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distrib > Mandriva > 2010.0 > i586 > media > contrib-release > by-pkgid > 29c369053a983cc5d8c880dc6e0a2237 > files > 82

libdtn-devel-2.6.0-2mdv2009.1.i586.rpm

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<h1>BonjourDiscovery.cc</h1><a href="BonjourDiscovery_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 &lt;<a class="code" href="dtn-config_8h.html">dtn-config.h</a>&gt;</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">#ifdef OASYS_BONJOUR_ENABLED</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="BonjourDiscovery_8h.html">BonjourDiscovery.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="BundleDaemon_8h.html">bundling/BundleDaemon.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="TCPConvergenceLayer_8h.html">conv_layers/TCPConvergenceLayer.h</a>"</span>
<a name="l00026"></a>00026 
<a name="l00027"></a>00027 <span class="preprocessor">#define ADDRESS_KEY "local_eid"</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span>
<a name="l00029"></a>00029 <span class="keyword">namespace </span>dtn {
<a name="l00030"></a>00030 
<a name="l00031"></a>00031 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00032"></a>00032 BonjourDiscovery::BonjourDiscovery(<span class="keyword">const</span> std::string&amp; name)
<a name="l00033"></a>00033     : Discovery(name, <span class="stringliteral">"bonjour"</span>),
<a name="l00034"></a>00034       oasys::Thread(<span class="stringliteral">"BonjourDiscovery"</span>),
<a name="l00035"></a>00035       notifier_(<span class="stringliteral">"/dtn/discovery/bonjour"</span>),
<a name="l00036"></a>00036       shutdown_(false)
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039 
<a name="l00040"></a>00040 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00041"></a>00041 BonjourDiscovery::~BonjourDiscovery()
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043     <span class="comment">// XXX/demmer call DNSServiceRefDeallocate??</span>
<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">bool</span>
<a name="l00048"></a>00048 BonjourDiscovery::configure(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[])
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050     (void)argc;
<a name="l00051"></a>00051     (void)argv;
<a name="l00052"></a>00052 
<a name="l00053"></a>00053     start();
<a name="l00054"></a>00054     <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056 
<a name="l00057"></a>00057 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00058"></a>00058 <span class="keywordtype">void</span>
<a name="l00059"></a>00059 BonjourDiscovery::shutdown()
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061     shutdown_ = <span class="keyword">true</span>;
<a name="l00062"></a>00062     notifier_.notify();
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064 
<a name="l00065"></a>00065 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00066"></a>00066 <span class="keywordtype">void</span>
<a name="l00067"></a>00067 BonjourDiscovery::run()
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069     DNSServiceRef register_svc, browse_svc;
<a name="l00070"></a>00070     DNSServiceErrorType err;
<a name="l00071"></a>00071 
<a name="l00072"></a>00072     <span class="keyword">const</span> EndpointID&amp; local_eid = BundleDaemon::instance()-&gt;local_eid();
<a name="l00073"></a>00073     <span class="keywordtype">char</span> txt[255];
<a name="l00074"></a>00074     TXTRecordRef record;
<a name="l00075"></a>00075     TXTRecordCreate(&amp;record, 255, &amp;txt);
<a name="l00076"></a>00076     err = TXTRecordSetValue(&amp;record, ADDRESS_KEY, local_eid.length(), local_eid.data());
<a name="l00077"></a>00077 
<a name="l00078"></a>00078     <span class="keywordflow">if</span> (err != kDNSServiceErr_NoError) {
<a name="l00079"></a>00079         log_err(<span class="stringliteral">"KURTIS error in DNSServiceRegister: %s"</span>, dns_service_strerror(err));
