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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/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> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |