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<h1>SimConvergenceLayer.cc</h1><a href="SimConvergenceLayer_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 <queue></span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include <oasys/util/OptParser.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <oasys/util/StringBuffer.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <oasys/util/TokenBucket.h></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="SimConvergenceLayer_8h.html">SimConvergenceLayer.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="Connectivity_8h.html">Connectivity.h</a>"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="sim_2Node_8h.html">Node.h</a>"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="Simulator_8h.html">Simulator.h</a>"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="Topology_8h.html">Topology.h</a>"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="bundling_2Bundle_8h.html">bundling/Bundle.h</a>"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="BundleEvent_8h.html">bundling/BundleEvent.h</a>"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="bundling_2BundleList_8h.html">bundling/BundleList.h</a>"</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "<a class="code" href="ContactManager_8h.html">contacts/ContactManager.h</a>"</span>
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keyword">namespace </span>dtnsim {
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keyword">class </span>InFlightBundle;
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00042"></a><a class="code" href="classdtnsim_1_1SimLink.html">00042</a> <span class="keyword">class </span><a class="code" href="classdtnsim_1_1SimLink.html">SimLink</a> : <span class="keyword">public</span> <a class="code" href="classdtn_1_1CLInfo.html" title="Abstract base class for convergence layer specific state stored in an interface /...">CLInfo</a>,
<a name="l00043"></a>00043 <span class="keyword">public</span> oasys::<a class="code" href="classoasys_1_1Logger.html">Logger</a> {
<a name="l00044"></a>00044 <span class="keyword">public</span>:
<a name="l00045"></a>00045 <span class="keyword">struct </span><a class="code" href="structdtnsim_1_1SimLink_1_1Params.html">Params</a>;
<a name="l00046"></a>00046
<a name="l00047"></a><a class="code" href="classdtnsim_1_1SimLink.html#f584fc9d65c43f00997621febd18fb37">00047</a> <a class="code" href="classdtnsim_1_1SimLink.html#f584fc9d65c43f00997621febd18fb37">SimLink</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="l00048"></a>00048 <span class="keyword">const</span> <a class="code" href="structdtnsim_1_1SimLink_1_1Params.html">SimLink::Params</a>& params)
<a name="l00049"></a>00049 : <a class="code" href="classoasys_1_1Logger.html">Logger</a>(<span class="stringliteral">"SimLink"</span>, <span class="stringliteral">"/dtn/cl/sim/%s"</span>, link->name()),
<a name="l00050"></a>00050 <a class="code" href="classdtnsim_1_1SimLink.html#a71bf2e73e47179eb051b09bf8fb7309" title="The dtn Link.">link_</a>(link.object(), <span class="stringliteral">"SimLink"</span>),
<a name="l00051"></a>00051 <a class="code" href="classdtnsim_1_1SimLink.html#2ca34df3b9fd92f81d4d94190ec67bca">params_</a>(params),
<a name="l00052"></a>00052 <a class="code" href="classdtnsim_1_1SimLink.html#acc1169aba619333dd4425ded507762f" title="Token bucket to track the link rate.">tb_</a>(((std::string)logpath_ + <span class="stringliteral">"/tb"</span>).c_str(),
<a name="l00053"></a>00053 <a class="code" href="classdtnsim_1_1SimLink.html#2ca34df3b9fd92f81d4d94190ec67bca">params_</a>.capacity_,
<a name="l00054"></a>00054 0xffffffff <span class="comment">/* unlimited rate -- overridden by Connectivity */</span>),
<a name="l00055"></a>00055 <a class="code" href="classdtnsim_1_1SimLink.html#b1cb5971c5ce861064877c0489a70c8b">inflight_timer_</a>(this, <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html" title="Timer class to manage pending events.">PendingEventTimer</a>::INFLIGHT),
<a name="l00056"></a>00056 <a class="code" href="classdtnsim_1_1SimLink.html#362b965aee05cc5ce4a12adfb2851f79">arrival_timer_</a>(this, <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html" title="Timer class to manage pending events.">PendingEventTimer</a>::ARRIVAL),
<a name="l00057"></a>00057 <a class="code" href="classdtnsim_1_1SimLink.html#d09a7883abb5a4e4b7e4e6332aef980d">transmitted_timer_</a>(this, <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html" title="Timer class to manage pending events.">PendingEventTimer</a>::TRANSMITTED)
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a><a class="code" href="classdtnsim_1_1SimLink.html#deebacf28266b8ee1be662e04f02c464">00061</a> <a class="code" href="classdtnsim_1_1SimLink.html#deebacf28266b8ee1be662e04f02c464">~SimLink</a>() {};
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keywordtype">void</span> <a class="code" href="classdtnsim_1_1SimLink.html#44df94e79e7d4d5bbf2c4daffc0bc2d4">start_next_bundle</a>();
<a name="l00064"></a>00064 <span class="keywordtype">void</span> <a class="code" href="classdtnsim_1_1SimLink.html#fd6152f3a4889cb2561cb8110465ae7a">timeout</a>(<span class="keyword">const</span> oasys::Time& now);
<a name="l00065"></a>00065 <span class="keywordtype">void</span> <a class="code" href="classdtnsim_1_1SimLink.html#569eaaf98a5ebffe3716dafed8bc7803">handle_pending_inflight</a>(<span class="keyword">const</span> oasys::Time& now);
<a name="l00066"></a>00066 <span class="keywordtype">void</span> <a class="code" href="classdtnsim_1_1SimLink.html#3e9dff5b296f40679fa1c4b929469c13">handle_arrival_events</a>(<span class="keyword">const</span> oasys::Time& now);
<a name="l00067"></a>00067 <span class="keywordtype">void</span> <a class="code" href="classdtnsim_1_1SimLink.html#fac1c027aaa1a11c3128dbafe77878c1">handle_transmitted_events</a>(<span class="keyword">const</span> oasys::Time& now);
<a name="l00068"></a>00068 <span class="keywordtype">void</span> <a class="code" href="classdtnsim_1_1SimLink.html#a9856259f0468f8c4ce0d5b043103c7b">reschedule_timers</a>();
<a name="l00069"></a>00069
<a name="l00071"></a><a class="code" href="classdtnsim_1_1SimLink.html#a71bf2e73e47179eb051b09bf8fb7309">00071</a> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> <a class="code" href="classdtnsim_1_1SimLink.html#a71bf2e73e47179eb051b09bf8fb7309" title="The dtn Link.">link_</a>;
<a name="l00072"></a>00072
<a name="l00073"></a><a class="code" href="structdtnsim_1_1SimLink_1_1Params.html">00073</a> <span class="keyword">struct </span><a class="code" href="structdtnsim_1_1SimLink_1_1Params.html">Params</a> {
<a name="l00076"></a><a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#f3a32cf75d8c239055952d76fd5bdc38">00076</a> <span class="keywordtype">bool</span> <a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#f3a32cf75d8c239055952d76fd5bdc38" title="if contact closes in the middle of a transmission, deliver the partially received...">deliver_partial_</a>;
<a name="l00077"></a>00077
<a name="l00081"></a><a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#60f1fccf979e5f344564389e1a049346">00081</a> <span class="keywordtype">bool</span> <a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#60f1fccf979e5f344564389e1a049346" title="for bundles sent over the link, signal to the router whether or not they were delivered...">reliable_</a>;
<a name="l00082"></a>00082
<a name="l00084"></a><a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#1c39847b91b0178b1a04749d64aecbf2">00084</a> u_int <a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#1c39847b91b0178b1a04749d64aecbf2" title="burst capacity of the link (default 0)">capacity_</a>;
<a name="l00085"></a>00085
<a name="l00087"></a><a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#1dac95754a10197829cf580d83072756">00087</a> <span class="keywordtype">bool</span> <a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#1dac95754a10197829cf580d83072756" title="automatically infer the remote eid when the link connects">set_remote_eid_</a>;
