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<h1>ExternalConvergenceLayer.cc</h1><a href="ExternalConvergenceLayer_8cc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* Copyright 2004-2006 BBN Technologies Corporation</span>
<a name="l00002"></a>00002 <span class="comment"> *</span>
<a name="l00003"></a>00003 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License"); you may not</span>
<a name="l00004"></a>00004 <span class="comment"> * use this file except in compliance with the License. You may obtain a copy</span>
<a name="l00005"></a>00005 <span class="comment"> * of the License at http://www.apache.org/licenses/LICENSE-2.0</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span>
<a name="l00008"></a>00008 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</span>
<a name="l00009"></a>00009 <span class="comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> * See the License for the specific language governing permissions and</span>
<a name="l00012"></a>00012 <span class="comment"> * limitations under the License.</span>
<a name="l00013"></a>00013 <span class="comment"> */</span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor"># include <<a class="code" href="dtn-config_8h.html">dtn-config.h</a>></span>
<a name="l00017"></a>00017 <span class="preprocessor">#endif</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span>
<a name="l00019"></a>00019 <span class="preprocessor">#if defined(XERCES_C_ENABLED) && defined(EXTERNAL_CL_ENABLED)</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <stdio.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <sys/socket.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <netinet/in.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <arpa/inet.h></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include <oasys/io/NetUtils.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <oasys/io/FileUtils.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <oasys/thread/Lock.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <oasys/util/OptParser.h></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="ExternalConvergenceLayer_8h.html">ExternalConvergenceLayer.h</a>"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="ECLModule_8h.html">ECLModule.h</a>"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="BundleDaemon_8h.html">bundling/BundleDaemon.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>dtn {
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keywordtype">bool</span> ExternalConvergenceLayer::client_validation_ = <span class="keyword">true</span>;
<a name="l00040"></a>00040 std::string ExternalConvergenceLayer::schema_ = <span class="stringliteral">""</span>;
<a name="l00041"></a>00041 in_addr_t ExternalConvergenceLayer::server_addr_ = inet_addr(<span class="stringliteral">"127.0.0.1"</span>);
<a name="l00042"></a>00042 u_int16_t ExternalConvergenceLayer::server_port_ = 5070;
<a name="l00043"></a>00043 <span class="keywordtype">bool</span> ExternalConvergenceLayer::create_discovered_links_ = <span class="keyword">false</span>;
<a name="l00044"></a>00044 <span class="keywordtype">bool</span> ExternalConvergenceLayer::discovered_prev_hop_header_ = <span class="keyword">false</span>;
<a name="l00045"></a>00045 xml_schema::namespace_infomap ExternalConvergenceLayer::namespace_map_;
<a name="l00046"></a>00046
<a name="l00047"></a>00047 ExternalConvergenceLayer::ExternalConvergenceLayer() :
<a name="l00048"></a>00048 ConvergenceLayer(<span class="stringliteral">"ExternalConvergenceLayer"</span>, <span class="stringliteral">"extcl"</span>),
<a name="l00049"></a>00049 global_resource_lock_(<span class="stringliteral">"/dtn/cl/parts/global_resource_lock"</span>),
<a name="l00050"></a>00050 module_mutex_(<span class="stringliteral">"/dtn/cl/parts/module_mutex"</span>),
<a name="l00051"></a>00051 resource_mutex_(<span class="stringliteral">"/dtn/cl/parts/resource_mutex"</span>),
<a name="l00052"></a>00052 listener_(*this)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a>00057 ExternalConvergenceLayer::~ExternalConvergenceLayer()
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keywordtype">void</span>
<a name="l00063"></a>00063 ExternalConvergenceLayer::start()
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 log_info(<span class="stringliteral">"ExternalConvergenceLayer started"</span>);
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="comment">// Make sure that we were given a schema file to work with.</span>
<a name="l00068"></a>00068 <span class="keywordflow">if</span> ( schema_ == std::string(<span class="stringliteral">""</span>) ) {
<a name="l00069"></a>00069 log_err(<span class="stringliteral">"No XML schema file specified."</span>
<a name="l00070"></a>00070 <span class="stringliteral">" ExternalConvergenceLayer is disabled."</span>);
<a name="l00071"></a>00071 <span class="keywordflow">return</span>;
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a>00074 log_info( <span class="stringliteral">"Using XML schema file %s"</span>, schema_.c_str() );
<a name="l00075"></a>00075 <span class="keywordflow">if</span> (client_validation_)
<a name="l00076"></a>00076 namespace_map_[<span class="stringliteral">""</span>].schema = schema_.c_str();
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="comment">// Start the listener thread.</span>
<a name="l00079"></a>00079 listener_.start();
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordtype">bool</span>
<a name="l00083"></a>00083 ExternalConvergenceLayer::set_cla_parameters(<a class="code" href="namespacedtn.html#e203c4f515b9e88e9e3462100c257314">AttributeVector</a> &params)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 ECLModule* module = NULL;
<a name="l00086"></a>00086 KeyValueSequence param_sequence;
<a name="l00087"></a>00087 cla_set_params_request request;
<a name="l00088"></a>00088
<a name="l00089"></a>00089 AttributeVector::iterator iter;
<a name="l00090"></a>00090 <span class="keywordflow">for</span> (iter = params.begin(); iter != params.end(); iter++) {
<a name="l00091"></a>00091 <span class="keywordflow">if</span> (iter->name() == <span class="stringliteral">"create_discovered_links"</span>) {
<a name="l00092"></a>00092 request.create_discovered_links(iter->bool_val());
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iter->name() == <span class="stringliteral">"protocol"</span>) {
<a name="l00095"></a>00095 <span class="comment">// Get the protocol.</span>
<a name="l00096"></a>00096 module = get_module(iter->string_val());
<a name="l00097"></a>00097 <span class="keywordflow">if</span> (!module) {
<a name="l00098"></a>00098 log_err(
<a name="l00099"></a>00099 <span class="stringliteral">"No CLA for protocol '%s' exists; not setting CLA parameters"</span>,
<a name="l00100"></a>00100 iter->string_val().c_str() );
<a name="l00101"></a>00101 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104 <span class="keywordflow">else</span> {
<a name="l00105"></a>00105 param_sequence.push_back( clmessage::key_value_pair(iter->name(),
<a name="l00106"></a>00106 iter->string_val()) );
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordflow">if</span> (!module) {
<a name="l00111"></a>00111 log_err( <span class="stringliteral">"No protocol provided; not setting CLA parameters"</span> );
<a name="l00112"></a>00112 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114
<a name="l00115"></a>00115 request.key_value_pair(param_sequence);
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="comment">// Post the message.</span>
<a name="l00118"></a>00118 cl_message* <a class="code" href="serialsource_8c.html#dce261c6a0421cc69b6a6ff86f5be7dd">message</a> = <span class="keyword">new</span> cl_message();
<a name="l00119"></a>00119 message->cla_set_params_request(request);
<a name="l00120"></a>00120 POST_MESSAGE(module, cla_set_params_request, request);
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="keywordtype">bool</span>
<a name="l00126"></a>00126 ExternalConvergenceLayer::set_interface_defaults(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[],
<a name="l00127"></a>00127 <span class="keyword">const</span> <span class="keywordtype">char</span>** invalidp)
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 std::string proto_option;
<a name="l00130"></a>00130 oasys::OptParser parser;
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="comment">// Find the protocol in the arguments.</span>
<a name="l00133"></a>00133 parser.addopt(<span class="keyword">new</span> oasys::StringOpt(<span class="stringliteral">"protocol"</span>, &proto_option));
<a name="l00134"></a>00134 <span class="keywordtype">int</span> parse_result = parser.parse_and_shift(argc, argv, invalidp);
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keywordflow">if</span> (parse_result < 0) {
<a name="l00137"></a>00137 log_err(<span class="stringliteral">"Error parsing interface option '%s'"</span>, *invalidp);
<a name="l00138"></a>00138 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="keywordflow">if</span> (proto_option.size() == 0) {
<a name="l00142"></a>00142 log_err(<span class="stringliteral">"Error parsing interface options: no 'protocol' option given"</span>);
<a name="l00143"></a>00143 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="comment">// See if we have a module for this protocol.</span>
<a name="l00147"></a>00147 ECLModule* module = get_module(proto_option);
<a name="l00148"></a>00148 <span class="keywordflow">if</span> (!module) {
<a name="l00149"></a>00149 log_err( <span class="stringliteral">"No CLA for protocol '%s' exists; not setting interface defaults"</span>,
<a name="l00150"></a>00150 proto_option.c_str() );
<a name="l00151"></a>00151 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153
<a name="l00154"></a>00154 argc -= parse_result;
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="comment">// Turn the remaining arguments into a parameter sequence for XMLization.</span>
<a name="l00157"></a>00157 KeyValueSequence param_sequence;
<a name="l00158"></a>00158 build_param_sequence(argc, argv, param_sequence);
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="comment">// Create the request message.</span>
<a name="l00161"></a>00161 interface_set_defaults_request request;
<a name="l00162"></a>00162 request.key_value_pair(param_sequence);
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="comment">// Post the message.</span>
<a name="l00165"></a>00165 cl_message* message = <span class="keyword">new</span> cl_message();
<a name="l00166"></a>00166 message->interface_set_defaults_request(request);
<a name="l00167"></a>00167 POST_MESSAGE(module, interface_set_defaults_request, request);
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="keywordtype">bool</span>
<a name="l00173"></a>00173 ExternalConvergenceLayer::interface_up(Interface* iface, <span class="keywordtype">int</span> argc,
<a name="l00174"></a>00174 <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[])
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 std::string proto_option;
<a name="l00177"></a>00177 oasys::OptParser parser;
<a name="l00178"></a>00178 <span class="keyword">const</span> <span class="keywordtype">char</span>* invalidp;
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="comment">// Find the protocol for this interface in the arguments.</span>
<a name="l00181"></a>00181 parser.addopt(<span class="keyword">new</span> oasys::StringOpt(<span class="stringliteral">"protocol"</span>, &proto_option));
<a name="l00182"></a>00182 <span class="keywordtype">int</span> parse_result = parser.parse_and_shift(argc, argv, &invalidp);
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keywordflow">if</span> (parse_result < 0) {
<a name="l00185"></a>00185 log_err(<span class="stringliteral">"Error parsing interface option '%s'"</span>, invalidp);
<a name="l00186"></a>00186 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="keywordflow">if</span> (proto_option.size() == 0) {
<a name="l00190"></a>00190 log_err(<span class="stringliteral">"Error parsing interface options: no 'protocol' option given"</span>);
<a name="l00191"></a>00191 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193
<a name="l00194"></a>00194 argc -= parse_result;
<a name="l00195"></a>00195
<a name="l00196"></a>00196 log_debug( <span class="stringliteral">"Adding interface %s for protocol %s"</span>, iface->name().c_str(),
<a name="l00197"></a>00197 proto_option.c_str() );
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="comment">// Turn the remaining arguments into a parameter sequence for XMLization.</span>
<a name="l00200"></a>00200 KeyValueSequence param_sequence;
<a name="l00201"></a>00201 build_param_sequence(argc, argv, param_sequence);
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="comment">// Create the request message.</span>
<a name="l00204"></a>00204 interface_create_request request;
<a name="l00205"></a>00205 request.interface_name( iface->name() );
<a name="l00206"></a>00206 request.key_value_pair(param_sequence);
<a name="l00207"></a>00207
<a name="l00208"></a>00208 cl_message* message = <span class="keyword">new</span> cl_message();
<a name="l00209"></a>00209 message->interface_create_request(request);
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <span class="comment">// Find the owner module for this interface, if it exists.</span>
