// -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*- // Copyright (c) 2001-2005 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/libproto/proto_unit.hh,v 1.9 2005/03/25 02:53:24 pavlin Exp $ #ifndef __LIBPROTO_PROTO_UNIT_HH__ #define __LIBPROTO_PROTO_UNIT_HH__ #include "libxorp/xorp.h" #include "proto_state.hh" // // Protocol unit generic functionality // // // Constants definitions // // // Structures/classes, typedefs and macros // /** * @short The unique module IDs (one per protocol or module). * * Note: the module IDs must be consistent with the _xorp_module_name * definition in file proto_unit.cc (TODO: a temporary solution). */ enum xorp_module_id { XORP_MODULE_MIN = 0, XORP_MODULE_NULL = 0, XORP_MODULE_FEA = 1, XORP_MODULE_MFEA = 2, XORP_MODULE_MLD6IGMP = 3, XORP_MODULE_PIMSM = 4, XORP_MODULE_PIMDM = 5, XORP_MODULE_BGMP = 6, XORP_MODULE_BGP = 7, XORP_MODULE_OSPF = 8, XORP_MODULE_RIP = 9, XORP_MODULE_CLI = 10, XORP_MODULE_RIB = 11, XORP_MODULE_RTRMGR = 12, XORP_MODULE_STATIC_ROUTES = 13, XORP_MODULE_FIB2MRIB = 14, XORP_MODULE_MAX }; /** * @short Base class for each protocol unit (node, vif, etc). */ class ProtoUnit : public ProtoState { public: /** * Constructor for a given address family and module ID. * * @param init_family the address family. * @param init_module_id the module ID (@ref xorp_module_id). */ ProtoUnit(int init_family, xorp_module_id init_module_id); /** * Destructor */ virtual ~ProtoUnit(); /** * Get the address family. * * @return the address family (e.g., AF_INET or AF_INET6 for IPv4 and * IPv6 respectively). */ int family() const { return (_family); } /** * Get the module ID. * * @return the module ID (@ref xorp_module_id). */ xorp_module_id module_id() const { return (_module_id); } /** * Get the current protocol version. * * @return the current protocol version. */ int proto_version() const { return (_proto_version); } /** * Set the current protocol version. * * @param v the protocol version. */ void set_proto_version(int v) { _proto_version = v; } /** * Get the default protocol version. * * @return the default protocol version. */ int proto_version_default() const { return (_proto_version_default); } /** * Set the default protocol version. * * @param v the default protocol version. */ void set_proto_version_default(int v) { _proto_version_default = v;} /** * Test if the address family of the unit is IPv4. * * @return true if the address family of the unit is IPv4. */ bool is_ipv4() const { return (_family == AF_INET); } /** * Test if the address family of the unit is IPv6. * * @return true if the address family of the unit is IPv6. */ bool is_ipv6() const { return (_family == AF_INET6); } /** * Get the module name. * * TODO: temporary, all names are listed in "_xorp_module_name[][]" * in proto_unit.cc. * * @return C-style string with the module name. */ const char *module_name() const { return (_module_name.c_str()); } /** * Get the communication handler for this unit. * * Note: currently, the purpose of the communication handler is undefined. * * @return the communication handler for this unit. */ int comm_handler() const { return (_comm_handler); } /** * Set the communication handler for this unit. * * @param v the communication handler to set for this unit. */ void set_comm_handler(int v) { _comm_handler = v; } // // Protocol tests // /** * Test if the protocol is MLD6 or IGMP. * * @return true if the protocol is MLD6 or IGMP. */ bool proto_is_mld6igmp() const { return (_module_id == XORP_MODULE_MLD6IGMP); } /** * Test if the protocol is IGMP. * * @return true if the protocol is IGMP. */ bool proto_is_igmp() const { return (proto_is_mld6igmp() && is_ipv4()); } /** * Test if the protocol is MLD6. * * @return true if the protocol is MLD6. */ bool proto_is_mld6() const { return (proto_is_mld6igmp() && is_ipv6()); } /** * Test if the protocol is PIM-SM. * * @return true if the protocol is PIM-SM. */ bool proto_is_pimsm() const { return (_module_id == XORP_MODULE_PIMSM); } /** * Test if the protocol is PIM-DM. * * @return true if the protocol is PIM-DM. */ bool proto_is_pimdm() const { return (_module_id == XORP_MODULE_PIMDM); } /** * Test if the protocol is BGMP. * * @return true if the protocol is BGMP. */ bool proto_is_bgmp() const { return (_module_id == XORP_MODULE_BGMP); } /** * Test if the protocol is BGP. * * @return true if the protocol is BGP. */ bool proto_is_bgp() const { return (_module_id == XORP_MODULE_BGP); } /** * Test if the protocol is OSPF. * * @return true if the protocol is OSPF. */ bool proto_is_ospf() const { return (_module_id == XORP_MODULE_OSPF); } /** * Test if the protocol is RIP. * * @return true if the protocol is RIP. */ bool proto_is_rip() const { return (_module_id == XORP_MODULE_RIP); } /** * Test if the protocol is StaticRoutes. * * @return true if the protocol is StaticRoutes */ bool proto_is_static_routes() const { return (_module_id == XORP_MODULE_STATIC_ROUTES); } /** * Test if the protocol is Fib2mrib. * * @return true if the protocol is Fib2mrib */ bool proto_is_fib2mrib() const { return (_module_id == XORP_MODULE_FIB2MRIB); } private: int _family; // The address family. xorp_module_id _module_id; // The module ID (XORP_MODULE_*). int _comm_handler; // The communication handler. int _proto_version; // Protocol version (proto. specific). int _proto_version_default; // Default protocol version. string _module_name; // The module name. }; // // Global variables // // // Global functions prototypes // /** * Get the module name for a given address family and module ID. * * TODO: temporary, all names are listed in "_xorp_module_name[][]" * in proto_unit.cc. * * @param family the address family (e.g., AF_INET or AF_INET6 for * IPv4 and IPv6 respectively). * @param module_id the module ID (@ref xorp_module_id). * @return C-style string with the module name. */ const char *xorp_module_name(int family, xorp_module_id module_id); /** * Convert from module name to module ID. * * The module name must be a valid name returned by @ref xorp_module_name(). * * @param module_name the module name. * @return the module ID (@ref xorp_module_id) if @ref module_name is valid, * otherwise @ref XORP_MODULE_NULL. */ xorp_module_id xorp_module_name2id(const char *module_name); /** * Test if a module ID is valid. * * A valid module ID is defined as valid if it is in the interval * [@ref XORP_MODULE_MIN, @ref XORP_MODULE_MAX). * * @param module_id the module ID to test (@ref xorp_module_id). * @return true if @ref module_id is valid, otherwise false. */ bool is_valid_module_id(xorp_module_id module_id); #endif // __LIBPROTO_PROTO_UNIT_HH__