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<h1>kdirwatch.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- c-basic-offset: 2 -*-</span>
<a name="l00002"></a>00002 <span class="comment">/* This file is part of the KDE libraries</span>
<a name="l00003"></a>00003 <span class="comment"> Copyright (C) 1998 Sven Radej <sven@lisa.exp.univie.ac.at></span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment"> modify it under the terms of the GNU Library General Public</span>
<a name="l00007"></a>00007 <span class="comment"> License version 2 as published by the Free Software Foundation.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00012"></a>00012 <span class="comment"> Library General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> You should have received a copy of the GNU Library General Public License</span>
<a name="l00015"></a>00015 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00016"></a>00016 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00017"></a>00017 <span class="comment"> Boston, MA 02110-1301, USA.</span>
<a name="l00018"></a>00018 <span class="comment">*/</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="comment">// CHANGES:</span>
<a name="l00022"></a>00022 <span class="comment">// Oct 4, 2005 - Inotify support (Dirk Mueller)</span>
<a name="l00023"></a>00023 <span class="comment">// Februar 2002 - Add file watching and remote mount check for STAT</span>
<a name="l00024"></a>00024 <span class="comment">// Mar 30, 2001 - Native support for Linux dir change notification.</span>
<a name="l00025"></a>00025 <span class="comment">// Jan 28, 2000 - Usage of FAM service on IRIX (Josef.Weidendorfer@in.tum.de)</span>
<a name="l00026"></a>00026 <span class="comment">// May 24. 1998 - List of times introduced, and some bugs are fixed. (sven)</span>
<a name="l00027"></a>00027 <span class="comment">// May 23. 1998 - Removed static pointer - you can have more instances.</span>
<a name="l00028"></a>00028 <span class="comment">// It was Needed for KRegistry. KDirWatch now emits signals and doesn't</span>
<a name="l00029"></a>00029 <span class="comment">// call (or need) KFM. No more URL's - just plain paths. (sven)</span>
<a name="l00030"></a>00030 <span class="comment">// Mar 29. 1998 - added docs, stop/restart for particular Dirs and</span>
<a name="l00031"></a>00031 <span class="comment">// deep copies for list of dirs. (sven)</span>
<a name="l00032"></a>00032 <span class="comment">// Mar 28. 1998 - Created. (sven)</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="preprocessor">#include <config.h></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <errno.h></span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span><span class="preprocessor">#include <unistd.h></span>
<a name="l00040"></a>00040 <span class="preprocessor">#include <time.h></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include <fcntl.h></span>
<a name="l00042"></a>00042 <span class="preprocessor">#include <signal.h></span>
<a name="l00043"></a>00043 <span class="preprocessor">#include <errno.h></span>
<a name="l00044"></a>00044 <span class="preprocessor">#endif</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span>
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="preprocessor">#include <sys/stat.h></span>
<a name="l00048"></a>00048 <span class="preprocessor">#include <assert.h></span>
<a name="l00049"></a>00049 <span class="preprocessor">#include <qdir.h></span>
<a name="l00050"></a>00050 <span class="preprocessor">#include <qfile.h></span>
<a name="l00051"></a>00051 <span class="preprocessor">#include <qintdict.h></span>
<a name="l00052"></a>00052 <span class="preprocessor">#include <qptrlist.h></span>
<a name="l00053"></a>00053 <span class="preprocessor">#include <qsocketnotifier.h></span>
<a name="l00054"></a>00054 <span class="preprocessor">#include <qstringlist.h></span>
<a name="l00055"></a>00055 <span class="preprocessor">#include <qtimer.h></span>
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="preprocessor">#include <kapplication.h></span>
<a name="l00058"></a>00058 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00059"></a>00059 <span class="preprocessor">#include <kconfig.h></span>
<a name="l00060"></a>00060 <span class="preprocessor">#include <kglobal.h></span>
<a name="l00061"></a>00061 <span class="preprocessor">#include <kstaticdeleter.h></span>
<a name="l00062"></a>00062 <span class="preprocessor">#include <kde_file.h></span>
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="comment">// debug</span>
<a name="l00065"></a>00065 <span class="preprocessor">#include <sys/ioctl.h></span>
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span><span class="preprocessor">#include <unistd.h></span>
<a name="l00069"></a>00069 <span class="preprocessor">#include <fcntl.h></span>
<a name="l00070"></a>00070 <span class="preprocessor">#include <sys/syscall.h></span>
<a name="l00071"></a>00071 <span class="preprocessor">#include <linux/types.h></span>
<a name="l00072"></a>00072 <span class="comment">// Linux kernel headers are documented to not compile</span>
<a name="l00073"></a>00073 <span class="preprocessor">#define _S390_BITOPS_H</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span><span class="preprocessor">#include <linux/inotify.h></span>
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> inotify_init (<span class="keywordtype">void</span>)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="keywordflow">return</span> syscall (__NR_inotify_init);
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> inotify_add_watch (<span class="keywordtype">int</span> fd, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, __u32 mask)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 <span class="keywordflow">return</span> syscall (__NR_inotify_add_watch, fd, name, mask);
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> inotify_rm_watch (<span class="keywordtype">int</span> fd, __u32 wd)
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 <span class="keywordflow">return</span> syscall (__NR_inotify_rm_watch, fd, wd);
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="preprocessor">#ifndef IN_ONLYDIR</span>
<a name="l00092"></a>00092 <span class="preprocessor"></span><span class="preprocessor">#define IN_ONLYDIR 0x01000000 </span>
<a name="l00093"></a>00093 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00094"></a>00094 <span class="preprocessor"></span>
<a name="l00095"></a>00095 <span class="preprocessor">#ifndef IN_DONT_FOLLOW</span>
<a name="l00096"></a>00096 <span class="preprocessor"></span><span class="preprocessor">#define IN_DONT_FOLLOW 0x02000000</span>
<a name="l00097"></a>00097 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00098"></a>00098 <span class="preprocessor"></span>
<a name="l00099"></a>00099 <span class="preprocessor">#ifndef IN_MOVE_SELF</span>
<a name="l00100"></a>00100 <span class="preprocessor"></span><span class="preprocessor">#define IN_MOVE_SELF 0x00000800</span>
<a name="l00101"></a>00101 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00102"></a>00102 <span class="preprocessor"></span>
<a name="l00103"></a>00103 <span class="preprocessor">#endif</span>
<a name="l00104"></a>00104 <span class="preprocessor"></span>
<a name="l00105"></a>00105 <span class="preprocessor">#include <sys/utsname.h></span>
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="preprocessor">#include "kdirwatch.h"</span>
<a name="l00108"></a>00108 <span class="preprocessor">#include "kdirwatch_p.h"</span>
<a name="l00109"></a>00109 <span class="preprocessor">#include "global.h"</span> <span class="comment">// KIO::probably_slow_mounted</span>
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="preprocessor">#define NO_NOTIFY (time_t) 0</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span>
<a name="l00113"></a>00113 <span class="keyword">static</span> KDirWatchPrivate* dwp_self = 0;
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00116"></a>00116 <span class="preprocessor"></span>
<a name="l00117"></a>00117 <span class="keyword">static</span> <span class="keywordtype">int</span> dnotify_signal = 0;
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="comment">/* DNOTIFY signal handler</span>
<a name="l00120"></a>00120 <span class="comment"> *</span>
<a name="l00121"></a>00121 <span class="comment"> * As this is called asynchronously, only a flag is set and</span>
<a name="l00122"></a>00122 <span class="comment"> * a rescan is requested.</span>
<a name="l00123"></a>00123 <span class="comment"> * This is done by writing into a pipe to trigger a QSocketNotifier</span>
<a name="l00124"></a>00124 <span class="comment"> * watching on this pipe: a timer is started and after a timeout,</span>
<a name="l00125"></a>00125 <span class="comment"> * the rescan is done.</span>
<a name="l00126"></a>00126 <span class="comment"> */</span>
<a name="l00127"></a>00127 <span class="keywordtype">void</span> KDirWatchPrivate::dnotify_handler(<span class="keywordtype">int</span>, siginfo_t *si, <span class="keywordtype">void</span> *)
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 <span class="keywordflow">if</span> (!dwp_self) <span class="keywordflow">return</span>;
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="comment">// write might change errno, we have to save it and restore it</span>
<a name="l00132"></a>00132 <span class="comment">// (Richard Stevens, Advanced programming in the Unix Environment)</span>
<a name="l00133"></a>00133 <span class="keywordtype">int</span> saved_errno = errno;
<a name="l00134"></a>00134
<a name="l00135"></a>00135 Entry* e = dwp_self->fd_Entry.find(si->si_fd);
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="comment">// kdDebug(7001) << "DNOTIFY Handler: fd " << si->si_fd << " path "</span>
<a name="l00138"></a>00138 <span class="comment">// << QString(e ? e->path:"unknown") << endl;</span>
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keywordflow">if</span>(e && e->dn_fd == si->si_fd)
<a name="l00141"></a>00141 e->dirty = <span class="keyword">true</span>;
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keywordtype">char</span> c = 0;
<a name="l00144"></a>00144 write(dwp_self->mPipe[1], &c, 1);
<a name="l00145"></a>00145 errno = saved_errno;
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="keyword">static</span> <span class="keyword">struct </span>sigaction old_sigio_act;
<a name="l00149"></a>00149 <span class="comment">/* DNOTIFY SIGIO signal handler</span>
<a name="l00150"></a>00150 <span class="comment"> *</span>
<a name="l00151"></a>00151 <span class="comment"> * When the kernel queue for the dnotify_signal overflows, a SIGIO is send.</span>
<a name="l00152"></a>00152 <span class="comment"> */</span>
<a name="l00153"></a>00153 <span class="keywordtype">void</span> KDirWatchPrivate::dnotify_sigio_handler(<span class="keywordtype">int</span> sig, siginfo_t *si, <span class="keywordtype">void</span> *p)
<a name="l00154"></a>00154 {
<a name="l00155"></a>00155 <span class="keywordflow">if</span> (dwp_self)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 <span class="comment">// write might change errno, we have to save it and restore it</span>
<a name="l00158"></a>00158 <span class="comment">// (Richard Stevens, Advanced programming in the Unix Environment)</span>
<a name="l00159"></a>00159 <span class="keywordtype">int</span> saved_errno = errno;
<a name="l00160"></a>00160
<a name="l00161"></a>00161 dwp_self->rescan_all = <span class="keyword">true</span>;
<a name="l00162"></a>00162 <span class="keywordtype">char</span> c = 0;
<a name="l00163"></a>00163 write(dwp_self->mPipe[1], &c, 1);
<a name="l00164"></a>00164
<a name="l00165"></a>00165 errno = saved_errno;
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="comment">// Call previous signal handler</span>
<a name="l00169"></a>00169 <span class="keywordflow">if</span> (old_sigio_act.sa_flags & SA_SIGINFO)
<a name="l00170"></a>00170 {
<a name="l00171"></a>00171 <span class="keywordflow">if</span> (old_sigio_act.sa_sigaction)
<a name="l00172"></a>00172 (*old_sigio_act.sa_sigaction)(sig, si, p);
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174 <span class="keywordflow">else</span>
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 <span class="keywordflow">if</span> ((old_sigio_act.sa_handler != SIG_DFL) &&
<a name="l00177"></a>00177 (old_sigio_act.sa_handler != SIG_IGN))
<a name="l00178"></a>00178 (*old_sigio_act.sa_handler)(sig);
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181 <span class="preprocessor">#endif</span>
<a name="l00182"></a>00182 <span class="preprocessor"></span>
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="comment">//</span>
<a name="l00185"></a>00185 <span class="comment">// Class KDirWatchPrivate (singleton)</span>
<a name="l00186"></a>00186 <span class="comment">//</span>
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="comment">/* All entries (files/directories) to be watched in the</span>
<a name="l00189"></a>00189 <span class="comment"> * application (coming from multiple KDirWatch instances)</span>
<a name="l00190"></a>00190 <span class="comment"> * are registered in a single KDirWatchPrivate instance.</span>
<a name="l00191"></a>00191 <span class="comment"> *</span>
<a name="l00192"></a>00192 <span class="comment"> * At the moment, the following methods for file watching</span>
<a name="l00193"></a>00193 <span class="comment"> * are supported:</span>
<a name="l00194"></a>00194 <span class="comment"> * - Polling: All files to be watched are polled regularly</span>
<a name="l00195"></a>00195 <span class="comment"> * using stat (more precise: QFileInfo.lastModified()).</span>
<a name="l00196"></a>00196 <span class="comment"> * The polling frequency is determined from global kconfig</span>
<a name="l00197"></a>00197 <span class="comment"> * settings, defaulting to 500 ms for local directories</span>
<a name="l00198"></a>00198 <span class="comment"> * and 5000 ms for remote mounts</span>
<a name="l00199"></a>00199 <span class="comment"> * - FAM (File Alternation Monitor): first used on IRIX, SGI</span>
<a name="l00200"></a>00200 <span class="comment"> * has ported this method to LINUX. It uses a kernel part</span>
<a name="l00201"></a>00201 <span class="comment"> * (IMON, sending change events to /dev/imon) and a user</span>
<a name="l00202"></a>00202 <span class="comment"> * level damon (fam), to which applications connect for</span>
<a name="l00203"></a>00203 <span class="comment"> * notification of file changes. For NFS, the fam damon</span>
<a name="l00204"></a>00204 <span class="comment"> * on the NFS server machine is used; if IMON is not built</span>
<a name="l00205"></a>00205 <span class="comment"> * into the kernel, fam uses polling for local files.</span>
<a name="l00206"></a>00206 <span class="comment"> * - DNOTIFY: In late LINUX 2.3.x, directory notification was</span>
<a name="l00207"></a>00207 <span class="comment"> * introduced. By opening a directory, you can request for</span>
<a name="l00208"></a>00208 <span class="comment"> * UNIX signals to be sent to the process when a directory</span>
<a name="l00209"></a>00209 <span class="comment"> * is changed.</span>
<a name="l00210"></a>00210 <span class="comment"> * - INOTIFY: In LINUX 2.6.13, inode change notification was</span>
<a name="l00211"></a>00211 <span class="comment"> * introduced. You're now able to watch arbitrary inode's</span>
<a name="l00212"></a>00212 <span class="comment"> * for changes, and even get notification when they're</span>
<a name="l00213"></a>00213 <span class="comment"> * unmounted.</span>
<a name="l00214"></a>00214 <span class="comment"> */</span>
<a name="l00215"></a>00215
<a name="l00216"></a>00216 KDirWatchPrivate::KDirWatchPrivate()
<a name="l00217"></a>00217 : rescan_timer(0, <span class="stringliteral">"KDirWatchPrivate::rescan_timer"</span>)
<a name="l00218"></a>00218 {
<a name="l00219"></a>00219 timer = <span class="keyword">new</span> <a class="codeRef" doxygen="qt.tag:" href="qtimer.html">QTimer</a>(<span class="keyword">this</span>, <span class="stringliteral">"KDirWatchPrivate::timer"</span>);
<a name="l00220"></a>00220 connect (timer, SIGNAL(timeout()), <span class="keyword">this</span>, SLOT(slotRescan()));
<a name="l00221"></a>00221 freq = 3600000; <span class="comment">// 1 hour as upper bound</span>
<a name="l00222"></a>00222 statEntries = 0;
<a name="l00223"></a>00223 delayRemove = <span class="keyword">false</span>;
<a name="l00224"></a>00224 m_ref = 0;
<a name="l00225"></a>00225
<a name="l00226"></a>00226 KConfigGroup config(KGlobal::config(), <a class="codeRef" doxygen="qt.tag:" href="qcstring.html">QCString</a>(<span class="stringliteral">"DirWatch"</span>));
<a name="l00227"></a>00227 m_nfsPollInterval = config.readNumEntry(<span class="stringliteral">"NFSPollInterval"</span>, 5000);
<a name="l00228"></a>00228 m_PollInterval = config.readNumEntry(<span class="stringliteral">"PollInterval"</span>, 500);
