Source: ../../fea/fticonfig_table_set.hh

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

// Copyright (c) 2001-2004 International Computer Science Institute
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software")
// to deal in the Software without restriction, subject to the conditions
// listed in the XORP LICENSE file. These conditions include: you must
// preserve this copyright notice, and you cannot mention the copyright
// holders in advertising related to the Software without their permission.
// The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
// notice is a summary of the XORP LICENSE file; the license in that file is
// legally binding.

// $XORP: xorp/fea/fticonfig_table_set.hh,v 1.8 2004/06/10 22:40:51 hodson Exp $

#ifndef __FEA_FTICONFIG_TABLE_SET_HH__
#define __FEA_FTICONFIG_TABLE_SET_HH__


#include "libxorp/xorp.h"
#include "libxorp/ipvx.hh"

#include "fte.hh"
#include "netlink_socket.hh"
#include "routing_socket.hh"


class FtiConfig;

class FtiConfigTableSet {
public:
    FtiConfigTableSet(FtiConfig& ftic);
    
    virtual ~FtiConfigTableSet();
    
    FtiConfig&	ftic() { return _ftic; }
    
    virtual void register_ftic();

    /**
     * Start operation.
     * 
     * @return XORP_OK on success, otherwise XORP_ERROR.
     */
    virtual int start() = 0;
    
    /**
     * Stop operation.
     * 
     * @return XORP_OK on success, otherwise XORP_ERROR.
     */
    virtual int stop() = 0;
    
    /**
     * Start a configuration interval. All modifications to FtiConfig
     * state must be within a marked "configuration" interval.
     *
     * This method provides derived classes with a mechanism to perform
     * any actions necessary before forwarding table modifications can
     * be made.
     *
     * @return true if configuration successfully started.
     */
    virtual bool start_configuration() {
	// Nothing particular to do, just label start.
	return mark_configuration_start();
    }

    /**
     * End of configuration interval.
     *
     * This method provides derived classes with a mechanism to
     * perform any actions necessary at the end of a configuration, eg
     * write a file.
     *
     * @return true configuration success pushed down into forwarding table.
     */
    virtual bool end_configuration() {
	// Nothing particular to do, just label start.
	return mark_configuration_end();
    }

    /**
     * Set the unicast forwarding table.
     *
     * @param fte_list the list with all entries to install into
     * the unicast forwarding table.
     *
     * @return true on success, otherwise false.
     */
    virtual bool set_table4(const list<Fte4>& fte_list) = 0;

    /**
     * Delete all entries in the routing table. Must be within a
     * configuration interval.
     *
     * @return true on success, otherwise false.
     */
    virtual bool delete_all_entries4() = 0;

    /**
     * Set the unicast forwarding table.
     *
     * @param fte_list the list with all entries to install into
     * the unicast forwarding table.
     *
     * @return true on success, otherwise false.
     */
    virtual bool set_table6(const list<Fte6>& fte_list) = 0;
    
    /**
     * Delete all entries in the routing table. Must be within a
     * configuration interval.
     *
     * @return true on success, otherwise false.
     */
    virtual bool delete_all_entries6() = 0;

protected:
    /**
     * Mark start of a configuration.
     *
     * @return true if configuration can be marked as started, false otherwise.
     */
    inline bool mark_configuration_start() {
	if (false == _in_configuration) {
	    _in_configuration = true;
	    return true;
	}
	return false;
    }

    /**
     * Mark end of a configuration.
     *
     * @return true if configuration can be marked as ended, false otherwise.
     */
    inline bool mark_configuration_end() {
	if (true == _in_configuration) {
	    _in_configuration = false;
	    return true;
	}
	return false;
    }
    
    inline bool in_configuration() const { return _in_configuration; }

    // Misc other state
    bool	_is_running;

private:
    FtiConfig&	_ftic;
    bool	_in_configuration;
};

class FtiConfigTableSetDummy : public FtiConfigTableSet {
public:
    FtiConfigTableSetDummy(FtiConfig& ftic);
    virtual ~FtiConfigTableSetDummy();

