Source: ../../libfeaclient/ifmgr_cmd_base.hh

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// -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-

// Copyright (c) 2001-2009 XORP, Inc.
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License, Version
// 2.1, June 1999 as published by the Free Software Foundation.
// Redistribution and/or modification of this program under the terms of
// any other version of the GNU Lesser General Public License is not
// permitted.
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// see the GNU Lesser General Public License, Version 2.1, a copy of
// which can be found in the XORP LICENSE.lgpl file.
// XORP, Inc, 2953 Bunker Hill Lane, Suite 204, Santa Clara, CA 95054, USA;

// $XORP: xorp/libfeaclient/ifmgr_cmd_base.hh,v 1.9 2009/01/05 18:30:55 jtc Exp $


#include "libxorp/callback.hh"

class XrlError;
class XrlArgs;
class XrlSender;
class IfMgrIfTree;

typedef XorpCallback1<void, const XrlError&>::RefPtr IfMgrXrlSendCB;

 * @short Base class for Interface Manager Commands.
 * Commands may be forwarded either on an existing interface
 * configuration tree (represented by IfMgrIfTree objects) or as Xrls.
 * When forwarded as Xrls the command is sent to a remote target.
 * The two methods of forward are intended to facilitate maintaining
 * local and remote copies of IfMgrIfTree objects.
class IfMgrCommandBase {
    virtual ~IfMgrCommandBase() = 0;
     * Execute Command to interface tree.
     * @return true on success, false on failure.
    virtual bool execute(IfMgrIfTree& tree) const = 0;

     * Forward Command as an Xrl call to a remote target.
     * @param sender xrl router to use as the command sender.
     * @param xrl_target the target to direct the command to.
     * @param xscb callback to invoke with Xrl result.
     * @return true on success, false on failure.
    virtual bool forward(XrlSender&	 sender,
			 const string&	 xrl_target,
			 const IfMgrXrlSendCB& xscb) const = 0;

     * Render command as string.
    virtual string str() const = 0;


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