<a name="l00229"></a>00229
<a name="l00230"></a>00230 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> available(<span class="stringliteral">"Stat"</span>);
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="comment">// used for FAM and DNOTIFY</span>
<a name="l00233"></a>00233 rescan_all = <span class="keyword">false</span>;
<a name="l00234"></a>00234 connect(&rescan_timer, SIGNAL(timeout()), <span class="keyword">this</span>, SLOT(slotRescan()));
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l00237"></a>00237 <span class="preprocessor"></span> <span class="comment">// It's possible that FAM server can't be started</span>
<a name="l00238"></a>00238 <span class="keywordflow">if</span> (FAMOpen(&fc) ==0) {
<a name="l00239"></a>00239 available += <span class="stringliteral">", FAM"</span>;
<a name="l00240"></a>00240 use_fam=<span class="keyword">true</span>;
<a name="l00241"></a>00241 sn = <span class="keyword">new</span> <a class="codeRef" doxygen="qt.tag:" href="qsocketnotifier.html">QSocketNotifier</a>( FAMCONNECTION_GETFD(&fc),
<a name="l00242"></a>00242 QSocketNotifier::Read, <span class="keyword">this</span>);
<a name="l00243"></a>00243 connect( sn, SIGNAL(activated(<span class="keywordtype">int</span>)),
<a name="l00244"></a>00244 <span class="keyword">this</span>, SLOT(famEventReceived()) );
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246 <span class="keywordflow">else</span> {
<a name="l00247"></a>00247 kdDebug(7001) << <span class="stringliteral">"Can't use FAM (fam daemon not running?)"</span> << endl;
<a name="l00248"></a>00248 use_fam=<span class="keyword">false</span>;
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250 <span class="preprocessor">#endif</span>
<a name="l00251"></a>00251 <span class="preprocessor"></span>
<a name="l00252"></a>00252 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00253"></a>00253 <span class="preprocessor"></span> supports_inotify = <span class="keyword">true</span>;
<a name="l00254"></a>00254
<a name="l00255"></a>00255 m_inotify_fd = inotify_init();
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keywordflow">if</span> ( m_inotify_fd <= 0 ) {
<a name="l00258"></a>00258 kdDebug(7001) << <span class="stringliteral">"Can't use Inotify, kernel doesn't support it"</span> << endl;
<a name="l00259"></a>00259 supports_inotify = <span class="keyword">false</span>;
<a name="l00260"></a>00260 }
<a name="l00261"></a>00261
<a name="l00262"></a>00262 {
<a name="l00263"></a>00263 <span class="keyword">struct </span>utsname uts;
<a name="l00264"></a>00264 <span class="keywordtype">int</span> major, minor, patch;
<a name="l00265"></a>00265 <span class="keywordflow">if</span> (uname(&uts) < 0)
<a name="l00266"></a>00266 supports_inotify = <span class="keyword">false</span>; <span class="comment">// *shrug*</span>
<a name="l00267"></a>00267 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (sscanf(uts.release, <span class="stringliteral">"%d.%d.%d"</span>, &major, &minor, &patch) != 3)
<a name="l00268"></a>00268 supports_inotify = <span class="keyword">false</span>; <span class="comment">// *shrug*</span>
<a name="l00269"></a>00269 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( major * 1000000 + minor * 1000 + patch < 2006014 ) { <span class="comment">// <2.6.14</span>
<a name="l00270"></a>00270 kdDebug(7001) << <span class="stringliteral">"Can't use INotify, Linux kernel too old"</span> << endl;
<a name="l00271"></a>00271 supports_inotify = <span class="keyword">false</span>;
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273 }
<a name="l00274"></a>00274
<a name="l00275"></a>00275 <span class="keywordflow">if</span> ( supports_inotify ) {
<a name="l00276"></a>00276 available += <span class="stringliteral">", Inotify"</span>;
<a name="l00277"></a>00277 fcntl(m_inotify_fd, F_SETFD, FD_CLOEXEC);
<a name="l00278"></a>00278
<a name="l00279"></a>00279 mSn = <span class="keyword">new</span> <a class="codeRef" doxygen="qt.tag:" href="qsocketnotifier.html">QSocketNotifier</a>( m_inotify_fd, QSocketNotifier::Read, <span class="keyword">this</span> );
<a name="l00280"></a>00280 connect( mSn, SIGNAL(activated( <span class="keywordtype">int</span> )), <span class="keyword">this</span>, SLOT( slotActivated() ) );
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282 <span class="preprocessor">#endif</span>
<a name="l00283"></a>00283 <span class="preprocessor"></span>
<a name="l00284"></a>00284 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00285"></a>00285 <span class="preprocessor"></span>
<a name="l00286"></a>00286 <span class="comment">// if we have inotify, disable dnotify.</span>
<a name="l00287"></a>00287 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00288"></a>00288 <span class="preprocessor"></span> supports_dnotify = !supports_inotify;
<a name="l00289"></a>00289 <span class="preprocessor">#else</span>
<a name="l00290"></a>00290 <span class="preprocessor"></span> <span class="comment">// otherwise, not guilty until proven guilty.</span>
<a name="l00291"></a>00291 supports_dnotify = <span class="keyword">true</span>;
<a name="l00292"></a>00292 <span class="preprocessor">#endif</span>
<a name="l00293"></a>00293 <span class="preprocessor"></span>
<a name="l00294"></a>00294 <span class="keyword">struct </span>utsname uts;
<a name="l00295"></a>00295 <span class="keywordtype">int</span> major, minor, patch;
<a name="l00296"></a>00296 <span class="keywordflow">if</span> (uname(&uts) < 0)
<a name="l00297"></a>00297 supports_dnotify = <span class="keyword">false</span>; <span class="comment">// *shrug*</span>
<a name="l00298"></a>00298 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (sscanf(uts.release, <span class="stringliteral">"%d.%d.%d"</span>, &major, &minor, &patch) != 3)
<a name="l00299"></a>00299 supports_dnotify = <span class="keyword">false</span>; <span class="comment">// *shrug*</span>
<a name="l00300"></a>00300 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( major * 1000000 + minor * 1000 + patch < 2004019 ) { <span class="comment">// <2.4.19</span>
<a name="l00301"></a>00301 kdDebug(7001) << <span class="stringliteral">"Can't use DNotify, Linux kernel too old"</span> << endl;
<a name="l00302"></a>00302 supports_dnotify = <span class="keyword">false</span>;
<a name="l00303"></a>00303 }
<a name="l00304"></a>00304
<a name="l00305"></a>00305 <span class="keywordflow">if</span>( supports_dnotify ) {
<a name="l00306"></a>00306 available += <span class="stringliteral">", DNotify"</span>;
<a name="l00307"></a>00307
<a name="l00308"></a>00308 pipe(mPipe);
<a name="l00309"></a>00309 fcntl(mPipe[0], F_SETFD, FD_CLOEXEC);
<a name="l00310"></a>00310 fcntl(mPipe[1], F_SETFD, FD_CLOEXEC);
<a name="l00311"></a>00311 fcntl(mPipe[0], F_SETFL, O_NONBLOCK | fcntl(mPipe[0], F_GETFL));
<a name="l00312"></a>00312 fcntl(mPipe[1], F_SETFL, O_NONBLOCK | fcntl(mPipe[1], F_GETFL));
<a name="l00313"></a>00313 mSn = <span class="keyword">new</span> <a class="codeRef" doxygen="qt.tag:" href="qsocketnotifier.html">QSocketNotifier</a>( mPipe[0], QSocketNotifier::Read, <span class="keyword">this</span>);
<a name="l00314"></a>00314 connect(mSn, SIGNAL(activated(<span class="keywordtype">int</span>)), <span class="keyword">this</span>, SLOT(slotActivated()));
<a name="l00315"></a>00315 <span class="comment">// Install the signal handler only once</span>
<a name="l00316"></a>00316 <span class="keywordflow">if</span> ( dnotify_signal == 0 )
<a name="l00317"></a>00317 {
<a name="l00318"></a>00318 dnotify_signal = SIGRTMIN + 8;
<a name="l00319"></a>00319
<a name="l00320"></a>00320 <span class="keyword">struct </span>sigaction act;
<a name="l00321"></a>00321 act.sa_sigaction = KDirWatchPrivate::dnotify_handler;
<a name="l00322"></a>00322 sigemptyset(&act.sa_mask);
<a name="l00323"></a>00323 act.sa_flags = SA_SIGINFO;
<a name="l00324"></a>00324 <span class="preprocessor">#ifdef SA_RESTART</span>
<a name="l00325"></a>00325 <span class="preprocessor"></span> act.sa_flags |= SA_RESTART;
<a name="l00326"></a>00326 <span class="preprocessor">#endif</span>
<a name="l00327"></a>00327 <span class="preprocessor"></span> sigaction(dnotify_signal, &act, NULL);
<a name="l00328"></a>00328
<a name="l00329"></a>00329 act.sa_sigaction = KDirWatchPrivate::dnotify_sigio_handler;
<a name="l00330"></a>00330 sigaction(SIGIO, &act, &old_sigio_act);
<a name="l00331"></a>00331 }
<a name="l00332"></a>00332 }
<a name="l00333"></a>00333 <span class="keywordflow">else</span>
<a name="l00334"></a>00334 {
<a name="l00335"></a>00335 mPipe[0] = -1;
<a name="l00336"></a>00336 mPipe[1] = -1;
<a name="l00337"></a>00337 }
<a name="l00338"></a>00338 <span class="preprocessor">#endif</span>
<a name="l00339"></a>00339 <span class="preprocessor"></span>
<a name="l00340"></a>00340 kdDebug(7001) << <span class="stringliteral">"Available methods: "</span> << available << endl;
<a name="l00341"></a>00341 }
<a name="l00342"></a>00342
<a name="l00343"></a>00343 <span class="comment">/* This is called on app exit (KStaticDeleter) */</span>
<a name="l00344"></a>00344 KDirWatchPrivate::~KDirWatchPrivate()
<a name="l00345"></a>00345 {
<a name="l00346"></a>00346 timer->stop();
<a name="l00347"></a>00347
<a name="l00348"></a>00348 <span class="comment">/* remove all entries being watched */</span>
<a name="l00349"></a>00349 removeEntries(0);
<a name="l00350"></a>00350
<a name="l00351"></a>00351 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l00352"></a>00352 <span class="preprocessor"></span> <span class="keywordflow">if</span> (use_fam) {
<a name="l00353"></a>00353 FAMClose(&fc);
<a name="l00354"></a>00354 kdDebug(7001) << <span class="stringliteral">"KDirWatch deleted (FAM closed)"</span> << endl;
<a name="l00355"></a>00355 }
<a name="l00356"></a>00356 <span class="preprocessor">#endif</span>
<a name="l00357"></a>00357 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00358"></a>00358 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( supports_inotify )
<a name="l00359"></a>00359 ::close( m_inotify_fd );
<a name="l00360"></a>00360 <span class="preprocessor">#endif</span>
<a name="l00361"></a>00361 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00362"></a>00362 <span class="preprocessor"></span> close(mPipe[0]);
<a name="l00363"></a>00363 close(mPipe[1]);
<a name="l00364"></a>00364 <span class="preprocessor">#endif</span>
<a name="l00365"></a>00365 <span class="preprocessor"></span>}
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00368"></a>00368
<a name="l00369"></a>00369 <span class="keywordtype">void</span> KDirWatchPrivate::slotActivated()
<a name="l00370"></a>00370 {
<a name="l00371"></a>00371 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00372"></a>00372 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( supports_dnotify )
<a name="l00373"></a>00373 {
<a name="l00374"></a>00374 <span class="keywordtype">char</span> dummy_buf[4096];
<a name="l00375"></a>00375 read(mPipe[0], &dummy_buf, 4096);
<a name="l00376"></a>00376
<a name="l00377"></a>00377 <span class="keywordflow">if</span> (!rescan_timer.isActive())
<a name="l00378"></a>00378 rescan_timer.start(m_PollInterval, <span class="keyword">true</span> <span class="comment">/* singleshot */</span>);
<a name="l00379"></a>00379
<a name="l00380"></a>00380 <span class="keywordflow">return</span>;
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382 <span class="preprocessor">#endif</span>
<a name="l00383"></a>00383 <span class="preprocessor"></span>
<a name="l00384"></a>00384 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00385"></a>00385 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( !supports_inotify )
<a name="l00386"></a>00386 <span class="keywordflow">return</span>;
<a name="l00387"></a>00387
<a name="l00388"></a>00388 <span class="keywordtype">int</span> pending = -1;
<a name="l00389"></a>00389 <span class="keywordtype">int</span> offset = 0;
<a name="l00390"></a>00390 <span class="keywordtype">char</span> buf[4096];
<a name="l00391"></a>00391 assert( m_inotify_fd > -1 );
<a name="l00392"></a>00392 ioctl( m_inotify_fd, FIONREAD, &pending );
<a name="l00393"></a>00393
<a name="l00394"></a>00394 <span class="keywordflow">while</span> ( pending > 0 ) {
<a name="l00395"></a>00395
<a name="l00396"></a>00396 <span class="keywordflow">if</span> ( pending > (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>( buf ) )
<a name="l00397"></a>00397 pending = <span class="keyword">sizeof</span>( buf );
<a name="l00398"></a>00398
<a name="l00399"></a>00399 pending = read( m_inotify_fd, buf, pending);
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="keywordflow">while</span> ( pending > 0 ) {
<a name="l00402"></a>00402 <span class="keyword">struct </span>inotify_event *event = (<span class="keyword">struct </span>inotify_event *) &buf[offset];
<a name="l00403"></a>00403 pending -= <span class="keyword">sizeof</span>( <span class="keyword">struct </span>inotify_event ) + event->len;
<a name="l00404"></a>00404 offset += <span class="keyword">sizeof</span>( <span class="keyword">struct </span>inotify_event ) + event->len;
<a name="l00405"></a>00405
<a name="l00406"></a>00406 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> path;
<a name="l00407"></a>00407 <span class="keywordflow">if</span> ( event->len )
<a name="l00408"></a>00408 path = <a class="codeRef" doxygen="qt.tag:" href="qfile.html#decodeName">QFile::decodeName</a>( <a class="codeRef" doxygen="qt.tag:" href="qcstring.html">QCString</a>( event->name, event->len ) );
<a name="l00409"></a>00409
<a name="l00410"></a>00410 <span class="keywordflow">if</span> ( path.length() && isNoisyFile( path.latin1() ) )
<a name="l00411"></a>00411 <span class="keywordflow">continue</span>;
<a name="l00412"></a>00412
<a name="l00413"></a>00413 kdDebug(7001) << <span class="stringliteral">"ev wd: "</span> << event->wd << <span class="stringliteral">" mask "</span> << event->mask << <span class="stringliteral">" path: "</span> << path << endl;
<a name="l00414"></a>00414
<a name="l00415"></a>00415 <span class="comment">// now we're in deep trouble of finding the</span>
<a name="l00416"></a>00416 <span class="comment">// associated entries</span>
<a name="l00417"></a>00417 <span class="comment">// for now, we suck and iterate</span>
<a name="l00418"></a>00418 <span class="keywordflow">for</span> ( EntryMap::Iterator it = m_mapEntries.begin();
<a name="l00419"></a>00419 it != m_mapEntries.end(); ++it ) {
<a name="l00420"></a>00420 Entry* e = &( *it );
<a name="l00421"></a>00421 <span class="keywordflow">if</span> ( e->wd == event->wd ) {
<a name="l00422"></a>00422 e->dirty = <span class="keyword">true</span>;
<a name="l00423"></a>00423
<a name="l00424"></a>00424 <span class="keywordflow">if</span> ( 1 || e->isDir) {
<a name="l00425"></a>00425 <span class="keywordflow">if</span>( event->mask & IN_DELETE_SELF) {
<a name="l00426"></a>00426 kdDebug(7001) << <span class="stringliteral">"-->got deleteself signal for "</span> << e->path << endl;
<a name="l00427"></a>00427 e->m_status = NonExistent;
<a name="l00428"></a>00428 <span class="keywordflow">if</span> (e->isDir)
<a name="l00429"></a>00429 addEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e->path+<span class="stringliteral">"/.."</span>), e, <span class="keyword">true</span>);
<a name="l00430"></a>00430 <span class="keywordflow">else</span>
<a name="l00431"></a>00431 addEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qfileinfo.html">QFileInfo</a>(e->path).dirPath(<span class="keyword">true</span>), e, <span class="keyword">true</span>);
<a name="l00432"></a>00432 }
<a name="l00433"></a>00433 <span class="keywordflow">if</span> ( event->mask & IN_IGNORED ) {
<a name="l00434"></a>00434 e->wd = 0;
<a name="l00435"></a>00435 }
<a name="l00436"></a>00436 <span class="keywordflow">if</span> ( event->mask & (IN_CREATE|IN_MOVED_TO) ) {
<a name="l00437"></a>00437 Entry *sub_entry = e->m_entries.first();
<a name="l00438"></a>00438 <span class="keywordflow">for</span>(;sub_entry; sub_entry = e->m_entries.next())
<a name="l00439"></a>00439 <span class="keywordflow">if</span> (sub_entry->path == e->path + <span class="stringliteral">"/"</span> + path) <span class="keywordflow">break</span>;
<a name="l00440"></a>00440
<a name="l00441"></a>00441 <span class="keywordflow">if</span> (sub_entry <span class="comment">/*&& sub_entry->isDir*/</span>) {
<a name="l00442"></a>00442 removeEntry(0,e->path, sub_entry);
<a name="l00443"></a>00443 KDE_struct_stat stat_buf;
<a name="l00444"></a>00444 <a class="codeRef" doxygen="qt.tag:" href="qcstring.html">QCString</a> tpath = <a class="codeRef" doxygen="qt.tag:" href="qfile.html#encodeName">QFile::encodeName</a>(path);
<a name="l00445"></a>00445 KDE_stat(tpath, &stat_buf);
<a name="l00446"></a>00446
<a name="l00447"></a>00447 <span class="comment">//sub_entry->isDir = S_ISDIR(stat_buf.st_mode);</span>
<a name="l00448"></a>00448 <span class="comment">//sub_entry->m_ctime = stat_buf.st_ctime;</span>
