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<h1>LinkCommand.cc</h1><a href="LinkCommand_8cc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright 2004-2006 Intel Corporation</span>
<a name="l00003"></a>00003 <span class="comment"> * </span>
<a name="l00004"></a>00004 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span>
<a name="l00005"></a>00005 <span class="comment"> * you may not use this file except in compliance with the License.</span>
<a name="l00006"></a>00006 <span class="comment"> * You may obtain a copy of the License at</span>
<a name="l00007"></a>00007 <span class="comment"> * </span>
<a name="l00008"></a>00008 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span>
<a name="l00009"></a>00009 <span class="comment"> * </span>
<a name="l00010"></a>00010 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span>
<a name="l00011"></a>00011 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
<a name="l00012"></a>00012 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<a name="l00013"></a>00013 <span class="comment"> * See the License for the specific language governing permissions and</span>
<a name="l00014"></a>00014 <span class="comment"> * limitations under the License.</span>
<a name="l00015"></a>00015 <span class="comment"> */</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor"># include <<a class="code" href="dtn-config_8h.html">dtn-config.h</a>></span>
<a name="l00019"></a>00019 <span class="preprocessor">#endif</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <oasys/thread/Lock.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <oasys/util/StringBuffer.h></span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="LinkCommand_8h.html">LinkCommand.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="BundleEvent_8h.html">bundling/BundleEvent.h</a>"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="BundleDaemon_8h.html">bundling/BundleDaemon.h</a>"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="contacts_2Link_8h.html">contacts/Link.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="ContactManager_8h.html">contacts/ContactManager.h</a>"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="ConvergenceLayer_8h.html">conv_layers/ConvergenceLayer.h</a>"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="Scheme_8h.html">naming/Scheme.h</a>"</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keyword">namespace </span>dtn {
<a name="l00033"></a>00033
<a name="l00034"></a><a class="code" href="classdtn_1_1LinkCommand.html#e926e4078eb6787692dd78d5e4fd0934">00034</a> <a class="code" href="classdtn_1_1LinkCommand.html#e926e4078eb6787692dd78d5e4fd0934">LinkCommand::LinkCommand</a>()
<a name="l00035"></a>00035 : TclCommand(<span class="stringliteral">"link"</span>)
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 add_to_help(<span class="stringliteral">"add <name> <next hop> <type> <conv layer> <args>"</span>, <span class="stringliteral">"add links"</span>);
<a name="l00038"></a>00038 add_to_help(<span class="stringliteral">"open <name>"</span>, <span class="stringliteral">"open the link"</span>);
<a name="l00039"></a>00039 add_to_help(<span class="stringliteral">"close <name>"</span>, <span class="stringliteral">"close the link"</span>);
<a name="l00040"></a>00040 add_to_help(<span class="stringliteral">"delete <name>"</span>, <span class="stringliteral">"delete the link"</span>);
<a name="l00041"></a>00041 add_to_help(<span class="stringliteral">"set_available <name> <true | false>"</span>,
<a name="l00042"></a>00042 <span class="stringliteral">"hacky way to make the link available"</span>);
<a name="l00043"></a>00043 add_to_help(<span class="stringliteral">"state <name>"</span>, <span class="stringliteral">"return the state of a link"</span>);
<a name="l00044"></a>00044 add_to_help(<span class="stringliteral">"stats <name>"</span>, <span class="stringliteral">"dump link statistics"</span>);
<a name="l00045"></a>00045 add_to_help(<span class="stringliteral">"names"</span>, <span class="stringliteral">"print a list of existing link names"</span>);