<a name="l00212"></a>00212 ECLModule* module = get_module(proto_option);
<a name="l00213"></a>00213 ECLInterfaceResource* resource =
<a name="l00214"></a>00214 <span class="keyword">new</span> ECLInterfaceResource(proto_option, message, iface);
<a name="l00215"></a>00215
<a name="l00216"></a>00216 iface->set_cl_info(resource);
<a name="l00217"></a>00217
<a name="l00218"></a>00218 oasys::ScopeLock l(&resource->lock_, <span class="stringliteral">"interface_up"</span>);
<a name="l00219"></a>00219
<a name="l00220"></a>00220 <span class="comment">// Send the interface to the module if one was found for this protocol...</span>
<a name="l00221"></a>00221 <span class="keywordflow">if</span> (module) {
<a name="l00222"></a>00222 module->take_resource(resource);
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <span class="comment">// otherwise, add it to the unclaimed resource list.</span>
<a name="l00226"></a>00226 <span class="keywordflow">else</span> {
<a name="l00227"></a>00227 log_warn(<span class="stringliteral">"No CLA for protocol '%s' exists. "</span>
<a name="l00228"></a>00228 <span class="stringliteral">"Deferring initialization of interface %s"</span>,
<a name="l00229"></a>00229 proto_option.c_str(), iface->name().c_str());
<a name="l00230"></a>00230
<a name="l00231"></a>00231 add_resource(resource);
<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="keywordtype">bool</span>
<a name="l00238"></a>00238 ExternalConvergenceLayer::interface_down(Interface* iface)
<a name="l00239"></a>00239 {
<a name="l00240"></a>00240 ECLInterfaceResource* resource =
<a name="l00241"></a>00241 <span class="keyword">dynamic_cast<</span>ECLInterfaceResource*<span class="keyword">></span>( iface->cl_info() );
<a name="l00242"></a>00242 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(resource);
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="comment">// Create and post the request message.</span>
<a name="l00245"></a>00245 interface_destroy_request request;
<a name="l00246"></a>00246 request.interface_name( iface->name() );
<a name="l00247"></a>00247 cl_message* message = <span class="keyword">new</span> cl_message();
<a name="l00248"></a>00248 message->interface_destroy_request(request);
<a name="l00249"></a>00249 POST_MESSAGE(resource->module_, interface_destroy_request, request);
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="comment">// Remove this interface from the module's list and delete the resource.</span>
<a name="l00252"></a>00252 resource->module_->remove_interface( iface->name() );
<a name="l00253"></a>00253 <span class="keyword">delete</span> resource;
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257
<a name="l00258"></a>00258 <span class="keywordtype">void</span>
<a name="l00259"></a>00259 ExternalConvergenceLayer::dump_interface(Interface* iface,
<a name="l00260"></a>00260 oasys::StringBuffer* <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>)
<a name="l00261"></a>00261 {
<a name="l00262"></a>00262 ECLInterfaceResource* resource =
<a name="l00263"></a>00263 <span class="keyword">dynamic_cast<</span>ECLInterfaceResource*<span class="keyword">></span>( iface->cl_info() );
<a name="l00264"></a>00264 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(resource);
<a name="l00265"></a>00265
<a name="l00266"></a>00266 buf->appendf( <span class="stringliteral">"\tprotocol: %s\n"</span>, resource->protocol_.c_str() );
<a name="l00267"></a>00267
<a name="l00268"></a>00268 <span class="keyword">const</span> KeyValueSequence& param_sequence = resource->create_message_->
<a name="l00269"></a>00269 interface_create_request().get().key_value_pair();
<a name="l00270"></a>00270
<a name="l00271"></a>00271 KeyValueSequence::const_iterator param_i;
<a name="l00272"></a>00272 <span class="keywordflow">for</span> (param_i = param_sequence.begin(); param_i != param_sequence.end();
<a name="l00273"></a>00273 ++param_i) {
<a name="l00274"></a>00274 buf->appendf( <span class="stringliteral">"\t%s=%s\n"</span>, param_i->name().c_str(),
<a name="l00275"></a>00275 param_i->value().c_str() );
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="keywordtype">bool</span>
<a name="l00280"></a>00280 ExternalConvergenceLayer::set_link_defaults(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[],
<a name="l00281"></a>00281 <span class="keyword">const</span> <span class="keywordtype">char</span>** invalidp)
<a name="l00282"></a>00282 {
<a name="l00283"></a>00283 <span class="keywordtype">bool</span> reactive_fragment;
<a name="l00284"></a>00284 <span class="keywordtype">bool</span> reactive_fragment_set = <span class="keyword">false</span>;
<a name="l00285"></a>00285 <span class="keywordtype">bool</span> is_usable;
<a name="l00286"></a>00286 <span class="keywordtype">bool</span> is_usable_set = <span class="keyword">false</span>;
<a name="l00287"></a>00287 std::string nexthop;
<a name="l00288"></a>00288 std::string proto_option;
<a name="l00289"></a>00289 oasys::OptParser parser;
<a name="l00290"></a>00290
<a name="l00291"></a>00291 <span class="comment">// Find the protocol and fixed arguments.</span>
<a name="l00292"></a>00292 parser.addopt(<span class="keyword">new</span> oasys::StringOpt(<span class="stringliteral">"protocol"</span>, &proto_option));
<a name="l00293"></a>00293 parser.addopt(<span class="keyword">new</span> oasys::BoolOpt(<span class="stringliteral">"is_usable"</span>, &is_usable, <span class="stringliteral">""</span>, &is_usable_set));
<a name="l00294"></a>00294 parser.addopt(<span class="keyword">new</span> oasys::BoolOpt(<span class="stringliteral">"reactive_fragment"</span>, &reactive_fragment, <span class="stringliteral">""</span>,
<a name="l00295"></a>00295 &reactive_fragment_set));
<a name="l00296"></a>00296 parser.addopt(<span class="keyword">new</span> oasys::StringOpt(<span class="stringliteral">"nexthop"</span>, &nexthop));
<a name="l00297"></a>00297 <span class="keywordtype">int</span> parse_result = parser.parse_and_shift(argc, argv, invalidp);
<a name="l00298"></a>00298
<a name="l00299"></a>00299 <span class="keywordflow">if</span> (parse_result < 0) {
<a name="l00300"></a>00300 log_err(<span class="stringliteral">"Error parsing link option '%s'"</span>, *invalidp);
<a name="l00301"></a>00301 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="comment">// Make sure that we got a protocol.</span>
<a name="l00305"></a>00305 <span class="keywordflow">if</span> (proto_option.size() == 0) {
<a name="l00306"></a>00306 log_err(<span class="stringliteral">"Error parsing link options: no 'protocol' option given"</span>);
<a name="l00307"></a>00307 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309
<a name="l00310"></a>00310 <span class="comment">// See if we have a module for this protocol.</span>
<a name="l00311"></a>00311 ECLModule* module = get_module(proto_option);
<a name="l00312"></a>00312 <span class="keywordflow">if</span> (!module) {
<a name="l00313"></a>00313 log_err( <span class="stringliteral">"No CLA for protocol '%s' exists; not setting link defaults"</span>,
<a name="l00314"></a>00314 proto_option.c_str() );
<a name="l00315"></a>00315 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317
<a name="l00318"></a>00318 argc -= parse_result;
<a name="l00319"></a>00319
<a name="l00320"></a>00320 <span class="comment">// Set the fixed parameters.</span>
<a name="l00321"></a>00321 link_config_parameters config_params;
<a name="l00322"></a>00322 <span class="keywordflow">if</span> (is_usable_set)
<a name="l00323"></a>00323 config_params.is_usable(is_usable);
<a name="l00324"></a>00324 <span class="keywordflow">if</span> (reactive_fragment_set)
<a name="l00325"></a>00325 config_params.reactive_fragment(reactive_fragment);
<a name="l00326"></a>00326 <span class="keywordflow">if</span> (nexthop.size() > 0)
<a name="l00327"></a>00327 config_params.nexthop(nexthop);
<a name="l00328"></a>00328
<a name="l00329"></a>00329 <span class="comment">// Turn the remaining arguments into a parameter sequence for XMLization.</span>
<a name="l00330"></a>00330 KeyValueSequence param_sequence;
<a name="l00331"></a>00331 build_param_sequence(argc, argv, param_sequence);
<a name="l00332"></a>00332 config_params.key_value_pair(param_sequence);
<a name="l00333"></a>00333
<a name="l00334"></a>00334 <span class="comment">// Create the request message.</span>
<a name="l00335"></a>00335 link_set_defaults_request request;
<a name="l00336"></a>00336 request.link_config_parameters(config_params);
<a name="l00337"></a>00337
<a name="l00338"></a>00338 <span class="comment">// Post the message.</span>
<a name="l00339"></a>00339 cl_message* message = <span class="keyword">new</span> cl_message();
<a name="l00340"></a>00340 message->link_set_defaults_request(request);
<a name="l00341"></a>00341 POST_MESSAGE(module, link_set_defaults_request, request);
<a name="l00342"></a>00342
<a name="l00343"></a>00343 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="keywordtype">bool</span>
<a name="l00347"></a>00347 ExternalConvergenceLayer::init_link(<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="l00348"></a>00348 <span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[])
<a name="l00349"></a>00349 {
<a name="l00350"></a>00350 <span class="keywordtype">bool</span> reactive_fragment;
<a name="l00351"></a>00351 <span class="keywordtype">bool</span> reactive_fragment_set = <span class="keyword">false</span>;
<a name="l00352"></a>00352 <span class="keywordtype">bool</span> is_usable;
<a name="l00353"></a>00353 <span class="keywordtype">bool</span> is_usable_set = <span class="keyword">false</span>;
<a name="l00354"></a>00354 std::string nexthop;
<a name="l00355"></a>00355 std::string proto_option;
<a name="l00356"></a>00356 oasys::OptParser parser;
<a name="l00357"></a>00357 <span class="keyword">const</span> <span class="keywordtype">char</span>* invalidp;
<a name="l00358"></a>00358
<a name="l00359"></a>00359 <span class="comment">// If these are true, this is probably a request coming from</span>
<a name="l00360"></a>00360 <span class="comment">// ContactManager::new_opportunistic_link(), which means the link already</span>
<a name="l00361"></a>00361 <span class="comment">// exists.</span>
<a name="l00362"></a>00362 <span class="keywordflow">if</span> (argc == 0 && argv == NULL)
<a name="l00363"></a>00363 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00364"></a>00364
<a name="l00365"></a>00365 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00366"></a>00366 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(!link->isdeleted());
<a name="l00367"></a>00367 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link->cl_info() == NULL);
<a name="l00368"></a>00368
<a name="l00369"></a>00369 <span class="comment">// Find the protocol and fixed arguments.</span>
<a name="l00370"></a>00370 parser.addopt(<span class="keyword">new</span> oasys::StringOpt(<span class="stringliteral">"protocol"</span>, &proto_option));
<a name="l00371"></a>00371 parser.addopt(<span class="keyword">new</span> oasys::BoolOpt(<span class="stringliteral">"is_usable"</span>, &is_usable, <span class="stringliteral">""</span>, &is_usable_set));
<a name="l00372"></a>00372 parser.addopt(<span class="keyword">new</span> oasys::BoolOpt(<span class="stringliteral">"reactive_fragment"</span>, &reactive_fragment, <span class="stringliteral">""</span>,
<a name="l00373"></a>00373 &reactive_fragment_set));
<a name="l00374"></a>00374 <span class="keywordtype">int</span> parse_result = parser.parse_and_shift(argc, argv, &invalidp);
<a name="l00375"></a>00375
<a name="l00376"></a>00376 <span class="keywordflow">if</span> (parse_result < 0) {
<a name="l00377"></a>00377 log_err(<span class="stringliteral">"Error parsing link option '%s'"</span>, invalidp);
<a name="l00378"></a>00378 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00379"></a>00379 }
<a name="l00380"></a>00380
<a name="l00381"></a>00381 <span class="keywordflow">if</span> (proto_option.size() == 0) {
<a name="l00382"></a>00382 log_err(<span class="stringliteral">"Error parsing link options: no 'protocol' option given"</span>);
<a name="l00383"></a>00383 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00384"></a>00384 }
<a name="l00385"></a>00385
<a name="l00386"></a>00386 log_debug( <span class="stringliteral">"Adding link %s for protocol %s"</span>, link->name(),
<a name="l00387"></a>00387 proto_option.c_str() );
<a name="l00388"></a>00388
<a name="l00389"></a>00389 ECLModule* module = get_module(proto_option);
<a name="l00390"></a>00390
<a name="l00391"></a>00391 <span class="keywordflow">if</span> ( module && module->link_exists( link->name() ) ) {
<a name="l00392"></a>00392 log_err( <span class="stringliteral">"Link %s already exists on CL %s"</span>, link->name(),
<a name="l00393"></a>00393 proto_option.c_str() );
<a name="l00394"></a>00394 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00395"></a>00395 }
<a name="l00396"></a>00396
<a name="l00397"></a>00397 argc -= parse_result;
<a name="l00398"></a>00398
<a name="l00399"></a>00399 <span class="comment">// Turn the remaining arguments into a parameter sequence for XMLization.</span>
<a name="l00400"></a>00400 KeyValueSequence param_sequence;
<a name="l00401"></a>00401 build_param_sequence(argc, argv, param_sequence);
<a name="l00402"></a>00402
