int fd = ((php_dio_posix_stream_data*)data)->fd;
- - size_t ret, total = 0;
- - char *ptr = (char*)buf;
- -
- - struct timeval timeout, timeouttmp, before, after, diff;
- - fd_set rfds;
- -
- - if (!data->has_timeout) {
- - /* Blocking reads can be interrupted by signals etc. If
- - * interrupted try again. Not sure about non-blocking
- - * reads but it doesn't hurt to check. */
- - do {
- - ret = read(fd, (char*)ptr, count);
- - if (ret > 0) {
- - return ret;
- - } else if (!ret) {
- - data->end_of_file = 1;
- - }
- - } while ((errno == EINTR) && !data->end_of_file);
- - return 0;
- - }
- -#ifdef DIO_NONBLOCK
- - else {
- - /* Clear timed out flag */
- - data->timed_out = 0;
- -
- - /* The initial timeout value */
- - timeout.tv_sec = data->timeout_sec;
- - timeout.tv_usec = data->timeout_usec;
- -
- - do {
- - /* The semantics of select() are that you cannot guarantee
- - * that the timeval structure passed in has not been changed by
- - * the select call. So you keep a copy. */
- - timeouttmp = timeout;
- -
- - /* The time before we wait for data. */
- - (void) gettimeofday(&before, NULL);
- -
- - /* Wait for an event on our file descriptor. */
- - FD_ZERO(&rfds);
- - FD_SET(fd, &rfds);
- -
- - ret = select(fd + 1, &rfds, NULL, NULL, &timeouttmp);
- - /* An error. */
- - if ((ret < 0) && (errno != EINTR) && (errno != EAGAIN)) {
- - return 0;
- - }
- -
- - /* We have data to read. */
- - if ((ret > 0) && FD_ISSET(fd, &rfds)) {
- - ret = read(fd, ptr, count);
- - /* Another error */
- - if ((ret < 0) && (errno != EINTR) && (errno != EAGAIN)) {
- - return 0;
- - }
- -
- - if (ret > 0) {
- - /* Got data, add it to the buffer. */
- - ptr += ret;
- - total += ret;
- - count -= ret;
- - } else if (!ret) {
- - /* This should never happen since how can we have
- - * data to read at an end of file, but still
- - * just in case! */
- - data->end_of_file = 1;
- - break;
- - }
- - }
- -
- - /* If not timed out and not end of file and not all data read
- - * calculate how long it took us and loop if we still have time
- - * out time left. */
- - if (count) {
- - (void) gettimeofday(&after, NULL);
- -
- - /* Diff the timevals */
- - (void) dio_timeval_subtract(&after, &before, &diff);
- -
- - /* Now adjust the timeout. */
- - if (!dio_timeval_subtract(&timeout, &diff, &timeout)) {
- - /* If it errors we've run out of time. */
- - data->timed_out = 1;
- - break;
- - } else if (!timeout.tv_sec && !(timeout.tv_usec / 1000)) {
- - /* Check for rounding issues (millisecond accuracy) */
- - data->timed_out = 1;
- - break;
- - }
- - }
- - } while (count); /* Until time out or end of file or all data read. */
- -
- - return total;
- - }
- -#endif
- -}
- -/* }}} */
- -
- -/* {{{ php_dio_stream_data
- - * Closes the php_stream.
- - */
- -int dio_common_close(php_dio_stream_data *data) {
- - if (close(((php_dio_posix_stream_data*)data)->fd) < 0) {
- - return 0;
- - }
- -
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_common_set_option
- - * Sets/gets stream options
- - */
- -int dio_common_set_option(php_dio_stream_data *data, int option, int value, void *ptrparam) {
- - int fd = ((php_dio_posix_stream_data*)data)->fd;
- - int old_is_blocking;
- - int flags;
- -
- - switch (option) {
- -#ifdef DIO_NONBLOCK
- - case PHP_STREAM_OPTION_READ_TIMEOUT:
- - if (ptrparam) {
- - struct timeval *tv = (struct timeval*)ptrparam;
- -
- - flags = fcntl(fd, F_GETFL, 0);
- -
- - /* A timeout of zero seconds and zero microseconds disables
- - any existing timeout. */
- - if (tv->tv_sec || tv->tv_usec) {
- - data->timeout_sec = tv->tv_sec;
- - data->timeout_usec = tv->tv_usec;
- - data->has_timeout = -1;
- - (void) fcntl(fd, F_SETFL, flags & ~DIO_NONBLOCK);
- - } else {
- - data->timeout_sec = 0;
- - data->timeout_usec = 0;
- - data->has_timeout = 0;
- - data->timed_out = 0;
- - (void) fcntl(fd, F_SETFL, flags | DIO_NONBLOCK);
- - }
- -
- - return PHP_STREAM_OPTION_RETURN_OK;
- - } else {
- - return PHP_STREAM_OPTION_RETURN_ERR;
- - }
- -
- - case PHP_STREAM_OPTION_BLOCKING:
- - flags = fcntl(fd, F_GETFL, 0);
- - if (value) {
- - flags &= ~DIO_NONBLOCK;
- - } else {
- - flags |= DIO_NONBLOCK;
- - }
- - (void) fcntl(fd, F_SETFL, flags);
- -
- - old_is_blocking = data->is_blocking;
- - data->is_blocking = value;
- - return old_is_blocking ? PHP_STREAM_OPTION_RETURN_OK : PHP_STREAM_OPTION_RETURN_ERR;
- -#endif /* O_NONBLOCK */
- -
- - default:
- - break;
- - }
- -
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_raw_open_stream
- - * Opens the underlying stream.
- - */
- -int dio_raw_open_stream(char *filename, char *mode, php_dio_stream_data *data TSRMLS_DC) {
- - php_dio_posix_stream_data *pdata = (php_dio_posix_stream_data*)data;
- - pdata->flags = dio_stream_mode_to_flags(mode);
- -
- -#ifdef DIO_NONBLOCK
- - if (!data->is_blocking || data->has_timeout) {
- - pdata->flags |= DIO_NONBLOCK;
- - }
- -#endif
- -
- - /* Open the file and handle any errors. */
- -#ifdef DIO_HAS_FILEPERMS
- - if (data->has_perms) {
- - pdata->fd = open(filename, pdata->flags, (mode_t)data->perms);
- - } else {
- - pdata->fd = open(filename, pdata->flags);
- - }
- -#else
- - pdata->fd = open(filename, pdata->flags);
- -#endif
- -
- - if (pdata->fd < 0) {
- - switch (errno) {
- - case EEXIST:
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "File exists!");
- - return 0;
- - default:
- - return 0;
- - }
- - }
- -
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_serial_init
- - * Initialises the serial settings storing the original settings before hand.
- - */
- -static int dio_serial_init(php_dio_stream_data *data TSRMLS_DC) {
- - php_dio_posix_stream_data *pdata = (php_dio_posix_stream_data*)data;
- - int ret = 0, data_bits_def, stop_bits_def, parity_def;
- - struct termios tio;
- - speed_t rate_def;
- -
- - if (!dio_data_rate_to_define(data->data_rate, &rate_def)) {
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid data_rate value (%ld)", data->data_rate);
- - return 0;
- - }
- -
- - if (!dio_data_bits_to_define(data->data_bits, &data_bits_def)) {
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid data_bits value (%d)", data->data_bits);
- - return 0;
- - }
- -
- - if (!dio_stop_bits_to_define(data->stop_bits, &stop_bits_def)) {
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid stop_bits value (%d)", data->stop_bits);
- - return 0;
- - }
- -
- - if (!dio_parity_to_define(data->parity, &parity_def)) {
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid parity value (%d)", data->parity);
- - return 0;
- - }
- -
- - ret = tcgetattr(pdata->fd, &(pdata->oldtio));
- - if (ret < 0) {
- - if ((errno == ENOTTY) || (errno == ENODEV)) {
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "Not a serial port or terminal!");
- - }
- - return 0;
- - }
- -
- - ret = tcgetattr(pdata->fd, &tio);
- - if (ret < 0) {
- - return 0;
- - }
- -
- - if (data->canonical) {
- - tio.c_iflag = IGNPAR | ICRNL;
- - tio.c_oflag = 0;
- - tio.c_lflag = ICANON;
- - } else {
- - cfmakeraw(&tio);
- - }
- -
- - cfsetispeed(&tio, rate_def);
- - cfsetospeed(&tio, rate_def);
- -
- - tio.c_cflag &= ~CSIZE;
- - tio.c_cflag |= data_bits_def;
- - tio.c_cflag &= ~CSTOPB;
- - tio.c_cflag |= stop_bits_def;
- - tio.c_cflag &= ~(PARENB|PARODD);
- - tio.c_cflag |= parity_def;
- -
- -#ifdef CRTSCTS
- - tio.c_cflag &= ~(CLOCAL | CRTSCTS);
- -#else
- - tio.c_cflag &= ~CLOCAL;
- -#endif
- - if (!data->flow_control) {
- - tio.c_cflag |= CLOCAL;
- -#ifdef CRTSCTS
- - } else {
- - tio.c_cflag |= CRTSCTS;
- -#endif
- - }
- -
- - ret = tcsetattr(pdata->fd, TCSANOW, &tio);
- - if (ret < 0) {
- - return 0;
- - }
- -
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_serial_uninit
- - * Restores the serial settings back to their original state.
- - */
- -int dio_serial_uninit(php_dio_stream_data *data) {
- - php_dio_posix_stream_data *pdata = (php_dio_posix_stream_data*)data;
- - int ret;
- -
- - do {
- - ret = tcsetattr(pdata->fd, TCSANOW, &(pdata->oldtio));
- - } while ((ret < 0) && (errno == EINTR));
- -
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_serial_flush
- - * Purges the serial buffers of data.
- - */
- -int dio_serial_purge(php_dio_stream_data *data) {
- - php_dio_posix_stream_data *pdata = (php_dio_posix_stream_data*)data;
- - int ret;
- -
- - if ((pdata->flags & O_RDWR) == O_RDWR) {
- - ret = tcflush(pdata->fd, TCIOFLUSH);
- - } else if ((pdata->flags & O_WRONLY) == O_WRONLY) {
- - ret = tcflush(pdata->fd, TCOFLUSH);
- - } else if ((pdata->flags & O_RDONLY) == O_RDONLY) {
- - ret = tcflush(pdata->fd, TCIFLUSH);
- - }
- -
- - if (ret < 0) {
- - return 0;
- - }
- -
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_serial_open_stream
- - * Opens the underlying stream.