<a name="l00080"></a>00080         <span class="keywordflow">return</span>;
<a name="l00081"></a>00081     }
<a name="l00082"></a>00082 
<a name="l00083"></a>00083     <span class="comment">// call DNSServiceRegister to announce the tcp service listening</span>
<a name="l00084"></a>00084     <span class="comment">// on the default port</span>
<a name="l00085"></a>00085     err = DNSServiceRegister(&amp;register_svc,
<a name="l00086"></a>00086                              0 <span class="comment">/* interface */</span>,
<a name="l00087"></a>00087                              0 <span class="comment">/* flags */</span>,
<a name="l00088"></a>00088                              NULL <span class="comment">/* name */</span>,
<a name="l00089"></a>00089                              <span class="stringliteral">"_dtn._tcp"</span> <span class="comment">/* regtype */</span>,
<a name="l00090"></a>00090                              NULL <span class="comment">/* domain */</span>,
<a name="l00091"></a>00091                              NULL <span class="comment">/* host */</span>,
<a name="l00092"></a>00092                              htons(<a class="code" href="classdtn_1_1TCPConvergenceLayer.html#cebde3c0927aac1d486255abe224873b" title="Default port used by the tcp cl.">TCPConvergenceLayer::TCPCL_DEFAULT_PORT</a>),
<a name="l00093"></a>00093                              TXTRecordGetLength(&amp;record) <span class="comment">/* txtLen */</span>,
<a name="l00094"></a>00094                              TXTRecordGetBytesPtr(&amp;record) <span class="comment">/* txtRecord */</span>,
<a name="l00095"></a>00095                              register_reply_callback <span class="comment">/* callback */</span>,
<a name="l00096"></a>00096                              <span class="keyword">this</span> <span class="comment">/* context */</span>);
<a name="l00097"></a>00097 
<a name="l00098"></a>00098     TXTRecordDeallocate(&amp;record);
<a name="l00099"></a>00099 
<a name="l00100"></a>00100     <span class="keywordflow">if</span> (err != kDNSServiceErr_NoError) {
<a name="l00101"></a>00101         log_err(<span class="stringliteral">"error in DNSServiceRegister: %s"</span>, dns_service_strerror(err));
<a name="l00102"></a>00102         <span class="keywordflow">return</span>;
<a name="l00103"></a>00103     }
<a name="l00104"></a>00104 
<a name="l00105"></a>00105     log_notice(<span class="stringliteral">"DNSServiceRegister succeeded"</span>);
<a name="l00106"></a>00106     svc_vec_.push_back(register_svc);
<a name="l00107"></a>00107 
<a name="l00108"></a>00108     <span class="comment">// kick off a browse for other services on the local network</span>
<a name="l00109"></a>00109     err = DNSServiceBrowse(&amp;browse_svc,
<a name="l00110"></a>00110                            0 <span class="comment">/* flags */</span>, 
<a name="l00111"></a>00111                            0 <span class="comment">/* interface */</span>,
<a name="l00112"></a>00112                            <span class="stringliteral">"_dtn._tcp"</span> <span class="comment">/* regtype */</span>, 
<a name="l00113"></a>00113                            NULL <span class="comment">/* domain */</span>,
<a name="l00114"></a>00114                            browse_callback <span class="comment">/* callback */</span>,
<a name="l00115"></a>00115                            <span class="keyword">this</span> <span class="comment">/* context */</span>);
<a name="l00116"></a>00116 
<a name="l00117"></a>00117     <span class="keywordflow">if</span> (err != kDNSServiceErr_NoError) {
<a name="l00118"></a>00118         log_err(<span class="stringliteral">"error in DNSServiceBrowse: %s"</span>, dns_service_strerror(err));
<a name="l00119"></a>00119         <span class="keywordflow">return</span>;
<a name="l00120"></a>00120     }