<a name="l00449"></a>00449 <span class="comment">//sub_entry->m_status = Normal;</span>
<a name="l00450"></a>00450 <span class="comment">//sub_entry->m_nlink = stat_buf.st_nlink;</span>
<a name="l00451"></a>00451
<a name="l00452"></a>00452 <span class="keywordflow">if</span>(!useINotify(sub_entry))
<a name="l00453"></a>00453 useStat(sub_entry);
<a name="l00454"></a>00454 sub_entry->dirty = <span class="keyword">true</span>;
<a name="l00455"></a>00455 }
<a name="l00456"></a>00456 }
<a name="l00457"></a>00457 }
<a name="l00458"></a>00458
<a name="l00459"></a>00459 <span class="keywordflow">if</span> (!rescan_timer.isActive())
<a name="l00460"></a>00460 rescan_timer.start(m_PollInterval, <span class="keyword">true</span> <span class="comment">/* singleshot */</span>);
<a name="l00461"></a>00461
<a name="l00462"></a>00462 <span class="keywordflow">break</span>; <span class="comment">// there really should be only one matching wd</span>
<a name="l00463"></a>00463 }
<a name="l00464"></a>00464 }
<a name="l00465"></a>00465
<a name="l00466"></a>00466 }
<a name="l00467"></a>00467 }
<a name="l00468"></a>00468 <span class="preprocessor">#endif</span>
<a name="l00469"></a>00469 <span class="preprocessor"></span>}
<a name="l00470"></a>00470
<a name="l00471"></a>00471 <span class="comment">/* In DNOTIFY/FAM mode, only entries which are marked dirty are scanned.</span>
<a name="l00472"></a>00472 <span class="comment"> * We first need to mark all yet nonexistent, but possible created</span>
<a name="l00473"></a>00473 <span class="comment"> * entries as dirty...</span>
<a name="l00474"></a>00474 <span class="comment"> */</span>
<a name="l00475"></a>00475 <span class="keywordtype">void</span> KDirWatchPrivate::Entry::propagate_dirty()
<a name="l00476"></a>00476 {
<a name="l00477"></a>00477 <span class="keywordflow">for</span> (<a class="codeRef" doxygen="qt.tag:" href="qptrlistiterator.html">QPtrListIterator<Entry></a> sub_entry (m_entries);
<a name="l00478"></a>00478 sub_entry.current(); ++sub_entry)
<a name="l00479"></a>00479 {
<a name="l00480"></a>00480 <span class="keywordflow">if</span> (!sub_entry.current()->dirty)
<a name="l00481"></a>00481 {
<a name="l00482"></a>00482 sub_entry.current()->dirty = <span class="keyword">true</span>;
<a name="l00483"></a>00483 sub_entry.current()->propagate_dirty();
<a name="l00484"></a>00484 }
<a name="l00485"></a>00485 }
<a name="l00486"></a>00486 }
<a name="l00487"></a>00487
<a name="l00488"></a>00488
<a name="l00489"></a>00489 <span class="comment">/* A KDirWatch instance is interested in getting events for</span>
<a name="l00490"></a>00490 <span class="comment"> * this file/Dir entry.</span>
<a name="l00491"></a>00491 <span class="comment"> */</span>
<a name="l00492"></a>00492 <span class="keywordtype">void</span> KDirWatchPrivate::Entry::addClient(<a class="code" href="classKDirWatch.html">KDirWatch</a>* instance)
<a name="l00493"></a>00493 {
<a name="l00494"></a>00494 Client* client = m_clients.first();
<a name="l00495"></a>00495 <span class="keywordflow">for</span>(;client; client = m_clients.next())
<a name="l00496"></a>00496 <span class="keywordflow">if</span> (client->instance == instance) <span class="keywordflow">break</span>;
<a name="l00497"></a>00497
<a name="l00498"></a>00498 <span class="keywordflow">if</span> (client) {
<a name="l00499"></a>00499 client->count++;
<a name="l00500"></a>00500 <span class="keywordflow">return</span>;
<a name="l00501"></a>00501 }
<a name="l00502"></a>00502
<a name="l00503"></a>00503 client = <span class="keyword">new</span> Client;
<a name="l00504"></a>00504 client->instance = instance;
<a name="l00505"></a>00505 client->count = 1;
<a name="l00506"></a>00506 client->watchingStopped = instance-><a class="code" href="classKDirWatch.html#b648b010f779acf1251eecbc58d270e0">isStopped</a>();
<a name="l00507"></a>00507 client->pending = NoChange;
<a name="l00508"></a>00508
<a name="l00509"></a>00509 m_clients.append(client);
<a name="l00510"></a>00510 }
<a name="l00511"></a>00511
<a name="l00512"></a>00512 <span class="keywordtype">void</span> KDirWatchPrivate::Entry::removeClient(<a class="code" href="classKDirWatch.html">KDirWatch</a>* instance)
<a name="l00513"></a>00513 {
<a name="l00514"></a>00514 Client* client = m_clients.first();
<a name="l00515"></a>00515 <span class="keywordflow">for</span>(;client; client = m_clients.next())
<a name="l00516"></a>00516 <span class="keywordflow">if</span> (client->instance == instance) <span class="keywordflow">break</span>;
<a name="l00517"></a>00517
<a name="l00518"></a>00518 <span class="keywordflow">if</span> (client) {
<a name="l00519"></a>00519 client->count--;
<a name="l00520"></a>00520 <span class="keywordflow">if</span> (client->count == 0) {
<a name="l00521"></a>00521 m_clients.removeRef(client);
<a name="l00522"></a>00522 <span class="keyword">delete</span> client;
<a name="l00523"></a>00523 }
<a name="l00524"></a>00524 }
<a name="l00525"></a>00525 }
<a name="l00526"></a>00526
<a name="l00527"></a>00527 <span class="comment">/* get number of clients */</span>
<a name="l00528"></a>00528 <span class="keywordtype">int</span> KDirWatchPrivate::Entry::clients()
<a name="l00529"></a>00529 {
<a name="l00530"></a>00530 <span class="keywordtype">int</span> clients = 0;
<a name="l00531"></a>00531 Client* client = m_clients.first();
<a name="l00532"></a>00532 <span class="keywordflow">for</span>(;client; client = m_clients.next())
<a name="l00533"></a>00533 clients += client->count;
<a name="l00534"></a>00534
<a name="l00535"></a>00535 <span class="keywordflow">return</span> clients;
<a name="l00536"></a>00536 }
<a name="l00537"></a>00537
<a name="l00538"></a>00538
<a name="l00539"></a>00539 KDirWatchPrivate::Entry* KDirWatchPrivate::entry(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& _path)
<a name="l00540"></a>00540 {
<a name="l00541"></a>00541 <span class="comment">// we only support absolute paths</span>
<a name="l00542"></a>00542 <span class="keywordflow">if</span> (<a class="codeRef" doxygen="qt.tag:" href="qdir.html#isRelativePath">QDir::isRelativePath</a>(_path)) {
<a name="l00543"></a>00543 <span class="keywordflow">return</span> 0;
<a name="l00544"></a>00544 }
<a name="l00545"></a>00545
<a name="l00546"></a>00546 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> path = _path;
<a name="l00547"></a>00547
<a name="l00548"></a>00548 <span class="keywordflow">if</span> ( path.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>() > 1 && path.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#right">right</a>(1) == <span class="stringliteral">"/"</span> )
<a name="l00549"></a>00549 path.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#truncate">truncate</a>( path.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>() - 1 );
<a name="l00550"></a>00550
<a name="l00551"></a>00551 EntryMap::Iterator it = m_mapEntries.find( path );
<a name="l00552"></a>00552 <span class="keywordflow">if</span> ( it == m_mapEntries.end() )
<a name="l00553"></a>00553 <span class="keywordflow">return</span> 0;
<a name="l00554"></a>00554 <span class="keywordflow">else</span>
<a name="l00555"></a>00555 <span class="keywordflow">return</span> &(*it);
<a name="l00556"></a>00556 }
<a name="l00557"></a>00557
<a name="l00558"></a>00558 <span class="comment">// set polling frequency for a entry and adjust global freq if needed</span>
<a name="l00559"></a>00559 <span class="keywordtype">void</span> KDirWatchPrivate::useFreq(Entry* e, <span class="keywordtype">int</span> newFreq)
<a name="l00560"></a>00560 {
<a name="l00561"></a>00561 e->freq = newFreq;
<a name="l00562"></a>00562
<a name="l00563"></a>00563 <span class="comment">// a reasonable frequency for the global polling timer</span>
<a name="l00564"></a>00564 <span class="keywordflow">if</span> (e->freq < freq) {
<a name="l00565"></a>00565 freq = e->freq;
<a name="l00566"></a>00566 <span class="keywordflow">if</span> (timer->isActive()) timer->changeInterval(freq);
<a name="l00567"></a>00567 kdDebug(7001) << <span class="stringliteral">"Global Poll Freq is now "</span> << freq << <span class="stringliteral">" msec"</span> << endl;
<a name="l00568"></a>00568 }
<a name="l00569"></a>00569 }
<a name="l00570"></a>00570
<a name="l00571"></a>00571
<a name="l00572"></a>00572 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l00573"></a>00573 <span class="preprocessor"></span><span class="comment">// setup FAM notification, returns false if not possible</span>
<a name="l00574"></a>00574 <span class="keywordtype">bool</span> KDirWatchPrivate::useFAM(Entry* e)
<a name="l00575"></a>00575 {
<a name="l00576"></a>00576 <span class="keywordflow">if</span> (!use_fam) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00577"></a>00577
<a name="l00578"></a>00578 <span class="comment">// handle FAM events to avoid deadlock</span>
<a name="l00579"></a>00579 <span class="comment">// (FAM sends back all files in a directory when monitoring)</span>
<a name="l00580"></a>00580 famEventReceived();
<a name="l00581"></a>00581
<a name="l00582"></a>00582 e->m_mode = FAMMode;
<a name="l00583"></a>00583 e->dirty = <span class="keyword">false</span>;
<a name="l00584"></a>00584
<a name="l00585"></a>00585 <span class="keywordflow">if</span> (e->isDir) {
<a name="l00586"></a>00586 <span class="keywordflow">if</span> (e->m_status == NonExistent) {
<a name="l00587"></a>00587 <span class="comment">// If the directory does not exist we watch the parent directory</span>
<a name="l00588"></a>00588 addEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e->path+<span class="stringliteral">"/.."</span>), e, <span class="keyword">true</span>);
<a name="l00589"></a>00589 }
<a name="l00590"></a>00590 <span class="keywordflow">else</span> {
<a name="l00591"></a>00591 <span class="keywordtype">int</span> res =FAMMonitorDirectory(&fc, <a class="codeRef" doxygen="qt.tag:" href="qfile.html#encodeName">QFile::encodeName</a>(e->path),
<a name="l00592"></a>00592 &(e->fr), e);
<a name="l00593"></a>00593 <span class="keywordflow">if</span> (res<0) {
<a name="l00594"></a>00594 e->m_mode = UnknownMode;
<a name="l00595"></a>00595 use_fam=<span class="keyword">false</span>;
<a name="l00596"></a>00596 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00597"></a>00597 }
<a name="l00598"></a>00598 kdDebug(7001) << <span class="stringliteral">" Setup FAM (Req "</span>
<a name="l00599"></a>00599 << FAMREQUEST_GETREQNUM(&(e->fr))
<a name="l00600"></a>00600 << <span class="stringliteral">") for "</span> << e->path << endl;
<a name="l00601"></a>00601 }
<a name="l00602"></a>00602 }
<a name="l00603"></a>00603 <span class="keywordflow">else</span> {
<a name="l00604"></a>00604 <span class="keywordflow">if</span> (e->m_status == NonExistent) {
<a name="l00605"></a>00605 <span class="comment">// If the file does not exist we watch the directory</span>
<a name="l00606"></a>00606 addEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qfileinfo.html">QFileInfo</a>(e->path).dirPath(<span class="keyword">true</span>), e, <span class="keyword">true</span>);
<a name="l00607"></a>00607 }
<a name="l00608"></a>00608 <span class="keywordflow">else</span> {
<a name="l00609"></a>00609 <span class="keywordtype">int</span> res = FAMMonitorFile(&fc, <a class="codeRef" doxygen="qt.tag:" href="qfile.html#encodeName">QFile::encodeName</a>(e->path),
<a name="l00610"></a>00610 &(e->fr), e);
<a name="l00611"></a>00611 <span class="keywordflow">if</span> (res<0) {
<a name="l00612"></a>00612 e->m_mode = UnknownMode;
<a name="l00613"></a>00613 use_fam=<span class="keyword">false</span>;
<a name="l00614"></a>00614 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00615"></a>00615 }
<a name="l00616"></a>00616
<a name="l00617"></a>00617 kdDebug(7001) << <span class="stringliteral">" Setup FAM (Req "</span>
<a name="l00618"></a>00618 << FAMREQUEST_GETREQNUM(&(e->fr))
<a name="l00619"></a>00619 << <span class="stringliteral">") for "</span> << e->path << endl;
<a name="l00620"></a>00620 }
<a name="l00621"></a>00621 }
<a name="l00622"></a>00622
<a name="l00623"></a>00623 <span class="comment">// handle FAM events to avoid deadlock</span>
<a name="l00624"></a>00624 <span class="comment">// (FAM sends back all files in a directory when monitoring)</span>
<a name="l00625"></a>00625 famEventReceived();
<a name="l00626"></a>00626
<a name="l00627"></a>00627 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00628"></a>00628 }
<a name="l00629"></a>00629 <span class="preprocessor">#endif</span>
<a name="l00630"></a>00630 <span class="preprocessor"></span>
<a name="l00631"></a>00631
<a name="l00632"></a>00632 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00633"></a>00633 <span class="preprocessor"></span><span class="comment">// setup DNotify notification, returns false if not possible</span>
<a name="l00634"></a>00634 <span class="keywordtype">bool</span> KDirWatchPrivate::useDNotify(Entry* e)
<a name="l00635"></a>00635 {
<a name="l00636"></a>00636 e->dn_fd = 0;
<a name="l00637"></a>00637 e->dirty = <span class="keyword">false</span>;
<a name="l00638"></a>00638 <span class="keywordflow">if</span> (!supports_dnotify) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00639"></a>00639
<a name="l00640"></a>00640 e->m_mode = DNotifyMode;
<a name="l00641"></a>00641
<a name="l00642"></a>00642 <span class="keywordflow">if</span> (e->isDir) {
<a name="l00643"></a>00643 <span class="keywordflow">if</span> (e->m_status == Normal) {
<a name="l00644"></a>00644 <span class="keywordtype">int</span> fd = KDE_open(<a class="codeRef" doxygen="qt.tag:" href="qfile.html#encodeName">QFile::encodeName</a>(e->path).data(), O_RDONLY);
<a name="l00645"></a>00645 <span class="comment">// Migrate fd to somewhere above 128. Some libraries have</span>
<a name="l00646"></a>00646 <span class="comment">// constructs like:</span>
<a name="l00647"></a>00647 <span class="comment">// fd = socket(...)</span>
<a name="l00648"></a>00648 <span class="comment">// if (fd > ARBITRARY_LIMIT)</span>
<a name="l00649"></a>00649 <span class="comment">// return error;</span>
<a name="l00650"></a>00650 <span class="comment">//</span>
<a name="l00651"></a>00651 <span class="comment">// Since programs might end up using a lot of KDirWatch objects</span>
<a name="l00652"></a>00652 <span class="comment">// for a rather long time the above braindamage could get</span>
<a name="l00653"></a>00653 <span class="comment">// triggered.</span>
<a name="l00654"></a>00654 <span class="comment">//</span>
<a name="l00655"></a>00655 <span class="comment">// By moving the kdirwatch fd's to > 128, calls like socket() will keep</span>
<a name="l00656"></a>00656 <span class="comment">// returning fd's < ARBITRARY_LIMIT for a bit longer.</span>
<a name="l00657"></a>00657 <span class="keywordtype">int</span> fd2 = fcntl(fd, F_DUPFD, 128);
<a name="l00658"></a>00658 <span class="keywordflow">if</span> (fd2 >= 0)
<a name="l00659"></a>00659 {
<a name="l00660"></a>00660 close(fd);
<a name="l00661"></a>00661 fd = fd2;
<a name="l00662"></a>00662 }
<a name="l00663"></a>00663 <span class="keywordflow">if</span> (fd<0) {
<a name="l00664"></a>00664 e->m_mode = UnknownMode;
<a name="l00665"></a>00665 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00666"></a>00666 }
<a name="l00667"></a>00667
<a name="l00668"></a>00668 <span class="keywordtype">int</span> mask = DN_DELETE|DN_CREATE|DN_RENAME|DN_MULTISHOT;
<a name="l00669"></a>00669 <span class="comment">// if dependant is a file watch, we check for MODIFY & ATTRIB too</span>
<a name="l00670"></a>00670 <span class="keywordflow">for</span>(Entry* dep=e->m_entries.first();dep;dep=e->m_entries.next())
<a name="l00671"></a>00671 <span class="keywordflow">if</span> (!dep->isDir) { mask |= DN_MODIFY|DN_ATTRIB; <span class="keywordflow">break</span>; }
<a name="l00672"></a>00672
<a name="l00673"></a>00673 <span class="keywordflow">if</span>(fcntl(fd, F_SETSIG, dnotify_signal) < 0 ||
<a name="l00674"></a>00674 fcntl(fd, F_NOTIFY, mask) < 0) {
<a name="l00675"></a>00675
<a name="l00676"></a>00676 kdDebug(7001) << <span class="stringliteral">"Not using Linux Directory Notifications."</span>
<a name="l00677"></a>00677 << endl;
<a name="l00678"></a>00678 supports_dnotify = <span class="keyword">false</span>;
<a name="l00679"></a>00679 ::close(fd);
<a name="l00680"></a>00680 e->m_mode = UnknownMode;
<a name="l00681"></a>00681 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00682"></a>00682 }
<a name="l00683"></a>00683
<a name="l00684"></a>00684 fd_Entry.replace(fd, e);
<a name="l00685"></a>00685 e->dn_fd = fd;
<a name="l00686"></a>00686
<a name="l00687"></a>00687 kdDebug(7001) << <span class="stringliteral">" Setup DNotify (fd "</span> << fd
<a name="l00688"></a>00688 << <span class="stringliteral">") for "</span> << e->path << endl;
<a name="l00689"></a>00689 }
<a name="l00690"></a>00690 <span class="keywordflow">else</span> { <span class="comment">// NotExisting</span>
