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| author | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
|---|---|---|
| committer | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
| commit | 0ea5fc66924303d1bf73ba283a383e2aadee02f2 (patch) | |
| tree | 2568e71a7ccc44ec23b8bb3f0ff97fb6bf2ed709 /docs/doxygen/nel/unitime_8cpp-source.html | |
| download | nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.tar.xz nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.zip | |
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+</td></tr></table> + + +<!-- block --> +<TABLE bgcolor="#dddddd" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td width=1% valign=middle><img width=6 height=14 hspace=2 vspace=2 src="http://www.nevrax.org/inc/img/reddots.gif"></TD> + <TD><B>Documentation</B></TD> + <TD ALIGN=RIGHT> </td> +</tr></table> +<!-- Generated by Doxygen 1.2.14 --> +<center> +<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:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>unitime.cpp</h1><a href="unitime_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font> +00008 <font class="comment"> *</font> +00009 <font class="comment"> * This file is part of NEVRAX NEL.</font> +00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font> +00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font> +00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font> +00013 <font class="comment"> * any later version.</font> +00014 <font class="comment"></font> +00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font> +00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font> +00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font> +00018 <font class="comment"> * General Public License for more details.</font> +00019 <font class="comment"></font> +00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font> +00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font> +00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font> +00023 <font class="comment"> * MA 02111-1307, USA.</font> +00024 <font class="comment"> */</font> +00025 +00026 <font class="preprocessor">#include "<a class="code" href="stdnet_8h.html">stdnet.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="callback__client_8h.html">nel/net/callback_client.h</a>"</font> +00029 <font class="preprocessor">#include "<a class="code" href="callback__server_8h.html">nel/net/callback_server.h</a>"</font> +00030 <font class="preprocessor">#include "<a class="code" href="naming__client_8h.html">nel/net/naming_client.h</a>"</font> +00031 <font class="preprocessor">#include "<a class="code" href="message_8h.html">nel/net/message.h</a>"</font> +00032 +00033 <font class="preprocessor">#include "<a class="code" href="unitime_8h.html">nel/net/unitime.h</a>"</font> +00034 +00035 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00036 <font class="keyword">using</font> <font class="keyword">namespace </font>std; +00037 +00038 <font class="keyword">namespace </font>NLNET +00039 { +00040 +<a name="l00041"></a><a class="code" href="classNLNET_1_1__CUniTime.html#r0">00041</a> <a class="code" href="namespaceNLMISC.html#a183">TTime</a> _CUniTime::_SyncUniTime = 0; +<a name="l00042"></a><a class="code" href="classNLNET_1_1__CUniTime.html#r1">00042</a> <a class="code" href="namespaceNLMISC.html#a183">TTime</a> _CUniTime::_SyncLocalTime = 0; +<a name="l00043"></a><a class="code" href="classNLNET_1_1__CUniTime.html#r2">00043</a> <font class="keywordtype">bool</font> _CUniTime::_Simulate = <font class="keyword">false</font>; +00044 +<a name="l00045"></a><a class="code" href="classNLNET_1_1__CUniTime.html#p0">00045</a> <font class="keywordtype">bool</font> _CUniTime::Sync = <font class="keyword">false</font>; +00046 +00047 +<a name="l00048"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d6">00048</a> <font class="keywordtype">void</font> _CUniTime::setUniTime (NLMISC::TTime uTime, NLMISC::TTime lTime) +00049 { +00050 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00051 <font class="comment">/* if (Sync)</font> +00052 <font class="comment"> {</font> +00053 <font class="comment"> TTime lt = getLocalTime ();</font> +00054 <font class="comment"> TTime