<a name="l00403"></a>00403 <span class="comment">// Create the request message.</span>
<a name="l00404"></a>00404 link_create_request request;
<a name="l00405"></a>00405 request.link_name( link->name_str() );
<a name="l00406"></a>00406 request.type( XMLConvert::convert_link_type( link->type() ) );
<a name="l00407"></a>00407 request.peer_eid( link->remote_eid().str() );
<a name="l00408"></a>00408
<a name="l00409"></a>00409 <span class="comment">// Create the params struct.</span>
<a name="l00410"></a>00410 link_config_parameters config_params;
<a name="l00411"></a>00411 config_params.nexthop( link->nexthop() );
<a name="l00412"></a>00412
<a name="l00413"></a>00413 <span class="comment">// Set the fixed parameters.</span>
<a name="l00414"></a>00414 <span class="keywordflow">if</span> (is_usable_set)
<a name="l00415"></a>00415 config_params.is_usable(is_usable);
<a name="l00416"></a>00416 <span class="keywordflow">if</span> (reactive_fragment_set)
<a name="l00417"></a>00417 config_params.reactive_fragment(reactive_fragment);
<a name="l00418"></a>00418
<a name="l00419"></a>00419 <span class="comment">// Set the key-value parameters.</span>
<a name="l00420"></a>00420 config_params.key_value_pair(param_sequence);
<a name="l00421"></a>00421 request.link_config_parameters(config_params);
<a name="l00422"></a>00422
<a name="l00423"></a>00423 cl_message* message = <span class="keyword">new</span> cl_message();
<a name="l00424"></a>00424 message->link_create_request(request);
<a name="l00425"></a>00425
<a name="l00426"></a>00426 ECLLinkResource* resource =
<a name="l00427"></a>00427 <span class="keyword">new</span> ECLLinkResource(proto_option, message, link, <span class="keyword">false</span>);
<a name="l00428"></a>00428
<a name="l00429"></a>00429 oasys::ScopeLock l(&resource->lock_, <span class="stringliteral">"init_link"</span>);
<a name="l00430"></a>00430
<a name="l00431"></a>00431 link->set_cl_info(resource);
<a name="l00432"></a>00432 link->set_create_pending(<span class="keyword">true</span>);
<a name="l00433"></a>00433
<a name="l00434"></a>00434 <span class="keywordflow">if</span> (module) {
<a name="l00435"></a>00435 module->take_resource(resource);
<a name="l00436"></a>00436 }
<a name="l00437"></a>00437
<a name="l00438"></a>00438 <span class="keywordflow">else</span> {
<a name="l00439"></a>00439 log_warn( <span class="stringliteral">"No CL with protocol '%s' exists. "</span>
<a name="l00440"></a>00440 <span class="stringliteral">"Deferring initialization of link %s"</span>,
<a name="l00441"></a>00441 proto_option.c_str(), link->name() );
<a name="l00442"></a>00442 add_resource(resource);
<a name="l00443"></a>00443 }
<a name="l00444"></a>00444
<a name="l00445"></a>00445 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00446"></a>00446 }
<a name="l00447"></a>00447
<a name="l00448"></a>00448 <span class="keywordtype">void</span>
<a name="l00449"></a>00449 ExternalConvergenceLayer::delete_link(<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="l00450"></a>00450 {
<a name="l00451"></a>00451 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00452"></a>00452
<a name="l00453"></a>00453 log_debug(<span class="stringliteral">"ExternalConvergenceLayer::delete_link: "</span>
<a name="l00454"></a>00454 <span class="stringliteral">"deleting link %s"</span>, link->name());
<a name="l00455"></a>00455
<a name="l00456"></a>00456 oasys::ScopeLock link_lock(link->lock(),
<a name="l00457"></a>00457 <span class="stringliteral">"ExternalConvergenceLayer::delete_link"</span>);
<a name="l00458"></a>00458
<a name="l00459"></a>00459 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(!link->isdeleted());
<a name="l00460"></a>00460
<a name="l00461"></a>00461 ECLLinkResource* resource =
<a name="l00462"></a>00462 <span class="keyword">dynamic_cast<</span>ECLLinkResource*<span class="keyword">></span>( link->cl_info() );
<a name="l00463"></a>00463
<a name="l00464"></a>00464 <span class="comment">// This is the case if the link deletion originated in the CLA. In that</span>
<a name="l00465"></a>00465 <span class="comment">// case, ECLModule already deleted the resource and there is nothing else</span>
<a name="l00466"></a>00466 <span class="comment">// to do.</span>
<a name="l00467"></a>00467 <span class="comment">/*if (resource == NULL) {</span>
<a name="l00468"></a>00468 <span class="comment"> log_debug("ExternalConvergenceLayer::delete_link: link %s was deleted "</span>
<a name="l00469"></a>00469 <span class="comment"> "by the CLA", link->name());</span>
<a name="l00470"></a>00470 <span class="comment"> return;</span>
<a name="l00471"></a>00471 <span class="comment"> }*/</span>
<a name="l00472"></a>00472
<a name="l00473"></a>00473 oasys::ScopeLock lock(&resource->lock_, <span class="stringliteral">"delete_link"</span>);
<a name="l00474"></a>00474
<a name="l00475"></a>00475 <span class="comment">// Clear out this link's cl_info.</span>
<a name="l00476"></a>00476 link->set_cl_info(NULL);
<a name="l00477"></a>00477
<a name="l00478"></a>00478 <span class="comment">// If the link is unclaimed, just remove it from the resource list.</span>
<a name="l00479"></a>00479 <span class="keywordflow">if</span> (resource->module_ == NULL) {
<a name="l00480"></a>00480 lock.unlock();
<a name="l00481"></a>00481 <span class="keywordflow">if</span> (resource->should_delete_)
<a name="l00482"></a>00482 delete_resource(resource);
<a name="l00483"></a>00483
<a name="l00484"></a>00484 <span class="comment">// NOTE: The ContactManager posts a LinkDeletedEvent, so we do not</span>
<a name="l00485"></a>00485 <span class="comment">// need another one.</span>
<a name="l00486"></a>00486 <span class="keywordflow">return</span>;
<a name="l00487"></a>00487 }
<a name="l00488"></a>00488
<a name="l00489"></a>00489 <span class="comment">// Otherwise, send a message to the CLA to have it delete the link.</span>
<a name="l00490"></a>00490 link_delete_request request;
<a name="l00491"></a>00491 request.link_name( link->name_str() );
<a name="l00492"></a>00492 POST_MESSAGE(resource->module_, link_delete_request, request);
<a name="l00493"></a>00493 }
<a name="l00494"></a>00494
<a name="l00495"></a>00495 <span class="keywordtype">void</span>
<a name="l00496"></a>00496 ExternalConvergenceLayer::dump_link(<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="l00497"></a>00497 oasys::StringBuffer* buf)
<a name="l00498"></a>00498 {
<a name="l00499"></a>00499 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00500"></a>00500
<a name="l00501"></a>00501 oasys::ScopeLock link_lock(link->lock(),
<a name="l00502"></a>00502 <span class="stringliteral">"ExternalConvergenceLayer::reconfigure_link"</span>);
<a name="l00503"></a>00503
<a name="l00504"></a>00504 <span class="comment">// 7/13/07 - jward - this had been an assert, but it was happening</span>
<a name="l00505"></a>00505 <span class="comment">// frequently on the testbed. If the link is deleted, we will</span>
<a name="l00506"></a>00506 <span class="comment">// ignore the command.</span>
<a name="l00507"></a>00507 <span class="keywordflow">if</span> ( link->isdeleted() ) {
<a name="l00508"></a>00508 log_err( <span class="stringliteral">"Cannot dump deleted link %s"</span>, link->name() );
<a name="l00509"></a>00509 <span class="keywordflow">return</span>;
<a name="l00510"></a>00510 }
<a name="l00511"></a>00511
<a name="l00512"></a>00512 <span class="keywordflow">if</span> (link->cl_info() == NULL) {
<a name="l00513"></a>00513 log_err( <span class="stringliteral">"Cannot dump deleted link %s"</span>, link->name() );
<a name="l00514"></a>00514 <span class="keywordflow">return</span>;
<a name="l00515"></a>00515 }
<a name="l00516"></a>00516
<a name="l00517"></a>00517 ECLLinkResource* resource =
<a name="l00518"></a>00518 <span class="keyword">dynamic_cast<</span>ECLLinkResource*<span class="keyword">></span>( link->cl_info() );
<a name="l00519"></a>00519 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(resource);
<a name="l00520"></a>00520
<a name="l00521"></a>00521 buf->appendf( <span class="stringliteral">"\nprotocol: %s\n"</span>, resource->protocol_.c_str() );
<a name="l00522"></a>00522
<a name="l00523"></a>00523 <span class="keyword">const</span> KeyValueSequence& param_sequence = resource->create_message_->
<a name="l00524"></a>00524 link_create_request().get().link_config_parameters().key_value_pair();
<a name="l00525"></a>00525
<a name="l00526"></a>00526 KeyValueSequence::const_iterator param_i;
<a name="l00527"></a>00527 <span class="keywordflow">for</span> (param_i = param_sequence.begin(); param_i != param_sequence.end();
<a name="l00528"></a>00528 ++param_i) {
<a name="l00529"></a>00529 buf->appendf( <span class="stringliteral">"%s=%s\n"</span>, param_i->name().c_str(),
<a name="l00530"></a>00530 param_i->value().c_str() );
<a name="l00531"></a>00531 }
<a name="l00532"></a>00532 }
<a name="l00533"></a>00533
<a name="l00534"></a>00534 <span class="keywordtype">bool</span> ExternalConvergenceLayer::reconfigure_link(<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="keywordtype">int</span> argc,
<a name="l00535"></a>00535 <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[])
<a name="l00536"></a>00536 {
<a name="l00537"></a>00537 <span class="keywordtype">bool</span> reactive_fragment;
<a name="l00538"></a>00538 <span class="keywordtype">bool</span> reactive_fragment_set = <span class="keyword">false</span>;
<a name="l00539"></a>00539 <span class="keywordtype">bool</span> is_usable;
<a name="l00540"></a>00540 <span class="keywordtype">bool</span> is_usable_set = <span class="keyword">false</span>;
<a name="l00541"></a>00541 std::string nexthop;
<a name="l00542"></a>00542 oasys::OptParser parser;
<a name="l00543"></a>00543 <span class="keyword">const</span> <span class="keywordtype">char</span>* invalidp;
<a name="l00544"></a>00544
<a name="l00545"></a>00545 <span class="comment">// If these are true, this is probably a request coming from</span>
<a name="l00546"></a>00546 <span class="comment">// ContactManager::new_opportunistic_link(), which means the link already</span>
<a name="l00547"></a>00547 <span class="comment">// exists.</span>
<a name="l00548"></a>00548 <span class="keywordflow">if</span> (argc == 0 && argv == NULL)
<a name="l00549"></a>00549 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00550"></a>00550
<a name="l00551"></a>00551 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00552"></a>00552
<a name="l00553"></a>00553 oasys::ScopeLock link_lock(link->lock(),
<a name="l00554"></a>00554 <span class="stringliteral">"ExternalConvergenceLayer::reconfigure_link"</span>);
<a name="l00555"></a>00555
<a name="l00556"></a>00556 <span class="comment">// 7/13/07 - jward - this had been an assert, but it was happening</span>
<a name="l00557"></a>00557 <span class="comment">// frequently on the testbed. If the link is deleted, we will</span>
<a name="l00558"></a>00558 <span class="comment">// ignore the command.</span>
<a name="l00559"></a>00559 <span class="keywordflow">if</span> ( link->isdeleted() ) {
<a name="l00560"></a>00560 log_err( <span class="stringliteral">"Cannot reconfigure deleted link %s"</span>, link->name() );
<a name="l00561"></a>00561 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00562"></a>00562 }
<a name="l00563"></a>00563
<a name="l00564"></a>00564 <span class="keywordflow">if</span> (link->cl_info() == NULL) {
<a name="l00565"></a>00565 log_err( <span class="stringliteral">"Cannot reconfigure deleted link %s"</span>, link->name() );
<a name="l00566"></a>00566 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00567"></a>00567 }
<a name="l00568"></a>00568
<a name="l00569"></a>00569 <span class="comment">// Find the protocol and fixed arguments.</span>
<a name="l00570"></a>00570 parser.addopt(<span class="keyword">new</span> oasys::BoolOpt(<span class="stringliteral">"is_usable"</span>, &is_usable, <span class="stringliteral">""</span>, &is_usable_set));
<a name="l00571"></a>00571 parser.addopt(<span class="keyword">new</span> oasys::BoolOpt(<span class="stringliteral">"reactive_fragment"</span>, &reactive_fragment, <span class="stringliteral">""</span>,
<a name="l00572"></a>00572 &reactive_fragment_set));
<a name="l00573"></a>00573 parser.addopt(<span class="keyword">new</span> oasys::StringOpt(<span class="stringliteral">"nexthop"</span>, &nexthop));
<a name="l00574"></a>00574 <span class="keywordtype">int</span> parse_result = parser.parse_and_shift(argc, argv, &invalidp);
<a name="l00575"></a>00575
<a name="l00576"></a>00576 <span class="keywordflow">if</span> (parse_result < 0) {
<a name="l00577"></a>00577 log_err(<span class="stringliteral">"Error parsing link option '%s'"</span>, invalidp);
<a name="l00578"></a>00578 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00579"></a>00579 }
<a name="l00580"></a>00580
<a name="l00581"></a>00581 cl_message* old_create_message_;
<a name="l00582"></a>00582 cl_message* new_create_message_;
<a name="l00583"></a>00583 KeyValueSequence::iterator new_param_i;
<a name="l00584"></a>00584
<a name="l00585"></a>00585 ECLLinkResource* resource =
<a name="l00586"></a>00586 <span class="keyword">dynamic_cast<</span>ECLLinkResource*<span class="keyword">></span>( link->cl_info() );
<a name="l00587"></a>00587 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(resource);
<a name="l00588"></a>00588