<a name="l00691"></a>00691 addEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e->path+<span class="stringliteral">"/.."</span>), e, <span class="keyword">true</span>);
<a name="l00692"></a>00692 }
<a name="l00693"></a>00693 }
<a name="l00694"></a>00694 <span class="keywordflow">else</span> { <span class="comment">// File</span>
<a name="l00695"></a>00695 <span class="comment">// we always watch the directory (DNOTIFY can't watch files alone)</span>
<a name="l00696"></a>00696 <span class="comment">// this notifies us about changes of files therein</span>
<a name="l00697"></a>00697 addEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qfileinfo.html">QFileInfo</a>(e->path).dirPath(<span class="keyword">true</span>), e, <span class="keyword">true</span>);
<a name="l00698"></a>00698 }
<a name="l00699"></a>00699
<a name="l00700"></a>00700 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00701"></a>00701 }
<a name="l00702"></a>00702 <span class="preprocessor">#endif</span>
<a name="l00703"></a>00703 <span class="preprocessor"></span>
<a name="l00704"></a>00704 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00705"></a>00705 <span class="preprocessor"></span><span class="comment">// setup INotify notification, returns false if not possible</span>
<a name="l00706"></a>00706 <span class="keywordtype">bool</span> KDirWatchPrivate::useINotify( Entry* e )
<a name="l00707"></a>00707 {
<a name="l00708"></a>00708 e->wd = 0;
<a name="l00709"></a>00709 e->dirty = <span class="keyword">false</span>;
<a name="l00710"></a>00710 <span class="keywordflow">if</span> (!supports_inotify) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00711"></a>00711
<a name="l00712"></a>00712 e->m_mode = INotifyMode;
<a name="l00713"></a>00713
<a name="l00714"></a>00714 <span class="keywordtype">int</span> mask = IN_DELETE|IN_DELETE_SELF|IN_CREATE|IN_MOVE|IN_MOVE_SELF|IN_DONT_FOLLOW;
<a name="l00715"></a>00715 <span class="keywordflow">if</span>(!e->isDir)
<a name="l00716"></a>00716 mask |= IN_MODIFY|IN_ATTRIB;
<a name="l00717"></a>00717 <span class="keywordflow">else</span>
<a name="l00718"></a>00718 mask |= IN_ONLYDIR;
<a name="l00719"></a>00719
<a name="l00720"></a>00720 <span class="comment">// if dependant is a file watch, we check for MODIFY & ATTRIB too</span>
<a name="l00721"></a>00721 <span class="keywordflow">for</span>(Entry* dep=e->m_entries.first();dep;dep=e->m_entries.next()) {
<a name="l00722"></a>00722 <span class="keywordflow">if</span> (!dep->isDir) { mask |= IN_MODIFY|IN_ATTRIB; <span class="keywordflow">break</span>; }
<a name="l00723"></a>00723 }
<a name="l00724"></a>00724
<a name="l00725"></a>00725 <span class="keywordflow">if</span> ( ( e->wd = inotify_add_watch( m_inotify_fd,
<a name="l00726"></a>00726 <a class="codeRef" doxygen="qt.tag:" href="qfile.html#encodeName">QFile::encodeName</a>( e->path ), mask) ) > 0 )
<a name="l00727"></a>00727 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00728"></a>00728
<a name="l00729"></a>00729 <span class="keywordflow">if</span> ( e->m_status == NonExistent ) {
<a name="l00730"></a>00730 <span class="keywordflow">if</span> (e->isDir)
<a name="l00731"></a>00731 addEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e->path+<span class="stringliteral">"/.."</span>), e, <span class="keyword">true</span>);
<a name="l00732"></a>00732 <span class="keywordflow">else</span>
<a name="l00733"></a>00733 addEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qfileinfo.html">QFileInfo</a>(e->path).dirPath(<span class="keyword">true</span>), e, <span class="keyword">true</span>);
<a name="l00734"></a>00734 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00735"></a>00735 }
<a name="l00736"></a>00736
<a name="l00737"></a>00737 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00738"></a>00738 }
<a name="l00739"></a>00739 <span class="preprocessor">#endif</span>
<a name="l00740"></a>00740 <span class="preprocessor"></span>
<a name="l00741"></a>00741 <span class="keywordtype">bool</span> KDirWatchPrivate::useStat(Entry* e)
<a name="l00742"></a>00742 {
<a name="l00743"></a>00743 <span class="keywordflow">if</span> (<a class="code" href="namespaceKIO.html#cd591e3c4b230d8c8b3d172be6345f33">KIO::probably_slow_mounted</a>(e->path))
<a name="l00744"></a>00744 useFreq(e, m_nfsPollInterval);
<a name="l00745"></a>00745 <span class="keywordflow">else</span>
<a name="l00746"></a>00746 useFreq(e, m_PollInterval);
<a name="l00747"></a>00747
<a name="l00748"></a>00748 <span class="keywordflow">if</span> (e->m_mode != StatMode) {
<a name="l00749"></a>00749 e->m_mode = StatMode;
<a name="l00750"></a>00750 statEntries++;
<a name="l00751"></a>00751
<a name="l00752"></a>00752 <span class="keywordflow">if</span> ( statEntries == 1 ) {
<a name="l00753"></a>00753 <span class="comment">// if this was first STAT entry (=timer was stopped)</span>
<a name="l00754"></a>00754 timer->start(freq); <span class="comment">// then start the timer</span>
<a name="l00755"></a>00755 kdDebug(7001) << <span class="stringliteral">" Started Polling Timer, freq "</span> << freq << endl;
<a name="l00756"></a>00756 }
<a name="l00757"></a>00757 }
<a name="l00758"></a>00758
<a name="l00759"></a>00759 kdDebug(7001) << <span class="stringliteral">" Setup Stat (freq "</span> << e->freq
<a name="l00760"></a>00760 << <span class="stringliteral">") for "</span> << e->path << endl;
<a name="l00761"></a>00761
<a name="l00762"></a>00762 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00763"></a>00763 }
<a name="l00764"></a>00764
<a name="l00765"></a>00765
<a name="l00766"></a>00766 <span class="comment">/* If <instance> !=0, this KDirWatch instance wants to watch at <_path>,</span>
<a name="l00767"></a>00767 <span class="comment"> * providing in <isDir> the type of the entry to be watched.</span>
<a name="l00768"></a>00768 <span class="comment"> * Sometimes, entries are dependant on each other: if <sub_entry> !=0,</span>
<a name="l00769"></a>00769 <span class="comment"> * this entry needs another entry to watch himself (when notExistent).</span>
<a name="l00770"></a>00770 <span class="comment"> */</span>
<a name="l00771"></a>00771 <span class="keywordtype">void</span> KDirWatchPrivate::addEntry(<a class="code" href="classKDirWatch.html">KDirWatch</a>* instance, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& _path,
<a name="l00772"></a>00772 Entry* sub_entry, <span class="keywordtype">bool</span> isDir)
<a name="l00773"></a>00773 {
<a name="l00774"></a>00774 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> path = _path;
<a name="l00775"></a>00775 <span class="keywordflow">if</span> (path.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#startsWith">startsWith</a>(<span class="stringliteral">"/dev/"</span>) || (path == <span class="stringliteral">"/dev"</span>))
<a name="l00776"></a>00776 <span class="keywordflow">return</span>; <span class="comment">// Don't even go there.</span>
<a name="l00777"></a>00777
<a name="l00778"></a>00778 <span class="keywordflow">if</span> ( path.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>() > 1 && path.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#right">right</a>(1) == <span class="stringliteral">"/"</span> )
<a name="l00779"></a>00779 path.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#truncate">truncate</a>( path.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#length">length</a>() - 1 );
<a name="l00780"></a>00780
<a name="l00781"></a>00781 EntryMap::Iterator it = m_mapEntries.find( path );
<a name="l00782"></a>00782 <span class="keywordflow">if</span> ( it != m_mapEntries.end() )
<a name="l00783"></a>00783 {
<a name="l00784"></a>00784 <span class="keywordflow">if</span> (sub_entry) {
<a name="l00785"></a>00785 (*it).m_entries.append(sub_entry);
<a name="l00786"></a>00786 kdDebug(7001) << <span class="stringliteral">"Added already watched Entry "</span> << path
<a name="l00787"></a>00787 << <span class="stringliteral">" (for "</span> << sub_entry->path << <span class="stringliteral">")"</span> << endl;
<a name="l00788"></a>00788
<a name="l00789"></a>00789 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00790"></a>00790 <span class="preprocessor"></span> {
<a name="l00791"></a>00791 Entry* e = &(*it);
<a name="l00792"></a>00792 <span class="keywordflow">if</span>( (e->m_mode == DNotifyMode) && (e->dn_fd > 0) ) {
<a name="l00793"></a>00793 <span class="keywordtype">int</span> mask = DN_DELETE|DN_CREATE|DN_RENAME|DN_MULTISHOT;
<a name="l00794"></a>00794 <span class="comment">// if dependant is a file watch, we check for MODIFY & ATTRIB too</span>
<a name="l00795"></a>00795 <span class="keywordflow">for</span>(Entry* dep=e->m_entries.first();dep;dep=e->m_entries.next())
<a name="l00796"></a>00796 <span class="keywordflow">if</span> (!dep->isDir) { mask |= DN_MODIFY|DN_ATTRIB; <span class="keywordflow">break</span>; }
<a name="l00797"></a>00797 <span class="keywordflow">if</span>( fcntl(e->dn_fd, F_NOTIFY, mask) < 0) { <span class="comment">// shouldn't happen</span>
<a name="l00798"></a>00798 ::close(e->dn_fd);
<a name="l00799"></a>00799 e->m_mode = UnknownMode;
<a name="l00800"></a>00800 fd_Entry.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#remove">remove</a>(e->dn_fd);
<a name="l00801"></a>00801 e->dn_fd = 0;
<a name="l00802"></a>00802 useStat( e );
<a name="l00803"></a>00803 }
<a name="l00804"></a>00804 }
<a name="l00805"></a>00805 }
<a name="l00806"></a>00806 <span class="preprocessor">#endif</span>
<a name="l00807"></a>00807 <span class="preprocessor"></span>
<a name="l00808"></a>00808 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00809"></a>00809 <span class="preprocessor"></span> {
<a name="l00810"></a>00810 Entry* e = &(*it);
<a name="l00811"></a>00811 <span class="keywordflow">if</span>( (e->m_mode == INotifyMode) && (e->wd > 0) ) {
<a name="l00812"></a>00812 <span class="keywordtype">int</span> mask = IN_DELETE|IN_DELETE_SELF|IN_CREATE|IN_MOVE|IN_MOVE_SELF|IN_DONT_FOLLOW;
<a name="l00813"></a>00813 <span class="keywordflow">if</span>(!e->isDir)
<a name="l00814"></a>00814 mask |= IN_MODIFY|IN_ATTRIB;
<a name="l00815"></a>00815 <span class="keywordflow">else</span>
<a name="l00816"></a>00816 mask |= IN_ONLYDIR;
<a name="l00817"></a>00817
<a name="l00818"></a>00818 inotify_rm_watch (m_inotify_fd, e->wd);
<a name="l00819"></a>00819 e->wd = inotify_add_watch( m_inotify_fd, <a class="codeRef" doxygen="qt.tag:" href="qfile.html#encodeName">QFile::encodeName</a>( e->path ), mask);
<a name="l00820"></a>00820 }
<a name="l00821"></a>00821 }
<a name="l00822"></a>00822 <span class="preprocessor">#endif</span>
<a name="l00823"></a>00823 <span class="preprocessor"></span>
<a name="l00824"></a>00824 }
<a name="l00825"></a>00825 <span class="keywordflow">else</span> {
<a name="l00826"></a>00826 (*it).addClient(instance);
<a name="l00827"></a>00827 kdDebug(7001) << <span class="stringliteral">"Added already watched Entry "</span> << path
<a name="l00828"></a>00828 << <span class="stringliteral">" (now "</span> << (*it).clients() << <span class="stringliteral">" clients)"</span>
<a name="l00829"></a>00829 << <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>(<span class="stringliteral">" [%1]"</span>).<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(instance-><a class="codeRef" doxygen="qt.tag:" href="qobject.html#name">name</a>()) << endl;
<a name="l00830"></a>00830 }
<a name="l00831"></a>00831 <span class="keywordflow">return</span>;
<a name="l00832"></a>00832 }
<a name="l00833"></a>00833
<a name="l00834"></a>00834 <span class="comment">// we have a new path to watch</span>
<a name="l00835"></a>00835
<a name="l00836"></a>00836 KDE_struct_stat stat_buf;
<a name="l00837"></a>00837 <a class="codeRef" doxygen="qt.tag:" href="qcstring.html">QCString</a> tpath = <a class="codeRef" doxygen="qt.tag:" href="qfile.html#encodeName">QFile::encodeName</a>(path);
<a name="l00838"></a>00838 <span class="keywordtype">bool</span> exists = (KDE_stat(tpath, &stat_buf) == 0);
<a name="l00839"></a>00839
<a name="l00840"></a>00840 Entry newEntry;
<a name="l00841"></a>00841 m_mapEntries.insert( path, newEntry );
<a name="l00842"></a>00842 <span class="comment">// the insert does a copy, so we have to use <e> now</span>
<a name="l00843"></a>00843 Entry* e = &(m_mapEntries[path]);
<a name="l00844"></a>00844
<a name="l00845"></a>00845 <span class="keywordflow">if</span> (exists) {
<a name="l00846"></a>00846 e->isDir = S_ISDIR(stat_buf.st_mode);
<a name="l00847"></a>00847
<a name="l00848"></a>00848 <span class="keywordflow">if</span> (e->isDir && !isDir)
<a name="l00849"></a>00849 kdWarning() << <span class="stringliteral">"KDirWatch: "</span> << path << <span class="stringliteral">" is a directory. Use addDir!"</span> << endl;
<a name="l00850"></a>00850 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!e->isDir && isDir)
<a name="l00851"></a>00851 kdWarning() << <span class="stringliteral">"KDirWatch: "</span> << path << <span class="stringliteral">" is a file. Use addFile!"</span> << endl;
<a name="l00852"></a>00852
<a name="l00853"></a>00853 e->m_ctime = stat_buf.st_ctime;
<a name="l00854"></a>00854 e->m_status = Normal;
<a name="l00855"></a>00855 e->m_nlink = stat_buf.st_nlink;
<a name="l00856"></a>00856 }
<a name="l00857"></a>00857 <span class="keywordflow">else</span> {
<a name="l00858"></a>00858 e->isDir = isDir;
<a name="l00859"></a>00859 e->m_ctime = invalid_ctime;
<a name="l00860"></a>00860 e->m_status = NonExistent;
<a name="l00861"></a>00861 e->m_nlink = 0;
<a name="l00862"></a>00862 }
<a name="l00863"></a>00863
<a name="l00864"></a>00864 e->path = path;
<a name="l00865"></a>00865 <span class="keywordflow">if</span> (sub_entry)
<a name="l00866"></a>00866 e->m_entries.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#append">append</a>(sub_entry);
<a name="l00867"></a>00867 <span class="keywordflow">else</span>
<a name="l00868"></a>00868 e->addClient(instance);
<a name="l00869"></a>00869
<a name="l00870"></a>00870 kdDebug(7001) << <span class="stringliteral">"Added "</span> << (e->isDir ? <span class="stringliteral">"Dir "</span>:<span class="stringliteral">"File "</span>) << path
<a name="l00871"></a>00871 << (e->m_status == NonExistent ? <span class="stringliteral">" NotExisting"</span> : <span class="stringliteral">""</span>)
<a name="l00872"></a>00872 << (sub_entry ? <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>(<span class="stringliteral">" for %1"</span>).arg(sub_entry->path) : <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>(<span class="stringliteral">""</span>))
<a name="l00873"></a>00873 << (instance ? <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>(<span class="stringliteral">" [%1]"</span>).arg(instance-><a class="codeRef" doxygen="qt.tag:" href="qobject.html#name">name</a>()) : <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>(<span class="stringliteral">""</span>))
<a name="l00874"></a>00874 << endl;
<a name="l00875"></a>00875
<a name="l00876"></a>00876
<a name="l00877"></a>00877 <span class="comment">// now setup the notification method</span>
<a name="l00878"></a>00878 e->m_mode = UnknownMode;
<a name="l00879"></a>00879 e->msecLeft = 0;
<a name="l00880"></a>00880
<a name="l00881"></a>00881 <span class="keywordflow">if</span> ( isNoisyFile( tpath ) )
<a name="l00882"></a>00882 <span class="keywordflow">return</span>;
<a name="l00883"></a>00883
<a name="l00884"></a>00884 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l00885"></a>00885 <span class="preprocessor"></span> <span class="keywordflow">if</span> (useFAM(e)) <span class="keywordflow">return</span>;
<a name="l00886"></a>00886 <span class="preprocessor">#endif</span>
<a name="l00887"></a>00887 <span class="preprocessor"></span>
<a name="l00888"></a>00888 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00889"></a>00889 <span class="preprocessor"></span> <span class="keywordflow">if</span> (useINotify(e)) <span class="keywordflow">return</span>;
<a name="l00890"></a>00890 <span class="preprocessor">#endif</span>
<a name="l00891"></a>00891 <span class="preprocessor"></span>
<a name="l00892"></a>00892 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00893"></a>00893 <span class="preprocessor"></span> <span class="keywordflow">if</span> (useDNotify(e)) <span class="keywordflow">return</span>;
<a name="l00894"></a>00894 <span class="preprocessor">#endif</span>
<a name="l00895"></a>00895 <span class="preprocessor"></span>
<a name="l00896"></a>00896 useStat(e);
<a name="l00897"></a>00897 }
<a name="l00898"></a>00898
<a name="l00899"></a>00899
<a name="l00900"></a>00900 <span class="keywordtype">void</span> KDirWatchPrivate::removeEntry( <a class="code" href="classKDirWatch.html">KDirWatch</a>* instance,
<a name="l00901"></a>00901 <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& _path, Entry* sub_entry )
<a name="l00902"></a>00902 {
<a name="l00903"></a>00903 kdDebug(7001) << <span class="stringliteral">"KDirWatchPrivate::removeEntry for '"</span> << _path << <span class="stringliteral">"' sub_entry: "</span> << sub_entry << endl;
