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<h1>BundleRouter.cc</h1><a href="BundleRouter_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 <stdlib.h></span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="BundleRouter_8h.html">BundleRouter.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="BundleDaemon_8h.html">bundling/BundleDaemon.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="BundleActions_8h.html">bundling/BundleActions.h</a>"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="bundling_2BundleList_8h.html">bundling/BundleList.h</a>"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="BundleStore_8h.html">storage/BundleStore.h</a>"</span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="StaticBundleRouter_8h.html">StaticBundleRouter.h</a>"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="FloodBundleRouter_8h.html">FloodBundleRouter.h</a>"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="ProphetRouter_8h.html">ProphetRouter.h</a>"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="DTLSRRouter_8h.html">DTLSRRouter.h</a>"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="ExternalRouter_8h.html">ExternalRouter.h</a>"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="TcaRouter_8h.html">TcaRouter.h</a>"</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">namespace </span>dtn {
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00039"></a><a class="code" href="structdtn_1_1BundleRouter_1_1Config.html#41d19625934c6b5f96e132fd6568dcf8">00039</a> <a class="code" href="structdtn_1_1BundleRouter_1_1Config.html#41d19625934c6b5f96e132fd6568dcf8">BundleRouter::Config::Config</a>()
<a name="l00040"></a>00040 : type_(<span class="stringliteral">"static"</span>),
<a name="l00041"></a>00041 add_nexthop_routes_(true),
<a name="l00042"></a>00042 open_discovered_links_(true),
<a name="l00043"></a>00043 default_priority_(0),
<a name="l00044"></a>00044 max_route_to_chain_(10),
<a name="l00045"></a>00045 storage_quota_(0),
<a name="l00046"></a>00046 subscription_timeout_(600)
<a name="l00047"></a>00047 {}
<a name="l00048"></a>00048
<a name="l00049"></a><a class="code" href="classdtn_1_1BundleRouter.html#344d85ef64a884adf9fb173a82674cca">00049</a> <a class="code" href="structdtn_1_1BundleRouter_1_1Config.html" title="Config variables.">BundleRouter::Config</a> <a class="code" href="classdtn_1_1BundleRouter.html#344d85ef64a884adf9fb173a82674cca" title="Config variables.">BundleRouter::config_</a>;
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00052"></a>00052 <a class="code" href="classdtn_1_1BundleRouter.html" title="The BundleRouter is the main decision maker for all routing decisions related to...">BundleRouter</a>*
<a name="l00053"></a><a class="code" href="classdtn_1_1BundleRouter.html#deb4dc788d0ca34bfb1e06eb49c42de4">00053</a> <a class="code" href="classdtn_1_1BundleRouter.html#deb4dc788d0ca34bfb1e06eb49c42de4" title="Factory method to create the correct subclass of BundleRouter for the registered...">BundleRouter::create_router</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* type)
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 <span class="keywordflow">if</span> (strcmp(type, <span class="stringliteral">"static"</span>) == 0) {
<a name="l00056"></a>00056 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classdtn_1_1StaticBundleRouter.html" title="This is the implementation of the basic bundle routing algorithm that only does static...">StaticBundleRouter</a>();
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(type, <span class="stringliteral">"prophet"</span>) == 0) {
<a name="l00059"></a>00059 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classdtn_1_1ProphetRouter.html">ProphetRouter</a>();
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(type, <span class="stringliteral">"flood"</span>) == 0) {
<a name="l00062"></a>00062 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classdtn_1_1FloodBundleRouter.html" title="This is the implementation of a flooding based bundle router.">FloodBundleRouter</a>();
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(type, <span class="stringliteral">"dtlsr"</span>) == 0) {