- - */
- -int dio_serial_open_stream(char *filename, char *mode, php_dio_stream_data *data TSRMLS_DC) {
- - php_dio_posix_stream_data *pdata = (php_dio_posix_stream_data*)data;
- -
- -#ifdef O_NOCTTY
- - /* We don't want a controlling TTY */
- - pdata->flags |= O_NOCTTY;
- -#endif
- -
- - if (!dio_raw_open_stream(filename, mode, data TSRMLS_CC)) {
- - return 0;
- - }
- -
- - if (!dio_serial_init(data TSRMLS_CC)) {
- - close(pdata->fd);
- - return 0;
- - }
- -
- - return 1;
- -}
- -/* }}} */
- -
- -/*
- - * Local variables:
- - * c-basic-offset: 4
- - * tab-width: 4
- - * End:
- - * vim600: fdm=marker
- - * vim: sw=4 ts=4 noet
- - */
- +/*
- + +----------------------------------------------------------------------+
- + | PHP Version 5 |
- + +----------------------------------------------------------------------+
- + | Copyright (c) 2009 Melanie Rhianna Lewis |
- + +----------------------------------------------------------------------+
- + | This source file is subject to version 3.0 of the PHP license, |
- + | that is bundled with this package in the file LICENSE, and is |
- + | available through the world-wide-web at the following url: |
- + | http://www.php.net/license/3_0.txt. |
- + | If you did not receive a copy of the PHP license and are unable to |
- + | obtain it through the world-wide-web, please send a note to |
- + | license@php.net so we can mail you a copy immediately. |
- + +----------------------------------------------------------------------+
- + | Author: Melanie Rhianna Lewis <cyberspice@php.net> |
- + +----------------------------------------------------------------------+
- + */
- +
- +#ifdef HAVE_CONFIG_H
- +#include "config.h"
- +#endif
- +
- +#include "php.h"
- +
- +#include "php_dio_common.h"
- +
- +/* {{{ dio_stream_mode_to_flags
- + * Convert an fopen() mode string to open() flags
- + */
- +static int dio_stream_mode_to_flags(const char *mode) {
- + int flags = 0, ch = 0, bin = 1;
- +
- + switch(mode[ch++]) {
- + case 'r':
- + flags = 0;
- + break;
- + case 'w':
- + flags = O_TRUNC | O_CREAT;
- + break;
- + case 'a':
- + flags = O_APPEND | O_CREAT;
- + break;
- + case 'x':
- + flags = O_EXCL | O_CREAT;
- + break;
- + }
- +
- + if (mode[ch] != '+') {
- + bin = (mode[ch++] == 'b');
- + }
- +
- + if (mode[ch] == '+') {
- + flags |= O_RDWR;
- + } else if (flags) {
- + flags |= O_WRONLY;
- + } else {
- + flags |= O_RDONLY;
- + }
- +
- +#if defined(_O_TEXT) && defined(O_BINARY)
- + if (bin) {
- + flags |= O_BINARY;
- + } else {
- + flags |= _O_TEXT;
- + }
- +#endif
- +
- + return flags;
- +}
- +/* }}} */
- +
- +/* {{{ dio_data_rate_to_define
- + * Converts a numeric data rate to a termios define
- + */
- +static int dio_data_rate_to_define(long rate, speed_t *def) {
- + speed_t val;
- +
- + switch (rate) {
- + case 0:
- + val = 0;
- + break;
- + case 50:
- + val = B50;
- + break;
- + case 75:
- + val = B75;
- + break;
- + case 110:
- + val = B110;
- + break;
- + case 134:
- + val = B134;
- + break;
- + case 150:
- + val = B150;
- + break;
- + case 200:
- + val = B200;
- + break;
- + case 300:
- + val = B300;
- + break;
- + case 600:
- + val = B600;
- + break;
- + case 1200:
- + val = B1200;
- + break;
- + case 1800:
- + val = B1800;
- + break;
- + case 2400:
- + val = B2400;
- + break;
- + case 4800:
- + val = B4800;
- + break;
- + case 9600:
- + val = B9600;
- + break;
- + case 19200:
- + val = B19200;
- + break;
- + case 38400:
- + val = B38400;
- + break;
- +#ifdef B57600
- + case 57600:
- + val = B57600;
- + break;
- +#endif
- +#ifdef B115200
- + case 115200:
- + val = B115200;
- + break;
- +#endif
- +#ifdef B230400
- + case 230400:
- + val = B230400;
- + break;
- +#endif
- +#ifdef B460800
- + case 460800:
- + val = B460800;
- + break;
- +#endif
- + default:
- + return 0;
- + }
- +
- + *def = val;
- + return 1;
- +}
- +
- +/* {{{ dio_data_bits_to_define
- + * Converts a number of data bits to a termios define
- + */
- +static int dio_data_bits_to_define(int data_bits, int *def) {
- + int val;
- +
- + switch (data_bits) {
- + case 8:
- + val = CS8;
- + break;
- + case 7:
- + val = CS7;
- + break;
- + case 6:
- + val = CS6;
- + break;
- + case 5:
- + val = CS5;
- + break;
- + default:
- + return 0;
- + }
- +
- + *def = val;
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_stop_bits_to_define
- + * Converts a number of stop bits to a termios define
- + */
- +static int dio_stop_bits_to_define(int stop_bits, int *def) {
- + int val;
- +
- + switch (stop_bits) {
- + case 1:
- + val = 0;
- + break;
- + case 2:
- + val = CSTOPB;
- + break;
- + default:
- + return 0;
- + }
- +
- + *def = val;
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_parity_to_define
- + * Converts a parity type to a termios define
- + */
- +static int dio_parity_to_define(int parity, int *def) {
- + int val;
- +
- + switch (parity) {
- + case 0:
- + val = 0;
- + break;
- + case 1:
- + val = PARENB | PARODD;
- + break;
- + case 2:
- + val = PARENB;
- + break;
- + default:
- + return 0;
- + }
- +
- + *def = val;
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_create_stream_data
- + * Creates an initialised stream data structure. Free with efree().
- + */
- +php_dio_stream_data * dio_create_stream_data(void) {
- + php_dio_posix_stream_data * data = emalloc(sizeof(php_dio_posix_stream_data));
- + dio_init_stream_data(&(data->common));
- + data->fd = -1;
- + data->flags = 0;
- +
- + return (php_dio_stream_data *)data;
- +}
- +/* }}} */
- +
- +/* {{{ dio_common_write
- + * Writes count chars from the buffer to the stream described by the stream data.
- + */
- +size_t dio_common_write(php_dio_stream_data *data, const char *buf, size_t count) {
- + size_t ret;
- +
- + /* Blocking writes can be interrupted by signals etc. If
- + * interrupted try again. Not sure about non-blocking
- + * writes but it doesn't hurt to check. */
- + do {
- + ret = write(((php_dio_posix_stream_data*)data)->fd, buf, count);
- + if (ret > 0) {
- + return ret;
- + }
- + } while (errno == EINTR);
- + return 0;
- +}
- +/* }}} */
- +
- +#ifdef DIO_NONBLOCK
- +/* {{{ dio_timeval_subtract
- + * Calculates the difference between two timevals returning the result in the
- + * structure pointed to by diffptr. Returns -1 as error if late time is
- + * earlier than early time.
- + */
- +static int dio_timeval_subtract(struct timeval *late, struct timeval *early, struct timeval *diff) {
- + struct timeval *tmp;
- +
- + /* Handle negatives */
- + if (late->tv_sec < early->tv_sec) {
- + return 0;
- + }
- +
- + if ((late->tv_sec == early->tv_sec) && (late->tv_usec < early->tv_usec)) {
- + return 0;
- + }
- +
- + /* Handle any carry. If later usec is smaller than earlier usec simple
- + * subtraction will result in negative value. Since usec has a maximum
- + * of one second by adding another second before the subtraction the
- + * result will always be positive. */
- + if (late->tv_usec < early->tv_usec) {
- + late->tv_usec += 1000000;
- + late->tv_sec--;
- + }
- +
- + /* Once adjusted can just subtract values. */
- + diff->tv_sec = late->tv_sec - early->tv_sec;
- + diff->tv_usec = late->tv_usec - early->tv_usec;
- +
- + return 1;
- +}
- +#endif
- +
- +/* {{{ dio_common_read
- + * Reads count chars to the buffer to the stream described by the stream data.
- + */
- +size_t dio_common_read(php_dio_stream_data *data, const char *buf, size_t count) {
- + int fd = ((php_dio_posix_stream_data*)data)->fd;
- + size_t ret, total = 0;
- + char *ptr = (char*)buf;
- +
- + struct timeval timeout, timeouttmp, before, after, diff;
- + fd_set rfds;
- +
- + if (!data->has_timeout) {
- + /* Blocking reads can be interrupted by signals etc. If
- + * interrupted try again. Not sure about non-blocking
- + * reads but it doesn't hurt to check. */
- + do {
- + ret = read(fd, (char*)ptr, count);
- + if (ret > 0) {
- + return ret;
- + } else if (!ret) {
- + data->end_of_file = 1;
- + }
- + } while ((errno == EINTR) && !data->end_of_file);
- + return 0;
- + }
- +#ifdef DIO_NONBLOCK
- + else {
- + /* Clear timed out flag */
- + data->timed_out = 0;
- +
- + /* The initial timeout value */
- + timeout.tv_sec = data->timeout_sec;
- + timeout.tv_usec = data->timeout_usec;
- +
- + do {
- + /* The semantics of select() are that you cannot guarantee
- + * that the timeval structure passed in has not been changed by
- + * the select call. So you keep a copy. */
- + timeouttmp = timeout;
- +
- + /* The time before we wait for data. */
- + (void) gettimeofday(&before, NULL);
- +
- + /* Wait for an event on our file descriptor. */
- + FD_ZERO(&rfds);
- + FD_SET(fd, &rfds);
- +
- + ret = select(fd + 1, &rfds, NULL, NULL, &timeouttmp);
- + /* An error. */
- + if ((ret < 0) && (errno != EINTR) && (errno != EAGAIN)) {
- + return 0;
- + }
- +
- + /* We have data to read. */
- + if ((ret > 0) && FD_ISSET(fd, &rfds)) {
- + ret = read(fd, ptr, count);
- + /* Another error */
- + if ((ret < 0) && (errno != EINTR) && (errno != EAGAIN)) {
- + return 0;
- + }
- +
- + if (ret > 0) {
- + /* Got data, add it to the buffer. */
- + ptr += ret;
- + total += ret;
- + count -= ret;
- + } else if (!ret) {
- + /* This should never happen since how can we have
- + * data to read at an end of file, but still
- + * just in case! */
- + data->end_of_file = 1;
- + break;
- + }
- + }
- +
- + /* If not timed out and not end of file and not all data read
- + * calculate how long it took us and loop if we still have time
- + * out time left. */
- + if (count) {
- + (void) gettimeofday(&after, NULL);
- +
- + /* Diff the timevals */
- + (void) dio_timeval_subtract(&after, &before, &diff);
- +
- + /* Now adjust the timeout. */
- + if (!dio_timeval_subtract(&timeout, &diff, &timeout)) {
- + /* If it errors we've run out of time. */
- + data->timed_out = 1;
- + break;
- + } else if (!timeout.tv_sec && !(timeout.tv_usec / 1000)) {
- + /* Check for rounding issues (millisecond accuracy) */
- + data->timed_out = 1;
- + break;
- + }
- + }
- + } while (count); /* Until time out or end of file or all data read. */
- +
- + return total;
- + }
- +#endif
- +}
- +/* }}} */
- +
- +/* {{{ php_dio_stream_data
- + * Closes the php_stream.
