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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.244 by root, Mon Apr 16 13:28:00 2007 UTC vs.
Revision 1.349 by root, Fri Aug 31 04:10:43 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.61 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		63
59	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
…		…
73	our $RUNTIME;	90	our $RUNTIME;
74		91
75	our %PLAYER; # all users	92	our %PLAYER; # all users
76	our %MAP; # all maps	93	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		95
81	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
84	binmode STDOUT;	103	binmode STDOUT;
85	binmode STDERR;	104	binmode STDERR;
86		105
87	# read virtual server time, if available	106	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
92	}	111	}
93		112
94	mkdir cf::localdir;	113	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		115
101	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
102		117
103	sub cf::map::normalise;	118	sub cf::map::normalise;
104		119
…		…
115	=item $cf::RUNTIME	130	=item $cf::RUNTIME
116		131
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	133	every server tick.
119		134
120	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		138
122	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
124		143
125	=item $cf::NOW	144	=item $cf::NOW
126		145
127	The time of the last (current) server tick.	146	The time of the last (current) server tick.
128		147
129	=item $cf::TICK	148	=item $cf::TICK
130		149
131	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
132		161
133	=item %cf::CFG	162	=item %cf::CFG
134		163
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	165	from wherever your confdir points to.
…		…
139		168
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
144	=back	179	=back
145		180
146	=cut	181	=cut
147		182
148	BEGIN {	183	BEGIN {
149	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	185	my $msg = join "", @_;
151	utf8::encode $msg;
152		186
153	$msg .= "\n"	187	$msg .= "\n"
154	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
155		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
156	LOG llevError, $msg;	193	LOG llevError, $msg;
157	};	194	};
158	}	195	}
159		196
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		204
167	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	206	# within the Safe compartment.
169	for my $pkg (qw(	207	for my $pkg (qw(
170	cf::global cf::attachable	208	cf::global cf::attachable
…		…
178	}	216	}
179		217
180	$Event::DIED = sub {	218	$Event::DIED = sub {
181	warn "error in event callback: @_";	219	warn "error in event callback: @_";
182	};	220	};
		221
		222	#############################################################################
183		223
184	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
185		225
186	=over 4	226	=over 4
187		227
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	247	$d
208	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
209	}	249	}
210		250
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
214		252
215	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
216		254
217	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
218		256
219	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
227	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
230	returned.	275	returned.
231		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
232	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
234		286
235	=cut	287	=cut
236		288
237	our %LOCK;	289	our %LOCK;
238		290
…		…
256		308
257	Coro::guard {	309	Coro::guard {
258	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
260	}	312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
261	}	319	}
262		320
263	sub freeze_mainloop {	321	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
265		323
…		…
268	};	326	};
269	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
270	$guard	328	$guard
271	}	329	}
272		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
273	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
274		388
275	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
280		394
281	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
282		396
283	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
284		398
285	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
288		403
289	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
292	fast or be very important.	407	fast or be very important.
…		…
295		410
296	sub sync_job(&) {	411	sub sync_job(&) {
297	my ($job) = @_;	412	my ($job) = @_;
298		413
299	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
300	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
302		419
303	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
315		432
316	while ($busy) {	433	while ($busy) {
317	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
318	}	435	}
319		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
320	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
321	} else {	445	} else {
322	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
323		447
324	$job->()	448	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
344		468
345	$coro	469	$coro
346	}	470	}
347		471
348	sub write_runtime {	472	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		473
351	my $runtime = cf::localdir . "/runtime";	474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
352		478
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
354	or return;
355		480
356	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		483
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
361	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
362		487
363	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	489	reset_signals;
365	and return;	490	&$cb
		491	}, @args;
366		492
367	close $fh	493	wantarray ? @res : $res[-1]
368	or return;	494	}
369		495
370	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
371	and return;
372		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
373	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
374	}	610	}
375		611
376	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
377		613
378	Log a datalog packet of the given type with the given key-value pairs.	614	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
398		634
399	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	637	Crossfire TRT).
