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Rewrite of shutdown handling; implemented cPlugin::WakeupTime(); SIGHUP forces reload; cThread::EmergencyExit() replaced by ShutdownHandler.RequestEmergencyExit()

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Klaus Schmidinger
2007-02-25 10:56:29 +01:00
parent 50b14be807
commit ddb7f33567
23 changed files with 770 additions and 189 deletions
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49
PLUGINS.html
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@@ -6,7 +6,7 @@
<center><h1>The VDR Plugin System</h1></center>
<center><b>Version 1.5.0</b></center>
<center><b>Version 1.5.1</b></center>
<p>
<center>
Copyright &copy; 2006 Klaus Schmidinger<br>
@@ -14,9 +14,12 @@ Copyright &copy; 2006 Klaus Schmidinger<br>
<a href="http://www.cadsoft.de/vdr">www.cadsoft.de/vdr</a>
</center>
<p>
<!--X1.5.0--><table width=100%><tr><td bgcolor=#FF0000>&nbsp;</td><td width=100%>
<!--X1.5.0--><table width=100%><tr><td bgcolor=#AA0000>&nbsp;</td><td width=100%>
Important modifications introduced in version 1.5.0 are marked like this.
<!--X1.5.0--></td></tr></table>
<!--X1.5.1--><table width=100%><tr><td bgcolor=#FF0000>&nbsp;</td><td width=100%>
Important modifications introduced in version 1.5.1 are marked like this.
<!--X1.5.1--></td></tr></table>
<p>
VDR provides an easy to use plugin interface that allows additional functionality
to be added to the program by implementing a dynamically loadable library file.
@@ -55,6 +58,9 @@ structures and allows it to hook itself into specific areas to perform special a
<li><a href="#Housekeeping">Housekeeping</a>
<li><a href="#Main thread hook">Main thread hook</a>
<li><a href="#Activity">Activity</a>
<!--X1.5.1--><table width=100%><tr><td bgcolor=#FF0000>&nbsp;</td><td width=100%>
<li><a href="#Wakeup">Wakeup</a>
<!--X1.5.1--></td></tr></table>
<li><a href="#Setup parameters">Setup parameters</a>
<li><a href="#The Setup menu">The Setup menu</a>
<li><a href="#Configuration files">Configuration files</a>
@@ -76,7 +82,7 @@ structures and allows it to hook itself into specific areas to perform special a
<li><a href="#Devices">Devices</a>
<li><a href="#Audio">Audio</a>
<li><a href="#Remote Control">Remote Control</a>
<!--X1.5.0--><table width=100%><tr><td bgcolor=#FF0000>&nbsp;</td><td width=100%>
<!--X1.5.0--><table width=100%><tr><td bgcolor=#AA0000>&nbsp;</td><td width=100%>
<li><a href="#Conditional Access">Conditional Access</a>
<!--X1.5.0--></td></tr></table>
</ul>
@@ -675,6 +681,41 @@ be queried, and further prompts may show up. If all prompts have been confirmed,
the shutdown will take place. As soon as one prompt is not confirmed, no
further plugins will be queried and no shutdown will be done.
<!--X1.5.1--><table width=100%><tr><td bgcolor=#FF0000>&nbsp;</td><td width=100%>
<a name="Wakeup"><hr><h2>Wakeup</h2>
<center><i><b>Wake me up before you go-go</b></i></center><p>
If a plugin wants to schedule activity for a later time, or wants to perform
periodic activity at a certain time at night, and if VDR shall wake up from
shutdown at that time, the plugin can implement the function
<p><table><tr><td bgcolor=#F0F0F0><pre>
virtual time_t WakeupTime(void);
</pre></td></tr></table><p>
which shall return the time of the next custom wakeup time, or 0 if no wakeup
is planned. VDR will pass the most recent wakeup time of all plugins, or the next
timer time, whichever comes first, to the shutdown script. The following sample
will wake up VDR every night at 1:00:
<p><table><tr><td bgcolor=#F0F0F0><pre>
time_t MyPlugin::WakeupTime(void)
{
time_t Now = time(NULL);
time_t Time = cTimer::SetTime(Now, cTimer::TimeToInt(100));
if (Time &lt;= Now)
Time = cTimer::IncDay(Time, 1);
return Time;
}
</pre></td></tr></table><p>
After wakeup, the plugin shall continue to return the wakeup time and shall
return a string when <tt>Active()</tt> is called at that time, otherwise VDR may shut down
again instantly. If <tt>WakeupTime()</tt> returns a time that is not in
the future, the time will be ignored.
<!--X1.5.1--></td></tr></table>
<a name="Setup parameters"><hr><h2>Setup parameters</h2>
<center><i><b>Remember me...</b></i></center><p>
@@ -2046,7 +2087,7 @@ Put(uint64 Code, bool Repeat = false, bool Release = false);
The other parameters have the same meaning as in the first version of this function.
<!--X1.5.0--><table width=100%><tr><td bgcolor=#FF0000>&nbsp;</td><td width=100%>
<!--X1.5.0--><table width=100%><tr><td bgcolor=#AA0000>&nbsp;</td><td width=100%>
<a name="Conditional Access"><hr><h2>Conditional Access</h2>
<center><i><b>Members only!</b></i></center><p>