Source: ../../fea/fticonfig_entry_set.hh
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// -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
// Copyright (c) 2001-2006 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_entry_set.hh,v 1.23 2006/06/29 11:03:54 bms Exp $
#ifndef __FEA_FTICONFIG_ENTRY_SET_HH__
#define __FEA_FTICONFIG_ENTRY_SET_HH__
#include "libxorp/xorp.h"
#include "libxorp/ipvx.hh"
#include "libxorp/time_slice.hh"
#include "libxorp/timer.hh"
#include "fte.hh"
#include "nexthop_port_mapper.hh"
#include "click_socket.hh"
#include "netlink_socket.hh"
#include "routing_socket.hh"
#include "win_rtm_pipe.hh"
class FtiConfig;
class FtiConfigEntrySet {
public:
FtiConfigEntrySet(FtiConfig& ftic);
virtual ~FtiConfigEntrySet();
FtiConfig& ftic() { return _ftic; }
virtual void register_ftic_primary();
virtual void register_ftic_secondary();
virtual void set_primary() { _is_primary = true; }
virtual void set_secondary() { _is_primary = false; }
virtual bool is_primary() const { return _is_primary; }
virtual bool is_secondary() const { return !_is_primary; }
virtual bool is_running() const { return _is_running; }
/**
* Start operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int start(string& error_msg) = 0;
/**
* Stop operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int stop(string& error_msg) = 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.
*
* @param error_msg the error message (if error).
* @return true if configuration successfully started.
*/
virtual bool start_configuration(string& error_msg) {
// Nothing particular to do, just label start.
return mark_configuration_start(error_msg);
}
/**
* 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.
*
* @param error_msg the error message (if error).
* @return true configuration success pushed down into forwarding table.
*/
virtual bool end_configuration(string& error_msg) {
// Nothing particular to do, just label start.
return mark_configuration_end(error_msg);
}
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry4(const Fte4& fte) = 0;
/**
* Delete a single routing entry. Must be with a configuration interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry4(const Fte4& fte) = 0;
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry6(const Fte6& fte) = 0;
/**
* Delete a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry6(const Fte6& fte) = 0;
protected:
/**
* Mark start of a configuration.
*
* @param error_msg the error message (if error).
* @return true if configuration can be marked as started, false otherwise.
*/
inline bool mark_configuration_start(string& error_msg) {
if (false == _in_configuration) {
_in_configuration = true;
return true;
}
error_msg = c_format("Cannot start configuration: "
"configuration in progress");
return false;
}
/**
* Mark end of a configuration.
*
* @param error_msg the error message (if error).
* @return true if configuration can be marked as ended, false otherwise.
*/
inline bool mark_configuration_end(string& error_msg) {
if (true == _in_configuration) {
_in_configuration = false;
return true;
}
error_msg = c_format("Cannot end configuration: "
"configuration not in progress");
return false;
}
inline bool in_configuration() const { return _in_configuration; }
// Misc other state
bool _is_running;
private:
FtiConfig& _ftic;
bool _in_configuration;
bool _is_primary; // True -> primary, false -> secondary method
};
class FtiConfigEntrySetDummy : public FtiConfigEntrySet {
public:
FtiConfigEntrySetDummy(FtiConfig& ftic);
virtual ~FtiConfigEntrySetDummy();
/**
* Start operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int start(string& error_msg);
/**
* Stop operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int stop(string& error_msg);
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry4(const Fte4& fte);
/**
* Delete a single routing entry. Must be with a configuration interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry4(const Fte4& fte);
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry6(const Fte6& fte);
/**
* Delete a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry6(const Fte6& fte);
private:
};
class FtiConfigEntrySetRtsock : public FtiConfigEntrySet,
public RoutingSocket {
public:
FtiConfigEntrySetRtsock(FtiConfig& ftic);
virtual ~FtiConfigEntrySetRtsock();
/**
* Start operation.