<a name="l00121"></a>00121 
<a name="l00122"></a>00122     log_notice(<span class="stringliteral">"DNSServiceBrowse succeeded"</span>);
<a name="l00123"></a>00123     svc_vec_.push_back(browse_svc);
<a name="l00124"></a>00124 
<a name="l00125"></a>00125     <span class="keywordtype">int</span> notifier_fd = notifier_.read_fd();
<a name="l00126"></a>00126 
<a name="l00127"></a>00127     <span class="keywordflow">while</span> (1) {
<a name="l00128"></a>00128 retry:
<a name="l00129"></a>00129         <span class="keywordtype">int</span> num_pollfds = svc_vec_.size() + 1;
<a name="l00130"></a>00130         <span class="keyword">struct </span>pollfd pollfds[num_pollfds];
<a name="l00131"></a>00131 
<a name="l00132"></a>00132         <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; num_pollfds - 1; ++i) {
<a name="l00133"></a>00133             pollfds[i].fd = DNSServiceRefSockFD(svc_vec_[i]);
<a name="l00134"></a>00134             <span class="keywordflow">if</span> (pollfds[i].<a class="code" href="dtnperf-client_8c.html#6f8059414f0228f0256115e024eeed4b">fd</a> == -1) {
<a name="l00135"></a>00135                 log_crit(<span class="stringliteral">"DNSServiceRefSockFD failed -- removing svc %d!!"</span>, i);
<a name="l00136"></a>00136                 svc_vec_.erase(svc_vec_.begin() + i);
<a name="l00137"></a>00137                 <span class="keywordflow">goto</span> retry;
<a name="l00138"></a>00138             }
<a name="l00139"></a>00139             pollfds[i].events  = POLLIN;
<a name="l00140"></a>00140             pollfds[i].revents = 0;
<a name="l00141"></a>00141         }
<a name="l00142"></a>00142         
<a name="l00143"></a>00143         pollfds[num_pollfds - 1].fd      = notifier_fd;
<a name="l00144"></a>00144         pollfds[num_pollfds - 1].events  = POLLIN;
<a name="l00145"></a>00145         pollfds[num_pollfds - 1].revents = 0;
<a name="l00146"></a>00146         
<a name="l00147"></a>00147         <span class="keywordtype">int</span> cc = oasys::IO::poll_multiple(pollfds, num_pollfds, -1, NULL,
<a name="l00148"></a>00148                                           logpath_);
<a name="l00149"></a>00149         <span class="keywordflow">if</span> (cc &lt;= 0) {
<a name="l00150"></a>00150             log_err(<span class="stringliteral">"unexpected return from poll_multiple: %d"</span>, cc);
<a name="l00151"></a>00151             <span class="keywordflow">return</span>;
<a name="l00152"></a>00152         }
<a name="l00153"></a>00153 
<a name="l00154"></a>00154         <span class="keywordflow">if</span> (shutdown_) {
<a name="l00155"></a>00155             log_debug(<span class="stringliteral">"shutdown_ bit set, exiting"</span>);
<a name="l00156"></a>00156             <span class="keywordflow">break</span>;
<a name="l00157"></a>00157         }
<a name="l00158"></a>00158 
<a name="l00159"></a>00159         <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; num_pollfds - 1; ++i) {
<a name="l00160"></a>00160             <span class="keywordflow">if</span> (pollfds[i].revents != 0) {
<a name="l00161"></a>00161                 log_debug(<span class="stringliteral">"calling DNSServiceProcessResult for svc %d (fd %d)"</span>,
<a name="l00162"></a>00162                           i, pollfds[i].<a class="code" href="dtnperf-client_8c.html#6f8059414f0228f0256115e024eeed4b">fd</a>);
<a name="l00163"></a>00163                 DNSServiceProcessResult(svc_vec_[i]);
<a name="l00164"></a>00164             }
<a name="l00165"></a>00165         }
<a name="l00166"></a>00166     }
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 
<a name="l00169"></a>00169 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00170"></a>00170 <span class="keyword">const</span> <span class="keywordtype">char</span>*
<a name="l00171"></a>00171 BonjourDiscovery::dns_service_strerror(DNSServiceErrorType err)
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173     <span class="keywordflow">switch</span>(err) {
