beginexp_form.php3 18.3 KB
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<?php
#
# EMULAB-COPYRIGHT
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# Copyright (c) 2000-2005 University of Utah and the Flux Group.
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# All rights reserved.
#

#
# Display a virgin form and exit.
# 
function INITFORM($formfields, $projlist)
{
    global $nsref, $guid;
    
    $defaults = array();

    #
    # This stuff is here for netbuild. The initial post from netbuild will
    # include these; they point to the nsfile. The right approach for doing
    # this is to have another page for netbuild that does some magic and
    # redirects the browser to this page. 
    #
    if (isset($nsref)) {
	if (strcmp($nsref, "") == 0 || !ereg("^[0-9]+$", $nsref))
	    unset($nsref);
	else
	    $defaults[nsref] = $nsref;
    }
    if (isset($guid)) {
	if (strcmp($guid, "") == 0 || !ereg("^[0-9]+$", $guid))
	    unset($guid);
	else
	    $defaults[guid] = $guid;
    }

    #
    # For users that are in one project and one subgroup, it is usually
    # the case that they should use the subgroup, and since they also tend
    # to be in the clueless portion of our users, give them some help.
    #
    if (count($projlist) == 1) {
	list($project, $grouplist) = each($projlist);

	if (count($grouplist) <= 2) {
	    $defaults[exp_pid] = $project;
	    if (count($grouplist) == 1 || strcmp($project, $grouplist[0]))
		$defaults[exp_gid] = $grouplist[0];
	    else
		$defaults[exp_gid] = $grouplist[1];
	}
	reset($projlist);
    }

    $defaults[exp_swappable]         = "1";
    $defaults[exp_noswap_reason]     = "";
    $defaults[exp_idleswap]          = "1";
    $defaults[exp_noidleswap_reason] = "";
    $defaults[exp_idleswap_timeout]  = TBGetSiteVar("idle/threshold");
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    $defaults[exp_autoswap]          = TBGetSiteVar("general/autoswap_mode");
    $defaults[exp_autoswap_timeout]  = TBGetSiteVar("general/autoswap_threshold");
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    $defaults[exp_localnsfile]       = "";
    $defaults[exp_nsfile]            = ""; # Multipart data.
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    $defaults[exp_preload]           = "no";
    $defaults[exp_batched]           = "no";
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    $defaults[exp_linktest]          = 1;
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    #
    # Allow formfields that are already set to override defaults
    #
    if (isset($formfields)) {
	while (list ($field, $value) = each ($formfields)) {
	    $defaults[$field] = $formfields[$field];
	}
    }

    SPITFORM($defaults, 0);
    return;
}

#
# Check form and return XML to the main page. 
# 
function CHECKFORM(&$formfields, $projlist)
{
    $errors = array();
    
    #
    # Must convert uploaded file for the XML page. We pass it along inline.
    # Check size though. 
    #
    $formfields[exp_nsfile] = "";
    
    if (isset($_FILES['exp_nsfile']) && $_FILES['exp_nsfile']['size'] != 0) {
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	if ($_FILES['exp_nsfile']['size'] > (1024 * 500)) {
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	    $errors["Local NS File"] = "Too big!";
	}
	elseif ($_FILES['exp_nsfile']['name'] == "") {
	    $errors["Local NS File"] =
		"Local filename does not appear to be valid";
	}
	elseif ($_FILES['exp_nsfile']['tmp_name'] == "") {
	    $errors["Local NS File"] =
		"Temp filename does not appear to be valid";
	}
	elseif (!preg_match("/^([-\@\w\.\/]+)$/",
			    $_FILES['exp_nsfile']['tmp_name'])) {
	    $errors["Local NS File"] = "Temp path includes illegal characters";
	}
        #
        # For the benefit of the form. Remember to pass back actual filename, not
        # the php temporary file name. Note that there appears to be some kind
        # of breakage, at least in opera; filename has no path.
        #
        $formfields[exp_nsfile] = $_FILES['exp_nsfile']['name'];

	if (count($errors)) {
	    SPITFORM($formfields, $errors);
	    PAGEFOOTER();
	    exit(1);
	}