<a name="l00904"></a>00904 Entry* e = entry(_path);
<a name="l00905"></a>00905 <span class="keywordflow">if</span> (!e) {
<a name="l00906"></a>00906 kdDebug(7001) << <span class="stringliteral">"KDirWatchPrivate::removeEntry can't handle '"</span> << _path << <span class="stringliteral">"'"</span> << endl;
<a name="l00907"></a>00907 <span class="keywordflow">return</span>;
<a name="l00908"></a>00908 }
<a name="l00909"></a>00909
<a name="l00910"></a>00910 <span class="keywordflow">if</span> (sub_entry)
<a name="l00911"></a>00911 e->m_entries.removeRef(sub_entry);
<a name="l00912"></a>00912 <span class="keywordflow">else</span>
<a name="l00913"></a>00913 e->removeClient(instance);
<a name="l00914"></a>00914
<a name="l00915"></a>00915 <span class="keywordflow">if</span> (e->m_clients.count() || e->m_entries.count()) {
<a name="l00916"></a>00916 kdDebug(7001) << <span class="stringliteral">"removeEntry: unwatched "</span> << e->path << <span class="stringliteral">" "</span> << _path << endl;
<a name="l00917"></a>00917 <span class="keywordflow">return</span>;
<a name="l00918"></a>00918 }
<a name="l00919"></a>00919
<a name="l00920"></a>00920 <span class="keywordflow">if</span> (delayRemove) {
<a name="l00921"></a>00921 <span class="comment">// removeList is allowed to contain any entry at most once</span>
<a name="l00922"></a>00922 <span class="keywordflow">if</span> (removeList.findRef(e)==-1)
<a name="l00923"></a>00923 removeList.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#append">append</a>(e);
<a name="l00924"></a>00924 <span class="comment">// now e->isValid() is false</span>
<a name="l00925"></a>00925 <span class="keywordflow">return</span>;
<a name="l00926"></a>00926 }
<a name="l00927"></a>00927
<a name="l00928"></a>00928 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l00929"></a>00929 <span class="preprocessor"></span> <span class="keywordflow">if</span> (e->m_mode == FAMMode) {
<a name="l00930"></a>00930 <span class="keywordflow">if</span> ( e->m_status == Normal) {
<a name="l00931"></a>00931 FAMCancelMonitor(&fc, &(e->fr) );
<a name="l00932"></a>00932 kdDebug(7001) << <span class="stringliteral">"Cancelled FAM (Req "</span>
<a name="l00933"></a>00933 << FAMREQUEST_GETREQNUM(&(e->fr))
<a name="l00934"></a>00934 << <span class="stringliteral">") for "</span> << e->path << endl;
<a name="l00935"></a>00935 }
<a name="l00936"></a>00936 <span class="keywordflow">else</span> {
<a name="l00937"></a>00937 <span class="keywordflow">if</span> (e->isDir)
<a name="l00938"></a>00938 removeEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e->path+<span class="stringliteral">"/.."</span>), e);
<a name="l00939"></a>00939 <span class="keywordflow">else</span>
<a name="l00940"></a>00940 removeEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qfileinfo.html">QFileInfo</a>(e->path).dirPath(<span class="keyword">true</span>), e);
<a name="l00941"></a>00941 }
<a name="l00942"></a>00942 }
<a name="l00943"></a>00943 <span class="preprocessor">#endif</span>
<a name="l00944"></a>00944 <span class="preprocessor"></span>
<a name="l00945"></a>00945 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l00946"></a>00946 <span class="preprocessor"></span> kdDebug(7001) << <span class="stringliteral">"inotify remove "</span> << ( e->m_mode == INotifyMode ) << <span class="stringliteral">" "</span> << ( e->m_status == Normal ) << endl;
<a name="l00947"></a>00947 <span class="keywordflow">if</span> (e->m_mode == INotifyMode) {
<a name="l00948"></a>00948 <span class="keywordflow">if</span> ( e->m_status == Normal ) {
<a name="l00949"></a>00949 (void) inotify_rm_watch( m_inotify_fd, e->wd );
<a name="l00950"></a>00950 kdDebug(7001) << <span class="stringliteral">"Cancelled INotify (fd "</span> <<
<a name="l00951"></a>00951 m_inotify_fd << <span class="stringliteral">", "</span> << e->wd <<
<a name="l00952"></a>00952 <span class="stringliteral">") for "</span> << e->path << endl;
<a name="l00953"></a>00953 }
<a name="l00954"></a>00954 <span class="keywordflow">else</span> {
<a name="l00955"></a>00955 <span class="keywordflow">if</span> (e->isDir)
<a name="l00956"></a>00956 removeEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e->path+<span class="stringliteral">"/.."</span>), e);
<a name="l00957"></a>00957 <span class="keywordflow">else</span>
<a name="l00958"></a>00958 removeEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qfileinfo.html">QFileInfo</a>(e->path).dirPath(<span class="keyword">true</span>), e);
<a name="l00959"></a>00959 }
<a name="l00960"></a>00960 }
<a name="l00961"></a>00961 <span class="preprocessor">#endif</span>
<a name="l00962"></a>00962 <span class="preprocessor"></span>
<a name="l00963"></a>00963 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l00964"></a>00964 <span class="preprocessor"></span> <span class="keywordflow">if</span> (e->m_mode == DNotifyMode) {
<a name="l00965"></a>00965 <span class="keywordflow">if</span> (!e->isDir) {
<a name="l00966"></a>00966 removeEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qfileinfo.html">QFileInfo</a>(e->path).dirPath(<span class="keyword">true</span>), e);
<a name="l00967"></a>00967 }
<a name="l00968"></a>00968 <span class="keywordflow">else</span> { <span class="comment">// isDir</span>
<a name="l00969"></a>00969 <span class="comment">// must close the FD.</span>
<a name="l00970"></a>00970 <span class="keywordflow">if</span> ( e->m_status == Normal) {
<a name="l00971"></a>00971 <span class="keywordflow">if</span> (e->dn_fd) {
<a name="l00972"></a>00972 ::close(e->dn_fd);
<a name="l00973"></a>00973 fd_Entry.remove(e->dn_fd);
<a name="l00974"></a>00974
<a name="l00975"></a>00975 kdDebug(7001) << <span class="stringliteral">"Cancelled DNotify (fd "</span> << e->dn_fd
<a name="l00976"></a>00976 << <span class="stringliteral">") for "</span> << e->path << endl;
<a name="l00977"></a>00977 e->dn_fd = 0;
<a name="l00978"></a>00978
<a name="l00979"></a>00979 }
<a name="l00980"></a>00980 }
<a name="l00981"></a>00981 <span class="keywordflow">else</span> {
<a name="l00982"></a>00982 removeEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>(e->path+<span class="stringliteral">"/.."</span>), e);
<a name="l00983"></a>00983 }
<a name="l00984"></a>00984 }
<a name="l00985"></a>00985 }
<a name="l00986"></a>00986 <span class="preprocessor">#endif</span>
<a name="l00987"></a>00987 <span class="preprocessor"></span>
<a name="l00988"></a>00988 <span class="keywordflow">if</span> (e->m_mode == StatMode) {
<a name="l00989"></a>00989 statEntries--;
<a name="l00990"></a>00990 <span class="keywordflow">if</span> ( statEntries == 0 ) {
<a name="l00991"></a>00991 timer->stop(); <span class="comment">// stop timer if lists are empty</span>
<a name="l00992"></a>00992 kdDebug(7001) << <span class="stringliteral">" Stopped Polling Timer"</span> << endl;
<a name="l00993"></a>00993 }
<a name="l00994"></a>00994 }
<a name="l00995"></a>00995
<a name="l00996"></a>00996 kdDebug(7001) << <span class="stringliteral">"Removed "</span> << (e->isDir ? <span class="stringliteral">"Dir "</span>:<span class="stringliteral">"File "</span>) << e->path
<a name="l00997"></a>00997 << (sub_entry ? <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>(<span class="stringliteral">" for %1"</span>).arg(sub_entry->path) : <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>(<span class="stringliteral">""</span>))
<a name="l00998"></a>00998 << (instance ? <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>(<span class="stringliteral">" [%1]"</span>).arg(instance-><a class="codeRef" doxygen="qt.tag:" href="qobject.html#name">name</a>()) : <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>(<span class="stringliteral">""</span>))
<a name="l00999"></a>00999 << endl;
<a name="l01000"></a>01000 m_mapEntries.remove( e->path ); <span class="comment">// <e> not valid any more</span>
<a name="l01001"></a>01001 }
<a name="l01002"></a>01002
<a name="l01003"></a>01003
<a name="l01004"></a>01004 <span class="comment">/* Called from KDirWatch destructor:</span>
<a name="l01005"></a>01005 <span class="comment"> * remove <instance> as client from all entries</span>
<a name="l01006"></a>01006 <span class="comment"> */</span>
<a name="l01007"></a>01007 <span class="keywordtype">void</span> KDirWatchPrivate::removeEntries( <a class="code" href="classKDirWatch.html">KDirWatch</a>* instance )
<a name="l01008"></a>01008 {
<a name="l01009"></a>01009 <a class="codeRef" doxygen="qt.tag:" href="qptrlist.html">QPtrList<Entry></a> list;
<a name="l01010"></a>01010 <span class="keywordtype">int</span> minfreq = 3600000;
<a name="l01011"></a>01011
<a name="l01012"></a>01012 <span class="comment">// put all entries where instance is a client in list</span>
<a name="l01013"></a>01013 EntryMap::Iterator it = m_mapEntries.begin();
<a name="l01014"></a>01014 <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it ) {
<a name="l01015"></a>01015 Client* c = (*it).m_clients.first();
<a name="l01016"></a>01016 <span class="keywordflow">for</span>(;c;c=(*it).m_clients.next())
<a name="l01017"></a>01017 <span class="keywordflow">if</span> (c->instance == instance) <span class="keywordflow">break</span>;
<a name="l01018"></a>01018 <span class="keywordflow">if</span> (c) {
<a name="l01019"></a>01019 c->count = 1; <span class="comment">// forces deletion of instance as client</span>
<a name="l01020"></a>01020 list.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#append">append</a>(&(*it));
<a name="l01021"></a>01021 }
<a name="l01022"></a>01022 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( (*it).m_mode == StatMode && (*it).freq < minfreq )
<a name="l01023"></a>01023 minfreq = (*it).freq;
<a name="l01024"></a>01024 }
<a name="l01025"></a>01025
<a name="l01026"></a>01026 <span class="keywordflow">for</span>(Entry* e=list.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#first">first</a>();e;e=list.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#next">next</a>())
<a name="l01027"></a>01027 removeEntry(instance, e->path, 0);
<a name="l01028"></a>01028
<a name="l01029"></a>01029 <span class="keywordflow">if</span> (minfreq > freq) {
<a name="l01030"></a>01030 <span class="comment">// we can decrease the global polling frequency</span>
<a name="l01031"></a>01031 freq = minfreq;
<a name="l01032"></a>01032 <span class="keywordflow">if</span> (timer->isActive()) timer->changeInterval(freq);
<a name="l01033"></a>01033 kdDebug(7001) << <span class="stringliteral">"Poll Freq now "</span> << freq << <span class="stringliteral">" msec"</span> << endl;
<a name="l01034"></a>01034 }
<a name="l01035"></a>01035 }
<a name="l01036"></a>01036
<a name="l01037"></a>01037 <span class="comment">// instance ==0: stop scanning for all instances</span>
<a name="l01038"></a>01038 <span class="keywordtype">bool</span> KDirWatchPrivate::stopEntryScan( <a class="code" href="classKDirWatch.html">KDirWatch</a>* instance, Entry* e)
<a name="l01039"></a>01039 {
<a name="l01040"></a>01040 <span class="keywordtype">int</span> stillWatching = 0;
<a name="l01041"></a>01041 Client* c = e->m_clients.first();
<a name="l01042"></a>01042 <span class="keywordflow">for</span>(;c;c=e->m_clients.next()) {
<a name="l01043"></a>01043 <span class="keywordflow">if</span> (!instance || instance == c->instance)
<a name="l01044"></a>01044 c->watchingStopped = <span class="keyword">true</span>;
<a name="l01045"></a>01045 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!c->watchingStopped)
<a name="l01046"></a>01046 stillWatching += c->count;
<a name="l01047"></a>01047 }
<a name="l01048"></a>01048
<a name="l01049"></a>01049 kdDebug(7001) << instance-><a class="codeRef" doxygen="qt.tag:" href="qobject.html#name">name</a>() << <span class="stringliteral">" stopped scanning "</span> << e->path
<a name="l01050"></a>01050 << <span class="stringliteral">" (now "</span> << stillWatching << <span class="stringliteral">" watchers)"</span> << endl;
<a name="l01051"></a>01051
<a name="l01052"></a>01052 <span class="keywordflow">if</span> (stillWatching == 0) {
<a name="l01053"></a>01053 <span class="comment">// if nobody is interested, we don't watch</span>
<a name="l01054"></a>01054 e->m_ctime = invalid_ctime; <span class="comment">// invalid</span>
<a name="l01055"></a>01055 e->m_status = NonExistent;
<a name="l01056"></a>01056 <span class="comment">// e->m_status = Normal;</span>
<a name="l01057"></a>01057 }
<a name="l01058"></a>01058 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01059"></a>01059 }
<a name="l01060"></a>01060
<a name="l01061"></a>01061 <span class="comment">// instance ==0: start scanning for all instances</span>
<a name="l01062"></a>01062 <span class="keywordtype">bool</span> KDirWatchPrivate::restartEntryScan( <a class="code" href="classKDirWatch.html">KDirWatch</a>* instance, Entry* e,
<a name="l01063"></a>01063 <span class="keywordtype">bool</span> notify)
<a name="l01064"></a>01064 {
<a name="l01065"></a>01065 <span class="keywordtype">int</span> wasWatching = 0, newWatching = 0;
<a name="l01066"></a>01066 Client* c = e->m_clients.first();
<a name="l01067"></a>01067 <span class="keywordflow">for</span>(;c;c=e->m_clients.next()) {
<a name="l01068"></a>01068 <span class="keywordflow">if</span> (!c->watchingStopped)
<a name="l01069"></a>01069 wasWatching += c->count;
<a name="l01070"></a>01070 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!instance || instance == c->instance) {
<a name="l01071"></a>01071 c->watchingStopped = <span class="keyword">false</span>;
<a name="l01072"></a>01072 newWatching += c->count;
<a name="l01073"></a>01073 }
<a name="l01074"></a>01074 }
<a name="l01075"></a>01075 <span class="keywordflow">if</span> (newWatching == 0)
<a name="l01076"></a>01076 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01077"></a>01077
<a name="l01078"></a>01078 kdDebug(7001) << (instance ? instance-><a class="codeRef" doxygen="qt.tag:" href="qobject.html#name">name</a>() : <span class="stringliteral">"all"</span>) << <span class="stringliteral">" restarted scanning "</span> << e->path
<a name="l01079"></a>01079 << <span class="stringliteral">" (now "</span> << wasWatching+newWatching << <span class="stringliteral">" watchers)"</span> << endl;
<a name="l01080"></a>01080
<a name="l01081"></a>01081 <span class="comment">// restart watching and emit pending events</span>
<a name="l01082"></a>01082
<a name="l01083"></a>01083 <span class="keywordtype">int</span> ev = NoChange;
<a name="l01084"></a>01084 if (wasWatching == 0) {
<a name="l01085"></a>01085 <span class="keywordflow">if</span> (!notify) {
<a name="l01086"></a>01086 KDE_struct_stat stat_buf;
<a name="l01087"></a>01087 <span class="keywordtype">bool</span> exists = (KDE_stat(<a class="codeRef" doxygen="qt.tag:" href="qfile.html#encodeName">QFile::encodeName</a>(e->path), &stat_buf) == 0);
<a name="l01088"></a>01088 <span class="keywordflow">if</span> (exists) {
<a name="l01089"></a>01089 e->m_ctime = stat_buf.st_ctime;
<a name="l01090"></a>01090 e->m_status = Normal;
<a name="l01091"></a>01091 e->m_nlink = stat_buf.st_nlink;
<a name="l01092"></a>01092 }
<a name="l01093"></a>01093 <span class="keywordflow">else</span> {
<a name="l01094"></a>01094 e->m_ctime = invalid_ctime;
<a name="l01095"></a>01095 e->m_status = NonExistent;
<a name="l01096"></a>01096 e->m_nlink = 0;
<a name="l01097"></a>01097 }
<a name="l01098"></a>01098 }
<a name="l01099"></a>01099 e->msecLeft = 0;
<a name="l01100"></a>01100 ev = scanEntry(e);
<a name="l01101"></a>01101 }
<a name="l01102"></a>01102 emitEvent(e,ev);
<a name="l01103"></a>01103
<a name="l01104"></a>01104 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01105"></a>01105 }
<a name="l01106"></a>01106
<a name="l01107"></a>01107 <span class="comment">// instance ==0: stop scanning for all instances</span>
<a name="l01108"></a>01108 <span class="keywordtype">void</span> KDirWatchPrivate::stopScan(<a class="code" href="classKDirWatch.html">KDirWatch</a>* instance)
<a name="l01109"></a>01109 {
<a name="l01110"></a>01110 EntryMap::Iterator it = m_mapEntries.begin();
<a name="l01111"></a>01111 <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it )
<a name="l01112"></a>01112 stopEntryScan(instance, &(*it));
<a name="l01113"></a>01113 }
<a name="l01114"></a>01114
<a name="l01115"></a>01115
<a name="l01116"></a>01116 <span class="keywordtype">void</span> KDirWatchPrivate::startScan(<a class="code" href="classKDirWatch.html">KDirWatch</a>* instance,
<a name="l01117"></a>01117 <span class="keywordtype">bool</span> notify, <span class="keywordtype">bool</span> skippedToo )
<a name="l01118"></a>01118 {
<a name="l01119"></a>01119 <span class="keywordflow">if</span> (!notify)
<a name="l01120"></a>01120 resetList(instance,skippedToo);
<a name="l01121"></a>01121
<a name="l01122"></a>01122 EntryMap::Iterator it = m_mapEntries.begin();
<a name="l01123"></a>01123 <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it )
<a name="l01124"></a>01124 restartEntryScan(instance, &(*it), notify);
<a name="l01125"></a>01125