<a name="l00589"></a>00589 KeyValueSequence param_sequence;
<a name="l00590"></a>00590 build_param_sequence(argc, argv, param_sequence);
<a name="l00591"></a>00591
<a name="l00592"></a>00592 oasys::ScopeLock l(&resource->lock_, <span class="stringliteral">"reconfigure_link"</span>);
<a name="l00593"></a>00593
<a name="l00594"></a>00594 <span class="comment">// Get a pointer to the old link-create message.</span>
<a name="l00595"></a>00595 old_create_message_ = resource->create_message_;
<a name="l00596"></a>00596
<a name="l00597"></a>00597 <span class="comment">// Create a new link-create request as a copy of the old one.</span>
<a name="l00598"></a>00598 link_create_request new_create_request =
<a name="l00599"></a>00599 old_create_message_->link_create_request().get();
<a name="l00600"></a>00600
<a name="l00601"></a>00601 <span class="comment">// Set the fixed parameters.</span>
<a name="l00602"></a>00602 <span class="keywordflow">if</span> (is_usable_set)
<a name="l00603"></a>00603 new_create_request.link_config_parameters().is_usable(is_usable);
<a name="l00604"></a>00604 <span class="keywordflow">if</span> (reactive_fragment_set)
<a name="l00605"></a>00605 new_create_request.link_config_parameters().reactive_fragment(
<a name="l00606"></a>00606 reactive_fragment);
<a name="l00607"></a>00607 <span class="keywordflow">if</span> (nexthop.size() > 0)
<a name="l00608"></a>00608 new_create_request.link_config_parameters().nexthop(nexthop);
<a name="l00609"></a>00609
<a name="l00610"></a>00610 <span class="comment">// Get a copy of the existing key-value parameters so we can update them.</span>
<a name="l00611"></a>00611 KeyValueSequence& existing_params =
<a name="l00612"></a>00612 new_create_request.link_config_parameters().key_value_pair();
<a name="l00613"></a>00613
<a name="l00614"></a>00614 <span class="comment">// Run through the new parameters, updating the values in existing_params.</span>
<a name="l00615"></a>00615 <span class="keywordflow">for</span> (new_param_i = param_sequence.begin();
<a name="l00616"></a>00616 new_param_i != param_sequence.end(); ++new_param_i) {
<a name="l00617"></a>00617 KeyValueSequence::iterator existing_param_i;
<a name="l00618"></a>00618
<a name="l00619"></a>00619 <span class="keywordflow">for</span> (existing_param_i = existing_params.begin();
<a name="l00620"></a>00620 existing_param_i != existing_params.end(); ++existing_param_i) {
<a name="l00621"></a>00621 <span class="keywordflow">if</span> ( new_param_i->name() == existing_param_i->name() ) {
<a name="l00622"></a>00622 *existing_param_i = *new_param_i;
<a name="l00623"></a>00623 <span class="keywordflow">break</span>;
<a name="l00624"></a>00624 } <span class="comment">// if</span>
<a name="l00625"></a>00625 } <span class="comment">// for</span>
<a name="l00626"></a>00626 } <span class="comment">// for</span>
<a name="l00627"></a>00627
<a name="l00628"></a>00628 <span class="comment">// Create the new link-create message for this link, then delete the old.</span>
<a name="l00629"></a>00629 new_create_message_ = <span class="keyword">new</span> cl_message();
<a name="l00630"></a>00630 new_create_message_->link_create_request(new_create_request);
<a name="l00631"></a>00631 resource->create_message_ = new_create_message_;
<a name="l00632"></a>00632 <span class="keyword">delete</span> old_create_message_;
<a name="l00633"></a>00633
<a name="l00634"></a>00634 <span class="keywordflow">if</span> (!resource->module_) {
<a name="l00635"></a>00635 log_warn( <span class="stringliteral">"Link %s is unclaimed; new settings will apply when it is claimed"</span>,
<a name="l00636"></a>00636 link->name() );
<a name="l00637"></a>00637 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00638"></a>00638 }
<a name="l00639"></a>00639
<a name="l00640"></a>00640 <span class="comment">// Create the link-reconfigure message.</span>
<a name="l00641"></a>00641 link_reconfigure_request request;
<a name="l00642"></a>00642 request.link_name( link->name_str() );
<a name="l00643"></a>00643
<a name="l00644"></a>00644 <span class="comment">// Create the params struct.</span>
<a name="l00645"></a>00645 link_config_parameters config_params;
<a name="l00646"></a>00646 config_params.nexthop( link->nexthop() );
<a name="l00647"></a>00647
<a name="l00648"></a>00648 <span class="comment">// Set the fixed parameters.</span>
<a name="l00649"></a>00649 <span class="keywordflow">if</span> (is_usable_set)
<a name="l00650"></a>00650 config_params.is_usable(is_usable);
<a name="l00651"></a>00651 <span class="keywordflow">if</span> (reactive_fragment_set)
<a name="l00652"></a>00652 config_params.reactive_fragment(reactive_fragment);
<a name="l00653"></a>00653
<a name="l00654"></a>00654 <span class="comment">// Set the key-value parameters.</span>
<a name="l00655"></a>00655 config_params.key_value_pair(param_sequence);
<a name="l00656"></a>00656
<a name="l00657"></a>00657 <span class="comment">// Create and send the message.</span>
<a name="l00658"></a>00658 request.link_config_parameters(config_params);
<a name="l00659"></a>00659 cl_message* message = <span class="keyword">new</span> cl_message();
<a name="l00660"></a>00660 message->link_reconfigure_request(request);
<a name="l00661"></a>00661 POST_MESSAGE(resource->module_, link_reconfigure_request, request);
<a name="l00662"></a>00662
<a name="l00663"></a>00663 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00664"></a>00664 }
<a name="l00665"></a>00665
<a name="l00666"></a>00666 <span class="keywordtype">void</span>
<a name="l00667"></a>00667 ExternalConvergenceLayer::reconfigure_link(<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="l00668"></a>00668 <a class="code" href="namespacedtn.html#e203c4f515b9e88e9e3462100c257314">AttributeVector</a>& params)
<a name="l00669"></a>00669 {
<a name="l00670"></a>00670 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00671"></a>00671
<a name="l00672"></a>00672 oasys::ScopeLock link_lock(link->lock(),
<a name="l00673"></a>00673 <span class="stringliteral">"ExternalConvergenceLayer::reconfigure_link"</span>);
<a name="l00674"></a>00674
<a name="l00675"></a>00675 <span class="comment">// 7/13/07 - jward - this had been an assert, but it was happening</span>
<a name="l00676"></a>00676 <span class="comment">// frequently on the testbed. If the link is deleted, we will</span>
<a name="l00677"></a>00677 <span class="comment">// ignore the command.</span>
<a name="l00678"></a>00678 <span class="keywordflow">if</span> ( link->isdeleted() ) {
<a name="l00679"></a>00679 log_err( <span class="stringliteral">"Cannot reconfigure deleted link %s"</span>, link->name() );
<a name="l00680"></a>00680 <span class="keywordflow">return</span>;
<a name="l00681"></a>00681 }
<a name="l00682"></a>00682
<a name="l00683"></a>00683 <span class="keywordflow">if</span> (link->cl_info() == NULL) {
<a name="l00684"></a>00684 log_err( <span class="stringliteral">"Cannot reconfigure deleted link %s"</span>, link->name() );
<a name="l00685"></a>00685 <span class="keywordflow">return</span>;
<a name="l00686"></a>00686 }
<a name="l00687"></a>00687
<a name="l00688"></a>00688 ECLLinkResource* resource =
<a name="l00689"></a>00689 <span class="keyword">dynamic_cast<</span>ECLLinkResource*<span class="keyword">></span>( link->cl_info() );
<a name="l00690"></a>00690 <span class="keywordflow">if</span> (!resource) {
<a name="l00691"></a>00691 log_err( <span class="stringliteral">"Cannot reconfigure link that does not exist"</span> );
<a name="l00692"></a>00692 <span class="keywordflow">return</span>;
<a name="l00693"></a>00693 }
<a name="l00694"></a>00694
<a name="l00695"></a>00695 link_reconfigure_request request;
<a name="l00696"></a>00696 request.link_name( link->name_str() );
<a name="l00697"></a>00697 link_config_parameters config_params;
<a name="l00698"></a>00698 KeyValueSequence param_sequence;
<a name="l00699"></a>00699
<a name="l00700"></a>00700 AttributeVector::iterator iter;
<a name="l00701"></a>00701 <span class="keywordflow">for</span> (iter = params.begin(); iter != params.end(); iter++) {
<a name="l00702"></a>00702 <span class="keywordflow">if</span> (iter->name() == <span class="stringliteral">"is_usable"</span>) {
<a name="l00703"></a>00703 config_params.is_usable( iter->bool_val() );
<a name="l00704"></a>00704 }
<a name="l00705"></a>00705 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iter->name() == <span class="stringliteral">"reactive_fragment"</span>) {
<a name="l00706"></a>00706 config_params.reactive_fragment( iter->bool_val() );
<a name="l00707"></a>00707 }
<a name="l00708"></a>00708 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iter->name() == <span class="stringliteral">"nexthop"</span>) {
<a name="l00709"></a>00709 config_params.nexthop( iter->string_val() );
<a name="l00710"></a>00710 }
<a name="l00711"></a>00711 <span class="keywordflow">else</span> {
<a name="l00712"></a>00712 param_sequence.push_back( clmessage::key_value_pair(iter->name(),
<a name="l00713"></a>00713 iter->string_val()) );
<a name="l00714"></a>00714 }
<a name="l00715"></a>00715 }
<a name="l00716"></a>00716 config_params.key_value_pair(param_sequence);
<a name="l00717"></a>00717 request.link_config_parameters(config_params);
<a name="l00718"></a>00718
<a name="l00719"></a>00719 POST_MESSAGE(resource->module_, link_reconfigure_request, request);
<a name="l00720"></a>00720 }
<a name="l00721"></a>00721
<a name="l00722"></a>00722 <span class="keywordtype">bool</span>
<a name="l00723"></a>00723 ExternalConvergenceLayer::open_contact(<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="l00724"></a>00724 {
<a name="l00725"></a>00725 oasys::ScopeLock grl(&global_resource_lock_, <span class="stringliteral">"open_contact"</span>);
<a name="l00726"></a>00726 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link = contact->link();
<a name="l00727"></a>00727
<a name="l00728"></a>00728 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00729"></a>00729
<a name="l00730"></a>00730 oasys::ScopeLock link_lock(link->lock(),
<a name="l00731"></a>00731 <span class="stringliteral">"ExternalConvergenceLayer::open_contact"</span>);
<a name="l00732"></a>00732
<a name="l00733"></a>00733 <span class="comment">// 7/13/07 - jward - this had been an assert, but it was happening</span>
<a name="l00734"></a>00734 <span class="comment">// frequently on the testbed. If the link is deleted, we will</span>
<a name="l00735"></a>00735 <span class="comment">// ignore the command.</span>
<a name="l00736"></a>00736 <span class="keywordflow">if</span> ( link->isdeleted() ) {
<a name="l00737"></a>00737 log_err( <span class="stringliteral">"Cannot open contact on deleted link %s"</span>, link->name() );
<a name="l00738"></a>00738 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00739"></a>00739 }
<a name="l00740"></a>00740
<a name="l00741"></a>00741 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link->cl_info() != NULL);
<a name="l00742"></a>00742
<a name="l00743"></a>00743 ECLLinkResource* resource =
<a name="l00744"></a>00744 <span class="keyword">dynamic_cast<</span>ECLLinkResource*<span class="keyword">></span>( link->cl_info() );
<a name="l00745"></a>00745 <span class="keywordflow">if</span> (!resource) {
<a name="l00746"></a>00746 log_err( <span class="stringliteral">"Cannot open contact on link that does not exist"</span> );
<a name="l00747"></a>00747 <a class="code" href="classdtn_1_1BundleDaemon.html#370a80f7dd9fd9297e76d7f830d737a8" title="Queues the event at the tail of the queue for processing by the daemon thread.">BundleDaemon::post</a>(
<a name="l00748"></a>00748 <span class="keyword">new</span> LinkStateChangeRequest(link, <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a32e48e0c707487f143c54dd1cd5185323" title="Bogus state that&#39;s never actually used in the Link state_ variable, but is used...">Link::CLOSED</a>,
<a name="l00749"></a>00749 <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f7745e7897b68d73fa05257424c8746ded" title="No additional info.">ContactEvent::NO_INFO</a>));
<a name="l00750"></a>00750 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00751"></a>00751 }
<a name="l00752"></a>00752
<a name="l00753"></a>00753 oasys::ScopeLock l(&resource->lock_, <span class="stringliteral">"open_contact"</span>);
<a name="l00754"></a>00754
<a name="l00755"></a>00755 <span class="keywordflow">if</span> (!resource->module_) {
<a name="l00756"></a>00756 log_err( <span class="stringliteral">"Cannot open contact on unclaimed link %s"</span>, link->name() );
<a name="l00757"></a>00757 <a class="code" href="classdtn_1_1BundleDaemon.html#370a80f7dd9fd9297e76d7f830d737a8" title="Queues the event at the tail of the queue for processing by the daemon thread.">BundleDaemon::post</a>(
<a name="l00758"></a>00758 <span class="keyword">new</span> LinkStateChangeRequest(link, <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a32e48e0c707487f143c54dd1cd5185323" title="Bogus state that&#39;s never actually used in the Link state_ variable, but is used...">Link::CLOSED</a>,
<a name="l00759"></a>00759 <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f7745e7897b68d73fa05257424c8746ded" title="No additional info.">ContactEvent::NO_INFO</a>));
<a name="l00760"></a>00760 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00761"></a>00761 }
<a name="l00762"></a>00762
