1 /*

     2  *    Copyright 2007 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 _SIMLOG_H_

    18 #define _SIMLOG_H_

    19 

    20 #include <oasys/io/FileIOClient.h>

    21 #include <oasys/util/Singleton.h>

    22 #include <oasys/util/StringBuffer.h>

    23 

    24 namespace dtn {

    25 class Bundle;

    26 }

    27 

    28 using namespace dtn;

    29 

    30 namespace dtnsim {

    31 

    32 class Node;

    33 

    34 /**

    35  * Class for more structured logging of bundle generation / reception.

    36  */

    37 class SimLog : public oasys::Singleton<SimLog> {

    38 public:

    39     SimLog();

    40 

    41     void log_gen(Node* n, Bundle* b)     { log_entry("GEN", n, b); }

    42     void log_recv(Node* n, Bundle* b)    { log_entry("RECV", n, b); }

    43     void log_xmit(Node* n, Bundle* b)    { log_entry("XMIT", n, b); }

    44     void log_arrive(Node* n, Bundle* b)  { log_entry("ARR", n, b); }

    45     void log_dup(Node* n, Bundle* b)     { log_entry("DUP", n, b); }

    46     void log_expire(Node* n, Bundle* b)  { log_entry("EXP", n, b); }

    47     void log_inqueue(Node* n, Bundle* b) { log_entry("INQ", n, b); }

    48 

    49     void flush();

    50     

    51 protected:

    52     void log_entry(const char* what, Node* n, Bundle* b);

    53     

    54     oasys::FileIOClient* file_;

    55     oasys::StringBuffer buf_;

    56 };

    57 

    58 } // namespace dtnsim

    59 

    60 #endif /* _SIMLOG_H_ */