DTNTunnel.h

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00001 /*
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00005  * install, copy or use the software.
00006  * 
00007  * Intel Open Source License 
00008  * 
00009  * Copyright (c) 2006 Intel Corporation. All rights reserved. 
00010  * 
00011  * Redistribution and use in source and binary forms, with or without
00012  * modification, are permitted provided that the following conditions are
00013  * met:
00014  * 
00015  *   Redistributions of source code must retain the above copyright
00016  *   notice, this list of conditions and the following disclaimer.
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00018  *   Redistributions in binary form must reproduce the above copyright
00019  *   notice, this list of conditions and the following disclaimer in the
00020  *   documentation and/or other materials provided with the distribution.
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00022  *   Neither the name of the Intel Corporation nor the names of its
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00024  *   this software without specific prior written permission.
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00038 #ifndef _DTNTUNNEL_H_
00039 #define _DTNTUNNEL_H_
00040 
00041 #include <sys/types.h>
00042 #include <netinet/in.h>
00043 #include <netdb.h>
00044 
00045 #include <dtn_api.h>
00046 #include <APIBundleQueue.h>
00047 #include <oasys/debug/Log.h>
00048 #include <oasys/thread/Mutex.h>
00049 #include <oasys/util/Singleton.h>
00050 
00051 namespace dtntunnel {
00052 
00053 class TCPTunnel;
00054 class UDPTunnel;
00055 
00059 class DTNTunnel : public oasys::Logger,
00060                   public oasys::Singleton<DTNTunnel>
00061 {
00062 public:
00064     DTNTunnel();
00065 
00072     struct BundleHeader {
00073         BundleHeader() {} 
00074 
00075         BundleHeader(u_int8_t  protocol,
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             : protocol_(protocol),
00082               seqno_(seqno),
00083               client_addr_(client_addr),
00084               remote_addr_(remote_addr),
00085               client_port_(client_port),
00086               remote_port_(remote_port)
00087         {
00088         }
00089 
00090         u_int8_t  protocol_;
00091         u_int32_t seqno_;
00092         u_int32_t client_addr_;
00093         u_int32_t remote_addr_;
00094         u_int16_t client_port_;
00095         u_int16_t remote_port_;
00096                              
00097     } __attribute__((packed));
00098 
00101     int send_bundle(dtn::APIBundle* bundle, dtn_endpoint_id_t* dest_eid);
00102 
00104     int handle_bundle(dtn_bundle_spec_t* spec,
00105                       dtn_bundle_payload_t* payload);
00106 
00108     int main(int argc, char* argv[]);
00109 
00111     u_int max_size()              { return max_size_; }
00112     dtn_endpoint_id_t* dest_eid() { return &dest_eid_; }
00113 
00114 protected:
00115     std::string         loglevelstr_;
00116     oasys::log_level_t  loglevel_;
00117     std::string         logfile_;
00118 
00119     UDPTunnel*          udptunnel_;
00120     TCPTunnel*          tcptunnel_;
00121 
00122     dtn_handle_t        recv_handle_;
00123     dtn_handle_t        send_handle_;
00124     oasys::Mutex        send_lock_;
00125     bool                listen_;
00126     dtn_endpoint_id_t   local_eid_;
00127     dtn_endpoint_id_t   dest_eid_;
00128     u_int               expiration_;
00129     bool                tcp_;
00130     bool                udp_;
00131     in_addr_t           local_addr_;
00132     u_int16_t           local_port_;
00133     in_addr_t           remote_addr_;
00134     u_int16_t           remote_port_;
00135     u_int               max_size_;
00136 
00137     void init_log();
00138     void init_tunnel();
00139     void init_registration();
00140     void get_options(int argc, char* argv[]);
00141 };
00142 
00143 } // namespace dtntunnel
00144 
00145 #endif /* _DTNTUNNEL_H_ */

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