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<h1>ForwardingLog.cc</h1><a href="ForwardingLog_8cc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright 2005-2006 Intel Corporation</span>
<a name="l00003"></a>00003 <span class="comment"> * </span>
<a name="l00004"></a>00004 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span>
<a name="l00005"></a>00005 <span class="comment"> * you may not use this file except in compliance with the License.</span>
<a name="l00006"></a>00006 <span class="comment"> * You may obtain a copy of the License at</span>
<a name="l00007"></a>00007 <span class="comment"> * </span>
<a name="l00008"></a>00008 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span>
<a name="l00009"></a>00009 <span class="comment"> * </span>
<a name="l00010"></a>00010 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span>
<a name="l00011"></a>00011 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
<a name="l00012"></a>00012 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<a name="l00013"></a>00013 <span class="comment"> * See the License for the specific language governing permissions and</span>
<a name="l00014"></a>00014 <span class="comment"> * limitations under the License.</span>
<a name="l00015"></a>00015 <span class="comment"> */</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor"># include <<a class="code" href="dtn-config_8h.html">dtn-config.h</a>></span>
<a name="l00019"></a>00019 <span class="preprocessor">#endif</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <oasys/thread/SpinLock.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <oasys/util/StringBuffer.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="ForwardingLog_8h.html">ForwardingLog.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="ConvergenceLayer_8h.html">conv_layers/ConvergenceLayer.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="Registration_8h.html">reg/Registration.h</a>"</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="keyword">namespace </span>dtn {
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00030"></a><a class="code" href="classdtn_1_1ForwardingLog.html#90235ae807fe9a60182a1908c526697f">00030</a> <a class="code" href="classdtn_1_1ForwardingLog.html#90235ae807fe9a60182a1908c526697f" title="Constructor that takes a pointer to the relevant Bundle&#39;s lock, used when querying...">ForwardingLog::ForwardingLog</a>(oasys::SpinLock* lock)
<a name="l00031"></a>00031 : lock_(lock)
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00036"></a>00036 <span class="keywordtype">bool</span>
<a name="l00037"></a><a class="code" href="classdtn_1_1ForwardingLog.html#57192cc969b46bc646ae411a8d7c27ee">00037</a> <a class="code" href="classdtn_1_1ForwardingLog.html#57192cc969b46bc646ae411a8d7c27ee" title="Get the most recent entry for the given link from the log.">ForwardingLog::get_latest_entry</a>(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>& link, <a class="code" href="classdtn_1_1ForwardingInfo.html" title="Class to encapsulate bundle forwarding information.">ForwardingInfo</a>* <a class="code" href="dtncat_8c.html#71f51a2e8cbe9a53031fa72596edc09f">info</a>)<span class="keyword"> const</span>
<a name="l00038"></a>00038 <span class="keyword"></span>{
<a name="l00039"></a>00039 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ForwardingLog.html#2fdcd9399f07eb815d308526c60f98d8" title="Copy of the bundle&#39;s lock.">lock_</a>, <span class="stringliteral">"ForwardingLog::get_latest_state"</span>);
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="comment">// iterate backwards through the vector to get the latest entry</span>
<a name="l00042"></a>00042 Log::const_reverse_iterator iter;
<a name="l00043"></a>00043 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.rbegin(); iter != <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.rend(); ++iter)
