DTNTunnel.h

Go to the documentation of this file.
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 _DTNTUNNEL_H_
00018 #define _DTNTUNNEL_H_
00019 
00020 #include <sys/types.h>
00021 #include <netinet/in.h>
00022 #include <netdb.h>
00023 
00024 #include <dtn_api.h>
00025 #include <APIBundleQueue.h>
00026 #include <oasys/debug/Log.h>
00027 #include <oasys/thread/Mutex.h>
00028 #include <oasys/util/Singleton.h>
00029 
00030 namespace dtntunnel {
00031 
00032 class TCPTunnel;
00033 class UDPTunnel;
00034 
00038 class DTNTunnel : public oasys::Logger,
00039                   public oasys::Singleton<DTNTunnel>
00040 {
00041 public:
00043     DTNTunnel();
00044 
00051     struct BundleHeader {
00052         BundleHeader()
00053         {
00054             memset(this, 0, sizeof(BundleHeader));
00055         }
00056         
00057         BundleHeader(u_int8_t  protocol,
00058                      u_int8_t  eof,
00059                      u_int32_t seqno,
00060                      u_int32_t client_addr,
00061                      u_int32_t remote_addr,
00062                      u_int16_t client_port,
00063                      u_int16_t remote_port)
00064             : protocol_(protocol),
00065               eof_(eof),
00066               seqno_(seqno),
00067               client_addr_(client_addr),
00068               remote_addr_(remote_addr),
00069               client_port_(client_port),
00070               remote_port_(remote_port)
00071         {
00072         }
00073 
00074         u_int8_t  protocol_;
00075         u_int8_t  eof_;
00076         u_int32_t seqno_;
00077         u_int32_t client_addr_;
00078         u_int32_t remote_addr_;
00079         u_int16_t client_port_;
00080         u_int16_t remote_port_;
00081                              
00082     } __attribute__((packed));
00083 
00088     int send_bundle(dtn::APIBundle* bundle, dtn_endpoint_id_t* dest_eid);
00089 
00091     int handle_bundle(dtn_bundle_spec_t* spec,
00092                       dtn_bundle_payload_t* payload);
00093 
00095     int main(int argc, char* argv[]);
00096 
00098     u_int max_size()              { return max_size_; }
00099     u_int delay()                 { return delay_; }
00100     dtn_endpoint_id_t* dest_eid() { return &dest_eid_; }
00101 
00102 protected:
00103     std::string         loglevelstr_;
00104     oasys::log_level_t  loglevel_;
00105     std::string         logfile_;
00106 
00107     UDPTunnel*          udptunnel_;
00108     TCPTunnel*          tcptunnel_;
00109 
00110     dtn_handle_t        recv_handle_;
00111     dtn_handle_t        send_handle_;
00112     oasys::Mutex        send_lock_;
00113     bool                listen_;
00114     dtn_endpoint_id_t   local_eid_;
00115     dtn_endpoint_id_t   dest_eid_;
00116     bool                custody_;
00117     u_int               expiration_;
00118     bool                tcp_;
00119     bool                udp_;
00120     in_addr_t           local_addr_;
00121     u_int16_t           local_port_;
00122     in_addr_t           remote_addr_;
00123     u_int16_t           remote_port_;
00124     u_int               delay_;
00125     u_int               max_size_;
00126 
00127     void init_log();
00128     void init_tunnel();
00129     void init_registration();
00130     void get_options(int argc, char* argv[]);
00131 };
00132 
00133 } // namespace dtntunnel
00134 
00135 #endif /* _DTNTUNNEL_H_ */

Generated on Thu Jun 7 12:54:27 2007 for DTN Reference Implementation by  doxygen 1.5.1