Source: ../../fea/fticonfig.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.hh,v 1.40 2006/06/29 20:07:12 pavlin Exp $
#ifndef __FEA_FTICONFIG_HH__
#define __FEA_FTICONFIG_HH__
#include "libxorp/xorp.h"
#include "libxorp/ipv4.hh"
#include "libxorp/ipv6.hh"
#include "libxorp/ipv4net.hh"
#include "libxorp/ipv6net.hh"
#include "libxorp/trie.hh"
#include "fte.hh"
typedef unsigned long FtiFibMsgSet;
#include "fticonfig_entry_get.hh"
#include "fticonfig_entry_set.hh"
#include "fticonfig_entry_observer.hh"
#include "fticonfig_table_get.hh"
#include "fticonfig_table_set.hh"
#include "fticonfig_table_observer.hh"
#include "iftree.hh"
#include "win_support.hh"
class EventLoop;
class FtiConfigEntryGet;
class FtiConfigEntrySet;
class FtiConfigEntryObserver;
class FtiConfigTableGet;
class FtiConfigTableSet;
class FtiConfigTableObserver;
class NexthopPortMapper;
class Profile;
typedef Trie<IPv4, Fte4> Trie4;
typedef Trie<IPv6, Fte6> Trie6;
/**
* @short Forwarding Table Interface.
*
* Abstract class.
*/
class FtiConfig {
public:
/**
* Constructor.
*
* @param eventloop the event loop.
* @param profile the profile entity.
* @param nexthop_port_mapper the next-hop port mapper.
*/
FtiConfig(EventLoop& eventloop, Profile& profile, const IfTree& iftree,
NexthopPortMapper& nexthop_port_mapper);
/**
* Virtual destructor (in case this class is used as base class).
*/
virtual ~FtiConfig();
/**
* Get a reference to the @ref EventLoop instance.
*
* @return a reference to the @ref EventLoop instance.
*/
EventLoop& eventloop() { return _eventloop; }
/**
* Get a reference to the @ref NexthopPortMapper instance.
*
* @return a reference to the @ref NexthopPortMapper instance.
*/
NexthopPortMapper& nexthop_port_mapper() { return _nexthop_port_mapper; }
/**
* Get a reference to the @ref IfTree instance.
*
* @return a reference to the @ref IfTree instance.
*/
const IfTree& iftree() const { return _iftree; }
int register_ftic_entry_get_primary(FtiConfigEntryGet *ftic_entry_get);
int register_ftic_entry_set_primary(FtiConfigEntrySet *ftic_entry_set);
int register_ftic_entry_observer_primary(FtiConfigEntryObserver *ftic_entry_observer);
int register_ftic_table_get_primary(FtiConfigTableGet *ftic_table_get);
int register_ftic_table_set_primary(FtiConfigTableSet *ftic_table_set);
int register_ftic_table_observer_primary(FtiConfigTableObserver *ftic_table_observer);
int register_ftic_entry_get_secondary(FtiConfigEntryGet *ftic_entry_get);
int register_ftic_entry_set_secondary(FtiConfigEntrySet *ftic_entry_set);
int register_ftic_entry_observer_secondary(FtiConfigEntryObserver *ftic_entry_observer);
int register_ftic_table_get_secondary(FtiConfigTableGet *ftic_table_get);
int register_ftic_table_set_secondary(FtiConfigTableSet *ftic_table_set);
int register_ftic_table_observer_secondary(FtiConfigTableObserver *ftic_table_observer);
FtiConfigEntryGet& ftic_entry_get_primary() { return *_ftic_entry_get_primary; }
FtiConfigEntrySet& ftic_entry_set_primary() { return *_ftic_entry_set_primary; }
FtiConfigEntryObserver& ftic_entry_observer_primary() { return *_ftic_entry_observer_primary; }
FtiConfigTableGet& ftic_table_get_primary() { return *_ftic_table_get_primary; }
FtiConfigTableSet& ftic_table_set_primary() { return *_ftic_table_set_primary; }
FtiConfigTableObserver& ftic_table_observer_primary() { return *_ftic_table_observer_primary; }
FtiConfigEntrySetClick& ftic_entry_set_click() { return _ftic_entry_set_click; }
/**
* Setup the unit to behave as dummy (for testing purpose).
*
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
int set_dummy();
/**
* Test if running in dummy mode.
*
* @return true if running in dummy mode, otherwise false.
*/
bool is_dummy() const { return _is_dummy; }
/**
* Start operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
int start(string& error_msg);
/**
* Stop operation.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
int stop(string& error_msg);
/**
* Enable/disable Click support.
*
* @param enable if true, then enable Click support, otherwise disable it.
*/
void enable_click(bool enable);
/**
* Start Click support.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
int start_click(string& error_msg);
/**
* Stop Click support.
