<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en_US" xml:lang="en_US"> <head> <title>libkdegames: kgameprocess.cpp Source File (libkdegames)</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="pics-label" content='(pics-1.1 "http://www.icra.org/ratingsv02.html" comment "ICRAonline DE v2.0" l gen true for "http://www.kde.org" r (nz 1 vz 1 lz 1 oz 1 cb 1) "http://www.rsac.org/ratingsv01.html" l gen true for "http://www.kde.org" r (n 0 s 0 v 0 l 0))' /> <meta name="trademark" content="KDE e.V." /> <meta name="description" content="K Desktop Environment Homepage, KDE.org" /> <meta name="MSSmartTagsPreventParsing" content="true" /> <meta name="robots" content="all" /> <link rel="shortcut icon" href="../../favicon.ico" /> <link rel="stylesheet" media="screen" type="text/css" title="APIDOX" href="doxygen.css" /> </head> <body> <div id="nav_header_top" align="right"> <a href="#content" class="doNotDisplay" accesskey="2">Skip to main content ::</a> <a href="../.."><img id="nav_header_logo" alt="Home" align="left" src="../../kde_gear_64.png" border="0" /></a> <span class="doNotDisplay">::</span> <div id="nav_header_title" align="left">KDE API Reference</div> </div> <div id="nav_header_bottom" align="right"> <span class="doNotDisplay">:: <a href="#navigation" accesskey="5">Skip to Link Menu</a><br/></span> <div id="nav_header_bottom_right" style="text-align: left;"> / <a href="../..">API Reference</a> / <a href=".">libkdegames</a> </div> </div> <table id="main" border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td valign="top" class="menuheader" height="0"></td> <td id="contentcolumn" valign="top" rowspan="2" > <div id="content" style="padding-top: 0px;"><div style="width:100%; margin: 0px; padding: 0px;"> <a name="content"></a> <!-- Generated by Doxygen 1.5.5 --> <h1>kgameprocess.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> <a name="l00002"></a>00002 <span class="comment"> This file is part of the KDE games library</span> <a name="l00003"></a>00003 <span class="comment"> Copyright (C) 2001 Martin Heni (martin@heni-online.de)</span> <a name="l00004"></a>00004 <span class="comment"> Copyright (C) 2001 Andreas Beckermann (b_mann@gmx.de)</span> <a name="l00005"></a>00005 <span class="comment"></span> <a name="l00006"></a>00006 <span class="comment"> This library is free software; you can redistribute it and/or</span> <a name="l00007"></a>00007 <span class="comment"> modify it under the terms of the GNU Library General Public</span> <a name="l00008"></a>00008 <span class="comment"> License version 2 as published by the Free Software Foundation.</span> <a name="l00009"></a>00009 <span class="comment"></span> <a name="l00010"></a>00010 <span class="comment"> This library is distributed in the hope that it will be useful,</span> <a name="l00011"></a>00011 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span> <a name="l00012"></a>00012 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span> <a name="l00013"></a>00013 <span class="comment"> Library General Public License for more details.</span> <a name="l00014"></a>00014 <span class="comment"></span> <a name="l00015"></a>00015 <span class="comment"> You should have received a copy of the GNU Library General Public License</span> <a name="l00016"></a>00016 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span> <a name="l00017"></a>00017 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span> <a name="l00018"></a>00018 <span class="comment"> Boston, MA 02110-1301, USA.