*
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int start(string& error_msg);
/**
* Stop operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int stop(string& error_msg);
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry4(const Fte4& fte);
/**
* Delete a single routing entry. Must be with a configuration interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry4(const Fte4& fte);
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry6(const Fte6& fte);
/**
* Delete a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry6(const Fte6& fte);
private:
bool add_entry(const FteX& fte);
bool delete_entry(const FteX& fte);
};
class FtiConfigEntrySetNetlink : public FtiConfigEntrySet,
public NetlinkSocket {
public:
FtiConfigEntrySetNetlink(FtiConfig& ftic);
virtual ~FtiConfigEntrySetNetlink();
/**
* Start operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int start(string& error_msg);
/**
* Stop operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int stop(string& error_msg);
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry4(const Fte4& fte);
/**
* Delete a single routing entry. Must be with a configuration interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry4(const Fte4& fte);
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry6(const Fte6& fte);
/**
* Delete a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry6(const Fte6& fte);
private:
bool add_entry(const FteX& fte);
bool delete_entry(const FteX& fte);
NetlinkSocketReader _ns_reader;
};
class FtiConfigEntrySetClick : public FtiConfigEntrySet,
public ClickSocket,
public NexthopPortMapperObserver {
public:
FtiConfigEntrySetClick(FtiConfig& ftic);
virtual ~FtiConfigEntrySetClick();
/**
* Start operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int start(string& error_msg);
/**
* Stop operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int stop(string& error_msg);
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry4(const Fte4& fte);
/**
* Delete a single routing entry. Must be with a configuration interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry4(const Fte4& fte);
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry6(const Fte6& fte);
/**
* Delete a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry6(const Fte6& fte);
/**
* Obtain a reference to the table with the IPv4 forwarding entries.
*
* @return a reference to the table with the IPv4 forwarding entries.
*/
const map<IPv4Net, Fte4>& fte_table4() const { return _fte_table4; }
/**
* Obtain a reference to the table with the IPv6 forwarding entries.
*
* @return a reference to the table with the IPv6 forwarding entries.
*/
const map<IPv6Net, Fte6>& fte_table6() const { return _fte_table6; }
private:
virtual void nexthop_port_mapper_event(bool is_mapping_changed);
bool add_entry(const FteX& fte);
bool delete_entry(const FteX& fte);
// Methods related to reinstalling all IPv4 and IPv6 forwarding entries
void start_task_reinstall_all_entries();
void run_task_reinstall_all_entries();
bool reinstall_all_entries4();
bool reinstall_all_entries6();
ClickSocketReader _cs_reader;
map<IPv4Net, Fte4> _fte_table4;
map<IPv6Net, Fte6> _fte_table6;
// State related to reinstalling all IPv4 and IPv6 forwarding entries
XorpTimer _reinstall_all_entries_timer;
TimeSlice _reinstall_all_entries_time_slice;
bool _start_reinstalling_fte_table4;
bool _is_reinstalling_fte_table4;
bool _start_reinstalling_fte_table6;
bool _is_reinstalling_fte_table6;
IPv4Net _reinstalling_ipv4net;
IPv6Net _reinstalling_ipv6net;
};
class FtiConfigEntrySetIPHelper : public FtiConfigEntrySet {
public:
FtiConfigEntrySetIPHelper(FtiConfig& ftic);
virtual ~FtiConfigEntrySetIPHelper();
/**
* Start operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int start(string& error_msg);
/**
* Stop operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int stop(string& error_msg);
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry4(const Fte4& fte);
/**
* Delete a single routing entry. Must be with a configuration interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry4(const Fte4& fte);
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry6(const Fte6& fte);
/**
* Delete a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry6(const Fte6& fte);
private:
bool add_entry(const FteX& fte);
bool delete_entry(const FteX& fte);
};
class FtiConfigEntrySetRtmV2 : public FtiConfigEntrySet {
public:
FtiConfigEntrySetRtmV2(FtiConfig& ftic);
virtual ~FtiConfigEntrySetRtmV2();
/**
* Start operation.
*
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int start(string& error_msg);
/**
* Stop operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
virtual int stop(string& error_msg);
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry4(const Fte4& fte);
/**
* Delete a single routing entry. Must be with a configuration interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry4(const Fte4& fte);
/**
* Add a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to add.
*
* @return true on success, otherwise false.
*/
virtual bool add_entry6(const Fte6& fte);
/**
* Delete a single routing entry. Must be within a configuration
* interval.
*
* @param fte the entry to delete. Only destination and netmask are used.
*
* @return true on success, otherwise false.
*/
virtual bool delete_entry6(const Fte6& fte);
private:
WinRtmPipe* _rs4;
WinRtmPipe* _rs6;
bool add_entry(const FteX& fte);
bool delete_entry(const FteX& fte);
};
#endif // __FEA_FTICONFIG_ENTRY_SET_HH__
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