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<h1>RouteTable.cc</h1><a href="RouteTable_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 2004-2006 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 "<a class="code" href="BundleRouter_8h.html">BundleRouter.h</a>"</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="RouteTable_8h.html">RouteTable.h</a>"</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="keyword">namespace </span>dtn {
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00027"></a><a class="code" href="classdtn_1_1RouteTable.html#bfe323c89a1d44bc552c8a37fee578ac">00027</a> <a class="code" href="classdtn_1_1RouteTable.html#bfe323c89a1d44bc552c8a37fee578ac" title="Constructor.">RouteTable::RouteTable</a>(<span class="keyword">const</span> std::string& router_name)
<a name="l00028"></a>00028 : <a class="code" href="classoasys_1_1Logger.html">Logger</a>(<span class="stringliteral">"RouteTable"</span>, <span class="stringliteral">"/dtn/routing/%s/table"</span>, router_name.c_str())
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 }
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00033"></a><a class="code" href="classdtn_1_1RouteTable.html#6dae4138a767df9fb3bb94e752a1ab5d">00033</a> <a class="code" href="classdtn_1_1RouteTable.html#6dae4138a767df9fb3bb94e752a1ab5d" title="Destructor.">RouteTable::~RouteTable</a>()
<a name="l00034"></a>00034 {
<a name="l00035"></a>00035 }
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00038"></a>00038 <span class="keywordtype">bool</span>
<a name="l00039"></a><a class="code" href="classdtn_1_1RouteTable.html#f4563da3a4e78c4784a72e790a831469">00039</a> <a class="code" href="classdtn_1_1RouteTable.html#f4563da3a4e78c4784a72e790a831469" title="Add a route entry.">RouteTable::add_entry</a>(<a class="code" href="classdtn_1_1RouteEntry.html" title="Class to represent route table entry.">RouteEntry</a>* entry)
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 oasys::ScopeLock l(&<a class="code" href="classdtn_1_1RouteTable.html#6ce91b3d9a32bd3f60910d942129c84c" title="Lock to protect internal data structures.">lock_</a>, <span class="stringliteral">"RouteTable::add_entry"</span>);
<a name="l00042"></a>00042
<a name="l00043"></a>00043 log_debug(<span class="stringliteral">"add_route *%p"</span>, entry);
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.push_back(entry);
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00051"></a>00051 <span class="keywordtype">bool</span>
<a name="l00052"></a><a class="code" href="classdtn_1_1RouteTable.html#6116a1b3c21e46d1689e3ce010ecfe8e">00052</a> <a class="code" href="classdtn_1_1RouteTable.html#6116a1b3c21e46d1689e3ce010ecfe8e" title="Remove a route entry.">RouteTable::del_entry</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1EndpointIDPattern.html" title="A Distinct class for endpoint patterns (i.e.">EndpointIDPattern</a>& dest, <span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>& next_hop)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 oasys::ScopeLock l(&<a class="code" href="classdtn_1_1RouteTable.html#6ce91b3d9a32bd3f60910d942129c84c" title="Lock to protect internal data structures.">lock_</a>, <span class="stringliteral">"RouteTable::del_entry"</span>);
<a name="l00055"></a>00055
<a name="l00056"></a>00056 RouteEntryVec::iterator iter;
<a name="l00057"></a>00057 <a class="code" href="classdtn_1_1RouteEntry.html" title="Class to represent route table entry.">RouteEntry</a>* entry;
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.begin(); iter != <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.end(); ++iter) {
<a name="l00060"></a>00060 entry = *iter;
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keywordflow">if</span> (entry-><a class="code" href="classdtn_1_1RouteEntry.html#70826ec32537a2f6b08c8359d59a105d" title="Accessors.">dest_pattern</a>().<a class="code" href="classdtn_1_1EndpointID.html#80721c0832c08c5066e6d6276d62d70b" title="Simple equality test function.">equals</a>(dest) && entry-><a class="code" href="classdtn_1_1RouteEntry.html#98215fe609f488da2d13fc7c1a0c4059" title="Accessors.">link</a>() == next_hop) {
<a name="l00063"></a>00063 log_debug(<span class="stringliteral">"del_entry *%p"</span>, entry);
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.erase(iter);
<a name="l00066"></a>00066 <span class="keyword">delete</span> entry;