<a name="l00174"></a>00174     <span class="keywordflow">case</span> kDNSServiceErr_NoError: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NoError"</span>;
<a name="l00175"></a>00175     <span class="keywordflow">case</span> kDNSServiceErr_Unknown: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_Unknown"</span>;
<a name="l00176"></a>00176     <span class="keywordflow">case</span> kDNSServiceErr_NoSuchName: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NoSuchName"</span>;
<a name="l00177"></a>00177     <span class="keywordflow">case</span> kDNSServiceErr_NoMemory: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NoMemory"</span>;
<a name="l00178"></a>00178     <span class="keywordflow">case</span> kDNSServiceErr_BadParam: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_BadParam"</span>;
<a name="l00179"></a>00179     <span class="keywordflow">case</span> kDNSServiceErr_BadReference: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_BadReference"</span>;
<a name="l00180"></a>00180     <span class="keywordflow">case</span> kDNSServiceErr_BadState: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_BadState"</span>;
<a name="l00181"></a>00181     <span class="keywordflow">case</span> kDNSServiceErr_BadFlags: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_BadFlags"</span>;
<a name="l00182"></a>00182     <span class="keywordflow">case</span> kDNSServiceErr_Unsupported: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_Unsupported"</span>;
<a name="l00183"></a>00183     <span class="keywordflow">case</span> kDNSServiceErr_NotInitialized: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NotInitialized"</span>;
<a name="l00184"></a>00184     <span class="keywordflow">case</span> kDNSServiceErr_AlreadyRegistered: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_AlreadyRegistered"</span>;
<a name="l00185"></a>00185     <span class="keywordflow">case</span> kDNSServiceErr_NameConflict: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NameConflict"</span>;
<a name="l00186"></a>00186     <span class="keywordflow">case</span> kDNSServiceErr_Invalid: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_Invalid"</span>;
<a name="l00187"></a>00187     <span class="keywordflow">case</span> kDNSServiceErr_Firewall: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_Firewall"</span>;
<a name="l00188"></a>00188     <span class="keywordflow">case</span> kDNSServiceErr_Incompatible: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_Incompatible"</span>;
<a name="l00189"></a>00189     <span class="keywordflow">case</span> kDNSServiceErr_BadInterfaceIndex: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_BadInterfaceIndex"</span>;
<a name="l00190"></a>00190     <span class="keywordflow">case</span> kDNSServiceErr_Refused: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_Refused"</span>;
<a name="l00191"></a>00191     <span class="keywordflow">case</span> kDNSServiceErr_NoSuchRecord: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NoSuchRecord"</span>;
<a name="l00192"></a>00192     <span class="keywordflow">case</span> kDNSServiceErr_NoAuth: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NoAuth"</span>;
<a name="l00193"></a>00193     <span class="keywordflow">case</span> kDNSServiceErr_NoSuchKey: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NoSuchKey"</span>;
<a name="l00194"></a>00194     <span class="keywordflow">case</span> kDNSServiceErr_NATTraversal: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NATTraversal"</span>;
<a name="l00195"></a>00195     <span class="keywordflow">case</span> kDNSServiceErr_DoubleNAT: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_DoubleNAT"</span>;
<a name="l00196"></a>00196     <span class="keywordflow">case</span> kDNSServiceErr_BadTime: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_BadTime"</span>;
