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This commit is contained in:
Michiel Broek
2001-12-29 15:17:18 +00:00
parent 2f53919c93
commit 86a46d24fd
10 changed files with 206 additions and 174 deletions
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@@ -11,7 +11,7 @@
</HEAD>
<BODY>
<BLOCKQUOTE>
<h5>Last update 12-Nov-2001</h5>
<h5>Last update 29-Dec-2001</h5>
<P>&nbsp;<P>
<H1>mbtask - MBSE BBS Taskmanager</H1>
@@ -28,18 +28,18 @@
This deamon keeps track of all client actions,
does the logging for the clients, does database locking, authorizes clients,
set/resets users "do not disturb flags", sends and receives chat messages,
keeps track of Zone Mail Hour and the BBS open/close status. Communication
between <strong>mbsed</strong> and the client programs is done via Unix
keeps track of Zone Mail Hour, the status of the mail and files in the outbound,
and the BBS open/close status.
Communication between <strong>mbsed</strong> and the client programs is done via Unix
Datagram sockets. The protocol used to communicate between <strong>mbtask</strong>
and the clients is explained later.
This daemon also watches the semafore directory for some special files.
It also starts programs when they are needed.
The very first time <b>mbtask</b> is started it creates a default config.data and task.data,
the main configuration and task configuration files
the main configuration and task configuration files.
Then it calls <b>mbsetup init</b> to build the default databases.
<b>mbtask</b> should be started at system boot so the bbs system will start working.
The init script that is installed on your system will do that.
This program is introduced with MBSE BBS v0.33.16
and replaces the run_inout and mailer scripts that were called by cron every minute.
<P>
After startup and initalization <b>mbtask</b> runs internally once per second forever.
If there is nothing to do then this time will slowly increase upto 5 seconds. This time will be reset
@@ -60,12 +60,19 @@ But before any program is started a number of things are checked:
will shutdown and power off, that's why it's fatal and there is no way back.<br>
<LI>The status of the bbs will be checked, is it open or closed. If it is closed, no
jobs will be started.
<LI>The Zone Mail Hour is checked. If ZMH begins the semafore's <b>zmh</b> is created and
a outbound scan is forced.
If ZMH ends the semafore <b>zmh</b> is removed a new outbound scan is forced.
<LI>The Zone Mail Hour is checked. If ZMH begins the semafore's <b>zmh</b> is
created.
If ZMH ends the semafore <b>zmh</b> is removed.
<LI>Each twenty seconds a ping is send to the IP addresses defined with <b>mbsetup</b> to
check if the internet can be reached. If both ping addresses fail, it is assumed that
the internet can't be reached. <i>Note: this is for future use!</i>
the internet can't be reached. After a status change, the outbound will be
scanned.
<LI>Scan the mailer outbound for work. This builds a list of nodes with mail
in the outbound and sets the necessary flags on nodes who may be called.
It will also set a time when something will change for a node, ie. a zone
mail hour is reached, or a mail window for a node with Txx flags is
reached. Internally this scheduler runs at the UTC clock because Fidonet
has all times defined in UTC.
</OL>
Each new minute the timestamp of semafore <b>mbtask.last</b> is updated so that you can check that
<b>mbtask</b> is running. Also each minute is checked if the system configuration files are
@@ -119,7 +126,7 @@ of the bbs structure.
<H3>Security.</H3>
<P>
<strong>mbtask</strong is installed setuid root. This is needed to initialize
<strong>mbtask</strong> is installed setuid root. This is needed to initialize
a raw socket for the ping function. After that is done the privilege drops to
user <strong>mbse</strong> before the child process is created and the rest
of the initialisation is done.
@@ -240,7 +247,7 @@ Reply: 100:1,n; n: 0=Ok, 1=Do not disturb, 2=Buffer full
-CKCH:2,channel,user; Kill user chatmode (for Sysops and moderators).
Group G, Global commands.
Group G, Global commands.
Command: GNOP:0; No OPerations.
Reply: 100:0; Ok.
@@ -313,8 +320,8 @@ are retrieved from /etc/mtab which is the actual mountstatus. This is used
by the <b>mbmon</b> program to get a "live" view of your filesystems.
<P>&nbsp;<P>
<A HREF="index.htm"><IMG SRC="../images/larrow.gif" ALT="Index" Border="0" width="40" height="30"> Back to index</A>&nbsp;
<A HREF="../index.htm"><IMG SRC="../images/b_arrow.gif" ALT="Main" Border="0" width="33" height="35"> Back to Main index</A>
<A HREF="index.htm"><IMG SRC="../images/larrow.gif" ALT="Index" Border="0">Back to index</A>&nbsp;
<A HREF="../index.htm"><IMG SRC="../images/b_arrow.gif" ALT="Main" Border="0">Back to Main index</A>
</BLOCKQUOTE>
</BODY>
</HTML>