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045 <span class="keywordflow">if</span> (iter->link_name() == link->name_str())
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047 <span class="comment">// This assertion holds as long as the mapping of link</span>
<a name="l00048"></a>00048 <span class="comment">// name to remote eid is persistent. This may need to be</span>
<a name="l00049"></a>00049 <span class="comment">// revisited once link tables are serialized to disk.</span>
<a name="l00050"></a>00050 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(iter->remote_eid() == <a class="code" href="classdtn_1_1EndpointID.html#31bd1844cae5e71cc2393a139c9bec4c" title="Return the special endpoint id used for the null endpoint, namely &quot;dtn:none&quot;...">EndpointID::NULL_EID</a>() ||
<a name="l00051"></a>00051 iter->remote_eid() == link->remote_eid());
<a name="l00052"></a>00052 *info = *iter;
<a name="l00053"></a>00053 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00061"></a>00061 <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad" title="The forwarding log state codes.">ForwardingLog::state_t</a>
<a name="l00062"></a><a class="code" href="classdtn_1_1ForwardingLog.html#eb58f363e9f40b8de52d5d69f601dfe0">00062</a> <a class="code" href="classdtn_1_1ForwardingLog.html#57192cc969b46bc646ae411a8d7c27ee" title="Get the most recent entry for the given link from the log.">ForwardingLog::get_latest_entry</a>(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>& link)<span class="keyword"> const</span>
<a name="l00063"></a>00063 <span class="keyword"></span>{
<a name="l00064"></a>00064 <a class="code" href="classdtn_1_1ForwardingInfo.html" title="Class to encapsulate bundle forwarding information.">ForwardingInfo</a> <a class="code" href="dtncat_8c.html#71f51a2e8cbe9a53031fa72596edc09f">info</a>;
<a name="l00065"></a>00065 <span class="keywordflow">if</span> (! <a class="code" href="classdtn_1_1ForwardingLog.html#57192cc969b46bc646ae411a8d7c27ee" title="Get the most recent entry for the given link from the log.">get_latest_entry</a>(link, &info)) {
<a name="l00066"></a>00066 <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fadb3e7fba25df11c3fce5b5a88300b0ac6" title="Return value for no entry.">ForwardingInfo::NONE</a>;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordflow">return</span> info.<a class="code" href="classdtn_1_1ForwardingInfo.html#9c2aa7be84c9b1f5a81d1cc19445dd53" title="Accessors.">state</a>();
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00073"></a>00073 <span class="keywordtype">bool</span>
<a name="l00074"></a><a class="code" href="classdtn_1_1ForwardingLog.html#9ffbcd2cde256244b308b09669b06adc">00074</a> <a class="code" href="classdtn_1_1ForwardingLog.html#57192cc969b46bc646ae411a8d7c27ee" title="Get the most recent entry for the given link from the log.">ForwardingLog::get_latest_entry</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1Registration.html" title="Class used to represent an &quot;application&quot; registration, loosely defined...">Registration</a>* reg,
<a name="l00075"></a>00075 <a class="code" href="classdtn_1_1ForwardingInfo.html" title="Class to encapsulate bundle forwarding information.">ForwardingInfo</a>* <a class="code" href="dtncat_8c.html#71f51a2e8cbe9a53031fa72596edc09f">info</a>)<span class="keyword"> const</span>
<a name="l00076"></a>00076 <span class="keyword"></span>{
<a name="l00077"></a>00077 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ForwardingLog.html#2fdcd9399f07eb815d308526c60f98d8" title="Copy of the bundle&#39;s lock.">lock_</a>, <span class="stringliteral">"ForwardingLog::get_latest_state"</span>);
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="comment">// iterate backwards through the vector to get the latest entry</span>
<a name="l00080"></a>00080 Log::const_reverse_iterator iter;