<a name="l00197"></a>00197     <span class="keywordflow">default</span>:
<a name="l00198"></a>00198         <span class="keyword">static</span> <span class="keywordtype">char</span> <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>[32];
<a name="l00199"></a>00199         snprintf(buf, <span class="keyword">sizeof</span>(buf), <span class="stringliteral">"%d"</span>, err);
<a name="l00200"></a>00200         <span class="keywordflow">return</span> buf;
<a name="l00201"></a>00201     }
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203 
<a name="l00204"></a>00204 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00205"></a>00205 <span class="keywordtype">void</span>
<a name="l00206"></a>00206 BonjourDiscovery::remove_svc(DNSServiceRef sdRef)
<a name="l00207"></a>00207 {
<a name="l00208"></a>00208     SvcVector::iterator iter;
<a name="l00209"></a>00209     <span class="keywordflow">for</span> (iter = svc_vec_.begin(); iter != svc_vec_.end(); ++iter) {
<a name="l00210"></a>00210         <span class="keywordflow">if</span> (*iter == sdRef) {
<a name="l00211"></a>00211             svc_vec_.erase(iter);
<a name="l00212"></a>00212             <span class="keywordflow">return</span>;
<a name="l00213"></a>00213         }
<a name="l00214"></a>00214     }
<a name="l00215"></a>00215     
<a name="l00216"></a>00216     log_err(<span class="stringliteral">"remove_svc: can't find sdRef %p in vector!!"</span>, sdRef);
<a name="l00217"></a>00217 }
<a name="l00218"></a>00218 
<a name="l00219"></a>00219 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00220"></a>00220 <span class="keywordtype">void</span>
<a name="l00221"></a>00221 BonjourDiscovery::handle_register_reply(DNSServiceRef sdRef,
<a name="l00222"></a>00222                                         DNSServiceFlags flags,
<a name="l00223"></a>00223                                         DNSServiceErrorType errorCode,
<a name="l00224"></a>00224                                         <span class="keyword">const</span> <span class="keywordtype">char</span> *name,
<a name="l00225"></a>00225                                         <span class="keyword">const</span> <span class="keywordtype">char</span> *regtype,
<a name="l00226"></a>00226                                         <span class="keyword">const</span> <span class="keywordtype">char</span> *domain)
<a name="l00227"></a>00227 {
<a name="l00228"></a>00228     (void)flags;
<a name="l00229"></a>00229     (void)errorCode;
<a name="l00230"></a>00230     (void)name;
<a name="l00231"></a>00231     (void)regtype;
<a name="l00232"></a>00232     (void)domain;
<a name="l00233"></a>00233     
<a name="l00234"></a>00234     log_debug(<span class="stringliteral">"handle_register_reply(%s, %s, %s): %s"</span>,
<a name="l00235"></a>00235               name, regtype, domain, dns_service_strerror(errorCode));
<a name="l00236"></a>00236 
<a name="l00237"></a>00237     remove_svc(sdRef);
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239 
<a name="l00240"></a>00240 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00241"></a>00241 <span class="keywordtype">void</span>
<a name="l00242"></a>00242 BonjourDiscovery::handle_browse(DNSServiceRef sdRef,
<a name="l00243"></a>00243                                 DNSServiceFlags flags, 
<a name="l00244"></a>00244                                 uint32_t interfaceIndex, 
<a name="l00245"></a>00245                                 DNSServiceErrorType errorCode, 
<a name="l00246"></a>00246                                 <span class="keyword">const</span> <span class="keywordtype">char</span> *name, 
<a name="l00247"></a>00247                                 <span class="keyword">const</span> <span class="keywordtype">char</span> *regtype, 
<a name="l00248"></a>00248                                 <span class="keyword">const</span> <span class="keywordtype">char</span> *domain)
