ForwardingLog.h

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00001 /*
00002  *    Copyright 2005-2006 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 _FORWARDINGLOG_H_
00018 #define _FORWARDINGLOG_H_
00019 
00020 #include <vector>
00021 
00022 #include <oasys/serialize/SerializableVector.h>
00023 #include "ForwardingInfo.h"
00024 
00025 namespace oasys {
00026 class SpinLock;
00027 class StringBuffer;
00028 }
00029 
00030 namespace dtn {
00031 
00032 class Link;
00033 class ForwardingLog;
00034 
00051 class ForwardingLog : public oasys::SerializableVector<ForwardingInfo>{
00052 public:
00053     typedef ForwardingInfo::state_t state_t;
00054 
00059     ForwardingLog(oasys::SpinLock* lock);
00060     
00064     bool get_latest_entry(Link* link, ForwardingInfo* info) const;
00065     
00069     state_t get_latest_entry(Link* link) const;
00070     
00077     size_t get_transmission_count(ForwardingInfo::action_t action =
00078                                     ForwardingInfo::INVALID_ACTION,
00079                                   bool include_inflight = false) const;
00080     
00084     void add_entry(Link* link,
00085                    ForwardingInfo::action_t action,
00086                    state_t state,
00087                    const CustodyTimerSpec& custody_timer);
00088     
00095     bool update(Link* link, state_t state);
00096     
00100     size_t get_count(state_t state) const;
00101 
00105     void dump(oasys::StringBuffer* buf) const;
00106 
00110     typedef std::vector<ForwardingInfo> Log;
00111 
00112 protected:
00113     Log log_;                   
00114     oasys::SpinLock* lock_;     
00115 };
00116 
00117 } // namespace dtn
00118 
00119 
00120 #endif /* _FORWARDINGLOG_H_ */

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