<a name="l00046"></a>00046 add_to_help(<span class="stringliteral">"dump <name?>"</span>, <span class="stringliteral">"print the list of existing links or "</span>
<a name="l00047"></a>00047 <span class="stringliteral">"detailed info about a single link"</span>);
<a name="l00048"></a>00048 add_to_help(<span class="stringliteral">"reconfigure <name> <opt=val> <opt2=val2>..."</span>,
<a name="l00049"></a>00049 <span class="stringliteral">"configure link options after initialization "</span>
<a name="l00050"></a>00050 <span class="stringliteral">"(not all options support this feature)"</span>);
<a name="l00051"></a>00051 add_to_help(<span class="stringliteral">"set_cl_defaults <cl> <opt=val> <opt2=val2>..."</span>,
<a name="l00052"></a>00052 <span class="stringliteral">"configure convergence layer specific default options"</span>);
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keywordtype">int</span>
<a name="l00056"></a><a class="code" href="classdtn_1_1LinkCommand.html#b2084df741e78d87a0692b0e593546ec">00056</a> <a class="code" href="classdtn_1_1LinkCommand.html#b2084df741e78d87a0692b0e593546ec" title="Virtual from CommandModule.">LinkCommand::exec</a>(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>** argv, Tcl_Interp* interp)
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058 (void)interp;
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordflow">if</span> (argc < 2) {
<a name="l00061"></a>00061 resultf(<span class="stringliteral">"need a link subcommand"</span>);
<a name="l00062"></a>00062 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keyword">const</span> <span class="keywordtype">char</span>* cmd = argv[1];
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keywordflow">if</span> (strcmp(cmd, <span class="stringliteral">"add"</span>) == 0) {
<a name="l00068"></a>00068 <span class="comment">// link add <name> <nexthop> <type> <clayer> <args></span>
<a name="l00069"></a>00069 <span class="keywordflow">if</span> (argc < 6) {
<a name="l00070"></a>00070 wrong_num_args(argc, argv, 2, 6, INT_MAX);
<a name="l00071"></a>00071 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">const</span> <span class="keywordtype">char</span>* name = argv[2];
<a name="l00075"></a>00075 <span class="keyword">const</span> <span class="keywordtype">char</span>* nexthop = argv[3];
<a name="l00076"></a>00076 <span class="keyword">const</span> <span class="keywordtype">char</span>* type_str = argv[4];
<a name="l00077"></a>00077 <span class="keyword">const</span> <span class="keywordtype">char</span>* cl_str = argv[5];
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="comment">// validate the link type, make sure there's no link of the</span>
<a name="l00080"></a>00080 <span class="comment">// same name, and validate the convergence layer</span>
<a name="l00081"></a>00081 <a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61e" title="Valid types for a link.">Link::link_type_t</a> type = <a class="code" href="classdtn_1_1Link.html#fbe02d3b95149fd1fcf9d08f0d4a3518">Link::str_to_link_type</a>(type_str);
<a name="l00082"></a>00082 <span class="keywordflow">if</span> (type == <a class="code" href="classdtn_1_1Link.html#a93653796d33692c67c415afd1edf61e16f74d8b58f067027e718650590deef1">Link::LINK_INVALID</a>) {
<a name="l00083"></a>00083 resultf(<span class="stringliteral">"invalid link type %s"</span>, type_str);
<a name="l00084"></a>00084 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <a class="code" href="classdtn_1_1ConvergenceLayer.html" title="The abstract interface for a convergence layer.">ConvergenceLayer</a>* cl = <a class="code" href="classdtn_1_1ConvergenceLayer.html#6259b19bef1dd17295030b33c44c29d0" title="Find the appropriate convergence layer for the given string.">ConvergenceLayer::find_clayer</a>(cl_str);
<a name="l00088"></a>00088 <span class="keywordflow">if</span> (!cl) {
<a name="l00089"></a>00089 resultf(<span class="stringliteral">"invalid convergence layer %s"</span>, cl_str);
<a name="l00090"></a>00090 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="comment">// Create the link, parsing the cl-specific next hop string</span>