<a name="l00065"></a>00065 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classdtn_1_1DTLSRRouter.html" title="The DTLSRRouter uses link state announcements to build a multigraph of routing edges...">DTLSRRouter</a>();
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcmp(type, <span class="stringliteral">"tca_router"</span>)) {
<a name="l00068"></a>00068 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classdtn_1_1TcaRouter.html" title="This is the implementation of the TCA bundle routing algorithm.">TcaRouter</a>(<a class="code" href="classdtn_1_1TcaRouter.html#7937c9ef257ad4c0d45e44947ed48b24b40fd54ee6b0189d5984e209b4082dc1">TcaRouter::TCA_ROUTER</a>);
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcmp(type, <span class="stringliteral">"tca_gateway"</span>)) {
<a name="l00071"></a>00071 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classdtn_1_1TcaRouter.html" title="This is the implementation of the TCA bundle routing algorithm.">TcaRouter</a>(<a class="code" href="classdtn_1_1TcaRouter.html#7937c9ef257ad4c0d45e44947ed48b24aa6e45693173fd8231cbdcd4a6d3c6b9">TcaRouter::TCA_GATEWAY</a>);
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 <span class="preprocessor">#if defined(XERCES_C_ENABLED) && defined(EXTERNAL_DP_ENABLED)</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(type, <span class="stringliteral">"external"</span>) == 0) {
<a name="l00075"></a>00075 <span class="keywordflow">return</span> <span class="keyword">new</span> ExternalRouter();
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077 <span class="preprocessor">#endif</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span> <span class="keywordflow">else</span> {
<a name="l00079"></a>00079 PANIC(<span class="stringliteral">"unknown type %s for router"</span>, type);
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00084"></a><a class="code" href="classdtn_1_1BundleRouter.html#372135e06860e84c440fd9ee02253ea8">00084</a> <a class="code" href="classdtn_1_1BundleRouter.html#372135e06860e84c440fd9ee02253ea8" title="Constructor.">BundleRouter::BundleRouter</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* classname, <span class="keyword">const</span> std::string& name)
<a name="l00085"></a>00085 : <a class="code" href="classdtn_1_1BundleEventHandler.html" title="Both the BundleDaemon and all the BundleRouter classes need to process the various...">BundleEventHandler</a>(classname, <span class="stringliteral">"/dtn/route"</span>),
<a name="l00086"></a>00086 name_(name)
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 logpathf(<span class="stringliteral">"/dtn/route/%s"</span>, name.c_str());
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <a class="code" href="classdtn_1_1BundleRouter.html#cf71e3f1982b36bafa7ac5cd45d38675" title="The actions interface, set by the BundleDaemon when the router is initialized.">actions_</a> = BundleDaemon::instance()->actions();
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="comment">// XXX/demmer maybe change this?</span>
<a name="l00093"></a>00093 <a class="code" href="classdtn_1_1BundleRouter.html#06ef6e02e26e9a78a9d15619810d56dc" title="The list of all bundles still pending delivery.">pending_bundles_</a> = BundleDaemon::instance()->pending_bundles();
<a name="l00094"></a>00094 <a class="code" href="classdtn_1_1BundleRouter.html#c37671a1e74edfb709e0b0d3ca9ed2d9" title="The list of all bundles that I have custody of.">custody_bundles_</a> = BundleDaemon::instance()->custody_bundles();
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00098"></a>00098 <span class="keywordtype">bool</span>
<a name="l00099"></a><a class="code" href="classdtn_1_1BundleRouter.html#b30e99f427cc0526fce08b77e0ae95c7">00099</a> <a class="code" href="classdtn_1_1BundleRouter.html#b30e99f427cc0526fce08b77e0ae95c7" title="Check if the bundle should be forwarded to the given next hop.">BundleRouter::should_fwd</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1Bundle.html" title="The internal representation of a bundle.">Bundle</a>* bundle, <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="l00100"></a>00100 <a class="code" href="classdtn_1_1ForwardingInfo.html#18ec95dc1b1b8a7e9df9873a0d9b5947" title="The forwarding action type codes.">ForwardingInfo::action_t</a> action)