<a name="l00081"></a>00081 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.rbegin(); iter != <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.rend(); ++iter)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 <span class="keywordflow">if</span> (iter->regid() == reg-><a class="code" href="classdtn_1_1Registration.html#d1cd25dd8e4c512591849f44e7c8090b" title="Accessors.">regid</a>())
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 <span class="comment">// This assertion holds as long as the mapping of</span>
<a name="l00086"></a>00086 <span class="comment">// registration id to registration eid is persistent,</span>
<a name="l00087"></a>00087 <span class="comment">// which will need to be revisited once the forwarding log</span>
<a name="l00088"></a>00088 <span class="comment">// is serialized to disk.</span>
<a name="l00089"></a>00089 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(iter->remote_eid() == <a class="code" href="classdtn_1_1EndpointID.html#31bd1844cae5e71cc2393a139c9bec4c" title="Return the special endpoint id used for the null endpoint, namely &quot;dtn:none&quot;...">EndpointID::NULL_EID</a>() ||
<a name="l00090"></a>00090 iter->remote_eid() == reg-><a class="code" href="classdtn_1_1Registration.html#590e683ae3d0a33456e7f0fa0a2a89d5" title="Accessors.">endpoint</a>());
<a name="l00091"></a>00091 *info = *iter;
<a name="l00092"></a>00092 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00100"></a>00100 <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad" title="The forwarding log state codes.">ForwardingLog::state_t</a>
<a name="l00101"></a><a class="code" href="classdtn_1_1ForwardingLog.html#2b8e8dc5b9dbef0b83fae223ae45e736">00101</a> <a class="code" href="classdtn_1_1ForwardingLog.html#57192cc969b46bc646ae411a8d7c27ee" title="Get the most recent entry for the given link from the log.">ForwardingLog::get_latest_entry</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1Registration.html" title="Class used to represent an &quot;application&quot; registration, loosely defined...">Registration</a>* reg)<span class="keyword"> const</span>
<a name="l00102"></a>00102 <span class="keyword"></span>{
<a name="l00103"></a>00103 <a class="code" href="classdtn_1_1ForwardingInfo.html" title="Class to encapsulate bundle forwarding information.">ForwardingInfo</a> <a class="code" href="dtncat_8c.html#71f51a2e8cbe9a53031fa72596edc09f">info</a>;
<a name="l00104"></a>00104 <span class="keywordflow">if</span> (! <a class="code" href="classdtn_1_1ForwardingLog.html#57192cc969b46bc646ae411a8d7c27ee" title="Get the most recent entry for the given link from the log.">get_latest_entry</a>(reg, &info)) {
<a name="l00105"></a>00105 <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fadb3e7fba25df11c3fce5b5a88300b0ac6" title="Return value for no entry.">ForwardingInfo::NONE</a>;
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keywordflow">return</span> info.<a class="code" href="classdtn_1_1ForwardingInfo.html#9c2aa7be84c9b1f5a81d1cc19445dd53" title="Accessors.">state</a>();
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00112"></a>00112 <span class="keywordtype">bool</span>
<a name="l00113"></a><a class="code" href="classdtn_1_1ForwardingLog.html#ca4058a3e5faf1e734114388e6ddeaa6">00113</a> <a class="code" href="classdtn_1_1ForwardingLog.html#57192cc969b46bc646ae411a8d7c27ee" title="Get the most recent entry for the given link from the log.">ForwardingLog::get_latest_entry</a>(<a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad" title="The forwarding log state codes.">state_t</a> state, <a class="code" href="classdtn_1_1ForwardingInfo.html" title="Class to encapsulate bundle forwarding information.">ForwardingInfo</a>* <a class="code" href="dtncat_8c.html#71f51a2e8cbe9a53031fa72596edc09f">info</a>)<span class="keyword"> const</span>
<a name="l00114"></a>00114 <span class="keyword"></span>{
<a name="l00115"></a>00115 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ForwardingLog.html#2fdcd9399f07eb815d308526c60f98d8" title="Copy of the bundle&#39;s lock.">lock_</a>, <span class="stringliteral">"ForwardingLog::get_latest_state"</span>);
