/**
* @return Requirement\Result
*/
public function checkRequirements()
{
$result = new Requirement\Result();
if ($this->commandLine->isToolInstalled($this->cmd)) {
$result->setSucess(true);
} else {
$result->setErrorMessage('command line tool "ps" ist not installed. Please install "ps".');
}
return $result;
}
/**
* @return Requirement\Result
*/
public function checkRequirements()
{
$result = new Requirement\Result();
if ($this->getOS() == 'Linux') {
$result->setSucess(true);
} else {
$result->setErrorMessage('this program works only with linux');
}
return $result;
}
/**
* @return Requirement\Result
*/
public function checkRequirements()
{
$result = new Requirement\Result();
if (function_exists('posix_getuid')) {
$result->setSucess(true);
} else {
$result->setSucess(false);
$result->setErrorMessage('posix extension missing. please install php posix extension');
return $result;
}
if (posix_getuid() == 0) {
$result->setSucess(true);
} else {
$result->setSucess(false);
$result->setErrorMessage('root access required. please execute this script as root.');
}
return $result;
}
/**
* @return Requirement\Result
*/
public function checkRequirements()
{
$commandLine = new CommandLine();
$result = new Requirement\Result();
if ($commandLine->isToolInstalled($this->cmd . ' -h')) {
$result->setSucess(true);
} else {
$result->setErrorMessage('command line tool "strace" ist not installed. Please install "strace".');
}
if ($result->getSucess()) {
if (false === $commandLine->isToolInstalled('tail --help')) {
$result->setSucess(false);
$result->setErrorMessage('command line tool "tail" is not installed. please install "tail".');
}
}
if ($result->getSucess()) {
if (false === function_exists('pcntl_fork')) {
$result->setSucess(false);
$result->setErrorMessage('PCNTL extension not found. Please install PHP PCNTL extension. If the extension is installed, check your php.ini if there are some pcntl functions disabled (https://github.com/markus-perl/php-strace/issues/1).');
}
}
return $result;
}