doc/www/doxygen/html/time_8cc-source.html

   1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
   2 <html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
   3 <title>Barry: time.cc Source File</title>
   4 <link href="doxygen.css" rel="stylesheet" type="text/css">
   5 <link href="tabs.css" rel="stylesheet" type="text/css">
   6 </head><body>
   7 <!-- Generated by Doxygen 1.5.6 -->
   8 <div class="navigation" id="top">
   9   <div class="tabs">
  10     <ul>
  11       <li><a href="index.html"><span>Main&nbsp;Page</span></a></li>
  12       <li><a href="modules.html"><span>Modules</span></a></li>
  13       <li><a href="namespaces.html"><span>Namespaces</span></a></li>
  14       <li><a href="classes.html"><span>Classes</span></a></li>
  15       <li class="current"><a href="files.html"><span>Files</span></a></li>
  16       <li><a href="dirs.html"><span>Directories</span></a></li>
  17     </ul>
  18   </div>
  19   <div class="navpath"><a class="el" href="dir_edc0f428e3eefcfdce9c25befd901c57.html">src</a>
  20   </div>
  21 </div>
  22 <div class="contents">
  23 <h1>time.cc</h1><a href="time_8cc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">///</span>
  24 <a name="l00002"></a>00002 <span class="comment"></span><span class="comment">/// \file       time.cc</span>
  25 <a name="l00003"></a>00003 <span class="comment"></span><span class="comment">///             Conversion between time_t and cenmin_t and back.</span>
  26 <a name="l00004"></a>00004 <span class="comment"></span><span class="comment">///             time_t is the POSIX time, seconds from Jan 1, 1970</span>
  27 <a name="l00005"></a>00005 <span class="comment"></span><span class="comment">///             min1900_t is the minutes from Jan 1, 1900</span>
  28 <a name="l00006"></a>00006 <span class="comment"></span><span class="comment">///</span>
  29 <a name="l00007"></a>00007 <span class="comment"></span>
  30 <a name="l00008"></a>00008 <span class="comment">/*</span>
  31 <a name="l00009"></a>00009 <span class="comment">    Copyright (C) 2005-2011, Net Direct Inc. (http://www.netdirect.ca/)</span>
  32 <a name="l00010"></a>00010 <span class="comment"></span>
  33 <a name="l00011"></a>00011 <span class="comment">    This program is free software; you can redistribute it and/or modify</span>
  34 <a name="l00012"></a>00012 <span class="comment">    it under the terms of the GNU General Public License as published by</span>
  35 <a name="l00013"></a>00013 <span class="comment">    the Free Software Foundation; either version 2 of the License, or</span>
  36 <a name="l00014"></a>00014 <span class="comment">    (at your option) any later version.</span>
  37 <a name="l00015"></a>00015 <span class="comment"></span>
  38 <a name="l00016"></a>00016 <span class="comment">    This program is distributed in the hope that it will be useful,</span>
  39 <a name="l00017"></a>00017 <span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
  40 <a name="l00018"></a>00018 <span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</span>
  41 <a name="l00019"></a>00019 <span class="comment"></span>
  42 <a name="l00020"></a>00020 <span class="comment">    See the GNU General Public License in the COPYING file at the</span>
  43 <a name="l00021"></a>00021 <span class="comment">    root directory of this project for more details.</span>
  44 <a name="l00022"></a>00022 <span class="comment">*/</span>
  45 <a name="l00023"></a>00023
  46 <a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="time_8h.html" title="Time related conversion routines.">time.h</a>"</span>
  47 <a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="endian_8h.html" title="Endian conversion macros.">endian.h</a>"</span>
  48 <a name="l00026"></a>00026 <span class="preprocessor">#include "debug.h"</span>
  49 <a name="l00027"></a>00027
  50 <a name="l00028"></a>00028 <span class="keyword">namespace </span>Barry {
  51 <a name="l00029"></a>00029
  52 <a name="l00030"></a>00030 TimeZone Zones[] = {
  53 <a name="l00031"></a>00031         { 0x0000,  -12,   0, <span class="stringliteral">"Eniwetok, Kwajalein (-12)"</span> },