delta = uTime - lTime + _SyncLocalTime - _SyncUniTime;</font> +00055 <font class="comment"></font> +00056 <font class="comment"> nlinfo ("_CUniTime::setUniTime(%"NL_I64"d, %"NL_I64"d): Resyncing delta %"NL_I64"dms",uTime,lTime,delta);</font> +00057 <font class="comment"> }</font> +00058 <font class="comment"> else</font> +00059 <font class="comment"> {</font> +00060 <font class="comment"> nlinfo ("_CUniTime::setUniTime(%"NL_I64"d, %"NL_I64"d)",uTime,lTime);</font> +00061 <font class="comment"> Sync = true;</font> +00062 <font class="comment"> }</font> +00063 <font class="comment"> _SyncUniTime = uTime;</font> +00064 <font class="comment"> _SyncLocalTime = lTime;</font> +00065 <font class="comment">*/</font>} +00066 +<a name="l00067"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d7">00067</a> <font class="keywordtype">void</font> _CUniTime::setUniTime (NLMISC::TTime uTime) +00068 { +00069 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00070 <font class="comment">// setUniTime (uTime, getLocalTime ());</font> +00071 } +00072 +00073 +00074 +<a name="l00075"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d0">00075</a> <a class="code" href="namespaceNLMISC.html#a183">TTime</a> _CUniTime::getUniTime () +00076 { +00077 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00078 <font class="keywordflow">return</font> 0; +00079 <font class="comment">/* if (!Sync)</font> +00080 <font class="comment"> {</font> +00081 <font class="comment"> nlerror ("called getUniTime before calling syncUniTimeFromServer");</font> +00082 <font class="comment"> }</font> +00083 <font class="comment"> return getLocalTime () - (_SyncLocalTime - _SyncUniTime);</font> +00084 <font class="comment">*/</font> +00085 } +00086 +00087 +<a name="l00088"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d1">00088</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *_CUniTime::getStringUniTime () +00089 { +00090 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00091 <font class="keywordflow">return</font> <a class="code" href="classNLNET_1_1__CUniTime.html#d1">getStringUniTime</a>(_CUniTime::getUniTime()); +00092 } +00093 +00094 +<a name="l00095"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d2">00095</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *_CUniTime::getStringUniTime (<a class="code" href="namespaceNLMISC.html#a183">TTime</a> ut) +00096 { +00097 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00098 <font class="keyword">static</font> <font class="keywordtype">char</font> str[512]; +00099 +00100 uint32 ms = (uint32) (ut % 1000); <font class="comment">// time in ms 1000ms dans 1s</font> +00101 ut /= 1000; +00102 +00103 uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a> = (uint32) (ut % 60); <font class="comment">// time in seconds 60s dans 1mn</font> +00104 ut /= 60; +00105 +00106 uint32 m = (uint32) (ut % 60); <font class="comment">// time in minutes 60m dans 1h</font> +00107 ut /= 60; +00108 +00109 uint32 h = (uint32) (ut % 9); <font class="comment">// time in hours 9h dans 1j</font> +00110 ut /= 9; +00111 +00112 uint32 day = (uint32) (ut % (8*4)); <font class="comment">// time in days 8day dans 1month</font> +00113 ut /= 8; +00114 +00115 uint32 week = (uint32) (ut % 4); <font class="comment">// time in weeks 4week dans 1month</font> +00116 ut /= 4; +00117 +00118 uint32 month = (uint32) (ut % 12); <font class="comment">// time in months 12month dans 1year</font> +00119 ut /= 12; +00120 +00121 uint year = (uint32) ut; <font class="comment">// time in years</font> +00122 +00123 <a class="code" href="namespaceNLMISC.html#a211">smprintf</a> (str, 512, <font class="stringliteral">"%02d/%02d/%04d (week %d) %02d:%02d:%02d.