<a name="l00088"></a>00088
<a name="l00090"></a><a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#412ffc2b2be0d27ea3bae9ddf0142609">00090</a> <span class="keywordtype">bool</span> <a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#412ffc2b2be0d27ea3bae9ddf0142609" title="set the previous hop when bundles arrive">set_prevhop_</a>;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 } <a class="code" href="classdtnsim_1_1SimLink.html#2ca34df3b9fd92f81d4d94190ec67bca">params_</a>;
<a name="l00093"></a>00093
<a name="l00095"></a><a class="code" href="classdtnsim_1_1SimLink.html#c1b78c68f8d8f7dd512971fb59d76d1e">00095</a> <a class="code" href="classdtnsim_1_1Node.html" title="Class representing a node in the simulator (i.e.">Node</a>* <a class="code" href="classdtnsim_1_1SimLink.html#c1b78c68f8d8f7dd512971fb59d76d1e" title="The receiving node.">peer_node_</a>;
<a name="l00096"></a>00096
<a name="l00098"></a><a class="code" href="classdtnsim_1_1SimLink.html#acc1169aba619333dd4425ded507762f">00098</a> oasys::TokenBucket <a class="code" href="classdtnsim_1_1SimLink.html#acc1169aba619333dd4425ded507762f" title="Token bucket to track the link rate.">tb_</a>;
<a name="l00099"></a>00099
<a name="l00101"></a><a class="code" href="classdtnsim_1_1SimLink.html#57b0481e90469e25edf041c99826e0c3">00101</a> u_char <a class="code" href="classdtnsim_1_1SimLink.html#57b0481e90469e25edf041c99826e0c3" title="Temp buffer.">buf_</a>[65536];
<a name="l00102"></a>00102
<a name="l00105"></a><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html">00105</a> <span class="keyword">struct </span><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html" title="Helper class to track bundle transmission or reception events that need to be delivered...">PendingEvent</a> {
<a name="l00106"></a><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#43b87e30a9de363b06d3c20fba25003a">00106</a> <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#43b87e30a9de363b06d3c20fba25003a">PendingEvent</a>(<a class="code" href="classdtn_1_1Bundle.html" title="The internal representation of a bundle.">Bundle</a>* bundle,
<a name="l00107"></a>00107 <span class="keywordtype">size_t</span> total_len,
<a name="l00108"></a>00108 <span class="keyword">const</span> oasys::Time& time)
<a name="l00109"></a>00109 : <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#cc3c4756a2c86e232937126cb1b6aadc">bundle_</a>(bundle, <span class="stringliteral">"SimCL::PendingEvent"</span>),
<a name="l00110"></a>00110 <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#a8c223053f1406bba5dbd162d5e6c93b">total_len_</a>(total_len),
<a name="l00111"></a>00111 <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#e2c0d6aebcd14f8be4533ee953e5d3aa">time_</a>(time) {}
<a name="l00112"></a>00112
<a name="l00113"></a><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#cc3c4756a2c86e232937126cb1b6aadc">00113</a> <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a> <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#cc3c4756a2c86e232937126cb1b6aadc">bundle_</a>;
<a name="l00114"></a><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#a8c223053f1406bba5dbd162d5e6c93b">00114</a> <span class="keywordtype">size_t</span> <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#a8c223053f1406bba5dbd162d5e6c93b">total_len_</a>;
<a name="l00115"></a><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#e2c0d6aebcd14f8be4533ee953e5d3aa">00115</a> oasys::Time <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#e2c0d6aebcd14f8be4533ee953e5d3aa">time_</a>;
<a name="l00116"></a>00116 };
<a name="l00117"></a>00117
<a name="l00119"></a><a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72">00119</a> <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html" title="Helper class to track bundle transmission or reception events that need to be delivered...">PendingEvent</a>* <a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72" title="Pending event (at most one) to put the next bundle in flight.">pending_inflight_</a>;
<a name="l00120"></a>00120
<a name="l00122"></a><a class="code" href="classdtnsim_1_1SimLink.html#27439f634ae423b24acffe60832b9fb5">00122</a> std::queue<PendingEvent*> <a class="code" href="classdtnsim_1_1SimLink.html#27439f634ae423b24acffe60832b9fb5" title="Pending bundle arrival events.">arrival_events_</a>;
<a name="l00123"></a>00123
<a name="l00125"></a><a class="code" href="classdtnsim_1_1SimLink.html#b2ec6a0297d39426263f968a985e9fe9">00125</a> std::queue<PendingEvent*> <a class="code" href="classdtnsim_1_1SimLink.html#b2ec6a0297d39426263f968a985e9fe9" title="Pending bundle transmitted events.">transmitted_events_</a>;
<a name="l00126"></a>00126
<a name="l00128"></a><a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html">00128</a> <span class="keyword">class </span><a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html" title="Timer class to manage pending events.">PendingEventTimer</a> : <span class="keyword">public</span> oasys::Timer {
<a name="l00129"></a>00129 <span class="keyword">public</span>:
<a name="l00130"></a><a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#59f076b16894438b85a88324842f9361">00130</a> <span class="keyword">typedef</span> <span class="keyword">enum</span> { <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#59f076b16894438b85a88324842f9361aedaddb32e9879e015001eece370ae69">INFLIGHT</a>, <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#59f076b16894438b85a88324842f936112f3e7650b2a1528a099ee57c639ad1f">ARRIVAL</a>, <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#59f076b16894438b85a88324842f936173ad4e51269d3bf7a5ab978d90527201">TRANSMITTED</a> } <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#59f076b16894438b85a88324842f9361">type_t</a>;
<a name="l00131"></a>00131
<a name="l00132"></a><a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#0b879b8e4b57ad4ece8990a50f6257b5">00132</a> <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#0b879b8e4b57ad4ece8990a50f6257b5">PendingEventTimer</a>(<a class="code" href="classdtnsim_1_1SimLink.html">SimLink</a>* link, <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#59f076b16894438b85a88324842f9361">type_t</a> type)
<a name="l00133"></a>00133 : <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#9728639d558c621b6aea7252e6d527ea">link_</a>(link), <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#3b4b148614c444db4ca584320ae949da">type_</a>(type) {}
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordtype">void</span> <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#434f0a00dd9addb0d9f6ca1df0231e80">timeout</a>(<span class="keyword">const</span> timeval& now);
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="keyword">protected</span>:
<a name="l00138"></a><a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#9728639d558c621b6aea7252e6d527ea">00138</a> <a class="code" href="classdtnsim_1_1SimLink.html">SimLink</a>* <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#9728639d558c621b6aea7252e6d527ea">link_</a>;
<a name="l00139"></a><a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#3b4b148614c444db4ca584320ae949da">00139</a> <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#59f076b16894438b85a88324842f9361">type_t</a> <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#3b4b148614c444db4ca584320ae949da">type_</a>;
<a name="l00140"></a>00140 };
<a name="l00141"></a>00141
<a name="l00144"></a><a class="code" href="classdtnsim_1_1SimLink.html#b1cb5971c5ce861064877c0489a70c8b">00144</a> <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html" title="Timer class to manage pending events.">PendingEventTimer</a> <a class="code" href="classdtnsim_1_1SimLink.html#b1cb5971c5ce861064877c0489a70c8b">inflight_timer_</a>;