<a name="l00763"></a>00763 <span class="keywordflow">if</span> (resource->known_state_ != <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a3ec7a744ed0ed07ccb2b255a0d76192c8" title="A convergence layer session has been established, and the link has capacity for a...">Link::OPEN</a>) {
<a name="l00764"></a>00764 resource->known_state_ = <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a3ec7a744ed0ed07ccb2b255a0d76192c8" title="A convergence layer session has been established, and the link has capacity for a...">Link::OPEN</a>;
<a name="l00765"></a>00765 link_open_request request;
<a name="l00766"></a>00766 request.link_name( link->name_str() );
<a name="l00767"></a>00767 POST_MESSAGE(resource->module_, link_open_request, request);
<a name="l00768"></a>00768 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00769"></a>00769 }
<a name="l00770"></a>00770
<a name="l00771"></a>00771 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00772"></a>00772 }
<a name="l00773"></a>00773
<a name="l00774"></a>00774 <span class="keywordtype">bool</span>
<a name="l00775"></a>00775 ExternalConvergenceLayer::close_contact(<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="l00776"></a>00776 {
<a name="l00777"></a>00777 oasys::ScopeLock grl(&global_resource_lock_, <span class="stringliteral">"open_contact"</span>);
<a name="l00778"></a>00778 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link = contact->link();
<a name="l00779"></a>00779
<a name="l00780"></a>00780 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00781"></a>00781
<a name="l00782"></a>00782 oasys::ScopeLock link_lock(link->lock(),
<a name="l00783"></a>00783 <span class="stringliteral">"ExternalConvergenceLayer::close_contact"</span>);
<a name="l00784"></a>00784
<a name="l00785"></a>00785 <span class="comment">// Ignore destroyed links</span>
<a name="l00786"></a>00786 <span class="keywordflow">if</span> (link->cl_info() == NULL) {
<a name="l00787"></a>00787 log_warn( <span class="stringliteral">"Ignoring close contact request for destroyed link %s"</span>,
<a name="l00788"></a>00788 link->name() );
<a name="l00789"></a>00789 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00790"></a>00790 }
<a name="l00791"></a>00791
<a name="l00792"></a>00792 ECLLinkResource* resource =
<a name="l00793"></a>00793 <span class="keyword">dynamic_cast<</span>ECLLinkResource*<span class="keyword">></span>( link->cl_info() );
<a name="l00794"></a>00794 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(resource);
<a name="l00795"></a>00795
<a name="l00796"></a>00796 oasys::ScopeLock l(&resource->lock_, <span class="stringliteral">"close_contact"</span>);
<a name="l00797"></a>00797
<a name="l00798"></a>00798 <span class="comment">// This indicates that the closing originated in the ECLModule.</span>
<a name="l00799"></a>00799 <span class="keywordflow">if</span> (resource->known_state_ == <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a32e48e0c707487f143c54dd1cd5185323" title="Bogus state that&#39;s never actually used in the Link state_ variable, but is used...">Link::CLOSED</a>)
<a name="l00800"></a>00800 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00801"></a>00801
<a name="l00802"></a>00802 <span class="keywordflow">if</span> (resource->module_ == NULL) {
<a name="l00803"></a>00803 log_err( <span class="stringliteral">"close_contact called for unclaimed link %s"</span>, link->name() );
<a name="l00804"></a>00804 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00805"></a>00805 }
<a name="l00806"></a>00806
<a name="l00807"></a>00807 resource->known_state_ = <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a32e48e0c707487f143c54dd1cd5185323" title="Bogus state that&#39;s never actually used in the Link state_ variable, but is used...">Link::CLOSED</a>;
<a name="l00808"></a>00808
<a name="l00809"></a>00809 <span class="comment">// Send a link close request to the CLA.</span>
<a name="l00810"></a>00810 link_close_request request;
<a name="l00811"></a>00811 request.link_name( link->name_str() );
<a name="l00812"></a>00812 POST_MESSAGE(resource->module_, link_close_request, request);
<a name="l00813"></a>00813
<a name="l00814"></a>00814 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00815"></a>00815 }
<a name="l00816"></a>00816
<a name="l00817"></a>00817 <span class="keywordtype">void</span>
<a name="l00818"></a>00818 ExternalConvergenceLayer::bundle_queued(<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="l00819"></a>00819 {
<a name="l00820"></a>00820 oasys::ScopeLock grl(&global_resource_lock_, <span class="stringliteral">"send_bundle"</span>);
<a name="l00821"></a>00821
<a name="l00822"></a>00822 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00823"></a>00823
<a name="l00824"></a>00824 oasys::ScopeLock link_lock(link->lock(),
<a name="l00825"></a>00825 <span class="stringliteral">"ExternalConvergenceLayer::send_bundle"</span>);
<a name="l00826"></a>00826
<a name="l00827"></a>00827 <span class="comment">// 7/13/07 - jward - this had been an assert, but it was happening</span>
<a name="l00828"></a>00828 <span class="comment">// frequently on the testbed. If the link is deleted, we will silently</span>
<a name="l00829"></a>00829 <span class="comment">// ignore the command.</span>
<a name="l00830"></a>00830 <span class="keywordflow">if</span> ( link->isdeleted() )
<a name="l00831"></a>00831 <span class="keywordflow">return</span>;
<a name="l00832"></a>00832
<a name="l00833"></a>00833 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link->cl_info() != NULL);
<a name="l00834"></a>00834
<a name="l00835"></a>00835 ECLLinkResource* resource =
<a name="l00836"></a>00836 <span class="keyword">dynamic_cast<</span>ECLLinkResource*<span class="keyword">></span>( link->cl_info() );
<a name="l00837"></a>00837 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(resource);
<a name="l00838"></a>00838
<a name="l00839"></a>00839 oasys::ScopeLock l(&resource->lock_, <span class="stringliteral">"send_bundle"</span>);
<a name="l00840"></a>00840
<a name="l00841"></a>00841 <span class="comment">// Make sure that this link is claimed by a module before trying to send</span>
<a name="l00842"></a>00842 <span class="comment">// something through it.</span>
<a name="l00843"></a>00843 <span class="keywordflow">if</span> (!resource->module_) {
<a name="l00844"></a>00844 log_err(<span class="stringliteral">"Cannot send bundle on nonexistent CL %s through link %s"</span>,
<a name="l00845"></a>00845 resource->protocol_.c_str(), link->name());
<a name="l00846"></a>00846 <span class="keywordflow">return</span>;
<a name="l00847"></a>00847 }
<a name="l00848"></a>00848
<a name="l00849"></a>00849 log_debug( <span class="stringliteral">"Sending bundle %d on link %s"</span>, bundle->bundleid(),
<a name="l00850"></a>00850 link->name() );
<a name="l00851"></a>00851
<a name="l00852"></a>00852 <span class="comment">// Figure out the relative and absolute path to the file.</span>
<a name="l00853"></a>00853 oasys::StringBuffer filename_buf(<span class="stringliteral">"bundle%d"</span>, bundle->bundleid());
<a name="l00854"></a>00854 std::string <a class="code" href="dtnrecv_8c.html#b49244970ed5ca30989c2dab2129de34">filename</a> = link->name_str() + <span class="stringliteral">"/"</span> +
<a name="l00855"></a>00855 std::string( filename_buf.c_str() );
<a name="l00856"></a>00856
<a name="l00857"></a>00857 <span class="comment">// Create the request message.</span>
<a name="l00858"></a>00858 bundle_send_request request;
<a name="l00859"></a>00859 request.location(filename);
<a name="l00860"></a>00860 request.link_name( link->name_str() );
<a name="l00861"></a>00861
<a name="l00862"></a>00862 <span class="comment">// Create and fill in the bundle attributes for this bundle.</span>
<a name="l00863"></a>00863 bundle_attributes bundle_attribs;
<a name="l00864"></a>00864 fill_bundle_attributes(bundle, bundle_attribs);
<a name="l00865"></a>00865 request.bundle_attributes(bundle_attribs);
<a name="l00866"></a>00866
<a name="l00867"></a>00867 <span class="comment">// Pass the bundle and the message on to the ECLModule.</span>
<a name="l00868"></a>00868 resource->add_outgoing_bundle(bundle.object());
<a name="l00869"></a>00869 POST_MESSAGE(resource->module_, bundle_send_request, request);
<a name="l00870"></a>00870
<a name="l00871"></a>00871 <span class="comment">// If this bundle causes the number of queued bytes to exceed the link's</span>
<a name="l00872"></a>00872 <span class="comment">// high-water mark, set the link's state to BUSY. </span>
<a name="l00873"></a>00873 <span class="comment">// if ( resource->high_water_mark_crossed(link->stats()->bytes_queued_) ) {</span>
<a name="l00874"></a>00874 <span class="comment">// log_info( "Link %s has crossed its high-water mark; setting it to BUSY",</span>
<a name="l00875"></a>00875 <span class="comment">// link->name() );</span>
<a name="l00876"></a>00876 <span class="comment">// link->set_state(Link::BUSY);</span>
<a name="l00877"></a>00877 <span class="comment">// BundleDaemon::post_at_head(new LinkBusyEvent(link));</span>
<a name="l00878"></a>00878 <span class="comment">// }</span>
<a name="l00879"></a>00879 }
<a name="l00880"></a>00880
<a name="l00881"></a>00881 <span class="keywordtype">void</span>
<a name="l00882"></a>00882 ExternalConvergenceLayer::cancel_bundle(<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="l00883"></a>00883 {
<a name="l00884"></a>00884 oasys::ScopeLock grl(&global_resource_lock_, <span class="stringliteral">"cancel_bundle"</span>);
<a name="l00885"></a>00885
<a name="l00886"></a>00886 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00887"></a>00887 oasys::ScopeLock link_lock(link->lock(),
<a name="l00888"></a>00888 <span class="stringliteral">"ExternalConvergenceLayer::cancel_bundle"</span>);
<a name="l00889"></a>00889
<a name="l00890"></a>00890 <span class="comment">// 7/13/07 - jward - this had been an assert, but it was happening</span>
<a name="l00891"></a>00891 <span class="comment">// frequently on the testbed. If the link is deleted, we will silently</span>
<a name="l00892"></a>00892 <span class="comment">// ignore the command.</span>
<a name="l00893"></a>00893 <span class="keywordflow">if</span> ( link->isdeleted() )
<a name="l00894"></a>00894 <span class="keywordflow">return</span>;
<a name="l00895"></a>00895
<a name="l00896"></a>00896 <span class="keywordflow">if</span> ( link->cl_info() == NULL)
<a name="l00897"></a>00897 <span class="keywordflow">return</span>;
<a name="l00898"></a>00898
<a name="l00899"></a>00899 ECLLinkResource* resource =
<a name="l00900"></a>00900 <span class="keyword">dynamic_cast<</span>ECLLinkResource*<span class="keyword">></span>( link->cl_info() );
<a name="l00901"></a>00901 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(resource);
<a name="l00902"></a>00902
<a name="l00903"></a>00903 oasys::ScopeLock l(&resource->lock_, <span class="stringliteral">"cancel_bundle"</span>);
<a name="l00904"></a>00904
<a name="l00905"></a>00905 <span class="comment">// Make sure that this link is claimed by a module.</span>
<a name="l00906"></a>00906 <span class="keywordflow">if</span> (!resource->module_) {
<a name="l00907"></a>00907 log_err(<span class="stringliteral">"Cannot cancel bundle on nonexistent CL %s through link %s"</span>,
<a name="l00908"></a>00908 resource->protocol_.c_str(), link->name());
<a name="l00909"></a>00909 <span class="keywordflow">return</span>;
<a name="l00910"></a>00910 }
<a name="l00911"></a>00911
<a name="l00912"></a>00912 log_info( <span class="stringliteral">"Cancelling bundle %d on link %s"</span>, bundle->bundleid(),
<a name="l00913"></a>00913 link->name() );
<a name="l00914"></a>00914
<a name="l00915"></a>00915 <span class="comment">// Create the request message.</span>
<a name="l00916"></a>00916 bundle_cancel_request request;
<a name="l00917"></a>00917 request.link_name( link->name_str() );
<a name="l00918"></a>00918
<a name="l00919"></a>00919 <span class="comment">// Create and fill in the bundle attributes for this bundle.</span>
<a name="l00920"></a>00920 bundle_attributes bundle_attribs;
<a name="l00921"></a>00921 fill_bundle_attributes(bundle, bundle_attribs);
<a name="l00922"></a>00922 request.bundle_attributes(bundle_attribs);
<a name="l00923"></a>00923
<a name="l00924"></a>00924 POST_MESSAGE(resource->module_, bundle_cancel_request, request);
<a name="l00925"></a>00925 <span class="keywordflow">return</span>;
<a name="l00926"></a>00926 }
<a name="l00927"></a>00927
<a name="l00928"></a>00928 <span class="keywordtype">bool</span>
<a name="l00929"></a>00929 ExternalConvergenceLayer::is_queued(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>& link, Bundle* bundle)
<a name="l00930"></a>00930 {
<a name="l00931"></a>00931 oasys::ScopeLock grl(&global_resource_lock_, <span class="stringliteral">"is_queued"</span>);
<a name="l00932"></a>00932
<a name="l00933"></a>00933 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00934"></a>00934 oasys::ScopeLock link_lock(link->lock(),
<a name="l00935"></a>00935 <span class="stringliteral">"ExternalConvergenceLayer::is_queued"</span>);
<a name="l00936"></a>00936 <span class="keywordflow">if</span> (link->isdeleted()) {
<a name="l00937"></a>00937 log_debug(<span class="stringliteral">"ExternalConvergenceLayer::is_queued: "</span>
<a name="l00938"></a>00938 <span class="stringliteral">"cannot check bundle queue on deleted link %s"</span>, link->name());
