2 # core.pl: Important functions stuff...
4 # Version: v0.4 (20000718)
10 # dynamic scalar. MUST BE REDUCED IN SIZE!!!
13 $answer $correction_plausible $talkchannel
14 $statcount $memusage $user $memusageOld $bot_version $dbh
15 $shm $host $msg $bot_misc_dir $bot_pid $bot_base_dir $noreply
16 $bot_src_dir $conn $irc $learnok $nick $ident $no_syscall
17 $force_public_reply $addrchar $userHandle $addressedother
18 $floodwho $chan $msgtime $server $firsttime $wingaterun
20 $utime_userfile $wtime_userfile $ucount_userfile
21 $utime_chanfile $wtime_chanfile $ucount_chanfile
25 use vars qw(@joinchan @ircServers @wingateBad @wingateNow @wingateCache
28 ### dynamic hash. MUST BE REDUCED IN SIZE!!!
30 use vars qw(%count %netsplit %netsplitservers %flood %dcc %orig
31 %nuh %talkWho %seen %floodwarn %param %dbh %ircPort
32 %topic %moduleAge %last %time %mask %file
33 %forked %chanconf %channels
37 $SIG{'HUP'} = 'restart'; # 1.
38 $SIG{'INT'} = 'doExit'; # 2.
39 $SIG{'KILL'} = 'doExit'; # 9. DOES NOT WORK. 'man perlipc' for details.
40 $SIG{'TERM'} = 'doExit'; # 15.
41 $SIG{'__WARN__'} = 'doWarn';
43 # initialize variables.
47 $userHandle = "default";
59 $bot_version = "blootbot cvs (20001212) -- $^O";
69 if (defined $flag_quit) {
70 &WARN("doExit: quit already called.");
75 if (!defined $bot_pid) { # independent.
77 } elsif ($bot_pid == $$) { # parent.
78 &status("parent caught SIG$sig (pid $$).") if (defined $sig);
80 &status("--- Start of quit.");
85 &quit($param{'quitMsg'}) if (&whatInterface() =~ /IRC/);
88 &uptimeWriteFile() if (&ChanConfList("uptime"));
91 &dumpallvars() if (&IsParam("dumpvarsAtExit"));
93 &closeSQLDebug() if (&IsParam("SQLDebug"));
97 &status("child caught SIG$sig (pid $$).");
104 $SIG{__WARN__} = sub { warn $_[0]; };
110 $SIG{__WARN__} = 'doWarn'; # ???
113 # Usage: &IsParam($param);
114 # blootbot.config specific.
118 return 0 unless (defined $param);
119 return 0 unless (exists $param{$param});
120 return 0 unless ($param{$param});
121 return 0 if $param{$param} =~ /^false$/i;
126 # Usage: &ChanConfList($param)
127 # About: gets channels with 'param' enabled. (!!!)
128 # Return: array of channels
131 return unless (defined $param);
132 my %chan = &getChanConfList($param);
134 # what if we have it set on _default and a few channels with
135 # negative set? perhaps we should disable -blah settings to remove
138 if (exists $chan{_default}) {
139 return keys %chanconf;
141 ### TODO: -option is included aswell though.
147 # Usage: &getChanConfList($param)
148 # About: gets channels with 'param' enabled, internal use only.
149 # Return: hash of channels
150 sub getChanConfList {
154 return unless (defined $param);
156 foreach (keys %chanconf) {
158 # &DEBUG("chan => $chan");
159 my @array = grep /^$param$/, keys %{ $chanconf{$chan} };
161 next unless (scalar @array);
163 if (scalar @array > 1) {
164 &WARN("multiple items found?");
167 if ($array[0] eq "0") {
178 # Usage: &IsChanConf($param);
179 # About: Check for 'param' on the basis of channel config.
180 # Return: 1 for enabled, 0 for passive disable, -1 for active disable.
184 if (!defined $param) {
185 &WARN("param == NULL.");
189 ### TODO: VERBOSITY on how chanconf returned 1 or 0 or -1.
190 my %chan = &getChanConfList($param);
191 if (!defined $msgType) {
192 return $chan{_default} || 0;
195 if ($msgType eq "public") {
196 return $chan{lc $chan} || $chan{_default} || 0;
199 if ($msgType eq "private") {
200 return $chan{_default} || 0;
203 ### debug purposes only.
204 # &DEBUG("param => $param, msgType => $msgType.");
205 # foreach (keys %chan) {
206 # &DEBUG(" $_ => $chan{$_}");
213 # Usage: &getChanConf($param);
214 # About: Retrieve value for 'param' value in current/default chan.