*
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
int stop_click(string& error_msg);
/**
* Enable/disable duplicating the Click routes to the system kernel.
*
* @param enable if true, then enable duplicating the Click routes to the
* system kernel, otherwise disable it.
*/
void enable_duplicate_routes_to_kernel(bool enable);
/**
* Enable/disable kernel-level Click support.
*
* @param enable if true, then enable the kernel-level Click support,
* otherwise disable it.
*/
void enable_kernel_click(bool enable);
/**
* Enable/disable installing kernel-level Click on startup.
*
* @param enable if true, then install kernel-level Click on startup.
*/
void enable_kernel_click_install_on_startup(bool enable);
/**
* Specify the list of kernel Click modules to load on startup if
* installing kernel-level Click on startup is enabled.
*
* @param modules the list of kernel Click modules to load.
*/
void set_kernel_click_modules(const list<string>& modules);
/**
* Specify the kernel-level Click mount directory.
*
* @param directory the kernel-level Click mount directory.
*/
void set_kernel_click_mount_directory(const string& directory);
/**
* Specify the external program to generate the kernel-level Click
* configuration.
*
* @param v the name of the external program to generate the kernel-level
* Click configuration.
*/
void set_kernel_click_config_generator_file(const string& v);
/**
* Enable/disable user-level Click support.
*
* @param enable if true, then enable the user-level Click support,
* otherwise disable it.
*/
void enable_user_click(bool enable);
/**
* Specify the user-level Click command file.
*
* @param v the name of the user-level Click command file.
*/
void set_user_click_command_file(const string& v);
/**
* Specify the extra arguments to the user-level Click command.
*
* @param v the extra arguments to the user-level Click command.
*/
void set_user_click_command_extra_arguments(const string& v);
/**
* Specify whether to execute on startup the user-level Click command.
*
* @param v if true, then execute the user-level Click command on startup.
*/
void set_user_click_command_execute_on_startup(bool v);
/**
* Specify the address to use for control access to the user-level
* Click.
*
* @param v the address to use for control access to the user-level Click.
*/
void set_user_click_control_address(const IPv4& v);
/**
* Specify the socket port to use for control access to the user-level
* Click.
*
* @param v the socket port to use for control access to the user-level
* Click.
*/
void set_user_click_control_socket_port(uint32_t v);
/**
* Specify the configuration file to be used by user-level Click on
* startup.
*
* @param v the name of the configuration file to be used by user-level
* Click on startup.
*/
void set_user_click_startup_config_file(const string& v);
/**
* Specify the external program to generate the user-level Click
* configuration.
*
* @param v the name of the external program to generate the user-level
* Click configuration.
*/
void set_user_click_config_generator_file(const string& v);
/**
* Start a configuration interval. All modifications must be
* within a marked "configuration" interval.
*
* @param error_msg the error message (if error).
* @return true if configuration successfully started.
*/
bool start_configuration(string& error_msg);
/**
* End of configuration interval.
*
* @param error_msg the error message (if error).
* @return true configuration success pushed down into forwarding table.
*/
bool end_configuration(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);
/**
* 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();
/**
* Lookup a route by destination address.
*
* @param dst host address to resolve.
* @param fte return-by-reference forwarding table entry.
*
* @return true on success, otherwise false.
*/
virtual bool lookup_route_by_dest4(const IPv4& dst, Fte4& fte);
/**
* Lookup route by network address.
*
* @param dst network address to resolve.
* @param fte return-by-reference forwarding table entry.
*
* @return true on success, otherwise false.
*/
virtual bool lookup_route_by_network4(const IPv4Net& dst, Fte4& fte);
/**
* Obtain the unicast forwarding table.
*
* @param fte_list the return-by-reference list with all entries in
* the unicast forwarding table.
*
* @return true on success, otherwise false.
*/
virtual bool get_table4(list<Fte4>& fte_list);
/**
* 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);
/**
* 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 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);
/**
* Delete all entries in the routing table. Must be within a
* configuration interval.
*
* @return true on success, otherwise false.
*/
virtual bool delete_all_entries6();
/**
* Lookup a route by destination address.
*
* @param dst host address to resolve.
* @param fte return-by-reference forwarding table entry.
*
* @return true on success, otherwise false.
*/
virtual bool lookup_route_by_dest6(const IPv6& dst, Fte6& fte);
/**
* Lookup route by network address.
*
* @param dst network address to resolve.
* @param fte return-by-reference forwarding table entry.
*
* @return true on success, otherwise false.
*/
virtual bool lookup_route_by_network6(const IPv6Net& dst, Fte6& fte);
/**
* Obtain the unicast forwarding table.
*
* @param fte_list the return-by-reference list with all entries in
* the unicast forwarding table.
*
* @return true on success, otherwise false.
*/
virtual bool get_table6(list<Fte6>& fte_list);
/**
* Add a FIB table observer.
