function file_write($path, $data, $simple = false, $skip_purge = false)
{
global $config, $debug;
if (preg_match('/^remote:\\/\\/(.+)\\:(.+)$/', $path, $m)) {
if (isset($config['remote'][$m[1]])) {
require_once 'inc/remote.php';
$remote = new Remote($config['remote'][$m[1]]);
$remote->write($data, $m[2]);
return;
} else {
error('Invalid remote server: ' . $m[1]);
}
}
if (!function_exists("dio_truncate")) {
if (!($fp = fopen($path, $simple ? 'w' : 'c'))) {
error('Unable to open file for writing: ' . $path);
}
// File locking
if (!$simple && !flock($fp, LOCK_EX)) {
error('Unable to lock file: ' . $path);
}
// Truncate file
if (!$simple && !ftruncate($fp, 0)) {
error('Unable to truncate file: ' . $path);
}
// Write data
if (($bytes = fwrite($fp, $data)) === false) {
error('Unable to write to file: ' . $path);
}
// Unlock
if (!$simple) {
flock($fp, LOCK_UN);
}
// Close
if (!fclose($fp)) {
error('Unable to close file: ' . $path);
}
} else {
if (!($fp = dio_open($path, O_WRONLY | O_CREAT, 0644))) {
error('Unable to open file for writing: ' . $path);
}
// File locking
if (dio_fcntl($fp, F_SETLKW, array('type' => F_WRLCK)) === -1) {
error('Unable to lock file: ' . $path);
}
// Truncate file
if (!dio_truncate($fp, 0)) {
error('Unable to truncate file: ' . $path);
}
// Write data
if (($bytes = dio_write($fp, $data)) === false) {
error('Unable to write to file: ' . $path);
}
// Unlock
dio_fcntl($fp, F_SETLK, array('type' => F_UNLCK));
// Close
dio_close($fp);
}
/**
* Create gzipped file.
*
* When writing into a file foo.bar and the size is larger or equal to 1
* KiB, this also produces the gzipped version foo.bar.gz
*
* This is useful with nginx with gzip_static on.
*/
if ($config['gzip_static']) {
$gzpath = "{$path}.gz";
if ($bytes & ~0x3ff) {
// if ($bytes >= 1024)
if (file_put_contents($gzpath, gzencode($data), $simple ? 0 : LOCK_EX) === false) {
error("Unable to write to file: {$gzpath}");
}
if (!touch($gzpath, filemtime($path), fileatime($path))) {
error("Unable to touch file: {$gzpath}");
}
} else {
@unlink($gzpath);
}
}
if (!$skip_purge && isset($config['purge'])) {
// Purge cache
if (basename($path) == $config['file_index']) {
// Index file (/index.html); purge "/" as well
$uri = dirname($path);
// root
if ($uri == '.') {
$uri = '';
} else {
$uri .= '/';
}
purge($uri);
}
purge($path);
}
if ($config['debug']) {
$debug['write'][] = $path . ': ' . $bytes . ' bytes';
}
event('write', $path);
}
}
if (!extension_loaded('dio')) {
echoFlush("PHP Direct IO does not appear to be installed for more info see: http://www.php.net/manual/en/book.dio.php");
exit;
}
try {
//the serial port resource
$bbSerialPort;
echoFlush("Connecting to serial port: {$portName}");
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
$bbSerialPort = dio_open($portName, O_RDWR);
//we're on windows configure com port from command line
exec("mode {$portName} baud={$baudRate} data={$bits} stop={$spotBit} parity=n xon=on");
} else {
$bbSerialPort = dio_open($portName, O_RDWR | O_NOCTTY | O_NONBLOCK);
dio_fcntl($bbSerialPort, F_SETFL, O_SYNC);
//we're on 'nix configure com from php direct io function
dio_tcsetattr($bbSerialPort, array('baud' => $baudRate, 'bits' => $bits, 'stop' => $spotBit, 'parity' => 0));
}
if (!$bbSerialPort) {
echoFlush("Could not open Serial port {$portName} ");
exit;
}
// send data
$dataToSend = "4 ";
echoFlush("Writing to serial port data: \"{$dataToSend}\"");
$bytesSent = dio_write($bbSerialPort, $dataToSend);
echoFlush("Sent: {$bytesSent} bytes");
/*
//date_default_timezone_set ("Europe/London");
<?php
$fd = dio_open('/dev/ttyS0', O_RDWR | O_NOCTTY | O_NONBLOCK);
dio_fcntl($fd, F_SETFL, O_SYNC);
dio_tcsetattr($fd, array('baud' => 9600, 'bits' => 8, 'stop' => 1, 'parity' => 0));
while (1) {
$data = dio_read($fd, 256);
if ($data) {
echo $data;
}
}
function bbc_write_entry()
{
global $BBC_CACHE_PATH;
$file = $this->filename;
$base = basename($file);
if (!is_readable($file)) {
return array($base, "r");
}
if (!is_writable($file)) {
return array($base, "w");
}
$fp = defined("_BBC_DIO") ? dio_open($file, O_RDWR | O_APPEND) : fopen($file, "ab+");
if (defined("_BBC_DIO") && dio_fcntl($fp, F_SETLK, 1) !== -1) {
dio_write($fp, $this->string);
dio_fcntl($fp, F_SETLK, 0);
$ok = 1;
} else {
if (defined("_BBC_SEM") ? $id = bbc_semlock($file) : flock($fp, LOCK_EX)) {
fputs($fp, $this->string);
fflush($fp);
defined("_BBC_SEM") ? sem_release($id) : flock($fp, LOCK_UN);
$ok = 1;
}
}
defined("_BBC_DIO") ? dio_close($fp) : fclose($fp);
return isset($ok) ? array($base, "o") : array($base, "l");
}
public function __construct($device, $flags = 02)
{
// Attempt to set device...