- + */
- +int dio_common_close(php_dio_stream_data *data) {
- + if (close(((php_dio_posix_stream_data*)data)->fd) < 0) {
- + return 0;
- + }
- +
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_common_set_option
- + * Sets/gets stream options
- + */
- +int dio_common_set_option(php_dio_stream_data *data, int option, int value, void *ptrparam) {
- + int fd = ((php_dio_posix_stream_data*)data)->fd;
- + int old_is_blocking;
- + int flags;
- +
- + switch (option) {
- +#ifdef DIO_NONBLOCK
- + case PHP_STREAM_OPTION_READ_TIMEOUT:
- + if (ptrparam) {
- + struct timeval *tv = (struct timeval*)ptrparam;
- +
- + flags = fcntl(fd, F_GETFL, 0);
- +
- + /* A timeout of zero seconds and zero microseconds disables
- + any existing timeout. */
- + if (tv->tv_sec || tv->tv_usec) {
- + data->timeout_sec = tv->tv_sec;
- + data->timeout_usec = tv->tv_usec;
- + data->has_timeout = -1;
- + (void) fcntl(fd, F_SETFL, flags & ~DIO_NONBLOCK);
- + } else {
- + data->timeout_sec = 0;
- + data->timeout_usec = 0;
- + data->has_timeout = 0;
- + data->timed_out = 0;
- + (void) fcntl(fd, F_SETFL, flags | DIO_NONBLOCK);
- + }
- +
- + return PHP_STREAM_OPTION_RETURN_OK;
- + } else {
- + return PHP_STREAM_OPTION_RETURN_ERR;
- + }
- +
- + case PHP_STREAM_OPTION_BLOCKING:
- + flags = fcntl(fd, F_GETFL, 0);
- + if (value) {
- + flags &= ~DIO_NONBLOCK;
- + } else {
- + flags |= DIO_NONBLOCK;
- + }
- + (void) fcntl(fd, F_SETFL, flags);
- +
- + old_is_blocking = data->is_blocking;
- + data->is_blocking = value;
- + return old_is_blocking ? PHP_STREAM_OPTION_RETURN_OK : PHP_STREAM_OPTION_RETURN_ERR;
- +#endif /* O_NONBLOCK */
- +
- + default:
- + break;
- + }
- +
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_raw_open_stream
- + * Opens the underlying stream.
- + */
- +int dio_raw_open_stream(char *filename, char *mode, php_dio_stream_data *data TSRMLS_DC) {
- + php_dio_posix_stream_data *pdata = (php_dio_posix_stream_data*)data;
- + pdata->flags = dio_stream_mode_to_flags(mode);
- +
- +#ifdef DIO_NONBLOCK
- + if (!data->is_blocking || data->has_timeout) {
- + pdata->flags |= DIO_NONBLOCK;
- + }
- +#endif
- +
- + /* Open the file and handle any errors. */
- +#ifdef DIO_HAS_FILEPERMS
- + if (data->has_perms) {
- + pdata->fd = open(filename, pdata->flags, (mode_t)data->perms);
- + } else {
- + pdata->fd = open(filename, pdata->flags);
- + }
- +#else
- + pdata->fd = open(filename, pdata->flags);
- +#endif
- +
- + if (pdata->fd < 0) {
- + switch (errno) {
- + case EEXIST:
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "File exists!");
- + return 0;
- + default:
- + return 0;
- + }
- + }
- +
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_serial_init
- + * Initialises the serial settings storing the original settings before hand.
- + */
- +static int dio_serial_init(php_dio_stream_data *data TSRMLS_DC) {
- + php_dio_posix_stream_data *pdata = (php_dio_posix_stream_data*)data;
- + int ret = 0, data_bits_def, stop_bits_def, parity_def;
- + struct termios tio;
- + speed_t rate_def;
- +
- + if (!dio_data_rate_to_define(data->data_rate, &rate_def)) {
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid data_rate value (%ld)", data->data_rate);
- + return 0;
- + }
- +
- + if (!dio_data_bits_to_define(data->data_bits, &data_bits_def)) {
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid data_bits value (%d)", data->data_bits);
- + return 0;
- + }
- +
- + if (!dio_stop_bits_to_define(data->stop_bits, &stop_bits_def)) {
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid stop_bits value (%d)", data->stop_bits);
- + return 0;
- + }
- +
- + if (!dio_parity_to_define(data->parity, &parity_def)) {
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid parity value (%d)", data->parity);
- + return 0;
- + }
- +
- + ret = tcgetattr(pdata->fd, &(pdata->oldtio));
- + if (ret < 0) {
- + if ((errno == ENOTTY) || (errno == ENODEV)) {
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "Not a serial port or terminal!");
- + }
- + return 0;
- + }
- +
- + ret = tcgetattr(pdata->fd, &tio);
- + if (ret < 0) {
- + return 0;
- + }
- +
- + if (data->canonical) {
- + tio.c_iflag = IGNPAR | ICRNL;
- + tio.c_oflag = 0;
- + tio.c_lflag = ICANON;
- + } else {
- + cfmakeraw(&tio);
- + }
- +
- + cfsetispeed(&tio, rate_def);
- + cfsetospeed(&tio, rate_def);
- +
- + tio.c_cflag &= ~CSIZE;
- + tio.c_cflag |= data_bits_def;
- + tio.c_cflag &= ~CSTOPB;
- + tio.c_cflag |= stop_bits_def;
- + tio.c_cflag &= ~(PARENB|PARODD);
- + tio.c_cflag |= parity_def;
- +
- +#ifdef CRTSCTS
- + tio.c_cflag &= ~(CLOCAL | CRTSCTS);
- +#else
- + tio.c_cflag &= ~CLOCAL;
- +#endif
- + if (!data->flow_control) {
- + tio.c_cflag |= CLOCAL;
- +#ifdef CRTSCTS
- + } else {
- + tio.c_cflag |= CRTSCTS;
- +#endif
- + }
- +
- + ret = tcsetattr(pdata->fd, TCSANOW, &tio);
- + if (ret < 0) {
- + return 0;
- + }
- +
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_serial_uninit
- + * Restores the serial settings back to their original state.
- + */
- +int dio_serial_uninit(php_dio_stream_data *data) {
- + php_dio_posix_stream_data *pdata = (php_dio_posix_stream_data*)data;
- + int ret;
- +
- + do {
- + ret = tcsetattr(pdata->fd, TCSANOW, &(pdata->oldtio));
- + } while ((ret < 0) && (errno == EINTR));
- +
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_serial_flush
- + * Purges the serial buffers of data.
- + */
- +int dio_serial_purge(php_dio_stream_data *data) {
- + php_dio_posix_stream_data *pdata = (php_dio_posix_stream_data*)data;
- + int ret;
- +
- + if ((pdata->flags & O_RDWR) == O_RDWR) {
- + ret = tcflush(pdata->fd, TCIOFLUSH);
- + } else if ((pdata->flags & O_WRONLY) == O_WRONLY) {
- + ret = tcflush(pdata->fd, TCOFLUSH);
- + } else if ((pdata->flags & O_RDONLY) == O_RDONLY) {
- + ret = tcflush(pdata->fd, TCIFLUSH);
- + }
- +
- + if (ret < 0) {
- + return 0;
- + }
- +
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_serial_open_stream
- + * Opens the underlying stream.
- + */
- +int dio_serial_open_stream(char *filename, char *mode, php_dio_stream_data *data TSRMLS_DC) {
- + php_dio_posix_stream_data *pdata = (php_dio_posix_stream_data*)data;
- +
- +#ifdef O_NOCTTY
- + /* We don't want a controlling TTY */
- + pdata->flags |= O_NOCTTY;
- +#endif
- +
- + if (!dio_raw_open_stream(filename, mode, data TSRMLS_CC)) {
- + return 0;
- + }
- +
- + if (!dio_serial_init(data TSRMLS_CC)) {
- + close(pdata->fd);
- + return 0;
- + }
- +
- + return 1;
- +}
- +/* }}} */
- +
- +/*
- + * Local variables:
- + * c-basic-offset: 4
- + * tab-width: 4
- + * End:
- + * vim600: fdm=marker
- + * vim: sw=4 ts=4 noet
- + */
- --- a/dio_win32.c
- +++ b/dio_win32.c
- @@ -1,759 +1,759 @@
- -/*
- - +----------------------------------------------------------------------+
- - | PHP Version 5 |
- - +----------------------------------------------------------------------+
- - | Copyright (c) 2009 Melanie Rhianna Lewis |
- - +----------------------------------------------------------------------+
- - | This source file is subject to version 3.0 of the PHP license, |
- - | that is bundled with this package in the file LICENSE, and is |
- - | available through the world-wide-web at the following url: |
- - | http://www.php.net/license/3_0.txt. |
- - | If you did not receive a copy of the PHP license and are unable to |
- - | obtain it through the world-wide-web, please send a note to |
- - | license@php.net so we can mail you a copy immediately. |
- - +----------------------------------------------------------------------+
- - | Author: Melanie Rhianna Lewis <cyberspice@php.net> |
- - +----------------------------------------------------------------------+
- - */
- -
- -#ifdef HAVE_CONFIG_H
- -#include "config.h"
- -#endif
- -
- -#include "php.h"
- -#include "php_dio_common.h"
- -
- -#ifndef ZEND_WIN32
- -#error ZEND_WIN32 not defined!
- -#endif
- -
- -/* {{{ dio_last_error_php_error
- - * Generates a PHP error message based upon the last Windows error.
