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updated redisent to make it redis 2.2 compatible

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This commit is contained in:
Oleg Topchiy 2011-02-25 21:41:54 +02:00
parent 4bc96dd88c
commit d39a5f57d6
1 changed files with 111 additions and 106 deletions
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217
lib/Redisent/Redisent.php
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@ -20,118 +20,123 @@ class RedisException extends Exception {
*/ */
class Redisent { class Redisent {
/** /**
* Socket connection to the Redis server * Socket connection to the Redis server
* @var resource * @var resource
* @access private * @access private
*/ */
private $__sock; private $__sock;
/** /**
* Redis bulk commands, they are sent in a slightly different format to the server * Host of the Redis server
* @var array * @var string
* @access private * @access public
*/ */
private $bulk_cmds = array( public $host;
'SET', 'GETSET', 'SETNX', 'ECHO',
'RPUSH', 'LPUSH', 'LSET', 'LREM',
'SADD', 'SREM', 'SMOVE', 'SISMEMBER'
);
/** /**
* Creates a Redisent connection to the Redis server on host {@link $host} and port {@link $port}. * Port on which the Redis server is running
* @param string $host The hostname of the Redis server * @var integer
* @param integer $port The port number of the Redis server * @access public
*/ */
function __construct($host, $port = 6379) { public $port;
$this->__sock = fsockopen($host, $port, $errno, $errstr);
if (!$this->__sock) {
throw new Exception("{$errno} - {$errstr}");
}
}
function __destruct() { /**
fclose($this->__sock); * Creates a Redisent connection to the Redis server on host {@link $host} and port {@link $port}.
} * @param string $host The hostname of the Redis server
* @param integer $port The port number of the Redis server
*/
function __construct($host, $port = 6379) {
$this->host = $host;
$this->port = $port;
$this->__sock = fsockopen($this->host, $this->port, $errno, $errstr);
if (!$this->__sock) {
throw new \Exception("{$errno} - {$errstr}");
}
}
function __call($name, $args) { function __destruct() {
fclose($this->__sock);
}
/* Build the Redis protocol command */ function __call($name, $args) {
$name = strtoupper($name);
if (in_array($name, $this->bulk_cmds)) {
$value = array_pop($args);
$command = sprintf("%s %s %d%s%s%s", $name, trim(implode(' ', $args)), strlen($value), CRLF, $value, CRLF);
}
else {
$command = sprintf("%s %s%s", $name, trim(implode(' ', $args)), CRLF);
}
/* Open a Redis connection and execute the command */ /* Build the Redis unified protocol command */
fwrite($this->__sock, $command); array_unshift($args, strtoupper($name));
$command = sprintf('*%d%s%s%s', count($args), CRLF, implode(array_map(function($arg) {
return sprintf('$%d%s%s', strlen($arg), CRLF, $arg);
}, $args), CRLF), CRLF);
/* Parse the response based on the reply identifier */ /* Open a Redis connection and execute the command */
$reply = trim(fgets($this->__sock, 512)); for ($written = 0; $written < strlen($command); $written += $fwrite) {
switch (substr($reply, 0, 1)) { $fwrite = fwrite($this->__sock, substr($command, $written));
/* Error reply */ if ($fwrite === FALSE) {
case '-': throw new \Exception('Failed to write entire command to stream');
echo $command."\n"; }
throw new RedisException(substr(trim($reply), 4)); }
break;
/* Inline reply */ /* Parse the response based on the reply identifier */
case '+': $reply = trim(fgets($this->__sock, 512));
$response = substr(trim($reply), 1); switch (substr($reply, 0, 1)) {
break; /* Error reply */
/* Bulk reply */ case '-':
case '$': throw new RedisException(substr(trim($reply), 4));
$response = null; break;
if ($reply == '$-1') { /* Inline reply */
break; case '+':
} $response = substr(trim($reply), 1);
$read = 0; break;
$size = substr($reply, 1); /* Bulk reply */
do { case '$':
$block_size = ($size - $read) > 1024 ? 1024 : ($size - $read); $response = null;
$response .= fread($this->__sock, $block_size); if ($reply == '$-1') {
$read += $block_size; break;
} while ($read < $size); }
fread($this->__sock, 2); /* discard crlf */ $read = 0;
break; $size = substr($reply, 1);
/* Multi-bulk reply */ do {
case '*': $block_size = ($size - $read) > 1024 ? 1024 : ($size - $read);
$count = substr($reply, 1); $response .= fread($this->__sock, $block_size);
if ($count == '-1') { $read += $block_size;
return null; } while ($read < $size);
} fread($this->__sock, 2); /* discard crlf */
$response = array(); break;
for ($i = 0; $i < $count; $i++) { /* Multi-bulk reply */
$bulk_head = trim(fgets($this->__sock, 512)); case '*':
$size = substr($bulk_head, 1); $count = substr($reply, 1);
if ($size == '-1') { if ($count == '-1') {
$response[] = null; return null;
} }
else { $response = array();
$read = 0; for ($i = 0; $i < $count; $i++) {
$block = ""; $bulk_head = trim(fgets($this->__sock, 512));
do { $size = substr($bulk_head, 1);
$block_size = ($size - $read) > 1024 ? 1024 : ($size - $read); if ($size == '-1') {
$block .= fread($this->__sock, $block_size); $response[] = null;
$read += $block_size; }
} while ($read < $size); else {
fread($this->__sock, 2); /* discard crlf */ $read = 0;
$response[] = $block; $block = "";
} do {
} $block_size = ($size - $read) > 1024 ? 1024 : ($size - $read);
break; $block .= fread($this->__sock, $block_size);
/* Integer reply */ $read += $block_size;
case ':': } while ($read < $size);
$response = substr(trim($reply), 1); fread($this->__sock, 2); /* discard crlf */
break; $response[] = $block;
default: }
throw new RedisException("invalid server response: {$reply}"); }
break; break;
} /* Integer reply */
/* Party on */ case ':':
return $response; $response = intval(substr(trim($reply), 1));
} break;
default:
throw new RedisException("invalid server response: {$reply}");
break;
}
/* Party on */
return $response;
}
} }