<a name="l00094"></a>00094 <span class="comment">// and other arguments</span>
<a name="l00095"></a>00095 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link;
<a name="l00096"></a>00096 <span class="keyword">const</span> <span class="keywordtype">char</span>* invalid_arg = <span class="stringliteral">"(unknown)"</span>;
<a name="l00097"></a>00097 link = <a class="code" href="classdtn_1_1Link.html#caf84c89199fccadfaecfc85a46d96f7" title="Static function to create appropriate link object from link type.">Link::create_link</a>(name, type, cl, nexthop, argc - 6, &argv[6],
<a name="l00098"></a>00098 &invalid_arg);
<a name="l00099"></a>00099 <span class="keywordflow">if</span> (link == NULL) {
<a name="l00100"></a>00100 resultf(<span class="stringliteral">"invalid link option: %s"</span>, invalid_arg);
<a name="l00101"></a>00101 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="comment">// Add the link to contact manager's table if it is not already</span>
<a name="l00105"></a>00105 <span class="comment">// present. The contact manager will post a LinkCreatedEvent to</span>
<a name="l00106"></a>00106 <span class="comment">// the daemon if the link is added successfully.</span>
<a name="l00107"></a>00107 <span class="keywordflow">if</span> (!BundleDaemon::instance()->contactmgr()->add_new_link(link)) {
<a name="l00108"></a>00108 <span class="comment">// A link of that name already exists</span>
<a name="l00109"></a>00109 link->delete_link();
<a name="l00110"></a>00110 resultf(<span class="stringliteral">"link name %s already exists, use different name"</span>, name);
<a name="l00111"></a>00111 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113 <span class="keywordflow">return</span> TCL_OK;
<a name="l00114"></a>00114
<a name="l00115"></a>00115 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(cmd, <span class="stringliteral">"reconfigure"</span>) == 0) {
<a name="l00116"></a>00116 <span class="comment">// link set_option <name> <opt=val> <opt2=val2>...</span>
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (argc < 4) {
<a name="l00118"></a>00118 wrong_num_args(argc, argv, 2, 4, INT_MAX);
<a name="l00119"></a>00119 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="keyword">const</span> <span class="keywordtype">char</span>* name = argv[2];
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link = BundleDaemon::instance()->contactmgr()->find_link(name);
<a name="l00125"></a>00125 <span class="keywordflow">if</span> (link == NULL) {
<a name="l00126"></a>00126 resultf(<span class="stringliteral">"link %s doesn't exist"</span>, name);
<a name="l00127"></a>00127 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
<a name="l00130"></a>00130 argc -= 3;
<a name="l00131"></a>00131 argv += 3;
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="keyword">const</span> <span class="keywordtype">char</span>* invalid;
<a name="l00134"></a>00134 <span class="keywordtype">int</span> <a class="code" href="dtnping_8c.html#d43c3812e6d13e0518d9f8b8f463ffcf">count</a> = link->parse_args(argc, argv, &invalid);
<a name="l00135"></a>00135 <span class="keywordflow">if</span> (count == -1) {
<a name="l00136"></a>00136 resultf(<span class="stringliteral">"invalid link option: %s"</span>, invalid);
<a name="l00137"></a>00137 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00138"></a>00138 }
<a name="l00139"></a>00139 argc -= count;
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="keywordflow">if</span> (!link->reconfigure_link(argc, argv)) {
<a name="l00142"></a>00142 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="keywordflow">return</span> TCL_OK;
<a name="l00146"></a>00146
<a name="l00147"></a>00147 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(cmd, <span class="stringliteral">"open"</span>) == 0) {
<a name="l00148"></a>00148 <span class="comment">// link open <name></span>
<a name="l00149"></a>00149 <span class="keywordflow">if</span> (argc != 3) {
<a name="l00150"></a>00150 wrong_num_args(argc, argv, 2, 3, 3);
