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_ */