*
* @param fib_table_observer the FIB table observer to add.
* @return true on success, otherwise false.
*/
bool add_fib_table_observer(FibTableObserverBase* fib_table_observer);
/**
* Delete a FIB table observer.
*
* @param fib_table_observer the FIB table observer to delete.
* @return true on success, otherwise false.
*/
bool delete_fib_table_observer(FibTableObserverBase* fib_table_observer);
/**
* Return true if the underlying system supports IPv4.
*
* @return true if the underlying system supports IPv4, otherwise false.
*/
bool have_ipv4() const { return _have_ipv4; }
/**
* Return true if the underlying system supports IPv6.
*
* @return true if the underlying system supports IPv6, otherwise false.
*/
bool have_ipv6() const { return _have_ipv6; }
/**
* Test if the underlying system supports IPv4.
*
* @return true if the underlying system supports IPv4, otherwise false.
*/
bool test_have_ipv4() const;
/**
* Test if the underlying system supports IPv6.
*
* @return true if the underlying system supports IPv6, otherwise false.
*/
bool test_have_ipv6() const;
/**
* Test whether the IPv4 unicast forwarding engine is enabled or disabled
* to forward packets.
*
* @param ret_value if true on return, then the IPv4 unicast forwarding
* is enabled, otherwise is disabled.
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
int unicast_forwarding_enabled4(bool& ret_value, string& error_msg) const;
/**
* Test whether the IPv6 unicast forwarding engine is enabled or disabled
* to forward packets.
*
* @param ret_value if true on return, then the IPv6 unicast forwarding
* is enabled, otherwise is disabled.
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
int unicast_forwarding_enabled6(bool& ret_value, string& error_msg) const;
/**
* Test whether the acceptance of IPv6 Router Advertisement messages is
* enabled or disabled.
*
* @param ret_value if true on return, then the acceptance of IPv6 Router
* Advertisement messages is enabled, otherwise is disabled.
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
int accept_rtadv_enabled6(bool& ret_value, string& error_msg) const;
/**
* Set the IPv4 unicast forwarding engine to enable or disable forwarding
* of packets.
*
* @param v if true, then enable IPv4 unicast forwarding, otherwise
* disable it.
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
int set_unicast_forwarding_enabled4(bool v, string& error_msg);
/**
* Set the IPv6 unicast forwarding engine to enable or disable forwarding
* of packets.
*
* @param v if true, then enable IPv6 unicast forwarding, otherwise
* disable it.
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
int set_unicast_forwarding_enabled6(bool v, string& error_msg);
/**
* Enable or disable the acceptance of IPv6 Router Advertisement messages
* from other routers. It should be enabled for hosts, and disabled for
* routers.
*
* @param v if true, then enable the acceptance of IPv6 Router
* Advertisement messages, otherwise disable it.
* @param error_msg the error message (if error).
* @return XORP_OK on success, otherwise XORP_ERROR.
*/
int set_accept_rtadv_enabled6(bool v, string& error_msg);
/**
* Get the IPv4 Trie (used for testing purpose).
*
* @return the IPv4 Trie.
*/
Trie4& trie4() { return _trie4; }
/**
* Get the IPv6 Trie (used for testing purpose).
*
* @return the IPv6 Trie.
*/
Trie6& trie6() { return _trie6; }
protected:
Trie4 _trie4; // IPv4 trie (used for testing purpose)
Trie6 _trie6; // IPv6 trie (used for testing purpose)
private:
EventLoop& _eventloop;
Profile& _profile;
NexthopPortMapper& _nexthop_port_mapper;
const IfTree& _iftree;
FtiConfigEntryGet* _ftic_entry_get_primary;
FtiConfigEntrySet* _ftic_entry_set_primary;
FtiConfigEntryObserver* _ftic_entry_observer_primary;
FtiConfigTableGet* _ftic_table_get_primary;
FtiConfigTableSet* _ftic_table_set_primary;
FtiConfigTableObserver* _ftic_table_observer_primary;
list<FtiConfigEntryGet*> _ftic_entry_gets_secondary;
list<FtiConfigEntrySet*> _ftic_entry_sets_secondary;
list<FtiConfigEntryObserver*> _ftic_entry_observers_secondary;
list<FtiConfigTableGet*> _ftic_table_gets_secondary;
list<FtiConfigTableSet*> _ftic_table_sets_secondary;
list<FtiConfigTableObserver*> _ftic_table_observers_secondary;
//
// The primary mechanisms to get single-entry information
// from the unicast forwarding table.
//
// XXX: Ordering is important: the last that is supported
// is the one to use.