<a name="l00151"></a>00151 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="keyword">const</span> <span class="keywordtype">char</span>* name = argv[2];
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link = BundleDaemon::instance()->contactmgr()->find_link(name);
<a name="l00157"></a>00157 <span class="keywordflow">if</span> (link == NULL) {
<a name="l00158"></a>00158 resultf(<span class="stringliteral">"link %s doesn't exist"</span>, name);
<a name="l00159"></a>00159 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161
<a name="l00162"></a>00162 <span class="keywordflow">if</span> (link->isopen()) {
<a name="l00163"></a>00163 resultf(<span class="stringliteral">"link %s already open"</span>, name);
<a name="l00164"></a>00164 <span class="keywordflow">return</span> TCL_OK;
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <span class="comment">// XXX/TODO should change all these to post_and_wait</span>
<a name="l00168"></a>00168 <a class="code" href="classdtn_1_1BundleDaemon.html#370a80f7dd9fd9297e76d7f830d737a8" title="Queues the event at the tail of the queue for processing by the daemon thread.">BundleDaemon::post</a>(<span class="keyword">new</span> <a class="code" href="classdtn_1_1LinkStateChangeRequest.html" title="Request class for link state change requests that are sent to the daemon thread for...">LinkStateChangeRequest</a>(link, <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a3ec7a744ed0ed07ccb2b255a0d76192c8" title="A convergence layer session has been established, and the link has capacity for a...">Link::OPEN</a>,
<a name="l00169"></a>00169 <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f72e449a76cefd484940a3f3bfc07d188e" title="User action (i.e. console / config).">ContactEvent::USER</a>));
<a name="l00170"></a>00170
<a name="l00171"></a>00171 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(cmd, <span class="stringliteral">"close"</span>) == 0) {
<a name="l00172"></a>00172 <span class="comment">// link close <name></span>
<a name="l00173"></a>00173 <span class="keywordflow">if</span> (argc != 3) {
<a name="l00174"></a>00174 wrong_num_args(argc, argv, 2, 3, 3);
<a name="l00175"></a>00175 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="keyword">const</span> <span class="keywordtype">char</span>* name = argv[2];
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link = BundleDaemon::instance()->contactmgr()->find_link(name);
<a name="l00181"></a>00181 <span class="keywordflow">if</span> (link == NULL) {
<a name="l00182"></a>00182 resultf(<span class="stringliteral">"link %s doesn't exist"</span>, name);
<a name="l00183"></a>00183 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00184"></a>00184 }
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="keywordflow">if</span> (! link->isopen() && ! link->isopening()) {
<a name="l00187"></a>00187 resultf(<span class="stringliteral">"link %s already closed"</span>, name);
<a name="l00188"></a>00188 <span class="keywordflow">return</span> TCL_OK;
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190
<a name="l00191"></a>00191 BundleDaemon::instance()->post(
<a name="l00192"></a>00192 <span class="keyword">new</span> <a class="code" href="classdtn_1_1LinkStateChangeRequest.html" title="Request class for link state change requests that are sent to the daemon thread for...">LinkStateChangeRequest</a>(link, <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a32e48e0c707487f143c54dd1cd5185323" title="Bogus state that&#39;s never actually used in the Link state_ variable, but is used...">Link::CLOSED</a>,
<a name="l00193"></a>00193 <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f72e449a76cefd484940a3f3bfc07d188e" title="User action (i.e. console / config).">ContactEvent::USER</a>));
<a name="l00194"></a>00194
<a name="l00195"></a>00195 <span class="keywordflow">return</span> TCL_OK;
<a name="l00196"></a>00196
<a name="l00197"></a>00197 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(cmd, <span class="stringliteral">"delete"</span>) == 0) {
<a name="l00198"></a>00198 <span class="comment">// link delete <name></span>