215 # Return: scalar for success, undef for failure.
217 my($param,$chan) = @_;
219 if (!defined $param) {
220 &WARN("param == NULL.");
224 $chan ||= "_default";
225 my @c = grep /^$chan$/i, keys %chanconf;
227 if (@c and $c[0] ne $chan) {
228 &WARN("c ne chan ($c[0] ne $chan)");
231 return $chanconf{$c[0] || "_default"}{$param};
235 my ($prefix) = $_[0] || "";
237 if (!open(IN, "/proc/$$/status")) {
238 &ERROR("cannot open '/proc/$$/status'.");
242 if ($^O eq "linux") {
244 $memusage = $1 if (/^VmSize:\s+(\d+) kB/);
248 if (defined $memusageOld and &IsParam("DEBUG")) {
249 # it's always going to be increase.
250 my $delta = $memusage - $memusageOld;
254 } elsif ($delta > 500) {
255 $str = "MEM:$prefix increased by $delta kB. (total: $memusage kB)";
256 } elsif ($delta > 0) {
257 $str = "MEM:$prefix increased by $delta kB";
258 } else { # delta < 0.
260 # never knew RSS could decrease, probably Size can't?
261 $str = "MEM:$prefix decreased by $delta kB. YES YES YES";
266 $memusageOld = $memusage;
268 $memusage = "UNKNOWN";
270 ### TODO: FreeBSD/*BSD support.
278 &showProc(" (\&openLog before)");
279 &openLog(); # write, append.
280 &status("--- Started logging.");
283 my $dir = "$bot_base_dir/$_/";
285 &status("Making dir $_");
290 &loadLang($bot_misc_dir. "/blootbot.lang");
294 &loadMyModulesNow(); # must be after chan file.
297 &openSQLDebug() if (&IsParam("SQLDebug"));
298 &openDB($param{'DBName'}, $param{'SQLUser'}, $param{'SQLPass'});
300 &status("Setup: ". &countKeys("factoids") ." factoids.");
302 $param{tempDir} =~ s#\~/#$ENV{HOME}/#;
304 &status("Initial memory usage: $memusage kB");
308 $param{'VERBOSITY'} = 1;
309 &loadConfig($bot_misc_dir."/blootbot.config");
311 foreach ("ircNick", "ircUser", "ircName", "DBType", "tempDir") {
312 next if &IsParam($_);
313 &ERROR("Parameter $_ has not been defined.");
317 if ($param{tempDir} =~ s#\~/#$ENV{HOME}/#) {
318 &VERB("Fixing up tempDir.",2);
321 if ($param{tempDir} =~ /~/) {
322 &ERROR("parameter tempDir still contains tilde.");
326 if (! -d $param{tempDir}) {
327 &status("making $param{tempDir}...");
328 system("mkdir $param{tempDir}");
331 # static scalar variables.
332 $file{utm} = "$bot_base_dir/$param{'ircUser'}.uptime";
333 $file{PID} = "$bot_base_dir/$param{'ircUser'}.pid";
337 if (&IsParam("DEBUG")) {
338 &status("enabling debug diagnostics.");
339 ### I thought disabling this reduced memory usage by 1000 kB.
343 $count{'Question'} = 0;
344 $count{'Update'} = 0;
350 # reverse order of &setup().
351 &DEBUG("shutdown called.");
354 &closeSHM($shm); # aswell. TODO: use this in &doExit?
361 if ($$ == $bot_pid) {
362 &status("--- $sig called.");
364 ### crappy bug in Net::IRC?
365 if (!$conn->connected and time - $msgtime > 900) {
366 &status("reconnecting because of uncaught disconnect.");
372 &DCCBroadcast("-HUP called.","m");
374 &loadConfig($bot_misc_dir."/blootbot.config");
375 &reloadAllModules() if (&IsParam("DEBUG"));
378 &status("--- End of $sig.");
380 &status("$sig called; ignoring restart.");
384 # File: Configuration.
388 if (!open(FILE, $file)) {
389 &ERROR("FAILED loadConfig ($file): $!");
390 &status("Please copy files/sample.config to files/blootbot.config");
391 &status(" and edit files/blootbot.config, modify to tastes.");
400 my ($set,$key,$val) = split(/\s+/, $_, 3);
403 &status("loadConfig: invalid line '$_'.");
407 # perform variable interpolation
408 $val =~ s/(\$(\w+))/$param{$2}/g;
417 &status("Loaded config $file ($count items)");