<a name="l00067"></a>00067 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00068"></a>00068 }
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070
<a name="l00071"></a>00071 log_debug(<span class="stringliteral">"del_entry %s -> %s: no match!"</span>,
<a name="l00072"></a>00072 dest.<a class="code" href="classdtn_1_1EndpointID.html#c9d8a72806359621f4d2850c1e78269c">c_str</a>(), next_hop->nexthop());
<a name="l00073"></a>00073 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00077"></a>00077 <span class="keywordtype">size_t</span>
<a name="l00078"></a><a class="code" href="classdtn_1_1RouteTable.html#f58eb380fc5a9cd31745d353d3f8baea">00078</a> <a class="code" href="classdtn_1_1RouteTable.html#f58eb380fc5a9cd31745d353d3f8baea" title="Remove all entries to the given endpoint id pattern.">RouteTable::del_entries</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1EndpointIDPattern.html" title="A Distinct class for endpoint patterns (i.e.">EndpointIDPattern</a>& dest)
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 oasys::ScopeLock l(&<a class="code" href="classdtn_1_1RouteTable.html#6ce91b3d9a32bd3f60910d942129c84c" title="Lock to protect internal data structures.">lock_</a>, <span class="stringliteral">"RouteTable::del_entries"</span>);
<a name="l00081"></a>00081 <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1RouteTable.html#737932d31320acd50d7c58f61128baaa" title="Remove entries that match the given predicate.">del_matching_entries</a>(<a class="code" href="classdtn_1_1RouteEntry_1_1DestMatches.html" title="Predicate to match the destination pattern for a route.">RouteEntry::DestMatches</a>(dest));
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00085"></a>00085 <span class="keywordtype">size_t</span>
<a name="l00086"></a><a class="code" href="classdtn_1_1RouteTable.html#db642a8b6ce784847ba7fa7e633e9cc9">00086</a> <a class="code" href="classdtn_1_1RouteTable.html#db642a8b6ce784847ba7fa7e633e9cc9" title="Remove all entries that rely on the given next_hop link.">RouteTable::del_entries_for_nexthop</a>(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>& next_hop)
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 oasys::ScopeLock l(&<a class="code" href="classdtn_1_1RouteTable.html#6ce91b3d9a32bd3f60910d942129c84c" title="Lock to protect internal data structures.">lock_</a>, <span class="stringliteral">"RouteTable::del_entries_for_nexthop"</span>);
<a name="l00089"></a>00089 <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1RouteTable.html#737932d31320acd50d7c58f61128baaa" title="Remove entries that match the given predicate.">del_matching_entries</a>(<a class="code" href="classdtn_1_1RouteEntry_1_1NextHopMatches.html" title="Predicate to match the destination pattern for a route.">RouteEntry::NextHopMatches</a>(next_hop));
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00093"></a>00093 <span class="keywordtype">void</span>
<a name="l00094"></a><a class="code" href="classdtn_1_1RouteTable.html#bec0465af4dbd62a1b8878e3437f7350">00094</a> <a class="code" href="classdtn_1_1RouteTable.html#bec0465af4dbd62a1b8878e3437f7350" title="Clear the whole route table.">RouteTable::clear</a>()
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 oasys::ScopeLock l(&<a class="code" href="classdtn_1_1RouteTable.html#6ce91b3d9a32bd3f60910d942129c84c" title="Lock to protect internal data structures.">lock_</a>, <span class="stringliteral">"RouteTable::clear"</span>);
<a name="l00097"></a>00097
<a name="l00098"></a>00098 RouteEntryVec::iterator iter;
<a name="l00099"></a>00099 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.begin(); iter != <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.end(); ++iter) {
<a name="l00100"></a>00100 <span class="keyword">delete</span> *iter;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102 <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.clear();
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00106"></a>00106 <span class="keywordtype">size_t</span>
<a name="l00107"></a><a class="code" href="classdtn_1_1RouteTable.html#dceb882f843c17db3afd73521bc78c6d">00107</a> <a class="code" href="classdtn_1_1RouteTable.html#dceb882f843c17db3afd73521bc78c6d" title="Fill in the entry_vec with the list of all entries whose patterns match the given...">RouteTable::get_matching</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1EndpointID.html">EndpointID</a>& eid,