  54 <a name="l00032"></a>00032         { 0x0001,  -12,   0, <span class="stringliteral">"Midway Island, Samoa (-12)"</span> },
  55 <a name="l00033"></a>00033         { 0x0002,  -10,   0, <span class="stringliteral">"Hawaii (-10)"</span> },
  56 <a name="l00034"></a>00034         { 0x0003,   -9,   0, <span class="stringliteral">"Alaska (-9)"</span> },
  57 <a name="l00035"></a>00035         { 0x0004,   -8,   0, <span class="stringliteral">"Pacific Time (US &amp; Canada), Tijuana (-8)"</span> },
  58 <a name="l00036"></a>00036         { 0x000a,   -7,   0, <span class="stringliteral">"Mountain Time (US &amp; Canada) (-7)"</span> },
  59 <a name="l00037"></a>00037         { 0x000f,   -7,   0, <span class="stringliteral">"Arizona (-7)"</span> },
  60 <a name="l00038"></a>00038         { 0x000d,   -7,   0, <span class="stringliteral">"Chihuahua, La Paz, Mazatlan (-7)"</span> },
  61 <a name="l00039"></a>00039         { 0x0014,   -6,   0, <span class="stringliteral">"Central Time (US &amp; Canada) (-6)"</span> },
  62 <a name="l00040"></a>00040         { 0x0021,   -6,   0, <span class="stringliteral">"Central America (-6)"</span> },
  63 <a name="l00041"></a>00041         { 0x0019,   -6,   0, <span class="stringliteral">"Saskatchewan (-6)"</span> },
  64 <a name="l00042"></a>00042         { 0x001e,   -6,   0, <span class="stringliteral">"Mexico City (-6)"</span> },
  65 <a name="l00043"></a>00043         { 0x0023,   -5,   0, <span class="stringliteral">"Eastern Time (US &amp; Canada) (-5)"</span> },
  66 <a name="l00044"></a>00044         { 0x002d,   -5,   0, <span class="stringliteral">"Bogota, Lima, Quito (-5)"</span> },
  67 <a name="l00045"></a>00045         { 0x0028,   -5,   0, <span class="stringliteral">"Indiana (East) (-5)"</span> },
  68 <a name="l00046"></a>00046         { 0x0032,   -4,   0, <span class="stringliteral">"Atlantic Time (Canada) (-4)"</span> },
  69 <a name="l00047"></a>00047         { 0x0037,   -4,   0, <span class="stringliteral">"Caracas, La Paz (-4)"</span> },
  70 <a name="l00048"></a>00048         { 0x0038,   -4,   0, <span class="stringliteral">"Santiago (-4)"</span> },
  71 <a name="l00049"></a>00049         { 0x003c,   -3, -30, <span class="stringliteral">"Newfoundland (-3.5)"</span> },
  72 <a name="l00050"></a>00050         { 0x0046,   -3,   0, <span class="stringliteral">"Buenos Aires, Georgetown (-3)"</span> },
  73 <a name="l00051"></a>00051         { 0x0041,   -3,   0, <span class="stringliteral">"Brasilia (-3)"</span> },
  74 <a name="l00052"></a>00052         { 0x0049,   -3,   0, <span class="stringliteral">"Greenland (-3)"</span> },
  75 <a name="l00053"></a>00053         { 0x004b,   -2,   0, <span class="stringliteral">"Mid-Atlantic (-2)"</span> },
  76 <a name="l00054"></a>00054         { 0x0053,   -1,   0, <span class="stringliteral">"Cape Verde Island (-1)"</span> },
  77 <a name="l00055"></a>00055         { 0x0050,   -1,   0, <span class="stringliteral">"Azores (-1)"</span> },
  78 <a name="l00056"></a>00056         { 0x0055,    0,   0, <span class="stringliteral">"Dublin, Edinburgh, Lisbon, London (GMT)"</span> },
  79 <a name="l00057"></a>00057         { 0x005a,    0,   0, <span class="stringliteral">"Casablanca, Monrovia (GMT)"</span> },
  80 <a name="l00058"></a>00058         { 0x006e,    1,   0, <span class="stringliteral">"Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna (+1)"</span> },
  81 <a name="l00059"></a>00059         { 0x0071,    1,   0, <span class="stringliteral">"West Central Africa (+1)"</span> },
  82 <a name="l00060"></a>00060         { 0x005f,    1,   0, <span class="stringliteral">"Belgrade, Bratislava, Budapest, Ljubljana, Prague (+1)"</span> },
  83 <a name="l00061"></a>00061         { 0x0069,    1,   0, <span class="stringliteral">"Brussels, Copenhagen, Madrid, Paris (+1)"</span> },
  84 <a name="l00062"></a>00062         { 0x0064,    1,   0, <span class="stringliteral">"Sarajevo, Skopje, Sofija, Vilnius, Warsaw, Zagreb (+1)"</span> },
  85 <a name="l00063"></a>00063         { 0x008c,    2,   0, <span class="stringliteral">"Harare, Pretoria (+2)"</span> },
  86 <a name="l00064"></a>00064         { 0x0087,    2,   0, <span class="stringliteral">"Jerusalem (+2)"</span> },