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="comment">// iterate backwards through the vector to get the latest entry</span>
<a name="l00118"></a>00118 Log::const_reverse_iterator iter;
<a name="l00119"></a>00119 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.rbegin(); iter != <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.rend(); ++iter)
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <span class="keywordflow">if</span> (iter->state() == state)
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 *info = *iter;
<a name="l00124"></a>00124 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00132"></a>00132 <span class="keywordtype">size_t</span>
<a name="l00133"></a><a class="code" href="classdtn_1_1ForwardingLog.html#afa0e50bb2cd435df9f883db9f8e2f20">00133</a> <a class="code" href="classdtn_1_1ForwardingLog.html#afa0e50bb2cd435df9f883db9f8e2f20" title="Return the count of matching entries.">ForwardingLog::get_count</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> states,
<a name="l00134"></a>00134 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> actions)<span class="keyword"> const</span>
<a name="l00135"></a>00135 <span class="keyword"></span>{
<a name="l00136"></a>00136 <span class="keywordtype">size_t</span> ret = 0;
<a name="l00137"></a>00137
<a name="l00138"></a>00138 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ForwardingLog.html#2fdcd9399f07eb815d308526c60f98d8" title="Copy of the bundle&#39;s lock.">lock_</a>, <span class="stringliteral">"ForwardingLog::get_count"</span>);
<a name="l00139"></a>00139
<a name="l00140"></a>00140 Log::const_iterator iter;
<a name="l00141"></a>00141 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.begin(); iter != <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.end(); ++iter)
<a name="l00142"></a>00142 {
<a name="l00143"></a>00143 <span class="keywordflow">if</span> ((iter->state() & states) != 0 &&
<a name="l00144"></a>00144 (iter->action() & actions) != 0)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 ++ret;
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="keywordflow">return</span> ret;
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00154"></a>00154 <span class="keywordtype">size_t</span>
<a name="l00155"></a><a class="code" href="classdtn_1_1ForwardingLog.html#2a945e3891f54a6e6d03880071eb8564">00155</a> <a class="code" href="classdtn_1_1ForwardingLog.html#afa0e50bb2cd435df9f883db9f8e2f20" title="Return the count of matching entries.">ForwardingLog::get_count</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1EndpointID.html">EndpointID</a>& eid,
<a name="l00156"></a>00156 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> states,
<a name="l00157"></a>00157 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> actions)<span class="keyword"> const</span>
<a name="l00158"></a>00158 <span class="keyword"></span>{
<a name="l00159"></a>00159 <span class="keywordtype">size_t</span> ret = 0;
<a name="l00160"></a>00160
<a name="l00161"></a>00161 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ForwardingLog.html#2fdcd9399f07eb815d308526c60f98d8" title="Copy of the bundle&#39;s lock.">lock_</a>, <span class="stringliteral">"ForwardingLog::get_count"</span>);
<a name="l00162"></a>00162
<a name="l00163"></a>00163 Log::const_iterator iter;
<a name="l00164"></a>00164 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.begin(); iter != <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.end(); ++iter)
<a name="l00165"></a>00165 {
<a name="l00166"></a>00166 <span class="keywordflow">if</span> ((iter->remote_eid() == <a class="code" href="classdtn_1_1EndpointIDPattern.html#9f872c8e701944c46b8989257d3188f2" title="Return the special wildcard Endpoint ID.">EndpointIDPattern::WILDCARD_EID</a>() ||
