File: admin_link_proc.vsp

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<?vsp 
--  
--  $Id$
--  
--  This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
--  project.
--  
--  Copyright (C) 1998-2012 OpenLink Software
--  
--  This project is free software; you can redistribute it and/or modify it
--  under the terms of the GNU General Public License as published by the
--  Free Software Foundation; only version 2 of the License, dated June 1991.
--  
--  This program is distributed in the hope that it will be useful, but
--  WITHOUT ANY WARRANTY; without even the implied warranty of
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
--  General Public License for more details.
--  
--  You should have received a copy of the GNU General Public License along
--  with this program; if not, write to the Free Software Foundation, Inc.,
--  51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
--  
--  
 adm_pre_page(lines);

   declare _dsn, _user, _pass varchar;
   declare _step, _sel varchar;
   declare btns integer;
   declare parr, rst any;
   _dsn := _user := _pass := '';
  --dbg_obj_print ('params : ', params);
  if (not adm_check_auth (lines)) { adm_tell_unauth (lines); return (0); }

  _dsn := get_keyword ('dsn', params , '');
  _user := get_keyword ('user', params , '');
  _pass := get_keyword ('pass', params , '');
  _step := get_keyword ('step', params , '');
  _sel := get_keyword ('remote_o', params , '');
  parr := deserialize (decode_base64 (get_keyword ('parr', params, '')));
  btns := 0;

  if ({?'unlink'} is not null)
    {
      declare pr, st, msg, stmt varchar;
      declare i integer;
      while (pr := adm_next_keyword ('remote_tbls', params, i))
	{
          stmt := sprintf ('drop procedure "%I"."%I"."%I"', name_part (pr, 0), name_part (pr, 1), name_part (pr, 2));
          st := '00000';
          exec (stmt, st, msg);
          -- test for error here
	}
    }
?>

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">

<script>
function dsns_chg(sel)
{

  var i, _new, old;


  if (sel.selectedIndex == -1)
    {
      document.link_form.dsn.value = '';
      document.link_form.user.value = '';
      document.link_form.pass.value = '';
      return (0);
    }

  for (i = 0;i < sel.length;i++)
    {
      if (sel.options[i].selected)
	{
	  if (sel.options[i].text == document.link_form.dsn.value)
	    {
	      sel.options[i].selected = false;
	    }
	  else
	    {
	      document.link_form.dsn.value = sel.options[i].text;
	    }
	}
    }
  document.link_form.submit();
}

function unlink_url()
{
  document.unlink_form.action = 'admin_unlink_proc.vsp';
  document.unlink_form.submit();
}

</script>

<html>
  <head>
  <link rel="stylesheet" type="text/css" href="<?=adm_what_css()?>">
  <script language="javascript" src="admin_utils.js"></script>
    <title>External procedures management</title>
    <meta name="AUTHOR" content="OpenLink Software">
    <meta name="DESCRIPTION" content="Link External Procedures into Virtuoso using VSP">
  </head>
  <BODY>
<?vsp  adm_page_header('External Procedures Management', NULL); ?>

<?include adm_js_check.vsp ?>
<FORM method="POST" name="unlink_form" action="admin_link_proc.vsp">
<?vsp

   if ({?'login'} is not null)
     {
       if (_dsn <> '')
	 {
	   declare i, l integer;
	    declare exit handler for sqlstate '*' {
  	      http ('<TABLE CLASS="genlist" BORDER="0" CELLPADDING="0">');
  	      http (sprintf ('<TR><TD CLASS="errorhead" COLSPAN="2">Connection to %s failed:</TD></TR>', _dsn));
  	      http ('<TR><TD CLASS="AdmBorders" COLSPAN="2"><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR>');
 	      http (sprintf ('<TR><TD CLASS="genlisthead">SQL State</TD><TD CLASS="gendata">%s</TD></TR>', coalesce (__SQL_STATE, '')));
 	      http (sprintf ('<TR><TD CLASS="genlisthead">Error Message</TD><TD CLASS="gendata">%s</TD></TR>', coalesce (__SQL_MESSAGE, '')));
  	      http ('</TABLE>');
              parr := vector ();
	      goto err_end;