- - */
- -static void dio_last_error_php_error(int level, char * message TSRMLS_DC) {
- - LPVOID msgbuf;
- - DWORD msgbuflen;
- - char * errmsg;
- - DWORD err;
- -
- -#ifdef UNICODE
- - DWORD errmsglen;
- -#endif
- -
- - err = GetLastError();
- - msgbuflen = FormatMessage(
- - FORMAT_MESSAGE_ALLOCATE_BUFFER|
- - FORMAT_MESSAGE_FROM_SYSTEM|
- - FORMAT_MESSAGE_IGNORE_INSERTS,
- - NULL,
- - err,
- - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- - (LPTSTR)&msgbuf,
- - 0,
- - NULL);
- -
- -#ifdef UNICODE
- -
- - /* Get the length of the converted message */
- - errmsglen = WideCharToMultibyte(
- - CP_ACP,
- - 0
- - (LPCWSTR)msgbuf,
- - -1,
- - (LPSTR)errmsg,
- - 0,
- - NULL,
- - NULL);
- -
- - /* Allocate a buffer */
- - errmsg = emalloc(errmsglen);
- - if (!errmsg) {
- - php_error_docref(NULL TSRMLS_CC, E_ERROR, "Out of memory in dio_last_error_php_error()!");
- - LocalFree(msgbuf);
- - return;
- - }
- -
- - /* Convert the message */
- - errmsglen = WideCharToMultibyte(
- - CP_ACP,
- - 0
- - (LPCWSTR)msgbuf,
- - -1,
- - (LPSTR)errmsg,
- - errmsglen,
- - NULL,
- - NULL);
- -
- -#else
- - errmsg = (char *)msgbuf;
- -#endif
- -
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s[ERROR %d] %s", message, err, errmsg);
- -
- - LocalFree(msgbuf);
- -#ifdef UNICODE
- - efree(errmsg);
- -#endif
- -}
- -
- -/* {{{ dio_data_rate_to_define
- - * Converts a numeric data rate to a termios define
- - */
- -static int dio_data_rate_to_define(long rate, DWORD *def) {
- - switch (rate) {
- - case 75:
- - case 110:
- - case 134:
- - case 150:
- - case 300:
- - case 600:
- - case 1200:
- - case 1800:
- - case 2400:
- - case 4800:
- - case 7200:
- - case 9600:
- - case 14400:
- - case 19200:
- - case 38400:
- - case 57600:
- - case 115200:
- - case 56000:
- - case 128000:
- - case 256000:
- - break;
- - default:
- - return 0;
- - }
- -
- - *def = (DWORD)rate;
- - return 1;
- -}
- -/* }}} */
- -
- -
- -/* {{{ dio_data_bits_to_define
- - * Converts a number of data bits to a termios define
- - */
- -static int dio_data_bits_to_define(int data_bits, DWORD *def) {
- - switch (data_bits) {
- - case 8:
- - case 7:
- - case 6:
- - case 5:
- - case 4:
- - break;
- - default:
- - return 0;
- - }
- -
- - *def = (DWORD)data_bits;
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_stop_bits_to_define
- - * Converts a number of stop bits to a termios define
- - */
- -static int dio_stop_bits_to_define(int stop_bits, DWORD *def) {
- - DWORD val;
- -
- - switch (stop_bits) {
- - case 1:
- - val = ONESTOPBIT;
- - break;
- - case 2:
- - val = TWOSTOPBITS;
- - break;
- - case 3:
- - val = ONE5STOPBITS;
- - break;
- - default:
- - return 0;
- - }
- -
- - *def = val;
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_parity_to_define
- - * Converts a parity type to a termios define
- - */
- -static int dio_parity_to_define(int parity, DWORD *def) {
- - DWORD val;
- -
- - switch (parity) {
- - case 0:
- - val = NOPARITY;
- - break;
- - case 1:
- - val = ODDPARITY;
- - break;
- - case 2:
- - val = EVENPARITY;
- - break;
- - default:
- - return 0;
- - }
- -
- - *def = val;
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_create_stream_data
- - * Creates an initialised stream data structure. Free with efree().
- - */
- -php_dio_stream_data * dio_create_stream_data(void) {
- - php_dio_win32_stream_data * data = emalloc(sizeof(php_dio_win32_stream_data));
- - memset(data, 0, sizeof(php_dio_win32_stream_data));
- - dio_init_stream_data(&(data->common));
- - data->handle = INVALID_HANDLE_VALUE;
- - data->desired_access = 0;
- - data->creation_disposition = 0;
- - data->olddcb.DCBlength = sizeof(DCB);
- -
- - return (php_dio_stream_data *)data;
- -}
- -/* }}} */
- -
- -/* {{{ dio_common_write
- - * Writes count chars from the buffer to the stream described by the stream data.
- - */
- -size_t dio_common_write(php_dio_stream_data *data, const char *buf, size_t count) {
- - php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- - DWORD total = 0;
- -
- - if (WriteFile(wdata->handle, buf, (DWORD)count, &total, NULL)) {
- - return (size_t)total;
- - }
- -
- - return 0;
- -}
- -/* }}} */
- -
- -/* {{{ dio_buffer_read
- - * Reads any available chars from the canonical buffer.
- - */
- -static size_t dio_buffer_read(php_dio_win32_stream_data *wdata, const char *buf, size_t count) {
- - php_dio_win32_canon_data *canon_data = wdata->canon_data;
- - size_t total = 0;
- -
- - /* Read always follows write. I.e. if read ptr > write ptr buffer has
- - wrapped and so we need to copy two blocks of data. */
- - if (canon_data->read_pos > canon_data->write_pos) {
- -
- - /* Check we actually need to copy both blocks */
- - if ((canon_data->size - canon_data->read_pos) > count) {
- -
- - /* No we don't. Just copy as much as we were asked for. */
- - memcpy((char*)buf,
- - &(canon_data->buf[canon_data->read_pos]),
- - count);
- - /* Update the read pointer. */
- - canon_data->read_pos += count;
- -
- - /* Return the amount read. */
- - return count;
- - } else {
- -
- - /* We need to copy both blocks so copy data up to the end of
- - the buffer. */
- - total = canon_data->size - canon_data->read_pos;
- - memcpy((char*)buf,
- - &(canon_data->buf[canon_data->read_pos]),
- - total);
- - canon_data->read_pos = 0;
- - count -= total;
- -
- - /* Now copy the data from the start of the buffer either up
- - count or the number of bytes in the buffer. */
- -
- - if (canon_data->write_pos > count) {
- - memcpy((char*)buf, canon_data->buf, count);
- - canon_data->read_pos = count;
- - total += count;
- -
- - return total;
- - } else {
- - memcpy((char*)buf, canon_data->buf, canon_data->write_pos);
- - canon_data->read_pos = canon_data->write_pos;
- - total += canon_data->write_pos;
- -
- - return total;
- - }
- - }
- -
- - /* Else if write follows read. This is a simpler case. We just copy
- - either all the data buffered or count, which ever is smaller. */
- - } else if (canon_data->write_pos > canon_data->read_pos) {
- - if ((canon_data->write_pos - canon_data->read_pos) > count) {
- - memcpy((char*)buf,
- - &(canon_data->buf[canon_data->read_pos]),
- - count);
- - canon_data->read_pos += count;
- -
- - return count;
- - } else {
- - total = canon_data->write_pos - canon_data->read_pos;
- - memcpy((char*)buf,
- - &(canon_data->buf[canon_data->read_pos]),
- - total);
- - canon_data->read_pos += total;
- -
- - return total;
- - }
- - }
- -
- - /* Else we need to read more data from the data port. */
- - return 0;
- -}
- -
- -/* {{{ dio_com_read
- - * Read chars from the data port.
- - */
- -static size_t dio_com_read(php_dio_stream_data *data, const char *buf, size_t count) {
- - php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- - DWORD err, total = 0;
- -
- - if (ReadFile(wdata->handle, (void*)buf, (DWORD)count, &total, NULL)) {
- -
- - if (total) {
- - return (size_t)total;
- - }
- -
- - data->end_of_file = 1;
- - }
- -
- - if (!data->end_of_file) {
- - err = GetLastError();
- -
- - if (ERROR_HANDLE_EOF == err) {
- - data->end_of_file = 1;
- - }
- - }
- -
- - return 0;
- -}
- -
- -/* {{{ dio_canonical_read
- - * Reads chars from the input stream until the internal buffer is full or a new
- - * line is reached.
- - */
- -static size_t dio_canonical_read(php_dio_win32_stream_data *wdata, const char *buf, size_t count) {
- - php_dio_win32_canon_data *canon_data = wdata->canon_data;
- - size_t total = 0;
- - char ch;
- -
- - /* See if there's any buffered data and copy it. */
- - total = dio_buffer_read(wdata, buf, count);
- - if (total) {
- - return total;
- - }
- -
- - /* Need to read more data from the data port. Buffer should be empty(er)
- - by now. */
- - do {
- - /* Is the buffer full? */
- - if (((canon_data->write_pos + 1) % canon_data->size) ==
- - canon_data->read_pos) {
- - break;
- - }
- -
- - /* Read a byte from the input checking for EOF. */
- - if (!dio_com_read((php_dio_stream_data*)wdata, &ch, 1)) {
- - break;
- - }
- -
- - /* Translate CR to newlines (same as ICRNL in POSIX) */
- - ch = (ch != '\r') ? ch : '\n';
- -
- - /* We read a character! So buffer it. */
- - canon_data->buf[canon_data->write_pos++] = ch;
- - if (canon_data->write_pos >= canon_data->size) {
- - canon_data->write_pos = 0;
- - }
- -
- - /* End of line/input (^D)? */
- - } while ((ch != '\n') && (ch != 0x04));
- -
- - return dio_buffer_read(wdata, buf, count);
- -}
- -/* }}} */
- -
- -/* {{{ dio_common_read
- - * Reads count chars to the buffer to the stream described by the stream data.
- - */
- -size_t dio_common_read(php_dio_stream_data *data, const char *buf, size_t count) {
- -
- - /* You ask for no bytes you'll get none :-) */
- - if (!count) {
- - return 0;
- - }
- -
- - if (data->canonical) {
- - return dio_canonical_read((php_dio_win32_stream_data*)data, buf, count);
- - } else {
- - return dio_com_read(data, buf, count);
- - }
- -}
- -/* }}} */
- -
- -/* {{{ php_dio_stream_data
- - * Closes the php_stream.
- - */
- -int dio_common_close(php_dio_stream_data *data) {
- - php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- -
- - if (data->canonical) {
- - efree(wdata->canon_data);
- - }
- -
- - if (!CloseHandle(wdata->handle)) {
- - return 0;
- - }
- -
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_common_set_option
- - * Sets/gets stream options
- - */
- -int dio_common_set_option(php_dio_stream_data *data, int option, int value, void *ptrparam) {
- - COMMTIMEOUTS cto = { 0, 0, 0, 0, 0 };
- - int old_is_blocking = 0;
- -
- - /* Can't do timeouts or non blocking with raw windows streams :-( */
- - if (DIO_STREAM_TYPE_SERIAL == data->stream_type) {
- - switch (option) {
- - case PHP_STREAM_OPTION_BLOCKING:
- - old_is_blocking = data->is_blocking;
- - data->is_blocking = value ? 1 : 0;
- -
- - /* Only change values if we need to change them. */
- - if (data->is_blocking != old_is_blocking) {
- - /* If we're not blocking but don't have a timeout
- - set to return immediately */
- - if (!data->is_blocking && !data->has_timeout) {
- - cto.ReadIntervalTimeout = MAXDWORD;
- - }
- -
- - /* If we have a timeout ignore the blocking and set
- - the total time in which to read the data */
- - if (data->has_timeout) {
- - cto.ReadIntervalTimeout = MAXDWORD;
- - cto.ReadTotalTimeoutMultiplier = MAXDWORD;
- - cto.ReadTotalTimeoutConstant = (data->timeout_usec / 1000) +
- - (data->timeout_sec * 1000);
- - }
- -
- - if (!SetCommTimeouts(((php_dio_win32_stream_data*)data)->handle, &cto)) {
- - return PHP_STREAM_OPTION_RETURN_ERR;
- - }
- - }
- - return old_is_blocking ? PHP_STREAM_OPTION_RETURN_OK : PHP_STREAM_OPTION_RETURN_ERR;
- -
- - case PHP_STREAM_OPTION_READ_TIMEOUT:
- - if (ptrparam) {
- - /* struct timeval is supported with PHP_WIN32 defined. */
- - struct timeval *tv = (struct timeval*)ptrparam;
- -
- - /* A timeout of zero seconds and zero microseconds disables
- - any existing timeout. */
- - if (tv->tv_sec || tv->tv_usec) {
- - data->timeout_sec = tv->tv_sec;
- - data->timeout_usec = tv->tv_usec;
- - data->has_timeout = -1;
- -
- - cto.ReadIntervalTimeout = MAXDWORD;
- - cto.ReadTotalTimeoutMultiplier = MAXDWORD;
- - cto.ReadTotalTimeoutConstant = (data->timeout_usec / 1000) +
- - (data->timeout_sec * 1000);
- - } else {
- - data->timeout_sec = 0;
- - data->timeout_usec = 0;
- - data->has_timeout = 0;
- - data->timed_out = 0;
- -
- - /* If we're not blocking but don't have a timeout
- - set to return immediately */
- - if (!data->is_blocking) {
- - cto.ReadIntervalTimeout = MAXDWORD;
- - }
- - }
- -
- - if (!SetCommTimeouts(((php_dio_win32_stream_data*)data)->handle, &cto)) {
- - return PHP_STREAM_OPTION_RETURN_ERR;
- - } else {
- - return PHP_STREAM_OPTION_RETURN_OK;
- - }
- - } else {
- - return PHP_STREAM_OPTION_RETURN_ERR;
- - }
- -
- - default:
- - break;
- - }
- - }
- -
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_raw_open_stream
- - * Opens the underlying stream.