<a name="l00145"></a><a class="code" href="classdtnsim_1_1SimLink.html#362b965aee05cc5ce4a12adfb2851f79">00145</a> <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html" title="Timer class to manage pending events.">PendingEventTimer</a> <a class="code" href="classdtnsim_1_1SimLink.html#362b965aee05cc5ce4a12adfb2851f79">arrival_timer_</a>;
<a name="l00146"></a><a class="code" href="classdtnsim_1_1SimLink.html#d09a7883abb5a4e4b7e4e6332aef980d">00146</a> <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html" title="Timer class to manage pending events.">PendingEventTimer</a> <a class="code" href="classdtnsim_1_1SimLink.html#d09a7883abb5a4e4b7e4e6332aef980d">transmitted_timer_</a>;
<a name="l00148"></a>00148 };
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00151"></a>00151 <span class="keywordtype">void</span>
<a name="l00152"></a><a class="code" href="classdtnsim_1_1SimLink.html#44df94e79e7d4d5bbf2c4daffc0bc2d4">00152</a> <a class="code" href="classdtnsim_1_1SimLink.html#44df94e79e7d4d5bbf2c4daffc0bc2d4">SimLink::start_next_bundle</a>()
<a name="l00153"></a>00153 {
<a name="l00154"></a>00154 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(!<a class="code" href="classdtnsim_1_1SimLink.html#a71bf2e73e47179eb051b09bf8fb7309" title="The dtn Link.">link_</a>->queue()->empty());
<a name="l00155"></a>00155 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(<a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72" title="Pending event (at most one) to put the next bundle in flight.">pending_inflight_</a> == NULL);
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <a class="code" href="classdtnsim_1_1Node.html" title="Class representing a node in the simulator (i.e.">Node</a>* src_node = <a class="code" href="classdtnsim_1_1Node.html#0092d41cdd29927ede0833a8164885e9" title="Return the current active node.">Node::active_node</a>();
<a name="l00158"></a>00158 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(src_node != <a class="code" href="classdtnsim_1_1SimLink.html#c1b78c68f8d8f7dd512971fb59d76d1e" title="The receiving node.">peer_node_</a>);
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="keyword">const</span> <a class="code" href="structdtnsim_1_1ConnState.html" title="Helper struct to store the current connectivity settings between a pair (or set)...">ConnState</a>* cs = <a class="code" href="classdtnsim_1_1Connectivity.html#497447ab2f860f9767b44ee5946516a6" title="Singleton accessor.">Connectivity::instance</a>()-><a class="code" href="classdtnsim_1_1Connectivity.html#a51f2d31913b28dafe3db9448c34c4ef" title="Get the current connectivity state between two nodes.">lookup</a>(src_node, <a class="code" href="classdtnsim_1_1SimLink.html#c1b78c68f8d8f7dd512971fb59d76d1e" title="The receiving node.">peer_node_</a>);
<a name="l00161"></a>00161 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(cs);
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a> src_bundle(<span class="stringliteral">"SimLink::start_next_bundle"</span>);
<a name="l00164"></a>00164 src_bundle = <a class="code" href="classdtnsim_1_1SimLink.html#a71bf2e73e47179eb051b09bf8fb7309" title="The dtn Link.">link_</a>->queue()->front();
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <a class="code" href="classdtn_1_1BlockInfoVec.html" title="Class for a vector of BlockInfo structures.">BlockInfoVec</a>* blocks = src_bundle->xmit_blocks()->find_blocks(<a class="code" href="classdtnsim_1_1SimLink.html#a71bf2e73e47179eb051b09bf8fb7309" title="The dtn Link.">link_</a>);
<a name="l00167"></a>00167 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(blocks != NULL);
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="comment">// since we don't really have any payload to send, we find the</span>
<a name="l00170"></a>00170 <span class="comment">// payload block and overwrite the data_length to be zero, then</span>
<a name="l00171"></a>00171 <span class="comment">// adjust the payload_ on the new bundle</span>
<a name="l00172"></a>00172 <span class="keywordflow">if</span> (src_bundle->payload().location() == BundlePayload::NODATA) {
<a name="l00173"></a>00173 <a class="code" href="classdtn_1_1BlockInfo.html" title="Class used to store unparsed bundle blocks and associated metadata about them.">BlockInfo</a>* payload = <span class="keyword">const_cast<</span><a class="code" href="classdtn_1_1BlockInfo.html" title="Class used to store unparsed bundle blocks and associated metadata about them.">BlockInfo</a>*<span class="keyword">></span>(
<a name="l00174"></a>00174 blocks-><a class="code" href="classdtn_1_1BlockInfoVec.html#646316c3b0fb301712bb39fdbfd3207e" title="Find the block for the given type.">find_block</a>(BundleProtocol::PAYLOAD_BLOCK));
<a name="l00175"></a>00175 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(payload != NULL);
<a name="l00176"></a>00176 payload-><a class="code" href="classdtn_1_1BlockInfo.html#38d215397b046a403f252512227c29a9" title="Mutating accessors.">set_data_length</a>(0);
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="keywordtype">bool</span> complete = <span class="keyword">false</span>;
<a name="l00180"></a>00180 <span class="keywordtype">size_t</span> <a class="code" href="num2sdnv_8c.html#fed088663f8704004425cdae2120b9b3">len</a> = BundleProtocol::produce(src_bundle.object(), blocks,
<a name="l00181"></a>00181 <a class="code" href="classdtnsim_1_1SimLink.html#57b0481e90469e25edf041c99826e0c3" title="Temp buffer.">buf_</a>, 0, <span class="keyword">sizeof</span>(buf_),
<a name="l00182"></a>00182 &complete);
<a name="l00183"></a>00183 ASSERTF(complete, <span class="stringliteral">"BundleProtocol non-payload blocks must fit in "</span>
<a name="l00184"></a>00184 <span class="stringliteral">"65 K buffer size"</span>);
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="keywordtype">size_t</span> total_len = len;
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="keywordflow">if</span> (src_bundle->payload().location() == BundlePayload::NODATA)
<a name="l00189"></a>00189 total_len += src_bundle->payload().length();
<a name="l00190"></a>00190
<a name="l00191"></a>00191 complete = <span class="keyword">false</span>;
<a name="l00192"></a>00192 <a class="code" href="classdtn_1_1Bundle.html" title="The internal representation of a bundle.">Bundle</a>* dst_bundle = <span class="keyword">new</span> <a class="code" href="classdtn_1_1Bundle.html" title="The internal representation of a bundle.">Bundle</a>(src_bundle->payload().location());
<a name="l00193"></a>00193 <span class="keywordtype">int</span> cc = BundleProtocol::consume(dst_bundle, buf_, len, &complete);
<a name="l00194"></a>00194 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(cc == (<span class="keywordtype">int</span>)len);
<a name="l00195"></a>00195 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(complete);
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="keywordflow">if</span> (src_bundle->payload().location() == BundlePayload::NODATA) {
<a name="l00198"></a>00198 dst_bundle-><a class="code" href="classdtn_1_1Bundle.html#857079bad68497626f75c2985b69052f" title="Setters and mutable accessors.">mutable_payload</a>()-><a class="code" href="classdtn_1_1BundlePayload.html#af1ede6096a6d625fb83c001a9d490d6" title="Set the payload length in preparation for filling in with data.">set_length</a>(src_bundle->payload().length());
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <a class="code" href="classdtnsim_1_1SimLink.html#acc1169aba619333dd4425ded507762f" title="Token bucket to track the link rate.">tb_</a>.drain(total_len * 8);
<a name="l00202"></a>00202
<a name="l00203"></a>00203 oasys::Time bw_delay = <a class="code" href="classdtnsim_1_1SimLink.html#acc1169aba619333dd4425ded507762f" title="Token bucket to track the link rate.">tb_</a>.time_to_level(0);
