/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of the mozilla.org LDAP XPCOM SDK.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Dan Mosedale <dmose@mozilla.org>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"

interface nsILDAPOperation;
interface nsILDAPMessageListener;

[scriptable, uuid(337ad2fe-1dd2-11b2-89f8-aae1221ec86c)]
interface nsILDAPConnection : nsISupports
{
    /**
     * the string version of lderrno
     */
    readonly attribute wstring errorString;

    /**
     * DN to bind as.  use the init() method to set this.
     *
     * @exception NS_ERROR_OUT_OF_MEMORY
     */
    readonly attribute AUTF8String bindName;
    
    /**
     * private parameter (anything caller desires)
     */
    attribute nsISupports closure;

    /** 
     * Set up the connection.  Note that init() must be called on a thread
     * that already has an nsIEventQueue.
     *
     * @param aHost             server name for ldap_init()
     * @param aPort             server port number for ldap_init()
     *                          -1 == default port (389)
     * @param aSSL              use SSL on this connection?
     * @param aBindName         DN to bind as
     * @param aMessageListener  Callback for DNS resolution completion
     * @param aClosure          private parameter (anything caller desires)
     * @param aVersion          LDAP version to use (currently VERSION2 or 
     *                          VERSION3)
     *
     * @exception NS_ERROR_ILLEGAL_VALUE        null pointer or invalid version
     * @exception NS_ERROR_OUT_OF_MEMORY        ran out of memory
     * @exception NS_ERROR_OFFLINE              we are in off-line mode
     * @exception NS_ERROR_FAILURE              
     * @exception NS_ERROR_UNEXPECTED           internal error
     */
    void init(in string aHost, in long aPort, in boolean aSSL,
              in AUTF8String aBindName, 
              in nsILDAPMessageListener aMessageListener,
              in nsISupports aClosure, in unsigned long aVersion);

    const unsigned long VERSION2 = 2;
    const unsigned long VERSION3 = 3;

    /**
     * Get information about the last error that occured on this connection.
     *
     * @param matched   if the server is returning LDAP_NO_SUCH_OBJECT, 
     *                  LDAP_ALIAS_PROBLEM, LDAP_INVALID_DN_SYNTAX, 
     *                  or LDAP_ALIAS_DEREF_PROBLEM, this will contain
     *                  the portion of DN that matches the entry that is 
     *                  closest to the requested entry
     *
     * @param s         additional error information from the server
     * 
     * @return          the error code, as defined in nsILDAPErrors.idl
     */
    long getLdErrno(out AUTF8String matched, out AUTF8String s);
};