</span> <a name="l00019"></a>00019 <span class="comment">*/</span> <a name="l00020"></a>00020 <span class="comment">/*</span> <a name="l00021"></a>00021 <span class="comment"> $Id: kgameprocess.cpp 465369 2005-09-29 14:33:08Z mueller $</span> <a name="l00022"></a>00022 <span class="comment">*/</span> <a name="l00023"></a>00023 <a name="l00024"></a>00024 <span class="preprocessor">#include "kgameprocess.h"</span> <a name="l00025"></a>00025 <span class="preprocessor">#include "kplayer.h"</span> <a name="l00026"></a>00026 <span class="preprocessor">#include "kgame.h"</span> <a name="l00027"></a>00027 <span class="preprocessor">#include "kgamemessage.h"</span> <a name="l00028"></a>00028 <span class="preprocessor">#include "kmessageio.h"</span> <a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="preprocessor">#include <krandomsequence.h></span> <a name="l00031"></a>00031 <a name="l00032"></a>00032 <span class="preprocessor">#include <qbuffer.h></span> <a name="l00033"></a>00033 <span class="preprocessor">#include <qdatastream.h></span> <a name="l00034"></a>00034 <span class="preprocessor">#include <qcstring.h></span> <a name="l00035"></a>00035 <a name="l00036"></a>00036 <span class="preprocessor">#include <assert.h></span> <a name="l00037"></a>00037 <span class="preprocessor">#include <stdio.h></span> <a name="l00038"></a>00038 <span class="preprocessor">#include <stdlib.h></span> <a name="l00039"></a>00039 <span class="preprocessor">#include <unistd.h></span> <a name="l00040"></a>00040 <span class="preprocessor">#include <string.h></span> <a name="l00041"></a>00041 <a name="l00042"></a>00042 <span class="preprocessor">#define READ_BUFFER_SIZE 1024</span> <a name="l00043"></a>00043 <span class="preprocessor"></span> <a name="l00044"></a>00044 <span class="comment">// ----------------------- Process Child ---------------------------</span> <a name="l00045"></a>00045 <a name="l00046"></a><a class="code" href="classKGameProcess.html#6f34a0ef5f5c34df1d13fe62a9f3b63c">00046</a> <a class="code" href="classKGameProcess.html#6f34a0ef5f5c34df1d13fe62a9f3b63c" title="Creates a KGameProcess class.">KGameProcess::KGameProcess</a>() : QObject(0,0) <a name="l00047"></a>00047 { <a name="l00048"></a>00048 mTerminate=<span class="keyword">false</span>; <a name="l00049"></a>00049 <span class="comment">// Check whether a player is set. If not create one!</span> <a name="l00050"></a>00050 rFile.open(IO_ReadOnly|IO_Raw,stdin); <a name="l00051"></a>00051 wFile.open(IO_WriteOnly|IO_Raw,stdout); <a name="l00052"></a>00052 mMessageIO=<span class="keyword">new</span> KMessageFilePipe(<span class="keyword">this</span>,&rFile,&wFile); <a name="l00053"></a>00053 <span class="comment">// mMessageClient=new KMessageClient(this);</span> <a name="l00054"></a>00054 <span class="comment">// mMessageClient->setServer(mMessageIO);</span> <a name="l00055"></a>00055 <span class="comment">// connect (mMessageClient, SIGNAL(broadcastReceived(const QByteArray&, Q_UINT32)),</span> <a name="l00056"></a>00056 <span class="comment">// this, SLOT(receivedMessage(const QByteArray&, Q_UINT32)));</span> <a name="l00057"></a>00057 connect (mMessageIO, SIGNAL(received(<span class="keyword">const</span> QByteArray&)), <a name="l00058"></a>00058 <span class="keyword">this</span>, SLOT(<a class="code" href="classKGameProcess.html#27570120c538871ba5250e162db780e6" title="A message is received via the interprocess connection.">receivedMessage</a>(<span class="keyword">const</span> QByteArray&))); <a name="l00059"></a>00059 fprintf(stderr,<span class="stringliteral">"KGameProcess::constructor %p %p\n"</span>,&rFile,&wFile); <a name="l00060"></a>00060 <a name="l00061"></a>00061 mRandom = <span class="keyword">new</span> KRandomSequence; <a name="l00062"></a>00062 mRandom->setSeed(0); <a name="l00063"></a>00063 } <a name="l00064"></a><a class="code" href="classKGameProcess.html#9419ec97ebf608621a8b6514ddc48f27">00064</a> <a class="code" href="classKGameProcess.html#9419ec97ebf608621a8b6514ddc48f27" title="Destruct the process.">KGameProcess::~KGameProcess</a>() <a name="l00065"></a>00065 { <a name="l00066"></a>00066 <span class="keyword">delete</span> mRandom; <a name="l00067"></a>00067 <span class="comment">//delete mMessageClient;</span> <a name="l00068"></a>00068 <span class="comment">//delete mMessageServer;</span> <a name="l00069"></a>00069 <span class="keyword">delete</span> mMessageIO; <a