	   };
	   vd_remote_data_source (_dsn,'', _user, _pass);
           parr := sql_procedures (_dsn, NULL, NULL, NULL);
	 }
err_end:;
     }
?>

<TABLE><TR><TD VALIGN="top">
   <TABLE CLASS="genlist" BORDER="0" CELLPADDING="0">
   <TR><TD CLASS="genhead" COLSPAN="2">Currently Linked</TD></TR>
   <TR><TD CLASS="AdmBorders" COLSPAN="2"><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR>
   <TR><TD CLASS="genselect" ALIGN="right">
      <select name="remote_tbls" MULTIPLE Size="10">
      <?vsp
        declare no_p integer;
        for select P_NAME from SYS_PROCEDURES where proc_is_remote (P_NAME) or (regexp_match ('\-\-PL Wrapper .*', coalesce (P_TEXT, blob_to_string(P_MORE))) is not null and P_NAME not like '%.vsp') do
	  {
	    http ('<option>');
	    http (P_NAME);
	    http ('</option>');
            no_p := 1;
	  }
         if (not no_p)
           http ('<option>-No External Procedures Linked-</option>');
      ?>
      </select></TD></TR>
    <TR><TD VALIGN="bottom" ALIGN="right"><input type="submit" name="unlink" value="Unlink" onClick="unlink_url();"></TD>
    </TD>
  </TR>
  </TABLE>
</TD>
</FORM>
<TD VALIGN="top">
<FORM method="POST" name="link_form" action="admin_link_proc.vsp">
<TABLE class="genlist" BORDER="0" CELLPADDING="0">
  <TR><TD class="genhead" COLSPAN="3">Link from Data Source</TD></TR>
  <TR><TD CLASS="AdmBorders" COLSPAN="3"><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR>
  <TR><TD class="genselect" ROWSPAN="3">
    <select name="dsns" onChange="dsns_chg(this)" MULTIPLE Size="12">
    <?vsp adm_lt_dsn_options(_dsn);
          if (_user = '' and exists (select 1 from SYS_DATA_SOURCE where DS_DSN = _dsn))
	    {
	      whenever not found goto nfds;
	      select DS_UID, pwd_magic_calc (DS_UID,DS_PWD,1) into _user, _pass
		  from SYS_DATA_SOURCE where DS_DSN = _dsn;
              nfds:;
	    }
    ?></select></TD>
  <TD></TD><TD VALIGN="top">
    <TABLE class="genlist" BORDER="0" CELLPADDING="0">
    <TR><TD class="genlisthead" NOWRAP>Data Source</TD><TD class="geninput">
    <input type="text" size="25" name="dsn" value="<?= _dsn ?>"></TD></TR>
    <TR><TD class="genlisthead">Username</TD><TD class="geninput">
    <input type="text" size="25" name="user" value="<?= _user ?>"></TD></TR>
    <TR><TD class="genlisthead">Password</TD><TD class="geninput">
    <input type="password" size="25" name="pass" value="<?= _pass ?>"></TD></TR>
    <TR><TD COLSPAN="2" ALIGN="right">
    </TR>
    <TR>
      <TD COLSPAN="2" ALIGN="right">
        <input type="submit" name="login" value="List" >
      </TD>
    </TR>
    </TABLE>
  </TD></TR>
  </TABLE>
  </FORM>
  <FORM name="sel_list" method="POST" action="
<?vsp if (_step = '1')
        http ('admin_link_proc_1.vsp');
      else
        http ('admin_link_proc.vsp');
    ?>">
  <input type=hidden name=dsn value="<?=_dsn?>">
  <input type=hidden name=user value="<?=_user?>">
  <input type=hidden name=pass value="<?=_pass?>">
<?vsp

   declare _deni integer;
   _deni := 0;
   if ({?'login'} is not null or _step = '1')
     {
?>