- - */
- -int dio_raw_open_stream(char *filename, char *mode, php_dio_stream_data *data TSRMLS_DC) {
- - php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- - DWORD err;
- -
- - switch(*mode) {
- - case 'r':
- - wdata->creation_disposition = OPEN_EXISTING;
- - break;
- - case 'w':
- - wdata->creation_disposition = TRUNCATE_EXISTING;
- - break;
- - case 'a':
- - wdata->creation_disposition = OPEN_ALWAYS;
- - break;
- - case 'x':
- - wdata->creation_disposition = CREATE_NEW;
- - break;
- - }
- - mode ++;
- -
- - if (*mode && (*mode != '+')) {
- - mode++;
- - }
- -
- - if (*mode && (*mode == '+')) {
- - wdata->desired_access = GENERIC_READ | GENERIC_WRITE;
- - } else if (OPEN_EXISTING == wdata->creation_disposition) {
- - wdata->desired_access = GENERIC_READ;
- - } else {
- - wdata->desired_access = GENERIC_WRITE;
- - }
- -
- - wdata->handle = CreateFile(filename, wdata->desired_access, 0,
- - NULL, wdata->creation_disposition, FILE_ATTRIBUTE_NORMAL, NULL);
- - if (INVALID_HANDLE_VALUE == wdata->handle) {
- - err = GetLastError();
- - switch (err) {
- - case ERROR_FILE_EXISTS:
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "File exists!");
- - return 0;
- -
- - case ERROR_FILE_NOT_FOUND:
- - /* ERROR_FILE_NOT_FOUND with TRUNCATE_EXISTING means that
- - * the file doesn't exist so now try to create it. */
- - if (TRUNCATE_EXISTING == wdata->creation_disposition) {
- - php_error_docref(NULL TSRMLS_CC, E_NOTICE, "File does not exist, creating new file!");
- -
- - wdata->handle = CreateFile(filename, wdata->desired_access, 0,
- - NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
- - if (INVALID_HANDLE_VALUE == wdata->handle) {
- - dio_last_error_php_error(E_WARNING, "CreateFile() failed:" TSRMLS_CC);
- - return 0;
- - }
- - } else {
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "File not found!");
- - return 0;
- - }
- - break;
- -
- - default:
- - dio_last_error_php_error(E_WARNING, "CreateFile() failed:" TSRMLS_CC);
- - return 0;
- - }
- - }
- -
- - /* If canonical allocate the canonical buffer. */
- - if (data->canonical) {
- - wdata->canon_data = emalloc(sizeof(php_dio_win32_canon_data));
- - memset(wdata->canon_data, 0, sizeof(php_dio_win32_canon_data));
- - wdata->canon_data->size = DIO_WIN32_CANON_BUF_SIZE;
- - }
- -
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_serial_init
- - * Initialises the serial port
- - */
- -static int dio_serial_init(php_dio_stream_data *data TSRMLS_DC) {
- - php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- - DWORD rate_def, data_bits_def, stop_bits_def, parity_def;
- - DCB dcb;
- -
- - if (!dio_data_rate_to_define(data->data_rate, &rate_def)) {
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid data_rate value (%d)", data->data_rate);
- - return 0;
- - }
- -
- - if (!dio_data_bits_to_define(data->data_bits, &data_bits_def)) {
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid data_bits value (%d)", data->data_bits);
- - return 0;
- - }
- -
- - if (!dio_stop_bits_to_define(data->stop_bits, &stop_bits_def)) {
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid stop_bits value (%d)", data->stop_bits);
- - return 0;
- - }
- -
- - if (!dio_parity_to_define(data->parity, &parity_def)) {
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid parity value (%d)", data->parity);
- - return 0;
- - }
- -
- - if (!GetCommState(wdata->handle, &(wdata->olddcb))) {
- - dio_last_error_php_error(E_WARNING, "GetCommState() failed:" TSRMLS_CC);
- - return 0;
- - }
- -
- - /* Init the DCB structure */
- - memset(&dcb, 0, sizeof(DCB));
- - dcb.DCBlength = sizeof(DCB);
- -
- - /* Set the communication parameters */
- - dcb.fBinary = 1;
- - dcb.BaudRate = rate_def;
- - dcb.ByteSize = (BYTE)data_bits_def;
- - dcb.StopBits = (BYTE)stop_bits_def;
- - dcb.Parity = (BYTE)parity_def;
- -
- - /* Set the control line parameters */
- - dcb.fDtrControl = DTR_CONTROL_DISABLE;
- - dcb.fDsrSensitivity = FALSE;
- - dcb.fOutxDsrFlow = FALSE;
- - dcb.fTXContinueOnXoff = FALSE;
- - dcb.fOutX = FALSE;
- - dcb.fInX = FALSE;
- - dcb.fErrorChar = FALSE;
- - dcb.fNull = FALSE;
- - dcb.fAbortOnError = FALSE;
- -
- - /* Hardware flow control */
- - if (data->flow_control) {
- - dcb.fOutxCtsFlow = TRUE;
- - dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
- - } else {
- - dcb.fOutxCtsFlow = FALSE;
- - dcb.fRtsControl = RTS_CONTROL_DISABLE;
- - }
- -
- - if (!SetCommState(wdata->handle, &dcb)) {
- - dio_last_error_php_error(E_WARNING, "SetCommState() failed:" TSRMLS_CC);
- - return 0;
- - }
- -
- - return 1;
- -}
- -/* }}} */
- -
- -
- -/* {{{ dio_serial_uninit
- - * Restores the serial settings back to their original state.
- - */
- -int dio_serial_uninit(php_dio_stream_data *data) {
- - php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- -
- - if (!SetCommState(wdata->handle, &(wdata->olddcb))) {
- - return 0;
- - }
- -
- - return 1;
- -}
- -/* }}} */
- -
- -/* {{{ dio_serial_flush
- - * Purges the serial buffers of data.
- - */
- -int dio_serial_purge(php_dio_stream_data *data) {
- - php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- - BOOL ret;
- -
- - /* Purge the canonical buffer if required */
- - if (data->canonical && ((wdata->desired_access & GENERIC_READ) == GENERIC_READ)) {
- - wdata->canon_data->read_pos = 0;
- - wdata->canon_data->write_pos = 0;
- - }
- -
- - /* Purge the com port */
- - if ((wdata->desired_access & (GENERIC_READ|GENERIC_WRITE)) == (GENERIC_READ|GENERIC_WRITE)) {
- - ret = PurgeComm(wdata->handle, PURGE_RXCLEAR|PURGE_TXCLEAR);
- - } else if ((wdata->desired_access & GENERIC_WRITE) == GENERIC_WRITE) {
- - ret = PurgeComm(wdata->handle, PURGE_TXCLEAR);
- - } else if ((wdata->desired_access & GENERIC_READ) == GENERIC_READ) {
- - ret = PurgeComm(wdata->handle, PURGE_RXCLEAR);
- - }
- -
- - return ret;
- -}
- -/* }}} */
- -
- -/* {{{ dio_serial_open_stream
- - * Opens the underlying stream.
- - */
- -int dio_serial_open_stream(char *filename, char *mode, php_dio_stream_data *data TSRMLS_DC) {
- - php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- - COMMTIMEOUTS cto = { 0, 0, 0, 0, 0 };
- -
- - php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Opening \"%s\" as a serial port (mode=\"%s\").", filename, mode);
- -
- - if (*mode != 'r') {
- - php_error_docref(NULL TSRMLS_CC, E_WARNING, "You must open serial ports in read or read/write mode!");
- - return 0;
- - }
- -
- - if (!dio_raw_open_stream(filename, mode, data TSRMLS_CC)) {
- - return 0;
- - }
- -
- - if (!GetCommTimeouts(wdata->handle, &(wdata->oldcto))) {
- - dio_last_error_php_error(E_WARNING, "GetCommTimeouts() failed (Not a comm port?):" TSRMLS_CC);
- - CloseHandle(wdata->handle);
- - return 0;
- - }
- -
- - /* If we're not blocking but don't have a timeout
- - set to return immediately */
- - if (!data->is_blocking && !data->has_timeout) {
- - cto.ReadIntervalTimeout = MAXDWORD;
- - }
- -
- - /* If we have a timeout ignore the blocking and set
- - the total time in which to read the data */
- - if (data->has_timeout) {
- - cto.ReadIntervalTimeout = MAXDWORD;
- - cto.ReadTotalTimeoutMultiplier = MAXDWORD;
- - cto.ReadTotalTimeoutConstant = (data->timeout_usec / 1000) +
- - (data->timeout_sec * 1000);
- - }
- -
- - if (!SetCommTimeouts(wdata->handle, &cto)) {
- - dio_last_error_php_error(E_WARNING, "SetCommTimeouts() failed:" TSRMLS_CC);
- - CloseHandle(wdata->handle);
- - return 0;
- - }
- -
- - if (!dio_serial_init(data TSRMLS_CC)) {
- - CloseHandle(wdata->handle);
- - return 0;
- - }
- -
- - return 1;
- -}
- -/* }}} */
- -
- -/*
- - * Local variables:
- - * c-basic-offset: 4
- - * tab-width: 4
- - * End:
- - * vim600: fdm=marker
- - * vim: sw=4 ts=4 noet
- - */
- +/*
- + +----------------------------------------------------------------------+
- + | PHP Version 5 |
- + +----------------------------------------------------------------------+
- + | Copyright (c) 2009 Melanie Rhianna Lewis |
- + +----------------------------------------------------------------------+
- + | This source file is subject to version 3.0 of the PHP license, |
- + | that is bundled with this package in the file LICENSE, and is |
- + | available through the world-wide-web at the following url: |
- + | http://www.php.net/license/3_0.txt. |
- + | If you did not receive a copy of the PHP license and are unable to |
- + | obtain it through the world-wide-web, please send a note to |
- + | license@php.net so we can mail you a copy immediately. |
- + +----------------------------------------------------------------------+
- + | Author: Melanie Rhianna Lewis <cyberspice@php.net> |
- + +----------------------------------------------------------------------+
- + */
- +
- +#ifdef HAVE_CONFIG_H
- +#include "config.h"
- +#endif
- +
- +#include "php.h"
- +#include "php_dio_common.h"
- +
- +#ifndef ZEND_WIN32
- +#error ZEND_WIN32 not defined!
