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<h1>ECLModule.cc</h1><a href="ECLModule_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 <span class="comment"> */</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor"># include <<a class="code" href="dtn-config_8h.html">dtn-config.h</a>></span>
<a name="l00018"></a>00018 <span class="preprocessor">#endif</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <typeinfo></span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#if defined(XERCES_C_ENABLED) && defined(EXTERNAL_CL_ENABLED)</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <oasys/io/NetUtils.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <oasys/io/FileUtils.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <oasys/io/TCPClient.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <oasys/io/IO.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <oasys/thread/Lock.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <oasys/util/OptParser.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <oasys/util/StringBuffer.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <oasys/serialize/XMLSerialize.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <oasys/thread/SpinLock.h></span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="preprocessor">#include <xercesc/framework/MemBufFormatTarget.hpp></span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="ECLModule_8h.html">ECLModule.h</a>"</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="BundleDaemon_8h.html">bundling/BundleDaemon.h</a>"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="BundleStore_8h.html">storage/BundleStore.h</a>"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="GlobalStore_8h.html">storage/GlobalStore.h</a>"</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include "<a class="code" href="ContactManager_8h.html">contacts/ContactManager.h</a>"</span>
<a name="l00041"></a>00041
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keyword">namespace </span>dtn {
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">const</span> <span class="keywordtype">size_t</span> ECLModule::READ_BUFFER_SIZE;
<a name="l00046"></a>00046 <span class="keyword">const</span> <span class="keywordtype">size_t</span> ECLModule::MAX_BUNDLE_IN_MEMORY;
<a name="l00047"></a>00047
<a name="l00048"></a>00048 ECLModule::ECLModule(<span class="keywordtype">int</span> <a class="code" href="dtnperf-client_8c.html#6f8059414f0228f0256115e024eeed4b">fd</a>,
<a name="l00049"></a>00049 in_addr_t remote_addr,
<a name="l00050"></a>00050 u_int16_t remote_port,
<a name="l00051"></a>00051 ExternalConvergenceLayer& cl) :
<a name="l00052"></a>00052 CLEventHandler(<span class="stringliteral">"ECLModule"</span>, <span class="stringliteral">"/dtn/cl/module"</span>),
<a name="l00053"></a>00053 Thread(<span class="stringliteral">"/dtn/cl/module"</span>, Thread::CREATE_JOINABLE),
<a name="l00054"></a>00054 cl_(cl),
<a name="l00055"></a>00055 iface_list_lock_(<span class="stringliteral">"/dtn/cl/parts/iface_list_lock"</span>),
<a name="l00056"></a>00056 socket_(fd, remote_addr, remote_port, logpath_),
<a name="l00057"></a>00057 message_queue_(<span class="stringliteral">"/dtn/cl/parts/module"</span>),
<a name="l00058"></a>00058 parser_( true, cl.schema_.c_str() )
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 name_ = <span class="stringliteral">"(unknown)"</span>;
<a name="l00061"></a>00061 was_shutdown_ = <span class="keyword">false</span>;
<a name="l00062"></a>00062 sem_init(&link_list_sem_, 0, 2);
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 ECLModule::~ECLModule()
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067 <span class="keywordflow">while</span> (message_queue_.size() > 0)
<a name="l00068"></a>00068 <span class="keyword">delete</span> message_queue_.pop_blocking();
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordtype">void</span>
<a name="l00072"></a>00072 ECLModule::run()
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 <span class="keyword">struct </span>pollfd pollfds[2];
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keyword">struct </span>pollfd* message_poll = &pollfds[0];
<a name="l00077"></a>00077 message_poll->fd = message_queue_.read_fd();
<a name="l00078"></a>00078 message_poll->events = POLLIN;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keyword">struct </span>pollfd* sock_poll = &pollfds[1];
<a name="l00081"></a>00081 sock_poll->fd = socket_.fd();
<a name="l00082"></a>00082 sock_poll->events = POLLIN;
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keywordflow">while</span> ( !should_stop() ) {
<a name="l00085"></a>00085 <span class="comment">// Poll for activity on either the event queue or the socket.</span>
<a name="l00086"></a>00086 <span class="keywordtype">int</span> ret = oasys::IO::poll_multiple(pollfds, 2, -1);
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordflow">if</span> (ret == oasys::IOINTR) {
<a name="l00089"></a>00089 log_err(<span class="stringliteral">"Module server interrupted"</span>);
<a name="l00090"></a>00090 set_should_stop();
<a name="l00091"></a>00091 <span class="keywordflow">continue</span>;
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keywordflow">if</span> (ret == oasys::IOERROR) {
<a name="l00095"></a>00095 log_err(<span class="stringliteral">"Module server error"</span>);
<a name="l00096"></a>00096 set_should_stop();
<a name="l00097"></a>00097 <span class="keywordflow">continue</span>;
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keywordflow">if</span> (message_poll->revents & POLLIN) {
<a name="l00101"></a>00101 cl_message* <a class="code" href="serialsource_8c.html#dce261c6a0421cc69b6a6ff86f5be7dd">message</a>;
<a name="l00102"></a>00102 <span class="keywordflow">if</span> ( message_queue_.try_pop(&message) ) {
<a name="l00103"></a>00103 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(message != NULL);
<a name="l00104"></a>00104 <span class="keywordtype">int</span> result;
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="comment">// We need to handle bundle-send messages as a special case,</span>
<a name="l00107"></a>00107 <span class="comment">// in order to get the bundle written to disk first.</span>
<a name="l00108"></a>00108 <span class="keywordflow">if</span> ( message->bundle_send_request().present() )
<a name="l00109"></a>00109 result = prepare_bundle_to_send(message);
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordflow">else</span>
<a name="l00112"></a>00112 result = send_message(message);
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keyword">delete</span> message;
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordflow">if</span> (result < 0) {
<a name="l00117"></a>00117 set_should_stop();
<a name="l00118"></a>00118 <span class="keywordflow">continue</span>;
<a name="l00119"></a>00119 } <span class="comment">// if</span>
<a name="l00120"></a>00120 } <span class="comment">// if</span>
<a name="l00121"></a>00121 } <span class="comment">// if</span>
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="comment">// Check for input on the socket and read whatever is available.</span>
<a name="l00124"></a>00124 <span class="keywordflow">if</span> (sock_poll->revents & POLLIN)
<a name="l00125"></a>00125 read_cycle();
<a name="l00126"></a>00126 } <span class="comment">// while</span>
<a name="l00127"></a>00127
<a name="l00128"></a>00128 log_info( <span class="stringliteral">"CL %s is shutting down"</span>, name_.c_str() );
<a name="l00129"></a>00129
<a name="l00130"></a>00130 oasys::ScopeLock lock(&cl_.global_resource_lock_, <span class="stringliteral">"ECLModule::run"</span>);
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="keywordflow">if</span> (!was_shutdown_) {
<a name="l00133"></a>00133 set_flag(Thread::DELETE_ON_EXIT);
<a name="l00134"></a>00134 cl_.remove_module(<span class="keyword">this</span>);
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a>00137 socket_.close();
<a name="l00138"></a>00138 cleanup();
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="keywordtype">void</span>
<a name="l00142"></a>00142 ECLModule::post_message(cl_message* message)
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144 message_queue_.push_back(message);
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146
<a name="l00147"></a>00147 ECLInterfaceResource*
<a name="l00148"></a>00148 ECLModule::remove_interface(<span class="keyword">const</span> std::string& name)
<a name="l00149"></a>00149 {
<a name="l00150"></a>00150 oasys::ScopeLock lock(&iface_list_lock_, <span class="stringliteral">"remove_interface"</span>);
<a name="l00151"></a>00151 std::list<ECLInterfaceResource*>::iterator iface_i;
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <span class="keywordflow">for</span> (iface_i = iface_list_.begin(); iface_i != iface_list_.end(); ++iface_i) {
<a name="l00154"></a>00154 <span class="keywordflow">if</span> ( (*iface_i)->interface_->name() == name) {
<a name="l00155"></a>00155 iface_list_.erase(iface_i);
<a name="l00156"></a>00156 <span class="keywordflow">return</span> *iface_i;
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="keywordflow">return</span> NULL;
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="keywordtype">void</span>
<a name="l00164"></a>00164 ECLModule::shutdown()
<a name="l00165"></a>00165 {
<a name="l00166"></a>00166 oasys::ScopeLock lock(&cl_.global_resource_lock_, <span class="stringliteral">"ECLModule::run"</span>);
<a name="l00167"></a>00167 log_debug(<span class="stringliteral">"ECLModule::shutdown() for CLA '%s'"</span>, name_.c_str());
<a name="l00168"></a>00168 was_shutdown_ = <span class="keyword">true</span>;
<a name="l00169"></a>00169 set_should_stop();
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <span class="comment">// This seems to be the only effective way to interrupt the thread.</span>
<a name="l00172"></a>00172 message_queue_.notify();
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <span class="keywordtype">void</span>
<a name="l00176"></a>00176 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> cla_add_request& message)
<a name="l00177"></a>00177 {
<a name="l00178"></a>00178 <span class="keywordflow">if</span> (cl_.get_module( message.name() ) != NULL) {
<a name="l00179"></a>00179 log_err(<span class="stringliteral">"A CLA with name '%s' already exists"</span>, message.name().c_str());
<a name="l00180"></a>00180 set_should_stop();
<a name="l00181"></a>00181 <span class="keywordflow">return</span>;
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183
<a name="l00184"></a>00184 name_ = message.name();
<a name="l00185"></a>00185 logpathf( <span class="stringliteral">"/dtn/cl/%s"</span>, name_.c_str() );
<a name="l00186"></a>00186 message_queue_.logpathf( <span class="stringliteral">"/dtn/cl/parts/%s/message_queue"</span>, name_.c_str() );
<a name="l00187"></a>00187 socket_.logpathf( <span class="stringliteral">"/dtn/cl/parts/%s/socket"</span>, name_.c_str() );
<a name="l00188"></a>00188
<a name="l00189"></a>00189 log_info( <span class="stringliteral">"New external CL: %s"</span>, name_.c_str() );
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="comment">// Figure out the bundle directory paths.</span>
<a name="l00192"></a>00192 BundleStore* bs = BundleStore::instance();
<a name="l00193"></a>00193 std::string payload_dir = bs->payload_dir();
<a name="l00194"></a>00194 oasys::FileUtils::abspath(&payload_dir);
<a name="l00195"></a>00195
<a name="l00196"></a>00196 oasys::StringBuffer in_dir( <span class="stringliteral">"%s/%s-in"</span>, payload_dir.c_str(),
<a name="l00197"></a>00197 name_.c_str() );
<a name="l00198"></a>00198 oasys::StringBuffer out_dir( <span class="stringliteral">"%s/%s-out"</span>, payload_dir.c_str(),
<a name="l00199"></a>00199 name_.c_str() );