<a name="l00249"></a>00249 {
<a name="l00250"></a>00250     (void)sdRef;
<a name="l00251"></a>00251     (void)interfaceIndex;
<a name="l00252"></a>00252 
<a name="l00253"></a>00253     <span class="keywordflow">if</span> (errorCode != kDNSServiceErr_NoError) {
<a name="l00254"></a>00254         log_warn(<span class="stringliteral">"handle_browse(%s, %s, %s): error %s"</span>,
<a name="l00255"></a>00255                  name, regtype, domain, dns_service_strerror(errorCode));
<a name="l00256"></a>00256         <span class="keywordflow">return</span>;
<a name="l00257"></a>00257     }
<a name="l00258"></a>00258 
<a name="l00259"></a>00259     <span class="keywordflow">if</span> (flags &amp; kDNSServiceFlagsAdd) {
<a name="l00260"></a>00260         log_info(<span class="stringliteral">"browse found new entry: %s.%s.%s (if %d) -- setting up resolver"</span>,
<a name="l00261"></a>00261                  name, regtype, domain, interfaceIndex);
<a name="l00262"></a>00262         DNSServiceRef svc;
<a name="l00263"></a>00263         DNSServiceErrorType err;
<a name="l00264"></a>00264 
<a name="l00265"></a>00265         err = DNSServiceResolve(&amp;svc, 0, interfaceIndex, name, regtype, domain,
<a name="l00266"></a>00266                                 (DNSServiceResolveReply)resolve_callback, <span class="keyword">this</span>);
<a name="l00267"></a>00267         <span class="keywordflow">if</span> (err != kDNSServiceErr_NoError) {
<a name="l00268"></a>00268             log_err(<span class="stringliteral">"error in DNSServiceResolve: %s"</span>,
<a name="l00269"></a>00269                     dns_service_strerror(err));
<a name="l00270"></a>00270             <span class="keywordflow">return</span>;
<a name="l00271"></a>00271         }
<a name="l00272"></a>00272         
<a name="l00273"></a>00273         svc_vec_.push_back(svc);
<a name="l00274"></a>00274     } <span class="keywordflow">else</span> {
<a name="l00275"></a>00275         log_info(<span class="stringliteral">"browse found old entry: %s.%s.%s"</span>,
<a name="l00276"></a>00276                  name, regtype, domain);
<a name="l00277"></a>00277     }
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279 
<a name="l00280"></a>00280 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00281"></a>00281 <span class="keywordtype">void</span>
<a name="l00282"></a>00282 BonjourDiscovery::handle_resolve(DNSServiceRef sdRef, 
<a name="l00283"></a>00283                                  DNSServiceFlags flags, 
<a name="l00284"></a>00284                                  uint32_t interfaceIndex, 
<a name="l00285"></a>00285                                  DNSServiceErrorType errorCode, 
<a name="l00286"></a>00286                                  <span class="keyword">const</span> <span class="keywordtype">char</span> *fullname, 
<a name="l00287"></a>00287                                  <span class="keyword">const</span> <span class="keywordtype">char</span> *hosttarget,
<a name="l00288"></a>00288                                  uint16_t port,
<a name="l00289"></a>00289                                  uint16_t txtlen,
<a name="l00290"></a>00290                                  <span class="keyword">const</span> <span class="keywordtype">char</span>* txtRecord)
<a name="l00291"></a>00291 {
<a name="l00292"></a>00292     EndpointID remote_eid;
<a name="l00293"></a>00293     oasys::StaticStringBuffer&lt;64&gt; <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>;
<a name="l00294"></a>00294     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> value_len;
<a name="l00295"></a>00295     <span class="keywordtype">char</span>* value;
<a name="l00296"></a>00296         
<a name="l00297"></a>00297     (void)sdRef;
<a name="l00298"></a>00298     (void)flags;
<a name="l00299"></a>00299     (void)interfaceIndex;
<a name="l00300"></a>00300     