  87 <a name="l00065"></a>00065         { 0x0073,    2,   0, <span class="stringliteral">"Bucharest (+2)"</span> },
  88 <a name="l00066"></a>00066         { 0x0078,    2,   0, <span class="stringliteral">"Cairo (+2)"</span> },
  89 <a name="l00067"></a>00067         { 0x0082,    2,   0, <span class="stringliteral">"Athens, Istanbul, Minsk (+2)"</span> },
  90 <a name="l00068"></a>00068         { 0x007d,    2,   0, <span class="stringliteral">"Helsinki, Riga, Tallinn (+2)"</span> },
  91 <a name="l00069"></a>00069         { 0x0096,    3,   0, <span class="stringliteral">"Kuwait, Riyadh (+3)"</span> },
  92 <a name="l00070"></a>00070         { 0x009b,    3,   0, <span class="stringliteral">"Nairobi (+3)"</span> },
  93 <a name="l00071"></a>00071         { 0x009e,    3,   0, <span class="stringliteral">"Baghdad (+3)"</span> },
  94 <a name="l00072"></a>00072         { 0x0091,    3,   0, <span class="stringliteral">"Moscow, St. Petersburg, Volgograd (+3)"</span> },
  95 <a name="l00073"></a>00073         { 0x00a0,    3,  30, <span class="stringliteral">"Tehran (+3.5)"</span> },
  96 <a name="l00074"></a>00074         { 0x00a5,    4,   0, <span class="stringliteral">"Abu Dhabi, Muscat (+4)"</span> },
  97 <a name="l00075"></a>00075         { 0x00aa,    4,   0, <span class="stringliteral">"Baku, Tbilisi, Yerevan (+4)"</span> },
  98 <a name="l00076"></a>00076         { 0x00af,    4,  30, <span class="stringliteral">"Kabul (+4.5)"</span> },
  99 <a name="l00077"></a>00077         { 0x00b9,    5,   0, <span class="stringliteral">"Islamabad, Karachi, Tashkent (+5)"</span> },
 100 <a name="l00078"></a>00078         { 0x00b4,    5,   0, <span class="stringliteral">"Ekaterinburg (+5)"</span> },
 101 <a name="l00079"></a>00079         { 0x00be,    5,  30, <span class="stringliteral">"Calcutta, Chennai, Mumbai, New Delhi (+5.5)"</span> },
 102 <a name="l00080"></a>00080         { 0x00c1,    5,  45, <span class="stringliteral">"Kathmandu (+5.75)"</span> },
 103 <a name="l00081"></a>00081         { 0x00c3,    6,   0, <span class="stringliteral">"Astana, Dhaka (+6)"</span> },
 104 <a name="l00082"></a>00082         { 0x00c8,    6,   0, <span class="stringliteral">"Sri Lanka (+6)"</span> },
 105 <a name="l00083"></a>00083         { 0x00c9,    6,   0, <span class="stringliteral">"Almaty, Novosibirsk (+6)"</span> },
 106 <a name="l00084"></a>00084         { 0x00cb,    6,  30, <span class="stringliteral">"Rangoon (+6.5)"</span> },
 107 <a name="l00085"></a>00085         { 0x00cd,    7,   0, <span class="stringliteral">"Bangkok, Hanoi, Jakarta (+7)"</span> },
 108 <a name="l00086"></a>00086         { 0x00cf,    7,   0, <span class="stringliteral">"Krasnoyarsk (+7)"</span> },
 109 <a name="l00087"></a>00087         { 0x00d2,    8,   0, <span class="stringliteral">"Beijing, Chongqing, Hong Kong, Urumqi (+8)"</span> },
 110 <a name="l00088"></a>00088         { 0x00d7,    8,   0, <span class="stringliteral">"Kuala Lumpur, Singapore (+8)"</span> },
 111 <a name="l00089"></a>00089         { 0x00e1,    8,   0, <span class="stringliteral">"Perth (+8)"</span> },
 112 <a name="l00090"></a>00090         { 0x00dc,    8,   0, <span class="stringliteral">"Taipei (+8)"</span> },
 113 <a name="l00091"></a>00091         { 0x00e3,    8,   0, <span class="stringliteral">"Irkutsk, Ulaan Bataar (+8)"</span> },
 114 <a name="l00092"></a>00092         { 0x00eb,    9,   0, <span class="stringliteral">"Osaka, Sapporo, Tokyo (+9)"</span> },
 115 <a name="l00093"></a>00093         { 0x00e6,    9,   0, <span class="stringliteral">"Seoul (+9)"</span> },
 116 <a name="l00094"></a>00094         { 0x00f0,    9,   0, <span class="stringliteral">"Yakutsk (+9)"</span> },
 117 <a name="l00095"></a>00095         { 0x00f5,    9,  30, <span class="stringliteral">"Darwin (+9.5)"</span> },
 118 <a name="l00096"></a>00096         { 0x00fa,    9,  30, <span class="stringliteral">"Adelaide (+9.5)"</span> },
 119 <a name="l00097"></a>00097         { 0x0104,   10,   0, <span class="stringliteral">"Brisbane (+10)"</span> },
 120 <a name="l00098"></a>00098         { 0x0113,   10,   0, <span class="stringliteral">"Guam, Port Moresby (+10)"</span> },