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="comment">// Save the bundle directory paths.</span>
<a name="l00202"></a>00202 bundle_in_path_ = std::string( in_dir.c_str() );
<a name="l00203"></a>00203 bundle_out_path_ = std::string( out_dir.c_str() );
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="comment">// Delete the module's incoming and outgoing bundle directories just in</span>
<a name="l00206"></a>00206 <span class="comment">// case the already exist and contain stale bundle files.</span>
<a name="l00207"></a>00207 <span class="keywordflow">if</span> (oasys::FileUtils::rm_all_from_dir(bundle_in_path_.c_str(), <span class="keyword">true</span>) != 0) {
<a name="l00208"></a>00208 log_warn( <span class="stringliteral">"Unable to clean incoming bundle directory %s: %s"</span>,
<a name="l00209"></a>00209 bundle_in_path_.c_str(), strerror(errno) );
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211 ::rmdir( bundle_in_path_.c_str() );
<a name="l00212"></a>00212
<a name="l00213"></a>00213 <span class="keywordflow">if</span> (oasys::FileUtils::rm_all_from_dir(bundle_out_path_.c_str(), <span class="keyword">true</span>) != 0) {
<a name="l00214"></a>00214 log_warn( <span class="stringliteral">"Unable to clean outgoing bundle directory %s: %s"</span>,
<a name="l00215"></a>00215 bundle_out_path_.c_str(), strerror(errno) );
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217 ::rmdir( bundle_out_path_.c_str() );
<a name="l00218"></a>00218
<a name="l00219"></a>00219 <span class="comment">// Create the incoming bundle directory.</span>
<a name="l00220"></a>00220 <span class="keywordflow">if</span> (oasys::IO::mkdir(in_dir.c_str(), 0777) < 0) {
<a name="l00221"></a>00221 log_err( <span class="stringliteral">"Unable to create incoming bundle directory %s: %s"</span>,
<a name="l00222"></a>00222 in_dir.c_str(), strerror(errno) );
<a name="l00223"></a>00223
<a name="l00224"></a>00224 set_should_stop();
<a name="l00225"></a>00225 <span class="keywordflow">return</span>;
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="comment">// Create the outgoing bundle directory.</span>
<a name="l00229"></a>00229 <span class="keywordflow">if</span> (oasys::IO::mkdir(out_dir.c_str(), 0777) < 0) {
<a name="l00230"></a>00230 log_err( <span class="stringliteral">"Unable to create outgoing bundle directory %s: %s"</span>,
<a name="l00231"></a>00231 out_dir.c_str(), strerror(errno) );
<a name="l00232"></a>00232
<a name="l00233"></a>00233 set_should_stop();
<a name="l00234"></a>00234 <span class="keywordflow">return</span>;
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236
<a name="l00237"></a>00237 cla_set_params_request request;
<a name="l00238"></a>00238 request.create_discovered_links(
<a name="l00239"></a>00239 ExternalConvergenceLayer::create_discovered_links_);
<a name="l00240"></a>00240 <span class="comment">//request.create_discovered_links(true);</span>
<a name="l00241"></a>00241 request.local_eid( BundleDaemon::instance()->local_eid().str() );
<a name="l00242"></a>00242 request.bundle_pass_method(bundlePassMethodType::filesystem);
<a name="l00243"></a>00243 request.reactive_fragment_enabled(
<a name="l00244"></a>00244 BundleDaemon::params_.reactive_frag_enabled_);
<a name="l00245"></a>00245
<a name="l00246"></a>00246 KeyValueSequence params;
<a name="l00247"></a>00247 params.push_back( key_value_pair(<span class="stringliteral">"incoming_bundle_dir"</span>, in_dir.c_str() ) );
<a name="l00248"></a>00248 params.push_back( key_value_pair(<span class="stringliteral">"outgoing_bundle_dir"</span>, out_dir.c_str() ) );
<a name="l00249"></a>00249 request.key_value_pair(params);
<a name="l00250"></a>00250
<a name="l00251"></a>00251 POST_MESSAGE(<span class="keyword">this</span>, cla_set_params_request, request);
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <span class="comment">// take appropriate resources for this CLA module</span>
<a name="l00254"></a>00254 take_resources();
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keywordtype">void</span>
<a name="l00258"></a>00258 ECLModule::take_resource(ECLResource* resource)
<a name="l00259"></a>00259 {
<a name="l00260"></a>00260 oasys::ScopeLock lock(&resource->lock_, <span class="stringliteral">"ECLModule::take_resource()"</span>);
<a name="l00261"></a>00261 resource->module_ = <span class="keyword">this</span>;
<a name="l00262"></a>00262 resource->should_delete_ = <span class="keyword">false</span>;
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="comment">// Handle an Interface.</span>
<a name="l00265"></a>00265 <span class="keywordflow">if</span> ( <span class="keyword">typeid</span>(*resource) == <span class="keyword">typeid</span>(ECLInterfaceResource) ) {
<a name="l00266"></a>00266 ECLInterfaceResource* iface = (ECLInterfaceResource*)resource;
<a name="l00267"></a>00267
<a name="l00268"></a>00268 iface_list_lock_.lock(<span class="stringliteral">"take_resource"</span>);
<a name="l00269"></a>00269 iface_list_.push_back(iface);
<a name="l00270"></a>00270 iface_list_lock_.unlock();
<a name="l00271"></a>00271
<a name="l00272"></a>00272 log_info( <span class="stringliteral">"Module %s acquiring interface %s"</span>, name_.c_str(),
<a name="l00273"></a>00273 iface->interface_->name().c_str() );
<a name="l00274"></a>00274
<a name="l00275"></a>00275 cl_message* message = <span class="keyword">new</span> cl_message(*iface->create_message_);
<a name="l00276"></a>00276 post_message(message);
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="comment">// Handle a Link.</span>
<a name="l00280"></a>00280 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( <span class="keyword">typeid</span>(*resource) == <span class="keyword">typeid</span>(ECLLinkResource) ) {
<a name="l00281"></a>00281 ECLLinkResource* link = (ECLLinkResource*)resource;
<a name="l00282"></a>00282
<a name="l00283"></a>00283 sem_wait(&link_list_sem_);
<a name="l00284"></a>00284 sem_wait(&link_list_sem_);
<a name="l00285"></a>00285
<a name="l00286"></a>00286 link_list_.insert( LinkHashMap::value_type(link->link_->name_str(),
<a name="l00287"></a>00287 link) );
<a name="l00288"></a>00288
<a name="l00289"></a>00289 sem_post(&link_list_sem_);
<a name="l00290"></a>00290 sem_post(&link_list_sem_);
<a name="l00291"></a>00291
<a name="l00292"></a>00292 log_info( <span class="stringliteral">"Module %s acquiring link %s"</span>, name_.c_str(),
<a name="l00293"></a>00293 link->link_->name() );
<a name="l00294"></a>00294 cl_message* message = <span class="keyword">new</span> cl_message(*link->create_message_);
<a name="l00295"></a>00295 post_message(message);
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297
<a name="l00298"></a>00298 <span class="keywordflow">else</span> {
<a name="l00299"></a>00299 log_err( <span class="stringliteral">"Cannot take unknown resource type %s"</span>,
<a name="l00300"></a>00300 <span class="keyword">typeid</span>(*resource).name() );
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="keywordtype">void</span>
<a name="l00305"></a>00305 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> cla_delete_request& message)
<a name="l00306"></a>00306 {
<a name="l00307"></a>00307 (void)message;
<a name="l00308"></a>00308 set_should_stop();
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310
<a name="l00311"></a>00311 <span class="keywordtype">void</span>
<a name="l00312"></a>00312 ECLModule::take_resources()
<a name="l00313"></a>00313 {
<a name="l00314"></a>00314 log_info(<span class="stringliteral">"Module %s is acquiring appropriate CL resources"</span>, name_.c_str());
<a name="l00315"></a>00315 <span class="comment">// Find all existing resources that belong to this CLA.</span>
<a name="l00316"></a>00316 std::list<ECLResource*> resource_list_ = cl_.take_resources(name_);
<a name="l00317"></a>00317 std::list<ECLResource*>::iterator resource_i;
<a name="l00318"></a>00318
<a name="l00319"></a>00319 <span class="keywordflow">for</span> ( resource_i = resource_list_.begin();
<a name="l00320"></a>00320 resource_i != resource_list_.end();
<a name="l00321"></a>00321 ++resource_i ) {
<a name="l00322"></a>00322 ECLResource* resource = (*resource_i);
<a name="l00323"></a>00323 take_resource(resource);
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="keywordtype">void</span>
<a name="l00328"></a>00328 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> cla_params_set_event& message)
<a name="l00329"></a>00329 {
<a name="l00330"></a>00330 (void)message;
<a name="l00331"></a>00331 BundleDaemon::post( <span class="keyword">new</span> CLAParamsSetEvent(&cl_, name_) );
<a name="l00332"></a>00332 }
<a name="l00333"></a>00333
<a name="l00334"></a>00334 <span class="keywordtype">void</span>
<a name="l00335"></a>00335 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> interface_created_event& message)
<a name="l00336"></a>00336 {
<a name="l00337"></a>00337 ECLInterfaceResource* resource = get_interface( message.interface_name() );
<a name="l00338"></a>00338
<a name="l00339"></a>00339 <span class="keywordflow">if</span> (!resource) {
<a name="l00340"></a>00340 log_warn( <span class="stringliteral">"Got interface_created_event for unknown interface %s"</span>,
<a name="l00341"></a>00341 message.interface_name().c_str() );
<a name="l00342"></a>00342 <span class="keywordflow">return</span>;
<a name="l00343"></a>00343 }
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="keywordtype">void</span>
<a name="l00347"></a>00347 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> interface_reconfigured_event& message)
<a name="l00348"></a>00348 {
<a name="l00349"></a>00349 (void)message;
<a name="l00350"></a>00350 }
<a name="l00351"></a>00351
<a name="l00352"></a>00352 <span class="keywordtype">void</span>
<a name="l00353"></a>00353 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> eid_reachable_event& message)
<a name="l00354"></a>00354 {
<a name="l00355"></a>00355 ECLInterfaceResource* resource = get_interface( message.interface_name() );
<a name="l00356"></a>00356
<a name="l00357"></a>00357 <span class="keywordflow">if</span> (!resource) {
<a name="l00358"></a>00358 log_warn( <span class="stringliteral">"Got eid_reachable_event for unknown interface %s"</span>,
<a name="l00359"></a>00359 message.interface_name().c_str() );
<a name="l00360"></a>00360 <span class="keywordflow">return</span>;
<a name="l00361"></a>00361 }
<a name="l00362"></a>00362
<a name="l00363"></a>00363 BundleDaemon::post(
<a name="l00364"></a>00364 <span class="keyword">new</span> NewEIDReachableEvent( resource->interface_, message.peer_eid() ) );
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="keywordtype">void</span>
<a name="l00368"></a>00368 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> link_created_event& message)
<a name="l00369"></a>00369 {
<a name="l00370"></a>00370 ECLLinkResource* resource;
<a name="l00371"></a>00371 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link(<span class="stringliteral">"handle(link_created_event) temporary"</span>);
<a name="l00372"></a>00372
<a name="l00373"></a>00373 resource = get_link( message.link_name() );
<a name="l00374"></a>00374 <span class="keywordflow">if</span> (!resource) {
<a name="l00375"></a>00375 log_err( <span class="stringliteral">"Got link_created_event for unknown link %s"</span>,
<a name="l00376"></a>00376 message.link_name().c_str() );
<a name="l00377"></a>00377 <span class="keywordflow">return</span>;
<a name="l00378"></a>00378 }
<a name="l00379"></a>00379
<a name="l00380"></a>00380 link = resource->link_;
<a name="l00381"></a>00381 oasys::ScopeLock l(link->lock(), <span class="stringliteral">"handle(link_created_event)"</span>);
<a name="l00382"></a>00382 <span class="keywordflow">if</span> ( link->isdeleted() ) {
<a name="l00383"></a>00383 <span class="comment">// XXX there may be some steps to take to handle the link having been</span>