- +#endif
- +
- +/* {{{ dio_last_error_php_error
- + * Generates a PHP error message based upon the last Windows error.
- + */
- +static void dio_last_error_php_error(int level, char * message TSRMLS_DC) {
- + LPVOID msgbuf;
- + DWORD msgbuflen;
- + char * errmsg;
- + DWORD err;
- +
- +#ifdef UNICODE
- + DWORD errmsglen;
- +#endif
- +
- + err = GetLastError();
- + msgbuflen = FormatMessage(
- + FORMAT_MESSAGE_ALLOCATE_BUFFER|
- + FORMAT_MESSAGE_FROM_SYSTEM|
- + FORMAT_MESSAGE_IGNORE_INSERTS,
- + NULL,
- + err,
- + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- + (LPTSTR)&msgbuf,
- + 0,
- + NULL);
- +
- +#ifdef UNICODE
- +
- + /* Get the length of the converted message */
- + errmsglen = WideCharToMultibyte(
- + CP_ACP,
- + 0
- + (LPCWSTR)msgbuf,
- + -1,
- + (LPSTR)errmsg,
- + 0,
- + NULL,
- + NULL);
- +
- + /* Allocate a buffer */
- + errmsg = emalloc(errmsglen);
- + if (!errmsg) {
- + php_error_docref(NULL TSRMLS_CC, E_ERROR, "Out of memory in dio_last_error_php_error()!");
- + LocalFree(msgbuf);
- + return;
- + }
- +
- + /* Convert the message */
- + errmsglen = WideCharToMultibyte(
- + CP_ACP,
- + 0
- + (LPCWSTR)msgbuf,
- + -1,
- + (LPSTR)errmsg,
- + errmsglen,
- + NULL,
- + NULL);
- +
- +#else
- + errmsg = (char *)msgbuf;
- +#endif
- +
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s[ERROR %d] %s", message, err, errmsg);
- +
- + LocalFree(msgbuf);
- +#ifdef UNICODE
- + efree(errmsg);
- +#endif
- +}
- +
- +/* {{{ dio_data_rate_to_define
- + * Converts a numeric data rate to a termios define
- + */
- +static int dio_data_rate_to_define(long rate, DWORD *def) {
- + switch (rate) {
- + case 75:
- + case 110:
- + case 134:
- + case 150:
- + case 300:
- + case 600:
- + case 1200:
- + case 1800:
- + case 2400:
- + case 4800:
- + case 7200:
- + case 9600:
- + case 14400:
- + case 19200:
- + case 38400:
- + case 57600:
- + case 115200:
- + case 56000:
- + case 128000:
- + case 256000:
- + break;
- + default:
- + return 0;
- + }
- +
- + *def = (DWORD)rate;
- + return 1;
- +}
- +/* }}} */
- +
- +
- +/* {{{ dio_data_bits_to_define
- + * Converts a number of data bits to a termios define
- + */
- +static int dio_data_bits_to_define(int data_bits, DWORD *def) {
- + switch (data_bits) {
- + case 8:
- + case 7:
- + case 6:
- + case 5:
- + case 4:
- + break;
- + default:
- + return 0;
- + }
- +
- + *def = (DWORD)data_bits;
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_stop_bits_to_define
- + * Converts a number of stop bits to a termios define
- + */
- +static int dio_stop_bits_to_define(int stop_bits, DWORD *def) {
- + DWORD val;
- +
- + switch (stop_bits) {
- + case 1:
- + val = ONESTOPBIT;
- + break;
- + case 2:
- + val = TWOSTOPBITS;
- + break;
- + case 3:
- + val = ONE5STOPBITS;
- + break;
- + default:
- + return 0;
- + }
- +
- + *def = val;
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_parity_to_define
- + * Converts a parity type to a termios define
- + */
- +static int dio_parity_to_define(int parity, DWORD *def) {
- + DWORD val;
- +
- + switch (parity) {
- + case 0:
- + val = NOPARITY;
- + break;
- + case 1:
- + val = ODDPARITY;
- + break;
- + case 2:
- + val = EVENPARITY;
- + break;
- + default:
- + return 0;
- + }
- +
- + *def = val;
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_create_stream_data
- + * Creates an initialised stream data structure. Free with efree().
- + */
- +php_dio_stream_data * dio_create_stream_data(void) {
- + php_dio_win32_stream_data * data = emalloc(sizeof(php_dio_win32_stream_data));
- + memset(data, 0, sizeof(php_dio_win32_stream_data));
- + dio_init_stream_data(&(data->common));
- + data->handle = INVALID_HANDLE_VALUE;
- + data->desired_access = 0;
- + data->creation_disposition = 0;
- + data->olddcb.DCBlength = sizeof(DCB);
- +
- + return (php_dio_stream_data *)data;
- +}
- +/* }}} */
- +
- +/* {{{ dio_common_write
- + * Writes count chars from the buffer to the stream described by the stream data.
- + */
- +size_t dio_common_write(php_dio_stream_data *data, const char *buf, size_t count) {
- + php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- + DWORD total = 0;
- +
- + if (WriteFile(wdata->handle, buf, (DWORD)count, &total, NULL)) {
- + return (size_t)total;
- + }
- +
- + return 0;
- +}
- +/* }}} */
- +
- +/* {{{ dio_buffer_read
- + * Reads any available chars from the canonical buffer.
- + */
- +static size_t dio_buffer_read(php_dio_win32_stream_data *wdata, const char *buf, size_t count) {
- + php_dio_win32_canon_data *canon_data = wdata->canon_data;
- + size_t total = 0;
- +
- + /* Read always follows write. I.e. if read ptr > write ptr buffer has
- + wrapped and so we need to copy two blocks of data. */
- + if (canon_data->read_pos > canon_data->write_pos) {
- +
- + /* Check we actually need to copy both blocks */
- + if ((canon_data->size - canon_data->read_pos) > count) {
- +
- + /* No we don't. Just copy as much as we were asked for. */
- + memcpy((char*)buf,
- + &(canon_data->buf[canon_data->read_pos]),
- + count);
- + /* Update the read pointer. */
- + canon_data->read_pos += count;
- +
- + /* Return the amount read. */
- + return count;
- + } else {
- +
- + /* We need to copy both blocks so copy data up to the end of
- + the buffer. */
- + total = canon_data->size - canon_data->read_pos;
- + memcpy((char*)buf,
- + &(canon_data->buf[canon_data->read_pos]),
- + total);
- + canon_data->read_pos = 0;
- + count -= total;
- +
- + /* Now copy the data from the start of the buffer either up
- + count or the number of bytes in the buffer. */
- +
- + if (canon_data->write_pos > count) {
- + memcpy((char*)buf, canon_data->buf, count);
- + canon_data->read_pos = count;
- + total += count;
- +
- + return total;
- + } else {
- + memcpy((char*)buf, canon_data->buf, canon_data->write_pos);
- + canon_data->read_pos = canon_data->write_pos;
- + total += canon_data->write_pos;
- +
- + return total;
- + }
- + }
- +
- + /* Else if write follows read. This is a simpler case. We just copy
- + either all the data buffered or count, which ever is smaller. */
- + } else if (canon_data->write_pos > canon_data->read_pos) {
- + if ((canon_data->write_pos - canon_data->read_pos) > count) {
- + memcpy((char*)buf,
- + &(canon_data->buf[canon_data->read_pos]),
- + count);
- + canon_data->read_pos += count;
- +
- + return count;
- + } else {
- + total = canon_data->write_pos - canon_data->read_pos;
- + memcpy((char*)buf,
- + &(canon_data->buf[canon_data->read_pos]),
- + total);
- + canon_data->read_pos += total;
- +
- + return total;
- + }
- + }
- +
- + /* Else we need to read more data from the data port. */
- + return 0;
- +}
- +
- +/* {{{ dio_com_read
- + * Read chars from the data port.
- + */
- +static size_t dio_com_read(php_dio_stream_data *data, const char *buf, size_t count) {
- + php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- + DWORD err, total = 0;
- +
- + if (ReadFile(wdata->handle, (void*)buf, (DWORD)count, &total, NULL)) {
- +
- + if (total) {
- + return (size_t)total;
- + }
- +
- + data->end_of_file = 1;
- + }
- +
- + if (!data->end_of_file) {
- + err = GetLastError();
- +
- + if (ERROR_HANDLE_EOF == err) {
- + data->end_of_file = 1;
- + }
- + }
- +
- + return 0;
- +}
- +
- +/* {{{ dio_canonical_read
- + * Reads chars from the input stream until the internal buffer is full or a new
- + * line is reached.
- + */
- +static size_t dio_canonical_read(php_dio_win32_stream_data *wdata, const char *buf, size_t count) {
- + php_dio_win32_canon_data *canon_data = wdata->canon_data;
- + size_t total = 0;
- + char ch;
- +
- + /* See if there's any buffered data and copy it. */
- + total = dio_buffer_read(wdata, buf, count);
- + if (total) {
- + return total;
- + }
- +
- + /* Need to read more data from the data port. Buffer should be empty(er)
- + by now. */
- + do {
- + /* Is the buffer full? */
- + if (((canon_data->write_pos + 1) % canon_data->size) ==
- + canon_data->read_pos) {
- + break;
- + }
- +
- + /* Read a byte from the input checking for EOF. */
- + if (!dio_com_read((php_dio_stream_data*)wdata, &ch, 1)) {
- + break;
- + }
- +
- + /* Translate CR to newlines (same as ICRNL in POSIX) */
- + ch = (ch != '\r') ? ch : '\n';
- +
- + /* We read a character! So buffer it. */
- + canon_data->buf[canon_data->write_pos++] = ch;
- + if (canon_data->write_pos >= canon_data->size) {
- + canon_data->write_pos = 0;
- + }
- +
- + /* End of line/input (^D)? */
- + } while ((ch != '\n') && (ch != 0x04));
- +
- + return dio_buffer_read(wdata, buf, count);
- +}
- +/* }}} */
- +
- +/* {{{ dio_common_read
- + * Reads count chars to the buffer to the stream described by the stream data.
- + */
- +size_t dio_common_read(php_dio_stream_data *data, const char *buf, size_t count) {
- +
- + /* You ask for no bytes you'll get none :-) */
- + if (!count) {
- + return 0;
- + }
- +
- + if (data->canonical) {
- + return dio_canonical_read((php_dio_win32_stream_data*)data, buf, count);
- + } else {
- + return dio_com_read(data, buf, count);
- + }
- +}
- +/* }}} */
- +
- +/* {{{ php_dio_stream_data
- + * Closes the php_stream.