<a name="l00301"></a>00301     <span class="keywordflow">if</span> (errorCode != kDNSServiceErr_NoError) {
<a name="l00302"></a>00302         log_warn(<span class="stringliteral">"handle_resolve(%s, %s): error %s"</span>,
<a name="l00303"></a>00303                  fullname, hosttarget, dns_service_strerror(errorCode));
<a name="l00304"></a>00304         <span class="keywordflow">goto</span> done;
<a name="l00305"></a>00305     }
<a name="l00306"></a>00306 
<a name="l00307"></a>00307     <span class="keywordflow">if</span> (txtlen == 0) {
<a name="l00308"></a>00308         log_warn(<span class="stringliteral">"handle_resolve(%s, %s): zero-length txt record"</span>,
<a name="l00309"></a>00309                fullname, hosttarget);
<a name="l00310"></a>00310         <span class="keywordflow">goto</span> done;
<a name="l00311"></a>00311     }
<a name="l00312"></a>00312 
<a name="l00313"></a>00313     <span class="keywordflow">if</span> (!TXTRecordContainsKey(txtlen, txtRecord, ADDRESS_KEY)){
<a name="l00314"></a>00314         log_warn(<span class="stringliteral">"handle_resolve(%s, %s): no ADDRESS_KEY field found in txt record"</span>,
<a name="l00315"></a>00315                  fullname, hosttarget);
<a name="l00316"></a>00316         <span class="keywordflow">goto</span> done;
<a name="l00317"></a>00317     }
<a name="l00318"></a>00318 
<a name="l00319"></a>00319     value = (<span class="keywordtype">char</span>*) TXTRecordGetValuePtr(txtlen, txtRecord, ADDRESS_KEY, &amp;value_len);
<a name="l00320"></a>00320 
<a name="l00321"></a>00321     remote_eid.assign(value, static_cast&lt;size_t&gt;(value_len));
<a name="l00322"></a>00322     <span class="keywordflow">if</span> (!remote_eid.valid()) {
<a name="l00323"></a>00323         log_warn(<span class="stringliteral">"handle_resolve(%s, %s): %s not a valid eid"</span>,
<a name="l00324"></a>00324                  fullname, hosttarget, remote_eid.c_str());
<a name="l00325"></a>00325         <span class="keywordflow">goto</span> done;
<a name="l00326"></a>00326     }
<a name="l00327"></a>00327 
<a name="l00328"></a>00328     <span class="keywordflow">if</span> (remote_eid.equals(BundleDaemon::instance()-&gt;local_eid())) {
<a name="l00329"></a>00329         log_info(<span class="stringliteral">"handle_resolve(%s, %s): ignoring resolution of local eid %s"</span>,
<a name="l00330"></a>00330                  fullname, hosttarget, remote_eid.c_str());
<a name="l00331"></a>00331         <span class="keywordflow">goto</span> done;
<a name="l00332"></a>00332     }
<a name="l00333"></a>00333     
<a name="l00334"></a>00334     log_debug(<span class="stringliteral">"handle_resolve: name %s host %s port %u txt %s if %d: err %s"</span>,
<a name="l00335"></a>00335               fullname, hosttarget, ntohs(port), remote_eid.c_str(),
<a name="l00336"></a>00336               interfaceIndex, dns_service_strerror(errorCode));
<a name="l00337"></a>00337 
<a name="l00338"></a>00338     buf.appendf(<span class="stringliteral">"%s:%u"</span>, hosttarget, htons(port));
<a name="l00339"></a>00339     
<a name="l00340"></a>00340     <span class="comment">// XXX/demmer in the future this should check for udp as well</span>
<a name="l00341"></a>00341     log_debug(<span class="stringliteral">"calling handle_neighbor_discovered for next hop %s"</span>, buf.c_str());
<a name="l00342"></a>00342     handle_neighbor_discovered(<span class="stringliteral">"tcp"</span>, buf.c_str(), remote_eid);
<a name="l00343"></a>00343     
<a name="l00344"></a>00344 done:
<a name="l00345"></a>00345     remove_svc(sdRef);
<a name="l00346"></a>00346 }
<a name="l00347"></a>00347 
<a name="l00348"></a>00348 } <span class="comment">// namespace dtn</span>
<a name="l00349"></a>00349 
<a name="l00350"></a>00350 <span class="preprocessor">#endif </span><span class="comment">/* OASYS_BONJOUR_ENABLED */</span>
</pre></div></div>
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