<a name="l00384"></a>00384 <span class="comment">// deleted, but probably they have already been done at deletion time</span>
<a name="l00385"></a>00385 log_info( <span class="stringliteral">"Link %s has already been deleted"</span>,
<a name="l00386"></a>00386 message.link_name().c_str());
<a name="l00387"></a>00387 <span class="keywordflow">return</span>;
<a name="l00388"></a>00388 }
<a name="l00389"></a>00389
<a name="l00390"></a>00390 <span class="comment">// Create the outgoing bundle directory for this link.</span>
<a name="l00391"></a>00391 std::string outgoing_dir = bundle_out_path_ + <span class="stringliteral">"/"</span> + message.link_name();
<a name="l00392"></a>00392 <span class="keywordflow">if</span> (oasys::IO::mkdir(outgoing_dir.c_str(), 0777) < 0) {
<a name="l00393"></a>00393 log_err( <span class="stringliteral">"Unable to create outgoing bundle directory %s: %s"</span>,
<a name="l00394"></a>00394 outgoing_dir.c_str(), strerror(errno) );
<a name="l00395"></a>00395
<a name="l00396"></a>00396 set_should_stop();
<a name="l00397"></a>00397 <span class="keywordflow">return</span>;
<a name="l00398"></a>00398 }
<a name="l00399"></a>00399
<a name="l00400"></a>00400 link->set_create_pending(<span class="keyword">false</span>);
<a name="l00401"></a>00401
<a name="l00402"></a>00402 <span class="keywordflow">if</span> (link->state() == Link::UNAVAILABLE)
<a name="l00403"></a>00403 link->set_state(Link::AVAILABLE);
<a name="l00404"></a>00404
<a name="l00405"></a>00405 <span class="comment">// Check for a high-water mark.</span>
<a name="l00406"></a>00406 <span class="keywordflow">if</span> ( message.link_attributes().high_water_mark().present() ) {
<a name="l00407"></a>00407 resource->set_high_water_mark(
<a name="l00408"></a>00408 message.link_attributes().high_water_mark().get() );
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410
<a name="l00411"></a>00411 <span class="comment">// Check for a low-water mark.</span>
<a name="l00412"></a>00412 <span class="keywordflow">if</span> ( message.link_attributes().low_water_mark().present() ) {
<a name="l00413"></a>00413 resource->set_low_water_mark(
<a name="l00414"></a>00414 message.link_attributes().low_water_mark().get() );
<a name="l00415"></a>00415 }
<a name="l00416"></a>00416
<a name="l00417"></a>00417 BundleDaemon::post(<span class="keyword">new</span> LinkCreatedEvent(link));
<a name="l00418"></a>00418
<a name="l00419"></a>00419 <span class="keywordflow">if</span> (link->type() == Link::OPPORTUNISTIC) {
<a name="l00420"></a>00420 BundleDaemon::post(
<a name="l00421"></a>00421 <span class="keyword">new</span> LinkAvailableEvent(link, ContactEvent::NO_INFO) );
<a name="l00422"></a>00422 }
<a name="l00423"></a>00423 }
<a name="l00424"></a>00424
<a name="l00425"></a>00425 <span class="keywordtype">void</span>
<a name="l00426"></a>00426 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> link_opened_event& message)
<a name="l00427"></a>00427 {
<a name="l00428"></a>00428 ECLLinkResource* resource = get_link( message.link_name() );
<a name="l00429"></a>00429
<a name="l00430"></a>00430 <span class="comment">// If no link can be found by that name, it may have just been created.</span>
<a name="l00431"></a>00431 <span class="comment">// We will wait for an event to get completely through the event queue</span>
<a name="l00432"></a>00432 <span class="comment">// before giving up on calling the link open.</span>
<a name="l00433"></a>00433 <span class="keywordflow">if</span> (!resource) {
<a name="l00434"></a>00434 oasys::Notifier* notifier = <span class="keyword">new</span> oasys::Notifier(<span class="stringliteral">"/dtn/cl/external"</span>);
<a name="l00435"></a>00435 BundleDaemon::post_and_wait(<span class="keyword">new</span> StatusRequest(), notifier);
<a name="l00436"></a>00436 <span class="keyword">delete</span> notifier;
<a name="l00437"></a>00437 resource = get_link( message.link_name() );
<a name="l00438"></a>00438 <span class="keywordflow">if</span> (!resource) {
<a name="l00439"></a>00439 log_err( <span class="stringliteral">"Got link_opened_event for unknown link %s"</span>,
<a name="l00440"></a>00440 message.link_name().c_str() );
<a name="l00441"></a>00441 <span class="keywordflow">return</span>;
<a name="l00442"></a>00442 }
<a name="l00443"></a>00443 }
<a name="l00444"></a>00444
<a name="l00445"></a>00445 oasys::ScopeLock l(resource->link_->lock(), <span class="stringliteral">"ECLModule::link_opened_evet"</span>);
<a name="l00446"></a>00446
<a name="l00447"></a>00447 <a class="code" href="namespacedtn.html#5f869544c85c75b5a85a14d6e90d7ff7" title="Typedef for a reference on a contact.">ContactRef</a> contact = resource->link_->contact();
<a name="l00448"></a>00448 <span class="keywordflow">if</span> (contact == NULL) {
<a name="l00449"></a>00449 contact = <span class="keyword">new</span> Contact(resource->link_);
<a name="l00450"></a>00450 resource->link_->set_contact( contact.object() );
<a name="l00451"></a>00451 }
<a name="l00452"></a>00452
<a name="l00453"></a>00453 l.unlock();
<a name="l00454"></a>00454
<a name="l00455"></a>00455 update_contact_attributes(message.contact_attributes(), contact);
<a name="l00456"></a>00456 BundleDaemon::post( <span class="keyword">new</span> ContactUpEvent(contact) );
<a name="l00457"></a>00457 }
<a name="l00458"></a>00458
<a name="l00459"></a>00459 <span class="keywordtype">void</span>
<a name="l00460"></a>00460 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> link_closed_event& message)
<a name="l00461"></a>00461 {
<a name="l00462"></a>00462 ECLLinkResource* resource = get_link( message.link_name() );
<a name="l00463"></a>00463
<a name="l00464"></a>00464 <span class="keywordflow">if</span> (!resource) {
<a name="l00465"></a>00465 log_err( <span class="stringliteral">"Got link_closed_event for unknown link %s"</span>,
<a name="l00466"></a>00466 message.link_name().c_str() );
<a name="l00467"></a>00467 <span class="keywordflow">return</span>;
<a name="l00468"></a>00468 }
<a name="l00469"></a>00469
<a name="l00470"></a>00470 resource->known_state_ = Link::CLOSED;
<a name="l00471"></a>00471
<a name="l00472"></a>00472 <span class="keywordflow">if</span> (resource->link_->contact() != NULL) {
<a name="l00473"></a>00473 update_contact_attributes( message.contact_attributes(),
<a name="l00474"></a>00474 resource->link_->contact() );
<a name="l00475"></a>00475
<a name="l00476"></a>00476 <span class="comment">// It seems like this should be a ContactDownEvent, but that doesn't</span>
<a name="l00477"></a>00477 <span class="comment">// actually clear the contact, so DTN2 thinks this link is still open.</span>
<a name="l00478"></a>00478 BundleDaemon::post( <span class="keyword">new</span> LinkStateChangeRequest(resource->link_,
<a name="l00479"></a>00479 Link::CLOSED,
<a name="l00480"></a>00480 ContactEvent::NO_INFO) );
<a name="l00481"></a>00481 } <span class="comment">// if</span>
<a name="l00482"></a>00482 }
<a name="l00483"></a>00483
<a name="l00484"></a>00484 <span class="keywordtype">void</span>
<a name="l00485"></a>00485 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> link_state_changed_event& message)
<a name="l00486"></a>00486 {
<a name="l00487"></a>00487 Link::state_t new_state;
<a name="l00488"></a>00488 ECLLinkResource* resource = get_link( message.link_name() );
<a name="l00489"></a>00489
<a name="l00490"></a>00490 <span class="keywordflow">if</span> (!resource) {
<a name="l00491"></a>00491 log_err( <span class="stringliteral">"Got link_state_changed_event for unknown link %s"</span>,
<a name="l00492"></a>00492 message.link_name().c_str() );
<a name="l00493"></a>00493 <span class="keywordflow">return</span>;
<a name="l00494"></a>00494 }
<a name="l00495"></a>00495
<a name="l00496"></a>00496 new_state = XMLConvert::convert_link_state( message.new_state() );
<a name="l00497"></a>00497
<a name="l00498"></a>00498 resource->known_state_ = new_state;
<a name="l00499"></a>00499 BundleDaemon::post( <span class="keyword">new</span> LinkStateChangeRequest( resource->link_,
<a name="l00500"></a>00500 new_state, XMLConvert::convert_link_reason( message.reason() ) ) );
<a name="l00501"></a>00501 }
<a name="l00502"></a>00502
<a name="l00503"></a>00503 <span class="keywordtype">void</span>
<a name="l00504"></a>00504 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> link_deleted_event& message)
<a name="l00505"></a>00505 {
<a name="l00506"></a>00506 ECLLinkResource* resource = get_link( message.link_name() );
<a name="l00507"></a>00507 <span class="keywordflow">if</span> (!resource) {
<a name="l00508"></a>00508 log_err( <span class="stringliteral">"Got link_deleted_event for unknown link %s"</span>,
<a name="l00509"></a>00509 message.link_name().c_str() );
<a name="l00510"></a>00510 <span class="keywordflow">return</span>;
<a name="l00511"></a>00511 }
<a name="l00512"></a>00512
<a name="l00513"></a>00513 <span class="comment">// Lock the resource and clear its module field so that the BundleDaemon</span>
<a name="l00514"></a>00514 <span class="comment">// thread can't do anything with it.</span>
<a name="l00515"></a>00515 resource->lock_.lock(<span class="stringliteral">"handle(link_deleted_event)"</span>);
<a name="l00516"></a>00516 resource->module_ = NULL;
<a name="l00517"></a>00517 resource->lock_.unlock();
<a name="l00518"></a>00518
<a name="l00519"></a>00519 <span class="comment">// We need to actually lock the list to erase an element (normally, neither</span>
<a name="l00520"></a>00520 <span class="comment">// thread will lock on this just to read it).</span>
<a name="l00521"></a>00521 sem_wait(&link_list_sem_);
<a name="l00522"></a>00522 sem_wait(&link_list_sem_);
<a name="l00523"></a>00523
<a name="l00524"></a>00524 link_list_.erase( message.link_name() );
<a name="l00525"></a>00525
<a name="l00526"></a>00526 <span class="comment">// Unlock the lists.</span>
<a name="l00527"></a>00527 sem_post(&link_list_sem_);
<a name="l00528"></a>00528 sem_post(&link_list_sem_);
<a name="l00529"></a>00529
<a name="l00530"></a>00530 <span class="comment">// If the link's cl_info is still set, then the deletion originated at the</span>
<a name="l00531"></a>00531 <span class="comment">// CLA, not the BPA, and we need remove the link from the contact manager</span>
<a name="l00532"></a>00532 <span class="comment">// and then delete the resource. Setting the module field NULL (above) will</span>
<a name="l00533"></a>00533 <span class="comment">// cause ExternalConvergenceLayer::delete_link (called through </span>
<a name="l00534"></a>00534 <span class="comment">// ContactManager::del_link) to just return without sending a request back</span>
<a name="l00535"></a>00535 <span class="comment">// down here.</span>
<a name="l00536"></a>00536 <span class="keywordflow">if</span> (resource->link_->cl_info() != NULL) {
<a name="l00537"></a>00537 <span class="comment">//resource->link_->set_cl_info(NULL);</span>
<a name="l00538"></a>00538 BundleDaemon::instance()->contactmgr()->del_link(resource->link_, <span class="keyword">true</span>);
<a name="l00539"></a>00539 }
<a name="l00540"></a>00540
<a name="l00541"></a>00541 cl_.delete_resource(resource);
<a name="l00542"></a>00542
<a name="l00543"></a>00543 <span class="comment">// NOTE: The ContactManager posts a LinkDeletedEvent, so we do not need</span>
<a name="l00544"></a>00544 <span class="comment">// another one.</span>
<a name="l00545"></a>00545 }
<a name="l00546"></a>00546
<a name="l00547"></a>00547 <span class="keywordtype">void</span>
<a name="l00548"></a>00548 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> link_attribute_changed_event& message)
<a name="l00549"></a>00549 {
<a name="l00550"></a>00550 ECLLinkResource* resource = get_link( message.link_name() );
<a name="l00551"></a>00551 <span class="keywordflow">if</span> (!resource) {
