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<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:/cgi-bin/nel-search.cgi" href="/cgi-bin/nel-search.cgi">Search</a> </center>
<hr><h1>naming_client.cpp</h1><a href="naming__client_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00008 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00009 <font class="comment"> *</font>
00010 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00011 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00012 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00013 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00014 <font class="comment"> * any later version.</font>
00015 <font class="comment"></font>
00016 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00017 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00018 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00019 <font class="comment"> * General Public License for more details.</font>
00020 <font class="comment"></font>
00021 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00022 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00023 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00024 <font class="comment"> * MA 02111-1307, USA.</font>
00025 <font class="comment"> */</font>
00026
00027 <font class="comment">//</font>
00028 <font class="comment">// Includes</font>
00029 <font class="comment">//</font>
00030
00031 <font class="preprocessor">#include "<a class="code" href="stdnet_8h.html">stdnet.h</a>"</font>
00032
00033 <font class="preprocessor">#include "<a class="code" href="naming__client_8h.html">nel/net/naming_client.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="callback__client_8h.html">nel/net/callback_client.h</a>"</font>
00035 <font class="preprocessor">#include "<a class="code" href="service_8h.html">nel/net/service.h</a>"</font>
00036
00037
00038 <font class="comment">//</font>
00039 <font class="comment">// Namespaces</font>
00040 <font class="comment">//</font>
00041
00042 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00043 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00044
00045
00046 <font class="keyword">namespace </font>NLNET {
00047
00048 <font class="comment">//</font>
00049 <font class="comment">// Variables</font>
00050 <font class="comment">//</font>
00051
<a name="l00052"></a><a class="code" href="classNLNET_1_1CNamingClient.html#r0">00052</a> CCallbackClient *CNamingClient::_Connection = NULL;
<a name="l00053"></a><a class="code" href="classNLNET_1_1CNamingClient.html#r2">00053</a> CNamingClient::TRegServices CNamingClient::_RegisteredServices;
00054
00055 <font class="keyword">static</font> <a class="code" href="namespaceNLNET.html#a20">TBroadcastCallback</a> <a class="code" href="namespaceNLNET.html#a45">_RegistrationBroadcastCallback</a> = NULL;
00056 <font class="keyword">static</font> <a class="code" href="namespaceNLNET.html#a20">TBroadcastCallback</a> <a class="code" href="namespaceNLNET.html#a46">_UnregistrationBroadcastCallback</a> = NULL;
00057
<a name="l00058"></a><a class="code" href="classNLNET_1_1CNamingClient.html#q0">00058</a> uint CNamingClient::_ThreadId = 0xFFFFFFFF;
00059
<a name="l00060"></a><a class="code" href="classNLNET_1_1CNamingClient.html#r1">00060</a> <a class="code" href="namespaceNLNET.html#a19">TServiceId</a> CNamingClient::_MySId = 0;
00061
00062
<a name="l00063"></a><a class="code" href="classNLNET_1_1CNamingClient.html#r3">00063</a> <a class="code" href="classstd_1_1list.html">std::list<CNamingClient::CServiceEntry></a> CNamingClient::RegisteredServices;
00064 NLMISC::CMutex CNamingClient::RegisteredServicesMutex(<font class="stringliteral">"CNamingClient::RegisteredServicesMutex"</font>);
00065
<a name="l00066"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d17">00066</a> <font class="keywordtype">void</font> CNamingClient::setRegistrationBroadcastCallback (<a class="code" href="namespaceNLNET.html#a20">TBroadcastCallback</a> cb)
00067 {
00068 <a class="code" href="namespaceNLNET.html#a45">_RegistrationBroadcastCallback</a> = cb;
00069 }
00070
<a name="l00071"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d18">00071</a> <font class="keywordtype">void</font> CNamingClient::setUnregistrationBroadcastCallback (<a class="code" href="namespaceNLNET.html#a20">TBroadcastCallback</a> cb)
