<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>DTN Reference Implementation: Session.cc Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"> <link href="doxygen.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.5.8 --> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul> </div> <h1>Session.cc</h1><a href="Session_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 2007 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/Atomic.h></span> <a name="l00022"></a>00022 <a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="Session_8h.html">Session.h</a>"</span> <a name="l00024"></a>00024 <a name="l00025"></a>00025 <span class="keyword">namespace </span>dtn { <a name="l00026"></a>00026 <a name="l00027"></a>00027 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00028"></a><a class="code" href="classdtn_1_1Session.html#fe6268c4ee6a16422b353a4c1b4d5664">00028</a> <a class="code" href="classdtn_1_1Session.html#fe6268c4ee6a16422b353a4c1b4d5664">Session::Session</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1EndpointID.html">EndpointID</a>& eid) <a name="l00029"></a>00029 : <a class="code" href="classoasys_1_1Logger.html">Logger</a>(<span class="stringliteral">"Session"</span>, <span class="stringliteral">"/dtn/session"</span>), <a name="l00030"></a>00030 eid_(eid), <a name="l00031"></a>00031 bundles_(std::string(<span class="stringliteral">"session-"</span>) + eid.str()), <a name="l00032"></a>00032 resubscribe_timer_(NULL) <a name="l00033"></a>00033 { <a name="l00034"></a>00034 <span class="keyword">static</span> oasys::atomic_t next_session_id = 0; <a name="l00035"></a>00035 <a class="code" href="classdtn_1_1Session.html#194a1eafb5c14dea66cd7dcd33be2b82" title="Unique session id (for logging).">id_</a> = oasys::atomic_incr_ret(&next_session_id); <a name="l00036"></a>00036 <a name="l00037"></a>00037 logpath_appendf(<span class="stringliteral">"/%d"</span>, <a class="code" href="classdtn_1_1Session.html#194a1eafb5c14dea66cd7dcd33be2b82" title="Unique session id (for logging).">id_</a>); <a name="l00038"></a>00038 log_info(<span class="stringliteral">"created new session %u for eid %s"</span>, <a class="code" href="classdtn_1_1Session.html#194a1eafb5c14dea66cd7dcd33be2b82" title="Unique session id (for logging).">id_</a>, eid.<a class="code" href="classdtn_1_1EndpointID.html#c9d8a72806359621f4d2850c1e78269c">c_str</a>()); <a name="l00039"></a>00039 } <a name="l00040"></a>00040 <a name="l00041"></a>00041 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00042"></a><a class="code" href="classdtn_1_1Session.html#5e21c3d507e14646639cf10bde0ecd85">00042</a> <a class="code" href="classdtn_1_1Session.html#5e21c3d507e14646639cf10bde0ecd85">Session::~Session</a>() <a name="l00043"></a>00043 { <a name="l00044"></a>00044 } <a name="l00045"></a>00045 <a name="l00046"></a>00046 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00047"></a>00047 <span class="keywordtype">int</span> <a name="l00048"></a><a class="code" href="classdtn_1_1Session.html#96dc0cfc6d7733784b250e7ed3a47476">00048</a> <a class="code" href="classdtn_1_1Session.html#96dc0cfc6d7733784b250e7ed3a47476" title="virtual from Formatter">Session::format</a>(<span class="keywordtype">char</span>* <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>, <span class="keywordtype">size_t</span> sz)<span class="keyword"> const</span> <a name="l00049"></a>00049 <span class="keyword"></span>{ <a name="l00050"></a>00050 <span class="keywordflow">return</span> snprintf(buf, sz, <span class="stringliteral">"session id %u [%s]"</span>, <span class="keywordtype">id</span>(), <a class="code" href="classdtn_1_1Session.html#66224a2445e558bacc56d3977909a6d1">eid</a>().c_str()); <a name="l00051"></a>00051 } <a name="l00052"></a>00052 <a name="l00053"></a>00053 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00054"></a>00054 <span class="keyword">const</span> <span class="keywordtype">char</span>* <a name="l00055"></a><a class="code" href="classdtn_1_1Session.html#f8421d3cc745b485e316195af331fe37">00055</a> <a class="code" href="classdtn_1_1Session.html#f8421d3cc745b485e316195af331fe37" title="Pretty print function for session flags.">Session::flag_str</a>(u_int flags) <a name="l00056"></a>00056 { <a name="l00057"></a>00057 <span class="comment">// XXX/demmer not really flags, but you know...