UDPTunnel.h

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00001 /*
00002  *    Copyright 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 _UDPTUNNEL_H_
00018 #define _UDPTUNNEL_H_
00019 
00020 #include <dtn_api.h>
00021 
00022 #include <oasys/debug/Log.h>
00023 #include <oasys/io/UDPClient.h>
00024 #include <oasys/thread/MsgQueue.h>
00025 #include <oasys/thread/Thread.h>
00026 #include <oasys/util/ExpandableBuffer.h>
00027 
00028 #include "IPTunnel.h"
00029 
00030 namespace dtntunnel {
00031 
00032 class DTNTunnel;
00033 
00034 class UDPTunnel : public IPTunnel {
00035 public:
00037     UDPTunnel();
00038 
00040     void add_listener(in_addr_t listen_addr, u_int16_t listen_port,
00041                       in_addr_t remote_addr, u_int16_t remote_port);
00042     
00044     void handle_bundle(dtn::APIBundle* bundle);
00045 
00046 protected:
00048     oasys::UDPClient sock_;
00049     
00051     class Listener : public oasys::Thread, public oasys::Logger {
00052     public:
00054         Listener(in_addr_t listen_addr, u_int16_t listen_port,
00055                  in_addr_t remote_addr, u_int16_t remote_port);
00056         
00057     protected:
00059         void run();
00060         
00062         oasys::UDPClient sock_;
00063 
00065         char recv_buf_[65536];
00066         
00069         in_addr_t listen_addr_;
00070         u_int16_t listen_port_;
00071         in_addr_t remote_addr_;
00072         u_int16_t remote_port_;
00074     };
00075     
00076 };
00077 
00078 } // namespace dtntunnel
00079 
00080 #endif /* _UDPTUNNEL_H_ */

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