00072 {
00073 <a class="code" href="namespaceNLNET.html#a46">_UnregistrationBroadcastCallback</a> = cb;
00074 }
00075
00076 <font class="comment">//</font>
00077
00078 <font class="comment">//</font>
00079
00080 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLNET.html#a47">Registered</a>;
00081 <font class="keyword">static</font> <a class="code" href="namespaceNLNET.html#a19">TServiceId</a> <a class="code" href="namespaceNLNET.html#a48">RegisteredSuccess</a>;
00082 <font class="keyword">static</font> <a class="code" href="namespaceNLNET.html#a19">TServiceId</a> *<a class="code" href="namespaceNLNET.html#a49">RegisteredSID</a> = NULL;
00083
00084 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNLNET.html#a107">cbRegister</a> (CMessage &msgin, <a class="code" href="namespaceNLNET.html#a0">TSockId</a> from, CCallbackNetBase &netbase)
00085 {
00086 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="namespaceNLNET.html#a49">RegisteredSID</a> != NULL);
00087
00088 msgin.serial (<a class="code" href="namespaceNLNET.html#a48">RegisteredSuccess</a>);
00089 <font class="keywordflow">if</font> (RegisteredSuccess)
00090 {
00091 msgin.serial (*<a class="code" href="namespaceNLNET.html#a49">RegisteredSID</a>);
00092
00093 <font class="comment">// decode the registered services at the register process</font>
00094 <a class="code" href="namespaceNLNET.html#a109">cbRegisterBroadcast</a> (msgin, from, netbase);
00095 }
00096 <a class="code" href="namespaceNLNET.html#a47">Registered</a> = <font class="keyword">true</font>;
00097 }
00098
00099 <font class="comment">//</font>
00100
00101 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLNET.html#a50">QueryPort</a>;
00102 <font class="keyword">static</font> uint16 <a class="code" href="namespaceNLNET.html#a51">QueryPortPort</a>;
00103
00104 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNLNET.html#a108">cbQueryPort</a> (CMessage &msgin, <a class="code" href="namespaceNLNET.html#a0">TSockId</a> from, CCallbackNetBase &netbase)
00105 {
00106 msgin.serial (<a class="code" href="namespaceNLNET.html#a51">QueryPortPort</a>);
00107 <a class="code" href="namespaceNLNET.html#a50">QueryPort</a> = <font class="keyword">true</font>;
00108 }
00109
00110 <font class="comment">//</font>
00111
00112 <font class="comment">//static bool FirstRegisteredBroadcast;</font>
00113
<a name="l00114"></a><a class="code" href="classNLNET_1_1CNamingClient.html#a109">00114</a> <font class="keywordtype">void</font> <a class="code" href="namespaceNLNET.html#a109">cbRegisterBroadcast</a> (CMessage &msgin, <a class="code" href="namespaceNLNET.html#a0">TSockId</a> from, CCallbackNetBase &netbase)
00115 {
00116 <a class="code" href="namespaceNLNET.html#a19">TServiceId</a> size;
00117 string name;
00118 <a class="code" href="namespaceNLNET.html#a19">TServiceId</a> sid;
00119 vector<CInetAddress> <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>;
00120
00121 msgin.serial (size);
00122
00123 <font class="keywordflow">for</font> (<a class="code" href="namespaceNLNET.html#a19">TServiceId</a> i = 0; i < size; i++)
00124 {
00125 msgin.serial (name);
00126 msgin.serial (sid);
00127 msgin.serialCont (<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>);
00128
00129 <font class="comment">// add it in the list</font>
00130
00131 std::vector<CInetAddress> addrs;
00132 CNamingClient::find (sid, addrs);
00133
00134 <font class="keywordflow">if</font> (addrs.size() == 0)
00135 {
00136 CNamingClient::RegisteredServicesMutex.enter ();
00137 CNamingClient::RegisteredServices.push_back (CNamingClient::CServiceEntry (name, sid, <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>));
00138 CNamingClient::RegisteredServicesMutex.leave ();
00139
00140 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"NC: Registration Broadcast of the service %s-%hu '%s'"</font>, name.c_str(), (uint16)sid, <a class="code" href="namespaceNLNET.html#a82">vectorCInetAddressToString</a>(addr).c_str());
00141
00142 <font class="keywordflow">if</font> (<a class="code" href="namespaceNLNET.html#a45">_RegistrationBroadcastCallback</a> != NULL)
00143 <a class="code" href="namespaceNLNET.html#a45">_RegistrationBroadcastCallback</a> (name, sid, <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>);