<a name="l01126"></a>01126 <span class="comment">// timer should still be running when in polling mode</span>
<a name="l01127"></a>01127 }
<a name="l01128"></a>01128
<a name="l01129"></a>01129
<a name="l01130"></a>01130 <span class="comment">// clear all pending events, also from stopped</span>
<a name="l01131"></a>01131 <span class="keywordtype">void</span> KDirWatchPrivate::resetList( <a class="code" href="classKDirWatch.html">KDirWatch</a>* <span class="comment">/*instance*/</span>,
<a name="l01132"></a>01132 <span class="keywordtype">bool</span> skippedToo )
<a name="l01133"></a>01133 {
<a name="l01134"></a>01134 EntryMap::Iterator it = m_mapEntries.begin();
<a name="l01135"></a>01135 <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it ) {
<a name="l01136"></a>01136
<a name="l01137"></a>01137 Client* c = (*it).m_clients.first();
<a name="l01138"></a>01138 <span class="keywordflow">for</span>(;c;c=(*it).m_clients.next())
<a name="l01139"></a>01139 <span class="keywordflow">if</span> (!c->watchingStopped || skippedToo)
<a name="l01140"></a>01140 c->pending = NoChange;
<a name="l01141"></a>01141 }
<a name="l01142"></a>01142 }
<a name="l01143"></a>01143
<a name="l01144"></a>01144 <span class="comment">// Return event happened on <e></span>
<a name="l01145"></a>01145 <span class="comment">//</span>
<a name="l01146"></a>01146 <span class="keywordtype">int</span> KDirWatchPrivate::scanEntry(Entry* e)
<a name="l01147"></a>01147 {
<a name="l01148"></a>01148 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l01149"></a>01149 <span class="preprocessor"></span> <span class="keywordflow">if</span> (e->m_mode == FAMMode) {
<a name="l01150"></a>01150 <span class="comment">// we know nothing has changed, no need to stat</span>
<a name="l01151"></a>01151 <span class="keywordflow">if</span>(!e->dirty) <span class="keywordflow">return</span> NoChange;
<a name="l01152"></a>01152 e->dirty = <span class="keyword">false</span>;
<a name="l01153"></a>01153 }
<a name="l01154"></a>01154 <span class="preprocessor">#endif</span>
<a name="l01155"></a>01155 <span class="preprocessor"></span>
<a name="l01156"></a>01156 <span class="comment">// Shouldn't happen: Ignore "unknown" notification method</span>
<a name="l01157"></a>01157 <span class="keywordflow">if</span> (e->m_mode == UnknownMode) <span class="keywordflow">return</span> NoChange;
<a name="l01158"></a>01158
<a name="l01159"></a>01159 <span class="preprocessor">#if defined ( HAVE_DNOTIFY ) || defined( HAVE_INOTIFY )</span>
<a name="l01160"></a>01160 <span class="preprocessor"></span> <span class="keywordflow">if</span> (e->m_mode == DNotifyMode || e->m_mode == INotifyMode ) {
<a name="l01161"></a>01161 <span class="comment">// we know nothing has changed, no need to stat</span>
<a name="l01162"></a>01162 <span class="keywordflow">if</span>(!e->dirty) <span class="keywordflow">return</span> NoChange;
<a name="l01163"></a>01163 kdDebug(7001) << <span class="stringliteral">"scanning "</span> << e->path << <span class="stringliteral">" "</span> << e->m_status << <span class="stringliteral">" "</span> << e->m_ctime << endl;
<a name="l01164"></a>01164 e->dirty = <span class="keyword">false</span>;
<a name="l01165"></a>01165 }
<a name="l01166"></a>01166 <span class="preprocessor">#endif</span>
<a name="l01167"></a>01167 <span class="preprocessor"></span>
<a name="l01168"></a>01168 <span class="keywordflow">if</span> (e->m_mode == StatMode) {
<a name="l01169"></a>01169 <span class="comment">// only scan if timeout on entry timer happens;</span>
<a name="l01170"></a>01170 <span class="comment">// e.g. when using 500msec global timer, a entry</span>
<a name="l01171"></a>01171 <span class="comment">// with freq=5000 is only watched every 10th time</span>
<a name="l01172"></a>01172
<a name="l01173"></a>01173 e->msecLeft -= freq;
<a name="l01174"></a>01174 <span class="keywordflow">if</span> (e->msecLeft>0) <span class="keywordflow">return</span> NoChange;
<a name="l01175"></a>01175 e->msecLeft += e->freq;
<a name="l01176"></a>01176 }
<a name="l01177"></a>01177
<a name="l01178"></a>01178 KDE_struct_stat stat_buf;
<a name="l01179"></a>01179 <span class="keywordtype">bool</span> exists = (KDE_stat(<a class="codeRef" doxygen="qt.tag:" href="qfile.html#encodeName">QFile::encodeName</a>(e->path), &stat_buf) == 0);
<a name="l01180"></a>01180 <span class="keywordflow">if</span> (exists) {
<a name="l01181"></a>01181
<a name="l01182"></a>01182 <span class="keywordflow">if</span> (e->m_status == NonExistent) {
<a name="l01183"></a>01183 e->m_ctime = stat_buf.st_ctime;
<a name="l01184"></a>01184 e->m_status = Normal;
<a name="l01185"></a>01185 e->m_nlink = stat_buf.st_nlink;
<a name="l01186"></a>01186 <span class="keywordflow">return</span> Created;
<a name="l01187"></a>01187 }
<a name="l01188"></a>01188
<a name="l01189"></a>01189 <span class="keywordflow">if</span> ( (e->m_ctime != invalid_ctime) &&
<a name="l01190"></a>01190 ((stat_buf.st_ctime != e->m_ctime) ||
<a name="l01191"></a>01191 (stat_buf.st_nlink != (nlink_t) e->m_nlink)) ) {
<a name="l01192"></a>01192 e->m_ctime = stat_buf.st_ctime;
<a name="l01193"></a>01193 e->m_nlink = stat_buf.st_nlink;
<a name="l01194"></a>01194 <span class="keywordflow">return</span> Changed;
<a name="l01195"></a>01195 }
<a name="l01196"></a>01196
<a name="l01197"></a>01197 <span class="keywordflow">return</span> NoChange;
<a name="l01198"></a>01198 }
<a name="l01199"></a>01199
<a name="l01200"></a>01200 <span class="comment">// dir/file doesn't exist</span>
<a name="l01201"></a>01201
<a name="l01202"></a>01202 <span class="keywordflow">if</span> (e->m_ctime == invalid_ctime && e->m_status == NonExistent) {
<a name="l01203"></a>01203 e->m_nlink = 0;
<a name="l01204"></a>01204 e->m_status = NonExistent;
<a name="l01205"></a>01205 <span class="keywordflow">return</span> NoChange;
<a name="l01206"></a>01206 }
<a name="l01207"></a>01207
<a name="l01208"></a>01208 e->m_ctime = invalid_ctime;
<a name="l01209"></a>01209 e->m_nlink = 0;
<a name="l01210"></a>01210 e->m_status = NonExistent;
<a name="l01211"></a>01211
<a name="l01212"></a>01212 <span class="keywordflow">return</span> Deleted;
<a name="l01213"></a>01213 }
<a name="l01214"></a>01214
<a name="l01215"></a>01215 <span class="comment">/* Notify all interested KDirWatch instances about a given event on an entry</span>
<a name="l01216"></a>01216 <span class="comment"> * and stored pending events. When watching is stopped, the event is</span>
<a name="l01217"></a>01217 <span class="comment"> * added to the pending events.</span>
<a name="l01218"></a>01218 <span class="comment"> */</span>
<a name="l01219"></a>01219 <span class="keywordtype">void</span> KDirWatchPrivate::emitEvent(Entry* e, <span class="keywordtype">int</span> event, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &fileName)
<a name="l01220"></a>01220 {
<a name="l01221"></a>01221 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> path = e->path;
<a name="l01222"></a>01222 <span class="keywordflow">if</span> (!fileName.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isEmpty">isEmpty</a>()) {
<a name="l01223"></a>01223 <span class="keywordflow">if</span> (!<a class="codeRef" doxygen="qt.tag:" href="qdir.html#isRelativePath">QDir::isRelativePath</a>(fileName))
<a name="l01224"></a>01224 path = fileName;
<a name="l01225"></a>01225 <span class="keywordflow">else</span>
<a name="l01226"></a>01226 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l01227"></a>01227 <span class="preprocessor"></span> path += <span class="stringliteral">"/"</span> + fileName;
<a name="l01228"></a>01228 <span class="preprocessor">#elif defined(Q_WS_WIN)</span>
<a name="l01229"></a>01229 <span class="preprocessor"></span> <span class="comment">//current drive is passed instead of /</span>
<a name="l01230"></a>01230 path += <a class="codeRef" doxygen="qt.tag:" href="qdir.html#currentDirPath">QDir::currentDirPath</a>().left(2) + <span class="stringliteral">"/"</span> + fileName;
<a name="l01231"></a>01231 <span class="preprocessor">#endif</span>
<a name="l01232"></a>01232 <span class="preprocessor"></span> }
<a name="l01233"></a>01233
<a name="l01234"></a>01234 <a class="codeRef" doxygen="qt.tag:" href="qptrlistiterator.html">QPtrListIterator<Client></a> cit( e->m_clients );
<a name="l01235"></a>01235 <span class="keywordflow">for</span> ( ; cit.current(); ++cit )
<a name="l01236"></a>01236 {
<a name="l01237"></a>01237 Client* c = cit.current();
<a name="l01238"></a>01238
<a name="l01239"></a>01239 <span class="keywordflow">if</span> (c->instance==0 || c->count==0) <span class="keywordflow">continue</span>;
<a name="l01240"></a>01240
<a name="l01241"></a>01241 <span class="keywordflow">if</span> (c->watchingStopped) {
<a name="l01242"></a>01242 <span class="comment">// add event to pending...</span>
<a name="l01243"></a>01243 <span class="keywordflow">if</span> (event == Changed)
<a name="l01244"></a>01244 c->pending |= event;
<a name="l01245"></a>01245 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (event == Created || event == Deleted)
<a name="l01246"></a>01246 c->pending = event;
<a name="l01247"></a>01247 <span class="keywordflow">continue</span>;
<a name="l01248"></a>01248 }
<a name="l01249"></a>01249 <span class="comment">// not stopped</span>
<a name="l01250"></a>01250 <span class="keywordflow">if</span> (event == NoChange || event == Changed)
<a name="l01251"></a>01251 event |= c->pending;
<a name="l01252"></a>01252 c->pending = NoChange;
<a name="l01253"></a>01253 <span class="keywordflow">if</span> (event == NoChange) <span class="keywordflow">continue</span>;
<a name="l01254"></a>01254
<a name="l01255"></a>01255 <span class="keywordflow">if</span> (event & Deleted) {
<a name="l01256"></a>01256 c->instance->setDeleted(path);
<a name="l01257"></a>01257 <span class="comment">// emit only Deleted event...</span>
<a name="l01258"></a>01258 <span class="keywordflow">continue</span>;
<a name="l01259"></a>01259 }
<a name="l01260"></a>01260
<a name="l01261"></a>01261 <span class="keywordflow">if</span> (event & Created) {
<a name="l01262"></a>01262 c->instance->setCreated(path);
<a name="l01263"></a>01263 <span class="comment">// possible emit Change event after creation</span>
<a name="l01264"></a>01264 }
<a name="l01265"></a>01265
<a name="l01266"></a>01266 <span class="keywordflow">if</span> (event & Changed)
<a name="l01267"></a>01267 c->instance->setDirty(path);
<a name="l01268"></a>01268 }
<a name="l01269"></a>01269 }
<a name="l01270"></a>01270
<a name="l01271"></a>01271 <span class="comment">// Remove entries which were marked to be removed</span>
<a name="l01272"></a>01272 <span class="keywordtype">void</span> KDirWatchPrivate::slotRemoveDelayed()
<a name="l01273"></a>01273 {
<a name="l01274"></a>01274 Entry* e;
<a name="l01275"></a>01275 delayRemove = <span class="keyword">false</span>;
<a name="l01276"></a>01276 <span class="keywordflow">for</span>(e=removeList.first();e;e=removeList.next())
<a name="l01277"></a>01277 removeEntry(0, e->path, 0);
<a name="l01278"></a>01278 removeList.clear();
<a name="l01279"></a>01279 }
<a name="l01280"></a>01280
<a name="l01281"></a>01281 <span class="comment">/* Scan all entries to be watched for changes. This is done regularly</span>
<a name="l01282"></a>01282 <span class="comment"> * when polling and once after a DNOTIFY signal. This is NOT used by FAM.</span>
<a name="l01283"></a>01283 <span class="comment"> */</span>
<a name="l01284"></a>01284 <span class="keywordtype">void</span> KDirWatchPrivate::slotRescan()
<a name="l01285"></a>01285 {
<a name="l01286"></a>01286 EntryMap::Iterator it;
<a name="l01287"></a>01287
<a name="l01288"></a>01288 <span class="comment">// People can do very long things in the slot connected to dirty(),</span>
<a name="l01289"></a>01289 <span class="comment">// like showing a message box. We don't want to keep polling during</span>
<a name="l01290"></a>01290 <span class="comment">// that time, otherwise the value of 'delayRemove' will be reset.</span>
<a name="l01291"></a>01291 <span class="keywordtype">bool</span> timerRunning = timer->isActive();
<a name="l01292"></a>01292 <span class="keywordflow">if</span> ( timerRunning )
<a name="l01293"></a>01293 timer->stop();
<a name="l01294"></a>01294
<a name="l01295"></a>01295 <span class="comment">// We delay deletions of entries this way.</span>
<a name="l01296"></a>01296 <span class="comment">// removeDir(), when called in slotDirty(), can cause a crash otherwise</span>
<a name="l01297"></a>01297 delayRemove = <span class="keyword">true</span>;
<a name="l01298"></a>01298
<a name="l01299"></a>01299 <span class="preprocessor">#if defined(HAVE_DNOTIFY) || defined(HAVE_INOTIFY)</span>
<a name="l01300"></a>01300 <span class="preprocessor"></span> <a class="codeRef" doxygen="qt.tag:" href="qptrlist.html">QPtrList<Entry></a> dList, cList;
<a name="l01301"></a>01301 <span class="preprocessor">#endif</span>
<a name="l01302"></a>01302 <span class="preprocessor"></span>
<a name="l01303"></a>01303 <span class="keywordflow">if</span> (rescan_all)
<a name="l01304"></a>01304 {
<a name="l01305"></a>01305 <span class="comment">// mark all as dirty</span>
<a name="l01306"></a>01306 it = m_mapEntries.begin();
<a name="l01307"></a>01307 <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it )
<a name="l01308"></a>01308 (*it).dirty = <span class="keyword">true</span>;
<a name="l01309"></a>01309 rescan_all = <span class="keyword">false</span>;
<a name="l01310"></a>01310 }
<a name="l01311"></a>01311 <span class="keywordflow">else</span>
<a name="l01312"></a>01312 {
<a name="l01313"></a>01313 <span class="comment">// progate dirty flag to dependant entries (e.g. file watches)</span>
<a name="l01314"></a>01314 it = m_mapEntries.begin();
<a name="l01315"></a>01315 <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it )
<a name="l01316"></a>01316 <span class="keywordflow">if</span> (((*it).m_mode == INotifyMode || (*it).m_mode == DNotifyMode) && (*it).dirty )
<a name="l01317"></a>01317 (*it).propagate_dirty();
<a name="l01318"></a>01318 }
<a name="l01319"></a>01319
<a name="l01320"></a>01320 it = m_mapEntries.begin();
<a name="l01321"></a>01321 <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it ) {
<a name="l01322"></a>01322 <span class="comment">// we don't check invalid entries (i.e. remove delayed)</span>
<a name="l01323"></a>01323 <span class="keywordflow">if</span> (!(*it).isValid()) <span class="keywordflow">continue</span>;
<a name="l01324"></a>01324
<a name="l01325"></a>01325 <span class="keywordtype">int</span> ev = scanEntry( &(*it) );
<a name="l01326"></a>01326
<a name="l01327"></a>01327
<a name="l01328"></a>01328 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l01329"></a>01329 <span class="preprocessor"></span> <span class="keywordflow">if</span> ((*it).m_mode == INotifyMode && ev == Created && (*it).wd == 0) {
<a name="l01330"></a>01330 cList.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#append">append</a>( &(*it) );
<a name="l01331"></a>01331 <span class="keywordflow">if</span> (! useINotify( &(*it) )) {
<a name="l01332"></a>01332 useStat( &(*it) );
<a name="l01333"></a>01333 }
<a name="l01334"></a>01334 }
<a name="l01335"></a>01335 <span class="preprocessor">#endif</span>
<a name="l01336"></a>01336 <span class="preprocessor"></span>
<a name="l01337"></a>01337 <span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l01338"></a>01338 <span class="preprocessor"></span> <span class="keywordflow">if</span> ((*it).m_mode == DNotifyMode) {
<a name="l01339"></a>01339 <span class="keywordflow">if</span> ((*it).isDir && (ev == Deleted)) {
<a name="l01340"></a>01340 dList.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#append">append</a>( &(*it) );
<a name="l01341"></a>01341
<a name="l01342"></a>01342 <span class="comment">// must close the FD.</span>
<a name="l01343"></a>01343 <span class="keywordflow">if</span> ((*it).dn_fd) {
<a name="l01344"></a>01344 ::close((*it).dn_fd);
<a name="l01345"></a>01345 fd_Entry.remove((*it).dn_fd);
<a name="l01346"></a>01346 (*it).dn_fd = 0;
<a name="l01347"></a>01347 }
<a name="l01348"></a>01348 }
<a name="l01349"></a>01349
<a name="l01350"></a>01350 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((*it).isDir && (ev == Created)) {
<a name="l01351"></a>01351 <span class="comment">// For created, but yet without DNOTIFYing ...</span>
<a name="l01352"></a>01352 <span class="keywordflow">if</span> ( (*it).dn_fd == 0) {
<a name="l01353"></a>01353 cList.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#append">append</a>( &(*it) );
<a name="l01354"></a>01354 <span class="keywordflow">if</span> (! useDNotify( &(*it) )) {
<a name="l01355"></a>01355 <span class="comment">// if DNotify setup fails...</span>
<a name="l01356"></a>01356 useStat( &(*it) );
<a name="l01357"></a>01357 }
<a name="l01358"></a>01358 }
<a name="l01359"></a>01359 }
<a name="l01360"></a>01360 }
<a name="l01361"></a>01361 <span class="preprocessor">#endif</span>
