LILiK
/
openwrt-packages-dist
5
0
Fork 0
Code Issues 0 Pull Requests 0 Projects 0 Releases 0 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
6429 Commits
1 Branch
46 MiB
 
 
 
 
 
 
Tree: 9baa2e6e8b
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '9baa2e6e8b'
${ noResults }
openwrt-packages-dist/lang/php7-pecl-dio/patches/0000-unify-line-endings.patch

3110 lines
80 KiB
Raw Blame History

--- 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
+ */