00144 }
00145 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (addrs.size() == 1)
00146 {
00147 CNamingClient::RegisteredServicesMutex.enter ();
00148 <font class="keywordflow">for</font> (<a class="code" href="classstd_1_1list.html">std::list<CNamingClient::CServiceEntry></a>::iterator it = CNamingClient::RegisteredServices.begin(); it != CNamingClient::RegisteredServices.end (); it++)
00149 {
00150 <font class="keywordflow">if</font> (sid == (*it).SId)
00151 {
00152 (*it).Name = name;
00153 (*it).Addr = <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>;
00154 <font class="keywordflow">break</font>;
00155 }
00156 }
00157 CNamingClient::RegisteredServicesMutex.leave ();
00158 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"NC: Registration Broadcast (update) of the service %s-%hu '%s'"</font>, name.c_str(), (uint16)sid, <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>[0].asString().c_str());
00159 }
00160 <font class="keywordflow">else</font>
00161 {
00162 <a class="code" href="debug_8h.html#a12">nlstop</a>;
00163 }
00164 }
00165
00166 <font class="comment">// FirstRegisteredBroadcast = true;</font>
00167
00168 <font class="comment">//CNamingClient::displayRegisteredServices ();</font>
00169 }
00170
00171 <font class="comment">//</font>
00172
<a name="l00173"></a><a class="code" href="classNLNET_1_1CNamingClient.html#a110">00173</a> <font class="keywordtype">void</font> <a class="code" href="namespaceNLNET.html#a110">cbUnregisterBroadcast</a> (CMessage &msgin, <a class="code" href="namespaceNLNET.html#a0">TSockId</a> from, CCallbackNetBase &netbase)
00174 {
00175 string name;
00176 <a class="code" href="namespaceNLNET.html#a19">TServiceId</a> sid;
00177 vector<CInetAddress> addrs;
00178
00179 msgin.serial (name);
00180 msgin.serial (sid);
00181
00182 <font class="comment">// remove it in the list, if the service is not found, ignore it</font>
00183
00184 CNamingClient::RegisteredServicesMutex.enter ();
00185 <font class="keywordflow">for</font> (<a class="code" href="classstd_1_1list.html">std::list<CNamingClient::CServiceEntry></a>::iterator it = CNamingClient::RegisteredServices.begin(); it != CNamingClient::RegisteredServices.end (); it++)
00186 {
00187 <font class="keywordflow">if</font> ((*it).SId == sid)
00188 {
00189 <font class="comment">// check the structure</font>
00190 <a class="code" href="debug_8h.html#a8">nlassertex</a> ((*it).Name == name, (<font class="stringliteral">"%s %s"</font>,(*it).Name.c_str(), name.c_str()));
00191
00192 addrs = (*it).Addr;
00193
00194 CNamingClient::RegisteredServices.erase (it);
00195 <font class="keywordflow">break</font>;
00196 }
00197 }
00198 CNamingClient::RegisteredServicesMutex.leave ();
00199
00200 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"NC: Unregistration Broadcast of the service %s-%hu"</font>, name.c_str(), (uint16)sid);
00201
00202 <font class="comment">// send the ACK to the NS</font>
00203
00204 CMessage msgout (CNamingClient::_Connection->getSIDA(), <font class="stringliteral">"ACK_UNI"</font>);
00205 msgout.serial (sid);
00206 CNamingClient::_Connection->send (msgout);
00207
00208 <font class="comment">// oh my god, it s my sid! but i m alive, why this f*cking naming service want to kill me? ok, i leave it alone!</font>
00209 <font class="keywordflow">if</font>(CNamingClient::_MySId == sid)
00210 {
00211 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"Naming Service asked me to leave, I leave!"</font>);
00212 IService::getInstance()->exit();
00213 <font class="keywordflow">return</font>;
00214 }
00215
00216 <font class="keywordflow">if</font> (<a class="code" href="namespaceNLNET.html#a46">_UnregistrationBroadcastCallback</a> != NULL)
00217 <a class="code" href="namespaceNLNET.html#a46">_UnregistrationBroadcastCallback</a> (name, sid, addrs);
00218
00219 <font class="comment">//CNamingClient::displayRegisteredServices ();</font>
00220 }
00221
00222 <font class="comment">//</font>
00223
00224 <font class="keyword">static</font> TCallbackItem <a class="code" href="namespaceNLNET.html#a52">NamingClientCallbackArray</a>[] =
00225 {
00226 { <font class="stringliteral">"RG"</font>, <a class="code" href="namespaceNLNET.html#a107">cbRegister</a> },