%03d"</font>, day+1, month+1, year+1, week+1, h, m, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, ms); +00124 <font class="keywordflow">return</font> str; +00125 } +00126 +00132 +00133 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLNET.html#a72">GetUniversalTime</a>; +00134 <font class="keyword">static</font> uint32 <a class="code" href="namespaceNLNET.html#a73">GetUniversalTimeSecondsSince1970</a>; +00135 <font class="keyword">static</font> <a class="code" href="namespaceNLMISC.html#a183">TTime</a> <a class="code" href="namespaceNLNET.html#a74">GetUniversalTimeUniTime</a>; +00136 +00137 +00138 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNLNET.html#a153">cbGetUniversalTime</a> (CMessage &msgin, <a class="code" href="namespaceNLNET.html#a0">TSockId</a> from, CCallbackNetBase &netbase) +00139 { +00140 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00141 <font class="comment">// get the association between a date and unitime</font> +00142 msgin.serial (<a class="code" href="namespaceNLNET.html#a73">GetUniversalTimeSecondsSince1970</a>); +00143 msgin.serial (<a class="code" href="namespaceNLNET.html#a74">GetUniversalTimeUniTime</a>); +00144 <a class="code" href="namespaceNLNET.html#a72">GetUniversalTime</a> = <font class="keyword">true</font>; +00145 } +00146 +00147 <font class="comment">/***************************************************************/</font> +00148 <font class="comment">/******************* THE FOLLOWING CODE IS COMMENTED OUT *******/</font> +00149 <font class="comment">/***************************************************************</font> +00150 <font class="comment">static TCallbackItem UniTimeCallbackArray[] =</font> +00151 <font class="comment">{</font> +00152 <font class="comment"> { "GUT", cbGetUniversalTime }</font> +00153 <font class="comment">};</font> +00154 <font class="comment">***************************************************************/</font> +00155 +<a name="l00156"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d3">00156</a> <font class="keywordtype">void</font> _CUniTime::syncUniTimeFromService (CCallbackNetBase::TRecordingState rec, <font class="keyword">const</font> CInetAddress *<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>) +00157 { +00158 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00159 <font class="comment">/***************************************************************/</font> +00160 <font class="comment">/******************* THE FOLLOWING CODE IS COMMENTED OUT *******/</font> +00161 <font class="comment">/***************************************************************</font> +00162 <font class="comment"> TTime deltaAdjust, lt;</font> +00163 <font class="comment"> uint32 firstsecond, nextsecond;</font> +00164 <font class="comment"> TTime before, after, delta;</font> +00165 <font class="comment"></font> +00166 <font class="comment"> // create a message with type in the full text format</font> +00167 <font class="comment"> CMessage msgout ("AUT");</font> +00168 <font class="comment"> CCallbackClient server( rec, "TS.nmr" );</font> +00169 <font class="comment"> server.addCallbackArray (UniTimeCallbackArray, sizeof (UniTimeCallbackArray) / sizeof (UniTimeCallbackArray[0]));</font> +00170 <font class="comment"></font> +00171 <font class="comment"> if (addr == NULL)</font> +00172 <font class="comment"> {</font> +00173 <font class="comment"> CNamingClient::lookupAndConnect ("TS", server);</font> +00174 <font class="comment"> }</font> +00175 <font class="comment"> else</font> +00176 <font class="comment"> {</font> +00177 <font class="comment"> server.connect (*addr);</font> +00178 <font class="comment"> }</font> +00179 <font class="comment"></font> +00180 <font class="comment"> if (!server.connected()) goto error;</font> +00181 <font class="comment"></font> +00182 <font class="comment"> server.send (msgout);</font> +00183 <font class="comment"></font> +00184 <font class="comment"> // before time</font> +00185 <font class="comment"> before = CTime::getLocalTime ();</font> +00186 <font class="comment"></font> +00187 <font class="comment"> // receive the answer</font> +00188 <font class="comment"> GetUniversalTime = false;</font> +00189 <font class="comment"> while (!GetUniversalTime)</font> +00190 <font class="comment"> {</font> +00191 <font class="comment"> if (!server.connected()) goto error;</font> +00192 <font class="comment"> </font> +00193 <font class="comment"> server.update ();</font> +00194 <font class="comment"></font> +00195 <font class="comment"> nlSleep( 0 );</font> +00196 <font class="comment"> }</font> +00197 <font class="comment"></font> +00198 <font class="comment"> // after, before and delta is not used. It's only for information purpose.