<a name="l00108"></a>00108 <span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>& next_hop,
<a name="l00109"></a>00109 <a class="code" href="classdtn_1_1RouteEntryVec.html" title="Class for a vector of route entries.">RouteEntryVec</a>* entry_vec)<span class="keyword"> const</span>
<a name="l00110"></a>00110 <span class="keyword"></span>{
<a name="l00111"></a>00111 oasys::ScopeLock l(&<a class="code" href="classdtn_1_1RouteTable.html#6ce91b3d9a32bd3f60910d942129c84c" title="Lock to protect internal data structures.">lock_</a>, <span class="stringliteral">"RouteTable::get_matching"</span>);
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordtype">bool</span> loop = <span class="keyword">false</span>;
<a name="l00114"></a>00114 log_debug(<span class="stringliteral">"get_matching %s (link %s)..."</span>, eid.<a class="code" href="classdtn_1_1EndpointID.html#c9d8a72806359621f4d2850c1e78269c">c_str</a>(),
<a name="l00115"></a>00115 next_hop != NULL ? next_hop->name() : <span class="stringliteral">"NULL"</span>);
<a name="l00116"></a>00116 <span class="keywordtype">size_t</span> ret = <a class="code" href="classdtn_1_1RouteTable.html#e537332547b15d6675f877b0658cc6ec" title="Helper function for get_matching.">get_matching_helper</a>(eid, next_hop, entry_vec, &loop, 0);
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (loop) {
<a name="l00118"></a>00118 log_warn(<span class="stringliteral">"route destination %s caused route table lookup loop"</span>,
<a name="l00119"></a>00119 eid.<a class="code" href="classdtn_1_1EndpointID.html#c9d8a72806359621f4d2850c1e78269c">c_str</a>());
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121 <span class="keywordflow">return</span> ret;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00125"></a>00125 <span class="keywordtype">size_t</span>
<a name="l00126"></a><a class="code" href="classdtn_1_1RouteTable.html#e537332547b15d6675f877b0658cc6ec">00126</a> <a class="code" href="classdtn_1_1RouteTable.html#e537332547b15d6675f877b0658cc6ec" title="Helper function for get_matching.">RouteTable::get_matching_helper</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1EndpointID.html">EndpointID</a>& eid,
<a name="l00127"></a>00127 <span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>& next_hop,
<a name="l00128"></a>00128 <a class="code" href="classdtn_1_1RouteEntryVec.html" title="Class for a vector of route entries.">RouteEntryVec</a>* entry_vec,
<a name="l00129"></a>00129 <span class="keywordtype">bool</span>* loop,
<a name="l00130"></a>00130 <span class="keywordtype">int</span> level)<span class="keyword"> const</span>
<a name="l00131"></a>00131 <span class="keyword"></span>{
<a name="l00132"></a>00132 RouteEntryVec::const_iterator iter;
<a name="l00133"></a>00133 <a class="code" href="classdtn_1_1RouteEntry.html" title="Class to represent route table entry.">RouteEntry</a>* entry;
<a name="l00134"></a>00134 <span class="keywordtype">size_t</span> <a class="code" href="dtnping_8c.html#d43c3812e6d13e0518d9f8b8f463ffcf">count</a> = 0;
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.begin(); iter != <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.end(); ++iter)
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 entry = *iter;
<a name="l00139"></a>00139
<a name="l00140"></a>00140 log_debug(<span class="stringliteral">"check entry *%p"</span>, entry);
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordflow">if</span> (! entry-><a class="code" href="classdtn_1_1RouteEntry.html#70826ec32537a2f6b08c8359d59a105d" title="Accessors.">dest_pattern</a>().<a class="code" href="classdtn_1_1EndpointIDPattern.html#551ee984666d2079f9ccdc5514dcbdc6" title="Shortcut to the matching functionality implemented by the scheme.">match</a>(eid)) {
<a name="l00143"></a>00143 <span class="keywordflow">continue</span>;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="keywordflow">if</span> (entry-><a class="code" href="classdtn_1_1RouteEntry.html#98215fe609f488da2d13fc7c1a0c4059" title="Accessors.">link</a>() == NULL)
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(entry-><a class="code" href="classdtn_1_1RouteEntry.html#6e2d89fe5a95f154380908c5b50c8ecb" title="Accessors.">route_to</a>().<a class="code" href="classdtn_1_1EndpointID.html#3ed7639ed8794ea8045bb5d16128c5f5">length</a>() != 0);