00227 { <font class="stringliteral">"QP"</font>, <a class="code" href="namespaceNLNET.html#a108">cbQueryPort</a> },
00228
00229 { <font class="stringliteral">"RGB"</font>, <a class="code" href="namespaceNLNET.html#a109">cbRegisterBroadcast</a> },
00230 { <font class="stringliteral">"UNB"</font>, <a class="code" href="namespaceNLNET.html#a110">cbUnregisterBroadcast</a> },
00231 };
00232
00233 <font class="keywordtype">void</font> CNamingClient::connect( <font class="keyword">const</font> CInetAddress &<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>, CCallbackNetBase::TRecordingState rec, <font class="keyword">const</font> vector<CInetAddress> &addresses )
00234 {
00235 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> == NULL || <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && !<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ());
00236 <a class="code" href="classNLNET_1_1CNamingClient.html#q0">_ThreadId</a> = <a class="code" href="namespaceNLMISC.html#a237">getThreadId</a> ();
00237
00238 <font class="keywordflow">if</font> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> == NULL)
00239 {
00240 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> = <font class="keyword">new</font> CCallbackClient( rec, <font class="stringliteral">"naming_client.nmr"</font> );
00241 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->addCallbackArray (<a class="code" href="namespaceNLNET.html#a52">NamingClientCallbackArray</a>, <font class="keyword">sizeof</font> (<a class="code" href="namespaceNLNET.html#a52">NamingClientCallbackArray</a>) / <font class="keyword">sizeof</font> (<a class="code" href="namespaceNLNET.html#a52">NamingClientCallbackArray</a>[0]));
00242 }
00243
00244 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connect (<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>);
00245
00246 <font class="comment">/* // send the available addresses</font>
00247 <font class="comment"> CMessage msgout (_Connection->getSIDA(), "RS");</font>
00248 <font class="comment"> msgout.serialCont (const_cast<vector<CInetAddress>&>(addresses));</font>
00249 <font class="comment"> _Connection->send (msgout);</font>
00250 <font class="comment"> </font>
00251 <font class="comment"> // wait the message that contains all already connected services</font>
00252 <font class="comment"> FirstRegisteredBroadcast = false;</font>
00253 <font class="comment"> while (!FirstRegisteredBroadcast && _Connection->connected ())</font>
00254 <font class="comment"> {</font>
00255 <font class="comment"> _Connection->update (-1);</font>
00256 <font class="comment"> nlSleep (1);</font>
00257 <font class="comment"> }</font>
00258 <font class="comment">*/</font>}
00259
00260
<a name="l00261"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d2">00261</a> <font class="keywordtype">void</font> CNamingClient::disconnect ()
00262 {
00263 <a class="code" href="classNLNET_1_1CNamingClient.html#e0">checkThreadId</a> ();
00264
00265 <font class="keywordflow">if</font> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL)
00266 {
00267 <font class="keywordflow">if</font> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ())
00268 {
00269 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->disconnect ();
00270 }
00271 <font class="keyword">delete</font> <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>;
00272 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> = NULL;
00273 }
00274
00275 <font class="comment">// we don't call unregisterAllServices because when the naming service will see the disconnection,</font>
00276 <font class="comment">// it'll automatically unregister all services registered by this client.</font>
00277 }
00278
<a name="l00279"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d3">00279</a> string CNamingClient::info ()
00280 {
00281 string <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>;
00282
00283 <font class="keywordflow">if</font> (<a class="code" href="classNLNET_1_1CNamingClient.html#d1">connected</a> ())
00284 {
00285 <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> = <font class="stringliteral">"connected to "</font>;
00286 <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> += <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->remoteAddress().asString();
00287 }
00288 <font class="keywordflow">else</font>
00289 {
00290 <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> = <font class="stringliteral">"Not connected"</font>;
00291 }
00292
00293 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>;
00294 }
00295
<a name="l00296"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d4">00296</a> <font class="keywordtype">bool</font> CNamingClient::registerService (<font class="keyword">const</font> std::string &name, <font class="keyword">const</font> std::vector<CInetAddress> &<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>, <a class="code" href="namespaceNLNET.html#a19">TServiceId</a> &sid)
00297 {
00298 <a class="code" href="classNLNET_1_1CNamingClient.html#e0">checkThreadId</a> ();
00299 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ());
00300
00301 CMessage msgout (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->getSIDA(), <font class="stringliteral">"RG"</font>);
00302 msgout.serial (const_cast<std::string&>(name));
00303 msgout.serialCont (<font class="keyword">const_cast</font><vector<CInetAddress>&>(<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>));
00304 sid = 0;
00305 msgout.serial (sid);
00306 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->send (msgout);
00307
00308 <font class="comment">// wait the answer of the naming service "RG"</font>
00309 <a class="code" href="namespaceNLNET.html#a47">Registered</a> = <font class="keyword">false</font>;
00310 <a class="code" href="namespaceNLNET.html#a49">RegisteredSID</a> = &sid;
00311 <font class="keywordflow">while</font> (!<a class="code" href="namespaceNLNET.html#a47">Registered</a>)
00312 {
00313 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->update (-1);
00314 <a class="code" href="namespaceNLMISC.html#a236">nlSleep</a> (1);
00315 }
00316 <font class="keywordflow">if</font> (RegisteredSuccess)
00317 {
00318 <a class="code" href="classNLNET_1_1CNamingClient.html#r1">_MySId</a> = sid;
00319 <a class="code" href="classNLNET_1_1CNamingClient.html#r2">_RegisteredServices</a>.insert (make_pair (*<a class="code" href="namespaceNLNET.html#a49">RegisteredSID</a>, name));
00320 <a class="code" href="debug_8h.html#a0">nldebug</a> (<font class="stringliteral">"NC: Registered service %s-%hu at %s"</font>, name.c_str(), (uint16)sid, <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>[0].asString().c_str());
00321 }
00322 <font class="keywordflow">else</font>
00323 {
00324 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"NC: Naming service refused to register service %s at %s"</font>, name.c_str(), <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>[0].asString().c_str());
00325 }
00326
00327 <a class="code" href="namespaceNLNET.html#a49">RegisteredSID</a> = NULL;
00328
00329 <font class="keywordflow">return</font> <a class="code" href="namespaceNLNET.html#a48">RegisteredSuccess</a> == 1;
00330 }
00331
<a name="l00332"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d5">00332</a> <font class="keywordtype">bool</font> CNamingClient::registerServiceWithSId (<font class="keyword">const</font> std::string &name, <font class="keyword">const</font> std::vector<CInetAddress> &<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>, <a class="code" href="namespaceNLNET.html#a19">TServiceId</a> sid)
00333 {
00334 <a class="code" href="classNLNET_1_1CNamingClient.html#e0">checkThreadId</a> ();
00335 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ());
00336
00337 CMessage msgout (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->getSIDA(), <font class="stringliteral">"RG"</font>);
00338 msgout.serial (const_cast<std::string&>(name));
00339 msgout.serialCont (<font class="keyword">const_cast</font><vector<CInetAddress>&>(<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>));
00340 msgout.serial (sid);
00341 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->send (msgout);
00342
00343 <font class="comment">// wait the answer of the naming service "RGI"</font>
00344 <a class="code" href="namespaceNLNET.html#a47">Registered</a> = <font class="keyword">false</font>;
00345 <a class="code" href="namespaceNLNET.html#a49">RegisteredSID</a> = &sid;