	# Read the entire file into a string.
	$file_contents = file_get_contents($_FILES['exp_nsfile']['tmp_name']);
	if (!$file_contents || $file_contents == "") {
	    $errors["Local NS File"] = "Error reading file on server";
	    SPITFORM($formfields, $errors);
	    PAGEFOOTER();
	    exit(1);
	}
	$formfields[exp_nsfile_contents] = urlencode($file_contents);
    }
    $args    = array();
    $args[0] = $formfields;
    $xmlcode = xmlrpc_encode_request("dummy", $args);
    return $xmlcode;
}

#
# Spit the form out using the array of data.
#
function SPITFORM($formfields, $errors)
{
    global $TBDB_PIDLEN, $TBDB_GIDLEN, $TBDB_EIDLEN, $TBDOCBASE;
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    global $view, $view_style, $projlist, $linktest_levels;
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    global $EXPOSELINKTEST;
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    PAGEHEADER("Begin a Testbed Experiment");
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    echo "<script language=JavaScript>
          <!--
          function NormalSubmit() {
              document.form1.target='_self';
              document.form1.submit();
          }
          function SyntaxCheck() {
              window.open('','nscheck','width=600,height=400,toolbar=no,".
	                      "resizeable=yes,scrollbars=yes,status=yes,".
	                      "menubar=yes');
              var action = document.form1.action;
              var target = document.form1.target;

              document.form1.action='nscheck.php3';
              document.form1.target='nscheck';
              document.form1.submit();

              document.form1.action=action;
              document.form1.target=target;
          }
          //-->
          </script>\n";

    if ($errors) {
	echo "<table class=nogrid
                     align=center border=0 cellpadding=6 cellspacing=0>
              <tr>
                 <th align=center colspan=2>
                   <font size=+1 color=red>
                      &nbsp;Oops, please fix the following errors!&nbsp;
                   </font>
                 </td>
              </tr>\n";

	while (list ($name, $message) = each ($errors)) {
	    echo "<tr>
                     <td align=right>
                       <font color=red>$name:&nbsp;</font></td>
                     <td align=left>
                       <font color=red>$message</font></td>
                  </tr>\n";
	}
	echo "</table><br>\n";
    }
    else {
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	if (!isset($formfields[nsref]) && !isset($view['quiet'])) {
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	  if (STUDLY()) {
            echo "<p><ul>
	    <li><b>If you have an NS file:</b><br> You may want to
                <b><a href='nscheck_form.php3'>syntax check it first</a></b>
            <li><b>If you do not have an NS file:</b><br>
                <b><a href='clientui.php3'>New GUI editor</a></b> - An enhanced Java applet for editing topologies.<br>
                <b><a href='buildui/bui.php3'>The NetBuild GUI</a></b>
		can be used to graphically create topologies.<font size=-2>
		(<a href='$TBDOCBASE/faq.php3#netbuild'>Additional 
		information</a>)</font>.
            </ul></p><br>";
	  } else {
	    echo "<p><ul>
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	    <li><b>If you have an NS file:</b><br> You may want to
                <b><a href='nscheck_form.php3'>syntax check it first</a></b>
	    <li><b>If you do not have an NS file:</b><br> You may want to
		<b><a href='buildui/bui.php3'>go to the NetBuild GUI</a></b>
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		to graphically create one online<font size=-2>
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		(<a href='$TBDOCBASE/faq.php3#netbuild'>Additional 
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		information</a>)</font>.<br>
                Or, you can download the Emulab
                <a href='netlab/client.php3'><b>client</b></a> and graphically
                create one from your desktop.
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	     </ul></p><br>";
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	  }
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	} else {
	    if (isset($view['plab_ns_message'])) {
		echo "<p>To finish creating your slice, edit the following " .
		     "information if you wish, and click Submit.</p>\n";
	    } else {
		echo "<p><b>Your automatically generated NS file has been " .
		     "uploaded.</b> To finish creating your experiment, " .
		     "please fill out the following information:</p>";
	    }
        }
    }

    echo "<form name=form1 enctype=multipart/form-data
                onsubmit=\"return false;\"
                action=beginexp_html.php3 method=post>\n";
    # Something funky going on ...
    echo "<input type=hidden name=beginexp value=Submit>\n";
    echo "<table align=center border=1>\n";