<a name="l00199"></a>00199 <span class="keywordflow">if</span> (argc != 3) {
<a name="l00200"></a>00200 wrong_num_args(argc, argv, 2, 3, 3);
<a name="l00201"></a>00201 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203
<a name="l00204"></a>00204 <span class="keyword">const</span> <span class="keywordtype">char</span> * name = argv[2];
<a name="l00205"></a>00205
<a name="l00206"></a>00206 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link = BundleDaemon::instance()->contactmgr()->find_link(name);
<a name="l00207"></a>00207 <span class="keywordflow">if</span> (link == NULL) {
<a name="l00208"></a>00208 resultf(<span class="stringliteral">"link %s doesn't exist"</span>, name);
<a name="l00209"></a>00209 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211
<a name="l00212"></a>00212 BundleDaemon::instance()->post(<span class="keyword">new</span> <a class="code" href="classdtn_1_1LinkDeleteRequest.html" title="Event class for requesting deletion of a link.">LinkDeleteRequest</a>(link));
<a name="l00213"></a>00213 <span class="keywordflow">return</span> TCL_OK;
<a name="l00214"></a>00214
<a name="l00215"></a>00215 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(cmd, <span class="stringliteral">"set_available"</span>) == 0) {
<a name="l00216"></a>00216 <span class="comment">// link set_available <name> <true|false></span>
<a name="l00217"></a>00217 <span class="keywordflow">if</span> (argc != 4) {
<a name="l00218"></a>00218 wrong_num_args(argc, argv, 2, 4, 4);
<a name="l00219"></a>00219 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221
<a name="l00222"></a>00222 <span class="keyword">const</span> <span class="keywordtype">char</span>* name = argv[2];
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link = BundleDaemon::instance()->contactmgr()->find_link(name);
<a name="l00225"></a>00225 <span class="keywordflow">if</span> (link == NULL) {
<a name="l00226"></a>00226 resultf(<span class="stringliteral">"link %s doesn't exist"</span>, name);
<a name="l00227"></a>00227 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229
<a name="l00230"></a>00230 <span class="keywordtype">int</span> <a class="code" href="num2sdnv_8c.html#fed088663f8704004425cdae2120b9b3">len</a> = strlen(argv[3]);
<a name="l00231"></a>00231 <span class="keywordtype">bool</span> set_available;
<a name="l00232"></a>00232
<a name="l00233"></a>00233 <span class="keywordflow">if</span> (strncmp(argv[3], <span class="stringliteral">"1"</span>, len) == 0) {
<a name="l00234"></a>00234 set_available = <span class="keyword">true</span>;
<a name="l00235"></a>00235 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strncmp(argv[3], <span class="stringliteral">"0"</span>, len) == 0) {
<a name="l00236"></a>00236 set_available = <span class="keyword">false</span>;
<a name="l00237"></a>00237 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strncasecmp(argv[3], <span class="stringliteral">"true"</span>, len) == 0) {
<a name="l00238"></a>00238 set_available = <span class="keyword">true</span>;
<a name="l00239"></a>00239 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strncasecmp(argv[3], <span class="stringliteral">"false"</span>, len) == 0) {
<a name="l00240"></a>00240 set_available = <span class="keyword">false</span>;
<a name="l00241"></a>00241 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strncasecmp(argv[3], <span class="stringliteral">"on"</span>, len) == 0) {
<a name="l00242"></a>00242 set_available = <span class="keyword">true</span>;
<a name="l00243"></a>00243 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strncasecmp(argv[3], <span class="stringliteral">"off"</span>, len) == 0) {
<a name="l00244"></a>00244 set_available = <span class="keyword">false</span>;
<a name="l00245"></a>00245 } <span class="keywordflow">else</span> {
<a name="l00246"></a>00246 resultf(<span class="stringliteral">"error converting argument %s to boolean value"</span>, argv[3]);
<a name="l00247"></a>00247 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <span class="keywordflow">if</span> (set_available) {