<a name="l01362"></a>01362 <span class="preprocessor"></span>
<a name="l01363"></a>01363 <span class="keywordflow">if</span> ( ev != NoChange )
<a name="l01364"></a>01364 emitEvent( &(*it), ev);
<a name="l01365"></a>01365 }
<a name="l01366"></a>01366
<a name="l01367"></a>01367
<a name="l01368"></a>01368 <span class="preprocessor">#if defined(HAVE_DNOTIFY) || defined(HAVE_INOTIFY)</span>
<a name="l01369"></a>01369 <span class="preprocessor"></span> <span class="comment">// Scan parent of deleted directories for new creation</span>
<a name="l01370"></a>01370 Entry* e;
<a name="l01371"></a>01371 <span class="keywordflow">for</span>(e=dList.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#first">first</a>();e;e=dList.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#next">next</a>())
<a name="l01372"></a>01372 addEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>( e->path+<span class="stringliteral">"/.."</span>), e, <span class="keyword">true</span>);
<a name="l01373"></a>01373
<a name="l01374"></a>01374 <span class="comment">// Remove watch of parent of new created directories</span>
<a name="l01375"></a>01375 <span class="keywordflow">for</span>(e=cList.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#first">first</a>();e;e=cList.<a class="codeRef" doxygen="qt.tag:" href="qptrlist.html#next">next</a>())
<a name="l01376"></a>01376 removeEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>( e->path+<span class="stringliteral">"/.."</span>), e);
<a name="l01377"></a>01377 <span class="preprocessor">#endif</span>
<a name="l01378"></a>01378 <span class="preprocessor"></span>
<a name="l01379"></a>01379 <span class="keywordflow">if</span> ( timerRunning )
<a name="l01380"></a>01380 timer->start(freq);
<a name="l01381"></a>01381
<a name="l01382"></a>01382 <a class="codeRef" doxygen="qt.tag:" href="qtimer.html#singleShot">QTimer::singleShot</a>(0, <span class="keyword">this</span>, SLOT(slotRemoveDelayed()));
<a name="l01383"></a>01383 }
<a name="l01384"></a>01384
<a name="l01385"></a>01385 <span class="keywordtype">bool</span> KDirWatchPrivate::isNoisyFile( <span class="keyword">const</span> <span class="keywordtype">char</span> * filename )
<a name="l01386"></a>01386 {
<a name="l01387"></a>01387 <span class="comment">// $HOME/.X.err grows with debug output, so don't notify change</span>
<a name="l01388"></a>01388 <span class="keywordflow">if</span> ( *filename == <span class="charliteral">'.'</span>) {
<a name="l01389"></a>01389 <span class="keywordflow">if</span> (strncmp(filename, <span class="stringliteral">".X.err"</span>, 6) == 0) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01390"></a>01390 <span class="keywordflow">if</span> (strncmp(filename, <span class="stringliteral">".xsession-errors"</span>, 16) == 0) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01391"></a>01391 <span class="comment">// fontconfig updates the cache on every KDE app start</span>
<a name="l01392"></a>01392 <span class="comment">// (inclusive kio_thumbnail slaves)</span>
<a name="l01393"></a>01393 <span class="keywordflow">if</span> (strncmp(filename, <span class="stringliteral">".fonts.cache"</span>, 12) == 0) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01394"></a>01394 }
<a name="l01395"></a>01395
<a name="l01396"></a>01396 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01397"></a>01397 }
<a name="l01398"></a>01398
<a name="l01399"></a>01399 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l01400"></a>01400 <span class="preprocessor"></span><span class="keywordtype">void</span> KDirWatchPrivate::famEventReceived()
<a name="l01401"></a>01401 {
<a name="l01402"></a>01402 <span class="keyword">static</span> FAMEvent fe;
<a name="l01403"></a>01403
<a name="l01404"></a>01404 delayRemove = <span class="keyword">true</span>;
<a name="l01405"></a>01405
<a name="l01406"></a>01406 <span class="keywordflow">while</span>(use_fam && FAMPending(&fc)) {
<a name="l01407"></a>01407 <span class="keywordflow">if</span> (FAMNextEvent(&fc, &fe) == -1) {
<a name="l01408"></a>01408 kdWarning(7001) << <span class="stringliteral">"FAM connection problem, switching to polling."</span>
<a name="l01409"></a>01409 << endl;
<a name="l01410"></a>01410 use_fam = <span class="keyword">false</span>;
<a name="l01411"></a>01411 <span class="keyword">delete</span> sn; sn = 0;
<a name="l01412"></a>01412
<a name="l01413"></a>01413 <span class="comment">// Replace all FAMMode entries with DNotify/Stat</span>
<a name="l01414"></a>01414 EntryMap::Iterator it;
<a name="l01415"></a>01415 it = m_mapEntries.begin();
<a name="l01416"></a>01416 <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it )
<a name="l01417"></a>01417 <span class="keywordflow">if</span> ((*it).m_mode == FAMMode && (*it).m_clients.count()>0) {
<a name="l01418"></a>01418 #ifdef HAVE_INOTIFY
<a name="l01419"></a>01419 <span class="keywordflow">if</span> (useINotify( &(*it) )) <span class="keywordflow">continue</span>;
<a name="l01420"></a>01420 <span class="preprocessor">#endif</span>
<a name="l01421"></a>01421 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l01422"></a>01422 <span class="preprocessor"></span> <span class="keywordflow">if</span> (useDNotify( &(*it) )) <span class="keywordflow">continue</span>;
<a name="l01423"></a>01423 <span class="preprocessor">#endif</span>
<a name="l01424"></a>01424 <span class="preprocessor"></span> useStat( &(*it) );
<a name="l01425"></a>01425 }
<a name="l01426"></a>01426 }
<a name="l01427"></a>01427 <span class="keywordflow">else</span>
<a name="l01428"></a>01428 checkFAMEvent(&fe);
<a name="l01429"></a>01429 }
<a name="l01430"></a>01430
<a name="l01431"></a>01431 <a class="codeRef" doxygen="qt.tag:" href="qtimer.html#singleShot">QTimer::singleShot</a>(0, <span class="keyword">this</span>, SLOT(slotRemoveDelayed()));
<a name="l01432"></a>01432 }
<a name="l01433"></a>01433
<a name="l01434"></a>01434 <span class="keywordtype">void</span> KDirWatchPrivate::checkFAMEvent(FAMEvent* fe)
<a name="l01435"></a>01435 {
<a name="l01436"></a>01436 <span class="comment">// Don't be too verbose ;-)</span>
<a name="l01437"></a>01437 <span class="keywordflow">if</span> ((fe->code == FAMExists) ||
<a name="l01438"></a>01438 (fe->code == FAMEndExist) ||
<a name="l01439"></a>01439 (fe->code == FAMAcknowledge)) <span class="keywordflow">return</span>;
<a name="l01440"></a>01440
<a name="l01441"></a>01441 <span class="keywordflow">if</span> ( isNoisyFile( fe->filename ) )
<a name="l01442"></a>01442 <span class="keywordflow">return</span>;
<a name="l01443"></a>01443
<a name="l01444"></a>01444 Entry* e = 0;
<a name="l01445"></a>01445 EntryMap::Iterator it = m_mapEntries.begin();
<a name="l01446"></a>01446 <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it )
<a name="l01447"></a>01447 <span class="keywordflow">if</span> (FAMREQUEST_GETREQNUM(&( (*it).fr )) ==
<a name="l01448"></a>01448 FAMREQUEST_GETREQNUM(&(fe->fr)) ) {
<a name="l01449"></a>01449 e = &(*it);
<a name="l01450"></a>01450 <span class="keywordflow">break</span>;
<a name="l01451"></a>01451 }
<a name="l01452"></a>01452
<a name="l01453"></a>01453 <span class="comment">// Entry* e = static_cast<Entry*>(fe->userdata);</span>
<a name="l01454"></a>01454
<a name="l01455"></a>01455 <span class="preprocessor">#if 0 // #88538</span>
<a name="l01456"></a>01456 <span class="preprocessor"></span> kdDebug(7001) << <span class="stringliteral">"Processing FAM event ("</span>
<a name="l01457"></a>01457 << ((fe->code == FAMChanged) ? <span class="stringliteral">"FAMChanged"</span> :
<a name="l01458"></a>01458 (fe->code == FAMDeleted) ? <span class="stringliteral">"FAMDeleted"</span> :
<a name="l01459"></a>01459 (fe->code == FAMStartExecuting) ? <span class="stringliteral">"FAMStartExecuting"</span> :
<a name="l01460"></a>01460 (fe->code == FAMStopExecuting) ? <span class="stringliteral">"FAMStopExecuting"</span> :
<a name="l01461"></a>01461 (fe->code == FAMCreated) ? <span class="stringliteral">"FAMCreated"</span> :
<a name="l01462"></a>01462 (fe->code == FAMMoved) ? <span class="stringliteral">"FAMMoved"</span> :
<a name="l01463"></a>01463 (fe->code == FAMAcknowledge) ? <span class="stringliteral">"FAMAcknowledge"</span> :
<a name="l01464"></a>01464 (fe->code == FAMExists) ? <span class="stringliteral">"FAMExists"</span> :
<a name="l01465"></a>01465 (fe->code == FAMEndExist) ? <span class="stringliteral">"FAMEndExist"</span> : <span class="stringliteral">"Unknown Code"</span>)
<a name="l01466"></a>01466 << <span class="stringliteral">", "</span> << fe->filename
<a name="l01467"></a>01467 << <span class="stringliteral">", Req "</span> << FAMREQUEST_GETREQNUM(&(fe->fr))
<a name="l01468"></a>01468 << <span class="stringliteral">")"</span> << endl;
<a name="l01469"></a>01469 <span class="preprocessor">#endif</span>
<a name="l01470"></a>01470 <span class="preprocessor"></span>
<a name="l01471"></a>01471 <span class="keywordflow">if</span> (!e) {
<a name="l01472"></a>01472 <span class="comment">// this happens e.g. for FAMAcknowledge after deleting a dir...</span>
<a name="l01473"></a>01473 <span class="comment">// kdDebug(7001) << "No entry for FAM event ?!" << endl;</span>
<a name="l01474"></a>01474 <span class="keywordflow">return</span>;
<a name="l01475"></a>01475 }
<a name="l01476"></a>01476
<a name="l01477"></a>01477 <span class="keywordflow">if</span> (e->m_status == NonExistent) {
<a name="l01478"></a>01478 kdDebug(7001) << <span class="stringliteral">"FAM event for nonExistent entry "</span> << e->path << endl;
<a name="l01479"></a>01479 <span class="keywordflow">return</span>;
<a name="l01480"></a>01480 }
<a name="l01481"></a>01481
<a name="l01482"></a>01482 <span class="comment">// Delayed handling. This rechecks changes with own stat calls.</span>
<a name="l01483"></a>01483 e->dirty = <span class="keyword">true</span>;
<a name="l01484"></a>01484 <span class="keywordflow">if</span> (!rescan_timer.isActive())
<a name="l01485"></a>01485 rescan_timer.start(m_PollInterval, <span class="keyword">true</span>);
<a name="l01486"></a>01486
<a name="l01487"></a>01487 <span class="comment">// needed FAM control actions on FAM events</span>
<a name="l01488"></a>01488 <span class="keywordflow">if</span> (e->isDir)
<a name="l01489"></a>01489 <span class="keywordflow">switch</span> (fe->code)
<a name="l01490"></a>01490 {
<a name="l01491"></a>01491 <span class="keywordflow">case</span> FAMDeleted:
<a name="l01492"></a>01492 <span class="comment">// file absolute: watched dir</span>
<a name="l01493"></a>01493 <span class="keywordflow">if</span> (!<a class="codeRef" doxygen="qt.tag:" href="qdir.html#isRelativePath">QDir::isRelativePath</a>(fe->filename))
<a name="l01494"></a>01494 {
<a name="l01495"></a>01495 <span class="comment">// a watched directory was deleted</span>
<a name="l01496"></a>01496
<a name="l01497"></a>01497 e->m_status = NonExistent;
<a name="l01498"></a>01498 FAMCancelMonitor(&fc, &(e->fr) ); <span class="comment">// needed ?</span>
<a name="l01499"></a>01499 kdDebug(7001) << <span class="stringliteral">"Cancelled FAMReq "</span>
<a name="l01500"></a>01500 << FAMREQUEST_GETREQNUM(&(e->fr))
<a name="l01501"></a>01501 << <span class="stringliteral">" for "</span> << e->path << endl;
<a name="l01502"></a>01502 <span class="comment">// Scan parent for a new creation</span>
<a name="l01503"></a>01503 addEntry(0, <a class="codeRef" doxygen="qt.tag:" href="qdir.html#cleanDirPath">QDir::cleanDirPath</a>( e->path+<span class="stringliteral">"/.."</span>), e, <span class="keyword">true</span>);
<a name="l01504"></a>01504 }
<a name="l01505"></a>01505 <span class="keywordflow">break</span>;
<a name="l01506"></a>01506
<a name="l01507"></a>01507 <span class="keywordflow">case</span> FAMCreated: {
<a name="l01508"></a>01508 <span class="comment">// check for creation of a directory we have to watch</span>
<a name="l01509"></a>01509 Entry *sub_entry = e->m_entries.first();
<a name="l01510"></a>01510 <span class="keywordflow">for</span>(;sub_entry; sub_entry = e->m_entries.next())
<a name="l01511"></a>01511 <span class="keywordflow">if</span> (sub_entry->path == e->path + <span class="stringliteral">"/"</span> + fe->filename) <span class="keywordflow">break</span>;
<a name="l01512"></a>01512 <span class="keywordflow">if</span> (sub_entry && sub_entry->isDir) {
<a name="l01513"></a>01513 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> path = e->path;
<a name="l01514"></a>01514 removeEntry(0,e->path,sub_entry); <span class="comment">// <e> can be invalid here!!</span>
<a name="l01515"></a>01515 sub_entry->m_status = Normal;
<a name="l01516"></a>01516 <span class="keywordflow">if</span> (!useFAM(sub_entry))
<a name="l01517"></a>01517 <span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l01518"></a>01518 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!useINotify(sub_entry ))
<a name="l01519"></a>01519 <span class="preprocessor">#endif</span>
<a name="l01520"></a>01520 <span class="preprocessor"></span> useStat(sub_entry);
<a name="l01521"></a>01521 }
<a name="l01522"></a>01522 <span class="keywordflow">break</span>;
<a name="l01523"></a>01523 }
<a name="l01524"></a>01524
<a name="l01525"></a>01525 <span class="keywordflow">default</span>:
<a name="l01526"></a>01526 <span class="keywordflow">break</span>;
<a name="l01527"></a>01527 }
<a name="l01528"></a>01528 }
<a name="l01529"></a>01529 <span class="preprocessor">#else</span>
<a name="l01530"></a>01530 <span class="preprocessor"></span><span class="keywordtype">void</span> KDirWatchPrivate::famEventReceived() {}
<a name="l01531"></a>01531 <span class="preprocessor">#endif</span>
<a name="l01532"></a>01532 <span class="preprocessor"></span>
<a name="l01533"></a>01533
<a name="l01534"></a>01534 <span class="keywordtype">void</span> KDirWatchPrivate::statistics()
<a name="l01535"></a>01535 {
<a name="l01536"></a>01536 EntryMap::Iterator it;
<a name="l01537"></a>01537
<a name="l01538"></a>01538 kdDebug(7001) << <span class="stringliteral">"Entries watched:"</span> << endl;
<a name="l01539"></a>01539 <span class="keywordflow">if</span> (m_mapEntries.count()==0) {
<a name="l01540"></a>01540 kdDebug(7001) << <span class="stringliteral">" None."</span> << endl;
<a name="l01541"></a>01541 }
<a name="l01542"></a>01542 <span class="keywordflow">else</span> {
<a name="l01543"></a>01543 it = m_mapEntries.begin();
<a name="l01544"></a>01544 <span class="keywordflow">for</span>( ; it != m_mapEntries.end(); ++it ) {
<a name="l01545"></a>01545 Entry* e = &(*it);
<a name="l01546"></a>01546 kdDebug(7001) << <span class="stringliteral">" "</span> << e->path << <span class="stringliteral">" ("</span>
<a name="l01547"></a>01547 << ((e->m_status==Normal)?<span class="stringliteral">""</span>:<span class="stringliteral">"Nonexistent "</span>)
<a name="l01548"></a>01548 << (e->isDir ? <span class="stringliteral">"Dir"</span>:<span class="stringliteral">"File"</span>) << <span class="stringliteral">", using "</span>
<a name="l01549"></a>01549 << ((e->m_mode == FAMMode) ? <span class="stringliteral">"FAM"</span> :
<a name="l01550"></a>01550 (e->m_mode == INotifyMode) ? <span class="stringliteral">"INotify"</span> :
<a name="l01551"></a>01551 (e->m_mode == DNotifyMode) ? <span class="stringliteral">"DNotify"</span> :
<a name="l01552"></a>01552 (e->m_mode == StatMode) ? <span class="stringliteral">"Stat"</span> : <span class="stringliteral">"Unknown Method"</span>)
<a name="l01553"></a>01553 << <span class="stringliteral">")"</span> << endl;
<a name="l01554"></a>01554
<a name="l01555"></a>01555 Client* c = e->m_clients.first();
<a name="l01556"></a>01556 <span class="keywordflow">for</span>(;c; c = e->m_clients.next()) {
<a name="l01557"></a>01557 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> pending;
<a name="l01558"></a>01558 <span class="keywordflow">if</span> (c->watchingStopped) {
<a name="l01559"></a>01559 <span class="keywordflow">if</span> (c->pending & Deleted) pending += <span class="stringliteral">"deleted "</span>;
<a name="l01560"></a>01560 <span class="keywordflow">if</span> (c->pending & Created) pending += <span class="stringliteral">"created "</span>;
<a name="l01561"></a>01561 <span class="keywordflow">if</span> (c->pending & Changed) pending += <span class="stringliteral">"changed "</span>;
<a name="l01562"></a>01562 <span class="keywordflow">if</span> (!pending.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isEmpty">isEmpty</a>()) pending = <span class="stringliteral">" (pending: "</span> + pending + <span class="stringliteral">")"</span>;
<a name="l01563"></a>01563 pending = <span class="stringliteral">", stopped"</span> + pending;
<a name="l01564"></a>01564 }
<a name="l01565"></a>01565 kdDebug(7001) << <span class="stringliteral">" by "</span> << c->instance->name()
<a name="l01566"></a>01566 << <span class="stringliteral">" ("</span> << c->count << <span class="stringliteral">" times)"</span>
<a name="l01567"></a>01567 << pending << endl;
<a name="l01568"></a>01568 }
