1 /*

     2  *    Copyright 2004-2006 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 _INTERFACE_H_

    18 #define _INTERFACE_H_

    19 

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

    21 #include <vector>

    22 

    23 namespace dtn {

    24 

    25 class ConvergenceLayer;

    26 class CLInfo;

    27 

    28 /**

    29  * Abstraction of a local dtn interface.

    30  *

    31  * Generally, interfaces are created by the configuration file /

    32  * console.

    33  */

    34 class Interface {

    35 public:

    36     // Accessors

    37     const std::string& name()    const { return name_; }

    38     const std::string& proto()   const { return proto_; }

    39     ConvergenceLayer*  clayer()  const { return clayer_; }

    40     CLInfo*	       cl_info() const { return cl_info_; }

    41 

    42     /**

    43      * Store the ConvergenceLayer specific state.

    44      */

    45     void set_cl_info(CLInfo* cl_info)

    46     {

    47         ASSERT((cl_info_ == NULL && cl_info != NULL) ||

    48                (cl_info_ != NULL && cl_info == NULL));

    49         

    50         cl_info_ = cl_info;

    51     }

    52 

    53 protected:

    54     friend class InterfaceTable;

    55     

    56     Interface(const std::string& name,

    57               const std::string& proto,

    58               ConvergenceLayer* clayer);

    59     ~Interface();

    60     

    61     std::string name_;		///< Name of the interface

    62     std::string proto_;		///< What type of CL

    63     ConvergenceLayer* clayer_;	///< Convergence layer to use

    64     CLInfo* cl_info_;		///< Convergence layer specific state

    65 };

    66 

    67 } // namespace dtn

    68 

    69 #endif /* _INTERFACE_H_ */