    #
    # Include view_style in a hidden field so that it gets preserved if there
    # are errors
    #
    if ($view_style) {
	echo "<input type='hidden' name='view_style' value='$view_style'>\n";
    }

    #
    # Select Project
    #
    if (isset($view['hide_proj']) && (count($projlist) == 1)) {
	# Just include the project as a hidden field - since the user has
	# only a single project, grab that project, which is the first thing
	# in $projlist
	list($project) = each($projlist);
	echo "<input type='hidden' name=\"formfields[exp_pid]\"
                     value='$project'>\n";
    } else {
	echo "<tr>
		  <td class='pad4'>Select Project:</td>
		  <td class='pad4'><select name=\"formfields[exp_pid]\">\n";

	# If just one project, make sure just the one option.
	if (count($projlist) != 1) {
	    echo "<option value=''>Please Select &nbsp</option>\n";
	}

	while (list($project) = each($projlist)) {
	    $selected = "";

	    if (strcmp($formfields[exp_pid], $project) == 0)
		$selected = "selected";

	    echo "        <option $selected value=\"$project\">
				 $project </option>\n";
	}
	echo "       </select>";
	echo "    </td>
	      </tr>\n";
    }

    #
    # Select a group
    #
    if (isset($view['hide_group'])) {
	if ($formfields['group']) {
	    $group = $formfields['group'];
	} else {
	    $group = "";
	}
	echo "<input type='hidden' name=\"formfields[exp_gid]\"
                     value='$group'>\n";
    } else {
	echo "<tr>
		  <td class='pad4'>Group:</td>
		  <td class='pad4'><select name=\"formfields[exp_gid]\">
			<option value=''>Default Group </option>\n";

	reset($projlist);
	    while (list($project, $grouplist) = each($projlist)) {
		for ($i = 0; $i < count($grouplist); $i++) {
		$group    = $grouplist[$i];

		if (strcmp($project, $group)) {
		    $selected = "";

		    if (isset($formfields[exp_gid]) &&
			isset($formfields[exp_pid]) &&
			strcmp($formfields[exp_pid], $project) == 0 &&
			strcmp($formfields[exp_gid], $group) == 0)
			$selected = "selected";

		    echo "<option $selected value=\"$group\">
			       $project/$group</option>\n";
		}
	    }
	}
	echo "     </select>
	      <font size=-1>(Must be default or correspond to selected project)
	      </font>
		 </td>
	      </tr>\n";
    }

    #
    # Name:
    #
    echo "<tr>
              <td class='pad4'>Name:
              <br><font size='-1'>(No blanks)</font></td>
              <td class='pad4' class=left>
                  <input type=text
                         name=\"formfields[exp_id]\"
                         value=\"" . $formfields[exp_id] . "\"
	                 size=$TBDB_EIDLEN
                         maxlength=$TBDB_EIDLEN>
              </td>
          </tr>\n";

    #
    # Description
    #
    echo "<tr>
              <td class='pad4'>Description:<br>
                  <font size='-1'>(A concise sentence)</font></td>
              <td class='pad4' class=left>
                  <input type=text
                         name=\"formfields[exp_description]\"
                         value=\"" . $formfields[exp_description] . "\"
	                 size=60>
              </td>
          </tr>\n";