<a name="l01569"></a>01569 <span class="keywordflow">if</span> (e->m_entries.count()>0) {
<a name="l01570"></a>01570 kdDebug(7001) << <span class="stringliteral">" dependent entries:"</span> << endl;
<a name="l01571"></a>01571 Entry* d = e->m_entries.first();
<a name="l01572"></a>01572 <span class="keywordflow">for</span>(;d; d = e->m_entries.next()) {
<a name="l01573"></a>01573 kdDebug(7001) << <span class="stringliteral">" "</span> << d << endl;
<a name="l01574"></a>01574 kdDebug(7001) << <span class="stringliteral">" "</span> << d->path << <span class="stringliteral">" ("</span> << d << <span class="stringliteral">") "</span> << endl;
<a name="l01575"></a>01575 }
<a name="l01576"></a>01576 }
<a name="l01577"></a>01577 }
<a name="l01578"></a>01578 }
<a name="l01579"></a>01579 }
<a name="l01580"></a>01580
<a name="l01581"></a>01581
<a name="l01582"></a>01582 <span class="comment">//</span>
<a name="l01583"></a>01583 <span class="comment">// Class KDirWatch</span>
<a name="l01584"></a>01584 <span class="comment">//</span>
<a name="l01585"></a>01585
<a name="l01586"></a>01586 <span class="keyword">static</span> KStaticDeleter<KDirWatch> sd_dw;
<a name="l01587"></a>01587 <a class="code" href="classKDirWatch.html">KDirWatch</a>* KDirWatch::s_pSelf = 0L;
<a name="l01588"></a>01588
<a name="l01589"></a><a class="code" href="classKDirWatch.html#599b7ca7a1882b16fb898c5a29853936">01589</a> <a class="code" href="classKDirWatch.html">KDirWatch</a>* <a class="code" href="classKDirWatch.html#599b7ca7a1882b16fb898c5a29853936">KDirWatch::self</a>()
<a name="l01590"></a>01590 {
<a name="l01591"></a>01591 <span class="keywordflow">if</span> ( !s_pSelf ) {
<a name="l01592"></a>01592 sd_dw.setObject( s_pSelf, <span class="keyword">new</span> <a class="code" href="classKDirWatch.html">KDirWatch</a> );
<a name="l01593"></a>01593 }
<a name="l01594"></a>01594
<a name="l01595"></a>01595 <span class="keywordflow">return</span> s_pSelf;
<a name="l01596"></a>01596 }
<a name="l01597"></a>01597
<a name="l01598"></a><a class="code" href="classKDirWatch.html#820423bac0bda71473e2365b37c921b1">01598</a> <span class="keywordtype">bool</span> <a class="code" href="classKDirWatch.html#820423bac0bda71473e2365b37c921b1">KDirWatch::exists</a>()
<a name="l01599"></a>01599 {
<a name="l01600"></a>01600 <span class="keywordflow">return</span> s_pSelf != 0;
<a name="l01601"></a>01601 }
<a name="l01602"></a>01602
<a name="l01603"></a><a class="code" href="classKDirWatch.html#d598a2a34a304d642382939a1ba6952e">01603</a> <a class="code" href="classKDirWatch.html#d598a2a34a304d642382939a1ba6952e">KDirWatch::KDirWatch</a> (<a class="codeRef" doxygen="qt.tag:" href="qobject.html">QObject</a>* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name)
<a name="l01604"></a>01604 : <a class="codeRef" doxygen="qt.tag:" href="qobject.html">QObject</a>(parent,name)
<a name="l01605"></a>01605 {
<a name="l01606"></a>01606 <span class="keywordflow">if</span> (!name) {
<a name="l01607"></a>01607 <span class="keyword">static</span> <span class="keywordtype">int</span> nameCounter = 0;
<a name="l01608"></a>01608
<a name="l01609"></a>01609 nameCounter++;
<a name="l01610"></a>01610 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#setName">setName</a>(<a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>(<span class="stringliteral">"KDirWatch-%1"</span>).arg(nameCounter).ascii());
<a name="l01611"></a>01611 }
<a name="l01612"></a>01612
<a name="l01613"></a>01613 <span class="keywordflow">if</span> (!dwp_self)
<a name="l01614"></a>01614 dwp_self = <span class="keyword">new</span> KDirWatchPrivate;
<a name="l01615"></a>01615 d = dwp_self;
<a name="l01616"></a>01616 d->ref();
<a name="l01617"></a>01617
<a name="l01618"></a>01618 _isStopped = <span class="keyword">false</span>;
<a name="l01619"></a>01619 }
<a name="l01620"></a>01620
<a name="l01621"></a><a class="code" href="classKDirWatch.html#99a1c9ee75410346b8b2593684ce9750">01621</a> <a class="code" href="classKDirWatch.html#99a1c9ee75410346b8b2593684ce9750">KDirWatch::~KDirWatch</a>()
<a name="l01622"></a>01622 {
<a name="l01623"></a>01623 d->removeEntries(<span class="keyword">this</span>);
<a name="l01624"></a>01624 <span class="keywordflow">if</span> ( d->deref() )
<a name="l01625"></a>01625 {
<a name="l01626"></a>01626 <span class="comment">// delete it if it's the last one</span>
<a name="l01627"></a>01627 <span class="keyword">delete</span> d;
<a name="l01628"></a>01628 dwp_self = 0L;
<a name="l01629"></a>01629 }
<a name="l01630"></a>01630 }
<a name="l01631"></a>01631
<a name="l01632"></a>01632
<a name="l01633"></a>01633 <span class="comment">// TODO: add watchFiles/recursive support</span>
<a name="l01634"></a><a class="code" href="classKDirWatch.html#4e4e36f3752adb0398d9559f5dde47e7">01634</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#4e4e36f3752adb0398d9559f5dde47e7">KDirWatch::addDir</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& _path,
<a name="l01635"></a>01635 <span class="keywordtype">bool</span> watchFiles, <span class="keywordtype">bool</span> recursive)
<a name="l01636"></a>01636 {
<a name="l01637"></a>01637 <span class="keywordflow">if</span> (watchFiles || recursive) {
<a name="l01638"></a>01638 kdDebug(7001) << <span class="stringliteral">"addDir - recursive/watchFiles not supported yet in KDE 3.x"</span> << endl;
<a name="l01639"></a>01639 }
<a name="l01640"></a>01640 <span class="keywordflow">if</span> (d) d->addEntry(<span class="keyword">this</span>, _path, 0, <span class="keyword">true</span>);
<a name="l01641"></a>01641 }
<a name="l01642"></a>01642
<a name="l01643"></a><a class="code" href="classKDirWatch.html#0a0c54da2139a0bf563ad4216e005ff6">01643</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#0a0c54da2139a0bf563ad4216e005ff6">KDirWatch::addFile</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& _path )
<a name="l01644"></a>01644 {
<a name="l01645"></a>01645 <span class="keywordflow">if</span> (d) d->addEntry(<span class="keyword">this</span>, _path, 0, <span class="keyword">false</span>);
<a name="l01646"></a>01646 }
<a name="l01647"></a>01647
<a name="l01648"></a><a class="code" href="classKDirWatch.html#589e2a328dacfb7b5754558350e5017a">01648</a> <a class="codeRef" doxygen="qt.tag:" href="qdatetime.html">QDateTime</a> <a class="code" href="classKDirWatch.html#589e2a328dacfb7b5754558350e5017a">KDirWatch::ctime</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> &_path )
<a name="l01649"></a>01649 {
<a name="l01650"></a>01650 KDirWatchPrivate::Entry* e = d->entry(_path);
<a name="l01651"></a>01651
<a name="l01652"></a>01652 <span class="keywordflow">if</span> (!e)
<a name="l01653"></a>01653 <span class="keywordflow">return</span> <a class="codeRef" doxygen="qt.tag:" href="qdatetime.html">QDateTime</a>();
<a name="l01654"></a>01654
<a name="l01655"></a>01655 <a class="codeRef" doxygen="qt.tag:" href="qdatetime.html">QDateTime</a> result;
<a name="l01656"></a>01656 result.<a class="codeRef" doxygen="qt.tag:" href="qdatetime.html#setTime_t">setTime_t</a>(e->m_ctime);
<a name="l01657"></a>01657 <span class="keywordflow">return</span> result;
<a name="l01658"></a>01658 }
<a name="l01659"></a>01659
<a name="l01660"></a><a class="code" href="classKDirWatch.html#601a6452633708e2527e950417c20298">01660</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#601a6452633708e2527e950417c20298">KDirWatch::removeDir</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& _path )
<a name="l01661"></a>01661 {
<a name="l01662"></a>01662 <span class="keywordflow">if</span> (d) d->removeEntry(<span class="keyword">this</span>, _path, 0);
<a name="l01663"></a>01663 }
<a name="l01664"></a>01664
<a name="l01665"></a><a class="code" href="classKDirWatch.html#4093ed4d2faea496dadc952bf3a346b6">01665</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#4093ed4d2faea496dadc952bf3a346b6">KDirWatch::removeFile</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& _path )
<a name="l01666"></a>01666 {
<a name="l01667"></a>01667 <span class="keywordflow">if</span> (d) d->removeEntry(<span class="keyword">this</span>, _path, 0);
<a name="l01668"></a>01668 }
<a name="l01669"></a>01669
<a name="l01670"></a><a class="code" href="classKDirWatch.html#4f3b2fba0615bd4fb4b8f4eb35680433">01670</a> <span class="keywordtype">bool</span> <a class="code" href="classKDirWatch.html#4f3b2fba0615bd4fb4b8f4eb35680433">KDirWatch::stopDirScan</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& _path )
<a name="l01671"></a>01671 {
<a name="l01672"></a>01672 <span class="keywordflow">if</span> (d) {
<a name="l01673"></a>01673 KDirWatchPrivate::Entry *e = d->entry(_path);
<a name="l01674"></a>01674 <span class="keywordflow">if</span> (e && e->isDir) <span class="keywordflow">return</span> d->stopEntryScan(<span class="keyword">this</span>, e);
<a name="l01675"></a>01675 }
<a name="l01676"></a>01676 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01677"></a>01677 }
<a name="l01678"></a>01678
<a name="l01679"></a><a class="code" href="classKDirWatch.html#ef498d8aa538183540f5251be707118f">01679</a> <span class="keywordtype">bool</span> <a class="code" href="classKDirWatch.html#ef498d8aa538183540f5251be707118f">KDirWatch::restartDirScan</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& _path )
<a name="l01680"></a>01680 {
<a name="l01681"></a>01681 <span class="keywordflow">if</span> (d) {
<a name="l01682"></a>01682 KDirWatchPrivate::Entry *e = d->entry(_path);
<a name="l01683"></a>01683 <span class="keywordflow">if</span> (e && e->isDir)
<a name="l01684"></a>01684 <span class="comment">// restart without notifying pending events</span>
<a name="l01685"></a>01685 <span class="keywordflow">return</span> d->restartEntryScan(<span class="keyword">this</span>, e, <span class="keyword">false</span>);
<a name="l01686"></a>01686 }
<a name="l01687"></a>01687 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01688"></a>01688 }
<a name="l01689"></a>01689
<a name="l01690"></a><a class="code" href="classKDirWatch.html#0eee71d6029b224692a73031cbe720ba">01690</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#0eee71d6029b224692a73031cbe720ba">KDirWatch::stopScan</a>()
<a name="l01691"></a>01691 {
<a name="l01692"></a>01692 <span class="keywordflow">if</span> (d) d->stopScan(<span class="keyword">this</span>);
<a name="l01693"></a>01693 _isStopped = <span class="keyword">true</span>;
<a name="l01694"></a>01694 }
<a name="l01695"></a>01695
<a name="l01696"></a><a class="code" href="classKDirWatch.html#7c18b6a35b96200210d9dece988e6d90">01696</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#7c18b6a35b96200210d9dece988e6d90">KDirWatch::startScan</a>( <span class="keywordtype">bool</span> notify, <span class="keywordtype">bool</span> skippedToo )
<a name="l01697"></a>01697 {
<a name="l01698"></a>01698 _isStopped = <span class="keyword">false</span>;
<a name="l01699"></a>01699 <span class="keywordflow">if</span> (d) d->startScan(<span class="keyword">this</span>, notify, skippedToo);
<a name="l01700"></a>01700 }
<a name="l01701"></a>01701
<a name="l01702"></a>01702
<a name="l01703"></a><a class="code" href="classKDirWatch.html#04760373cb32d2575ec00e53a5361db4">01703</a> <span class="keywordtype">bool</span> <a class="code" href="classKDirWatch.html#04760373cb32d2575ec00e53a5361db4">KDirWatch::contains</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>& _path )<span class="keyword"> const</span>
<a name="l01704"></a>01704 <span class="keyword"></span>{
<a name="l01705"></a>01705 KDirWatchPrivate::Entry* e = d->entry(_path);
<a name="l01706"></a>01706 <span class="keywordflow">if</span> (!e)
<a name="l01707"></a>01707 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01708"></a>01708
<a name="l01709"></a>01709 KDirWatchPrivate::Client* c = e->m_clients.first();
<a name="l01710"></a>01710 <span class="keywordflow">for</span>(;c;c=e->m_clients.next())
<a name="l01711"></a>01711 <span class="keywordflow">if</span> (c->instance == <span class="keyword">this</span>) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01712"></a>01712
<a name="l01713"></a>01713 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01714"></a>01714 }
<a name="l01715"></a>01715
<a name="l01716"></a><a class="code" href="classKDirWatch.html#540fc83c8c0e8f2508f09d83fda8ca09">01716</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#540fc83c8c0e8f2508f09d83fda8ca09">KDirWatch::statistics</a>()
<a name="l01717"></a>01717 {
<a name="l01718"></a>01718 <span class="keywordflow">if</span> (!dwp_self) {
<a name="l01719"></a>01719 kdDebug(7001) << <span class="stringliteral">"KDirWatch not used"</span> << endl;
<a name="l01720"></a>01720 <span class="keywordflow">return</span>;
<a name="l01721"></a>01721 }
<a name="l01722"></a>01722 dwp_self->statistics();
<a name="l01723"></a>01723 }
<a name="l01724"></a>01724
<a name="l01725"></a>01725
<a name="l01726"></a><a class="code" href="classKDirWatch.html#0ecc3e6ee57a20b4e20d2b25fa73c440">01726</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#0ecc3e6ee57a20b4e20d2b25fa73c440">KDirWatch::setCreated</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> & _file )
<a name="l01727"></a>01727 {
<a name="l01728"></a>01728 kdDebug(7001) << <a class="codeRef" doxygen="qt.tag:" href="qobject.html#name">name</a>() << <span class="stringliteral">" emitting created "</span> << _file << endl;
<a name="l01729"></a>01729 emit <a class="code" href="classKDirWatch.html#d0762720d60895300f0e5204e2757268">created</a>( _file );
<a name="l01730"></a>01730 }
<a name="l01731"></a>01731
<a name="l01732"></a><a class="code" href="classKDirWatch.html#bd22d2d90d28a1fb465b1f7dc32797dd">01732</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#bd22d2d90d28a1fb465b1f7dc32797dd">KDirWatch::setDirty</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> & _file )
<a name="l01733"></a>01733 {
<a name="l01734"></a>01734 kdDebug(7001) << <a class="codeRef" doxygen="qt.tag:" href="qobject.html#name">name</a>() << <span class="stringliteral">" emitting dirty "</span> << _file << endl;
<a name="l01735"></a>01735 emit <a class="code" href="classKDirWatch.html#b8cd416cda40770a0496b7fe2abff524">dirty</a>( _file );
<a name="l01736"></a>01736 }
<a name="l01737"></a>01737
<a name="l01738"></a><a class="code" href="classKDirWatch.html#049a456a049f1dc62fc4a2e0ebb29b9c">01738</a> <span class="keywordtype">void</span> <a class="code" href="classKDirWatch.html#049a456a049f1dc62fc4a2e0ebb29b9c">KDirWatch::setDeleted</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> & _file )
<a name="l01739"></a>01739 {
<a name="l01740"></a>01740 kdDebug(7001) << <a class="codeRef" doxygen="qt.tag:" href="qobject.html#name">name</a>() << <span class="stringliteral">" emitting deleted "</span> << _file << endl;
<a name="l01741"></a>01741 emit <a class="code" href="classKDirWatch.html#6c534a2ffeb7aac60cfd85918b2f69eb">deleted</a>( _file );
<a name="l01742"></a>01742 }
<a name="l01743"></a>01743
<a name="l01744"></a><a class="code" href="classKDirWatch.html#683d82356f3f771e4558d72ae4052c4d">01744</a> <a class="code" href="classKDirWatch.html#4f0ed290dfccf65035b7a81078cfd559">KDirWatch::Method</a> <a class="code" href="classKDirWatch.html#683d82356f3f771e4558d72ae4052c4d">KDirWatch::internalMethod</a>()
<a name="l01745"></a>01745 {
<a name="l01746"></a>01746 <span class="preprocessor">#ifdef HAVE_FAM</span>
<a name="l01747"></a>01747 <span class="preprocessor"></span> <span class="keywordflow">if</span> (d->use_fam)
<a name="l01748"></a>01748 <span class="keywordflow">return</span> KDirWatch::FAM;
<a name="l01749"></a>01749 <span class="preprocessor">#endif</span>
<a name="l01750"></a>01750 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_INOTIFY</span>
<a name="l01751"></a>01751 <span class="preprocessor"></span> <span class="keywordflow">if</span> (d->supports_inotify)
<a name="l01752"></a>01752 <span class="keywordflow">return</span> KDirWatch::INotify;
<a name="l01753"></a>01753 <span class="preprocessor">#endif</span>
<a name="l01754"></a>01754 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_DNOTIFY</span>
<a name="l01755"></a>01755 <span class="preprocessor"></span> <span class="keywordflow">if</span> (d->supports_dnotify)
<a name="l01756"></a>01756 <span class="keywordflow">return</span> KDirWatch::DNotify;
<a name="l01757"></a>01757 <span class="preprocessor">#endif</span>
<a name="l01758"></a>01758 <span class="preprocessor"></span> <span class="keywordflow">return</span> KDirWatch::Stat;
<a name="l01759"></a>01759 }
<a name="l01760"></a>01760
<a name="l01761"></a>01761
<a name="l01762"></a>01762 <span class="preprocessor">#include "kdirwatch.moc"</span>
<a name="l01763"></a>01763 <span class="preprocessor">#include "kdirwatch_p.moc"</span>
<a name="l01764"></a>01764
<a name="l01765"></a>01765 <span class="comment">//sven</span>
<a name="l01766"></a>01766
<a name="l01767"></a>01767 <span class="comment">// vim: sw=2 ts=8 et</span>
</pre></div> </div></div>
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