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="keywordflow">if</span> (level >= <a class="code" href="classdtn_1_1BundleRouter.html#344d85ef64a884adf9fb173a82674cca" title="Config variables.">BundleRouter::config_</a>.max_route_to_chain_) {
<a name="l00151"></a>00151 *loop = <span class="keyword">true</span>;
<a name="l00152"></a>00152 <span class="keywordflow">continue</span>;
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154
<a name="l00155"></a>00155 count += <a class="code" href="classdtn_1_1RouteTable.html#e537332547b15d6675f877b0658cc6ec" title="Helper function for get_matching.">get_matching_helper</a>(entry-><a class="code" href="classdtn_1_1RouteEntry.html#6e2d89fe5a95f154380908c5b50c8ecb" title="Accessors.">route_to</a>(), next_hop,
<a name="l00156"></a>00156 entry_vec, loop, level + 1);
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (next_hop == NULL || entry-><a class="code" href="classdtn_1_1RouteEntry.html#98215fe609f488da2d13fc7c1a0c4059" title="Accessors.">link</a>() == next_hop)
<a name="l00159"></a>00159 {
<a name="l00160"></a>00160 <span class="keywordflow">if</span> (std::find(entry_vec->begin(), entry_vec->end(), entry) == entry_vec->end()) {
<a name="l00161"></a>00161 log_debug(<span class="stringliteral">"match entry *%p"</span>, entry);
<a name="l00162"></a>00162 entry_vec->push_back(entry);
<a name="l00163"></a>00163 ++count;
<a name="l00164"></a>00164 } <span class="keywordflow">else</span> {
<a name="l00165"></a>00165 log_debug(<span class="stringliteral">"entry *%p already in matches... ignoring"</span>, entry);
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169
<a name="l00170"></a>00170 log_debug(<span class="stringliteral">"get_matching %s done (level %d), %zu match(es)"</span>, eid.<a class="code" href="classdtn_1_1EndpointID.html#c9d8a72806359621f4d2850c1e78269c">c_str</a>(), level, count);
<a name="l00171"></a>00171 <span class="keywordflow">return</span> count;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00175"></a>00175 <span class="keywordtype">void</span>
<a name="l00176"></a><a class="code" href="classdtn_1_1RouteTable.html#410e143edbfa9e818b64e005b1aa5169">00176</a> <a class="code" href="classdtn_1_1RouteTable.html#410e143edbfa9e818b64e005b1aa5169" title="Dump a string representation of the routing table.">RouteTable::dump</a>(oasys::StringBuffer* <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>)<span class="keyword"> const</span>
<a name="l00177"></a>00177 <span class="keyword"></span>{
<a name="l00178"></a>00178 oasys::ScopeLock l(&<a class="code" href="classdtn_1_1RouteTable.html#6ce91b3d9a32bd3f60910d942129c84c" title="Lock to protect internal data structures.">lock_</a>, <span class="stringliteral">"RouteTable::dump"</span>);
<a name="l00179"></a>00179
<a name="l00180"></a>00180 oasys::StringVector long_strings;
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="comment">// calculate appropriate lengths for the long strings</span>
<a name="l00183"></a>00183 <span class="keywordtype">size_t</span> dest_eid_width = 10;
<a name="l00184"></a>00184 <span class="keywordtype">size_t</span> source_eid_width = 6;
<a name="l00185"></a>00185 <span class="keywordtype">size_t</span> next_hop_width = 10;
<a name="l00186"></a>00186
<a name="l00187"></a>00187 RouteEntryVec::const_iterator iter;
<a name="l00188"></a>00188 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.begin(); iter != <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.end(); ++iter) {
<a name="l00189"></a>00189 <a class="code" href="classdtn_1_1RouteEntry.html" title="Class to represent route table entry.">RouteEntry</a>* e = *iter;
<a name="l00190"></a>00190 dest_eid_width = std::max(dest_eid_width,
<a name="l00191"></a>00191 e-><a class="code" href="classdtn_1_1RouteEntry.html#70826ec32537a2f6b08c8359d59a105d" title="Accessors.">dest_pattern</a>().<a class="code" href="classdtn_1_1EndpointID.html#3ed7639ed8794ea8045bb5d16128c5f5">length</a>());
<a name="l00192"></a>00192 source_eid_width = std::max(source_eid_width,
<a name="l00193"></a>00193 e-><a class="code" href="classdtn_1_1RouteEntry.html#ed80ef80b6cfb5c19f128fe346090707" title="Accessors.">source_pattern</a>().<a class="code" href="classdtn_1_1EndpointID.html#3ed7639ed8794ea8045bb5d16128c5f5">length</a>());
<a name="l00194"></a>00194 next_hop_width = std::max(next_hop_width,
<a name="l00195"></a>00195 (e-><a class="code" href="classdtn_1_1RouteEntry.html#98215fe609f488da2d13fc7c1a0c4059" title="Accessors.">link</a>() != NULL) ?