<a name="l00204"></a>00204 oasys::Time inflight_time = oasys::Time(<a class="code" href="classdtnsim_1_1Simulator.html#e428d32758e9f94c855b43527d87bd84" title="Return the current simulator time.">Simulator::time</a>()) + bw_delay;
<a name="l00205"></a>00205 oasys::Time arrival_time = inflight_time + cs-><a class="code" href="structdtnsim_1_1ConnState.html#2d33bb7b4db92d3aba604c08b5e36fab">latency_</a>;
<a name="l00206"></a>00206 oasys::Time transmitted_time;
<a name="l00207"></a>00207
<a name="l00208"></a>00208 <span class="comment">// the transmitted event either occurs after the "ack" comes back</span>
<a name="l00209"></a>00209 <span class="comment">// (when in reliable mode) or immediately after we send the bundle</span>
<a name="l00210"></a>00210 <span class="keywordflow">if</span> (<a class="code" href="classdtnsim_1_1SimLink.html#2ca34df3b9fd92f81d4d94190ec67bca">params_</a>.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#60f1fccf979e5f344564389e1a049346" title="for bundles sent over the link, signal to the router whether or not they were delivered...">reliable_</a>) {
<a name="l00211"></a>00211 transmitted_time = inflight_time + (cs-><a class="code" href="structdtnsim_1_1ConnState.html#2d33bb7b4db92d3aba604c08b5e36fab">latency_</a> * 2);
<a name="l00212"></a>00212 } <span class="keywordflow">else</span> {
<a name="l00213"></a>00213 transmitted_time = inflight_time;
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215
<a name="l00216"></a>00216 log_debug(<span class="stringliteral">"send_bundle src %d dst %d: total len %zu, "</span>
<a name="l00217"></a>00217 <span class="stringliteral">"inflight_time %u.%u arrival_time %u.%u transmitted_time %u.%u"</span>,
<a name="l00218"></a>00218 src_bundle->bundleid(), dst_bundle-><a class="code" href="classdtn_1_1Bundle.html#7031e2e5e4078445bf4ad39cdcdea3b2" title="Accessors.">bundleid</a>(), total_len,
<a name="l00219"></a>00219 inflight_time.sec_, inflight_time.usec_,
<a name="l00220"></a>00220 arrival_time.sec_, arrival_time.usec_,
<a name="l00221"></a>00221 transmitted_time.sec_, transmitted_time.usec_);
<a name="l00222"></a>00222
<a name="l00223"></a>00223 <a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72" title="Pending event (at most one) to put the next bundle in flight.">pending_inflight_</a> = <span class="keyword">new</span> <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html" title="Helper class to track bundle transmission or reception events that need to be delivered...">PendingEvent</a>(src_bundle.object(), total_len, inflight_time);
<a name="l00224"></a>00224 <a class="code" href="classdtnsim_1_1SimLink.html#27439f634ae423b24acffe60832b9fb5" title="Pending bundle arrival events.">arrival_events_</a>.push(<span class="keyword">new</span> <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html" title="Helper class to track bundle transmission or reception events that need to be delivered...">PendingEvent</a>(dst_bundle, total_len, arrival_time));
<a name="l00225"></a>00225 <a class="code" href="classdtnsim_1_1SimLink.html#b2ec6a0297d39426263f968a985e9fe9" title="Pending bundle transmitted events.">transmitted_events_</a>.push(<span class="keyword">new</span> <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html" title="Helper class to track bundle transmission or reception events that need to be delivered...">PendingEvent</a>(src_bundle.object(), total_len, transmitted_time));
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <a class="code" href="classdtnsim_1_1SimLink.html#a9856259f0468f8c4ce0d5b043103c7b">reschedule_timers</a>();
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229
<a name="l00230"></a>00230 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00231"></a>00231 <span class="keywordtype">void</span>
<a name="l00232"></a><a class="code" href="classdtnsim_1_1SimLink.html#a9856259f0468f8c4ce0d5b043103c7b">00232</a> <a class="code" href="classdtnsim_1_1SimLink.html#a9856259f0468f8c4ce0d5b043103c7b">SimLink::reschedule_timers</a>()
<a name="l00233"></a>00233 {
<a name="l00234"></a>00234 <span class="comment">// if the timer is already pending, there's no need to reschedule</span>
<a name="l00235"></a>00235 <span class="comment">// since the channel is FIFO and latency changes don't take effect</span>
<a name="l00236"></a>00236 <span class="comment">// mid-flight</span>
<a name="l00237"></a>00237
<a name="l00238"></a>00238 <span class="keywordflow">if</span> (! <a class="code" href="classdtnsim_1_1SimLink.html#b1cb5971c5ce861064877c0489a70c8b">inflight_timer_</a>.pending() && <a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72" title="Pending event (at most one) to put the next bundle in flight.">pending_inflight_</a> != NULL)
<a name="l00239"></a>00239 {
<a name="l00240"></a>00240 <a class="code" href="classdtnsim_1_1SimLink.html#b1cb5971c5ce861064877c0489a70c8b">inflight_timer_</a>.schedule_at(<a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72" title="Pending event (at most one) to put the next bundle in flight.">pending_inflight_</a>-><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#e2c0d6aebcd14f8be4533ee953e5d3aa">time_</a>);
<a name="l00241"></a>00241 }
<a name="l00242"></a>00242
<a name="l00243"></a>00243 <span class="keywordflow">if</span> (! <a class="code" href="classdtnsim_1_1SimLink.html#362b965aee05cc5ce4a12adfb2851f79">arrival_timer_</a>.pending() && !<a class="code" href="classdtnsim_1_1SimLink.html#27439f634ae423b24acffe60832b9fb5" title="Pending bundle arrival events.">arrival_events_</a>.empty())
<a name="l00244"></a>00244 {
<a name="l00245"></a>00245 <a class="code" href="classdtnsim_1_1SimLink.html#362b965aee05cc5ce4a12adfb2851f79">arrival_timer_</a>.schedule_at(<a class="code" href="classdtnsim_1_1SimLink.html#27439f634ae423b24acffe60832b9fb5" title="Pending bundle arrival events.">arrival_events_</a>.front()->time_);
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <span class="keywordflow">if</span> (! <a class="code" href="classdtnsim_1_1SimLink.html#d09a7883abb5a4e4b7e4e6332aef980d">transmitted_timer_</a>.pending() && !<a class="code" href="classdtnsim_1_1SimLink.html#b2ec6a0297d39426263f968a985e9fe9" title="Pending bundle transmitted events.">transmitted_events_</a>.empty())
<a name="l00249"></a>00249 {
<a name="l00250"></a>00250 <a class="code" href="classdtnsim_1_1SimLink.html#d09a7883abb5a4e4b7e4e6332aef980d">transmitted_timer_</a>.schedule_at(<a class="code" href="classdtnsim_1_1SimLink.html#b2ec6a0297d39426263f968a985e9fe9" title="Pending bundle transmitted events.">transmitted_events_</a>.front()->time_);
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253
<a name="l00254"></a>00254 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00255"></a>00255 <span class="keywordtype">void</span>
<a name="l00256"></a><a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#434f0a00dd9addb0d9f6ca1df0231e80">00256</a> <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#434f0a00dd9addb0d9f6ca1df0231e80">SimLink::PendingEventTimer::timeout</a>(<span class="keyword">const</span> timeval& tv)
<a name="l00257"></a>00257 {
<a name="l00258"></a>00258 oasys::Time now(tv.tv_sec, tv.tv_usec);
<a name="l00259"></a>00259 <span class="keywordflow">switch</span> (<a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#3b4b148614c444db4ca584320ae949da">type_</a>) {
<a name="l00260"></a>00260 <span class="keywordflow">case</span> <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#59f076b16894438b85a88324842f9361aedaddb32e9879e015001eece370ae69">INFLIGHT</a>:
<a name="l00261"></a>00261 <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#9728639d558c621b6aea7252e6d527ea">link_</a>-><a class="code" href="classdtnsim_1_1SimLink.html#569eaaf98a5ebffe3716dafed8bc7803">handle_pending_inflight</a>(now);
<a name="l00262"></a>00262 <span class="keywordflow">break</span>;