<a name="l00167"></a>00167 iter->remote_eid() == eid) &&
<a name="l00168"></a>00168 (iter->state() & states) != 0 &&
<a name="l00169"></a>00169 (iter->action() & actions) != 0)
<a name="l00170"></a>00170 {
<a name="l00171"></a>00171 ++ret;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <span class="keywordflow">return</span> ret;
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00179"></a>00179 <span class="keywordtype">void</span>
<a name="l00180"></a><a class="code" href="classdtn_1_1ForwardingLog.html#43e4efb3eeb1a479bf2afefdfe1def4f">00180</a> <a class="code" href="classdtn_1_1ForwardingLog.html#43e4efb3eeb1a479bf2afefdfe1def4f" title="Dump a string representation of the log.">ForwardingLog::dump</a>(oasys::StringBuffer* <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>)<span class="keyword"> const</span>
<a name="l00181"></a>00181 <span class="keyword"></span>{
<a name="l00182"></a>00182 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ForwardingLog.html#2fdcd9399f07eb815d308526c60f98d8" title="Copy of the bundle&#39;s lock.">lock_</a>, <span class="stringliteral">"ForwardingLog::dump"</span>);
<a name="l00183"></a>00183 Log::const_iterator iter;
<a name="l00184"></a>00184 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.begin(); iter != <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.end(); ++iter)
<a name="l00185"></a>00185 {
<a name="l00186"></a>00186 <span class="keyword">const</span> <a class="code" href="classdtn_1_1ForwardingInfo.html" title="Class to encapsulate bundle forwarding information.">ForwardingInfo</a>* <a class="code" href="dtncat_8c.html#71f51a2e8cbe9a53031fa72596edc09f">info</a> = &(*iter);
<a name="l00187"></a>00187
<a name="l00188"></a>00188 buf->appendf(<span class="stringliteral">"\t%s -> %s [%s] %s at %u.%u "</span>
<a name="l00189"></a>00189 <span class="stringliteral">"[custody min %d pct %d max %d]\n"</span>,
<a name="l00190"></a>00190 <a class="code" href="classdtn_1_1ForwardingInfo.html#9493021a5f38f38139a1fd5b7d0f631e">ForwardingInfo::state_to_str</a>(info-><a class="code" href="classdtn_1_1ForwardingInfo.html#9c2aa7be84c9b1f5a81d1cc19445dd53" title="Accessors.">state</a>()),
<a name="l00191"></a>00191 info-><a class="code" href="classdtn_1_1ForwardingInfo.html#bda11b9637e398af2ff6e3852ce47482" title="Accessors.">link_name</a>().c_str(),
<a name="l00192"></a>00192 info-><a class="code" href="classdtn_1_1ForwardingInfo.html#3045bac79c0f4727c7d246c7a6409b51" title="Accessors.">remote_eid</a>().<a class="code" href="classdtn_1_1EndpointID.html#c9d8a72806359621f4d2850c1e78269c">c_str</a>(),
<a name="l00193"></a>00193 <a class="code" href="classdtn_1_1ForwardingInfo.html#9b424d4d2985beeffbcd55d6be8cd937">ForwardingInfo::action_to_str</a>(info-><a class="code" href="classdtn_1_1ForwardingInfo.html#c6e2356364eb63268f2a80db2287c26c" title="Accessors.">action</a>()),
<a name="l00194"></a>00194 info-><a class="code" href="classdtn_1_1ForwardingInfo.html#1d648dda9ea1894f9e7fd355a8fd412e" title="Accessors.">timestamp</a>().sec_,
<a name="l00195"></a>00195 info-><a class="code" href="classdtn_1_1ForwardingInfo.html#1d648dda9ea1894f9e7fd355a8fd412e" title="Accessors.">timestamp</a>().usec_,
<a name="l00196"></a>00196 info-><a class="code" href="classdtn_1_1ForwardingInfo.html#0c917dfbc2952c2c827609b5a27b5d92" title="Accessors.">custody_spec</a>().<a class="code" href="classdtn_1_1CustodyTimerSpec.html#4eeda04970206428027b49cd227c139e" title="min timer">min_</a>,
<a name="l00197"></a>00197 info-><a class="code" href="classdtn_1_1ForwardingInfo.html#0c917dfbc2952c2c827609b5a27b5d92" title="Accessors.">custody_spec</a>().<a class="code" href="classdtn_1_1CustodyTimerSpec.html#a678b1d99b6769917d161d651d431db3" title="percentage of lifetime">lifetime_pct_</a>,
<a name="l00198"></a>00198 info-><a class="code" href="classdtn_1_1ForwardingInfo.html#0c917dfbc2952c2c827609b5a27b5d92" title="Accessors.">custody_spec</a>().<a class="code" href="classdtn_1_1CustodyTimerSpec.html#22fdcd31911dbfc1740664b6c21a939e" title="upper bound">max_</a>);