 121 <a name="l00099"></a>00099         { 0x00ff,   10,   0, <span class="stringliteral">"Canberra, Melbourne, Sydney (+10)"</span> },
 122 <a name="l00100"></a>00100         { 0x0109,   10,   0, <span class="stringliteral">"Hobart (+10)"</span> },
 123 <a name="l00101"></a>00101         { 0x010e,   10,   0, <span class="stringliteral">"Vladivostok (+10)"</span> },
 124 <a name="l00102"></a>00102         { 0x0118,   11,   0, <span class="stringliteral">"Magadan, Solomon Islands, New Caledonia (+11)"</span> },
 125 <a name="l00103"></a>00103         { 0x011d,   12,   0, <span class="stringliteral">"Fiji, Kamchatka, Marshall Islands (+12)"</span> },
 126 <a name="l00104"></a>00104         { 0x0122,   12,   0, <span class="stringliteral">"Auckland, Wellington (+12)"</span> },
 127 <a name="l00105"></a>00105         { 0x012c,   13,   0, <span class="stringliteral">"Nuku'alofa (+13)"</span> },
 128 <a name="l00106"></a>00106         { 0,         0,   0, 0 }
 129 <a name="l00107"></a>00107 };
 130 <a name="l00108"></a>00108
 131 <a name="l00109"></a>00109 min1900_t time2min(time_t t)
 132 <a name="l00110"></a>00110 {
 133 <a name="l00111"></a>00111         <span class="keywordflow">if</span>( t == 0 )
 134 <a name="l00112"></a>00112                 <span class="keywordflow">return</span> htobl(0xffffffff);
 135 <a name="l00113"></a>00113
 136 <a name="l00114"></a>00114         min1900_t r = t / 60 + STDC_MIN1900_DIFF;
 137 <a name="l00115"></a>00115         <span class="keywordflow">return</span> htobl(r);
 138 <a name="l00116"></a>00116 }
 139 <a name="l00117"></a>00117
 140 <a name="l00118"></a>00118 time_t min2time(min1900_t m)
 141 <a name="l00119"></a>00119 {
 142 <a name="l00120"></a>00120         <span class="keywordflow">if</span>( (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>) btohl(m) == 0xffffffff )
 143 <a name="l00121"></a>00121                 <span class="keywordflow">return</span> 0;
 144 <a name="l00122"></a>00122         <span class="keywordflow">else</span>
 145 <a name="l00123"></a>00123                 <span class="keywordflow">return</span> (btohl(m) - STDC_MIN1900_DIFF) * 60;
 146 <a name="l00124"></a>00124 }
 147 <a name="l00125"></a>00125
 148 <a name="l00126"></a>00126
 149 <a name="l00127"></a>00127 <span class="comment">//</span>
 150 <a name="l00128"></a>00128 <span class="comment">// GetTimeZoneTable</span>
 151 <a name="l00129"></a>00129 <span class="comment">//</span><span class="comment"></span>
 152 <a name="l00130"></a>00130 <span class="comment">/// Returns a pointer to an array of TimeZone structs.</span>
 153 <a name="l00131"></a>00131 <span class="comment">/// The last struct contains 0 in all fields, and can be used as</span>
 154 <a name="l00132"></a>00132 <span class="comment">/// an "end of array" marker.</span>
 155 <a name="l00133"></a>00133 <span class="comment">///</span>
 156 <a name="l00134"></a><a class="code" href="namespaceBarry.html#b664177c654a0cb41bc8fc40b39eabda">00134</a> <span class="comment"></span><span class="keyword">const</span> TimeZone* <a class="code" href="namespaceBarry.html#b664177c654a0cb41bc8fc40b39eabda" title="Returns a pointer to an array of TimeZone structs.">GetTimeZoneTable</a>()
 157 <a name="l00135"></a>00135 {
 158 <a name="l00136"></a>00136         <span class="keywordflow">return</span> Zones;
 159 <a name="l00137"></a>00137 }
 160 <a name="l00138"></a>00138
 161 <a name="l00139"></a>00139 <span class="comment">//</span>
 162 <a name="l00140"></a>00140 <span class="comment">// GetTimeZone</span>
 163 <a name="l00141"></a>00141 <span class="comment">//</span><span class="comment"></span>
 164 <a name="l00142"></a>00142 <span class="comment">/// Searches the internal timezone code table for the given Code</span>
 165 <a name="l00143"></a>00143 <span class="comment">/// and returns a pointer to a TimeZone struct found.  If the</span>
 166 <a name="l00144"></a>00144 <span class="comment">/// code is not found, a pointer to a valid TimeZone struct is</span>
 167 <a name="l00145"></a>00145 <span class="comment">/// is still returned, but the struct's Code contains TIME_ZONE_CODE_ERR,</span>
 168 <a name="l00146"></a>00146 <span class="comment">/// and the name is "Unknown time zone."  The unknown timezone</span>