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 <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="l00103"></a>00103 <span class="keywordtype">bool</span> found = bundle-><a class="code" href="classdtn_1_1Bundle.html#249ac137ef76e253d8e0587f2662bca7" title="Accessors.">fwdlog</a>()-><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="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keywordflow">if</span> (found) {
<a name="l00106"></a>00106 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(info.<a class="code" href="classdtn_1_1ForwardingInfo.html#9c2aa7be84c9b1f5a81d1cc19445dd53" title="Accessors.">state</a>() != <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fadb3e7fba25df11c3fce5b5a88300b0ac6" title="Return value for no entry.">ForwardingInfo::NONE</a>);
<a name="l00107"></a>00107 } <span class="keywordflow">else</span> {
<a name="l00108"></a>00108 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(info.<a class="code" href="classdtn_1_1ForwardingInfo.html#9c2aa7be84c9b1f5a81d1cc19445dd53" title="Accessors.">state</a>() == <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fadb3e7fba25df11c3fce5b5a88300b0ac6" title="Return value for no entry.">ForwardingInfo::NONE</a>);
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="comment">// check if we've already sent or are in the process of sending</span>
<a name="l00112"></a>00112 <span class="comment">// the bundle on this link</span>
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (info.<a class="code" href="classdtn_1_1ForwardingInfo.html#9c2aa7be84c9b1f5a81d1cc19445dd53" title="Accessors.">state</a>() == <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad4222cd2abd08c71c5b5387cf23ca6193" title="Successfully transmitted.">ForwardingInfo::TRANSMITTED</a> ||
<a name="l00114"></a>00114 info.<a class="code" href="classdtn_1_1ForwardingInfo.html#9c2aa7be84c9b1f5a81d1cc19445dd53" title="Accessors.">state</a>() == <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fade904c54b91c284fb69c0e6f6acccc99b" title="Currently queued or being sent.">ForwardingInfo::QUEUED</a>)
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 log_debug(<span class="stringliteral">"should_fwd bundle %d: "</span>
<a name="l00117"></a>00117 <span class="stringliteral">"skip %s due to forwarding log entry %s"</span>,
<a name="l00118"></a>00118 bundle-><a class="code" href="classdtn_1_1Bundle.html#7031e2e5e4078445bf4ad39cdcdea3b2" title="Accessors.">bundleid</a>(), link->name(),
<a name="l00119"></a>00119 <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="l00120"></a>00120 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="comment">// check if we've already sent or are in the process of sending</span>
<a name="l00124"></a>00124 <span class="comment">// the bundle to the node via some other link</span>
<a name="l00125"></a>00125 <span class="keywordflow">if</span> (link->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="l00126"></a>00126 {
<a name="l00127"></a>00127 <span class="keywordtype">size_t</span> <a class="code" href="dtnping_8c.html#d43c3812e6d13e0518d9f8b8f463ffcf">count</a> = bundle-><a class="code" href="classdtn_1_1Bundle.html#249ac137ef76e253d8e0587f2662bca7" title="Accessors.">fwdlog</a>()-><a class="code" href="classdtn_1_1ForwardingLog.html#afa0e50bb2cd435df9f883db9f8e2f20" title="Return the count of matching entries.">get_count</a>(
<a name="l00128"></a>00128 link->remote_eid(),
<a name="l00129"></a>00129 <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad4222cd2abd08c71c5b5387cf23ca6193" title="Successfully transmitted.">ForwardingInfo::TRANSMITTED</a> | <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fade904c54b91c284fb69c0e6f6acccc99b" title="Currently queued or being sent.">ForwardingInfo::QUEUED</a>);
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="keywordflow">if</span> (count > 0)
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 log_debug(<span class="stringliteral">"should_fwd bundle %d: "</span>
