X-Git-Url: http://sru.miketaylor.org.uk/?a=blobdiff_plain;f=src%2Frouter.hpp;h=e85d583e1dee7f77ec39f10e77cb080e1e98b57a;hb=665559cbc22546e8df69be33a7d492294cab9fb1;hp=d92db4c0ed71a23dca03916b03940ce8f9f29fc8;hpb=b84218609efb976d5b5270bd9e95a3c421af3a13;p=metaproxy-moved-to-github.git diff --git a/src/router.hpp b/src/router.hpp index d92db4c..e85d583 100644 --- a/src/router.hpp +++ b/src/router.hpp @@ -1,98 +1,63 @@ +/* This file is part of Metaproxy. + Copyright (C) 2005-2008 Index Data + +Metaproxy is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +Metaproxy is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ #ifndef ROUTER_HPP #define ROUTER_HPP +#include +#include #include -#include -namespace yp2 { +namespace metaproxy_1 +{ namespace filter { class Base; } - class Package; + class RoutePos; class RouterException : public std::runtime_error { public: RouterException(const std::string message) : std::runtime_error("RouterException: " + message){}; }; - - - class Router { + + class Router : boost::noncopyable { public: Router(){}; virtual ~Router(){}; - /// determines next Filter to use from current Filter and Package - virtual const filter::Base *move(const filter::Base *filter, - const Package *package) const { - return 0; - }; - - /// re-read configuration of routing tables - virtual void configure(){}; - - /// add routing rule expressed as Filter to Router - virtual Router & rule(const filter::Base &filter){ - return *this; - } - private: - /// disabled because class is singleton - Router(const Router &); - - /// disabled because class is singleton - Router& operator=(const Router &); + virtual RoutePos *createpos() const = 0; }; - - - class RouterChain : public Router { - public: - RouterChain(){}; - virtual ~RouterChain(){}; - virtual const filter::Base *move(const filter::Base *filter, - const Package *package) const { - std::list::const_iterator it; - it = m_filter_list.begin(); - if (filter) - { - for (; it != m_filter_list.end(); it++) - if (*it == filter) - { - it++; - break; - } - } - if (it == m_filter_list.end()) - { - //throw RouterException("no routing rules known"); - return 0; - } - return *it; - }; - virtual void configure(){}; - RouterChain & rule(const filter::Base &filter){ - m_filter_list.push_back(&filter); - return *this; - } - protected: - std::list m_filter_list; - private: - /// disabled because class is singleton - RouterChain(const RouterChain &); - /// disabled because class is singleton - RouterChain& operator=(const RouterChain &); + class RoutePos : boost::noncopyable { + public: + virtual const filter::Base *move(const char *route) = 0; + virtual RoutePos *clone() = 0; + virtual ~RoutePos() {}; }; - - - } - #endif /* * Local variables: * c-basic-offset: 4 + * c-file-style: "Stroustrup" * indent-tabs-mode: nil * End: * vim: shiftwidth=4 tabstop=8 expandtab */ +