</span> <a name="l00058"></a>00058 <span class="keywordflow">switch</span> (flags) { <a name="l00059"></a>00059 <span class="keywordflow">case</span> 0: <span class="keywordflow">return</span> <span class="stringliteral">"Session::NONE"</span>; <a name="l00060"></a>00060 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1Session.html#a795473f389a203d6e15058da8d9498cadd5836fef35cca7c207e710e8e13239">SUBSCRIBE</a>: <span class="keywordflow">return</span> <span class="stringliteral">"Session::SUBSCRIBE"</span>; <a name="l00061"></a>00061 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1Session.html#a795473f389a203d6e15058da8d9498c8ec080183d9e900330780466c77a30be">RESUBSCRIBE</a>: <span class="keywordflow">return</span> <span class="stringliteral">"Session::RESUBSCRIBE"</span>; <a name="l00062"></a>00062 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1Session.html#a795473f389a203d6e15058da8d9498c8e488d456de6b606d948dde9283e7c67">UNSUBSCRIBE</a>: <span class="keywordflow">return</span> <span class="stringliteral">"Session::UNSUBSCRIBE"</span>; <a name="l00063"></a>00063 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1Session.html#a795473f389a203d6e15058da8d9498c1978e38ca305c80fe009dd50fe24a3be">PUBLISH</a>: <span class="keywordflow">return</span> <span class="stringliteral">"Session::PUBLISH"</span>; <a name="l00064"></a>00064 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1Session.html#a795473f389a203d6e15058da8d9498c1ccfadd042afba693bbcf1e5980667d9">CUSTODY</a>: <span class="keywordflow">return</span> <span class="stringliteral">"Session::CUSTODY"</span>; <a name="l00065"></a>00065 <span class="keywordflow">default</span>: { <a name="l00066"></a>00066 <span class="keyword">static</span> <span class="keywordtype">char</span> <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>[256]; <a name="l00067"></a>00067 snprintf(buf, <span class="keyword">sizeof</span>(buf), <span class="stringliteral">"Session::UNKNOWN(0x%x)"</span>, flags); <a name="l00068"></a>00068 <span class="keywordflow">return</span> buf; <a name="l00069"></a>00069 } <a name="l00070"></a>00070 } <a name="l00071"></a>00071 } <a name="l00072"></a>00072 <a name="l00073"></a>00073 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00074"></a>00074 <span class="keywordtype">void</span> <a name="l00075"></a><a class="code" href="classdtn_1_1Session.html#4226535ee200c42854fb5fd040134dbd">00075</a> <a class="code" href="classdtn_1_1Session.html#4226535ee200c42854fb5fd040134dbd">Session::set_upstream</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1Subscriber.html" title="A subscriber for a session is either a local registration or a next hop destination...">Subscriber</a>& upstream) <a name="l00076"></a>00076 { <a name="l00077"></a>00077 <a class="code" href="classdtn_1_1Session.html#807018061f8e844a2e813dcb7908fbb7" title="Subscriber in direction of a custodian.">upstream_</a> = upstream; <a name="l00078"></a>00078 log_info(<span class="stringliteral">"set_upstream(*%p)"</span>, &<a class="code" href="classdtn_1_1Session.html#807018061f8e844a2e813dcb7908fbb7" title="Subscriber in direction of a custodian.">upstream_</a>); <a name="l00079"></a>00079 <a name="l00080"></a>00080 <a class="code" href="classdtn_1_1Session.html#92b88bd55939a1766a3f2674ce20482c">add_subscriber</a>(upstream); <a name="l00081"></a>00081 } <a name="l00082"></a>00082 <a name="l00083"></a>00083 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00084"></a>00084 <span class="keywordtype">void</span> <a name="l00085"></a><a class="code" href="classdtn_1_1Session.html#92b88bd55939a1766a3f2674ce20482c">00085</a> <a class="code" href="classdtn_1_1Session.html#92b88bd55939a1766a3f2674ce20482c">Session::add_subscriber</a>(<span class="keyword">const</span> <a class="code" href="classdtn_1_1Subscriber.html" title="A subscriber for a session is either a local registration or a next hop destination...">Subscriber</a>& subscriber) <a name="l00086"></a>00086 { <a name="l00087"></a>00087 <span class="keywordflow">if</span> (std::find(<a class="code" href="classdtn_1_1Session.html#eaf2b2040e890ac4668c13095f6f06ad" title="Local + downstream subscribers.">subscribers_</a>.begin(), <a class="code" href="classdtn_1_1Session.html#eaf2b2040e890ac4668c13095f6f06ad" title="Local + downstream subscribers.">subscribers_</a>.end(), subscriber) != <a name="l00088"></a>00088 <a class="code" href="classdtn_1_1Session.html#eaf2b2040e890ac4668c13095f6f06ad" title="Local + downstream subscribers.">subscribers_</a>.end()) <a name="l00089"></a>00089 { <a name="l00090"></a>00090 log_info(<span class="stringliteral">"add_subscriber(*%p): already subscribed"</span>, <a name="l00091"></a>00091 &subscriber); <a name="l00092"></a>00092 <span class="keywordflow">return</span>; <a name="l00093"></a>00093 } <a name="l00094"></a>00094 <a name="l00095"></a>00095 <a class="code" href="classdtn_1_1Session.html#eaf2b2040e890ac4668c13095f6f06ad" title="Local + downstream subscribers.">subscribers_</a>.push_back(subscriber); <a name="l00096"></a>00096 log_info(<span class="stringliteral">"add_subscriber(*%p)"</span>, &subscriber); <a name="l00097"></a>00097 } <a name="l00098"></a>00098 <a name="l00099"></a>00099 } <span class="comment">// namespace dtn</span> </pre></div></div> <hr size="1"><address style="text-align: right;"><small>Generated on Fri Jan 30 09:26:58 2009 for DTN Reference Implementation by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address> </body> </html>