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00203"></a>00203 <span class="keywordtype">void</span>
<a name="l00204"></a><a class="code" href="classdtn_1_1ForwardingLog.html#3a0080cfb70b95af31a780bf71910004">00204</a> <a class="code" href="classdtn_1_1ForwardingLog.html#3a0080cfb70b95af31a780bf71910004" title="Add a new forwarding info entry for the given link.">ForwardingLog::add_entry</a>(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>& link,
<a name="l00205"></a>00205 <a class="code" href="classdtn_1_1ForwardingInfo.html#18ec95dc1b1b8a7e9df9873a0d9b5947" title="The forwarding action type codes.">ForwardingInfo::action_t</a> action,
<a name="l00206"></a>00206 <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad" title="The forwarding log state codes.">state_t</a> state,
<a name="l00207"></a>00207 <span class="keyword">const</span> <a class="code" href="classdtn_1_1CustodyTimerSpec.html" title="Utility class to abstract out various parameters that can be used to calculate custody...">CustodyTimerSpec</a>& custody_timer)
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ForwardingLog.html#2fdcd9399f07eb815d308526c60f98d8" title="Copy of the bundle&#39;s lock.">lock_</a>, <span class="stringliteral">"ForwardingLog::add_entry"</span>);
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.push_back(<a class="code" href="classdtn_1_1ForwardingInfo.html" title="Class to encapsulate bundle forwarding information.">ForwardingInfo</a>(state, action, link->name_str(), 0xffffffff,
<a name="l00212"></a>00212 link->remote_eid(), custody_timer));
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214
<a name="l00215"></a>00215 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00216"></a>00216 <span class="keywordtype">void</span>
<a name="l00217"></a><a class="code" href="classdtn_1_1ForwardingLog.html#4c41e4b46100301040c0c5734fe0d01a">00217</a> <a class="code" href="classdtn_1_1ForwardingLog.html#3a0080cfb70b95af31a780bf71910004" title="Add a new forwarding info entry for the given link.">ForwardingLog::add_entry</a>(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>& link,
<a name="l00218"></a>00218 <a class="code" href="classdtn_1_1ForwardingInfo.html#18ec95dc1b1b8a7e9df9873a0d9b5947" title="The forwarding action type codes.">ForwardingInfo::action_t</a> action,
<a name="l00219"></a>00219 <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad" title="The forwarding log state codes.">state_t</a> state)
<a name="l00220"></a>00220 {
<a name="l00221"></a>00221 <a class="code" href="classdtn_1_1CustodyTimerSpec.html" title="Utility class to abstract out various parameters that can be used to calculate custody...">CustodyTimerSpec</a> default_spec;
<a name="l00222"></a>00222 <a class="code" href="classdtn_1_1ForwardingLog.html#3a0080cfb70b95af31a780bf71910004" title="Add a new forwarding info entry for the given link.">add_entry</a>(link, action, state, default_spec);
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00226"></a>00226 <span class="keywordtype">void</span>
<a name="l00227"></a><a class="code" href="classdtn_1_1ForwardingLog.html#d9e0b587adef76c329f7e265a707060c">00227</a> <a class="code" href="classdtn_1_1ForwardingLog.html#3a0080cfb70b95af31a780bf71910004" title="Add a new forwarding info entry for the given link.">ForwardingLog::add_entry</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1Registration.html" title="Class used to represent an &quot;application&quot; registration, loosely defined...">Registration</a>* reg,
<a name="l00228"></a>00228 <a class="code" href="classdtn_1_1ForwardingInfo.html#18ec95dc1b1b8a7e9df9873a0d9b5947" title="The forwarding action type codes.">ForwardingInfo::action_t</a> action,
<a name="l00229"></a>00229 <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad" title="The forwarding log state codes.">state_t</a> state)