<a name="l00196"></a>00196 e-><a class="code" href="classdtn_1_1RouteEntry.html#98215fe609f488da2d13fc7c1a0c4059" title="Accessors.">link</a>()->name_str().length() :
<a name="l00197"></a>00197 e-><a class="code" href="classdtn_1_1RouteEntry.html#6e2d89fe5a95f154380908c5b50c8ecb" title="Accessors.">route_to</a>().<a class="code" href="classdtn_1_1EndpointID.html#3ed7639ed8794ea8045bb5d16128c5f5">length</a>());
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a>00200 dest_eid_width = std::min(dest_eid_width, (<span class="keywordtype">size_t</span>)25);
<a name="l00201"></a>00201 source_eid_width = std::min(source_eid_width, (<span class="keywordtype">size_t</span>)15);
<a name="l00202"></a>00202 next_hop_width = std::min(next_hop_width, (<span class="keywordtype">size_t</span>)15);
<a name="l00203"></a>00203
<a name="l00204"></a>00204 <a class="code" href="classdtn_1_1RouteEntry.html#7e8875141f778f47b65f6e79c456ffa6" title="Dump a header string in preparation for subsequent calls to dump();.">RouteEntry::dump_header</a>(buf, dest_eid_width, source_eid_width, next_hop_width);
<a name="l00205"></a>00205
<a name="l00206"></a>00206 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.begin(); iter != <a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>.end(); ++iter) {
<a name="l00207"></a>00207 (*iter)->dump(buf, &long_strings,
<a name="l00208"></a>00208 dest_eid_width, source_eid_width, next_hop_width);
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <span class="keywordflow">if</span> (long_strings.size() > 0) {
<a name="l00212"></a>00212 buf->appendf(<span class="stringliteral">"\nLong EIDs/Links referenced above:\n"</span>);
<a name="l00213"></a>00213 <span class="keywordflow">for</span> (u_int i = 0; i < long_strings.size(); ++i) {
<a name="l00214"></a>00214 buf->appendf(<span class="stringliteral">"\t[%d]: %s\n"</span>, i, long_strings[i].c_str());
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216 buf->appendf(<span class="stringliteral">"\n"</span>);
<a name="l00217"></a>00217 }
<a name="l00218"></a>00218
<a name="l00219"></a>00219 buf->append(<span class="stringliteral">"\nClass of Service (COS) bits:\n"</span>
<a name="l00220"></a>00220 <span class="stringliteral">"\tB: Bulk N: Normal E: Expedited\n\n"</span>);
<a name="l00221"></a>00221 }
<a name="l00222"></a>00222
<a name="l00223"></a>00223 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00224"></a>00224 <span class="keyword">const</span> <a class="code" href="classdtn_1_1RouteEntryVec.html" title="Class for a vector of route entries.">RouteEntryVec</a> *
<a name="l00225"></a><a class="code" href="classdtn_1_1RouteTable.html#581c0578208d828885d211e0ab8381fd">00225</a> <a class="code" href="classdtn_1_1RouteTable.html#581c0578208d828885d211e0ab8381fd" title="Return the routing table.">RouteTable::route_table</a>()
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227 ASSERTF(<a class="code" href="classdtn_1_1RouteTable.html#6ce91b3d9a32bd3f60910d942129c84c" title="Lock to protect internal data structures.">lock_</a>.is_locked_by_me(),
<a name="l00228"></a>00228 <span class="stringliteral">"RouteTable::route_table must be called while holding lock"</span>);
<a name="l00229"></a>00229 <span class="keywordflow">return</span> &<a class="code" href="classdtn_1_1RouteTable.html#c6d778ec7a30cfcdf2047fde6a4de87b" title="The routing table itself.">route_table_</a>;
<a name="l00230"></a>00230 }
<a name="l00231"></a>00231
<a name="l00232"></a>00232 } <span class="comment">// namespace dtn</span>
</pre></div></div>
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