</font> +00199 <font class="comment"> after = CTime::getLocalTime ();</font> +00200 <font class="comment"> delta = after - before;</font> +00201 <font class="comment"></font> +00202 <font class="comment"> nlinfo ("_CUniTime::syncUniTimeFromService(): ping:%"NL_I64"dms, time:%ds, unitime:%"NL_I64"dms", delta, GetUniversalTimeSecondsSince1970, GetUniversalTimeUniTime);</font> +00203 <font class="comment"></font> +00204 <font class="comment">// <-- from here to the "-->" comment, the block must be executed in less than one second or an infinite loop occurs</font> +00205 <font class="comment"></font> +00206 <font class="comment"> // get the second</font> +00207 <font class="comment"> firstsecond = CTime::getSecondsSince1970 ();</font> +00208 <font class="comment"> nextsecond = firstsecond+1;</font> +00209 <font class="comment"> </font> +00210 <font class="comment"> // wait the next start of the second (take 100% of CPU to be more accurate)</font> +00211 <font class="comment"> while (nextsecond != CTime::getSecondsSince1970 ())</font> +00212 <font class="comment"> nlassert (CTime::getSecondsSince1970 () <= nextsecond);</font> +00213 <font class="comment"></font> +00214 <font class="comment">// --></font> +00215 <font class="comment"></font> +00216 <font class="comment"> // get the local time of the beginning of the next second</font> +00217 <font class="comment"> lt = CTime::getLocalTime ();</font> +00218 <font class="comment"></font> +00219 <font class="comment"> if ( ! _Simulate )</font> +00220 <font class="comment"> {</font> +00221 <font class="comment"> if (abs((sint32)((TTime)nextsecond - (TTime)GetUniversalTimeSecondsSince1970)) > 10)</font> +00222 <font class="comment"> {</font> +00223 <font class="comment"> nlerror ("the time delta (between me and the Time Service) is too big (more than 10s), servers aren't NTP synchronized");</font> +00224 <font class="comment"> goto error;</font> +00225 <font class="comment"> }</font> +00226 <font class="comment"> </font> +00227 <font class="comment"> // compute the delta between the other side and our side number of second since 1970</font> +00228 <font class="comment"> deltaAdjust = ((TTime) nextsecond - (TTime) GetUniversalTimeSecondsSince1970) * 1000;</font> +00229 <font class="comment"></font> +00230 <font class="comment"> // adjust the unitime to the current localtime</font> +00231 <font class="comment"> GetUniversalTimeUniTime += deltaAdjust;</font> +00232 <font class="comment"></font> +00233 <font class="comment"> nlinfo ("_CUniTime::syncUniTimeFromService(): rtime:%ds, runitime:%"NL_I64"ds, rlocaltime:%"NL_I64"d, deltaAjust:%"NL_I64"dms", nextsecond, GetUniversalTimeUniTime, lt, deltaAdjust);</font> +00234 <font class="comment"> }</font> +00235 <font class="comment"> else</font> +00236 <font class="comment"> {</font> +00237 <font class="comment"> nlinfo ("_CUniTime::syncUniTimeFromService(): runitime:%"NL_I64"ds, rlocaltime:%"NL_I64"d", GetUniversalTimeUniTime, lt);</font> +00238 <font class="comment"> }</font> +00239 <font class="comment"></font> +00240 <font class="comment"> _CUniTime::setUniTime (GetUniversalTimeUniTime, lt);</font> +00241 <font class="comment"></font> +00242 <font class="comment"> server.disconnect ();</font> +00243 <font class="comment"> return;</font> +00244 <font class="comment"></font> +00245 <font class="comment">error:</font> +00246 <font class="comment"> nlerror ("Time Service is not found, lost or can't synchronize universal time");</font> +00247 <font class="comment">***************************************************************/</font> +00248 +00249 } +00250 +00251 +00252 +00258 +00259 <font class="comment">// Server part</font> +00260 +00261 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNLNET.html#a154">cbServerAskUniversalTime</a> (CMessage& msgin, <a class="code" href="namespaceNLNET.html#a0">TSockId</a> from, CCallbackNetBase &netbase) +00262 { +00263 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00264 <a class="code" href="namespaceNLMISC.html#a183">TTime</a> ut = _CUniTime::getUniTime (); +00265 +00266 <font class="comment">// afficher l adresse de celui qui demande</font> +00267 <a