daima

[mycode=php]
#!/usr/bin/php -f    
/**********************************************************    
说明：该类访问共享内存    
功能：添加、删除、获取共享内存信息，创建或删除共享内存    
    
***********************************************************/    
require_once(“/home/junjie2/php_module/Shm.class.php”);    
    
if(!isset($argv[1]) || isset($argv[1]) && ( $argv[1] == “-h” || $argv[1] == “–help”)){    
    show_help();    
}    
    
$shm = new Shm();    
    
$op = $argv[1];    
    
if($op == ‘create’){        //创建    
    $name = $argv[2];   //键标识    
    $mod = $argv[3];    
    $size = $argv[4];    
    if(strlen($name) != 1){    
        echo “key name only can be a one charactor string\n”;    
        exit(1);    
    }    
    $shm_key = @ftok(__FILE__, $name);    
    if($shm_key == -1){    
        echo $php_errormsg;    
        exit(1);    
    }    
    if(!$shm->create($shm_key,$mod,$size)){    
        echo $shm->get_error() .”\n”;    
        exit(1);    
    }    
    echo “The key of shm is : 0x”.dechex($shm->get_key()) .”\n”;    
    exit(0);    
}    
    
if($op == ‘get’){       //获取变量    
    $key = $argv[2];    //键标识    
    $var = $argv[3];    
    $shm->set_key($key);    
    $val = $shm->get_var($var);    
    show($val) ;    
    echo “\n”;    
    exit(0);    
}    
    
if($op == ‘put’){       //创建    
    $key = $argv[2];    //键标识    
    $var = $argv[3];    
    $val = $argv[4];    
    $shm->set_key($key);    
    if(!$shm->put_var($var,$val)){    
        echo $shm->get_error() .”\n”;    
        exit(1);    
    }    
    exit(0);    
}    
    
if($op == ‘remove’){        //创建    
    $key = $argv[2];    //键标识    
    $var = $argv[3];    
    $shm->set_key($key);    
    if(!$shm->remove_var($var,$val)){    
        echo $shm->get_error() .”\n”;    
        exit(1);    
    }    
    exit(0);    
}    
if($op == ‘delete’){        //创建    
    $key = $argv[2];    //键标识    
    $shm->set_key($key);    
    if(!$shm->delete()){    
        echo $shm->get_error() .”\n”;    
        exit(1);    
    }    
    exit(0);    
}    
    
show_help();    
exit(0);    
function show_help(){    
    global $argv;    
    echo “usage:” . $argv[0] .” \n”;    
    echo “create name mod size \n”;    
    echo “get key var \n”;    
    echo “put key var val \n”;    
    echo “remove key var \n”;    
    echo “delete key \n”;    
    exit(0);    
}    
function show($var) {    
    if(is_array($var)){    
            print_r($var);    
    }else{    
            echo $var;    
    }    
}    
?>
[/mycode]