 169 <a name="l00147"></a>00147 <span class="comment">/// is the same offset as GMT.</span>
 170 <a name="l00148"></a>00148 <span class="comment">///</span>
 171 <a name="l00149"></a><a class="code" href="namespaceBarry.html#8b42d46bf7b5cb8f4d9e0bde1d61f226">00149</a> <span class="comment"></span><span class="keyword">const</span> TimeZone* <a class="code" href="namespaceBarry.html#8b42d46bf7b5cb8f4d9e0bde1d61f226" title="Searches the internal timezone code table for the given Code and returns a pointer...">GetTimeZone</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> Code)
 172 <a name="l00150"></a>00150 {
 173 <a name="l00151"></a>00151         <span class="keyword">static</span> TimeZone Unknown = { TIME_ZONE_CODE_ERR, 0, 0, <span class="stringliteral">"Unknown time zone"</span> };
 174 <a name="l00152"></a>00152
 175 <a name="l00153"></a>00153         <span class="keywordflow">for</span>( TimeZone *z = Zones; z-&gt;Name; z++ ) {
 176 <a name="l00154"></a>00154                 <span class="keywordflow">if</span>( Code == z-&gt;Code )
 177 <a name="l00155"></a>00155                         <span class="keywordflow">return</span> z;
 178 <a name="l00156"></a>00156         }
 179 <a name="l00157"></a>00157         <span class="keywordflow">return</span> &amp;Unknown;
 180 <a name="l00158"></a>00158 }
 181 <a name="l00159"></a>00159
 182 <a name="l00160"></a>00160 <span class="comment">//</span>
 183 <a name="l00161"></a>00161 <span class="comment">// GetTimeZoneCode</span>
 184 <a name="l00162"></a>00162 <span class="comment">//</span><span class="comment"></span>
 185 <a name="l00163"></a>00163 <span class="comment">/// Searches the internal timezone table for the first matching</span>
 186 <a name="l00164"></a>00164 <span class="comment">/// Code.  If no matching Code is found, TIME_ZONE_CODE_ERR is returned.</span>
 187 <a name="l00165"></a>00165 <span class="comment">///</span>
 188 <a name="l00166"></a>00166 <span class="comment">/// This function does not adjust for daylight saving time.</span>
 189 <a name="l00167"></a>00167 <span class="comment">///</span>
 190 <a name="l00168"></a><a class="code" href="namespaceBarry.html#56ac220ad3edcfbefcebb35c685212d1">00168</a> <span class="comment"></span><span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <a class="code" href="namespaceBarry.html#56ac220ad3edcfbefcebb35c685212d1" title="Searches the internal timezone table for the first matching Code.">GetTimeZoneCode</a>(<span class="keywordtype">signed</span> <span class="keywordtype">short</span> HourOffset,
 191 <a name="l00169"></a>00169                                <span class="keywordtype">signed</span> <span class="keywordtype">short</span> MinOffset)
 192 <a name="l00170"></a>00170 {
 193 <a name="l00171"></a>00171         <span class="keywordflow">for</span>( TimeZone *z = Zones; z-&gt;Name; z++ ) {
 194 <a name="l00172"></a>00172                 <span class="keywordflow">if</span>( HourOffset == z-&gt;HourOffset &amp;&amp; MinOffset == z-&gt;MinOffset )
 195 <a name="l00173"></a>00173                         <span class="keywordflow">return</span> z-&gt;Code;
 196 <a name="l00174"></a>00174         }
 197 <a name="l00175"></a>00175         <span class="keywordflow">return</span> TIME_ZONE_CODE_ERR;
 198 <a name="l00176"></a>00176 }
 199 <a name="l00177"></a>00177 <span class="comment"></span>
 200 <a name="l00178"></a>00178 <span class="comment">/// This routine takes the day of the year and</span>
 201 <a name="l00179"></a>00179 <span class="comment">/// returns a time_t adjusted from the first of</span>
 202 <a name="l00180"></a>00180 <span class="comment">/// the year.</span>
 203 <a name="l00181"></a>00181 <span class="comment">///</span>
 204 <a name="l00182"></a>00182 <span class="comment">/// FIXME This function assumes the year hasn't changed,</span>
 205 <a name="l00183"></a>00183 <span class="comment">/// but I don't have enough information to determine</span>
 206 <a name="l00184"></a>00184 <span class="comment">/// where the year is in this header info</span>
 207 <a name="l00185"></a>00185 <span class="comment">///</span>