00346 <font class="keywordflow">while</font> (!<a class="code" href="namespaceNLNET.html#a47">Registered</a>)
00347 {
00348 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->update (-1);
00349 <a class="code" href="namespaceNLMISC.html#a236">nlSleep</a> (1);
00350 }
00351 <font class="keywordflow">if</font> (RegisteredSuccess)
00352 {
00353 <a class="code" href="classNLNET_1_1CNamingClient.html#r1">_MySId</a> = sid;
00354 <a class="code" href="classNLNET_1_1CNamingClient.html#r2">_RegisteredServices</a>.insert (make_pair (*<a class="code" href="namespaceNLNET.html#a49">RegisteredSID</a>, name));
00355 <a class="code" href="debug_8h.html#a0">nldebug</a> (<font class="stringliteral">"NC: Registered service with sid %s-%hu at %s"</font>, name.c_str(), (uint16)<a class="code" href="namespaceNLNET.html#a49">RegisteredSID</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>[0].asString().c_str());
00356 }
00357 <font class="keywordflow">else</font>
00358 {
00359 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"NC: Naming service refused to register service with sid %s at %s"</font>, name.c_str(), <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>[0].asString().c_str());
00360 }
00361
00362 <font class="keywordflow">return</font> <a class="code" href="namespaceNLNET.html#a48">RegisteredSuccess</a> == 1;
00363 }
00364
<a name="l00365"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d6">00365</a> <font class="keywordtype">void</font> CNamingClient::resendRegisteration (<font class="keyword">const</font> std::string &name, <font class="keyword">const</font> std::vector<CInetAddress> &<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>, <a class="code" href="namespaceNLNET.html#a19">TServiceId</a> sid)
00366 {
00367 <a class="code" href="classNLNET_1_1CNamingClient.html#e0">checkThreadId</a> ();
00368 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ());
00369
00370 CMessage msgout (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->getSIDA(), <font class="stringliteral">"RRG"</font>);
00371 msgout.serial (const_cast<std::string&>(name));
00372 msgout.serialCont (<font class="keyword">const_cast</font><vector<CInetAddress>&>(<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>));
00373 msgout.serial (sid);
00374 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->send (msgout);
00375 }
00376
<a name="l00377"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d7">00377</a> <font class="keywordtype">void</font> CNamingClient::unregisterService (<a class="code" href="namespaceNLNET.html#a19">TServiceId</a> sid)
00378 {
00379 <a class="code" href="classNLNET_1_1CNamingClient.html#e0">checkThreadId</a> ();
00380 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ());
00381
00382 CMessage msgout (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->getSIDA(), <font class="stringliteral">"UNI"</font>);
00383 msgout.serial (sid);
00384 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->send (msgout);
00385
00386 <a class="code" href="debug_8h.html#a0">nldebug</a> (<font class="stringliteral">"NC: Unregistering service %s-%hu"</font>, <a class="code" href="classNLNET_1_1CNamingClient.html#r2">_RegisteredServices</a>[sid].c_str(), sid);
00387 <a class="code" href="classNLNET_1_1CNamingClient.html#r2">_RegisteredServices</a>.erase (sid);
00388 }
00389
<a name="l00390"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d8">00390</a> <font class="keywordtype">void</font> CNamingClient::unregisterAllServices ()
00391 {
00392 <a class="code" href="classNLNET_1_1CNamingClient.html#e0">checkThreadId</a> ();
00393 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ());
00394
00395 <font class="keywordflow">while</font> (!<a class="code" href="classNLNET_1_1CNamingClient.html#r2">_RegisteredServices</a>.empty())
00396 {
00397 TRegServices::iterator irs = <a class="code" href="classNLNET_1_1CNamingClient.html#r2">_RegisteredServices</a>.begin();
00398 <a class="code" href="namespaceNLNET.html#a19">TServiceId</a> sid = (*irs).first;
00399 <a class="code" href="classNLNET_1_1CNamingClient.html#d7">unregisterService</a> (sid);
00400 }
00401 }
00402
<a name="l00403"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d9">00403</a> uint16 CNamingClient::queryServicePort ()
00404 {