    #
    # NS file
    #
    if (isset($formfields[nsref])) {
	$nsref = $formfields[nsref];
	
	if (isset($formfields[guid])) {
	    $guid = $formfields[guid];
	    
	    echo "<tr>
                  <td class='pad4'>Your auto-generated NS file: &nbsp</td>
                      <input type=hidden name=\"formfields[nsref]\" value=$nsref>
                      <input type=hidden name=\"formfields[guid]\" value=$guid>
                  <td class='pad4'>
                      <a target=_blank
                                href=\"spitnsdata.php3?nsref=$nsref&guid=$guid\">
                      View NS File</a></td>
                  </tr>\n";
        }
	else {
	    echo "<tr>
                   <td class='pad4'>Your auto-generated NS file: &nbsp</td>
                       <input type=hidden name=\"formfields[nsref]\"
                              value=$nsref>
                   <td class='pad4'>
                       <a target=_blank href=spitnsdata.php3?nsref=$nsref>
                       View NS File</a></td>
                 </tr>\n";
        }
    }
    else {
	echo "<tr>
                  <td class='pad4'>Your NS file:<br>
		      <input type=submit disabled id=syntax name=syntax value='Syntax Check' onclick=\"SyntaxCheck();\">
  		  </td>

                  <td><table cellspacing=0 cellpadding=0 border=0>
                    <tr>
                      <td class='pad4'>Upload<br>
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			<font size='-1'>(500k&nbsp;max)</font></td>
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                      <td class='pad4'>
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                        <input type=hidden name=MAX_FILE_SIZE value=512000>
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	                <input type=file
                               name=exp_nsfile
                               value=\"" . $formfields[exp_nsfile] . "\"
	                       size=30
			       onchange=\"this.form.syntax.disabled=(this.value=='')\">
                      </td>
                    </tr><tr>
                    <td>&nbsp;&nbsp;<b>or</b></td><td></td>
                    </tr><tr>
                      <td class='pad4'>On Server<br>
                              <font size='-1'>(<code>/proj</code>,
                        <code>/groups</code>, <code>/users</code>)</font></td>
                      <td class='pad4'>
	                <input type=text
                               name=\"formfields[exp_localnsfile]\"
                               value=\"" . $formfields[exp_localnsfile] . "\"
	                       size=40
			       onchange=\"this.form.syntax.disabled=(this.value=='')\">
                      </td>
                    </tr></table></td></tr>\n";
    }

    #
    # Swapping
    #
    # Add in hidden fields to send swappable and noswap_reason, since
    # they do not show on the form
    echo "<input type=hidden name=\"formfields[exp_swappable]\"
                 value='$formfields[exp_swappable]'>\n";
    echo "<input type=hidden name=\"formfields[exp_noswap_reason]\" value='";
    echo htmlspecialchars($formfields[exp_noswap_reason], ENT_QUOTES);
    echo "'>\n";
    
    if (isset($view['hide_swap'])) {
	$idlevars = array('exp_idleswap','exp_noidleswap_reason',
			  'exp_idleswap_timeout',
	                  'exp_autoswap','exp_autoswap_timeout');
	while (list($index,$value) = each($idlevars)) {
	    if (isset($formfields[$value])) {
		echo "<input type='hidden' name='formfields[$value]'
                             value='$formfields[$value]'>\n";
	    }
	}
    }
    else {
	echo "<tr>
		  <td class='pad4'>
		    <a href='$TBDOCBASE/docwrapper.php3?".
	                 "docname=swapping.html#swapping'>
		    Swapping:</td>
		  <td>
		  <table cellpadding=0 cellspacing=0 border=0><tr>
		  <td><input type='checkbox'
			 name='formfields[exp_idleswap]'
			 value='1'";
	if ($formfields[exp_idleswap] == "1") {
	    echo " checked='1'";
	}
	echo "></td>
		  <td><a href='$TBDOCBASE/docwrapper.php3?".
	                    "docname=swapping.html#idleswap'>
		  <b>Idle-Swap:</b></a> Swap out this experiment
		  after 
		  <input type='text' name='formfields[exp_idleswap_timeout]'
			 value='";
	echo htmlspecialchars($formfields[exp_idleswap_timeout], ENT_QUOTES);
	echo "' size='3'> hours idle.</td>
		  </tr><tr>
		  <td> </td>
		  <td>If not, why not?<br><textarea rows=2 cols=50
			      name='formfields[exp_noidleswap_reason]'>";
			      