class="code" href="debug_8h.html#a1">nlinfo</a>(<font class="stringliteral">"Send the universal time %"</font>NL_I64<font class="stringliteral">"d to '%s'"</font>, ut, netbase.hostAddress(from).asString().c_str()); +00268 +00269 CMessage msgout (netbase.getSIDA(), <font class="stringliteral">"GUT"</font>); +00270 msgout.serial (ut); +00271 netbase.send (msgout, from); +00272 } +00273 +00274 TCallbackItem <a class="code" href="namespaceNLNET.html#a75">ServerTimeServiceCallbackArray</a>[] = +00275 { +00276 { <font class="stringliteral">"AUT"</font>, <a class="code" href="namespaceNLNET.html#a154">cbServerAskUniversalTime</a> }, +00277 }; +00278 +<a name="l00279"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d4">00279</a> <font class="keywordtype">void</font> _CUniTime::installServer (CCallbackServer *server) +00280 { +00281 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00282 <font class="keyword">static</font> <font class="keywordtype">bool</font> alreadyAddedCallback = <font class="keyword">false</font>; +00283 <a class="code" href="debug_8h.html#a6">nlassert</a> (server != NULL); +00284 <a class="code" href="debug_8h.html#a6">nlassert</a> (!alreadyAddedCallback); +00285 +00286 server->addCallbackArray (<a class="code" href="namespaceNLNET.html#a75">ServerTimeServiceCallbackArray</a>, <font class="keyword">sizeof</font> (<a class="code" href="namespaceNLNET.html#a75">ServerTimeServiceCallbackArray</a>) / <font class="keyword">sizeof</font> (<a class="code" href="namespaceNLNET.html#a75">ServerTimeServiceCallbackArray</a>[0])); +00287 alreadyAddedCallback = <font class="keyword">true</font>; +00288 } +00289 +00290 <font class="comment">// Client part</font> +00291 +00292 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLNET.html#a76">GetClientUniversalTime</a>; +00293 <font class="keyword">static</font> <a class="code" href="namespaceNLMISC.html#a183">TTime</a> <a class="code" href="namespaceNLNET.html#a77">GetClientUniversalTimeUniTime</a>; +00294 +00295 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNLNET.html#a155">cbClientGetUniversalTime</a> (CMessage &msgin, <a class="code" href="namespaceNLNET.html#a0">TSockId</a> from, CCallbackNetBase &netbase) +00296 { +00297 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00298 <font class="comment">// get the association between a date and unitime</font> +00299 msgin.serial (<a class="code" href="namespaceNLNET.html#a77">GetClientUniversalTimeUniTime</a>); +00300 <a class="code" href="namespaceNLNET.html#a76">GetClientUniversalTime</a> = <font class="keyword">true</font>; +00301 } +00302 +00303 <font class="comment">/***************************************************************/</font> +00304 <font class="comment">/******************* THE FOLLOWING CODE IS COMMENTED OUT *******/</font> +00305 <font class="comment">/***************************************************************</font> +00306 <font class="comment">static TCallbackItem ClientUniTimeCallbackArray[] =</font> +00307 <font class="comment">{</font> +00308 <font class="comment"> { "GUT", cbClientGetUniversalTime }</font> +00309 <font class="comment">};</font> +00310 <font class="comment">***************************************************************/</font> +00311 +00312 +<a name="l00313"></a><a class="code" href="classNLNET_1_1__CUniTime.html#d5">00313</a> <font class="keywordtype">void</font> _CUniTime::syncUniTimeFromServer (CCallbackClient *client) +00314 { +00315 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00316 <font class="comment">/***************************************************************/</font> +00317 <font class="comment">/******************* THE FOLLOWING CODE IS COMMENTED OUT *******/</font> +00318 <font class="comment">/***************************************************************</font> +00319 <font class="comment"></font> +00320 <font class="comment"> static bool alreadyAddedCallback = false;</font> +00321 <font class="comment"> nlassert (client != NULL);</font> +00322 <font class="comment"></font> +00323 <font class="comment"> if (!alreadyAddedCallback)</font> +00324 <font class="comment"> {</font> +00325 <font class="comment"> client->addCallbackArray (ClientUniTimeCallbackArray, sizeof (ClientUniTimeCallbackArray) / sizeof (ClientUniTimeCallbackArray[0]));</font> +00326 <font class="comment"> alreadyAddedCallback = true;</font> +00327 <font class="comment"> }</font> +00328 <font class="comment"></font> +00329 <font class="comment"> sint attempt = 0;</font> +00330 <font class="comment"> TTime bestdelta = 60000; // 1 minute</font> +00331 <font class="comment"></font> +00332 <font class="comment"> if (!client->connected ()) goto error;</font> +00333 <font class="comment"></font> +00334 <font class="comment"> while (attempt < 10)</font> +00335 <font class="comment"> {</font> +00336 <font class="comment"> CMessage msgout (client->getSIDA(), "AUT");</font> +00337 <font class="comment"></font> +00338 <font class="comment"> if (!client->connected()) goto error;</font> +00339 <font class="comment"></font> +00340 <font class="comment"> // send the message</font> +00341 <font class="comment"> client->send (msgout);</font> +00342 <font class="comment"></font> +00343 <font class="comment"> // before time</font> +00344 <font class="comment"> TTime before = CTime::getLocalTime ();</font> +00345 <font class="comment"></font> +00346 <font class="comment"> // receive the answer</font> +00347 <font class="comment"> GetClientUniversalTime = false;</font> +00348 <font class="comment"> while (!GetClientUniversalTime)</font> +00349 <font class="comment"> {</font> +00350 <font class="comment"> if (!client->connected()) goto error;</font> +00351 <font class="comment"> </font> +00352 <font class="comment"> client->update ();</font> +00353 <font class="comment"> }</font> +00354 <font class="comment"></font> +00355 <font class="comment"> TTime after = CTime::getLocalTime (), delta = after - before;</font> +00356 <font class="comment"></font> +00357 <font class="comment"> if (delta < 10 || delta < bestdelta)</font> +00358 <font class="comment"> {</font> +00359 <font class="comment"> bestdelta = delta;</font> +00360 <font class="comment"></font> +00361 <font class="comment"> _CUniTime::setUniTime (GetClientUniversalTimeUniTime, (before+after)/2);</font> +00362 <font class="comment"></font> +00363 <font class="comment"> if (delta < 10) break;</font> +00364 <font class="comment"> }</font> +00365 <font class="comment"> attempt++;</font> +00366 <font class="comment"> }</font> +00367 <font class="comment"> client->disconnect ();</font> +00368 <font class="comment"> nlinfo ("Universal time is %"NL_I64"dms with a mean error of %"NL_I64"dms", _CUniTime::getUniTime(), bestdelta/2);</font> +00369 <font class="comment"> return;</font> +00370 <font class="comment">error:</font> +00371 <font class="comment"> nlwarning ("there's no connection or lost or can't synchronize universal time");</font> +00372 <font class="comment">***************************************************************/</font> +00373 } +00374 +00375 +00376 <font class="comment">//</font> +00377 <font class="comment">// Commands</font> +00378 <font class="comment">//</font> +00379 <font class="comment">/*</font> +00380 <font class="comment">NLMISC_COMMAND (time, "displays the universal time", "")</font> +00381 <font class="comment">{</font> +00382 <font class="comment"> if(args.size() != 0) return false;</font> +00383 <font class="comment"></font> +00384 <font class="comment"> if ( _CUniTime::Sync )</font> +00385 <font class="comment"> {</font> +00386 <font class="comment"> log.displayNL ("CTime::getLocalTime(): %"NL_I64"dms, _CUniTime::getUniTime(): %"NL_I64"dms", CTime::getLocalTime (), _CUniTime::getUniTime ());</font> +00387 <font class="comment"> log.displayNL ("_CUniTime::getStringUniTime(): '%s'", _CUniTime::getStringUniTime());</font> +00388 <font class="comment"> }</font> +00389 <font class="comment"> else</font> +00390 <font class="comment"> {</font> +00391 <font class="comment"> log.displayNL ("CTime::getLocalTime(): %"NL_I64"dms <Universal time not sync>", CTime::getLocalTime ());</font> +00392 <font class="comment"> }</font> +00393 <font class="comment"></font> +00394 <font class="comment"> return true;</font> +00395 <font class="comment">}</font> +00396 <font class="comment">*/</font> +00397 +00398 } <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> |