00405 <a class="code" href="classNLNET_1_1CNamingClient.html#e0">checkThreadId</a> ();
00406 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ());
00407
00408 CMessage msgout (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->getSIDA(), <font class="stringliteral">"QP"</font>);
00409 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->send (msgout);
00410
00411 <font class="comment">// wait the answer of the naming service "QP"</font>
00412 <a class="code" href="namespaceNLNET.html#a50">QueryPort</a> = <font class="keyword">false</font>;
00413 <font class="keywordflow">while</font> (!<a class="code" href="namespaceNLNET.html#a50">QueryPort</a>)
00414 {
00415 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->update (-1);
00416 <a class="code" href="namespaceNLMISC.html#a236">nlSleep</a> (1);
00417 }
00418
00419 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"NC: Received the answer of the query port (%hu)"</font>, <a class="code" href="namespaceNLNET.html#a51">QueryPortPort</a>);
00420
00421 <font class="keywordflow">return</font> <a class="code" href="namespaceNLNET.html#a51">QueryPortPort</a>;
00422 }
00423
<a name="l00424"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d10">00424</a> <font class="keywordtype">bool</font> CNamingClient::lookup (<font class="keyword">const</font> std::string &name, CInetAddress &<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>)
00425 {
00426 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ());
00427
00428 vector<CInetAddress> addrs;
00429 <a class="code" href="classNLNET_1_1CNamingClient.html#f1">find</a> (name, addrs);
00430
00431 <font class="keywordflow">if</font> (addrs.size()==0)
00432 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00433
00434 <a class="code" href="debug_8h.html#a6">nlassert</a> (addrs.size()==1);
00435 <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a> = addrs[0];
00436
00437 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00438 }
00439
<a name="l00440"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d11">00440</a> <font class="keywordtype">bool</font> CNamingClient::lookup (<a class="code" href="namespaceNLNET.html#a19">TServiceId</a> sid, CInetAddress &<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>)
00441 {
00442 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ());
00443
00444 vector<CInetAddress> addrs;
00445 <a class="code" href="classNLNET_1_1CNamingClient.html#f1">find</a> (sid, addrs);
00446
00447 <font class="keywordflow">if</font> (addrs.size()==0)
00448 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00449
00450 <a class="code" href="debug_8h.html#a6">nlassert</a> (addrs.size()==1);
00451 <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a> = addrs[0];
00452
00453 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00454 }
00455
<a name="l00457"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d12">00457</a> <font class="keywordtype">bool</font> CNamingClient::lookupAlternate (<font class="keyword">const</font> std::string &name, CInetAddress &<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>)
00458 {
00459 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ());
00460
00461 <font class="comment">// remove it from his local list</font>
00462
00463 <a class="code" href="classNLNET_1_1CNamingClient.html#r4">RegisteredServicesMutex</a>.enter ();
00464 <font class="keywordflow">for</font> (<a class="code" href="classstd_1_1list.html">std::list<CServiceEntry></a>::iterator it = <a class="code" href="classNLNET_1_1CNamingClient.html#r3">RegisteredServices</a>.begin(); it != <a class="code" href="classNLNET_1_1CNamingClient.html#r3">RegisteredServices</a>.end (); it++)
00465 {
00466 <font class="keywordflow">if</font> ((*it).Addr[0] == <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>)
00467 {
00468 <a class="code" href="classNLNET_1_1CNamingClient.html#r3">RegisteredServices</a>.erase (it);
00469 <font class="keywordflow">break</font>;
00470 }
00471 }
00472 <a class="code" href="classNLNET_1_1CNamingClient.html#r4">RegisteredServicesMutex</a>.leave ();
00473
00474 vector<CInetAddress> addrs;
00475 <a class="code" href="classNLNET_1_1CNamingClient.html#f1">find</a> (name, addrs);
00476
00477 <font class="keywordflow">if</font> (addrs.size()==0)
