TableBasedRouter.h

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00001 /*
00002  *    Copyright 2005-2006 Intel Corporation
00003  * 
00004  *    Licensed under the Apache License, Version 2.0 (the "License");
00005  *    you may not use this file except in compliance with the License.
00006  *    You may obtain a copy of the License at
00007  * 
00008  *        http://www.apache.org/licenses/LICENSE-2.0
00009  * 
00010  *    Unless required by applicable law or agreed to in writing, software
00011  *    distributed under the License is distributed on an "AS IS" BASIS,
00012  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  *    See the License for the specific language governing permissions and
00014  *    limitations under the License.
00015  */
00016 
00017 #ifndef _TABLE_BASED_ROUTER_H_
00018 #define _TABLE_BASED_ROUTER_H_
00019 
00020 #include "BundleRouter.h"
00021 
00022 namespace dtn {
00023 
00024 class RouteTable;
00025 
00030 class TableBasedRouter : public BundleRouter {
00031 protected:
00036     TableBasedRouter(const char* classname, const std::string& name);
00037 
00041     virtual ~TableBasedRouter();
00042 
00048     virtual void handle_event(BundleEvent* event);
00049 
00054     virtual void handle_bundle_received(BundleReceivedEvent* event);
00055     
00059     virtual void handle_bundle_transmit_failed(BundleTransmitFailedEvent* event);
00060     
00068     virtual void handle_route_add(RouteAddEvent* event);
00069 
00074     virtual void handle_route_del(RouteDelEvent* event);
00075     
00080     virtual void handle_contact_up(ContactUpEvent* event);
00081 
00085     virtual void handle_link_available(LinkAvailableEvent* event);
00086 
00090     virtual void handle_link_created(LinkCreatedEvent* event);
00091 
00095     virtual void handle_custody_timeout(CustodyTimeoutEvent* event);
00096     
00100     void get_routing_state(oasys::StringBuffer* buf);
00101     
00105     void add_route(RouteEntry *entry);
00106 
00110     void del_route(const EndpointIDPattern& id);
00111 
00115     virtual void fwd_to_nexthop(Bundle* bundle, RouteEntry* route);
00116 
00124     virtual bool should_fwd(const Bundle* bundle, RouteEntry* route);
00125     
00137     virtual int fwd_to_matching(Bundle* bundle, Link* this_link_only = NULL);
00138 
00147     virtual void check_next_hop(Link* next_hop);
00148 
00150     RouteTable* route_table_;
00151 };
00152 
00153 } // namespace dtn
00154 
00155 #endif /* _TABLE_BASED_ROUTER_H_ */

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