	echo htmlspecialchars($formfields[exp_noidleswap_reason], ENT_QUOTES);
	echo "</textarea></td>
		  </tr><tr>
		  <td><input type='checkbox'
			 name='formfields[exp_autoswap]'
			 value='1' ";
	if ($formfields[exp_autoswap] == "1") {
	    echo " checked='1'";
	}
	echo "></td>
		  <td><a href='$TBDOCBASE/docwrapper.php3?".
	                    "docname=swapping.html#autoswap'>
		  <b>Max. Duration:</b></a> Swap out after
		  <input type='text' name='formfields[exp_autoswap_timeout]'
			 value='";
	echo htmlspecialchars($formfields[exp_autoswap_timeout], ENT_QUOTES);
	echo "' size='3'> hours, even if not idle.</td>
		  </tr></table>
		  </td>
	       </tr>";
    }

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    #
    # Run linktest, and level. 
    #
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    if (STUDLY() || $EXPOSELINKTEST) {
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    echo "<tr>
              <td><a href='$TBDOCBASE/doc/docwrapper.php3?".
	                  "docname=linktest.html'>Linktest</a> Option:</td>
              <td><select name=\"formfields[exp_linktest]\">
                          <option value=0>Skip Linktest </option>\n";

    for ($i = 1; $i <= TBDB_LINKTEST_MAX; $i++) {
	$selected = "";

	if (strcmp($formfields[exp_linktest], "$i") == 0)
	    $selected = "selected";
	
	echo "        <option $selected value=$i>Level $i - " .
	    $linktest_levels[$i] . "</option>\n";
    }
    echo "       </select>";
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    echo "    (<a href='$TBDOCBASE/doc/docwrapper.php3?".
	"docname=linktest.html'><b>Whats this?</b></a>)";
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    echo "    </td>
          </tr>\n";
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    }
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    #
    # Batch Experiment?
    #
    if (isset($view['hide_batch'])) {
	if ($formfields['exp_batched']) {
	    echo "<input type='hidden' name='formfields[exp_batched]'
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                         value='$formfields[$value]'\n";
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	}
    } else {
	echo "<tr>
		  <td class='pad4' colspan=2>
		  <input type=checkbox name='formfields[exp_batched]'
                         value='Yep'";

	if (isset($formfields[exp_batched]) &&
	    strcmp($formfields[exp_batched], "Yep") == 0) {
		echo " checked='1'";
	    }

	echo ">\n";
	echo "Batch Mode Experiment &nbsp;
	      <font size='-1'>(See
	      <a href='$TBDOCBASE/tutorial/tutorial.php3#BatchMode'>Tutorial</a>
	      for more information)</font>
	      </td>
	      </tr>\n";
    }

    #
    # Preload?
    #
    if (isset($view['hide_preload'])) { 
	if ($formfields['exp_preload']) {
	    echo "<input type='hidden' name='formfields[exp_preload]'
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                         value='$formfields[$value]'>\n";
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	}
    } else {
	echo "<tr>
		  <td class='pad4' colspan=2>
		      <input type=checkbox name='formfields[exp_preload]'
                             value='Yep'";

	if (isset($formfields[exp_preload]) &&
	    strcmp($formfields[exp_preload], "Yep") == 0) {
		echo " checked='1'";
	    }

	echo ">\n";
	echo "Do Not Swap In</td>
	      </tr>\n";
    }

    echo "<tr>
              <td class='pad4' align=center colspan=2>
                 <b><input type=button value=Submit name=beginexp
                           onclick=\"NormalSubmit();\"></b>
              </td>
         </tr>
        </form>
        </table>\n";

    if (!isset($view['quiet'])) {
	echo "<p>
	      <h3>Handy Links:</h3>
	      <ul>
		 <li> View a <a href='showosid_list.php3'>list of OSIDs</a>
		      that are available for you to use in your NS file.</li>
		 <li> Create your own <a href='newimageid_ez.php3'>
		      custom disk images</a>.</li>
	      </ul>\n";
    }
}
?>