<a name="l00263"></a>00263 <span class="keywordflow">case</span> <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#59f076b16894438b85a88324842f936112f3e7650b2a1528a099ee57c639ad1f">ARRIVAL</a>:
<a name="l00264"></a>00264 <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#9728639d558c621b6aea7252e6d527ea">link_</a>-><a class="code" href="classdtnsim_1_1SimLink.html#3e9dff5b296f40679fa1c4b929469c13">handle_arrival_events</a>(now);
<a name="l00265"></a>00265 <span class="keywordflow">break</span>;
<a name="l00266"></a>00266 <span class="keywordflow">case</span> <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#59f076b16894438b85a88324842f936173ad4e51269d3bf7a5ab978d90527201">TRANSMITTED</a>:
<a name="l00267"></a>00267 <a class="code" href="classdtnsim_1_1SimLink_1_1PendingEventTimer.html#9728639d558c621b6aea7252e6d527ea">link_</a>-><a class="code" href="classdtnsim_1_1SimLink.html#fac1c027aaa1a11c3128dbafe77878c1">handle_transmitted_events</a>(now);
<a name="l00268"></a>00268 <span class="keywordflow">break</span>;
<a name="l00269"></a>00269 <span class="keywordflow">default</span>:
<a name="l00270"></a>00270 NOTREACHED;
<a name="l00271"></a>00271 }
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00275"></a>00275 <span class="keywordtype">void</span>
<a name="l00276"></a><a class="code" href="classdtnsim_1_1SimLink.html#569eaaf98a5ebffe3716dafed8bc7803">00276</a> <a class="code" href="classdtnsim_1_1SimLink.html#569eaaf98a5ebffe3716dafed8bc7803">SimLink::handle_pending_inflight</a>(<span class="keyword">const</span> oasys::Time& now)
<a name="l00277"></a>00277 {
<a name="l00278"></a>00278 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(<a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72" title="Pending event (at most one) to put the next bundle in flight.">pending_inflight_</a> != NULL);
<a name="l00279"></a>00279
<a name="l00280"></a>00280 <span class="comment">// deliver any bundles that have arrived</span>
<a name="l00281"></a>00281 <span class="keywordflow">if</span> (<a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72" title="Pending event (at most one) to put the next bundle in flight.">pending_inflight_</a>-><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#e2c0d6aebcd14f8be4533ee953e5d3aa">time_</a> <= now) {
<a name="l00282"></a>00282 <span class="keyword">const</span> <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a>& bundle = <a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72" title="Pending event (at most one) to put the next bundle in flight.">pending_inflight_</a>-><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#cc3c4756a2c86e232937126cb1b6aadc">bundle_</a>;
<a name="l00283"></a>00283
<a name="l00284"></a>00284 log_debug(<span class="stringliteral">"putting *%p in flight"</span>, bundle.object());
<a name="l00285"></a>00285 <a class="code" href="classdtnsim_1_1SimLink.html#a71bf2e73e47179eb051b09bf8fb7309" title="The dtn Link.">link_</a>->add_to_inflight(bundle, <a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72" title="Pending event (at most one) to put the next bundle in flight.">pending_inflight_</a>-><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#a8c223053f1406bba5dbd162d5e6c93b">total_len_</a>);
<a name="l00286"></a>00286 <a class="code" href="classdtnsim_1_1SimLink.html#a71bf2e73e47179eb051b09bf8fb7309" title="The dtn Link.">link_</a>->del_from_queue(bundle, <a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72" title="Pending event (at most one) to put the next bundle in flight.">pending_inflight_</a>-><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#a8c223053f1406bba5dbd162d5e6c93b">total_len_</a>);
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="comment">// XXX/demmer maybe there should be an event for this??</span>
<a name="l00289"></a>00289
<a name="l00290"></a>00290 <span class="keyword">delete</span> <a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72" title="Pending event (at most one) to put the next bundle in flight.">pending_inflight_</a>;
<a name="l00291"></a>00291 <a class="code" href="classdtnsim_1_1SimLink.html#2893440f71bdbe2d95b8c4c7b56f5c72" title="Pending event (at most one) to put the next bundle in flight.">pending_inflight_</a> = NULL;
<a name="l00292"></a>00292
<a name="l00293"></a>00293 <span class="keywordflow">if</span> (! <a class="code" href="classdtnsim_1_1SimLink.html#a71bf2e73e47179eb051b09bf8fb7309" title="The dtn Link.">link_</a>->queue()->empty()) {
<a name="l00294"></a>00294 <a class="code" href="classdtnsim_1_1SimLink.html#44df94e79e7d4d5bbf2c4daffc0bc2d4">start_next_bundle</a>();
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297
<a name="l00298"></a>00298 <a class="code" href="classdtnsim_1_1SimLink.html#a9856259f0468f8c4ce0d5b043103c7b">reschedule_timers</a>();
<a name="l00299"></a>00299 }
<a name="l00300"></a>00300
<a name="l00301"></a>00301 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00302"></a>00302 <span class="keywordtype">void</span>
<a name="l00303"></a><a class="code" href="classdtnsim_1_1SimLink.html#3e9dff5b296f40679fa1c4b929469c13">00303</a> <a class="code" href="classdtnsim_1_1SimLink.html#3e9dff5b296f40679fa1c4b929469c13">SimLink::handle_arrival_events</a>(<span class="keyword">const</span> oasys::Time& now)
<a name="l00304"></a>00304 {
<a name="l00305"></a>00305 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(! <a class="code" href="classdtnsim_1_1SimLink.html#27439f634ae423b24acffe60832b9fb5" title="Pending bundle arrival events.">arrival_events_</a>.empty());
<a name="l00306"></a>00306
<a name="l00307"></a>00307 <span class="comment">// deliver any bundles that have arrived</span>
<a name="l00308"></a>00308 <span class="keywordflow">while</span> (! <a class="code" href="classdtnsim_1_1SimLink.html#27439f634ae423b24acffe60832b9fb5" title="Pending bundle arrival events.">arrival_events_</a>.empty()) {
<a name="l00309"></a>00309 <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html" title="Helper class to track bundle transmission or reception events that need to be delivered...">PendingEvent</a>* next = <a class="code" href="classdtnsim_1_1SimLink.html#27439f634ae423b24acffe60832b9fb5" title="Pending bundle arrival events.">arrival_events_</a>.front();
<a name="l00310"></a>00310 <span class="keywordflow">if</span> (next-><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#e2c0d6aebcd14f8be4533ee953e5d3aa">time_</a> <= now) {
<a name="l00311"></a>00311 <span class="keyword">const</span> <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a>& bundle = next-><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#cc3c4756a2c86e232937126cb1b6aadc">bundle_</a>;
<a name="l00312"></a>00312 <a class="code" href="classdtnsim_1_1SimLink.html#27439f634ae423b24acffe60832b9fb5" title="Pending bundle arrival events.">arrival_events_</a>.pop();
<a name="l00313"></a>00313
<a name="l00314"></a>00314 log_debug(<span class="stringliteral">"*%p arrived"</span>, bundle.object());
<a name="l00315"></a>00315
<a name="l00316"></a>00316 <a class="code" href="classdtn_1_1BundleReceivedEvent.html" title="Event class for new bundle arrivals.">BundleReceivedEvent</a>* rcv_event =
<a name="l00317"></a>00317 <span class="keyword">new</span> <a class="code" href="classdtn_1_1BundleReceivedEvent.html" title="Event class for new bundle arrivals.">BundleReceivedEvent</a>(bundle.object(),
<a name="l00318"></a>00318 <a class="code" href="namespacedtn.html#60ee39c9672604f59fe1b12d4e1d142bb0775776e4be46e62a0dcff6cf968059" title="a peer dtn forwarder">EVENTSRC_PEER</a>,
<a name="l00319"></a>00319 next-><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#a8c223053f1406bba5dbd162d5e6c93b">total_len_</a>,
<a name="l00320"></a>00320 <a class="code" href="classdtnsim_1_1SimLink.html#2ca34df3b9fd92f81d4d94190ec67bca">params_</a>.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#412ffc2b2be0d27ea3bae9ddf0142609" title="set the previous hop when bundles arrive">set_prevhop_</a> ?