<a name="l00939"></a>00939 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00940"></a>00940 }
<a name="l00941"></a>00941
<a name="l00942"></a>00942 <span class="keywordflow">if</span> (link->cl_info() == NULL)
<a name="l00943"></a>00943 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00944"></a>00944
<a name="l00945"></a>00945 ECLLinkResource* resource =
<a name="l00946"></a>00946 <span class="keyword">dynamic_cast<</span>ECLLinkResource*<span class="keyword">></span>( link->cl_info() );
<a name="l00947"></a>00947 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(resource);
<a name="l00948"></a>00948
<a name="l00949"></a>00949 oasys::ScopeLock l(&resource->lock_, <span class="stringliteral">"is_queued"</span>);
<a name="l00950"></a>00950
<a name="l00951"></a>00951 <span class="comment">// Check with the resource to see if the bundle is queued on it.</span>
<a name="l00952"></a>00952 <span class="keywordflow">return</span> resource->has_outgoing_bundle(bundle);
<a name="l00953"></a>00953 }
<a name="l00954"></a>00954
<a name="l00955"></a>00955 <span class="keywordtype">void</span>
<a name="l00956"></a>00956 ExternalConvergenceLayer::is_eid_reachable(<span class="keyword">const</span> std::string& query_id,
<a name="l00957"></a>00957 Interface* iface,
<a name="l00958"></a>00958 <span class="keyword">const</span> std::string& <a class="code" href="dtnperf-server_8c.html#6d2d1c31529bee906473fcabaffff34f">endpoint</a>)
<a name="l00959"></a>00959 {
<a name="l00960"></a>00960 ECLInterfaceResource* resource =
<a name="l00961"></a>00961 <span class="keyword">dynamic_cast<</span>ECLInterfaceResource*<span class="keyword">></span>( iface->cl_info() );
<a name="l00962"></a>00962 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(resource);
<a name="l00963"></a>00963
<a name="l00964"></a>00964 oasys::ScopeLock l(&resource->lock_, <span class="stringliteral">"is_eid_reachable"</span>);
<a name="l00965"></a>00965
<a name="l00966"></a>00966 <span class="comment">// Make sure that this link is claimed by a module.</span>
<a name="l00967"></a>00967 <span class="keywordflow">if</span> (!resource->module_) {
<a name="l00968"></a>00968 log_err( <span class="stringliteral">"Cannot query unclaimed interface %s"</span>, iface->name().c_str() );
<a name="l00969"></a>00969 <a class="code" href="classdtn_1_1BundleDaemon.html#370a80f7dd9fd9297e76d7f830d737a8" title="Queues the event at the tail of the queue for processing by the daemon thread.">BundleDaemon::post</a>(<span class="keyword">new</span> EIDReachableReportEvent(query_id, <span class="keyword">false</span>));
<a name="l00970"></a>00970 <span class="keywordflow">return</span>;
<a name="l00971"></a>00971 }
<a name="l00972"></a>00972
<a name="l00973"></a>00973 query_eid_reachable query;
<a name="l00974"></a>00974 query.query_id(query_id);
<a name="l00975"></a>00975 query.interface_name( iface->name() );
<a name="l00976"></a>00976 query.peer_eid(endpoint);
<a name="l00977"></a>00977
<a name="l00978"></a>00978 POST_MESSAGE(resource->module_, query_eid_reachable, query);
<a name="l00979"></a>00979 }
<a name="l00980"></a>00980
<a name="l00981"></a>00981 <span class="keywordtype">void</span>
<a name="l00982"></a>00982 ExternalConvergenceLayer::query_link_attributes(<span class="keyword">const</span> std::string& query_id,
<a name="l00983"></a>00983 <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="l00984"></a>00984 <span class="keyword">const</span> <a class="code" href="namespacedtn.html#af9ae7e19d5214bb504a600ea79cb9e2">AttributeNameVector</a>& attributes)
<a name="l00985"></a>00985 {
<a name="l00986"></a>00986 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(link != NULL);
<a name="l00987"></a>00987
<a name="l00988"></a>00988 oasys::ScopeLock link_lock(link->lock(),
<a name="l00989"></a>00989 <span class="stringliteral">"ExternalConvergenceLayer::query_link_attributes"</span>);
<a name="l00990"></a>00990
<a name="l00991"></a>00991 <span class="keywordflow">if</span> (link->isdeleted()) {
<a name="l00992"></a>00992 log_debug(<span class="stringliteral">"ConvergenceLayer::query_link_attributes: "</span>
<a name="l00993"></a>00993 <span class="stringliteral">"link %s already deleted"</span>, link->name());
<a name="l00994"></a>00994 <span class="keywordflow">return</span>;
<a name="l00995"></a>00995 }
<a name="l00996"></a>00996
<a name="l00997"></a>00997 ECLLinkResource* resource =
<a name="l00998"></a>00998 <span class="keyword">dynamic_cast<</span>ECLLinkResource*<span class="keyword">></span>( link->cl_info() );
<a name="l00999"></a>00999 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(resource);
<a name="l01000"></a>01000
<a name="l01001"></a>01001 oasys::ScopeLock l(&resource->lock_, <span class="stringliteral">"query_link_attributes"</span>);
<a name="l01002"></a>01002 <span class="keywordflow">if</span> (resource->module_ == NULL) {
<a name="l01003"></a>01003 log_err( <span class="stringliteral">"query_link_attributes called for unclaimed link %s"</span>,
<a name="l01004"></a>01004 link->name() );
<a name="l01005"></a>01005 <a class="code" href="classdtn_1_1BundleDaemon.html#370a80f7dd9fd9297e76d7f830d737a8" title="Queues the event at the tail of the queue for processing by the daemon thread.">BundleDaemon::post</a>( <span class="keyword">new</span> LinkAttributesReportEvent( query_id,
<a name="l01006"></a>01006 <a class="code" href="namespacedtn.html#e203c4f515b9e88e9e3462100c257314">AttributeVector</a>() ) );
<a name="l01007"></a>01007
<a name="l01008"></a>01008 <span class="keywordflow">return</span>;
<a name="l01009"></a>01009 }
<a name="l01010"></a>01010
<a name="l01011"></a>01011 clmessage::query_link_attributes query;
<a name="l01012"></a>01012 query.query_id(query_id);
<a name="l01013"></a>01013 query.link_name( link->name_str() );
<a name="l01014"></a>01014
<a name="l01015"></a>01015 AttributeNameVector::const_iterator attrib_i;
<a name="l01016"></a>01016 <span class="keywordflow">for</span> (attrib_i = attributes.begin(); attrib_i != attributes.end(); ++attrib_i)
<a name="l01017"></a>01017 query.attribute_name().push_back( attribute_name( attrib_i->name() ) );
<a name="l01018"></a>01018
<a name="l01019"></a>01019 POST_MESSAGE(resource->module_, query_link_attributes, query);
<a name="l01020"></a>01020 }
<a name="l01021"></a>01021
<a name="l01022"></a>01022 <span class="keywordtype">void</span>
<a name="l01023"></a>01023 ExternalConvergenceLayer::query_iface_attributes(<span class="keyword">const</span> std::string& query_id,
<a name="l01024"></a>01024 Interface* iface,
<a name="l01025"></a>01025 <span class="keyword">const</span> <a class="code" href="namespacedtn.html#af9ae7e19d5214bb504a600ea79cb9e2">AttributeNameVector</a>& attributes)
<a name="l01026"></a>01026 {
<a name="l01027"></a>01027 ECLInterfaceResource* resource =
<a name="l01028"></a>01028 <span class="keyword">dynamic_cast<</span>ECLInterfaceResource*<span class="keyword">></span>( iface->cl_info() );
<a name="l01029"></a>01029 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(resource);
<a name="l01030"></a>01030
<a name="l01031"></a>01031 oasys::ScopeLock l(&resource->lock_, <span class="stringliteral">"query_iface_attributes"</span>);
<a name="l01032"></a>01032 <span class="keywordflow">if</span> (resource->module_ == NULL) {
<a name="l01033"></a>01033 log_err( <span class="stringliteral">"query_iface_attributes called for unclaimed interface %s"</span>,
<a name="l01034"></a>01034 iface->name().c_str() );
<a name="l01035"></a>01035 <a class="code" href="classdtn_1_1BundleDaemon.html#370a80f7dd9fd9297e76d7f830d737a8" title="Queues the event at the tail of the queue for processing by the daemon thread.">BundleDaemon::post</a>( <span class="keyword">new</span> IfaceAttributesReportEvent( query_id,
<a name="l01036"></a>01036 <a class="code" href="namespacedtn.html#e203c4f515b9e88e9e3462100c257314">AttributeVector</a>() ) );
<a name="l01037"></a>01037 <span class="keywordflow">return</span>;
<a name="l01038"></a>01038 }
<a name="l01039"></a>01039
<a name="l01040"></a>01040 query_interface_attributes query;
<a name="l01041"></a>01041 query.query_id(query_id);
<a name="l01042"></a>01042 query.interface_name( iface->name() );
<a name="l01043"></a>01043
<a name="l01044"></a>01044 AttributeNameVector::const_iterator attrib_i;
<a name="l01045"></a>01045 <span class="keywordflow">for</span> (attrib_i = attributes.begin(); attrib_i != attributes.end(); ++attrib_i)
<a name="l01046"></a>01046 query.attribute_name().push_back( attribute_name( attrib_i->name() ) );
<a name="l01047"></a>01047
<a name="l01048"></a>01048 POST_MESSAGE(resource->module_, query_interface_attributes, query);
<a name="l01049"></a>01049 }
<a name="l01050"></a>01050
<a name="l01051"></a>01051 <span class="keywordtype">void</span>
<a name="l01052"></a>01052 ExternalConvergenceLayer::query_cla_parameters(<span class="keyword">const</span> std::string& query_id,
<a name="l01053"></a>01053 <span class="keyword">const</span> <a class="code" href="namespacedtn.html#af9ae7e19d5214bb504a600ea79cb9e2">AttributeNameVector</a>& parameters)
<a name="l01054"></a>01054 {
<a name="l01055"></a>01055 clmessage::query_cla_parameters query;
<a name="l01056"></a>01056 std::string protocol;
<a name="l01057"></a>01057
<a name="l01058"></a>01058 AttributeNameVector::const_iterator param_i;
<a name="l01059"></a>01059 <span class="keywordflow">for</span> (param_i = parameters.begin();
<a name="l01060"></a>01060 param_i != parameters.end();
<a name="l01061"></a>01061 ++param_i) {
<a name="l01062"></a>01062 <span class="comment">// One of the "desired parameters" must be "protocol={something}"</span>
<a name="l01063"></a>01063 <span class="comment">// so we know which module to send the request to.</span>
<a name="l01064"></a>01064 <span class="keywordflow">if</span> (param_i->name().find(<span class="stringliteral">"protocol="</span>) != std::string::npos) {
<a name="l01065"></a>01065 protocol = param_i->name().substr(9);
<a name="l01066"></a>01066 }
<a name="l01067"></a>01067
<a name="l01068"></a>01068 <span class="comment">// Otherwise, pass this param name on to the ECLA.</span>
<a name="l01069"></a>01069 <span class="keywordflow">else</span> {
<a name="l01070"></a>01070 query.attribute_name().push_back(
<a name="l01071"></a>01071 attribute_name( param_i->name() ) );
<a name="l01072"></a>01072 } <span class="comment">// else</span>
<a name="l01073"></a>01073 } <span class="comment">// for</span>
<a name="l01074"></a>01074
<a name="l01075"></a>01075 <span class="comment">// Make sure we were given a protocol.</span>
<a name="l01076"></a>01076 <span class="keywordflow">if</span> (protocol.size() == 0) {
<a name="l01077"></a>01077 log_err(<span class="stringliteral">"No protocol given to query_cla_parameters; don't know where "</span>
<a name="l01078"></a>01078 <span class="stringliteral">"to send the query"</span>);
<a name="l01079"></a>01079 <a class="code" href="classdtn_1_1BundleDaemon.html#370a80f7dd9fd9297e76d7f830d737a8" title="Queues the event at the tail of the queue for processing by the daemon thread.">BundleDaemon::post</a>( <span class="keyword">new</span> CLAParametersReportEvent( query_id,
<a name="l01080"></a>01080 <a class="code" href="namespacedtn.html#e203c4f515b9e88e9e3462100c257314">AttributeVector</a>() ) );
<a name="l01081"></a>01081 <span class="keywordflow">return</span>;
<a name="l01082"></a>01082 }
<a name="l01083"></a>01083
<a name="l01084"></a>01084 <span class="comment">// Find the module and make sure it exists.</span>
<a name="l01085"></a>01085 ECLModule* module = get_module(protocol);
<a name="l01086"></a>01086 <span class="keywordflow">if</span> (!module) {
<a name="l01087"></a>01087 log_err(<span class="stringliteral">"No external CLA with protocol '%s' exists"</span>, protocol.c_str());
<a name="l01088"></a>01088 <a class="code" href="classdtn_1_1BundleDaemon.html#370a80f7dd9fd9297e76d7f830d737a8" title="Queues the event at the tail of the queue for processing by the daemon thread.">BundleDaemon::post</a>( <span class="keyword">new</span> CLAParametersReportEvent( query_id,
<a name="l01089"></a>01089 <a class="code" href="namespacedtn.html#e203c4f515b9e88e9e3462100c257314">AttributeVector</a>() ) );
<a name="l01090"></a>01090 <span class="keywordflow">return</span>;
<a name="l01091"></a>01091 }
<a name="l01092"></a>01092
<a name="l01093"></a>01093 <span class="comment">// Fill in the rest of the query values and post the message.</span>
<a name="l01094"></a>01094 query.query_id(query_id);
<a name="l01095"></a>01095 POST_MESSAGE(module, query_cla_parameters, query);
<a name="l01096"></a>01096 }
<a name="l01097"></a>01097
<a name="l01098"></a>01098 <span class="keywordtype">void</span>
<a name="l01099"></a>01099 ExternalConvergenceLayer::shutdown()
<a name="l01100"></a>01100 {
<a name="l01101"></a>01101 std::list<ECLModule*>::iterator list_i;
<a name="l01102"></a>01102 <span class="keywordflow">for</span> (list_i = module_list_.begin(); list_i != module_list_.end(); ++list_i) {
<a name="l01103"></a>01103 log_info(<span class="stringliteral">"Shutting down external CLA '%s'"</span>, (*list_i)->name().c_str());
<a name="l01104"></a>01104 (*list_i)->shutdown();
<a name="l01105"></a>01105 (*list_i)->join();
<a name="l01106"></a>01106 <span class="keyword">delete</span> *list_i;