<a name="l00552"></a>00552 log_err( <span class="stringliteral">"Got link_attribute_changed_event for unknown link %s"</span>,
<a name="l00553"></a>00553 message.link_name().c_str() );
<a name="l00554"></a>00554 <span class="keywordflow">return</span>;
<a name="l00555"></a>00555 }
<a name="l00556"></a>00556
<a name="l00557"></a>00557 <span class="comment">// Check for a changed high-water mark.</span>
<a name="l00558"></a>00558 <span class="keywordflow">if</span> ( message.link_attributes().high_water_mark().present() ) {
<a name="l00559"></a>00559 resource->set_high_water_mark(
<a name="l00560"></a>00560 message.link_attributes().high_water_mark().get() );
<a name="l00561"></a>00561 }
<a name="l00562"></a>00562
<a name="l00563"></a>00563 <span class="comment">// Check for a changed low-water mark.</span>
<a name="l00564"></a>00564 <span class="keywordflow">if</span> ( message.link_attributes().low_water_mark().present() ) {
<a name="l00565"></a>00565 resource->set_low_water_mark(
<a name="l00566"></a>00566 message.link_attributes().low_water_mark().get() );
<a name="l00567"></a>00567 }
<a name="l00568"></a>00568
<a name="l00569"></a>00569 ContactEvent::reason_t reason =
<a name="l00570"></a>00570 XMLConvert::convert_link_reason( message.reason() );
<a name="l00571"></a>00571
<a name="l00572"></a>00572 <a class="code" href="namespacedtn.html#e203c4f515b9e88e9e3462100c257314">AttributeVector</a> params;
<a name="l00573"></a>00573 <span class="keyword">const</span> clmessage::link_attributes& attributes = message.link_attributes();
<a name="l00574"></a>00574 <span class="comment">// These are the only attributes that should be changed by the CLA; should</span>
<a name="l00575"></a>00575 <span class="comment">// there be yet another XSD type?</span>
<a name="l00576"></a>00576
<a name="l00577"></a>00577 <span class="keywordflow">if</span> ( attributes.peer_eid().present() ) {
<a name="l00578"></a>00578 resource->link_->set_remote_eid(
<a name="l00579"></a>00579 EndpointID( attributes.peer_eid().get() ) );
<a name="l00580"></a>00580 }
<a name="l00581"></a>00581
<a name="l00582"></a>00582 <span class="keywordflow">if</span> (attributes.nexthop().present()) {
<a name="l00583"></a>00583 params.push_back(
<a name="l00584"></a>00584 NamedAttribute(<span class="stringliteral">"nexthop"</span>, attributes.nexthop().get()) );
<a name="l00585"></a>00585 }
<a name="l00586"></a>00586 <span class="keywordflow">if</span> (attributes.is_reachable().present()) {
<a name="l00587"></a>00587 params.push_back(
<a name="l00588"></a>00588 NamedAttribute(<span class="stringliteral">"is_reachable"</span>, attributes.is_reachable().get()) );
<a name="l00589"></a>00589 }
<a name="l00590"></a>00590 <span class="keywordflow">if</span> (attributes.how_reliable().present()) {
<a name="l00591"></a>00591 params.push_back(
<a name="l00592"></a>00592 NamedAttribute(<span class="stringliteral">"how_reliable"</span>, static_cast<int>(attributes.how_reliable().get())) );
<a name="l00593"></a>00593 }
<a name="l00594"></a>00594 <span class="keywordflow">if</span> (attributes.how_available().present()) {
<a name="l00595"></a>00595 params.push_back(
<a name="l00596"></a>00596 NamedAttribute(<span class="stringliteral">"how_available"</span>, static_cast<int>(attributes.how_available().get())) );
<a name="l00597"></a>00597 }
<a name="l00598"></a>00598 <span class="comment">// put in the key_value_pairs</span>
<a name="l00599"></a>00599 KeyValueSequence::const_iterator iter;
<a name="l00600"></a>00600 <span class="keywordflow">for</span> (iter = attributes.key_value_pair().begin();
<a name="l00601"></a>00601 iter != attributes.key_value_pair().end();
<a name="l00602"></a>00602 iter++) {
<a name="l00603"></a>00603 params.push_back( NamedAttribute(iter->name(), iter->value()) );
<a name="l00604"></a>00604 }
<a name="l00605"></a>00605
<a name="l00606"></a>00606 BundleDaemon::post(
<a name="l00607"></a>00607 <span class="keyword">new</span> LinkAttributeChangedEvent(resource->link_, params, reason) );
<a name="l00608"></a>00608 }
<a name="l00609"></a>00609
<a name="l00610"></a>00610 <span class="keywordtype">void</span>
<a name="l00611"></a>00611 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> contact_attribute_changed_event& message)
<a name="l00612"></a>00612 {
<a name="l00613"></a>00613 ECLLinkResource* resource = get_link( message.link_name() );
<a name="l00614"></a>00614 <span class="keywordflow">if</span> (!resource) {
<a name="l00615"></a>00615 log_err( <span class="stringliteral">"Got link_attribute_changed_event for unknown link %s"</span>,
<a name="l00616"></a>00616 message.link_name().c_str() );
<a name="l00617"></a>00617 <span class="keywordflow">return</span>;
<a name="l00618"></a>00618 }
<a name="l00619"></a>00619
<a name="l00620"></a>00620 update_contact_attributes( message.contact_attributes(),
<a name="l00621"></a>00621 resource->link_->contact() );
<a name="l00622"></a>00622
<a name="l00623"></a>00623 ContactEvent::reason_t reason =
<a name="l00624"></a>00624 XMLConvert::convert_link_reason( message.reason() );
<a name="l00625"></a>00625
<a name="l00626"></a>00626 BundleDaemon::post(
<a name="l00627"></a>00627 <span class="keyword">new</span> ContactAttributeChangedEvent(resource->link_->contact(), reason) );
<a name="l00628"></a>00628 }
<a name="l00629"></a>00629
<a name="l00630"></a>00630 <span class="keywordtype">void</span>
<a name="l00631"></a>00631 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> link_add_reachable_event& message)
<a name="l00632"></a>00632 {
<a name="l00633"></a>00633 <span class="comment">// Check if the contact manager has a link with that name already</span>
<a name="l00634"></a>00634 <span class="comment">// If it does, it may be in the process of deletion.</span>
<a name="l00635"></a>00635 <span class="comment">// We will wait for an event to get completely through the event queue</span>
<a name="l00636"></a>00636 <span class="comment">// before giving up on creating the new link.</span>
<a name="l00637"></a>00637 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link = BundleDaemon::instance()->contactmgr()->find_link(message.link_name().c_str());
<a name="l00638"></a>00638 <span class="keywordflow">if</span> (link != NULL){
<a name="l00639"></a>00639 oasys::Notifier* notifier = <span class="keyword">new</span> oasys::Notifier(<span class="stringliteral">"/dtn/cl/external"</span>);
<a name="l00640"></a>00640 BundleDaemon::post_and_wait(<span class="keyword">new</span> StatusRequest(), notifier);
<a name="l00641"></a>00641 <span class="keyword">delete</span> notifier;
<a name="l00642"></a>00642 link = BundleDaemon::instance()->contactmgr()->find_link(message.link_name().c_str());
<a name="l00643"></a>00643 <span class="keywordflow">if</span> (link != NULL){
<a name="l00644"></a>00644 log_err( <span class="stringliteral">"Got link_add_reachable_event for link '%s' that already exists"</span>,
<a name="l00645"></a>00645 message.link_name().c_str() );
<a name="l00646"></a>00646 <span class="keywordflow">return</span>;
<a name="l00647"></a>00647 }
<a name="l00648"></a>00648 }
<a name="l00649"></a>00649
<a name="l00650"></a>00650 ECLLinkResource* resource;
<a name="l00651"></a>00651 <span class="keyword">const</span> clmessage::link_config_parameters& params =
<a name="l00652"></a>00652 message.link_config_parameters();
<a name="l00653"></a>00653 resource = get_link( message.link_name() );
<a name="l00654"></a>00654 <span class="keywordflow">if</span> (resource) {
<a name="l00655"></a>00655 log_err( <span class="stringliteral">"Got link_add_reachable_event for link '%s' that already exists"</span>,
<a name="l00656"></a>00656 message.link_name().c_str() );
<a name="l00657"></a>00657 <span class="keywordflow">return</span>;
<a name="l00658"></a>00658 }
<a name="l00659"></a>00659
<a name="l00660"></a>00660 <span class="keywordflow">if</span> ( !params.nexthop().present() ) {
<a name="l00661"></a>00661 log_err(<span class="stringliteral">"Got link_add_reachable_event with no nexthop field"</span>);
<a name="l00662"></a>00662 <span class="keywordflow">return</span>;
<a name="l00663"></a>00663 }
<a name="l00664"></a>00664
<a name="l00665"></a>00665 resource = create_discovered_link( message.peer_eid(),
<a name="l00666"></a>00666 params.nexthop().get(),
<a name="l00667"></a>00667 message.link_name() );
<a name="l00668"></a>00668 }
<a name="l00669"></a>00669
<a name="l00670"></a>00670 <span class="keywordtype">void</span>
<a name="l00671"></a>00671 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> bundle_transmitted_event& message)
<a name="l00672"></a>00672 {
<a name="l00673"></a>00673 <span class="comment">// Find the link that this bundle was going to.</span>
<a name="l00674"></a>00674 ECLLinkResource* resource = get_link( message.link_name() );
<a name="l00675"></a>00675 <span class="keywordflow">if</span> (!resource) {
<a name="l00676"></a>00676 log_err( <span class="stringliteral">"Got bundle_transmitted_event for unknown link %s"</span>,
<a name="l00677"></a>00677 message.link_name().c_str() );
<a name="l00678"></a>00678 <span class="keywordflow">return</span>;
<a name="l00679"></a>00679 }
<a name="l00680"></a>00680
<a name="l00681"></a>00681 <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a> bundle =
<a name="l00682"></a>00682 resource->get_outgoing_bundle( message.bundle_attributes() );
<a name="l00683"></a>00683 <span class="keywordflow">if</span> ( !bundle.object() ) {
<a name="l00684"></a>00684 log_err(<span class="stringliteral">"Got bundle_transmitted_event for unknown bundle"</span>);
<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 <span class="comment">// Take this off the outgoing bundle list for this link.</span>
<a name="l00689"></a>00689 <span class="keywordflow">if</span> ( !resource->erase_outgoing_bundle( bundle.object() ) ) {
<a name="l00690"></a>00690 log_err(<span class="stringliteral">"Unable to remove bundle %d from the link's outgoing bundle list"</span>,
<a name="l00691"></a>00691 bundle->bundleid());
<a name="l00692"></a>00692 }
<a name="l00693"></a>00693
<a name="l00694"></a>00694 <span class="comment">// Figure out the absolute path to the file.</span>
<a name="l00695"></a>00695 oasys::StringBuffer <a class="code" href="dtnrecv_8c.html#b49244970ed5ca30989c2dab2129de34">filename</a>(<span class="stringliteral">"bundle%d"</span>, bundle->bundleid());
<a name="l00696"></a>00696 std::string abs_path = bundle_out_path_ + <span class="stringliteral">"/"</span> + resource->link_->name_str() +
<a name="l00697"></a>00697 <span class="stringliteral">"/"</span> + <a class="code" href="dtnrecv_8c.html#b49244970ed5ca30989c2dab2129de34">filename</a>.c_str();
<a name="l00698"></a>00698
<a name="l00699"></a>00699 <span class="comment">// Delete the bundle file.</span>
<a name="l00700"></a>00700 ::remove( abs_path.c_str() );
<a name="l00701"></a>00701
<a name="l00702"></a>00702 <span class="comment">// If we were in state BUSY, see if sending this bundle made us un-busy.</span>
<a name="l00703"></a>00703 <span class="comment">// if (resource->link_->state() == Link::BUSY) {</span>
<a name="l00704"></a>00704 <span class="comment">// BlockInfoVec* blocks = bundle->xmit_blocks_.find_blocks(resource->link_);</span>
<a name="l00705"></a>00705 <span class="comment">// ASSERT(blocks != NULL);</span>
<a name="l00706"></a>00706
<a name="l00707"></a>00707 <span class="comment">// size_t total_len = BundleProtocol::total_length(blocks);</span>
<a name="l00708"></a>00708 <span class="comment">// int queued_bytes = resource->link_->stats()->bytes_queued_ - total_len;</span>
<a name="l00709"></a>00709
<a name="l00710"></a>00710 <span class="comment">// if ( resource->low_water_mark_crossed(queued_bytes) ) {</span>
<a name="l00711"></a>00711 <span class="comment">// log_info( "Link %s crossed low-water mark; setting OPEN",</span>