<?vsp
       if (_dsn <> '')
	 {
	   declare i, l integer;
	   declare line, txt1 any;

           i := 0; l := length (parr);
	       if (_step <> '1')
		 {
       	   rst := vector ();
           txt1 := '';
           while (i<l)
             {
	        declare qual, owner, what varchar;
		line := parr[i];
                qual := line[0];
                owner := line[1];
		if (qual <> '' and qual is not null)
		  {
 	            what := concat(qual,'.',owner);
	            txt1 := 'Qualifier/';
		  }
		else
 	          what := owner;
		if (position (what, rst) = 0 and _step = '')
		      rst := vector_concat (rst, vector (what));
               i := i + 1;
	     }
?>
   <TABLE CLASS="genlist" BORDER="0" CELLPADDING="0">
   <TR><TD CLASS="genhead" COLSPAN="2">Select External Procedures <?=txt1?>Owner</TD></TR>
   <TR><TD CLASS="AdmBorders" COLSPAN="2"><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR>
     <TR>
     <TD>
     <select name="remote_o" size="<?=length(rst)?>">
<?vsp
		    i := 0; l := length (rst);
		    while (i<l)
		      {
?>
     <option><?=rst[i]?></option>
<?vsp
		    i := i + 1;
		      }
?>
		    </TD>
		    <TD ALIGN="right">
		    <INPUT type="submit" name="link" value="List Selected">
		    <INPUT type=hidden name="parr" value="<?=encode_base64 (serialize (parr))?>">
		    <INPUT type=hidden name="step" value="1">
		    </TD>
		    </TR>
<?vsp
		 }
	       else
		 {
?>
   <TABLE CLASS="genlist" BORDER="0" CELLPADDING="0">
   <TR><TD CLASS="genhead" COLSPAN="2">External Procedures</TD></TR>
   <TR><TD CLASS="AdmBorders" COLSPAN="2"><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR>
<?vsp
		   i := 0; l := length (parr);
                   _deni := 0;
		   while (i<l)
		     {
		       declare qual, own, elm, _den varchar;
                       qual := parr[i][0];
                       own := parr[i][1];
                       elm := own;
		       if (qual <> '' and qual is not null)
	                 elm := concat (qual, '.', own);
		       if(elm = _sel)
			 {
			   declare _p_pat varchar;
			   if (isstring (parr[i][0]))
			     _p_pat := sprintf ('%s.%s.%s',parr[i][0], parr[i][1], parr[i][2]);
			   else
			     _p_pat := sprintf ('.%s.%s', parr[i][1], parr[i][2]);
		           _p_pat := replace (_p_pat, '*', '\\*');
		           _p_pat := replace (_p_pat, '+', '\\+');
		           _p_pat := replace (_p_pat, ']', '\\]');
		           _p_pat := replace (_p_pat, '[', '\\[');
		           _p_pat := replace (_p_pat, '(', '\\(');
		           _p_pat := replace (_p_pat, ')', '\\)');
		           _p_pat := replace (_p_pat, '.', '\\.');
                           _den := '';
			   if (exists (select 1 from SYS_PROCEDURES where
				 regexp_match (sprintf ('\-\-"DSN:%s PROCEDURE:%s"', _dsn, _p_pat),
				   coalesce (P_TEXT, blob_to_string(P_MORE))) is not null))
			     {
                               _den := '*';
			       _deni := _deni + 1;
			     }
?>
     <TR>
     <TD>
     <input type="checkbox" name="PR_<?=parr[i][0]?>.<?=parr[i][1]?>.<?=parr[i][2]?>">
         <input type="hidden" name="PRN_<?=parr[i][0]?>.<?=parr[i][1]?>.<?=parr[i][2]?>" value="<?=parr[i][2]?>">
     </TD>
     <TD CLASS="gendata" ALIGN="left">
<?vsp
     if (_den <> '')
       {
	 http (_den);
       }
?>
     <?=parr[i][1]?>.<?=parr[i][2]?></TD></TR>
<?vsp
			 }
		       i := i + 1;
		       btns := 1;
		    }
		}
	 }
	if (_deni)
	  {
?>

  <TR><TD COLSPAN="2">* Denotes procedure already linked.</TD></TR>

<?vsp
	  }
?>
   </TABLE>
<?vsp
     }

?>

  <TR><TD COLSPAN="7" ALIGN="right">
<?vsp
  if (btns = 1)
    {
?>
  <INPUT type="button" name="select_all" value="Select All" onClick="selectAllCheckboxes(this.form, this)">
  <INPUT type="submit" name="link" value="Link Selected">
<?vsp
    }
?>

  </TD></TR>
  </FORM>
</TABLE>
<?vsp adm_page_footer(); ?>
</BODY>
</HTML>