00001 /* 00002 * IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. By 00003 * downloading, copying, installing or using the software you agree to 00004 * this license. If you do not agree to this license, do not download, 00005 * install, copy or use the software. 00006 * 00007 * Intel Open Source License 00008 * 00009 * Copyright (c) 2005 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. 00017 * 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. 00021 * 00022 * Neither the name of the Intel Corporation nor the names of its 00023 * contributors may be used to endorse or promote products derived from 00024 * this software without specific prior written permission. 00025 * 00026 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00027 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00028 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00029 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR 00030 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00031 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00032 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00033 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00034 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00035 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00036 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00037 */ 00038 #ifndef _FORWARDINGLOG_H_ 00039 #define _FORWARDINGLOG_H_ 00040 00041 #include <vector> 00042 00043 #include "ForwardingInfo.h" 00044 00045 namespace oasys { 00046 class SpinLock; 00047 class StringBuffer; 00048 } 00049 00050 namespace dtn { 00051 00052 class Link; 00053 class ForwardingLog; 00054 00071 class ForwardingLog { 00072 public: 00073 typedef ForwardingInfo::state_t state_t; 00074 00079 ForwardingLog(oasys::SpinLock* lock); 00080 00084 bool get_latest_entry(Link* link, ForwardingInfo* info) const; 00085 00089 state_t get_latest_entry(Link* link) const; 00090 00097 size_t get_transmission_count(ForwardingInfo::action_t action = 00098 ForwardingInfo::INVALID_ACTION, 00099 bool include_inflight = false) const; 00100 00104 void add_entry(Link* link, 00105 ForwardingInfo::action_t action, 00106 state_t state, 00107 const CustodyTimerSpec& custody_timer); 00108 00115 bool update(Link* link, state_t state); 00116 00120 size_t get_count(state_t state) const; 00121 00125 void dump(oasys::StringBuffer* buf) const; 00126 00130 typedef std::vector<ForwardingInfo> Log; 00131 00132 protected: 00133 Log log_; 00134 oasys::SpinLock* lock_; 00135 }; 00136 00137 } // namespace dtn 00138 00139 00140 #endif /* _FORWARDINGLOG_H_ */