<a name="l00251"></a>00251 <span class="keywordflow">if</span> (link->state() != <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a3fcb80aea04644bdc565b13fa371b2e1e" title="The link is closed and not able to be opened currently.">Link::UNAVAILABLE</a>) {
<a name="l00252"></a>00252 resultf(<span class="stringliteral">"link %s already in state %s"</span>,
<a name="l00253"></a>00253 name, <a class="code" href="classdtn_1_1Link.html#9681a1ea52ef3c5db6dcf37b04e5c280" title="Convert a link state into a string.">Link::state_to_str</a>(link->state()));
<a name="l00254"></a>00254 <span class="keywordflow">return</span> TCL_OK;
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <a class="code" href="classdtn_1_1BundleDaemon.html#370a80f7dd9fd9297e76d7f830d737a8" title="Queues the event at the tail of the queue for processing by the daemon thread.">BundleDaemon::post</a>(
<a name="l00258"></a>00258 <span class="keyword">new</span> <a class="code" href="classdtn_1_1LinkStateChangeRequest.html" title="Request class for link state change requests that are sent to the daemon thread for...">LinkStateChangeRequest</a>(link, <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a36a3d11409342e7987b0ffe9c532d6e51" title="The link is closed but is able to be opened, either because it is an on demand link...">Link::AVAILABLE</a>,
<a name="l00259"></a>00259 <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f72e449a76cefd484940a3f3bfc07d188e" title="User action (i.e. console / config).">ContactEvent::USER</a>));
<a name="l00260"></a>00260
<a name="l00261"></a>00261 <span class="keywordflow">return</span> TCL_OK;
<a name="l00262"></a>00262
<a name="l00263"></a>00263 } <span class="keywordflow">else</span> { <span class="comment">// ! set_available</span>
<a name="l00264"></a>00264 <span class="keywordflow">if</span> (link->state() != <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a36a3d11409342e7987b0ffe9c532d6e51" title="The link is closed but is able to be opened, either because it is an on demand link...">Link::AVAILABLE</a>) {
<a name="l00265"></a>00265 resultf(<span class="stringliteral">"link %s can't be set unavailable in state %s"</span>,
<a name="l00266"></a>00266 name, <a class="code" href="classdtn_1_1Link.html#9681a1ea52ef3c5db6dcf37b04e5c280" title="Convert a link state into a string.">Link::state_to_str</a>(link->state()));
<a name="l00267"></a>00267 <span class="keywordflow">return</span> TCL_OK;
<a name="l00268"></a>00268 }
<a name="l00269"></a>00269
<a name="l00270"></a>00270 <a class="code" href="classdtn_1_1BundleDaemon.html#370a80f7dd9fd9297e76d7f830d737a8" title="Queues the event at the tail of the queue for processing by the daemon thread.">BundleDaemon::post</a>(
<a name="l00271"></a>00271 <span class="keyword">new</span> <a class="code" href="classdtn_1_1LinkStateChangeRequest.html" title="Request class for link state change requests that are sent to the daemon thread for...">LinkStateChangeRequest</a>(link, <a class="code" href="classdtn_1_1Link.html#1bf2479a21276737f73204a3c46508a3fcb80aea04644bdc565b13fa371b2e1e" title="The link is closed and not able to be opened currently.">Link::UNAVAILABLE</a>,
<a name="l00272"></a>00272 <a class="code" href="classdtn_1_1ContactEvent.html#e20f7357509a2bcca3d8e6c8daf552f72e449a76cefd484940a3f3bfc07d188e" title="User action (i.e. console / config).">ContactEvent::USER</a>));
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="keywordflow">return</span> TCL_OK;
<a name="l00275"></a>00275 }
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((strcmp(cmd, <span class="stringliteral">"state"</span>) == 0) ||
<a name="l00278"></a>00278 (strcmp(cmd, <span class="stringliteral">"stats"</span>) == 0))
<a name="l00279"></a>00279 {
<a name="l00280"></a>00280 <span class="comment">// link state <name></span>
<a name="l00281"></a>00281 <span class="comment">// link stats <name></span>
<a name="l00282"></a>00282 <span class="keywordflow">if</span> (argc != 3) {
<a name="l00283"></a>00283 wrong_num_args(argc, argv, 2, 3, 3);
<a name="l00284"></a>00284 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00285"></a>00285 }