<a name="l01107"></a>01107 }
<a name="l01108"></a>01108 }
<a name="l01109"></a>01109
<a name="l01110"></a>01110 <span class="keywordtype">void</span>
<a name="l01111"></a>01111 ExternalConvergenceLayer::add_module(ECLModule* module)
<a name="l01112"></a>01112 {
<a name="l01113"></a>01113 oasys::ScopeLock lock(&module_mutex_, <span class="stringliteral">"add_module"</span>);
<a name="l01114"></a>01114 module_list_.push_back(module);
<a name="l01115"></a>01115 }
<a name="l01116"></a>01116
<a name="l01117"></a>01117 <span class="keywordtype">void</span>
<a name="l01118"></a>01118 ExternalConvergenceLayer::remove_module(ECLModule* module)
<a name="l01119"></a>01119 {
<a name="l01120"></a>01120 oasys::ScopeLock lock(&module_mutex_, <span class="stringliteral">"remove_module"</span>);
<a name="l01121"></a>01121 std::list<ECLModule*>::iterator list_i = module_list_.begin();
<a name="l01122"></a>01122
<a name="l01123"></a>01123 <span class="keywordflow">while</span> ( list_i != module_list_.end() ) {
<a name="l01124"></a>01124 <span class="keywordflow">if</span> (*list_i == module) {
<a name="l01125"></a>01125 module_list_.erase(list_i);
<a name="l01126"></a>01126 <span class="keywordflow">return</span>;
<a name="l01127"></a>01127 }
<a name="l01128"></a>01128
<a name="l01129"></a>01129 ++list_i;
<a name="l01130"></a>01130 }
<a name="l01131"></a>01131 }
<a name="l01132"></a>01132
<a name="l01133"></a>01133 ECLModule*
<a name="l01134"></a>01134 ExternalConvergenceLayer::get_module(<span class="keyword">const</span> std::string& name)
<a name="l01135"></a>01135 {
<a name="l01136"></a>01136 std::string proto_option;
<a name="l01137"></a>01137 std::list<ECLModule*>::iterator list_i;
<a name="l01138"></a>01138
<a name="l01139"></a>01139 oasys::ScopeLock lock(&module_mutex_, <span class="stringliteral">"get_module"</span>);
<a name="l01140"></a>01140
<a name="l01141"></a>01141 <span class="keywordflow">for</span> (list_i = module_list_.begin(); list_i != module_list_.end();
<a name="l01142"></a>01142 ++list_i) {
<a name="l01143"></a>01143 <span class="keywordflow">if</span> ((*list_i)->name() == name)
<a name="l01144"></a>01144 <span class="keywordflow">return</span> *list_i;
<a name="l01145"></a>01145 }
<a name="l01146"></a>01146
<a name="l01147"></a>01147 <span class="keywordflow">return</span> NULL;
<a name="l01148"></a>01148 }
<a name="l01149"></a>01149
<a name="l01150"></a>01150 <span class="keywordtype">void</span>
<a name="l01151"></a>01151 ExternalConvergenceLayer::add_resource(ECLResource* resource)
<a name="l01152"></a>01152 {
<a name="l01153"></a>01153 oasys::ScopeLock lock(&resource_mutex_, <span class="stringliteral">"add_interface"</span>);
<a name="l01154"></a>01154 resource_list_.push_back(resource);
<a name="l01155"></a>01155 }
<a name="l01156"></a>01156
<a name="l01157"></a>01157 <span class="keywordtype">void</span>
<a name="l01158"></a>01158 ExternalConvergenceLayer::build_param_sequence(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[],
<a name="l01159"></a>01159 KeyValueSequence& param_sequence)
<a name="l01160"></a>01160 {
<a name="l01161"></a>01161 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> arg_i = 0; arg_i < argc; ++arg_i) {
<a name="l01162"></a>01162 std::string arg_string(argv[arg_i]);
<a name="l01163"></a>01163
<a name="l01164"></a>01164 <span class="comment">// Split the string in two around the '='.</span>
<a name="l01165"></a>01165 <span class="keywordtype">size_t</span> index = arg_string.find(<span class="charliteral">'='</span>);
<a name="l01166"></a>01166 <span class="keywordflow">if</span> (index == std::string::npos) {
<a name="l01167"></a>01167 log_warn(<span class="stringliteral">"Invalid parameter: %s"</span>, argv[arg_i]);
<a name="l01168"></a>01168 <span class="keywordflow">continue</span>;
<a name="l01169"></a>01169 }
<a name="l01170"></a>01170
<a name="l01171"></a>01171 <span class="comment">// Create a Parameter object from the two sides of the string.</span>
<a name="l01172"></a>01172 std::string lhs = arg_string.substr(0, index);
<a name="l01173"></a>01173 std::string rhs = arg_string.substr(index + 1);
<a name="l01174"></a>01174 param_sequence.push_back( clmessage::key_value_pair(lhs, rhs) );
<a name="l01175"></a>01175 }
<a name="l01176"></a>01176 }
<a name="l01177"></a>01177
<a name="l01178"></a>01178 <span class="keywordtype">void</span>
<a name="l01179"></a>01179 ExternalConvergenceLayer::fill_bundle_attributes(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a>& bundle,
<a name="l01180"></a>01180 bundle_attributes& attribs)
<a name="l01181"></a>01181 {
<a name="l01182"></a>01182 attribs.source_eid( bundle->source().str() );
<a name="l01183"></a>01183 attribs.is_fragment(bundle->is_fragment());
<a name="l01184"></a>01184
<a name="l01185"></a>01185 <span class="comment">// The timestamp in the XML element is two longs, rather than the</span>
<a name="l01186"></a>01186 <span class="comment">// struct timeval used in DTN2 or the SDNV specified in the BP.</span>
<a name="l01187"></a>01187 attribs.timestamp_seconds(bundle->creation_ts().seconds_);
<a name="l01188"></a>01188 attribs.timestamp_sequence(bundle->creation_ts().seqno_);
<a name="l01189"></a>01189
<a name="l01190"></a>01190 <span class="comment">// fragment_offset and fragment_length are required only if is_fragment</span>
<a name="l01191"></a>01191 <span class="comment">// is true.</span>
<a name="l01192"></a>01192 <span class="keywordflow">if</span> (bundle->is_fragment()) {
<a name="l01193"></a>01193 attribs.fragment_offset(bundle->frag_offset());
<a name="l01194"></a>01194 attribs.fragment_length(bundle->payload().length());
<a name="l01195"></a>01195 }
<a name="l01196"></a>01196 }
<a name="l01197"></a>01197
<a name="l01198"></a>01198 std::list<ECLResource*>
<a name="l01199"></a>01199 ExternalConvergenceLayer::take_resources(std::string name)
<a name="l01200"></a>01200 {
<a name="l01201"></a>01201 oasys::ScopeLock lock(&resource_mutex_, <span class="stringliteral">"take_resources"</span>);
<a name="l01202"></a>01202 std::list<ECLResource*> new_list;
<a name="l01203"></a>01203 std::list<ECLResource*>::iterator list_i = resource_list_.begin();
<a name="l01204"></a>01204
<a name="l01205"></a>01205 <span class="keywordflow">while</span> ( list_i != resource_list_.end() ) {
<a name="l01206"></a>01206 <span class="keywordflow">if</span> ( (*list_i)->protocol_ == name ) {
<a name="l01207"></a>01207 new_list.push_back(*list_i);
<a name="l01208"></a>01208
<a name="l01209"></a>01209 <span class="comment">// Erase this resource from the unclaimed list.</span>
<a name="l01210"></a>01210 std::list<ECLResource*>::iterator erase_i = list_i;
<a name="l01211"></a>01211 ++list_i;
<a name="l01212"></a>01212 resource_list_.erase(erase_i);
<a name="l01213"></a>01213 }
<a name="l01214"></a>01214
<a name="l01215"></a>01215 <span class="keywordflow">else</span> {
<a name="l01216"></a>01216 ++list_i;
<a name="l01217"></a>01217 }
<a name="l01218"></a>01218 }
<a name="l01219"></a>01219
<a name="l01220"></a>01220 <span class="keywordflow">return</span> new_list;
<a name="l01221"></a>01221 }
<a name="l01222"></a>01222
<a name="l01223"></a>01223 <span class="keywordtype">void</span>
<a name="l01224"></a>01224 ExternalConvergenceLayer::delete_resource(ECLResource* resource)
<a name="l01225"></a>01225 {
<a name="l01226"></a>01226 oasys::ScopeLock lock(&resource_mutex_, <span class="stringliteral">"delete_resource"</span>);
<a name="l01227"></a>01227 resource_list_.remove(resource);
<a name="l01228"></a>01228 <span class="keyword">delete</span> resource;
<a name="l01229"></a>01229 }
<a name="l01230"></a>01230
<a name="l01231"></a>01231 <span class="keywordtype">void</span>
<a name="l01232"></a>01232 ExternalConvergenceLayer::give_resources(std::list<ECLInterfaceResource*>& list)
<a name="l01233"></a>01233 {
<a name="l01234"></a>01234 oasys::ScopeLock l(&resource_mutex_, <span class="stringliteral">"give_resources(ECLInterfaceResource)"</span>);
<a name="l01235"></a>01235
<a name="l01236"></a>01236 <span class="keywordflow">for</span> ( std::list<ECLInterfaceResource*>::iterator list_i = list.begin();
<a name="l01237"></a>01237 list_i != list.end();
<a name="l01238"></a>01238 ++list_i) {
<a name="l01239"></a>01239 ECLInterfaceResource* resource = *list_i;
<a name="l01240"></a>01240
<a name="l01241"></a>01241 oasys::ScopeLock res_lock(&resource->lock_, <span class="stringliteral">"give_resources"</span>);
<a name="l01242"></a>01242 resource->module_ = NULL;
<a name="l01243"></a>01243 resource->should_delete_ = <span class="keyword">true</span>;
<a name="l01244"></a>01244
<a name="l01245"></a>01245 resource->module_ = NULL;
<a name="l01246"></a>01246 resource_list_.push_back(resource);
<a name="l01247"></a>01247 }
<a name="l01248"></a>01248
<a name="l01249"></a>01249 log_debug( <span class="stringliteral">"Got %zu ECLInterfaceResources"</span>, list.size() );
<a name="l01250"></a>01250 list.clear();
<a name="l01251"></a>01251 }
<a name="l01252"></a>01252
<a name="l01253"></a>01253 <span class="keywordtype">void</span>
<a name="l01254"></a>01254 ExternalConvergenceLayer::give_resources(LinkHashMap& list)
<a name="l01255"></a>01255 {
<a name="l01256"></a>01256 <span class="keywordtype">int</span> actual_taken = 0;
<a name="l01257"></a>01257 oasys::ScopeLock l(&resource_mutex_, <span class="stringliteral">"give_resources(ECLLinkResource)"</span>);
<a name="l01258"></a>01258
<a name="l01259"></a>01259 <span class="keywordflow">for</span> ( LinkHashMap::iterator list_i = list.begin();
<a name="l01260"></a>01260 list_i != list.end();
<a name="l01261"></a>01261 ++list_i) {
<a name="l01262"></a>01262 ECLLinkResource* resource = list_i->second;
<a name="l01263"></a>01263
<a name="l01264"></a>01264 oasys::ScopeLock res_lock(&resource->lock_, <span class="stringliteral">"give_resources"</span>);
<a name="l01265"></a>01265 resource->module_ = NULL;
<a name="l01266"></a>01266 resource->should_delete_ = <span class="keyword">true</span>;
<a name="l01267"></a>01267
<a name="l01268"></a>01268 <span class="comment">// Discovered links should be deleted when their associated CL</span>
<a name="l01269"></a>01269 <span class="comment">// goes away.</span>
<a name="l01270"></a>01270 <span class="keywordflow">if</span> (resource->is_discovered_)
<a name="l01271"></a>01271 <a class="code" href="classdtn_1_1BundleDaemon.html#370a80f7dd9fd9297e76d7f830d737a8" title="Queues the event at the tail of the queue for processing by the daemon thread.">BundleDaemon::post</a>( <span class="keyword">new</span> LinkDeleteRequest(resource->link_) );
<a name="l01272"></a>01272
<a name="l01273"></a>01273 <span class="keywordflow">else</span> {
<a name="l01274"></a>01274 resource_list_.push_back(resource);
<a name="l01275"></a>01275 ++actual_taken;
<a name="l01276"></a>01276 }
<a name="l01277"></a>01277 }
<a name="l01278"></a>01278
<a name="l01279"></a>01279 log_debug(<span class="stringliteral">"Got %d ECLLinkResources"</span>, actual_taken);
<a name="l01280"></a>01280 list.clear();
<a name="l01281"></a>01281 }
<a name="l01282"></a>01282
<a name="l01283"></a>01283 ExternalConvergenceLayer::Listener::Listener(ExternalConvergenceLayer& cl)
<a name="l01284"></a>01284 : TCPServerThread(<span class="stringliteral">"ExternalConvergenceLayer::Listener"</span>,
<a name="l01285"></a>01285 <span class="stringliteral">"/dtn/cl/Listener"</span>),
<a name="l01286"></a>01286 cl_(cl)
<a name="l01287"></a>01287 {
<a name="l01288"></a>01288 Thread::set_flag(Thread::DELETE_ON_EXIT);
<a name="l01289"></a>01289 set_logfd(<span class="keyword">false</span>);
<a name="l01290"></a>01290 }
<a name="l01291"></a>01291
<a name="l01292"></a>01292 ExternalConvergenceLayer::Listener::~Listener()
<a name="l01293"></a>01293 {
<a name="l01294"></a>01294
<a name="l01295"></a>01295 }
<a name="l01296"></a>01296
<a name="l01297"></a>01297 <span class="keywordtype">void</span>
<a name="l01298"></a>01298 ExternalConvergenceLayer::Listener::start()
<a name="l01299"></a>01299 {
<a name="l01300"></a>01300 log_info(<span class="stringliteral">"Listening for external CLAs on %s:%d"</span>, intoa(server_addr_),
<a name="l01301"></a>01301 server_port_);
<a name="l01302"></a>01302
<a name="l01303"></a>01303 <span class="keywordflow">if</span> (bind_listen_start(server_addr_, server_port_) < 0)
<a name="l01304"></a>01304 log_err(<span class="stringliteral">"Listener thread failed to start"</span>);
<a name="l01305"></a>01305 }
<a name="l01306"></a>01306
<a name="l01307"></a>01307 <span class="keywordtype">void</span>
<a name="l01308"></a>01308 ExternalConvergenceLayer::Listener::accepted(<span class="keywordtype">int</span> <a class="code" href="dtnperf-client_8c.html#6f8059414f0228f0256115e024eeed4b">fd</a>, in_addr_t addr,
<a name="l01309"></a>01309 u_int16_t port)
<a name="l01310"></a>01310 {
<a name="l01311"></a>01311 <span class="keywordflow">if</span> ( schema_ == std::string() ) {
<a name="l01312"></a>01312 log_err(<span class="stringliteral">"ECLA module is connecting before the XSD file is specified"</span>
<a name="l01313"></a>01313 <span class="stringliteral">"Closing the socket"</span>);
<a name="l01314"></a>01314 ::close(fd);
<a name="l01315"></a>01315 <span class="keywordflow">return</span>;
<a name="l01316"></a>01316 }
<a name="l01317"></a>01317