<a name="l00321"></a>00321 <a class="code" href="classdtnsim_1_1Node.html#0092d41cdd29927ede0833a8164885e9" title="Return the current active node.">Node::active_node</a>()-><a class="code" href="classdtn_1_1BundleDaemon.html#f606a71844413e32918c9c3e98b8ce3f" title="Return the local endpoint identifier.">local_eid</a>() :
<a name="l00322"></a>00322 EndpointID::NULL_EID());
<a name="l00323"></a>00323 <a class="code" href="classdtnsim_1_1SimLink.html#c1b78c68f8d8f7dd512971fb59d76d1e" title="The receiving node.">peer_node_</a>-><a class="code" href="classdtnsim_1_1Node.html#0986c0f6d3eeec3fba7779a3d6d38513" title="Virtual post function, overridden in the simulator to use the modified event queue...">post_event</a>(rcv_event);
<a name="l00324"></a>00324
<a name="l00325"></a>00325 <span class="keyword">delete</span> next;
<a name="l00326"></a>00326
<a name="l00327"></a>00327 } <span class="keywordflow">else</span> {
<a name="l00328"></a>00328 <span class="keywordflow">break</span>;
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330 }
<a name="l00331"></a>00331
<a name="l00332"></a>00332 <a class="code" href="classdtnsim_1_1SimLink.html#a9856259f0468f8c4ce0d5b043103c7b">reschedule_timers</a>();
<a name="l00333"></a>00333 }
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00336"></a>00336 <span class="keywordtype">void</span>
<a name="l00337"></a><a class="code" href="classdtnsim_1_1SimLink.html#fac1c027aaa1a11c3128dbafe77878c1">00337</a> <a class="code" href="classdtnsim_1_1SimLink.html#fac1c027aaa1a11c3128dbafe77878c1">SimLink::handle_transmitted_events</a>(<span class="keyword">const</span> oasys::Time& now)
<a name="l00338"></a>00338 {
<a name="l00339"></a>00339 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(! <a class="code" href="classdtnsim_1_1SimLink.html#b2ec6a0297d39426263f968a985e9fe9" title="Pending bundle transmitted events.">transmitted_events_</a>.empty());
<a name="l00340"></a>00340
<a name="l00341"></a>00341 <span class="comment">// deliver any bundles that have arrived</span>
<a name="l00342"></a>00342 <span class="keywordflow">while</span> (! <a class="code" href="classdtnsim_1_1SimLink.html#b2ec6a0297d39426263f968a985e9fe9" title="Pending bundle transmitted events.">transmitted_events_</a>.empty()) {
<a name="l00343"></a>00343 <a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html" title="Helper class to track bundle transmission or reception events that need to be delivered...">PendingEvent</a>* next = <a class="code" href="classdtnsim_1_1SimLink.html#b2ec6a0297d39426263f968a985e9fe9" title="Pending bundle transmitted events.">transmitted_events_</a>.front();
<a name="l00344"></a>00344 <span class="keywordflow">if</span> (next-><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#e2c0d6aebcd14f8be4533ee953e5d3aa">time_</a> <= now) {
<a name="l00345"></a>00345 <span class="keyword">const</span> <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a>& bundle = next-><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#cc3c4756a2c86e232937126cb1b6aadc">bundle_</a>;
<a name="l00346"></a>00346 <a class="code" href="classdtnsim_1_1SimLink.html#b2ec6a0297d39426263f968a985e9fe9" title="Pending bundle transmitted events.">transmitted_events_</a>.pop();
<a name="l00347"></a>00347
<a name="l00348"></a>00348 log_debug(<span class="stringliteral">"*%p transmitted"</span>, bundle.object());
<a name="l00349"></a>00349
<a name="l00350"></a>00350 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(<a class="code" href="classdtnsim_1_1SimLink.html#a71bf2e73e47179eb051b09bf8fb7309" title="The dtn Link.">link_</a>->contact() != NULL);
<a name="l00351"></a>00351
<a name="l00352"></a>00352 <a class="code" href="classdtn_1_1BundleTransmittedEvent.html" title="Event class for bundle or fragment transmission.">BundleTransmittedEvent</a>* xmit_event =
<a name="l00353"></a>00353 <span class="keyword">new</span> <a class="code" href="classdtn_1_1BundleTransmittedEvent.html" title="Event class for bundle or fragment transmission.">BundleTransmittedEvent</a>(bundle.object(), <a class="code" href="classdtnsim_1_1SimLink.html#a71bf2e73e47179eb051b09bf8fb7309" title="The dtn Link.">link_</a>->contact(), <a class="code" href="classdtnsim_1_1SimLink.html#a71bf2e73e47179eb051b09bf8fb7309" title="The dtn Link.">link_</a>,
<a name="l00354"></a>00354 next-><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#a8c223053f1406bba5dbd162d5e6c93b">total_len_</a>,
<a name="l00355"></a>00355 <a class="code" href="classdtnsim_1_1SimLink.html#2ca34df3b9fd92f81d4d94190ec67bca">params_</a>.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#60f1fccf979e5f344564389e1a049346" title="for bundles sent over the link, signal to the router whether or not they were delivered...">reliable_</a> ? next-><a class="code" href="structdtnsim_1_1SimLink_1_1PendingEvent.html#a8c223053f1406bba5dbd162d5e6c93b">total_len_</a> : 0);
<a name="l00356"></a>00356 BundleDaemon::post(xmit_event);
<a name="l00357"></a>00357
<a name="l00358"></a>00358 <span class="keyword">delete</span> next;
<a name="l00359"></a>00359 } <span class="keywordflow">else</span> {
<a name="l00360"></a>00360 <span class="keywordflow">break</span>;
<a name="l00361"></a>00361 }
<a name="l00362"></a>00362 }
<a name="l00363"></a>00363
<a name="l00364"></a>00364 <a class="code" href="classdtnsim_1_1SimLink.html#a9856259f0468f8c4ce0d5b043103c7b">reschedule_timers</a>();
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00368"></a>00368 <a class="code" href="classdtnsim_1_1SimConvergenceLayer.html" title="Simulator implementation of the Convergence Layer API.">SimConvergenceLayer</a>* <a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#0098039e4a83481bc79a9544d04f6a21">SimConvergenceLayer::instance_</a>;
<a name="l00369"></a>00369
<a name="l00370"></a><a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#86ff6f1bd31a92eaa9addb07d2f19082">00370</a> <a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#86ff6f1bd31a92eaa9addb07d2f19082" title="Constructor.">SimConvergenceLayer::SimConvergenceLayer</a>()
<a name="l00371"></a>00371 : <a class="code" href="classdtn_1_1ConvergenceLayer.html" title="The abstract interface for a convergence layer.">ConvergenceLayer</a>(<span class="stringliteral">"SimConvergenceLayer"</span>, <span class="stringliteral">"sim"</span>)
<a name="l00372"></a>00372 {
<a name="l00373"></a>00373 }
<a name="l00374"></a>00374
<a name="l00375"></a>00375 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00376"></a>00376 <span class="keywordtype">bool</span>
<a name="l00377"></a><a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#61a4c4bd2f5b405da5f691dec3dd961b">00377</a> <a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#61a4c4bd2f5b405da5f691dec3dd961b">SimConvergenceLayer::init_link</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="l00378"></a>00378 <span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[])
<a name="l00379"></a>00379 {
<a name="l00380"></a>00380 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00381"></a>00381 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(!link->isdeleted());
<a name="l00382"></a>00382 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link->cl_info() == NULL);
<a name="l00383"></a>00383
<a name="l00384"></a>00384 oasys::OptParser p;
<a name="l00385"></a>00385 <a class="code" href="structdtnsim_1_1SimLink_1_1Params.html">SimLink::Params</a> params;
<a name="l00386"></a>00386
<a name="l00387"></a>00387 params.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#f3a32cf75d8c239055952d76fd5bdc38" title="if contact closes in the middle of a transmission, deliver the partially received...">deliver_partial_</a> = <span class="keyword">true</span>;