    /**
     * Start operation.
     * 
     * @return XORP_OK on success, otherwise XORP_ERROR.
     */
    virtual int start();
    
    /**
     * Stop operation.
     * 
     * @return XORP_OK on success, otherwise XORP_ERROR.
     */
    virtual int stop();
    
    /**
     * Set the unicast forwarding table.
     *
     * @param fte_list the list with all entries to install into
     * the unicast forwarding table.
     *
     * @return true on success, otherwise false.
     */
    virtual bool set_table4(const list<Fte4>& fte_list);

    /**
     * Delete all entries in the routing table. Must be within a
     * configuration interval.
     *
     * @return true on success, otherwise false.
     */
    virtual bool delete_all_entries4();

    /**
     * Set the unicast forwarding table.
     *
     * @param fte_list the list with all entries to install into
     * the unicast forwarding table.
     *
     * @return true on success, otherwise false.
     */
    virtual bool set_table6(const list<Fte6>& fte_list);
    
    /**
     * Delete all entries in the routing table. Must be within a
     * configuration interval.
     *
     * @return true on success, otherwise false.
     */
    virtual bool delete_all_entries6();
    
private:
    
};

class FtiConfigTableSetRtsock : public FtiConfigTableSet {
public:
    FtiConfigTableSetRtsock(FtiConfig& ftic);
    virtual ~FtiConfigTableSetRtsock();

    /**
     * Start operation.
     * 
     * @return XORP_OK on success, otherwise XORP_ERROR.
     */
    virtual int start();
    
    /**
     * Stop operation.
     * 
     * @return XORP_OK on success, otherwise XORP_ERROR.
     */
    virtual int stop();
    
    /**
     * Set the unicast forwarding table.
     *
     * @param fte_list the list with all entries to install into
     * the unicast forwarding table.
     *
     * @return true on success, otherwise false.
     */
    virtual bool set_table4(const list<Fte4>& fte_list);

    /**
     * Delete all entries in the routing table. Must be within a
     * configuration interval.
     *
     * @return true on success, otherwise false.
     */
    virtual bool delete_all_entries4();

    /**
     * Set the unicast forwarding table.
     *
     * @param fte_list the list with all entries to install into
     * the unicast forwarding table.
     *
     * @return true on success, otherwise false.
     */
    virtual bool set_table6(const list<Fte6>& fte_list);
    
    /**
     * Delete all entries in the routing table. Must be within a
     * configuration interval.
     *
     * @return true on success, otherwise false.
     */
    virtual bool delete_all_entries6();
    
private:
    
};

class FtiConfigTableSetNetlink : public FtiConfigTableSet {
public:
    FtiConfigTableSetNetlink(FtiConfig& ftic);
    virtual ~FtiConfigTableSetNetlink();

    /**
     * Start operation.
     * 
     * @return XORP_OK on success, otherwise XORP_ERROR.
     */
    virtual int start();
    
    /**
     * Stop operation.
     * 
     * @return XORP_OK on success, otherwise XORP_ERROR.
     */
    virtual int stop();
    
    /**
     * Set the unicast forwarding table.
     *
     * @param fte_list the list with all entries to install into
     * the unicast forwarding table.
     *
     * @return true on success, otherwise false.
     */
    virtual bool set_table4(const list<Fte4>& fte_list);

    /**
     * Delete all entries in the routing table. Must be within a
     * configuration interval.
     *
     * @return true on success, otherwise false.
     */
    virtual bool delete_all_entries4();

    /**
     * Set the unicast forwarding table.
     *
     * @param fte_list the list with all entries to install into
     * the unicast forwarding table.
     *
     * @return true on success, otherwise false.
     */
    virtual bool set_table6(const list<Fte6>& fte_list);
    
    /**
     * Delete all entries in the routing table. Must be within a
     * configuration interval.
     *
     * @return true on success, otherwise false.
     */
    virtual bool delete_all_entries6();
    
private:
    
};

#endif // __FEA_FTICONFIG_TABLE_SET_HH__