00478 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00479
00480 <a class="code" href="debug_8h.html#a6">nlassert</a> (addrs.size()==1);
00481 <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a> = addrs[0];
00482
00483 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00484 }
00485
<a name="l00486"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d13">00486</a> <font class="keywordtype">void</font> CNamingClient::lookupAll (<font class="keyword">const</font> std::string &name, std::vector<CInetAddress> &addrs)
00487 {
00488 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ());
00489
00490 <a class="code" href="classNLNET_1_1CNamingClient.html#f1">find</a> (name, addrs);
00491 }
00492
<a name="l00493"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d15">00493</a> <font class="keywordtype">bool</font> CNamingClient::lookupAndConnect (<font class="keyword">const</font> std::string &name, CCallbackClient &sock)
00494 {
00495 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ());
00496
00497 <font class="comment">// look up for service</font>
00498 CInetAddress servaddr;
00499
00500 <font class="comment">// if service not found, return false</font>
00501 <font class="keywordflow">if</font> (!CNamingClient::lookup (name, servaddr))
00502 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00503
00504 <font class="keywordflow">do</font>
00505 {
00506 <font class="keywordflow">try</font>
00507 {
00508 <font class="comment">// try to connect to the server</font>
00509 sock.connect (servaddr);
00510
00511 <font class="comment">// connection succeeded</font>
00512 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00513 }
00514 <font class="keywordflow">catch</font> (ESocketConnectionFailed &e)
00515 {
00516 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"Connection to %s failed: %s, tring another service if available"</font>, servaddr.asString().c_str(), e.what() );
00517
00518 <font class="comment">// try another server and if service is not found, return false</font>
00519 <font class="keywordflow">if</font> (!CNamingClient::lookupAlternate (name, servaddr))
00520 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00521 }
00522 }
00523 <font class="keywordflow">while</font> (true);
00524 }
00525
00526
00527
<a name="l00528"></a><a class="code" href="classNLNET_1_1CNamingClient.html#d16">00528</a> <font class="keywordtype">void</font> CNamingClient::update ()
00529 {
00530 <a class="code" href="classNLNET_1_1CNamingClient.html#e0">checkThreadId</a> ();
00531 <font class="comment">// get message for naming service (new registration for example)</font>
00532 <font class="keywordflow">if</font> (<a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a> != NULL && <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->connected ())
00533 <a class="code" href="classNLNET_1_1CNamingClient.html#r0">_Connection</a>->update ();
00534 }
00535
<a name="l00536"></a><a class="code" href="classNLNET_1_1CNamingClient.html#e0">00536</a> <font class="keywordtype">void</font> CNamingClient::checkThreadId ()
00537 {
00538 <font class="keywordflow">if</font> (<a class="code" href="namespaceNLMISC.html#a237">getThreadId</a> () != <a class="code" href="classNLNET_1_1CNamingClient.html#q0">_ThreadId</a>)
00539 {
00540 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"You try to access to the CNamingClient with 2 differents thread (%d and %d)"</font>, <a class="code" href="classNLNET_1_1CNamingClient.html#q0">_ThreadId</a>, <a class="code" href="namespaceNLMISC.html#a237">getThreadId</a>());
00541 }
00542 }
00543
00544
00545 <font class="comment">//</font>
00546 <font class="comment">// Commands</font>
00547 <font class="comment">//</font>
00548
00549 <a class="code" href="namespaceNLNET.html#a111">NLMISC_COMMAND</a>(services, <font class="stringliteral">"displays registered services"</font>, <font class="stringliteral">""</font>)
00550 {
00551 <font class="keywordflow">if</font>(args.size() != 0) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00552
00553 CNamingClient::displayRegisteredServices (&log);
00554
00555 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00556 }
00557
00558 } <font class="comment">// NLNET</font>
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