<a name="l00388"></a>00388 params.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#60f1fccf979e5f344564389e1a049346" title="for bundles sent over the link, signal to the router whether or not they were delivered...">reliable_</a> = <span class="keyword">true</span>;
<a name="l00389"></a>00389 params.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#1c39847b91b0178b1a04749d64aecbf2" title="burst capacity of the link (default 0)">capacity_</a> = 0;
<a name="l00390"></a>00390 params.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#1dac95754a10197829cf580d83072756" title="automatically infer the remote eid when the link connects">set_remote_eid_</a> = <span class="keyword">true</span>;
<a name="l00391"></a>00391 params.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#412ffc2b2be0d27ea3bae9ddf0142609" title="set the previous hop when bundles arrive">set_prevhop_</a> = <span class="keyword">true</span>;
<a name="l00392"></a>00392
<a name="l00393"></a>00393 p.addopt(<span class="keyword">new</span> oasys::BoolOpt(<span class="stringliteral">"deliver_partial"</span>, &params.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#f3a32cf75d8c239055952d76fd5bdc38" title="if contact closes in the middle of a transmission, deliver the partially received...">deliver_partial_</a>));
<a name="l00394"></a>00394 p.addopt(<span class="keyword">new</span> oasys::BoolOpt(<span class="stringliteral">"reliable"</span>, &params.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#60f1fccf979e5f344564389e1a049346" title="for bundles sent over the link, signal to the router whether or not they were delivered...">reliable_</a>));
<a name="l00395"></a>00395 p.addopt(<span class="keyword">new</span> oasys::UIntOpt(<span class="stringliteral">"capacity"</span>, &params.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#1c39847b91b0178b1a04749d64aecbf2" title="burst capacity of the link (default 0)">capacity_</a>));
<a name="l00396"></a>00396 p.addopt(<span class="keyword">new</span> oasys::BoolOpt(<span class="stringliteral">"set_remote_eid"</span>, &params.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#1dac95754a10197829cf580d83072756" title="automatically infer the remote eid when the link connects">set_remote_eid_</a>));
<a name="l00397"></a>00397 p.addopt(<span class="keyword">new</span> oasys::BoolOpt(<span class="stringliteral">"set_prevhop"</span>, &params.<a class="code" href="structdtnsim_1_1SimLink_1_1Params.html#412ffc2b2be0d27ea3bae9ddf0142609" title="set the previous hop when bundles arrive">set_prevhop_</a>));
<a name="l00398"></a>00398
<a name="l00399"></a>00399 <span class="keyword">const</span> <span class="keywordtype">char</span>* invalid;
<a name="l00400"></a>00400 <span class="keywordflow">if</span> (! p.parse(argc, argv, &invalid)) {
<a name="l00401"></a>00401 log_err(<span class="stringliteral">"error parsing link options: invalid option %s"</span>, invalid);
<a name="l00402"></a>00402 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00403"></a>00403 }
<a name="l00404"></a>00404
<a name="l00405"></a>00405 <a class="code" href="classdtnsim_1_1SimLink.html">SimLink</a>* sl = <span class="keyword">new</span> <a class="code" href="classdtnsim_1_1SimLink.html">SimLink</a>(link, params);
<a name="l00406"></a>00406 sl-><a class="code" href="classdtnsim_1_1SimLink.html#c1b78c68f8d8f7dd512971fb59d76d1e" title="The receiving node.">peer_node_</a> = <a class="code" href="classdtnsim_1_1Topology.html#47925759729cb97284a5bb032941b132">Topology::find_node</a>(link->nexthop());
<a name="l00407"></a>00407
<a name="l00408"></a>00408 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(sl-><a class="code" href="classdtnsim_1_1SimLink.html#c1b78c68f8d8f7dd512971fb59d76d1e" title="The receiving node.">peer_node_</a>);
<a name="l00409"></a>00409 link->set_cl_info(sl);
<a name="l00410"></a>00410
<a name="l00411"></a>00411 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00412"></a>00412 }
<a name="l00413"></a>00413
<a name="l00414"></a>00414 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00415"></a>00415 <span class="keywordtype">void</span>
<a name="l00416"></a><a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#b2b2198bb3dcbf48bb4a096523aca83d">00416</a> <a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#b2b2198bb3dcbf48bb4a096523aca83d">SimConvergenceLayer::delete_link</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="l00417"></a>00417 {
<a name="l00418"></a>00418 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00419"></a>00419 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(!link->isdeleted());
<a name="l00420"></a>00420 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link->cl_info() != NULL);
<a name="l00421"></a>00421
<a name="l00422"></a>00422 log_debug(<span class="stringliteral">"SimConvergenceLayer::delete_link: "</span>
<a name="l00423"></a>00423 <span class="stringliteral">"deleting link %s"</span>, link->name());
<a name="l00424"></a>00424
<a name="l00425"></a>00425 <span class="keyword">delete</span> link->cl_info();
<a name="l00426"></a>00426 link->set_cl_info(NULL);
<a name="l00427"></a>00427 }
<a name="l00428"></a>00428
<a name="l00429"></a>00429 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00430"></a>00430 <span class="keywordtype">bool</span>
<a name="l00431"></a><a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#1a7ad793750a14ee2e500ee1e87d5381">00431</a> <a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#1a7ad793750a14ee2e500ee1e87d5381">SimConvergenceLayer::open_contact</a>(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#5f869544c85c75b5a85a14d6e90d7ff7" title="Typedef for a reference on a contact.">ContactRef</a>& contact)
<a name="l00432"></a>00432 {
<a name="l00433"></a>00433 log_debug(<span class="stringliteral">"opening contact for link [*%p]"</span>, contact.object());
<a name="l00434"></a>00434
<a name="l00435"></a>00435
<a name="l00436"></a>00436 <a class="code" href="classdtnsim_1_1SimLink.html">SimLink</a>* sl = (<a class="code" href="classdtnsim_1_1SimLink.html">SimLink</a>*)contact->link()->cl_info();
<a name="l00437"></a>00437 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(sl);
<a name="l00438"></a>00438
<a name="l00439"></a>00439 <span class="keyword">const</span> <a class="code" href="structdtnsim_1_1ConnState.html" title="Helper struct to store the current connectivity settings between a pair (or set)...">ConnState</a>* cs = <a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#088bc32699af701d4db627669793482b" title="Singleton accessor.">Connectivity::instance</a>()->
<a name="l00440"></a>00440 lookup(<a class="code" href="classdtnsim_1_1Node.html#0092d41cdd29927ede0833a8164885e9" title="Return the current active node.">Node::active_node</a>(), sl->peer_node_);
<a name="l00441"></a>00441 <span class="keywordflow">if</span> (cs != NULL && cs-><a class="code" href="structdtnsim_1_1ConnState.html#bdc8e1b713b2b6692693c1ced1b6554c">open_</a>) {
<a name="l00442"></a>00442 log_debug(<span class="stringliteral">"opening contact"</span>);
<a name="l00443"></a>00443 <span class="keywordflow">if</span> (sl->params_.set_remote_eid_) {
<a name="l00444"></a>00444 contact->link()->set_remote_eid(sl->peer_node_->local_eid());
<a name="l00445"></a>00445 }
<a name="l00446"></a>00446 <a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#8dde819b0f05a1c9f32f132c458d58c6">update_connectivity</a>(<a class="code" href="classdtnsim_1_1Node.html#0092d41cdd29927ede0833a8164885e9" title="Return the current active node.">Node::active_node</a>(), sl->peer_node_, *cs);
<a name="l00447"></a>00447 BundleDaemon::post(<span class="keyword">new</span> <a class="code" href="classdtn_1_1ContactUpEvent.html" title="Event class for contact up events.">ContactUpEvent</a>(contact));