<a name="l00134"></a>00134 <span class="stringliteral">"skip %s since already sent or queued %zu times for remote eid %s"</span>,
<a name="l00135"></a>00135 bundle-><a class="code" href="classdtn_1_1Bundle.html#7031e2e5e4078445bf4ad39cdcdea3b2" title="Accessors.">bundleid</a>(), link->name(),
<a name="l00136"></a>00136 count, link->remote_eid().c_str());
<a name="l00137"></a>00137 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00138"></a>00138 }
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="comment">// check whether transmission was suppressed. this could be</span>
<a name="l00141"></a>00141 <span class="comment">// coupled with the previous one but it's better to have a</span>
<a name="l00142"></a>00142 <span class="comment">// separate log message</span>
<a name="l00143"></a>00143 count = bundle-><a class="code" href="classdtn_1_1Bundle.html#249ac137ef76e253d8e0587f2662bca7" title="Accessors.">fwdlog</a>()-><a class="code" href="classdtn_1_1ForwardingLog.html#afa0e50bb2cd435df9f883db9f8e2f20" title="Return the count of matching entries.">get_count</a>(
<a name="l00144"></a>00144 link->remote_eid(),
<a name="l00145"></a>00145 <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad7e404e025c65c3b35345a69533ce48a1" title="Transmission suppressed.">ForwardingInfo::SUPPRESSED</a>);
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="keywordflow">if</span> (count > 0)
<a name="l00148"></a>00148 {
<a name="l00149"></a>00149 log_debug(<span class="stringliteral">"should_fwd bundle %d: "</span>
<a name="l00150"></a>00150 <span class="stringliteral">"skip %s since transmission suppressed to remote eid %s"</span>,
<a name="l00151"></a>00151 bundle-><a class="code" href="classdtn_1_1Bundle.html#7031e2e5e4078445bf4ad39cdcdea3b2" title="Accessors.">bundleid</a>(), link->name(),
<a name="l00152"></a>00152 link->remote_eid().c_str());
<a name="l00153"></a>00153 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="comment">// if the bundle has a a singleton destination endpoint, then</span>
<a name="l00158"></a>00158 <span class="comment">// check if we already forwarded it or are planning to forward it</span>
<a name="l00159"></a>00159 <span class="comment">// somewhere else. if so, we shouldn't forward it again</span>
<a name="l00160"></a>00160 <span class="keywordflow">if</span> (bundle-><a class="code" href="classdtn_1_1Bundle.html#d6ce915f55f1dcf670575642e10f6419" title="Accessors.">singleton_dest</a>() && action == <a class="code" href="classdtn_1_1ForwardingInfo.html#18ec95dc1b1b8a7e9df9873a0d9b59471efad47dbf6015f5e4458ac355eabbaa" title="Forward the bundle to only this next hop.">ForwardingInfo::FORWARD_ACTION</a>)
<a name="l00161"></a>00161 {
<a name="l00162"></a>00162 <span class="keywordtype">size_t</span> <a class="code" href="dtnping_8c.html#d43c3812e6d13e0518d9f8b8f463ffcf">count</a> = bundle-><a class="code" href="classdtn_1_1Bundle.html#249ac137ef76e253d8e0587f2662bca7" title="Accessors.">fwdlog</a>()-><a class="code" href="classdtn_1_1ForwardingLog.html#afa0e50bb2cd435df9f883db9f8e2f20" title="Return the count of matching entries.">get_count</a>(
<a name="l00163"></a>00163 <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fad4222cd2abd08c71c5b5387cf23ca6193" title="Successfully transmitted.">ForwardingInfo::TRANSMITTED</a> |
<a name="l00164"></a>00164 <a class="code" href="classdtn_1_1ForwardingInfo.html#acf01ca8a774e80f6f7bf56c2b099fade904c54b91c284fb69c0e6f6acccc99b" title="Currently queued or being sent.">ForwardingInfo::QUEUED</a>,
<a name="l00165"></a>00165 action);
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <span class="keywordflow">if</span> (count > 0) {
<a name="l00168"></a>00168 log_debug(<span class="stringliteral">"should_fwd bundle %d: "</span>
<a name="l00169"></a>00169 <span class="stringliteral">"skip %s since already transmitted or queued (count %zu)"</span>,
<a name="l00170"></a>00170 bundle-><a class="code" href="classdtn_1_1Bundle.html#7031e2e5e4078445bf4ad39cdcdea3b2" title="Accessors.">bundleid</a>(), link->name(), count);
<a name="l00171"></a>00171 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00172"></a>00172 } <span class="keywordflow">else</span> {