 208 <a name="l00186"></a><a class="code" href="namespaceBarry.html#30255c53ebed390fc98a50e9c5d49984">00186</a> <span class="comment"></span>time_t <a class="code" href="namespaceBarry.html#30255c53ebed390fc98a50e9c5d49984" title="This routine takes the day of the year and returns a time_t adjusted from the first...">DayToDate</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> Day )
 209 <a name="l00187"></a>00187 {
 210 <a name="l00188"></a>00188         <span class="keyword">struct </span>tm *now, then;
 211 <a name="l00189"></a>00189         time_t t = time( NULL );
 212 <a name="l00190"></a>00190
 213 <a name="l00191"></a>00191         now = localtime( &amp;t ); <span class="comment">// need this to get year</span>
 214 <a name="l00192"></a>00192         <span class="comment">// set to Jan 1 midnight, this year;</span>
 215 <a name="l00193"></a>00193         then.tm_sec = 0;
 216 <a name="l00194"></a>00194         then.tm_min = 0;
 217 <a name="l00195"></a>00195         then.tm_hour = 0;
 218 <a name="l00196"></a>00196         then.tm_mday = 0;
 219 <a name="l00197"></a>00197         then.tm_mon = 0;
 220 <a name="l00198"></a>00198         then.tm_year = now-&gt;tm_year;
 221 <a name="l00199"></a>00199         then.tm_isdst = -1;
 222 <a name="l00200"></a>00200         t = mktime(&amp;then);
 223 <a name="l00201"></a>00201         t -= 60*60;                     <span class="comment">// need to subract an hour</span>
 224 <a name="l00202"></a>00202         t += Day * 24 * 60 * 60;        <span class="comment">// Add the day converted to seconds</span>
 225 <a name="l00203"></a>00203
 226 <a name="l00204"></a>00204         <span class="keywordflow">return</span> t;
 227 <a name="l00205"></a>00205 }
 228 <a name="l00206"></a>00206
 229 <a name="l00207"></a>00207 <span class="comment">//</span>
 230 <a name="l00208"></a>00208 <span class="comment">// Message2Time</span>
 231 <a name="l00209"></a>00209 <span class="comment">//</span><span class="comment"></span>
 232 <a name="l00210"></a>00210 <span class="comment">/// Localize the funky math used to convert a Blackberry message</span>
 233 <a name="l00211"></a>00211 <span class="comment">/// timestamp into a time_t.</span>
 234 <a name="l00212"></a>00212 <span class="comment">///</span>
 235 <a name="l00213"></a>00213 <span class="comment">/// Both r_date and r_time are expected to be fed in from the</span>
 236 <a name="l00214"></a>00214 <span class="comment">/// Protocol::MessageRecord struct in raw form, without endian</span>
 237 <a name="l00215"></a>00215 <span class="comment">/// conversion.  This function handles that.</span>
 238 <a name="l00216"></a>00216 <span class="comment">///</span>
 239 <a name="l00217"></a><a class="code" href="namespaceBarry.html#2f4e6ee9d4afc6a26ae0166329609600">00217</a> <span class="comment"></span>time_t <a class="code" href="namespaceBarry.html#2f4e6ee9d4afc6a26ae0166329609600" title="Localize the funky math used to convert a Blackberry message timestamp into a time_t...">Message2Time</a>(uint16_t r_date, uint16_t r_time)
 240 <a name="l00218"></a>00218 {
 241 <a name="l00219"></a>00219         dout(<span class="stringliteral">"Message2Time(0x"</span> &lt;&lt; std::hex &lt;&lt; btohs(r_date) &lt;&lt; <span class="stringliteral">", 0x"</span>
 242 <a name="l00220"></a>00220                 &lt;&lt; btohs(r_time) &lt;&lt; <span class="stringliteral">")"</span>);
 243 <a name="l00221"></a>00221
 244 <a name="l00222"></a>00222         time_t result = ( btohs(r_date) &amp; 0x01ff ) - 0x29;
 245 <a name="l00223"></a>00223         result = <a class="code" href="namespaceBarry.html#30255c53ebed390fc98a50e9c5d49984" title="This routine takes the day of the year and returns a time_t adjusted from the first...">DayToDate</a>( result );
 246 <a name="l00224"></a>00224         result += (time_t)( btohs(r_time)*1.77 );
 247 <a name="l00225"></a>00225
 248 <a name="l00226"></a>00226         dout(<span class="stringliteral">"Message2Time result: "</span> &lt;&lt; ctime(&amp;result));
 249 <a name="l00227"></a>00227         <span class="keywordflow">return</span> result;
 250 <a name="l00228"></a>00228 }
 251 <a name="l00229"></a>00229
