Untitled

</head>
<body>
<div id="gatewayInput">
<form method="post">
      <input type="text" id="gateway" name="gateway" placeholder="Gateway Name"><br><br>
      <?php
        include("search.php");
      ?>
</div>
<div class="box1">
<label class="col">Up/Down</label>
<span class="col">
  <input type="radio" name="option" id="r1" value="1" />
  <label for="r1">Up</label>
  <input type="radio" name="option" id="r2" value="2" />
  <label for="r2">Down</label>
</span>
<span class="col">
  <input type="submit" class="button" name="submit"/>
</span>
</form>
</div>
<script src ="../../../jqueryDir/jquery-3.2.1.min.js"></script>
<script src ="../../../jqueryDir/jquery-ui.min.js"></script>
<script type="text/javascript">

  //auto seatch function
  $(function() {
      $( "#gateway" ).autocomplete({
          source: 'search.php'
      });
  });

  //button click function
    $(".button").click(function(event){
        if ((document.getElementsByName("gateway")[0].value == '')) {
               alert('Gateway Required!');
         return false;
    }
        else if (document.querySelectorAll('input[type="radio"]:checked').length < 1) {
               alert('Please Choose Up/Down Value!');
               return false;
        }
        else {
               //alert('Sucess!');
            event.preventDefault();

          var checkInterval = 1; // check interval, in seconds
          var fileToCheck = "file.txt";
          var lastData;
          function checkFile() {
            $.get(fileToCheck, function (data) {
              // Update the text if it has changed
                if (lastData !== data) {
                    $( "#target" ).val( data );
                    $( "#target" ).animate({
                        scrollTop: $( "#target" )[0].scrollHeight - $( "#target" ).height()
                    }, 'slow');
                    lastData = data;
                }
            });
          }

            $.ajax({
              url:"testexe.php",
              type: "POST",
                      data: {
                  gateway: $("#gateway").val(),
                  option: $('input[type=radio]:checked').val()
              },
              dataType: "text",
              success:function(result){
                          $('#div1').html(result);
                  clearInterval(interval);
                  console.log("done!");
              }
            });

          var interval = null;
          $(document).ready(function () {
                interval = setInterval(checkFile, 1000 * checkInterval);
          });

             return true;
        }
  });

</script>
<br><br>
<div id="div0">
<textarea id="target" cols="80" rows="20">Loading...</textarea>
</div>
<div id="div1">
</div>
</body>
</html>

<?php
header("Content-type: text/plain");

$user = 'user';
$password = 'pwd';
$airPath = '/home/user/up.sh';
$groundPath = '/home/user/down.sh';

//when the submit button is clicked
if ($_SERVER['REQUEST_METHOD'] == 'POST'){

  //get the gateway value from page
  $gateway = $_POST['gateway'];

  //create the ssh connection
      if ($connection = @ssh2_connect($gateway, 22)) {
           ssh2_auth_password($connection, $user, $password);
           $path = $_SERVER['DOCUMENT_ROOT'] . "/mypath/file.txt";
           if(isset($_POST['option']) && $_POST['option'] == 1) {

                $stream = ssh2_exec($connection, $airPath);
                stream_set_blocking($stream, true);
                $stream_out = ssh2_fetch_stream($stream, SSH2_STREAM_STDIO);
                $stream_err = ssh2_fetch_stream($stream, SSH2_STREAM_STDERR);

                $fopenText = fopen($path, "w");
                while(($line = fgets($stream_out)) !== false) {
                  fwrite($fopenText, $line);
                  fflush($fopenText);
                }
                echo '<pre>' . "------------------------n" . '</pre>';
                while($line = fgets($stream_err)) {flush(); echo '<pre>' . $line . '</pre>';}
                fclose($stream);
                fclose($fopenText);

           }

           if(isset($_POST['option'])  && $_POST['option'] == 2) {
                $stream = ssh2_exec($connection, $groundPath);
                stream_set_blocking($stream, true);
                $stream_out = ssh2_fetch_stream($stream, SSH2_STREAM_STDIO);
                $stream_err = ssh2_fetch_stream($stream, SSH2_STREAM_STDERR);

                //open the file and set to "write"
                $fopenText = fopen($path, "w");

                //while the stream is still valid write stream to file
                while(($line = fgets($stream_out)) !== false) {
                  fwrite($fopenText, $line);
                  fflush($fopenText);
                }
                echo '<pre>' . "------------------------n" . '</pre>';
                while($line = fgets($stream_err)) {flush(); echo '<pre>' . $line . '</pre>';}
                fclose($stream);
                fclose($fopenText);
           }
     }
}
?>