<a name="l00712"></a>00712 <span class="comment">// resource->link_->name() ); </span>
<a name="l00713"></a>00713 <span class="comment">// // Post a state-change to AVAILABLE in order to get back to OPEN.</span>
<a name="l00714"></a>00714 <span class="comment">// BundleDaemon::post_at_head(</span>
<a name="l00715"></a>00715 <span class="comment">// new LinkStateChangeRequest(resource->link_,</span>
<a name="l00716"></a>00716 <span class="comment">// Link::AVAILABLE,</span>
<a name="l00717"></a>00717 <span class="comment">// ContactEvent::UNBLOCKED) );</span>
<a name="l00718"></a>00718 <span class="comment">// } // if</span>
<a name="l00719"></a>00719
<a name="l00720"></a>00720 <span class="comment">// else {</span>
<a name="l00721"></a>00721 <span class="comment">// log_debug("Low-water mark not crossed; queued bytes: %d",</span>
<a name="l00722"></a>00722 <span class="comment">// queued_bytes);</span>
<a name="l00723"></a>00723 <span class="comment">// }</span>
<a name="l00724"></a>00724 <span class="comment">// } // if</span>
<a name="l00725"></a>00725
<a name="l00726"></a>00726 <span class="comment">// Tell the BundleDaemon about this.</span>
<a name="l00727"></a>00727 BundleTransmittedEvent* b_event =
<a name="l00728"></a>00728 <span class="keyword">new</span> BundleTransmittedEvent(bundle.object(),
<a name="l00729"></a>00729 resource->link_->contact(),
<a name="l00730"></a>00730 resource->link_,
<a name="l00731"></a>00731 message.bytes_sent(),
<a name="l00732"></a>00732 message.reliably_sent());
<a name="l00733"></a>00733 BundleDaemon::post(b_event);
<a name="l00734"></a>00734 }
<a name="l00735"></a>00735
<a name="l00736"></a>00736 <span class="keywordtype">void</span>
<a name="l00737"></a>00737 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> bundle_canceled_event& message)
<a name="l00738"></a>00738 {
<a name="l00739"></a>00739 <span class="comment">// Find the link that this bundle was going to.</span>
<a name="l00740"></a>00740 ECLLinkResource* resource = get_link( message.link_name() );
<a name="l00741"></a>00741 <span class="keywordflow">if</span> (!resource) {
<a name="l00742"></a>00742 log_err( <span class="stringliteral">"Got bundle_canceled_event for unknown link %s"</span>,
<a name="l00743"></a>00743 message.link_name().c_str() );
<a name="l00744"></a>00744 <span class="keywordflow">return</span>;
<a name="l00745"></a>00745 }
<a name="l00746"></a>00746
<a name="l00747"></a>00747 <span class="comment">// Find this bundle on the link's outgoing bundle list.</span>
<a name="l00748"></a>00748 <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a> bundle =
<a name="l00749"></a>00749 resource->get_outgoing_bundle( message.bundle_attributes() );
<a name="l00750"></a>00750 <span class="keywordflow">if</span> ( !bundle.object() ) {
<a name="l00751"></a>00751 log_err(<span class="stringliteral">"Got bundle_canceled_event for unknown bundle"</span>);
<a name="l00752"></a>00752 <span class="keywordflow">return</span>;
<a name="l00753"></a>00753 }
<a name="l00754"></a>00754
<a name="l00755"></a>00755 <span class="comment">// Clean up after the bundle and tell the BPA about it.</span>
<a name="l00756"></a>00756 bundle_send_failed(resource, bundle.object(), <span class="keyword">true</span>);
<a name="l00757"></a>00757 BundleDaemon::post( <span class="keyword">new</span> BundleSendCancelledEvent(bundle.object(),
<a name="l00758"></a>00758 resource->link_) );
<a name="l00759"></a>00759
<a name="l00760"></a>00760 <span class="comment">// If we were in state BUSY, see if sending this bundle made us un-busy.</span>
<a name="l00761"></a>00761 <span class="comment">// if (resource->link_->state() == Link::BUSY) {</span>
<a name="l00762"></a>00762 <span class="comment">// BlockInfoVec* blocks = bundle->xmit_blocks_.find_blocks(resource->link_);</span>
<a name="l00763"></a>00763 <span class="comment">// ASSERT(blocks != NULL);</span>
<a name="l00764"></a>00764
<a name="l00765"></a>00765 <span class="comment">// size_t total_len = BundleProtocol::total_length(blocks);</span>
<a name="l00766"></a>00766 <span class="comment">// int queued_bytes = resource->link_->stats()->bytes_queued_ - total_len;</span>
<a name="l00767"></a>00767
<a name="l00768"></a>00768 <span class="comment">// if ( resource->low_water_mark_crossed(queued_bytes) ) {</span>
<a name="l00769"></a>00769 <span class="comment">// log_info( "Link %s crossed low-water mark; setting OPEN",</span>
<a name="l00770"></a>00770 <span class="comment">// resource->link_->name() ); </span>
<a name="l00771"></a>00771 <span class="comment">// // Post a state-change to AVAILABLE in order to get back to OPEN.</span>
<a name="l00772"></a>00772 <span class="comment">// BundleDaemon::post_at_head(</span>
<a name="l00773"></a>00773 <span class="comment">// new LinkStateChangeRequest(resource->link_,</span>
<a name="l00774"></a>00774 <span class="comment">// Link::AVAILABLE,</span>
<a name="l00775"></a>00775 <span class="comment">// ContactEvent::UNBLOCKED) );</span>
<a name="l00776"></a>00776 <span class="comment">// } // if</span>
<a name="l00777"></a>00777
<a name="l00778"></a>00778 <span class="comment">// else {</span>
<a name="l00779"></a>00779 <span class="comment">// log_debug("Low-water mark not crossed; queued bytes: %d",</span>
<a name="l00780"></a>00780 <span class="comment">// queued_bytes);</span>
<a name="l00781"></a>00781 <span class="comment">// }</span>
<a name="l00782"></a>00782 <span class="comment">// } // if</span>
<a name="l00783"></a>00783 }
<a name="l00784"></a>00784
<a name="l00785"></a>00785 <span class="keywordtype">void</span>
<a name="l00786"></a>00786 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> bundle_receive_started_event& message)
<a name="l00787"></a>00787 {
<a name="l00788"></a>00788 IncomingBundleRecord record;
<a name="l00789"></a>00789 record.location = message.location();
<a name="l00790"></a>00790 <span class="keywordflow">if</span> ( message.peer_eid().present() )
<a name="l00791"></a>00791 record.peer_eid = message.peer_eid().get();
<a name="l00792"></a>00792
<a name="l00793"></a>00793 incoming_bundle_list_.push_back(record);
<a name="l00794"></a>00794 }
<a name="l00795"></a>00795
<a name="l00796"></a>00796 <span class="keywordtype">void</span>
<a name="l00797"></a>00797 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> bundle_received_event& message)
<a name="l00798"></a>00798 {
<a name="l00799"></a>00799 <span class="comment">// A bytes_received of 0 means that nothing (or not enough) was received.</span>
<a name="l00800"></a>00800 <span class="comment">// We only need to delete the bundle file if it exists.</span>
<a name="l00801"></a>00801 <span class="keywordflow">if</span> (message.bytes_received() == 0) {
<a name="l00802"></a>00802 std::string file_path = bundle_in_path_ + <span class="stringliteral">"/"</span> + message.location();
<a name="l00803"></a>00803
<a name="l00804"></a>00804 <span class="comment">// If the bundle file exists, delete it.</span>
<a name="l00805"></a>00805 <span class="keywordflow">if</span> (oasys::FileUtils::size( file_path.c_str() ) >= 0) {
<a name="l00806"></a>00806 <span class="keywordflow">if</span> (::<span class="keyword">remove</span>( file_path.c_str() ) < 0) {
<a name="l00807"></a>00807 log_err( <span class="stringliteral">"Unable to remove bundle file %s: %s"</span>,
<a name="l00808"></a>00808 file_path.c_str(), strerror(errno) );
<a name="l00809"></a>00809 } <span class="comment">// if</span>
<a name="l00810"></a>00810 } <span class="comment">// if</span>
<a name="l00811"></a>00811 } <span class="comment">// if</span>
<a name="l00812"></a>00812
<a name="l00813"></a>00813 <span class="keywordflow">else</span> {
<a name="l00814"></a>00814 std::string peer_eid = EndpointID::NULL_EID().c_str();
<a name="l00815"></a>00815 <span class="keywordflow">if</span> ( message.peer_eid().present() )
<a name="l00816"></a>00816 peer_eid = message.peer_eid().get();
<a name="l00817"></a>00817
<a name="l00818"></a>00818 read_bundle_file(message.location(), peer_eid);
<a name="l00819"></a>00819 }
<a name="l00820"></a>00820
<a name="l00821"></a>00821 <span class="comment">// Remove the bundle from the incoming bundle list (if we got a</span>
<a name="l00822"></a>00822 <span class="comment">// bundle_receive_started_event for it).</span>
<a name="l00823"></a>00823 std::list<IncomingBundleRecord>::iterator incoming_i;
<a name="l00824"></a>00824 <span class="keywordflow">for</span> (incoming_i = incoming_bundle_list_.begin();
<a name="l00825"></a>00825 incoming_i != incoming_bundle_list_.end(); ++incoming_i) {
<a name="l00826"></a>00826 <span class="keywordflow">if</span> ( incoming_i->location == message.location() ) {
<a name="l00827"></a>00827 incoming_bundle_list_.erase(incoming_i);
<a name="l00828"></a>00828 <span class="keywordflow">break</span>;
<a name="l00829"></a>00829 } <span class="comment">// if</span>
<a name="l00830"></a>00830 } <span class="comment">// for</span>
<a name="l00831"></a>00831 }
<a name="l00832"></a>00832
<a name="l00833"></a>00833 <span class="keywordtype">void</span>
<a name="l00834"></a>00834 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> report_eid_reachable& message)
<a name="l00835"></a>00835 {
<a name="l00836"></a>00836 BundleDaemon::post(
<a name="l00837"></a>00837 <span class="keyword">new</span> EIDReachableReportEvent( message.query_id(),
<a name="l00838"></a>00838 message.is_reachable() ) );
<a name="l00839"></a>00839 }
<a name="l00840"></a>00840
<a name="l00841"></a>00841 <span class="keywordtype">void</span>
<a name="l00842"></a>00842 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> report_link_attributes& message)
<a name="l00843"></a>00843 {
<a name="l00844"></a>00844 <a class="code" href="namespacedtn.html#e203c4f515b9e88e9e3462100c257314">AttributeVector</a> attrib_vector;
<a name="l00845"></a>00845
<a name="l00846"></a>00846 KeyValueSequence::const_iterator iter;
<a name="l00847"></a>00847 <span class="keywordflow">for</span> (iter = message.key_value_pair().begin();
<a name="l00848"></a>00848 iter != message.key_value_pair().end();
<a name="l00849"></a>00849 iter++) {
<a name="l00850"></a>00850 attrib_vector.push_back( NamedAttribute(iter->name(), iter->value()) );
<a name="l00851"></a>00851 }
<a name="l00852"></a>00852
<a name="l00853"></a>00853 BundleDaemon::post( <span class="keyword">new</span> LinkAttributesReportEvent( message.query_id(),
<a name="l00854"></a>00854 attrib_vector) );
<a name="l00855"></a>00855 }
<a name="l00856"></a>00856
<a name="l00857"></a>00857 <span class="keywordtype">void</span>
<a name="l00858"></a>00858 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> report_interface_attributes& message)
<a name="l00859"></a>00859 {
<a name="l00860"></a>00860 <a class="code" href="namespacedtn.html#e203c4f515b9e88e9e3462100c257314">AttributeVector</a> attrib_vector;
<a name="l00861"></a>00861
<a name="l00862"></a>00862 KeyValueSequence::const_iterator iter;
<a name="l00863"></a>00863 <span class="keywordflow">for</span> (iter = message.key_value_pair().begin();
<a name="l00864"></a>00864 iter != message.key_value_pair().end();
<a name="l00865"></a>00865 iter++) {
<a name="l00866"></a>00866 attrib_vector.push_back( NamedAttribute(iter->name(), iter->value()) );
<a name="l00867"></a>00867 }
<a name="l00868"></a>00868
<a name="l00869"></a>00869 BundleDaemon::post( <span class="keyword">new</span> IfaceAttributesReportEvent( message.query_id(),
<a name="l00870"></a>00870 attrib_vector) );
<a name="l00871"></a>00871 }
<a name="l00872"></a>00872
<a name="l00873"></a>00873 <span class="keywordtype">void</span>
<a name="l00874"></a>00874 <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">ECLModule::handle</a>(<span class="keyword">const</span> report_cla_parameters& message)
<a name="l00875"></a>00875 {