 252 <a name="l00230"></a>00230 <span class="comment">//</span>
 253 <a name="l00231"></a>00231 <span class="comment">// ThreadTimeout</span>
 254 <a name="l00232"></a>00232 <span class="comment">//</span><span class="comment"></span>
 255 <a name="l00233"></a>00233 <span class="comment">/// Creates a pthread_cond_timedwait() compatible timespec struct,</span>
 256 <a name="l00234"></a>00234 <span class="comment">/// based on a given timeout in milliseconds.  Note that the resulting</span>
 257 <a name="l00235"></a>00235 <span class="comment">/// timespec is time-sensitive: the 'timer' starts as soon as this function</span>
 258 <a name="l00236"></a>00236 <span class="comment">/// returns, since timespec is a specific time in the future,</span>
 259 <a name="l00237"></a>00237 <span class="comment">/// and ThreadTimeout() calculates it based on the current time.</span>
 260 <a name="l00238"></a>00238 <span class="comment">///</span>
 261 <a name="l00239"></a>00239 <span class="comment">/// Returns the spec pointer, to make it easy to use with</span>
 262 <a name="l00240"></a>00240 <span class="comment">/// pthread_cond_timedwait()</span>
 263 <a name="l00241"></a>00241 <span class="comment">///</span>
 264 <a name="l00242"></a><a class="code" href="namespaceBarry.html#0e1dc80f82d25739631c39b545f812bb">00242</a> <span class="comment"></span>BXEXPORT <span class="keyword">struct </span>timespec* <a class="code" href="namespaceBarry.html#0e1dc80f82d25739631c39b545f812bb" title="Creates a pthread_cond_timedwait() compatible timespec struct, based on a given timeout...">ThreadTimeout</a>(<span class="keywordtype">int</span> timeout_ms, <span class="keyword">struct</span> timespec *spec)
 265 <a name="l00243"></a>00243 {
 266 <a name="l00244"></a>00244         <span class="keyword">struct </span>timeval now;
 267 <a name="l00245"></a>00245         gettimeofday(&amp;now, NULL);
 268 <a name="l00246"></a>00246
 269 <a name="l00247"></a>00247         spec-&gt;tv_sec = now.tv_sec + timeout_ms / 1000;
 270 <a name="l00248"></a>00248         spec-&gt;tv_nsec = (now.tv_usec + timeout_ms % 1000 * 1000) * 1000;
 271 <a name="l00249"></a>00249
 272 <a name="l00250"></a>00250         <span class="keywordflow">return</span> spec;
 273 <a name="l00251"></a>00251 }
 274 <a name="l00252"></a>00252
 275 <a name="l00253"></a>00253
 276 <a name="l00254"></a>00254
 277 <a name="l00255"></a>00255 } <span class="comment">// namespace Barry</span>
 278 <a name="l00256"></a>00256
 279 <a name="l00257"></a>00257
 280 <a name="l00258"></a>00258 <span class="preprocessor">#ifdef __TEST_MODE__</span>
 281 <a name="l00259"></a>00259 <span class="preprocessor"></span>
 282 <a name="l00260"></a>00260 <span class="preprocessor">#include &lt;iostream&gt;</span>
 283 <a name="l00261"></a>00261 <span class="preprocessor">#include &lt;iomanip&gt;</span>
 284 <a name="l00262"></a>00262
 285 <a name="l00263"></a>00263 <span class="keyword">using namespace </span>std;
 286 <a name="l00264"></a>00264 <span class="keyword">using namespace </span>Barry;
 287 <a name="l00265"></a>00265
 288 <a name="l00266"></a>00266 <span class="keywordtype">void</span> display(<span class="keyword">const</span> <span class="keywordtype">char</span> *msg, time_t t)
 289 <a name="l00267"></a>00267 {
 290 <a name="l00268"></a>00268         cout &lt;&lt; msg &lt;&lt; <span class="stringliteral">": "</span> &lt;&lt; ctime(&amp;t);
 291 <a name="l00269"></a>00269         cout &lt;&lt; msg &lt;&lt; <span class="stringliteral">" seconds: "</span>
 292 <a name="l00270"></a>00270                 &lt;&lt; setbase(10) &lt;&lt; t
 293 <a name="l00271"></a>00271                 &lt;&lt; <span class="stringliteral">"(0x"</span> &lt;&lt; setbase(16) &lt;&lt; t &lt;&lt; <span class="stringliteral">")"</span>
 294 <a name="l00272"></a>00272                 &lt;&lt; endl;
 295 <a name="l00273"></a>00273         cout &lt;&lt; msg &lt;&lt; <span class="stringliteral">" minutes: "</span>
 296 <a name="l00274"></a>00274                 &lt;&lt; setbase(10) &lt;&lt; (t/60)
 297 <a name="l00275"></a>00275                 &lt;&lt; <span class="stringliteral">"(0x"</span> &lt;&lt; setbase(16) &lt;&lt; (t/60) &lt;&lt; <span class="stringliteral">")"</span>
