/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * 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 Netscape are 
 * Copyright (C) 2000, 2001 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s): Dan Mosedale <dmose@mozilla.org>
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 */

#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);
};