<a name="l00876"></a>00876 <a class="code" href="namespacedtn.html#e203c4f515b9e88e9e3462100c257314">AttributeVector</a> attrib_vector;
<a name="l00877"></a>00877
<a name="l00878"></a>00878 KeyValueSequence::const_iterator iter;
<a name="l00879"></a>00879 <span class="keywordflow">for</span> (iter = message.key_value_pair().begin();
<a name="l00880"></a>00880 iter != message.key_value_pair().end();
<a name="l00881"></a>00881 iter++) {
<a name="l00882"></a>00882 attrib_vector.push_back( NamedAttribute(iter->name(), iter->value()) );
<a name="l00883"></a>00883 }
<a name="l00884"></a>00884
<a name="l00885"></a>00885 BundleDaemon::post( <span class="keyword">new</span> CLAParametersReportEvent( message.query_id(),
<a name="l00886"></a>00886 attrib_vector) );
<a name="l00887"></a>00887 }
<a name="l00888"></a>00888
<a name="l00889"></a>00889
<a name="l00890"></a>00890 <span class="keywordtype">void</span>
<a name="l00891"></a>00891 ECLModule::read_bundle_file(<span class="keyword">const</span> std::string& location,
<a name="l00892"></a>00892 <span class="keyword">const</span> std::string& peer_eid)
<a name="l00893"></a>00893 {
<a name="l00894"></a>00894 <span class="keywordtype">int</span> bundle_fd;
<a name="l00895"></a>00895 <span class="keywordtype">bool</span> finished = <span class="keyword">false</span>;
<a name="l00896"></a>00896 off_t file_offset = 0;
<a name="l00897"></a>00897 <span class="keyword">struct </span>stat file_stat;
<a name="l00898"></a>00898
<a name="l00899"></a>00899 std::string file_path = bundle_in_path_ + <span class="stringliteral">"/"</span> + location;
<a name="l00900"></a>00900
<a name="l00901"></a>00901 <span class="comment">// Open up the file.</span>
<a name="l00902"></a>00902 bundle_fd = oasys::IO::open(file_path.c_str(), O_RDONLY);
<a name="l00903"></a>00903 <span class="keywordflow">if</span> (bundle_fd < 0) {
<a name="l00904"></a>00904 log_err( <span class="stringliteral">"Unable to read bundle file %s: %s"</span>, file_path.c_str(),
<a name="l00905"></a>00905 strerror(errno) );
<a name="l00906"></a>00906 <span class="keywordflow">return</span>;
<a name="l00907"></a>00907 }
<a name="l00908"></a>00908
<a name="l00909"></a>00909 <span class="comment">// Stat the file so we know how big it is.</span>
<a name="l00910"></a>00910 <span class="keywordflow">if</span> (oasys::IO::stat(file_path.c_str(), &file_stat) < 0) {
<a name="l00911"></a>00911 log_err( <span class="stringliteral">"Unable to stat bundle file %s: %s"</span>, file_path.c_str(),
<a name="l00912"></a>00912 strerror(errno) );
<a name="l00913"></a>00913 oasys::IO::close(bundle_fd);
<a name="l00914"></a>00914 <span class="keywordflow">return</span>;
<a name="l00915"></a>00915 }
<a name="l00916"></a>00916
<a name="l00917"></a>00917 Bundle* bundle = <span class="keyword">new</span> Bundle();
<a name="l00918"></a>00918
<a name="l00919"></a>00919 <span class="comment">// Keep feeding BundleProtocol::consume() chunks until either it indicates</span>
<a name="l00920"></a>00920 <span class="comment">// that the bundle is finished or we run out of bytes in the file (these</span>
<a name="l00921"></a>00921 <span class="comment">// two SHOULD happen at the same time). This loop is to ensure that only</span>
<a name="l00922"></a>00922 <span class="comment">// MAX_BUNDLE_IN_MEMORY bytes are actually mapped in memory at a time.</span>
<a name="l00923"></a>00923 <span class="keywordflow">while</span> (!finished && file_offset < file_stat.st_size) {
<a name="l00924"></a>00924 <span class="keywordtype">size_t</span> map_size = std::min(file_stat.st_size - file_offset,
<a name="l00925"></a>00925 (off_t)MAX_BUNDLE_IN_MEMORY);
<a name="l00926"></a>00926
<a name="l00927"></a>00927 <span class="comment">// Map the next chunk of file.</span>
<a name="l00928"></a>00928 <span class="keywordtype">void</span>* bundle_ptr = oasys::IO::mmap(bundle_fd, file_offset, map_size,
<a name="l00929"></a>00929 oasys::IO::MMAP_RO);
<a name="l00930"></a>00930 <span class="keywordflow">if</span> (bundle_ptr == NULL) {
<a name="l00931"></a>00931 log_err( <span class="stringliteral">"Unable to map bundle file %s: %s"</span>, file_path.c_str(),
<a name="l00932"></a>00932 strerror(errno) );
<a name="l00933"></a>00933 oasys::IO::close(bundle_fd);
<a name="l00934"></a>00934 <span class="keyword">delete</span> bundle;
<a name="l00935"></a>00935 <span class="keywordflow">return</span>;
<a name="l00936"></a>00936 }
<a name="l00937"></a>00937
<a name="l00938"></a>00938 <span class="comment">// Feed data to BundleProtocol.</span>
<a name="l00939"></a>00939 <span class="keywordtype">int</span> result = BundleProtocol::consume(bundle, (u_char*)bundle_ptr,
<a name="l00940"></a>00940 map_size, &finished);
<a name="l00941"></a>00941
<a name="l00942"></a>00942 <span class="comment">// Unmap this chunk.</span>
<a name="l00943"></a>00943 <span class="keywordflow">if</span> (oasys::IO::munmap(bundle_ptr, map_size) < 0) {
<a name="l00944"></a>00944 log_err(<span class="stringliteral">"Unable to unmap bundle file"</span>);
<a name="l00945"></a>00945 oasys::IO::close(bundle_fd);
<a name="l00946"></a>00946 <span class="keyword">delete</span> bundle;
<a name="l00947"></a>00947 <span class="keywordflow">return</span>;
<a name="l00948"></a>00948 }
<a name="l00949"></a>00949
<a name="l00950"></a>00950 <span class="comment">// Check the result of consume().</span>
<a name="l00951"></a>00951 <span class="keywordflow">if</span> (result < 0) {
<a name="l00952"></a>00952 log_err(<span class="stringliteral">"Unable to process bundle"</span>);
<a name="l00953"></a>00953 oasys::IO::close(bundle_fd);
<a name="l00954"></a>00954 <span class="keyword">delete</span> bundle;
<a name="l00955"></a>00955 <span class="keywordflow">return</span>;
<a name="l00956"></a>00956 }
<a name="l00957"></a>00957
<a name="l00958"></a>00958 <span class="comment">// Update the file offset.</span>
<a name="l00959"></a>00959 file_offset += map_size;
<a name="l00960"></a>00960 }
<a name="l00961"></a>00961
<a name="l00962"></a>00962 <span class="comment">// Close the bundle file and then delete it.</span>
<a name="l00963"></a>00963 oasys::IO::close(bundle_fd);
<a name="l00964"></a>00964 <span class="keywordflow">if</span> (::<span class="keyword">remove</span>( file_path.c_str() ) < 0) {
<a name="l00965"></a>00965 log_err( <span class="stringliteral">"Unable to remove bundle file %s: %s"</span>, file_path.c_str(),
<a name="l00966"></a>00966 strerror(errno) );
<a name="l00967"></a>00967 }
<a name="l00968"></a>00968
<a name="l00969"></a>00969 <span class="keywordflow">if</span> (bundle->recv_blocks().size() < 1) {
<a name="l00970"></a>00970 log_err(<span class="stringliteral">"Received bundle does not contain enough information"</span>);
<a name="l00971"></a>00971 <span class="keyword">delete</span> bundle;
<a name="l00972"></a>00972 <span class="keywordflow">return</span>;
<a name="l00973"></a>00973 }
<a name="l00974"></a>00974
<a name="l00975"></a>00975 <span class="comment">// If there are unused bytes in the file, log a warning, but</span>
<a name="l00976"></a>00976 <span class="comment">// continue anyway.</span>
<a name="l00977"></a>00977 <span class="keywordflow">if</span> (file_offset < file_stat.st_size) {
<a name="l00978"></a>00978 log_warn(<span class="stringliteral">"Used only %llu of %llu bytes for the bundle"</span>,
<a name="l00979"></a>00979 U64FMT(file_offset), U64FMT(file_stat.st_size));
<a name="l00980"></a>00980 }
<a name="l00981"></a>00981
<a name="l00982"></a>00982 <span class="comment">// Tell the BundleDaemon about this bundle.</span>
<a name="l00983"></a>00983 BundleReceivedEvent* b_event =
<a name="l00984"></a>00984 <span class="keyword">new</span> BundleReceivedEvent(bundle, <a class="code" href="namespacedtn.html#60ee39c9672604f59fe1b12d4e1d142bb0775776e4be46e62a0dcff6cf968059" title="a peer dtn forwarder">EVENTSRC_PEER</a>, file_stat.st_size, peer_eid);
<a name="l00985"></a>00985 BundleDaemon::post(b_event);
<a name="l00986"></a>00986 }
<a name="l00987"></a>00987
<a name="l00988"></a>00988 <span class="keywordtype">void</span>
<a name="l00989"></a>00989 ECLModule::read_cycle() {
<a name="l00990"></a>00990 <span class="keywordtype">size_t</span> buffer_i = 0;
<a name="l00991"></a>00991
<a name="l00992"></a>00992 <span class="comment">// Peek at what's available.</span>
<a name="l00993"></a>00993 <span class="keywordtype">int</span> result = socket_.recv(read_buffer_, READ_BUFFER_SIZE, MSG_PEEK);
<a name="l00994"></a>00994
<a name="l00995"></a>00995 <span class="keywordflow">if</span> (result <= 0) {
<a name="l00996"></a>00996 log_err(<span class="stringliteral">"Connection to CL %s lost: %s"</span>, name_.c_str(),
<a name="l00997"></a>00997 (result == 0 ? <span class="stringliteral">"Closed by other side"</span> : strerror(errno)));
<a name="l00998"></a>00998
<a name="l00999"></a>00999 set_should_stop();
<a name="l01000"></a>01000 <span class="keywordflow">return</span>;
<a name="l01001"></a>01001 } <span class="comment">// if</span>
<a name="l01002"></a>01002
<a name="l01003"></a>01003 <span class="comment">// Reserve enough room in the message buffer for this chunk and</span>
<a name="l01004"></a>01004 <span class="comment">// a null terminating character.</span>
<a name="l01005"></a>01005 <span class="keywordflow">if</span> (msg_buffer_.capacity() < msg_buffer_.size() + (size_t)result + 1)
<a name="l01006"></a>01006 msg_buffer_.reserve(msg_buffer_.size() + (size_t)result + 1);
<a name="l01007"></a>01007
<a name="l01008"></a>01008 <span class="comment">// Push bytes onto the message buffer until we see the document root</span>
<a name="l01009"></a>01009 <span class="comment">// closing tag (</dtn>) or run out of bytes.</span>
<a name="l01010"></a>01010 <span class="keywordflow">while</span> (buffer_i < (<span class="keywordtype">size_t</span>)result) {
<a name="l01011"></a>01011 msg_buffer_.push_back(read_buffer_[buffer_i++]);
<a name="l01012"></a>01012
<a name="l01013"></a>01013 <span class="comment">// Check for the document root closing tag.</span>
<a name="l01014"></a>01014 <span class="keywordflow">if</span> (msg_buffer_.size() > 12 &&
<a name="l01015"></a>01015 strncmp(&msg_buffer_[msg_buffer_.size() - 13], <span class="stringliteral">"</cl_message>"</span>, 13) == 0) {
<a name="l01016"></a>01016 <span class="comment">// If we found the closing tag, add the null terminator and</span>
<a name="l01017"></a>01017 <span class="comment">// parse the document into a CLEvent.</span>
<a name="l01018"></a>01018 msg_buffer_.push_back(<span class="charliteral">'\0'</span>);
<a name="l01019"></a>01019 process_cl_event(&msg_buffer_[0], parser_);
<a name="l01020"></a>01020
<a name="l01021"></a>01021 msg_buffer_.clear();
<a name="l01022"></a>01022 <span class="keywordflow">break</span>;
<a name="l01023"></a>01023 } <span class="comment">// if</span>
<a name="l01024"></a>01024 } <span class="comment">// while</span>
<a name="l01025"></a>01025
<a name="l01026"></a>01026 <span class="comment">// Read to the end of the document for real (we just peeked earlier).</span>
<a name="l01027"></a>01027 socket_.recv(read_buffer_, buffer_i, 0);
<a name="l01028"></a>01028 }
<a name="l01029"></a>01029
<a name="l01030"></a>01030 <span class="keywordtype">int</span>
<a name="l01031"></a>01031 ECLModule::send_message(<span class="keyword">const</span> cl_message* message)
<a name="l01032"></a>01032 {
<a name="l01033"></a>01033 xercesc::MemBufFormatTarget <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>;
<a name="l01034"></a>01034
<a name="l01035"></a>01035 <span class="keywordflow">try</span> {
<a name="l01036"></a>01036 <span class="comment">// Create the message and dump it out to 'buf'.</span>
<a name="l01037"></a>01037 cl_message_(buf, *message, ExternalConvergenceLayer::namespace_map_,
<a name="l01038"></a>01038 <span class="stringliteral">"UTF-8"</span>, xml_schema::flags::dont_initialize);