<a name="l00286"></a>00286
<a name="l00287"></a>00287 <span class="keyword">const</span> <span class="keywordtype">char</span>* name = argv[2];
<a name="l00288"></a>00288
<a name="l00289"></a>00289 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link = BundleDaemon::instance()->contactmgr()->find_link(name);
<a name="l00290"></a>00290 <span class="keywordflow">if</span> (link == NULL) {
<a name="l00291"></a>00291 resultf(<span class="stringliteral">"link %s doesn't exist"</span>, name);
<a name="l00292"></a>00292 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294
<a name="l00295"></a>00295 <span class="keywordflow">if</span> (strcmp(cmd, <span class="stringliteral">"state"</span>) == 0) {
<a name="l00296"></a>00296 resultf(<span class="stringliteral">"%s"</span>, <a class="code" href="classdtn_1_1Link.html#9681a1ea52ef3c5db6dcf37b04e5c280" title="Convert a link state into a string.">Link::state_to_str</a>(link->state()));
<a name="l00297"></a>00297 } <span class="keywordflow">else</span> {
<a name="l00298"></a>00298 oasys::StringBuffer <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>;
<a name="l00299"></a>00299 link->dump_stats(&buf);
<a name="l00300"></a>00300 set_result(buf.c_str());
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302 <span class="keywordflow">return</span> TCL_OK;
<a name="l00303"></a>00303 }
<a name="l00304"></a>00304 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(cmd, <span class="stringliteral">"names"</span>) == 0)
<a name="l00305"></a>00305 {
<a name="l00306"></a>00306 <span class="comment">// link names</span>
<a name="l00307"></a>00307 <span class="keywordflow">if</span> (argc != 2) {
<a name="l00308"></a>00308 wrong_num_args(argc, argv, 2, 2, 2);
<a name="l00309"></a>00309 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00310"></a>00310 }
<a name="l00311"></a>00311
<a name="l00312"></a>00312 <a class="code" href="classdtn_1_1ContactManager.html" title="A contact manager class.">ContactManager</a>* cm = BundleDaemon::instance()->contactmgr();
<a name="l00313"></a>00313 oasys::ScopeLock l(cm-><a class="code" href="classdtn_1_1ContactManager.html#6edebce9cf6080f854039f8df593cfec" title="Accessor for the ContactManager internal lock.">lock</a>(), <span class="stringliteral">"LinkCommand::exec"</span>);
<a name="l00314"></a>00314
<a name="l00315"></a>00315 <span class="keyword">const</span> <a class="code" href="classdtn_1_1LinkSet.html" title="Set of links.">LinkSet</a>* links = cm-><a class="code" href="classdtn_1_1ContactManager.html#957c6cfac0575444e0a9a04a12708cf6" title="Return the list of links.">links</a>();
<a name="l00316"></a>00316 <span class="keywordflow">for</span> (LinkSet::const_iterator i = links->begin();
<a name="l00317"></a>00317 i != links->end(); ++i)
<a name="l00318"></a>00318 {
<a name="l00319"></a>00319 append_resultf(<span class="stringliteral">"%s\n"</span>, (*i)->name());
<a name="l00320"></a>00320 }
<a name="l00321"></a>00321 <span class="keywordflow">return</span> TCL_OK;
<a name="l00322"></a>00322 }
<a name="l00323"></a>00323 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(cmd, <span class="stringliteral">"dump"</span>) == 0)
<a name="l00324"></a>00324 {
<a name="l00325"></a>00325 <span class="comment">// link dump <name?></span>
<a name="l00326"></a>00326 <span class="keywordflow">if</span> (argc == 2) {
<a name="l00327"></a>00327 <a class="code" href="classdtn_1_1ContactManager.html" title="A contact manager class.">ContactManager</a>* cm = BundleDaemon::instance()->contactmgr();
<a name="l00328"></a>00328 oasys::ScopeLock l(cm-><a class="code" href="classdtn_1_1ContactManager.html#6edebce9cf6080f854039f8df593cfec" title="Accessor for the ContactManager internal lock.">lock</a>(), <span class="stringliteral">"LinkCommand::exec"</span>);
<a name="l00329"></a>00329
<a name="l00330"></a>00330 <span class="keyword">const</span> <a class="code" href="classdtn_1_1LinkSet.html" title="Set of links.">LinkSet</a>* links = cm-><a class="code" href="classdtn_1_1ContactManager.html#957c6cfac0575444e0a9a04a12708cf6" title="Return the list of links.">links</a>();