 298 <a name="l00276"></a>00276                 &lt;&lt; endl;
 299 <a name="l00277"></a>00277         cout &lt;&lt; endl;
 300 <a name="l00278"></a>00278 }
 301 <a name="l00279"></a>00279
 302 <a name="l00280"></a>00280 <span class="keywordtype">void</span> calc(<span class="keyword">const</span> <span class="keywordtype">char</span> *msg, time_t t, min1900_t dbval)
 303 <a name="l00281"></a>00281 {
 304 <a name="l00282"></a>00282         cout &lt;&lt; msg &lt;&lt; endl;
 305 <a name="l00283"></a>00283         display(<span class="stringliteral">"    Initial time"</span>, t);
 306 <a name="l00284"></a>00284         display(<span class="stringliteral">"    DB Val"</span>, min2time(dbval));
 307 <a name="l00285"></a>00285 }
 308 <a name="l00286"></a>00286
 309 <a name="l00287"></a>00287 <span class="keywordtype">int</span> main()
 310 <a name="l00288"></a>00288 {
 311 <a name="l00289"></a>00289         <span class="keyword">struct </span>tm start;
 312 <a name="l00290"></a>00290         time_t t;
 313 <a name="l00291"></a>00291
 314 <a name="l00292"></a>00292         <span class="comment">// set to Oct 4, 2005, 2pm;</span>
 315 <a name="l00293"></a>00293         start.tm_sec = 0;
 316 <a name="l00294"></a>00294         start.tm_min = 0;
 317 <a name="l00295"></a>00295         start.tm_hour = 14;
 318 <a name="l00296"></a>00296         start.tm_mday = 4;
 319 <a name="l00297"></a>00297         start.tm_mon = 9;
 320 <a name="l00298"></a>00298         start.tm_year = 105;
 321 <a name="l00299"></a>00299         start.tm_isdst = -1;
 322 <a name="l00300"></a>00300         t = mktime(&amp;start);
 323 <a name="l00301"></a>00301         calc(<span class="stringliteral">"Oct 4"</span>, t, 0x0350c118);
 324 <a name="l00302"></a>00302
 325 <a name="l00303"></a>00303         <span class="comment">// comparison</span>
 326 <a name="l00304"></a>00304         t = time(NULL);
 327 <a name="l00305"></a>00305         min1900_t m = time2min(t);
 328 <a name="l00306"></a>00306         time_t tc = min2time(m);
 329 <a name="l00307"></a>00307         cout &lt;&lt; <span class="stringliteral">"Original time: "</span> &lt;&lt; t &lt;&lt; endl;
 330 <a name="l00308"></a>00308         cout &lt;&lt; <span class="stringliteral">"time2min:      "</span> &lt;&lt; m &lt;&lt; endl;
 331 <a name="l00309"></a>00309         cout &lt;&lt; <span class="stringliteral">"min2time:      "</span> &lt;&lt; tc &lt;&lt; endl;
 332 <a name="l00310"></a>00310         <span class="keywordflow">if</span>( t == (tc + t % 60) )
 333 <a name="l00311"></a>00311                 cout &lt;&lt; <span class="stringliteral">"Success! (orig == converted + mod)"</span> &lt;&lt; endl;
 334 <a name="l00312"></a>00312         <span class="keywordflow">else</span>
 335 <a name="l00313"></a>00313                 cout &lt;&lt; <span class="stringliteral">"Failed!"</span> &lt;&lt; endl;
 336 <a name="l00314"></a>00314
 337 <a name="l00315"></a>00315         <span class="comment">// time zone</span>
 338 <a name="l00316"></a>00316         cout &lt;&lt; <span class="stringliteral">"Should say Eastern: "</span> &lt;&lt; <a class="code" href="namespaceBarry.html#8b42d46bf7b5cb8f4d9e0bde1d61f226" title="Searches the internal timezone code table for the given Code and returns a pointer...">GetTimeZone</a>(0x23)-&gt;Name &lt;&lt; endl;
 339 <a name="l00317"></a>00317         cout &lt;&lt; <span class="stringliteral">"should say Unknown: "</span> &lt;&lt; <a class="code" href="namespaceBarry.html#8b42d46bf7b5cb8f4d9e0bde1d61f226" title="Searches the internal timezone code table for the given Code and returns a pointer...">GetTimeZone</a>(0xffff)-&gt;Name &lt;&lt; endl;
 340 <a name="l00318"></a>00318 }
 341 <a name="l00319"></a>00319
 342 <a name="l00320"></a>00320 <span class="preprocessor">#endif</span>
 343 <a name="l00321"></a>00321 <span class="preprocessor"></span>
 344 </pre></div></div>
 345 <hr size="1"><address style="text-align: right;"><small>Generated on Thu Feb 10 16:13:59 2011 for Barry by&nbsp;
 346 <a href="http://www.doxygen.org/index.html">
 347 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
 348 </body>
 349 </html>