name="l00070"></a>00070 rFile.close(); <a name="l00071"></a>00071 wFile.close(); <a name="l00072"></a>00072 fprintf(stderr,<span class="stringliteral">"KGameProcess::destructor\n"</span>); <a name="l00073"></a>00073 } <a name="l00074"></a>00074 <a name="l00075"></a>00075 <a name="l00076"></a><a class="code" href="classKGameProcess.html#40967d8b35aee5f5bdb2ef7cfc50fd4e">00076</a> <span class="keywordtype">bool</span> <a class="code" href="classKGameProcess.html#40967d8b35aee5f5bdb2ef7cfc50fd4e" title="Enters the event loop of the computer process.">KGameProcess::exec</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[]) <a name="l00077"></a>00077 { <a name="l00078"></a>00078 <span class="comment">// Get id and cookie, ... from command line</span> <a name="l00079"></a>00079 <a class="code" href="classKGameProcess.html#a3ad604ee94dfba7a070364bca42a06a" title="processes the command line argumens to set up the computer player Pass the argumens...">processArgs</a>(argc,argv); <a name="l00080"></a>00080 <span class="keywordflow">do</span> <a name="l00081"></a>00081 { <a name="l00082"></a>00082 mMessageIO->exec(); <a name="l00083"></a>00083 } <span class="keywordflow">while</span>(!mTerminate); <a name="l00084"></a>00084 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00085"></a>00085 } <a name="l00086"></a>00086 <a name="l00087"></a>00087 <span class="comment">// You have to do this to create a message </span> <a name="l00088"></a>00088 <span class="comment">// QByteArray buffer;</span> <a name="l00089"></a>00089 <span class="comment">// QDataStream wstream(buffer,IO_WriteOnly);</span> <a name="l00090"></a>00090 <span class="comment">// then stream data into the stream and call this function</span> <a name="l00091"></a><a class="code" href="classKGameProcess.html#261048429198c46c126fe3a462591e6d">00091</a> <span class="keywordtype">void</span> <a class="code" href="classKGameProcess.html#261048429198c46c126fe3a462591e6d" title="Sends a system message to the corresonding KGameIO device.">KGameProcess::sendSystemMessage</a>(QDataStream &stream,<span class="keywordtype">int</span> msgid,Q_UINT32 receiver) <a name="l00092"></a>00092 { <a name="l00093"></a>00093 fprintf(stderr,<span class="stringliteral">"KGameProcess::sendMessage id=%d recv=%d"</span>,msgid,receiver); <a name="l00094"></a>00094 QByteArray a; <a name="l00095"></a>00095 QDataStream outstream(a,IO_WriteOnly); <a name="l00096"></a>00096 <a name="l00097"></a>00097 QBuffer *device=(QBuffer *)stream.device(); <a name="l00098"></a>00098 QByteArray data=device->buffer();; <a name="l00099"></a>00099 <a name="l00100"></a>00100 KGameMessage::createHeader(outstream,0,receiver,msgid); <a name="l00101"></a>00101 outstream.writeRawBytes(data.data(),data.size()); <a name="l00102"></a>00102 <a name="l00103"></a>00103 <span class="comment">//if (mMessageClient) mMessageClient->sendBroadcast(a);</span> <a name="l00104"></a>00104 <span class="comment">// TODO: The fixed received 2 will cause problems. But how to address the</span> <a name="l00105"></a>00105 <span class="comment">// proper one?</span> <a name="l00106"></a>00106 <span class="comment">// if (mMessageClient) mMessageClient->sendForward(a,2);</span> <a name="l00107"></a>00107 <span class="keywordflow">if</span> (mMessageIO) mMessageIO->send(a); <a name="l00108"></a>00108 } <a name="l00109"></a>00109 <a name="l00110"></a><a class="code" href="classKGameProcess.html#0667de5598bb696fb506f7ab0bb581b7">00110</a> <span class="keywordtype">void</span> <a class="code" href="classKGameProcess.html#0667de5598bb696fb506f7ab0bb581b7" title="Sends a message to the corresponding KGameIO device.">KGameProcess::sendMessage</a>(QDataStream &stream,<span class="keywordtype">int</span> msgid,Q_UINT32 receiver) <a name="l00111"></a>00111 { <a name="l00112"></a>00112 <a class="code" href="classKGameProcess.html#261048429198c46c126fe3a462591e6d" title="Sends a system message to the corresonding KGameIO