if (!$this->set_device($device)) {
throw new \Exception("Unable to set device for serial connection");
}
// Check if Direct IO extension installed
if (!function_exists("dio_open")) {
throw new \Exception("PHP Direct IO is not installed, cannot open serial connection!");
}
// Create direct IO file handle with specified flags
$this->serial = dio_open($device, $flags);
// Set synchronous IO
dio_fcntl($this->serial, F_SETFL, O_SYNC);
// Set options default
$options = array("baud" => self::DEFAULT_BAUD, "bits" => self::DEFAULT_BITS, "stop" => self::DEFAULT_STOP, "parity" => self::DEFAULT_PARITY);
$this->set_options($options);
return;
}
function bbc_end_write($fp)
{
if (defined("_BBC_SEM") ? !is_array($fp) || $fp[0] === false : $fp === false) {
return false;
}
if (defined("_BBC_DIO")) {
dio_fcntl($fp, F_SETLK, 0);
dio_close($fp);
} else {
defined("_BBC_SEM") ? sem_release($fp[1]) : flock($fp, LOCK_UN);
fclose(defined("_BBC_SEM") ? $fp[0] : $fp);
}
return true;
}
function file_write($path, $data, $simple = false, $skip_purge = false)
{
global $config, $debug;
//echo "file_write($path, ", strlen($data), ", $simple, $skip_purge)<br>\n";
$board = '';
if (strpos($path, '/') !== false) {
$parts = explode('/', $path, 2);
$board = $parts[0];
}
$useCache = true;
$useFile = false;
if ($path == 'main.js') {
$useCache = false;
$useFile = true;
}
if ($board && $useCache) {
if (!isset($config['cache']['odiliMagicBoards'][$board])) {
$useCache = false;
$useFile = true;
} else {
$type = strtolower($config['cache']['odiliMagicBoards'][$board]);
if ($type === 'hybrid') {
$useFile = true;
$useCache = true;
} elseif ($type === 'memory') {
// defaults will be fine
$useCache = true;
$useFile = false;
} else {
$useCache = false;
$useFile = true;
}
}
}
if ($useCache) {
Cache::store('vichan_filecache_' . $path, $data, -1);
if ($config['gzip_static']) {
$bytes = strlen($data);
if ($bytes & ~0x3ff) {
Cache::store('vichan_filecache_' . $path . '.gz', gzencode($data), -1);
} else {
Cache::delete('vichan_filecache_' . $path . '.gz');
}
}
}
if (preg_match('/^remote:\\/\\/(.+)\\:(.+)$/', $path, $m)) {
if (isset($config['remote'][$m[1]])) {
require_once 'inc/remote.php';
$remote = new Remote($config['remote'][$m[1]]);
$remote->write($data, $m[2]);
return;
} else {
error('Invalid remote server: ' . $m[1]);
}
}
if ($useFile) {
if (!function_exists("dio_truncate")) {
if (!($fp = fopen($path, $simple ? 'w' : 'c'))) {
error('Unable to open file for writing: ' . $path);
}
// File locking
if (!$simple && !flock($fp, LOCK_EX)) {
error('Unable to lock file: ' . $path);
}
// Truncate file
if (!$simple && !ftruncate($fp, 0)) {
error('Unable to truncate file: ' . $path);
}
// Write data
if (($bytes = fwrite($fp, $data)) === false) {
error('Unable to write to file: ' . $path);
}
// Unlock
if (!$simple) {
flock($fp, LOCK_UN);
}
// Close
if (!fclose($fp)) {
error('Unable to close file: ' . $path);
}
} else {
if (!($fp = dio_open($path, O_WRONLY | O_CREAT, 0644))) {
error('Unable to open file for writing: ' . $path);
}
// File locking
if (dio_fcntl($fp, F_SETLKW, array('type' => F_WRLCK)) === -1) {
error('Unable to lock file: ' . $path);
}
// Truncate file
if (!dio_truncate($fp, 0)) {
error('Unable to truncate file: ' . $path);
}
// Write data
if (($bytes = dio_write($fp, $data)) === false) {
error('Unable to write to file: ' . $path);
}
// Unlock
dio_fcntl($fp, F_SETLK, array('type' => F_UNLCK));
// Close
dio_close($fp);
}
/**
* Create gzipped file.
*
* When writing into a file foo.bar and the size is larger or equal to 1
* KiB, this also produces the gzipped version foo.bar.gz
*
* This is useful with nginx with gzip_static on.
*/
if ($config['gzip_static']) {
$gzpath = "{$path}.gz";
if ($bytes & ~0x3ff) {
// if ($bytes >= 1024)
if (file_put_contents($gzpath, gzencode($data), $simple ? 0 : LOCK_EX) === false) {
error("Unable to write to file: {$gzpath}");
}
if (!touch($gzpath, filemtime($path), fileatime($path))) {
error("Unable to touch file: {$gzpath}");
}
} else {
@unlink($gzpath);
}
}
}
if (!$skip_purge && isset($config['purge'])) {
// Purge cache
if (basename($path) == $config['file_index']) {
// Index file (/index.html); purge "/" as well
$uri = dirname($path);
// root
if ($uri == '.') {
$uri = '';
} else {
$uri .= '/';
}
purge($uri);
}
purge($path);
}
if ($config['debug']) {
$bytes = strlen($data);
$debug['write'][] = $path . ': ' . $bytes . ' bytes';
}
event('write', $path);
}