/**
* {@inheritdoc}
*/
public function getConnection(ICommand $command)
{
$cmdHash = $command->getHash($this->_distributor);
if (isset($cmdHash)) {
return $this->_distributor->get($cmdHash);
}
throw new ClientException(sprintf("Cannot send '%s' commands to a cluster of connections", $command->getId()));
}
private function storeDebug(ICommand $command, $direction)
{
$firtsArg = $command->getArgument(0);
$timestamp = round(microtime(true) - $this->tstart, 4);
$debug = $command->getId();
$debug .= isset($firtsArg) ? " {$firtsArg} " : ' ';
$debug .= "{$direction} {$this}";
$debug .= " [{$timestamp}s]";
$this->debugBuffer[] = $debug;
}
/**
* {@inheritdoc}
*/
public function serialize(ICommand $command)
{
$commandId = $command->getId();
$arguments = $command->getArguments();
$cmdlen = strlen($commandId);
$reqlen = count($arguments) + 1;
$buffer = "*{$reqlen}\r\n\${$cmdlen}\r\n{$commandId}\r\n";
for ($i = 0; $i < $reqlen - 1; $i++) {
$argument = $arguments[$i];
$arglen = strlen($argument);
$buffer .= "\${$arglen}\r\n{$argument}\r\n";
}
return $buffer;
}
/**
* Checks if the specified command is supported by this connection class.
*
* @param ICommand $command The instance of a Redis command.
* @return string
*/
protected function getCommandId(ICommand $command)
{
switch ($commandId = $command->getId()) {
case 'AUTH':
case 'SELECT':
case 'MULTI':
case 'EXEC':
case 'WATCH':
case 'UNWATCH':
case 'DISCARD':
throw new \InvalidArgumentException("Disabled command: {$command->getId()}");
default:
return $commandId;
}
}
/**
* Checks if a SORT command is a readable operation by parsing the arguments
* array of the specified commad instance.
*
* @param ICommand $command Instance of Redis command.
* @return Boolean
*/
private function isSortReadOnly(ICommand $command)
{
$arguments = $command->getArguments();
return ($c = count($arguments)) === 1 ? true : $arguments[$c - 2] !== 'STORE';
}
/**
* {@inheritdoc}
*/
public function writeCommand(ICommand $command)
{
$cmdargs = $command->getArguments();
array_unshift($cmdargs, $command->getId());
$this->write(phpiredis_format_command($cmdargs));
}
protected function getTestCaseBuffer(ICommand $instance)
{
$id = $instance->getId();
$fqn = get_class($instance);
$class = array_pop(explode('\\', $fqn)) . "Test";
$realm = $this->getTestRealm();
$buffer = <<<PHP
<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <*****@*****.**>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\\Commands;
use \\PHPUnit_Framework_TestCase as StandardTestCase;
/**
* @group commands
* @group realm-{$realm}
*/
class {$class} extends CommandTestCase
{
/**
* {@inheritdoc}
*/
protected function getExpectedCommand()
{
return '{$fqn}';
}
/**
* {@inheritdoc}
*/
protected function getExpectedId()
{
return '{$id}';
}
/**
* @group disconnected
*/
public function testFilterArguments()
{
\$this->markTestIncomplete('This test has not been implemented yet.');
\$arguments = array(/* add arguments */);
\$expected = array(/* add arguments */);
\$command = \$this->getCommand();
\$command->setArguments(\$arguments);
\$this->assertSame(\$expected, \$command->getArguments());
}
/**
* @group disconnected
*/
public function testParseResponse()
{
\$this->markTestIncomplete('This test has not been implemented yet.');
\$raw = null;
\$expected = null;
\$command = \$this->getCommand();
\$this->assertSame(\$expected, \$command->parseResponse(\$raw));
}
PHP;
if ($instance instanceof IPrefixable) {
$buffer .= <<<PHP
/**
* @group disconnected
*/
public function testPrefixKeys()
{
\$this->markTestIncomplete('This test has not been implemented yet.');
\$arguments = array(/* add arguments */);
\$expected = array(/* add arguments */);
\$command = \$this->getCommandWithArgumentsArray(\$arguments);
\$command->prefixKeys('prefix:');
\$this->assertSame(\$expected, \$command->getArguments());
}
PHP;
}
return "{$buffer}}\n";
}
/**
* {@inheritdoc}
*/
public function writeCommand(ICommand $command)
{
$commandId = $command->getId();
$arguments = $command->getArguments();
$cmdlen = strlen($commandId);
$reqlen = count($arguments) + 1;
$buffer = "*{$reqlen}\r\n\${$cmdlen}\r\n{$commandId}\r\n";
for ($i = 0; $i < $reqlen - 1; $i++) {
$argument = $arguments[$i];
$arglen = strlen($argument);
$buffer .= "\${$arglen}\r\n{$argument}\r\n";
}
$this->writeBytes($buffer);
}
/**
* {@inheritdoc}
*/
public function readResponse(ICommand $command)
{
$reply = $this->read();
if ($reply instanceof IReplyObject) {
return $reply;
}
return $command->parseResponse($reply);
}
/**
* {@inheritdoc}
*/
public function process(ICommand $command)
{
$command->prefixKeys($this->_prefix);
}
/**
* {@inheritdoc}
*/
public function process(ICommand $command)
{
if ($command instanceof IPrefixable) {
$command->prefixKeys($this->prefix);
}
}
/**
* Returns if the specified command performs a read-only operation
* against a key stored on Redis.
*
* @param ICommand $command Instance of Redis command.
* @return Boolean
*/
protected function isReadOperation(ICommand $command)
{
if (isset($this->disallowed[$id = $command->getId()])) {
throw new NotSupportedException("The command {$id} is not allowed in replication mode");
}
if (isset($this->readonly[$id])) {
if (true === ($readonly = $this->readonly[$id])) {
return true;
}
return $readonly($command);
}
if (($eval = $id === 'EVAL') || $id === 'EVALSHA') {
$sha1 = $eval ? sha1($command->getArgument(0)) : $command->getArgument(0);
if (isset($this->readonlySHA1[$sha1])) {
if (true === ($readonly = $this->readonlySHA1[$sha1])) {
return true;
}
return $readonly($command);
}
}
return false;
}
/**
* {@inheritdoc}
*/
public function getConnection(ICommand $command)
{
$cmdHash = $command->getHash($this->distributor);
if (isset($cmdHash)) {
return $this->distributor->get($cmdHash);
}
$message = sprintf("Cannot send '%s' commands to a cluster of connections", $command->getId());
throw new NotSupportedException($message);
}