//
FtiConfigEntryGetDummy _ftic_entry_get_dummy;
FtiConfigEntryGetRtsock _ftic_entry_get_rtsock;
FtiConfigEntryGetNetlink _ftic_entry_get_netlink;
FtiConfigEntryGetIPHelper _ftic_entry_get_iphelper;
//FtiConfigEntryGetRtmV2 _ftic_entry_get_rtmv2;
//
// The secondary mechanisms to get single-entry information
// from the unicast forwarding table.
//
// XXX: Ordering is not important.
//
FtiConfigEntryGetClick _ftic_entry_get_click;
//
// The primary mechanisms to set single-entry information
// into the unicast forwarding table.
//
// XXX: Ordering is important: the last that is supported
// is the one to use.
//
FtiConfigEntrySetDummy _ftic_entry_set_dummy;
FtiConfigEntrySetRtsock _ftic_entry_set_rtsock;
FtiConfigEntrySetNetlink _ftic_entry_set_netlink;
FtiConfigEntrySetIPHelper _ftic_entry_set_iphelper;
FtiConfigEntrySetRtmV2 _ftic_entry_set_rtmv2;
//
// The secondary mechanisms to set single-entry information
// into the unicast forwarding table.
//
// XXX: Ordering is not important.
//
FtiConfigEntrySetClick _ftic_entry_set_click;
//
// The primary mechanisms to observe single-entry information change
// about the unicast forwarding table.
// E.g., if the forwarding table has changed, then the information
// received by the observer would specify the particular entry that
// has changed.
//
// XXX: Ordering is important: the last that is supported
// is the one to use.
//
FtiConfigEntryObserverDummy _ftic_entry_observer_dummy;
FtiConfigEntryObserverRtsock _ftic_entry_observer_rtsock;
FtiConfigEntryObserverNetlink _ftic_entry_observer_netlink;
FtiConfigEntryObserverIPHelper _ftic_entry_observer_iphelper;
//FtiConfigEntryObserverRtmV2 _ftic_entry_observer_rtmv2;
//
// The primary mechanisms to get the whole table information
// from the unicast forwarding table.
//
// XXX: Ordering is important: the last that is supported
// is the one to use.
//
FtiConfigTableGetDummy _ftic_table_get_dummy;
FtiConfigTableGetSysctl _ftic_table_get_sysctl;
FtiConfigTableGetNetlink _ftic_table_get_netlink;
FtiConfigTableGetIPHelper _ftic_table_get_iphelper;
//
// The secondary mechanisms to get the whole table information
// from the unicast forwarding table.
//
// XXX: Ordering is not important.
//
FtiConfigTableGetClick _ftic_table_get_click;
//
// The primary mechanisms to set the whole table information
// into the unicast forwarding table.
//
// XXX: Ordering is important: the last that is supported
// is the one to use.
//
FtiConfigTableSetDummy _ftic_table_set_dummy;
FtiConfigTableSetRtsock _ftic_table_set_rtsock;
FtiConfigTableSetNetlink _ftic_table_set_netlink;
FtiConfigTableSetIPHelper _ftic_table_set_iphelper;
//FtiConfigTableSetRtmV2 _ftic_table_set_rtmv2;
//
// The secondary mechanisms to set the whole table information
// into the unicast forwarding table.
//
// XXX: Ordering is not important.
//
FtiConfigTableSetClick _ftic_table_set_click;
//
// The primary mechanisms to observe the whole-table information change
// about the unicast forwarding table.
// E.g., if the forwarding table has changed, then the information
// received by the observer would NOT specify the particular entry that
// has changed.
//
// XXX: Ordering is important: the last that is supported
// is the one to use.
//
FtiConfigTableObserverDummy _ftic_table_observer_dummy;
FtiConfigTableObserverRtsock _ftic_table_observer_rtsock;
FtiConfigTableObserverNetlink _ftic_table_observer_netlink;
FtiConfigTableObserverIPHelper _ftic_table_observer_iphelper;
FtiConfigTableObserverRtmV2 _ftic_table_observer_rtmv2;
//
// Original state from the underlying system before the FEA was started
//
bool _unicast_forwarding_enabled4;
bool _unicast_forwarding_enabled6;
bool _accept_rtadv_enabled6;
//
// Misc other state
//
bool _have_ipv4;
bool _have_ipv6;
bool _is_dummy;
bool _is_running;
#ifdef HOST_OS_WINDOWS
//
// State for Windows EnableRouter() API function.
//
HANDLE _event;
OVERLAPPED _overlapped;
int _enablecnt;
#endif
};
//
// Flag values for FtiFibMsgSet, used to tell underlying FIB message
// parsing routines which messages the caller is interested in.
//
namespace FtiFibMsg {
const unsigned long UPDATES = 0x1, GETS = 0x2, RESOLVES = 0x4;
};
#endif // __FEA_FTICONFIG_HH__
Generated by: pavlin on possum.icir.org on Wed Aug 2 15:36:19 2006, using kdoc $.