- + */
- +int dio_common_close(php_dio_stream_data *data) {
- + php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- +
- + if (data->canonical) {
- + efree(wdata->canon_data);
- + }
- +
- + if (!CloseHandle(wdata->handle)) {
- + return 0;
- + }
- +
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_common_set_option
- + * Sets/gets stream options
- + */
- +int dio_common_set_option(php_dio_stream_data *data, int option, int value, void *ptrparam) {
- + COMMTIMEOUTS cto = { 0, 0, 0, 0, 0 };
- + int old_is_blocking = 0;
- +
- + /* Can't do timeouts or non blocking with raw windows streams :-( */
- + if (DIO_STREAM_TYPE_SERIAL == data->stream_type) {
- + switch (option) {
- + case PHP_STREAM_OPTION_BLOCKING:
- + old_is_blocking = data->is_blocking;
- + data->is_blocking = value ? 1 : 0;
- +
- + /* Only change values if we need to change them. */
- + if (data->is_blocking != old_is_blocking) {
- + /* If we're not blocking but don't have a timeout
- + set to return immediately */
- + if (!data->is_blocking && !data->has_timeout) {
- + cto.ReadIntervalTimeout = MAXDWORD;
- + }
- +
- + /* If we have a timeout ignore the blocking and set
- + the total time in which to read the data */
- + if (data->has_timeout) {
- + cto.ReadIntervalTimeout = MAXDWORD;
- + cto.ReadTotalTimeoutMultiplier = MAXDWORD;
- + cto.ReadTotalTimeoutConstant = (data->timeout_usec / 1000) +
- + (data->timeout_sec * 1000);
- + }
- +
- + if (!SetCommTimeouts(((php_dio_win32_stream_data*)data)->handle, &cto)) {
- + return PHP_STREAM_OPTION_RETURN_ERR;
- + }
- + }
- + return old_is_blocking ? PHP_STREAM_OPTION_RETURN_OK : PHP_STREAM_OPTION_RETURN_ERR;
- +
- + case PHP_STREAM_OPTION_READ_TIMEOUT:
- + if (ptrparam) {
- + /* struct timeval is supported with PHP_WIN32 defined. */
- + struct timeval *tv = (struct timeval*)ptrparam;
- +
- + /* A timeout of zero seconds and zero microseconds disables
- + any existing timeout. */
- + if (tv->tv_sec || tv->tv_usec) {
- + data->timeout_sec = tv->tv_sec;
- + data->timeout_usec = tv->tv_usec;
- + data->has_timeout = -1;
- +
- + cto.ReadIntervalTimeout = MAXDWORD;
- + cto.ReadTotalTimeoutMultiplier = MAXDWORD;
- + cto.ReadTotalTimeoutConstant = (data->timeout_usec / 1000) +
- + (data->timeout_sec * 1000);
- + } else {
- + data->timeout_sec = 0;
- + data->timeout_usec = 0;
- + data->has_timeout = 0;
- + data->timed_out = 0;
- +
- + /* If we're not blocking but don't have a timeout
- + set to return immediately */
- + if (!data->is_blocking) {
- + cto.ReadIntervalTimeout = MAXDWORD;
- + }
- + }
- +
- + if (!SetCommTimeouts(((php_dio_win32_stream_data*)data)->handle, &cto)) {
- + return PHP_STREAM_OPTION_RETURN_ERR;
- + } else {
- + return PHP_STREAM_OPTION_RETURN_OK;
- + }
- + } else {
- + return PHP_STREAM_OPTION_RETURN_ERR;
- + }
- +
- + default:
- + break;
- + }
- + }
- +
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_raw_open_stream
- + * Opens the underlying stream.
- + */
- +int dio_raw_open_stream(char *filename, char *mode, php_dio_stream_data *data TSRMLS_DC) {
- + php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- + DWORD err;
- +
- + switch(*mode) {
- + case 'r':
- + wdata->creation_disposition = OPEN_EXISTING;
- + break;
- + case 'w':
- + wdata->creation_disposition = TRUNCATE_EXISTING;
- + break;
- + case 'a':
- + wdata->creation_disposition = OPEN_ALWAYS;
- + break;
- + case 'x':
- + wdata->creation_disposition = CREATE_NEW;
- + break;
- + }
- + mode ++;
- +
- + if (*mode && (*mode != '+')) {
- + mode++;
- + }
- +
- + if (*mode && (*mode == '+')) {
- + wdata->desired_access = GENERIC_READ | GENERIC_WRITE;
- + } else if (OPEN_EXISTING == wdata->creation_disposition) {
- + wdata->desired_access = GENERIC_READ;
- + } else {
- + wdata->desired_access = GENERIC_WRITE;
- + }
- +
- + wdata->handle = CreateFile(filename, wdata->desired_access, 0,
- + NULL, wdata->creation_disposition, FILE_ATTRIBUTE_NORMAL, NULL);
- + if (INVALID_HANDLE_VALUE == wdata->handle) {
- + err = GetLastError();
- + switch (err) {
- + case ERROR_FILE_EXISTS:
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "File exists!");
- + return 0;
- +
- + case ERROR_FILE_NOT_FOUND:
- + /* ERROR_FILE_NOT_FOUND with TRUNCATE_EXISTING means that
- + * the file doesn't exist so now try to create it. */
- + if (TRUNCATE_EXISTING == wdata->creation_disposition) {
- + php_error_docref(NULL TSRMLS_CC, E_NOTICE, "File does not exist, creating new file!");
- +
- + wdata->handle = CreateFile(filename, wdata->desired_access, 0,
- + NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
- + if (INVALID_HANDLE_VALUE == wdata->handle) {
- + dio_last_error_php_error(E_WARNING, "CreateFile() failed:" TSRMLS_CC);
- + return 0;
- + }
- + } else {
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "File not found!");
- + return 0;
- + }
- + break;
- +
- + default:
- + dio_last_error_php_error(E_WARNING, "CreateFile() failed:" TSRMLS_CC);
- + return 0;
- + }
- + }
- +
- + /* If canonical allocate the canonical buffer. */
- + if (data->canonical) {
- + wdata->canon_data = emalloc(sizeof(php_dio_win32_canon_data));
- + memset(wdata->canon_data, 0, sizeof(php_dio_win32_canon_data));
- + wdata->canon_data->size = DIO_WIN32_CANON_BUF_SIZE;
- + }
- +
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_serial_init
- + * Initialises the serial port
- + */
- +static int dio_serial_init(php_dio_stream_data *data TSRMLS_DC) {
- + php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- + DWORD rate_def, data_bits_def, stop_bits_def, parity_def;
- + DCB dcb;
- +
- + if (!dio_data_rate_to_define(data->data_rate, &rate_def)) {
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid data_rate value (%d)", data->data_rate);
- + return 0;
- + }
- +
- + if (!dio_data_bits_to_define(data->data_bits, &data_bits_def)) {
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid data_bits value (%d)", data->data_bits);
- + return 0;
- + }
- +
- + if (!dio_stop_bits_to_define(data->stop_bits, &stop_bits_def)) {
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid stop_bits value (%d)", data->stop_bits);
- + return 0;
- + }
- +
- + if (!dio_parity_to_define(data->parity, &parity_def)) {
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid parity value (%d)", data->parity);
- + return 0;
- + }
- +
- + if (!GetCommState(wdata->handle, &(wdata->olddcb))) {
- + dio_last_error_php_error(E_WARNING, "GetCommState() failed:" TSRMLS_CC);
- + return 0;
- + }
- +
- + /* Init the DCB structure */
- + memset(&dcb, 0, sizeof(DCB));
- + dcb.DCBlength = sizeof(DCB);
- +
- + /* Set the communication parameters */
- + dcb.fBinary = 1;
- + dcb.BaudRate = rate_def;
- + dcb.ByteSize = (BYTE)data_bits_def;
- + dcb.StopBits = (BYTE)stop_bits_def;
- + dcb.Parity = (BYTE)parity_def;
- +
- + /* Set the control line parameters */
- + dcb.fDtrControl = DTR_CONTROL_DISABLE;
- + dcb.fDsrSensitivity = FALSE;
- + dcb.fOutxDsrFlow = FALSE;
- + dcb.fTXContinueOnXoff = FALSE;
- + dcb.fOutX = FALSE;
- + dcb.fInX = FALSE;
- + dcb.fErrorChar = FALSE;
- + dcb.fNull = FALSE;
- + dcb.fAbortOnError = FALSE;
- +
- + /* Hardware flow control */
- + if (data->flow_control) {
- + dcb.fOutxCtsFlow = TRUE;
- + dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
- + } else {
- + dcb.fOutxCtsFlow = FALSE;
- + dcb.fRtsControl = RTS_CONTROL_DISABLE;
- + }
- +
- + if (!SetCommState(wdata->handle, &dcb)) {
- + dio_last_error_php_error(E_WARNING, "SetCommState() failed:" TSRMLS_CC);
- + return 0;
- + }
- +
- + return 1;
- +}
- +/* }}} */
- +
- +
- +/* {{{ dio_serial_uninit
- + * Restores the serial settings back to their original state.
- + */
- +int dio_serial_uninit(php_dio_stream_data *data) {
- + php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- +
- + if (!SetCommState(wdata->handle, &(wdata->olddcb))) {
- + return 0;
- + }
- +
- + return 1;
- +}
- +/* }}} */
- +
- +/* {{{ dio_serial_flush
- + * Purges the serial buffers of data.
- + */
- +int dio_serial_purge(php_dio_stream_data *data) {
- + php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- + BOOL ret;
- +
- + /* Purge the canonical buffer if required */
- + if (data->canonical && ((wdata->desired_access & GENERIC_READ) == GENERIC_READ)) {
- + wdata->canon_data->read_pos = 0;
- + wdata->canon_data->write_pos = 0;
- + }
- +
- + /* Purge the com port */
- + if ((wdata->desired_access & (GENERIC_READ|GENERIC_WRITE)) == (GENERIC_READ|GENERIC_WRITE)) {
- + ret = PurgeComm(wdata->handle, PURGE_RXCLEAR|PURGE_TXCLEAR);
- + } else if ((wdata->desired_access & GENERIC_WRITE) == GENERIC_WRITE) {
- + ret = PurgeComm(wdata->handle, PURGE_TXCLEAR);
- + } else if ((wdata->desired_access & GENERIC_READ) == GENERIC_READ) {
- + ret = PurgeComm(wdata->handle, PURGE_RXCLEAR);
- + }
- +
- + return ret;
- +}
- +/* }}} */
- +
- +/* {{{ dio_serial_open_stream
- + * Opens the underlying stream.