device.">sendSystemMessage</a>(stream,msgid+KGameMessage::IdUser,receiver); <a name="l00113"></a>00113 } <a name="l00114"></a>00114 <a name="l00115"></a><a class="code" href="classKGameProcess.html#a3ad604ee94dfba7a070364bca42a06a">00115</a> <span class="keywordtype">void</span> <a class="code" href="classKGameProcess.html#a3ad604ee94dfba7a070364bca42a06a" title="processes the command line argumens to set up the computer player Pass the argumens...">KGameProcess::processArgs</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[]) <a name="l00116"></a>00116 { <a name="l00117"></a>00117 <span class="keywordtype">int</span> v=0; <a name="l00118"></a>00118 <span class="keywordflow">if</span> (argc>2) <a name="l00119"></a>00119 { <a name="l00120"></a>00120 v=atoi(argv[2]); <a name="l00121"></a>00121 <span class="comment">//kdDebug(11001) << "cookie (unused) " << v << endl;</span> <a name="l00122"></a>00122 } <a name="l00123"></a>00123 <span class="keywordflow">if</span> (argc>1) <a name="l00124"></a>00124 { <a name="l00125"></a>00125 v=atoi(argv[1]); <a name="l00126"></a>00126 <span class="comment">//kdDebug(11001) << "id (unused) " << v << endl;</span> <a name="l00127"></a>00127 } <a name="l00128"></a>00128 fprintf(stderr,<span class="stringliteral">"processArgs \n"</span>); <a name="l00129"></a>00129 fflush(stderr); <a name="l00130"></a>00130 } <a name="l00131"></a>00131 <a name="l00132"></a><a class="code" href="classKGameProcess.html#27570120c538871ba5250e162db780e6">00132</a> <span class="keywordtype">void</span> <a class="code" href="classKGameProcess.html#27570120c538871ba5250e162db780e6" title="A message is received via the interprocess connection.">KGameProcess::receivedMessage</a>(<span class="keyword">const</span> QByteArray& receiveBuffer) <a name="l00133"></a>00133 { <a name="l00134"></a>00134 QDataStream stream(receiveBuffer, IO_ReadOnly); <a name="l00135"></a>00135 <span class="keywordtype">int</span> msgid; <a name="l00136"></a>00136 Q_UINT32 sender; <a name="l00137"></a>00137 Q_UINT32 receiver; <a name="l00138"></a>00138 KGameMessage::extractHeader(stream, sender, receiver, msgid); <a name="l00139"></a>00139 fprintf(stderr,<span class="stringliteral">"------ receiveNetworkTransmission(): id=%d sender=%d,recv=%d\n"</span>,msgid,sender,receiver); <a name="l00140"></a>00140 <span class="keywordflow">switch</span>(msgid) <a name="l00141"></a>00141 { <a name="l00142"></a>00142 <span class="keywordflow">case</span> KGameMessage::IdTurn: <a name="l00143"></a>00143 Q_INT8 b; <a name="l00144"></a>00144 stream >> b; <a name="l00145"></a>00145 emit <a class="code" href="classKGameProcess.html#fb4ef05f8e0d4af6953e7196513ba7b7" title="This signal is emmited if the computer player should perform a turn.">signalTurn</a>(stream,(<span class="keywordtype">bool</span>)b); <a name="l00146"></a>00146 <span class="keywordflow">break</span>; <a name="l00147"></a>00147 <span class="keywordflow">case</span> KGameMessage::IdIOAdded: <a name="l00148"></a>00148 Q_INT16 id; <a name="l00149"></a>00149 stream >> id; <a name="l00150"></a>00150 emit <a class="code" href="classKGameProcess.html#f7bad25a5e1425f9b819c9e86b5cf062" title="This signal is emmited when the process is initialized, i.e.">signalInit</a>(stream,(<span class="keywordtype">int</span>)<span class="keywordtype">id</span>); <a name="l00151"></a>00151 <span class="keywordflow">break</span>; <a name="l00152"></a>00152 <span class="keywordflow">default</span>: <a name="l00153"></a>00153 emit <a class="code" href="classKGameProcess.html#5ef2a3adb595ef45eb828e1ac84880ad" title="The generic communication signal.">signalCommand</a>(stream,msgid-KGameMessage::IdUser,receiver,sender); <a name="l00154"></a>00154 <span class="keywordflow">break</span>; <a name="l00155"></a>00155 } <a name="l00156"></a>00156 } <a name="l00157"></a>00157 <a name="l00158"></a>00158 <span class="preprocessor">#include 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