<a name="l00173"></a>00173 log_debug(<span class="stringliteral">"should_fwd bundle %d: "</span>
<a name="l00174"></a>00174 <span class="stringliteral">"link %s ok since transmission count=%zu"</span>,
<a name="l00175"></a>00175 bundle-><a class="code" href="classdtn_1_1Bundle.html#7031e2e5e4078445bf4ad39cdcdea3b2" title="Accessors.">bundleid</a>(), link->name(), count);
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="comment">// otherwise log the reason why we should send it</span>
<a name="l00180"></a>00180 log_debug(<span class="stringliteral">"should_fwd bundle %d: "</span>
<a name="l00181"></a>00181 <span class="stringliteral">"match %s: forwarding log entry %s"</span>,
<a name="l00182"></a>00182 bundle-><a class="code" href="classdtn_1_1Bundle.html#7031e2e5e4078445bf4ad39cdcdea3b2" title="Accessors.">bundleid</a>(), link->name(),
<a name="l00183"></a>00183 <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="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00189"></a>00189 <span class="keywordtype">void</span>
<a name="l00190"></a><a class="code" href="classdtn_1_1BundleRouter.html#58bdadd6a5f618d44cd4c2084acc707c">00190</a> <a class="code" href="classdtn_1_1BundleRouter.html#58bdadd6a5f618d44cd4c2084acc707c">BundleRouter::initialize</a>()
<a name="l00191"></a>00191 {
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00195"></a><a class="code" href="classdtn_1_1BundleRouter.html#ab8365216a5adc94dbdb8f5adc9c18f8">00195</a> <a class="code" href="classdtn_1_1BundleRouter.html#ab8365216a5adc94dbdb8f5adc9c18f8" title="Destructor.">BundleRouter::~BundleRouter</a>()
<a name="l00196"></a>00196 {
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00200"></a>00200 <span class="keywordtype">bool</span>
<a name="l00201"></a><a class="code" href="classdtn_1_1BundleRouter.html#47afbf9e1c42ae2cfb396c3895ddca45">00201</a> <a class="code" href="classdtn_1_1BundleRouter.html#47afbf9e1c42ae2cfb396c3895ddca45" title="Synchronous probe indicating whether or not this bundle should be accepted by the...">BundleRouter::accept_bundle</a>(<a class="code" href="classdtn_1_1Bundle.html" title="The internal representation of a bundle.">Bundle</a>* bundle, <span class="keywordtype">int</span>* errp)
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 <span class="comment">// XXX/demmer this decision should be abstracted into a</span>
<a name="l00204"></a>00204 <span class="comment">// StoragePolicy class of some sort. for now just use a</span>
<a name="l00205"></a>00205 <span class="comment">// statically-configured payload limit</span>
<a name="l00206"></a>00206 <a class="code" href="classdtn_1_1BundleStore.html" title="The class for bundle storage is an instantiation of an oasys durable table to store...">BundleStore</a>* bs = BundleStore::instance();
<a name="l00207"></a>00207 <span class="keywordflow">if</span> (bs-><a class="code" href="classdtn_1_1BundleStore.html#8a503100de1f9c00d38fa66aebd78da1" title="Accessors.">payload_quota</a>() != 0 &&
<a name="l00208"></a>00208 (bs-><a class="code" href="classdtn_1_1BundleStore.html#b360ea44c0fbb86453a1b53174154ddb" title="Accessors.">total_size</a>() + bundle-><a class="code" href="classdtn_1_1Bundle.html#3bc0b88b547620b4029eba4809a73447" title="Accessors.">payload</a>().<a class="code" href="classdtn_1_1BundlePayload.html#56b3851ad789c4dbf019a32d557b7453" title="The payload length.">length</a>() > bs-><a class="code" href="classdtn_1_1BundleStore.html#8a503100de1f9c00d38fa66aebd78da1" title="Accessors.">payload_quota</a>()))
<a name="l00209"></a>00209 {
<a name="l00210"></a>00210 log_info(<span class="stringliteral">"accept_bundle: rejecting bundle *%p since "</span>
<a name="l00211"></a>00211 <span class="stringliteral">"cur size %llu + bundle size %zu > quota %llu"</span>,
<a name="l00212"></a>00212 bundle, U64FMT(bs-><a class="code" href="classdtn_1_1BundleStore.html#b360ea44c0fbb86453a1b53174154ddb" title="Accessors.">total_size</a>()), bundle-><a class="code" href="classdtn_1_1Bundle.html#3bc0b88b547620b4029eba4809a73447" title="Accessors.">payload</a>().<a class="code" href="classdtn_1_1BundlePayload.html#56b3851ad789c4dbf019a32d557b7453" title="The payload length.">length</a>(),
