// -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*- // Copyright (c) 2001-2007 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 1.24 2007/02/16 22:45:38 pavlin 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__