1 /*

     2  *    Copyright 2006 Intel Corporation

     3  * 

     4  *    Licensed under the Apache License, Version 2.0 (the "License");

     5  *    you may not use this file except in compliance with the License.

     6  *    You may obtain a copy of the License at

     7  * 

     8  *        http://www.apache.org/licenses/LICENSE-2.0

     9  * 

    10  *    Unless required by applicable law or agreed to in writing, software

    11  *    distributed under the License is distributed on an "AS IS" BASIS,

    12  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    13  *    See the License for the specific language governing permissions and

    14  *    limitations under the License.

    15  */

    16 

    17 #ifndef _IPTUNNEL_H_

    18 #define _IPTUNNEL_H_

    19 

    20 #include <oasys/debug/Log.h>

    21 

    22 #include <dtn_api.h>

    23 #include <APIBundleQueue.h>

    24 

    25 namespace dtntunnel {

    26 

    27 /**

    28  * Pure virtual base class for tunneling of IP protocols.

    29  */

    30 class IPTunnel : public oasys::Logger {

    31 public:

    32     /// Constructor

    33     IPTunnel(const char* classname, const char* logpath)

    34         : Logger(classname, "%s", logpath) {}

    35     

    36     /// Destructor

    37     virtual ~IPTunnel() {}

    38     

    39     /// Add a new listener

    40     virtual void add_listener(in_addr_t listen_addr,

    41                               u_int16_t listen_port,

    42                               in_addr_t remote_addr,

    43                               u_int16_t remote_port) = 0;

    44     

    45     /// Handle a newly arriving bundle. The tunnel should take

    46     /// ownership of the bundle structure and handle cleanup.

    47     virtual void handle_bundle(dtn::APIBundle* data) = 0;

    48 };

    49 

    50 } // namespace dtntunnel

    51 

    52 #endif /* _IPTUNNEL_H_ */