<a name="l00331"></a>00331 <span class="keywordflow">for</span> (LinkSet::const_iterator i = links->begin();
<a name="l00332"></a>00332 i != links->end(); ++i)
<a name="l00333"></a>00333 {
<a name="l00334"></a>00334 append_resultf(<span class="stringliteral">"*%p\n"</span>, (*i).object());
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (argc == 3) {
<a name="l00337"></a>00337 <span class="keyword">const</span> <span class="keywordtype">char</span>* name = argv[2];
<a name="l00338"></a>00338
<a name="l00339"></a>00339 <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a> link =
<a name="l00340"></a>00340 BundleDaemon::instance()->contactmgr()->find_link(name);
<a name="l00341"></a>00341 <span class="keywordflow">if</span> (link == NULL) {
<a name="l00342"></a>00342 resultf(<span class="stringliteral">"link %s doesn't exist"</span>, name);
<a name="l00343"></a>00343 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345
<a name="l00346"></a>00346 oasys::StringBuffer <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>;
<a name="l00347"></a>00347 link->dump(&buf);
<a name="l00348"></a>00348 set_result(buf.c_str());
<a name="l00349"></a>00349 <span class="keywordflow">return</span> TCL_OK;
<a name="l00350"></a>00350 } <span class="keywordflow">else</span> {
<a name="l00351"></a>00351 wrong_num_args(argc, argv, 2, 2, 3);
<a name="l00352"></a>00352 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354 }
<a name="l00355"></a>00355 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(cmd, <span class="stringliteral">"set_cl_defaults"</span>) == 0)
<a name="l00356"></a>00356 {
<a name="l00357"></a>00357 <span class="comment">// link set_cl_defaults <cl> <opt=val> <opt2=val2> ...</span>
<a name="l00358"></a>00358 <span class="keywordflow">if</span> (argc < 4) {
<a name="l00359"></a>00359 wrong_num_args(argc, argv, 2, 4, INT_MAX);
<a name="l00360"></a>00360 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00361"></a>00361 }
<a name="l00362"></a>00362
<a name="l00363"></a>00363 <a class="code" href="classdtn_1_1ConvergenceLayer.html" title="The abstract interface for a convergence layer.">ConvergenceLayer</a>* cl = <a class="code" href="classdtn_1_1ConvergenceLayer.html#6259b19bef1dd17295030b33c44c29d0" title="Find the appropriate convergence layer for the given string.">ConvergenceLayer::find_clayer</a>(argv[2]);
<a name="l00364"></a>00364 <span class="keywordflow">if</span> (cl == NULL) {
<a name="l00365"></a>00365 resultf(<span class="stringliteral">"unknown convergence layer %s"</span>, argv[2]);
<a name="l00366"></a>00366 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00367"></a>00367 }
<a name="l00368"></a>00368
<a name="l00369"></a>00369 <span class="keyword">const</span> <span class="keywordtype">char</span>* invalid;
<a name="l00370"></a>00370 <span class="keywordflow">if</span> (!cl-><a class="code" href="classdtn_1_1ConvergenceLayer.html#f879432d5d270c7c5f533adfbfaf61cf" title="Set default link options.">set_link_defaults</a>(argc - 3, &argv[3], &invalid)) {
<a name="l00371"></a>00371 resultf(<span class="stringliteral">"invalid link option: %s"</span>, invalid);
<a name="l00372"></a>00372 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00373"></a>00373 }
<a name="l00374"></a>00374
<a name="l00375"></a>00375 <span class="keywordflow">return</span> TCL_OK;
<a name="l00376"></a>00376 }
<a name="l00377"></a>00377 <span class="keywordflow">else</span>
<a name="l00378"></a>00378 {
<a name="l00379"></a>00379 resultf(<span class="stringliteral">"unimplemented link subcommand %s"</span>, cmd);
<a name="l00380"></a>00380 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382
<a name="l00383"></a>00383 <span class="keywordflow">return</span> TCL_OK;
<a name="l00384"></a>00384 }
<a name="l00385"></a>00385
<a name="l00386"></a>00386 } <span class="comment">// namespace dtn</span>
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Fri Jan 30 09:26:57 2009 for DTN Reference Implementation by
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