<a name="l01039"></a>01039 }
<a name="l01040"></a>01040
<a name="l01041"></a>01041 <span class="keywordflow">catch</span> (xml_schema::serialization& e) {
<a name="l01042"></a>01042 xml_schema::errors::const_iterator err_i;
<a name="l01043"></a>01043 <span class="keywordflow">for</span> (err_i = e.errors().begin(); err_i != e.errors().end(); ++err_i)
<a name="l01044"></a>01044 log_err( <span class="stringliteral">"XML serialize error: %s"</span>, err_i->message().c_str() );
<a name="l01045"></a>01045
<a name="l01046"></a>01046 <span class="keywordflow">return</span> 0;
<a name="l01047"></a>01047 }
<a name="l01048"></a>01048
<a name="l01049"></a>01049 <span class="keywordflow">catch</span> (std::exception& e) {
<a name="l01050"></a>01050 log_err( <span class="stringliteral">"XML serialize error: %s"</span>, e.what() );
<a name="l01051"></a>01051 <span class="keywordflow">return</span> 0;
<a name="l01052"></a>01052 }
<a name="l01053"></a>01053
<a name="l01054"></a>01054 std::string msg_string( (<span class="keywordtype">char</span>*)buf.getRawBuffer(), buf.getLen() );
<a name="l01055"></a>01055 log_debug_p(<span class="stringliteral">"/dtn/cl/XML"</span>, <span class="stringliteral">"Sending message to module %s:\n%s"</span>,
<a name="l01056"></a>01056 name_.c_str(), msg_string.c_str() );
<a name="l01057"></a>01057
<a name="l01058"></a>01058 <span class="comment">// Send the message out the socket.</span>
<a name="l01059"></a>01059 <span class="keywordtype">int</span> err = socket_.send( (<span class="keywordtype">char</span>*)buf.getRawBuffer(), buf.getLen(), 0 );
<a name="l01060"></a>01060
<a name="l01061"></a>01061 <span class="keywordflow">if</span> (err < 0) {
<a name="l01062"></a>01062 log_err(<span class="stringliteral">"Socket error: %s"</span>, strerror(err));
<a name="l01063"></a>01063 log_err(<span class="stringliteral">"Connection with CL %s lost"</span>, name_.c_str());
<a name="l01064"></a>01064
<a name="l01065"></a>01065 <span class="keywordflow">return</span> -1;
<a name="l01066"></a>01066 }
<a name="l01067"></a>01067
<a name="l01068"></a>01068 <span class="keywordflow">return</span> 0;
<a name="l01069"></a>01069 }
<a name="l01070"></a>01070
<a name="l01071"></a>01071 <span class="keywordtype">int</span>
<a name="l01072"></a>01072 ECLModule::prepare_bundle_to_send(cl_message* message)
<a name="l01073"></a>01073 {
<a name="l01074"></a>01074 bundle_send_request request = message->bundle_send_request().get();
<a name="l01075"></a>01075
<a name="l01076"></a>01076 <span class="comment">// Find the link that this is going on.</span>
<a name="l01077"></a>01077 ECLLinkResource* link_resource = get_link( request.link_name() );
<a name="l01078"></a>01078 <span class="keywordflow">if</span> (!link_resource) {
<a name="l01079"></a>01079 log_err( <span class="stringliteral">"Got bundle_send_request for unknown link %s"</span>,
<a name="l01080"></a>01080 request.link_name().c_str() );
<a name="l01081"></a>01081 <span class="keywordflow">return</span> 0;
<a name="l01082"></a>01082 }
<a name="l01083"></a>01083
<a name="l01084"></a>01084 <span class="comment">// Find the bundle on the outgoing bundle list.</span>
<a name="l01085"></a>01085 <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a> bundle =
<a name="l01086"></a>01086 link_resource->get_outgoing_bundle( request.bundle_attributes() );
<a name="l01087"></a>01087 <span class="keywordflow">if</span> ( !bundle.object() ) {
<a name="l01088"></a>01088 log_err( <span class="stringliteral">"Got bundle_send_request for unknown bundle"</span>);
<a name="l01089"></a>01089 <span class="keywordflow">return</span> 0;
<a name="l01090"></a>01090 }
<a name="l01091"></a>01091
<a name="l01092"></a>01092 <span class="comment">// Grab the bundle blocks for this bundle on this link.</span>
<a name="l01093"></a>01093 BlockInfoVec* blocks =
<a name="l01094"></a>01094 bundle->xmit_blocks()->find_blocks(link_resource->link_);
<a name="l01095"></a>01095 <span class="keywordflow">if</span> (!blocks) {
<a name="l01096"></a>01096 log_err( <span class="stringliteral">"Bundle id %d on link %s has no block vectors"</span>,
<a name="l01097"></a>01097 bundle->bundleid(), request.link_name().c_str() );
<a name="l01098"></a>01098 <span class="keywordflow">return</span> 0;
<a name="l01099"></a>01099 }
<a name="l01100"></a>01100
<a name="l01101"></a>01101 <span class="comment">// Calculate the total length of this bundle.</span>
<a name="l01102"></a>01102 off_t total_length = BundleProtocol::total_length(blocks);
<a name="l01103"></a>01103
<a name="l01104"></a>01104 <span class="comment">// Figure out the path to the file.</span>
<a name="l01105"></a>01105 std::string abs_path = bundle_out_path_ + <span class="stringliteral">"/"</span> + request.location();
<a name="l01106"></a>01106
<a name="l01107"></a>01107 <span class="comment">// Create and open the file.</span>
<a name="l01108"></a>01108 <span class="keywordtype">int</span> bundle_fd = oasys::IO::open(abs_path.c_str(), O_RDWR | O_CREAT | O_EXCL,
<a name="l01109"></a>01109 0644);
<a name="l01110"></a>01110 <span class="keywordflow">if</span> (bundle_fd < 0) {
<a name="l01111"></a>01111 log_err( <span class="stringliteral">"Unable to create bundle file %s: %s"</span>,
<a name="l01112"></a>01112 request.location().c_str(), strerror(errno) );
<a name="l01113"></a>01113 <span class="keywordflow">return</span> 0;
<a name="l01114"></a>01114 }
<a name="l01115"></a>01115
<a name="l01116"></a>01116 <span class="comment">// "Truncate" (expand, really) the file to the size of the bundle.</span>
<a name="l01117"></a>01117 <span class="keywordflow">if</span> (oasys::IO::truncate(bundle_fd, total_length) < 0) {
<a name="l01118"></a>01118 log_err( <span class="stringliteral">"Unable to resize bundle file %s: %s"</span>,
<a name="l01119"></a>01119 request.location().c_str(), strerror(errno) );
<a name="l01120"></a>01120 oasys::IO::close(bundle_fd);
<a name="l01121"></a>01121 bundle_send_failed(link_resource, bundle.object(), <span class="keyword">true</span>);
<a name="l01122"></a>01122 <span class="keywordflow">return</span> 0;
<a name="l01123"></a>01123 }
<a name="l01124"></a>01124
<a name="l01125"></a>01125 off_t offset = 0;
<a name="l01126"></a>01126 <span class="keywordtype">bool</span> done = <span class="keyword">false</span>;
<a name="l01127"></a>01127
<a name="l01128"></a>01128 <span class="keywordflow">while</span> (offset < total_length) {
<a name="l01129"></a>01129 <span class="comment">// Calculate the size of the next chunk and map it.</span>
<a name="l01130"></a>01130 off_t map_size = std::min(total_length - offset,
<a name="l01131"></a>01131 (off_t)MAX_BUNDLE_IN_MEMORY);
<a name="l01132"></a>01132 <span class="keywordtype">void</span>* bundle_ptr = oasys::IO::mmap(bundle_fd, offset, map_size,
<a name="l01133"></a>01133 oasys::IO::MMAP_RW);
<a name="l01134"></a>01134 <span class="keywordflow">if</span> (bundle_ptr == NULL) {
<a name="l01135"></a>01135 log_err( <span class="stringliteral">"Unable to map output file %s: %s"</span>,
<a name="l01136"></a>01136 request.location().c_str(), strerror(errno) );
<a name="l01137"></a>01137 oasys::IO::close(bundle_fd);
<a name="l01138"></a>01138 bundle_send_failed(link_resource, bundle.object(), <span class="keyword">true</span>);
<a name="l01139"></a>01139 <span class="keywordflow">return</span> -1;
<a name="l01140"></a>01140 }
<a name="l01141"></a>01141
<a name="l01142"></a>01142 <span class="comment">// Feed the next piece of bundle through BundleProtocol.</span>
<a name="l01143"></a>01143 BundleProtocol::produce(bundle.object(), blocks, (u_char*)bundle_ptr,
<a name="l01144"></a>01144 offset, map_size, &done);
<a name="l01145"></a>01145
<a name="l01146"></a>01146 <span class="comment">// Unmap this chunk.</span>
<a name="l01147"></a>01147 oasys::IO::munmap(bundle_ptr, map_size);
<a name="l01148"></a>01148 offset += map_size;
<a name="l01149"></a>01149 }
<a name="l01150"></a>01150
<a name="l01151"></a>01151 oasys::IO::close(bundle_fd);
<a name="l01152"></a>01152
<a name="l01153"></a>01153 <span class="comment">// Send this event to the module.</span>
<a name="l01154"></a>01154 <span class="keywordflow">return</span> send_message(message);
<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 ECLModule::bundle_send_failed(ECLLinkResource* link_resource,
<a name="l01159"></a>01159 Bundle* bundle,
<a name="l01160"></a>01160 <span class="keywordtype">bool</span> erase_from_list)
<a name="l01161"></a>01161 {
<a name="l01162"></a>01162 <a class="code" href="namespacedtn.html#5f869544c85c75b5a85a14d6e90d7ff7" title="Typedef for a reference on a contact.">ContactRef</a> contact = link_resource->link_->contact();
<a name="l01163"></a>01163
<a name="l01164"></a>01164 <span class="comment">// Take the bundle off of the outgoing bundles list.</span>
<a name="l01165"></a>01165 <span class="keywordflow">if</span> (erase_from_list)
<a name="l01166"></a>01166 link_resource->erase_outgoing_bundle(bundle);
<a name="l01167"></a>01167
<a name="l01168"></a>01168 <span class="comment">// Figure out the relative and absolute path to the file.</span>
<a name="l01169"></a>01169 oasys::StringBuffer filename_buf(<span class="stringliteral">"bundle%d"</span>, bundle->bundleid());
<a name="l01170"></a>01170
<a name="l01171"></a>01171 <span class="comment">// Delete the bundle file.</span>
<a name="l01172"></a>01172 ::remove( (bundle_out_path_ + <span class="stringliteral">"/"</span> + link_resource->link_->name_str() + <span class="stringliteral">"/"</span> +
<a name="l01173"></a>01173 filename_buf.c_str()).c_str() );
<a name="l01174"></a>01174 }
<a name="l01175"></a>01175
<a name="l01176"></a>01176 ECLInterfaceResource*
<a name="l01177"></a>01177 ECLModule::get_interface(<span class="keyword">const</span> std::string& name)<span class="keyword"> const</span>
<a name="l01178"></a>01178 <span class="keyword"></span>{
<a name="l01179"></a>01179 oasys::ScopeLock l(&iface_list_lock_, <span class="stringliteral">"get_interface"</span>);
<a name="l01180"></a>01180 std::list<ECLInterfaceResource*>::const_iterator iface_i;
<a name="l01181"></a>01181
<a name="l01182"></a>01182 <span class="keywordflow">for</span> (iface_i = iface_list_.begin(); iface_i != iface_list_.end();
<a name="l01183"></a>01183 ++iface_i) {
<a name="l01184"></a>01184 <span class="keywordflow">if</span> ( (*iface_i)->interface_->name() == name)
<a name="l01185"></a>01185 <span class="keywordflow">return</span> *iface_i;
<a name="l01186"></a>01186 }
<a name="l01187"></a>01187
<a name="l01188"></a>01188 <span class="keywordflow">return</span> NULL;
<a name="l01189"></a>01189 }
<a name="l01190"></a>01190
<a name="l01191"></a>01191 ECLLinkResource*
<a name="l01192"></a>01192 ECLModule::get_link(<span class="keyword">const</span> std::string& name)<span class="keyword"> const</span>
<a name="l01193"></a>01193 <span class="keyword"></span>{
<a name="l01194"></a>01194 sem_wait(&link_list_sem_);
<a name="l01195"></a>01195
<a name="l01196"></a>01196 <span class="comment">// First, check on the normal link list.</span>
<a name="l01197"></a>01197 LinkHashMap::const_iterator link_i = link_list_.find(name);
<a name="l01198"></a>01198 <span class="keywordflow">if</span> ( link_i == link_list_.end() ) {
<a name="l01199"></a>01199 sem_post(&link_list_sem_);
<a name="l01200"></a>01200 <span class="keywordflow">return</span> NULL;
<a name="l01201"></a>01201 }
<a name="l01202"></a>01202
<a name="l01203"></a>01203 sem_post(&link_list_sem_);
<a name="l01204"></a>01204 <span class="keywordflow">return</span> link_i->second;
<a name="l01205"></a>01205 }
<a name="l01206"></a>01206
<a name="l01207"></a>01207 <span class="keywordtype">bool</span>
<a name="l01208"></a>01208 ECLModule::link_exists(<span class="keyword">const</span> std::string& name)<span class="keyword"> const</span>