<a name="l00213"></a>00213 U64FMT(bs-><a class="code" href="classdtn_1_1BundleStore.html#8a503100de1f9c00d38fa66aebd78da1" title="Accessors.">payload_quota</a>()));
<a name="l00214"></a>00214 *errp = <a class="code" href="classdtn_1_1BundleProtocol.html#37b000d94172c06970bb8af32889f9176e886c084e3e545573e435ef04760c1a">BundleProtocol::REASON_DEPLETED_STORAGE</a>;
<a name="l00215"></a>00215 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217
<a name="l00218"></a>00218 *errp = 0;
<a name="l00219"></a>00219 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221
<a name="l00222"></a>00222 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00223"></a>00223 <span class="keywordtype">bool</span>
<a name="l00224"></a><a class="code" href="classdtn_1_1BundleRouter.html#50702bb5cf9c4e2b9be0a7b452c94629">00224</a> <a class="code" href="classdtn_1_1BundleRouter.html#50702bb5cf9c4e2b9be0a7b452c94629" title="Synchronous probe indicating whether or not this bundle can be deleted by the system...">BundleRouter::can_delete_bundle</a>(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a>& bundle)
<a name="l00225"></a>00225 {
<a name="l00226"></a>00226 <span class="keywordtype">size_t</span> num_mappings = bundle->num_mappings();
<a name="l00227"></a>00227 <span class="keywordflow">if</span> (num_mappings > 1) {
<a name="l00228"></a>00228 log_debug(<span class="stringliteral">"can_delete_bundle(*%p): not deleting because "</span>
<a name="l00229"></a>00229 <span class="stringliteral">"bundle has %zu list mappings"</span>,
<a name="l00230"></a>00230 bundle.object(), num_mappings);
<a name="l00231"></a>00231 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00238"></a>00238 <span class="keywordtype">void</span>
<a name="l00239"></a><a class="code" href="classdtn_1_1BundleRouter.html#4e48a822cf5f7b143cf641d26a12091f">00239</a> <a class="code" href="classdtn_1_1BundleRouter.html#4e48a822cf5f7b143cf641d26a12091f" title="Synchronous call indicating that the bundle is being deleted from the system and...">BundleRouter::delete_bundle</a>(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a>& bundle)
<a name="l00240"></a>00240 {
<a name="l00241"></a>00241 (void)bundle;
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00245"></a>00245 <span class="keywordtype">void</span>
<a name="l00246"></a><a class="code" href="classdtn_1_1BundleRouter.html#2083fea1b1c69c671626c6e71ef78d5d">00246</a> <a class="code" href="classdtn_1_1BundleRouter.html#2083fea1b1c69c671626c6e71ef78d5d" title="Format the given StringBuffer with a tcl-parsable version of the routing state.">BundleRouter::tcl_dump_state</a>(oasys::StringBuffer* <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>)
<a name="l00247"></a>00247 {
<a name="l00248"></a>00248 buf->append(<span class="stringliteral">"{}"</span>);
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00252"></a>00252 <span class="keywordtype">void</span>
<a name="l00253"></a><a class="code" href="classdtn_1_1BundleRouter.html#b679ffe5062b9bbc936b0e6dd7c6d834">00253</a> <a class="code" href="classdtn_1_1BundleRouter.html#b679ffe5062b9bbc936b0e6dd7c6d834" title="Hook to force route recomputation from the command interpreter.">BundleRouter::recompute_routes</a>()
<a name="l00254"></a>00254 {
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00258"></a>00258 <span class="keywordtype">void</span>
<a name="l00259"></a><a class="code" href="classdtn_1_1BundleRouter.html#0862b94502efe0e65fc1a7020532ba96">00259</a> <a class="code" href="classdtn_1_1BundleRouter.html#0862b94502efe0e65fc1a7020532ba96" title="for registration with the BundleDaemon">BundleRouter::shutdown</a>()
<a name="l00260"></a>00260 {
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262
<a name="l00263"></a>00263 } <span class="comment">// namespace dtn</span>
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Fri Jan 30 09:26:53 2009 for DTN Reference Implementation by
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Mandriva
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