<a name="l00448"></a>00448
<a name="l00449"></a>00449 <span class="comment">// if there is a queued bundle on the link, start sending it</span>
<a name="l00450"></a>00450 <span class="keywordflow">if</span> (! contact->link()->queue()->empty()) {
<a name="l00451"></a>00451 sl->start_next_bundle();
<a name="l00452"></a>00452 }
<a name="l00453"></a>00453
<a name="l00454"></a>00454 } <span class="keywordflow">else</span> {
<a name="l00455"></a>00455 log_debug(<span class="stringliteral">"connectivity is down when trying to open contact"</span>);
<a name="l00456"></a>00456 BundleDaemon::post(
<a name="l00457"></a>00457 <span class="keyword">new</span> <a class="code" href="classdtn_1_1LinkStateChangeRequest.html" title="Request class for link state change requests that are sent to the daemon thread for...">LinkStateChangeRequest</a>(contact->link(),
<a name="l00458"></a>00458 Link::CLOSED,
<a name="l00459"></a>00459 ContactEvent::BROKEN));
<a name="l00460"></a>00460 }
<a name="l00461"></a>00461
<a name="l00462"></a>00462 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00463"></a>00463 }
<a name="l00464"></a>00464
<a name="l00465"></a>00465 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00466"></a>00466 <span class="keywordtype">void</span>
<a name="l00467"></a><a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#97961eca765e46809c8f797ef8bb0cbb">00467</a> <a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#97961eca765e46809c8f797ef8bb0cbb">SimConvergenceLayer::bundle_queued</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 class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a>& bundle)
<a name="l00468"></a>00468 {
<a name="l00469"></a>00469 (void)bundle;
<a name="l00470"></a>00470
<a name="l00471"></a>00471 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(!link->isdeleted());
<a name="l00472"></a>00472 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link->cl_info() != NULL);
<a name="l00473"></a>00473
<a name="l00474"></a>00474 log_debug(<span class="stringliteral">"bundle_queued *%p on link *%p"</span>, bundle.object(), link.object());
<a name="l00475"></a>00475
<a name="l00476"></a>00476 <a class="code" href="classdtnsim_1_1SimLink.html">SimLink</a>* sl = (<a class="code" href="classdtnsim_1_1SimLink.html">SimLink</a>*)link->cl_info();
<a name="l00477"></a>00477 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(sl);
<a name="l00478"></a>00478
<a name="l00479"></a>00479 <span class="keywordflow">if</span> (link->isopen() && (sl->pending_inflight_ == NULL)) {
<a name="l00480"></a>00480 sl->start_next_bundle();
<a name="l00481"></a>00481 }
<a name="l00482"></a>00482 }
<a name="l00483"></a>00483
<a name="l00484"></a>00484 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00485"></a>00485 <span class="keywordtype">void</span>
<a name="l00486"></a><a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#8dde819b0f05a1c9f32f132c458d58c6">00486</a> <a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#8dde819b0f05a1c9f32f132c458d58c6">SimConvergenceLayer::update_connectivity</a>(<a class="code" href="classdtnsim_1_1Node.html" title="Class representing a node in the simulator (i.e.">Node</a>* n1, <a class="code" href="classdtnsim_1_1Node.html" title="Class representing a node in the simulator (i.e.">Node</a>* n2, <span class="keyword">const</span> <a class="code" href="structdtnsim_1_1ConnState.html" title="Helper struct to store the current connectivity settings between a pair (or set)...">ConnState</a>& cs)
<a name="l00487"></a>00487 {
<a name="l00488"></a>00488 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(n1 != NULL);
<a name="l00489"></a>00489 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(n2 != NULL);
<a name="l00490"></a>00490
<a name="l00491"></a>00491 n1-><a class="code" href="classdtnsim_1_1Node.html#5f8ad70a765bbb1b8d8e8d07ef502036" title="Set the node as the &quot;active&quot; node in the simulation.">set_active</a>();
<a name="l00492"></a>00492
<a name="l00493"></a>00493 <a class="code" href="classdtn_1_1ContactManager.html" title="A contact manager class.">ContactManager</a>* cm = n1-><a class="code" href="classdtn_1_1BundleDaemon.html#22515a3eddd14032172f89d06d8d4e46" title="Accessor for the contact manager.">contactmgr</a>();;
<a name="l00494"></a>00494
<a name="l00495"></a>00495 oasys::ScopeLock l(cm-><a class="code" href="classdtn_1_1ContactManager.html#6edebce9cf6080f854039f8df593cfec" title="Accessor for the ContactManager internal lock.">lock</a>(), <span class="stringliteral">"SimConvergenceLayer::update_connectivity"</span>);
<a name="l00496"></a>00496 <span class="keyword">const</span> <a class="code" href="classdtn_1_1LinkSet.html" title="Set of links.">LinkSet</a>* links = cm-><a class="code" href="classdtn_1_1ContactManager.html#957c6cfac0575444e0a9a04a12708cf6" title="Return the list of links.">links</a>();
<a name="l00497"></a>00497
<a name="l00498"></a>00498 <span class="keywordflow">for</span> (LinkSet::iterator iter = links->begin();
<a name="l00499"></a>00499 iter != links->end();
<a name="l00500"></a>00500 ++iter)
<a name="l00501"></a>00501 {
<a name="l00502"></a>00502 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link = *iter;
<a name="l00503"></a>00503 <a class="code" href="classdtnsim_1_1SimLink.html">SimLink</a>* sl = (<a class="code" href="classdtnsim_1_1SimLink.html">SimLink</a>*)link->cl_info();
<a name="l00504"></a>00504 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(sl);
<a name="l00505"></a>00505
<a name="l00506"></a>00506 <span class="comment">// update the token bucket</span>
<a name="l00507"></a>00507 sl-><a class="code" href="classdtnsim_1_1SimLink.html#acc1169aba619333dd4425ded507762f" title="Token bucket to track the link rate.">tb_</a>.set_rate(cs.<a class="code" href="structdtnsim_1_1ConnState.html#baebb749124c990c0a3b957dfd6467ad">bw_</a>);
<a name="l00508"></a>00508
<a name="l00509"></a>00509 <span class="keywordflow">if</span> (sl-><a class="code" href="classdtnsim_1_1SimLink.html#c1b78c68f8d8f7dd512971fb59d76d1e" title="The receiving node.">peer_node_</a> != n2)
<a name="l00510"></a>00510 <span class="keywordflow">continue</span>;
<a name="l00511"></a>00511
<a name="l00512"></a>00512 log_debug(<span class="stringliteral">"update_connectivity: checking node %s link %s"</span>,
<a name="l00513"></a>00513 n1-><a class="code" href="classdtnsim_1_1Node.html#cac8ab04c1d7117e0dea6b3ad74f70de" title="Accessor for name.">name</a>(), link->name());
<a name="l00514"></a>00514
<a name="l00515"></a>00515 <span class="keywordflow">if</span> (cs.<a class="code" href="structdtnsim_1_1ConnState.html#bdc8e1b713b2b6692693c1ced1b6554c">open_</a> == <span class="keyword">false</span> && link->state() == Link::OPEN) {
<a name="l00516"></a>00516 log_debug(<span class="stringliteral">"update_connectivity: closing link %s"</span>, link->name());
<a name="l00517"></a>00517 n1-><a class="code" href="classdtnsim_1_1Node.html#0986c0f6d3eeec3fba7779a3d6d38513" title="Virtual post function, overridden in the simulator to use the modified event queue...">post_event</a>(
<a name="l00518"></a>00518 <span class="keyword">new</span> <a class="code" href="classdtn_1_1LinkStateChangeRequest.html" title="Request class for link state change requests that are sent to the daemon thread for...">LinkStateChangeRequest</a>(link, Link::CLOSED,
<a name="l00519"></a>00519 ContactEvent::BROKEN));
<a name="l00520"></a>00520 }
<a name="l00521"></a>00521 }
<a name="l00522"></a>00522 }
<a name="l00523"></a>00523
<a name="l00524"></a>00524
<a name="l00525"></a>00525 } <span class="comment">// namespace dtnsim</span>
</pre></div></div>
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