<a name="l01209"></a>01209 <span class="keyword"></span>{
<a name="l01210"></a>01210 sem_wait(&link_list_sem_);
<a name="l01211"></a>01211
<a name="l01212"></a>01212 <span class="comment">// First, check on the normal link list.</span>
<a name="l01213"></a>01213 LinkHashMap::const_iterator link_i = link_list_.find(name);
<a name="l01214"></a>01214 <span class="keywordflow">if</span> ( link_i == link_list_.end() ) {
<a name="l01215"></a>01215 sem_post(&link_list_sem_);
<a name="l01216"></a>01216 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01217"></a>01217 }
<a name="l01218"></a>01218
<a name="l01219"></a>01219 sem_post(&link_list_sem_);
<a name="l01220"></a>01220 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01221"></a>01221 }
<a name="l01222"></a>01222
<a name="l01223"></a>01223 ECLLinkResource*
<a name="l01224"></a>01224 ECLModule::create_discovered_link(<span class="keyword">const</span> std::string& peer_eid,
<a name="l01225"></a>01225 <span class="keyword">const</span> std::string& nexthop,
<a name="l01226"></a>01226 <span class="keyword">const</span> std::string& link_name)
<a name="l01227"></a>01227 {
<a name="l01228"></a>01228 ContactManager* cm = BundleDaemon::instance()->contactmgr();
<a name="l01229"></a>01229
<a name="l01230"></a>01230 <span class="comment">//lock the contact manager so no one opens the link before we do</span>
<a name="l01231"></a>01231 oasys::ScopeLock l(cm->lock(), <span class="stringliteral">"ECLModule::create_discovered_link"</span>);
<a name="l01232"></a>01232
<a name="l01233"></a>01233 <span class="keywordflow">if</span> (cm->has_link(link_name.c_str())) {
<a name="l01234"></a>01234 log_err(<span class="stringliteral">"A link with name %s already exists; can't create duplicate"</span>,
<a name="l01235"></a>01235 link_name.c_str());
<a name="l01236"></a>01236 <span class="keywordflow">return</span> NULL;
<a name="l01237"></a>01237 }
<a name="l01238"></a>01238
<a name="l01239"></a>01239 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link = Link::create_link(link_name, Link::OPPORTUNISTIC, &cl_,
<a name="l01240"></a>01240 nexthop.c_str(), 0, NULL);
<a name="l01241"></a>01241 <span class="keywordflow">if</span> (link == NULL) {
<a name="l01242"></a>01242 log_err(<span class="stringliteral">"Unexpected error creating opportunistic link"</span>);
<a name="l01243"></a>01243 <span class="keywordflow">return</span> NULL;
<a name="l01244"></a>01244 }
<a name="l01245"></a>01245
<a name="l01246"></a>01246 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> new_link(link.object(),
<a name="l01247"></a>01247 <span class="stringliteral">"ECLModule::create_discovered_link: the new link"</span>);
<a name="l01248"></a>01248
<a name="l01249"></a>01249 new_link->set_remote_eid(peer_eid);
<a name="l01250"></a>01250
<a name="l01251"></a>01251 <span class="comment">// The LinkCreatedEvent is posted below.</span>
<a name="l01252"></a>01252 new_link->set_create_pending(<span class="keyword">true</span>);
<a name="l01253"></a>01253
<a name="l01254"></a>01254 <span class="keywordflow">if</span> (ExternalConvergenceLayer::discovered_prev_hop_header_)
<a name="l01255"></a>01255 new_link->params().prevhop_hdr_ = <span class="keyword">true</span>;
<a name="l01256"></a>01256
<a name="l01257"></a>01257 <span class="keywordflow">if</span> (!cm->add_new_link(new_link)) {
<a name="l01258"></a>01258 new_link->delete_link();
<a name="l01259"></a>01259 log_err( <span class="stringliteral">"Failed to add new opportunistic link %s"</span>, new_link->name() );
<a name="l01260"></a>01260 new_link = NULL;
<a name="l01261"></a>01261 <span class="keywordflow">return</span> NULL;
<a name="l01262"></a>01262 }
<a name="l01263"></a>01263
<a name="l01264"></a>01264 <span class="comment">// Create the resource holder for this link.</span>
<a name="l01265"></a>01265 ECLLinkResource* resource =
<a name="l01266"></a>01266 <span class="keyword">new</span> ECLLinkResource(name_, NULL, new_link, <span class="keyword">true</span>);
<a name="l01267"></a>01267 oasys::ScopeLock res_lock(&resource->lock_, <span class="stringliteral">"create_discovered_link"</span>);
<a name="l01268"></a>01268 new_link->set_cl_info(resource);
<a name="l01269"></a>01269 new_link->set_state(Link::AVAILABLE);
<a name="l01270"></a>01270 resource->module_ = <span class="keyword">this</span>;
<a name="l01271"></a>01271 resource->should_delete_ = <span class="keyword">false</span>;
<a name="l01272"></a>01272
<a name="l01273"></a>01273 <span class="comment">// The link object must be fully created before releasing this lock.</span>
<a name="l01274"></a>01274 l.unlock();
<a name="l01275"></a>01275
<a name="l01276"></a>01276 <span class="comment">// Wait twice on the semaphore to actually lock it.</span>
<a name="l01277"></a>01277 sem_wait(&link_list_sem_);
<a name="l01278"></a>01278 sem_wait(&link_list_sem_);
<a name="l01279"></a>01279
<a name="l01280"></a>01280 <span class="comment">// Add this link to our list of links.</span>
<a name="l01281"></a>01281 link_list_.insert( LinkHashMap::value_type(link_name.c_str(), resource) );
<a name="l01282"></a>01282
<a name="l01283"></a>01283 <span class="comment">// Unlock the semaphore.</span>
<a name="l01284"></a>01284 sem_post(&link_list_sem_);
<a name="l01285"></a>01285 sem_post(&link_list_sem_);
<a name="l01286"></a>01286
<a name="l01287"></a>01287 <span class="comment">// Notify the system that the new link is available for use.</span>
<a name="l01288"></a>01288 new_link->set_create_pending(<span class="keyword">false</span>);
<a name="l01289"></a>01289 <span class="comment">//BundleDaemon::post(new LinkCreatedEvent(new_link));</span>
<a name="l01290"></a>01290
<a name="l01291"></a>01291 <span class="keywordflow">return</span> resource;
<a name="l01292"></a>01292 }
<a name="l01293"></a>01293
<a name="l01294"></a>01294 <span class="keywordtype">void</span>
<a name="l01295"></a>01295 ECLModule::cleanup() {
<a name="l01296"></a>01296 LinkHashMap::const_iterator link_i;
<a name="l01297"></a>01297
<a name="l01298"></a>01298 <span class="comment">// First, let the BundleDaemon know that all of the links are closed.</span>
<a name="l01299"></a>01299 <span class="keywordflow">for</span> (link_i = link_list_.begin(); link_i != link_list_.end();
<a name="l01300"></a>01300 ++link_i) {
<a name="l01301"></a>01301 ECLLinkResource* resource = link_i->second;
<a name="l01302"></a>01302
<a name="l01303"></a>01303 oasys::ScopeLock res_lock(&resource->lock_, <span class="stringliteral">"ECLModule::cleanup"</span>);
<a name="l01304"></a>01304 resource->module_ = NULL;
<a name="l01305"></a>01305 resource->known_state_ = Link::CLOSED;
<a name="l01306"></a>01306
<a name="l01307"></a>01307 <span class="comment">// Only report the closing if the link is currently open (otherwise,</span>
<a name="l01308"></a>01308 <span class="comment">// the bundle daemon nags).</span>
<a name="l01309"></a>01309 Link::state_t current_state = resource->link_->state();
<a name="l01310"></a>01310 <span class="keywordflow">if</span> (current_state == Link::OPEN || current_state == Link::OPENING) {
<a name="l01311"></a>01311 BundleDaemon::post( <span class="keyword">new</span> LinkStateChangeRequest(resource->link_,
<a name="l01312"></a>01312 Link::CLOSED, ContactEvent::NO_INFO) );
<a name="l01313"></a>01313 }
<a name="l01314"></a>01314
<a name="l01315"></a>01315 <span class="comment">// Get this link's outgoing bundles.</span>
<a name="l01316"></a>01316 BundleList& bundle_set = resource->get_bundle_set();
<a name="l01317"></a>01317 oasys::ScopeLock bundle_lock(bundle_set.lock(), <span class="stringliteral">"ECLModule::cleanup"</span>);
<a name="l01318"></a>01318
<a name="l01319"></a>01319 <span class="comment">// For each outgoing bundle, call bundle_send_failed to clean the</span>
<a name="l01320"></a>01320 <span class="comment">// bundle.</span>
<a name="l01321"></a>01321 BundleList::iterator bundle_i;
<a name="l01322"></a>01322 <span class="keywordflow">for</span> (bundle_i = bundle_set.begin(); bundle_i != bundle_set.end();
<a name="l01323"></a>01323 ++bundle_i) {
<a name="l01324"></a>01324 bundle_send_failed(resource, *bundle_i, <span class="keyword">false</span>);
<a name="l01325"></a>01325 }
<a name="l01326"></a>01326
<a name="l01327"></a>01327 <span class="comment">// Clear the list of bundles that we just canceled.</span>
<a name="l01328"></a>01328 bundle_set.clear();
<a name="l01329"></a>01329
<a name="l01330"></a>01330 <span class="comment">// Remove the link's outgoing bundle directory.</span>
<a name="l01331"></a>01331 std::string outgoing_dir = bundle_out_path_ + <span class="stringliteral">"/"</span> +
<a name="l01332"></a>01332 resource->link_->name_str();
<a name="l01333"></a>01333 ::remove( outgoing_dir.c_str() );
<a name="l01334"></a>01334 }
<a name="l01335"></a>01335
<a name="l01336"></a>01336 <span class="comment">// Clean up any bundles for which we received a bundle_receive_started_event</span>
<a name="l01337"></a>01337 <span class="comment">// but no bundle_received_event. This will post BundleReceivedEvents for</span>
<a name="l01338"></a>01338 <span class="comment">// the partial bundles.</span>
<a name="l01339"></a>01339 std::list<IncomingBundleRecord>::iterator incoming_i;
<a name="l01340"></a>01340 <span class="keywordflow">for</span> (incoming_i = incoming_bundle_list_.begin();
<a name="l01341"></a>01341 incoming_i != incoming_bundle_list_.end(); ++incoming_i)
<a name="l01342"></a>01342 read_bundle_file( incoming_i->location, EndpointID::NULL_EID().c_str() );
<a name="l01343"></a>01343
<a name="l01344"></a>01344 <span class="comment">// At this point, we know that there are no links or interfaces pointing</span>
<a name="l01345"></a>01345 <span class="comment">// to this module, so no new messages will come in.</span>
<a name="l01346"></a>01346 cl_message* message;
<a name="l01347"></a>01347 <span class="keywordflow">while</span> ( message_queue_.try_pop(&message) )
<a name="l01348"></a>01348 <span class="keyword">delete</span> message;
<a name="l01349"></a>01349
<a name="l01350"></a>01350 <span class="comment">// Give our interfaces and non-temporary links back to the CL.</span>
<a name="l01351"></a>01351 cl_.give_resources(iface_list_);
<a name="l01352"></a>01352 cl_.give_resources(link_list_);
<a name="l01353"></a>01353
<a name="l01354"></a>01354 <span class="comment">// Delete the module's incoming and outgoing bundle directories.</span>
<a name="l01355"></a>01355 ::remove( bundle_in_path_.c_str() );
<a name="l01356"></a>01356 ::remove( bundle_out_path_.c_str() );
<a name="l01357"></a>01357 }
<a name="l01358"></a>01358
<a name="l01359"></a>01359 <span class="keywordtype">void</span>
<a name="l01360"></a>01360 ECLModule::update_contact_attributes(<span class="keyword">const</span> contact_attributes& attributes,
<a name="l01361"></a>01361 <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="l01362"></a>01362 {
<a name="l01363"></a>01363 <span class="comment">// XXX/demmer I don't think this should be able to set the start</span>
<a name="l01364"></a>01364 <span class="comment">// time, but I'll leave the hook in there for now</span>
<a name="l01365"></a>01365 contact->set_start_time(oasys::Time(attributes.start_time() / 1000,
<a name="l01366"></a>01366 attributes.start_time() * 1000));
<a name="l01367"></a>01367 contact->set_duration(attributes.duration());
<a name="l01368"></a>01368 contact->set_bps(attributes.bps());
<a name="l01369"></a>01369 contact->set_latency(attributes.latency());
<a name="l01370"></a>01370 }
<a name="l01371"></a>01371
<a name="l01372"></a>01372 } <span class="comment">// namespace dtn</span>
<a name="l01373"></a>01373
<a name="l01374"></a>01374 <span class="preprocessor">#endif // XERCES_C_ENABLED && EXTERNAL_CL_ENABLED</span>
</pre></div></div>
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