<a name="l00230"></a>00230 {
<a name="l00231"></a>00231 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ForwardingLog.html#2fdcd9399f07eb815d308526c60f98d8" title="Copy of the bundle&#39;s lock.">lock_</a>, <span class="stringliteral">"ForwardingLog::add_entry"</span>);
<a name="l00232"></a>00232
<a name="l00233"></a>00233 oasys::StringBuffer name(<span class="stringliteral">"registration-%d"</span>, reg-><a class="code" href="classdtn_1_1Registration.html#d1cd25dd8e4c512591849f44e7c8090b" title="Accessors.">regid</a>());
<a name="l00234"></a>00234 <a class="code" href="classdtn_1_1CustodyTimerSpec.html" title="Utility class to abstract out various parameters that can be used to calculate custody...">CustodyTimerSpec</a> spec;
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.push_back(<a class="code" href="classdtn_1_1ForwardingInfo.html" title="Class to encapsulate bundle forwarding information.">ForwardingInfo</a>(state, action, name.c_str(), reg-><a class="code" href="classdtn_1_1Registration.html#d1cd25dd8e4c512591849f44e7c8090b" title="Accessors.">regid</a>(),
<a name="l00237"></a>00237 reg-><a class="code" href="classdtn_1_1Registration.html#590e683ae3d0a33456e7f0fa0a2a89d5" title="Accessors.">endpoint</a>(), spec));
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00241"></a>00241 <span class="keywordtype">void</span>
<a name="l00242"></a><a class="code" href="classdtn_1_1ForwardingLog.html#1fe72d66204c77076facfb3540f3511f">00242</a> <a class="code" href="classdtn_1_1ForwardingLog.html#3a0080cfb70b95af31a780bf71910004" title="Add a new forwarding info entry for the given link.">ForwardingLog::add_entry</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1EndpointID.html">EndpointID</a>& eid,
<a name="l00243"></a>00243 <a class="code" href="classdtn_1_1ForwardingInfo.html#18ec95dc1b1b8a7e9df9873a0d9b5947" title="The forwarding action type codes.">ForwardingInfo::action_t</a> action,
<a name="l00244"></a>00244 <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad" title="The forwarding log state codes.">state_t</a> state)
<a name="l00245"></a>00245 {
<a name="l00246"></a>00246 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ForwardingLog.html#2fdcd9399f07eb815d308526c60f98d8" title="Copy of the bundle&#39;s lock.">lock_</a>, <span class="stringliteral">"ForwardingLog::add_entry"</span>);
<a name="l00247"></a>00247
<a name="l00248"></a>00248 oasys::StringBuffer name(<span class="stringliteral">"eid-%s"</span>, eid.<a class="code" href="classdtn_1_1EndpointID.html#c9d8a72806359621f4d2850c1e78269c">c_str</a>());
<a name="l00249"></a>00249 <a class="code" href="classdtn_1_1CustodyTimerSpec.html" title="Utility class to abstract out various parameters that can be used to calculate custody...">CustodyTimerSpec</a> custody_timer;
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.push_back(<a class="code" href="classdtn_1_1ForwardingInfo.html" title="Class to encapsulate bundle forwarding information.">ForwardingInfo</a>(state, action, name.c_str(), 0xffffffff,
<a name="l00252"></a>00252 eid, custody_timer));
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00256"></a>00256 <span class="keywordtype">bool</span>
<a name="l00257"></a><a class="code" href="classdtn_1_1ForwardingLog.html#a6d756d62a3007192f415a35607e5f38">00257</a> <a class="code" href="classdtn_1_1ForwardingLog.html#a6d756d62a3007192f415a35607e5f38" title="Update the state for the latest forwarding info entry for the given link.">ForwardingLog::update</a>(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>& link, <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad" title="The forwarding log state codes.">state_t</a> state)
<a name="l00258"></a>00258 {
<a name="l00259"></a>00259 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ForwardingLog.html#2fdcd9399f07eb815d308526c60f98d8" title="Copy of the bundle&#39;s lock.">lock_</a>, <span class="stringliteral">"ForwardingLog::update"</span>);