- + */
- +int dio_serial_open_stream(char *filename, char *mode, php_dio_stream_data *data TSRMLS_DC) {
- + php_dio_win32_stream_data *wdata = (php_dio_win32_stream_data*)data;
- + COMMTIMEOUTS cto = { 0, 0, 0, 0, 0 };
- +
- + php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Opening \"%s\" as a serial port (mode=\"%s\").", filename, mode);
- +
- + if (*mode != 'r') {
- + php_error_docref(NULL TSRMLS_CC, E_WARNING, "You must open serial ports in read or read/write mode!");
- + return 0;
- + }
- +
- + if (!dio_raw_open_stream(filename, mode, data TSRMLS_CC)) {
- + return 0;
- + }
- +
- + if (!GetCommTimeouts(wdata->handle, &(wdata->oldcto))) {
- + dio_last_error_php_error(E_WARNING, "GetCommTimeouts() failed (Not a comm port?):" TSRMLS_CC);
- + CloseHandle(wdata->handle);
- + return 0;
- + }
- +
- + /* If we're not blocking but don't have a timeout
- + set to return immediately */
- + if (!data->is_blocking && !data->has_timeout) {
- + cto.ReadIntervalTimeout = MAXDWORD;
- + }
- +
- + /* If we have a timeout ignore the blocking and set
- + the total time in which to read the data */
- + if (data->has_timeout) {
- + cto.ReadIntervalTimeout = MAXDWORD;
- + cto.ReadTotalTimeoutMultiplier = MAXDWORD;
- + cto.ReadTotalTimeoutConstant = (data->timeout_usec / 1000) +
- + (data->timeout_sec * 1000);
- + }
- +
- + if (!SetCommTimeouts(wdata->handle, &cto)) {
- + dio_last_error_php_error(E_WARNING, "SetCommTimeouts() failed:" TSRMLS_CC);
- + CloseHandle(wdata->handle);
- + return 0;
- + }
- +
- + if (!dio_serial_init(data TSRMLS_CC)) {
- + CloseHandle(wdata->handle);
- + return 0;
- + }
- +
- + return 1;
- +}
- +/* }}} */
- +
- +/*
- + * Local variables:
- + * c-basic-offset: 4
- + * tab-width: 4
- + * End:
- + * vim600: fdm=marker
- + * vim: sw=4 ts=4 noet
- + */
- --- a/php_dio_posix.h
- +++ b/php_dio_posix.h
- @@ -1,70 +1,70 @@
- -/*
- - +----------------------------------------------------------------------+
- - | PHP Version 5 |
- - +----------------------------------------------------------------------+
- - | Copyright (c) 2009 Melanie Rhianna Lewis |
- - +----------------------------------------------------------------------+
- - | This source file is subject to version 3.0 of the PHP license, |
- - | that is bundled with this package in the file LICENSE, and is |
- - | available through the world-wide-web at the following url: |
- - | http://www.php.net/license/3_0.txt. |
- - | If you did not receive a copy of the PHP license and are unable to |
- - | obtain it through the world-wide-web, please send a note to |
- - | license@php.net so we can mail you a copy immediately. |
- - +----------------------------------------------------------------------+
- - | Author: Melanie Rhianna Lewis <cyberspice@php.net> |
- - +----------------------------------------------------------------------+
- - */
- -
- -#ifndef PHP_DIO_POSIX_H_
- -#define PHP_DIO_POSIX_H_
- -
- -#include <sys/stat.h>
- -#include <sys/types.h>
- -#include <sys/select.h>
- -#include <sys/time.h>
- -
- -#ifdef HAVE_UNISTD_H
- -#include <unistd.h>
- -#endif
- -
- -#include <fcntl.h>
- -#include <termios.h>
- -
- -
- -/**
- +/*
- + +----------------------------------------------------------------------+
- + | PHP Version 5 |
- + +----------------------------------------------------------------------+
- + | Copyright (c) 2009 Melanie Rhianna Lewis |
- + +----------------------------------------------------------------------+
- + | This source file is subject to version 3.0 of the PHP license, |
- + | that is bundled with this package in the file LICENSE, and is |
- + | available through the world-wide-web at the following url: |
- + | http://www.php.net/license/3_0.txt. |
- + | If you did not receive a copy of the PHP license and are unable to |
- + | obtain it through the world-wide-web, please send a note to |
- + | license@php.net so we can mail you a copy immediately. |
- + +----------------------------------------------------------------------+
- + | Author: Melanie Rhianna Lewis <cyberspice@php.net> |
- + +----------------------------------------------------------------------+
- + */
- +
- +#ifndef PHP_DIO_POSIX_H_
- +#define PHP_DIO_POSIX_H_
- +
- +#include <sys/stat.h>
- +#include <sys/types.h>
- +#include <sys/select.h>
- +#include <sys/time.h>
- +
- +#ifdef HAVE_UNISTD_H
- +#include <unistd.h>
- +#endif
- +
- +#include <fcntl.h>
- +#include <termios.h>
- +
- +
- +/**
- * Detect if we can support non blocking IO.
- - */
- -#ifdef O_NONBLOCK
- -#define DIO_NONBLOCK O_NONBLOCK
- -#else
- -#ifdef O_NDELAY
- -#define DIO_NONBLOCK O_NDELAY
- -#endif
- -#endif
- -
- -/**
- + */
- +#ifdef O_NONBLOCK
- +#define DIO_NONBLOCK O_NONBLOCK
- +#else
- +#ifdef O_NDELAY
- +#define DIO_NONBLOCK O_NDELAY
- +#endif
- +#endif
- +
- +/**
- * POSIXy platforms have file permissions
- - */
- -#define DIO_HAS_FILEPERMS
- -
- -#include "php_dio_common_data.h"
- -
- -typedef struct _php_dio_posix_stream_data {
- - php_dio_stream_data common;
- - int fd;
- - int flags;
- - /* Serial options */
- - struct termios oldtio;
- -} php_dio_posix_stream_data ;
- -
- -#endif /* PHP_DIO_POSIX_H_ */
- -
- -/*
- - * Local variables:
- - * c-basic-offset: 4
- - * tab-width: 4
- - * End:
- - * vim600: fdm=marker
- - * vim: sw=4 ts=4 noet
- - */
- + */
- +#define DIO_HAS_FILEPERMS
- +
- +#include "php_dio_common_data.h"
- +
- +typedef struct _php_dio_posix_stream_data {
- + php_dio_stream_data common;
- + int fd;
- + int flags;
- + /* Serial options */
- + struct termios oldtio;
- +} php_dio_posix_stream_data ;
- +
- +#endif /* PHP_DIO_POSIX_H_ */
- +
- +/*
- + * Local variables:
- + * c-basic-offset: 4
- + * tab-width: 4
- + * End:
- + * vim600: fdm=marker
- + * vim: sw=4 ts=4 noet
- + */
- --- a/php_dio_win32.h
- +++ b/php_dio_win32.h
- @@ -1,62 +1,62 @@
- -/*
- - +----------------------------------------------------------------------+
- - | PHP Version 5 |
- - +----------------------------------------------------------------------+
- - | Copyright (c) 2009 Melanie Rhianna Lewis |
- - +----------------------------------------------------------------------+
- - | This source file is subject to version 3.0 of the PHP license, |
- - | that is bundled with this package in the file LICENSE, and is |
- - | available through the world-wide-web at the following url: |
- - | http://www.php.net/license/3_0.txt. |
- - | If you did not receive a copy of the PHP license and are unable to |
- - | obtain it through the world-wide-web, please send a note to |
- - | license@php.net so we can mail you a copy immediately. |
- - +----------------------------------------------------------------------+
- - | Author: Melanie Rhianna Lewis <cyberspice@php.net> |
- - +----------------------------------------------------------------------+
- - */
- -
- -#ifndef PHP_DIO_WIN32_H_
- -#define PHP_DIO_WIN32_H_
- -
- -#include <windows.h>
- -
- -/* Windows platform can do non blocking. */
- -#define DIO_NONBLOCK
- -
- -#include "php_dio_common_data.h"
- -
- -#define DIO_WIN32_CANON_BUF_SIZE 8192
- -
- -/* This is the buffer information when reading in canonical mode. Data is
- - read right up to either buffer being full or a newline being read. Excess
- - data will be retained in the buffer until the next read. */
- -typedef struct _php_dio_win32_canon_data {
- - size_t size;
- - size_t read_pos;
- - size_t write_pos;
- - char buf[DIO_WIN32_CANON_BUF_SIZE];
- -
- -} php_dio_win32_canon_data;
- -
- -typedef struct _php_dio_win32_stream_data {
- - php_dio_stream_data common;
- - HANDLE handle;
- - DWORD desired_access;
- - DWORD creation_disposition;
- - DCB olddcb;
- - COMMTIMEOUTS oldcto;
- - php_dio_win32_canon_data *canon_data;
- -
- -} php_dio_win32_stream_data ;
- -
- -#endif /* PHP_DIO_WIN32_H_ */
- -
- -/*
- - * Local variables:
- - * c-basic-offset: 4
- - * tab-width: 4
- - * End:
- - * vim600: fdm=marker
- - * vim: sw=4 ts=4 noet
- - */
- +/*
- + +----------------------------------------------------------------------+
- + | PHP Version 5 |
- + +----------------------------------------------------------------------+
- + | Copyright (c) 2009 Melanie Rhianna Lewis |
- + +----------------------------------------------------------------------+
- + | This source file is subject to version 3.0 of the PHP license, |
- + | that is bundled with this package in the file LICENSE, and is |
- + | available through the world-wide-web at the following url: |
- + | http://www.php.net/license/3_0.txt. |
- + | If you did not receive a copy of the PHP license and are unable to |
- + | obtain it through the world-wide-web, please send a note to |
- + | license@php.net so we can mail you a copy immediately. |
- + +----------------------------------------------------------------------+
- + | Author: Melanie Rhianna Lewis <cyberspice@php.net> |
- + +----------------------------------------------------------------------+
- + */
- +
- +#ifndef PHP_DIO_WIN32_H_
- +#define PHP_DIO_WIN32_H_
- +
- +#include <windows.h>
- +
- +/* Windows platform can do non blocking. */
- +#define DIO_NONBLOCK
- +
- +#include "php_dio_common_data.h"
- +
- +#define DIO_WIN32_CANON_BUF_SIZE 8192
- +
- +/* This is the buffer information when reading in canonical mode. Data is
- + read right up to either buffer being full or a newline being read. Excess
- + data will be retained in the buffer until the next read. */
- +typedef struct _php_dio_win32_canon_data {
- + size_t size;
- + size_t read_pos;
- + size_t write_pos;
- + char buf[DIO_WIN32_CANON_BUF_SIZE];
- +
- +} php_dio_win32_canon_data;
- +
- +typedef struct _php_dio_win32_stream_data {
- + php_dio_stream_data common;
- + HANDLE handle;
- + DWORD desired_access;
- + DWORD creation_disposition;
- + DCB olddcb;
- + COMMTIMEOUTS oldcto;
- + php_dio_win32_canon_data *canon_data;
- +
- +} php_dio_win32_stream_data ;
- +
- +#endif /* PHP_DIO_WIN32_H_ */
- +
- +/*
- + * Local variables:
- + * c-basic-offset: 4
- + * tab-width: 4
- + * End:
- + * vim600: fdm=marker
- + * vim: sw=4 ts=4 noet
- + */
|