+/* This file is part of Metaproxy.
+ Copyright (C) 2005-2009 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 <boost/noncopyable.hpp>
+#include <string>
#include <stdexcept>
-#include <list>
-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 filter::Base *>::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<const filter::Base *> 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
*/
+