<a name="l01318"></a>01318 log_debug(<span class="stringliteral">"Accepted connection from a new CLA module"</span>);
<a name="l01319"></a>01319 ECLModule* module = <span class="keyword">new</span> ECLModule(fd, addr, port, cl_);
<a name="l01320"></a>01320
<a name="l01321"></a>01321 <span class="comment">// Add this module to our list and start its thread.</span>
<a name="l01322"></a>01322 cl_.add_module(module);
<a name="l01323"></a>01323 module->start();
<a name="l01324"></a>01324 }
<a name="l01325"></a>01325
<a name="l01326"></a>01326
<a name="l01327"></a>01327 ECLLinkResource::ECLLinkResource(std::string p, clmessage::cl_message* create,
<a name="l01328"></a>01328 <span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>& l, <span class="keywordtype">bool</span> disc) :
<a name="l01329"></a>01329 ECLResource(p, create),
<a name="l01330"></a>01330 link_(l.object(), <span class="stringliteral">"ECLLinkResource"</span>),
<a name="l01331"></a>01331 outgoing_bundles_(<span class="stringliteral">"outgoing_bundles"</span>)
<a name="l01332"></a>01332 {
<a name="l01333"></a>01333 known_state_ = <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a3fcb80aea04644bdc565b13fa371b2e1e" title="The link is closed and not able to be opened currently.">Link::UNAVAILABLE</a>;
<a name="l01334"></a>01334 is_discovered_ = disc;
<a name="l01335"></a>01335 high_water_mark_ = -1;
<a name="l01336"></a>01336 low_water_mark_ = 0;
<a name="l01337"></a>01337 }
<a name="l01338"></a>01338
<a name="l01339"></a>01339 <span class="keywordtype">void</span>
<a name="l01340"></a>01340 ECLLinkResource::add_outgoing_bundle(Bundle* bundle) {
<a name="l01341"></a>01341 outgoing_bundles_.push_back(bundle);
<a name="l01342"></a>01342 }
<a name="l01343"></a>01343
<a name="l01344"></a>01344 <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a>
<a name="l01345"></a>01345 ECLLinkResource::get_outgoing_bundle(clmessage::bundle_attributes bundle_attribs)
<a name="l01346"></a>01346 {
<a name="l01347"></a>01347 GbofId gbof_id;
<a name="l01348"></a>01348 gbof_id.source_ = EndpointID( bundle_attribs.source_eid() );
<a name="l01349"></a>01349 gbof_id.creation_ts_.seconds_ =
<a name="l01350"></a>01350 (u_int32_t)bundle_attribs.timestamp_seconds();
<a name="l01351"></a>01351 gbof_id.creation_ts_.seqno_ =
<a name="l01352"></a>01352 (u_int32_t)bundle_attribs.timestamp_sequence();
<a name="l01353"></a>01353 gbof_id.is_fragment_ = bundle_attribs.is_fragment();
<a name="l01354"></a>01354
<a name="l01355"></a>01355 <span class="keywordflow">if</span> ( bundle_attribs.fragment_length().present() )
<a name="l01356"></a>01356 gbof_id.frag_length_ = (u_int32_t)bundle_attribs.fragment_length().get();
<a name="l01357"></a>01357 <span class="keywordflow">else</span>
<a name="l01358"></a>01358 gbof_id.frag_length_ = 0;
<a name="l01359"></a>01359
<a name="l01360"></a>01360 <span class="keywordflow">if</span> ( bundle_attribs.fragment_length().present() )
<a name="l01361"></a>01361 gbof_id.frag_offset_ = (u_int32_t)bundle_attribs.fragment_offset().get();
<a name="l01362"></a>01362 <span class="keywordflow">else</span>
<a name="l01363"></a>01363 gbof_id.frag_offset_ = 0;
<a name="l01364"></a>01364
<a name="l01365"></a>01365 <span class="keywordflow">return</span> outgoing_bundles_.find(gbof_id);
<a name="l01366"></a>01366 }
<a name="l01367"></a>01367
<a name="l01368"></a>01368 <span class="keywordtype">bool</span>
<a name="l01369"></a>01369 ECLLinkResource::has_outgoing_bundle(Bundle* bundle)
<a name="l01370"></a>01370 {
<a name="l01371"></a>01371 <span class="keywordflow">return</span> outgoing_bundles_.contains(bundle);
<a name="l01372"></a>01372 }
<a name="l01373"></a>01373
<a name="l01374"></a>01374 <span class="keywordtype">bool</span>
<a name="l01375"></a>01375 ECLLinkResource::erase_outgoing_bundle(Bundle* bundle)
<a name="l01376"></a>01376 {
<a name="l01377"></a>01377 <span class="keywordflow">return</span> outgoing_bundles_.erase(bundle);
<a name="l01378"></a>01378 }
<a name="l01379"></a>01379
<a name="l01380"></a>01380 BundleList&
<a name="l01381"></a>01381 ECLLinkResource::get_bundle_set()
<a name="l01382"></a>01382 {
<a name="l01383"></a>01383 <span class="keywordflow">return</span> outgoing_bundles_;
<a name="l01384"></a>01384 }
<a name="l01385"></a>01385
<a name="l01386"></a>01386
<a name="l01387"></a>01387 clmessage::linkTypeType
<a name="l01388"></a>01388 XMLConvert::convert_link_type(<a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61e" title="Valid types for a link.">Link::link_type_t</a> type)
<a name="l01389"></a>01389 {
<a name="l01390"></a>01390 <span class="keywordflow">switch</span> (type) {
<a name="l01391"></a>01391 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61eb2b2a3f569e0a11e5277b2428253137d" title="The link is expected to be ALWAYS available, and any convergence layer connection...">Link::ALWAYSON</a>: <span class="keywordflow">return</span> linkTypeType(linkTypeType::alwayson);
<a name="l01392"></a>01392 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61eeacf2159ea9fd169ca07c9f9891309ec" title="The link is expected to be either always available, or can be made available easily...">Link::ONDEMAND</a>: <span class="keywordflow">return</span> linkTypeType(linkTypeType::ondemand);
<a name="l01393"></a>01393 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61e801d9aeea31cb25c67e25914a461db38" title="The link is only available at pre-determined times.">Link::SCHEDULED</a>: <span class="keywordflow">return</span> linkTypeType(linkTypeType::scheduled);
<a name="l01394"></a>01394 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61e692792332b57aa903a769cb33e3d366b" title="The link may or may not be available, based on uncontrollable factors.">Link::OPPORTUNISTIC</a>:
<a name="l01395"></a>01395 <span class="keywordflow">return</span> linkTypeType(linkTypeType::opportunistic);
<a name="l01396"></a>01396 <span class="keywordflow">default</span>: <span class="keywordflow">break</span>;
<a name="l01397"></a>01397 }
<a name="l01398"></a>01398
<a name="l01399"></a>01399 <span class="keywordflow">return</span> linkTypeType();
<a name="l01400"></a>01400 }
<a name="l01401"></a>01401
<a name="l01402"></a>01402 <a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61e" title="Valid types for a link.">Link::link_type_t</a>
<a name="l01403"></a>01403 XMLConvert::convert_link_type(clmessage::linkTypeType type)
<a name="l01404"></a>01404 {
<a name="l01405"></a>01405 <span class="keywordflow">switch</span> (type) {
<a name="l01406"></a>01406 <span class="keywordflow">case</span> linkTypeType::alwayson: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61eb2b2a3f569e0a11e5277b2428253137d" title="The link is expected to be ALWAYS available, and any convergence layer connection...">Link::ALWAYSON</a>;
<a name="l01407"></a>01407 <span class="keywordflow">case</span> linkTypeType::ondemand: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61eeacf2159ea9fd169ca07c9f9891309ec" title="The link is expected to be either always available, or can be made available easily...">Link::ONDEMAND</a>;
<a name="l01408"></a>01408 <span class="keywordflow">case</span> linkTypeType::scheduled: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61e801d9aeea31cb25c67e25914a461db38" title="The link is only available at pre-determined times.">Link::SCHEDULED</a>;
<a name="l01409"></a>01409 <span class="keywordflow">case</span> linkTypeType::opportunistic: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61e692792332b57aa903a769cb33e3d366b" title="The link may or may not be available, based on uncontrollable factors.">Link::OPPORTUNISTIC</a>;
<a name="l01410"></a>01410 <span class="keywordflow">default</span>: <span class="keywordflow">break</span>;
<a name="l01411"></a>01411 }
<a name="l01412"></a>01412
<a name="l01413"></a>01413 <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61e16f74d8b58f067027e718650590deef1">Link::LINK_INVALID</a>;
<a name="l01414"></a>01414 }
<a name="l01415"></a>01415
<a name="l01416"></a>01416 <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a3" title="The possible states for a link.">Link::state_t</a>
<a name="l01417"></a>01417 XMLConvert::convert_link_state(clmessage::linkStateType state)
<a name="l01418"></a>01418 {
<a name="l01419"></a>01419 <span class="keywordflow">switch</span> (state) {
<a name="l01420"></a>01420 <span class="keywordflow">case</span> linkStateType::unavailable: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a3fcb80aea04644bdc565b13fa371b2e1e" title="The link is closed and not able to be opened currently.">Link::UNAVAILABLE</a>;
<a name="l01421"></a>01421 <span class="keywordflow">case</span> linkStateType::available: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a36a3d11409342e7987b0ffe9c532d6e51" title="The link is closed but is able to be opened, either because it is an on demand link...">Link::AVAILABLE</a>;
<a name="l01422"></a>01422 <span class="keywordflow">case</span> linkStateType::opening: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a335e8afe56056fd46352661764b8982df" title="A convergence layer session is in the process of being established.">Link::OPENING</a>;
<a name="l01423"></a>01423 <span class="keywordflow">case</span> linkStateType::open: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a3ec7a744ed0ed07ccb2b255a0d76192c8" title="A convergence layer session has been established, and the link has capacity for a...">Link::OPEN</a>;
<a name="l01424"></a>01424 <span class="comment">// case linkStateType::busy: return Link::BUSY;</span>
<a name="l01425"></a>01425 <span class="keywordflow">case</span> linkStateType::closed: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a32e48e0c707487f143c54dd1cd5185323" title="Bogus state that&#39;s never actually used in the Link state_ variable, but is used...">Link::CLOSED</a>;
<a name="l01426"></a>01426 <span class="keywordflow">default</span>: <span class="keywordflow">break</span>;
<a name="l01427"></a>01427 }
<a name="l01428"></a>01428
<a name="l01429"></a>01429 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(<span class="keyword">false</span>);
<a name="l01430"></a>01430 <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a32e48e0c707487f143c54dd1cd5185323" title="Bogus state that&#39;s never actually used in the Link state_ variable, but is used...">Link::CLOSED</a>;
<a name="l01431"></a>01431 }
<a name="l01432"></a>01432
<a name="l01433"></a>01433 <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f7" title="Reason codes for contact state operations.">ContactEvent::reason_t</a>
<a name="l01434"></a>01434 XMLConvert::convert_link_reason(clmessage::linkReasonType reason)
<a name="l01435"></a>01435 {
<a name="l01436"></a>01436 <span class="keywordflow">switch</span> (reason) {
<a name="l01437"></a>01437 <span class="keywordflow">case</span> linkReasonType::no_info: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f7745e7897b68d73fa05257424c8746ded" title="No additional info.">ContactEvent::NO_INFO</a>;
<a name="l01438"></a>01438 <span class="keywordflow">case</span> linkReasonType::user: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f72e449a76cefd484940a3f3bfc07d188e" title="User action (i.e. console / config).">ContactEvent::USER</a>;
<a name="l01439"></a>01439 <span class="keywordflow">case</span> linkReasonType::broken: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f7f0c1475c056a0f72e11b5ba8466a27f7" title="Unexpected session interruption.">ContactEvent::BROKEN</a>;
<a name="l01440"></a>01440 <span class="keywordflow">case</span> linkReasonType::shutdown: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f72e018ae4b4ab30873b97e51e26e2baf2" title="Clean connection shutdown.">ContactEvent::SHUTDOWN</a>;
<a name="l01441"></a>01441 <span class="keywordflow">case</span> linkReasonType::reconnect: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f7fe3939848fd2dc31d31aec1c8c1f3c2a" title="Re-establish link after failure.">ContactEvent::RECONNECT</a>;
<a name="l01442"></a>01442 <span class="keywordflow">case</span> linkReasonType::idle: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f7cc4b8963a82f22c0d9b61c37e06e877e" title="Idle connection shut down by the CL.">ContactEvent::IDLE</a>;
<a name="l01443"></a>01443 <span class="keywordflow">case</span> linkReasonType::timeout: <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f7eb788e67896aff756d499766183ff6d8" title="Scheduled link ended duration.">ContactEvent::TIMEOUT</a>;
<a name="l01444"></a>01444 <span class="comment">// case linkReasonType::unblocked: return ContactEvent::UNBLOCKED;</span>
<a name="l01445"></a>01445 <span class="keywordflow">default</span>: <span class="keywordflow">break</span>;
<a name="l01446"></a>01446 }
<a name="l01447"></a>01447
<a name="l01448"></a>01448 <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f73a8badb37c6d8128d816779957448c61" title="Should not be used.">ContactEvent::INVALID</a>;
<a name="l01449"></a>01449 }
<a name="l01450"></a>01450
<a name="l01451"></a>01451 } <span class="comment">// namespace dtn</span>
<a name="l01452"></a>01452
<a name="l01453"></a>01453 <span class="preprocessor">#endif // XERCES_C_ENABLED && EXTERNAL_CL_ENABLED</span>
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Fri Jan 30 09:26:56 2009 for DTN Reference Implementation by
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