<a name="l00260"></a>00260
<a name="l00261"></a>00261 Log::reverse_iterator iter;
<a name="l00262"></a>00262 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.rbegin(); iter != <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.rend(); ++iter)
<a name="l00263"></a>00263 {
<a name="l00264"></a>00264 <span class="keywordflow">if</span> (iter->link_name() == link->name_str())
<a name="l00265"></a>00265 {
<a name="l00266"></a>00266 <span class="comment">// This assertion holds as long as the mapping of link</span>
<a name="l00267"></a>00267 <span class="comment">// name to remote eid is persistent. This may need to be</span>
<a name="l00268"></a>00268 <span class="comment">// revisited once link tables are serialized to disk.</span>
<a name="l00269"></a>00269 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(iter->remote_eid() == <a class="code" href="classdtn_1_1EndpointID.html#31bd1844cae5e71cc2393a139c9bec4c" title="Return the special endpoint id used for the null endpoint, namely &quot;dtn:none&quot;...">EndpointID::NULL_EID</a>() ||
<a name="l00270"></a>00270 iter->remote_eid() == link->remote_eid());
<a name="l00271"></a>00271 iter->set_state(state);
<a name="l00272"></a>00272 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00273"></a>00273 }
<a name="l00274"></a>00274 }
<a name="l00275"></a>00275
<a name="l00276"></a>00276 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00280"></a>00280 <span class="keywordtype">void</span>
<a name="l00281"></a><a class="code" href="classdtn_1_1ForwardingLog.html#02c95cd6a61ec05da7758e009e8c4568">00281</a> <a class="code" href="classdtn_1_1ForwardingLog.html#02c95cd6a61ec05da7758e009e8c4568" title="Update all entries in the given state to the new state.">ForwardingLog::update_all</a>(<a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad" title="The forwarding log state codes.">state_t</a> old_state, <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad" title="The forwarding log state codes.">state_t</a> new_state)
<a name="l00282"></a>00282 {
<a name="l00283"></a>00283 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ForwardingLog.html#2fdcd9399f07eb815d308526c60f98d8" title="Copy of the bundle&#39;s lock.">lock_</a>, <span class="stringliteral">"ForwardingLog::update_all"</span>);
<a name="l00284"></a>00284
<a name="l00285"></a>00285 Log::reverse_iterator iter;
<a name="l00286"></a>00286 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.rbegin(); iter != <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.rend(); ++iter)
<a name="l00287"></a>00287 {
<a name="l00288"></a>00288 <span class="keywordflow">if</span> (iter->state() == old_state)
<a name="l00289"></a>00289 {
<a name="l00290"></a>00290 iter->set_state(new_state);
<a name="l00291"></a>00291 }
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294
<a name="l00295"></a>00295 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00296"></a>00296 <span class="keywordtype">void</span>
<a name="l00297"></a><a class="code" href="classdtn_1_1ForwardingLog.html#4b9314a35670b255d8045146e5754e17">00297</a> <a class="code" href="classdtn_1_1ForwardingLog.html#4b9314a35670b255d8045146e5754e17" title="Clear the log (used for testing).">ForwardingLog::clear</a>()
<a name="l00298"></a>00298 {
<a name="l00299"></a>00299 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ForwardingLog.html#2fdcd9399f07eb815d308526c60f98d8" title="Copy of the bundle&#39;s lock.">lock_</a>, <span class="stringliteral">"ForwardingLog::clear"</span>);
<a name="l00300"></a>00300 <a class="code" href="classdtn_1_1ForwardingLog.html#1069c4e9432020d63b9bee9204fb0ed5" title="The actual log.">log_</a>.clear();
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302
<a name="l00303"></a>00303 } <span class="comment">// namespace dtn</span>
</pre></div></div>
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