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-rw-r--r--program/lib/Net/Socket.php98
1 files changed, 64 insertions, 34 deletions
diff --git a/program/lib/Net/Socket.php b/program/lib/Net/Socket.php
index dd1047c43..e8a22d014 100644
--- a/program/lib/Net/Socket.php
+++ b/program/lib/Net/Socket.php
@@ -77,11 +77,11 @@ class Net_Socket extends PEAR
var $port = 0;
/**
- * Number of seconds to wait on socket connections before assuming
+ * Number of seconds to wait on socket operations before assuming
* there's no more data. Defaults to no timeout.
- * @var integer $timeout
+ * @var integer|float $timeout
*/
- var $timeout = false;
+ var $timeout = null;
/**
* Number of bytes to read at a time in readLine() and
@@ -105,7 +105,7 @@ class Net_Socket extends PEAR
* @param boolean $persistent (optional) Whether the connection is
* persistent (kept open between requests
* by the web server).
- * @param integer $timeout (optional) How long to wait for data.
+ * @param integer $timeout (optional) Connection socket timeout.
* @param array $options See options for stream_context_create.
*
* @access public
@@ -122,9 +122,9 @@ class Net_Socket extends PEAR
if (!$addr) {
return $this->raiseError('$addr cannot be empty');
- } elseif (strspn($addr, '.0123456789') == strlen($addr) ||
+ } elseif (strspn($addr, ':.0123456789') == strlen($addr) ||
strstr($addr, '/') !== false) {
- $this->addr = $addr;
+ $this->addr = substr($addr, ':') ? '['.$addr.']' : $addr;
} else {
$this->addr = @gethostbyname($addr);
}
@@ -135,22 +135,17 @@ class Net_Socket extends PEAR
$this->persistent = $persistent;
}
- if ($timeout !== null) {
- $this->timeout = $timeout;
- }
-
$openfunc = $this->persistent ? 'pfsockopen' : 'fsockopen';
$errno = 0;
$errstr = '';
$old_track_errors = @ini_set('track_errors', 1);
+ if ($timeout <= 0) {
+ $timeout = @ini_get('default_socket_timeout');
+ }
+
if ($options && function_exists('stream_context_create')) {
- if ($this->timeout) {
- $timeout = $this->timeout;
- } else {
- $timeout = 0;
- }
$context = stream_context_create($options);
// Since PHP 5 fsockopen doesn't allow context specification
@@ -169,12 +164,7 @@ class Net_Socket extends PEAR
$errstr, $timeout, $context);
}
} else {
- if ($this->timeout) {
- $fp = @$openfunc($this->addr, $this->port, $errno,
- $errstr, $this->timeout);
- } else {
- $fp = @$openfunc($this->addr, $this->port, $errno, $errstr);
- }
+ $fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $timeout);
}
if (!$fp) {
@@ -187,7 +177,7 @@ class Net_Socket extends PEAR
@ini_set('track_errors', $old_track_errors);
$this->fp = $fp;
-
+ $this->setTimeout();
return $this->setBlocking($this->blocking);
}
@@ -258,18 +248,26 @@ class Net_Socket extends PEAR
* expressed in the sum of seconds and microseconds
*
* @param integer $seconds Seconds.
- * @param integer $microseconds Microseconds.
+ * @param integer $microseconds Microseconds, optional.
*
* @access public
- * @return mixed true on success or a PEAR_Error instance otherwise
+ * @return mixed True on success or false on failure or
+ * a PEAR_Error instance when not connected
*/
- function setTimeout($seconds, $microseconds)
+ function setTimeout($seconds = null, $microseconds = null)
{
if (!is_resource($this->fp)) {
return $this->raiseError('not connected');
}
- return socket_set_timeout($this->fp, $seconds, $microseconds);
+ if ($seconds === null && $microseconds === null) {
+ $seconds = (int) $this->timeout;
+ $microseconds = (int) (($this->timeout - $seconds) * 1000000);
+ } else {
+ $this->timeout = $seconds + $microseconds/1000000;
+ }
+
+ return stream_set_timeout($this->fp, (int) $seconds, (int) $microseconds);
}
/**
@@ -315,17 +313,20 @@ class Net_Socket extends PEAR
return $this->raiseError('not connected');
}
- return socket_get_status($this->fp);
+ return stream_get_meta_data($this->fp);
}
/**
* Get a specified line of data
*
- * @param int $size ??
+ * @param int $size Reading ends when size - 1 bytes have been read,
+ * or a newline or an EOF (whichever comes first).
+ * If no size is specified, it will keep reading from
+ * the stream until it reaches the end of the line.
*
* @access public
- * @return $size bytes of data from the socket, or a PEAR_Error if
- * not connected.
+ * @return mixed $size bytes of data from the socket, or a PEAR_Error if
+ * not connected. If an error occurs, FALSE is returned.
*/
function gets($size = null)
{
@@ -370,9 +371,10 @@ class Net_Socket extends PEAR
*
* @access public
* @return mixed If the socket is not connected, returns an instance of
- * PEAR_Error
- * If the write succeeds, returns the number of bytes written
+ * PEAR_Error.
+ * If the write succeeds, returns the number of bytes written.
* If the write fails, returns false.
+ * If the socket times out, returns an instance of PEAR_Error.
*/
function write($data, $blocksize = null)
{
@@ -381,7 +383,22 @@ class Net_Socket extends PEAR
}
if (is_null($blocksize) && !OS_WINDOWS) {
- return @fwrite($this->fp, $data);
+ $written = @fwrite($this->fp, $data);
+
+ // Check for timeout or lost connection
+ if (!$written) {
+ $meta_data = $this->getStatus();
+
+ if (!is_array($meta_data)) {
+ return $meta_data; // PEAR_Error
+ }
+
+ if (!empty($meta_data['timed_out'])) {
+ return $this->raiseError('timed out');
+ }
+ }
+
+ return $written;
} else {
if (is_null($blocksize)) {
$blocksize = 1024;
@@ -391,9 +408,22 @@ class Net_Socket extends PEAR
$size = strlen($data);
while ($pos < $size) {
$written = @fwrite($this->fp, substr($data, $pos, $blocksize));
+
+ // Check for timeout or lost connection
if (!$written) {
+ $meta_data = $this->getStatus();
+
+ if (!is_array($meta_data)) {
+ return $meta_data; // PEAR_Error
+ }
+
+ if (!empty($meta_data['timed_out'])) {
+ return $this->raiseError('timed out');
+ }
+
return $written;
}
+
$pos += $written;
}
@@ -407,7 +437,7 @@ class Net_Socket extends PEAR
* @param string $data Data to write
*
* @access public
- * @return mixed fputs result, or an error
+ * @return mixed fwrite() result, or PEAR_Error when not connected
*/
function writeLine($data)
{