402		638
403	=over 4	639	=over 4
404		640
405	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
406		642
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
570		806
571	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		811
576	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	813	my $pkg = shift @arg;
578		814
579	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
609	}	845	}
610		846
611	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
612	} else {	848	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	850	}
615		851
616	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
617	}	853	}
618		854
…		…
620	if (ref $_[0]) {	856	if (ref $_[0]) {
621	_object_attach @_;	857	_object_attach @_;
622	} else {	858	} else {
623	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
624	}	860	}
		861	_recalc_want;
625	};	862	};
626		863
627	# all those should be optimised	864	# all those should be optimised
628	sub cf::attachable::detach {	865	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
633	reattach ($obj);	870	reattach ($obj);
634	} else {	871	} else {
635	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
636	}	873	}
		874	_recalc_want;
637	};	875	};
638		876
639	sub cf::attachable::attached {	877	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
641		879
…		…
656	";	894	";
657	die if $@;	895	die if $@;
658	}	896	}
659		897
660	our $override;	898	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		900
663	sub override {	901	sub override {
664	$override = 1;	902	$override = 1;
665	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
666	}	904	}
667		905
668	sub do_invoke {	906	sub do_invoke {
669	my $event = shift;	907	my $event = shift;
670	my $callbacks = shift;	908	my $callbacks = shift;
671		909
672	@invoke_results = ();	910	@INVOKE_RESULTS = ();
673		911
674	local $override;	912	local $override;
675		913
676	for (@$callbacks) {	914	for (@$callbacks) {
677	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
694		932
695	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
696		934
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		938
701	=back	939	=back
702		940
703	=cut	941	=cut
704		942
705	#############################################################################	943	#############################################################################
706	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
707		956
708	sub reattach {	957	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	959	my ($obj) = @_;
711		960
…		…
814	or return;	1063	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1065	}
817		1066
818	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1069	return ($data, $av);
821	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
822		1077
823	#############################################################################	1078	#############################################################################
824	# command handling &c	1079	# command handling &c
825		1080
826	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1095	}
841		1096
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1098
844	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
845		1104
846	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
847	called.	1106	called.
848		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
849	=cut	1119	=cut
850		1120
851	sub register_extcmd {	1121	sub register_extcmd {
852	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
853		1123
854	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
855	}	1131	}
856		1132
857	cf::player->attach (	1133	cf::player->attach (
858	on_command => sub {	1134	on_command => sub {
859	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1144	cf::override;
869	},	1145	},
870	on_extcmd => sub {	1146	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
872		1148
873	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1150
875	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
881	} else {	1166	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1168	}
884		1169
885	cf::override;	1170	cf::override;
886	},	1171	},
887	);	1172	);
888		1173
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
924	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1179	next unless -r $path;
926	eval {	1180
927	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
928	1	1238	}
929	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
930	}	1244	};
931	}	1245	}
932		1246
933	#############################################################################	1247	#############################################################################
934		1248
		1249	=back
		1250
935	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
936		1252
937	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
938		1254
939	=cut	1255	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
952		1268
953	=cut	1269	=cut
954		1270
955	sub playerdir($) {	1271	sub playerdir($) {
956	cf::localdir	1272	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1274	}
962		1275
963	sub path($) {	1276	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1012		1325
1013	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1015		1328
1016	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1017	Coro::cede;	1330	cf::cede_to_tick;
1018	}	1331	}
1019		1332
1020	sub new($) {	1333	sub new($) {
1021	my ($login) = @_;	1334	my ($login) = @_;
1022		1335
…		…
1026	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1027		1340
1028	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1029		1342
1030	$self	1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
1031	}	1354	}
1032		1355
1033	=item $pl->quit_character	1356	=item $pl->quit_character
1034		1357
1035	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1085		1408
1086	=cut	1409	=cut
1087		1410
1088	sub list_logins {	1411	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1413	or return [];
1091		1414
1092	my @logins;	1415	my @logins;
1093		1416
1094	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1129	}	1452	}
1130		1453
1131	\@paths	1454	\@paths
1132	}	1455	}
1133		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1134	=item $player->ext_reply ($msgid, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1135		1508
1136	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1137		1510
1138	=cut	1511	=cut
1139		1512
1140	sub ext_reply($$%) {	1513	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1142		1515
1143	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1517	}
1147		1518
1148	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1149		1520
1150	Sends an ext event to the client.	1521	Sends an ext event to the client.
1151		1522
1152	=cut	1523	=cut
1153		1524
1154	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1156		1527
1157	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1158	}	1529	}
1159		1530
1160	=head3 cf::region	1531	=head3 cf::region
1161		1532
1162	=over 4	1533	=over 4
…		…
1165		1536
1166	package cf::region;	1537	package cf::region;
1167		1538
1168	=item cf::region::find_by_path $path	1539	=item cf::region::find_by_path $path
1169		1540
1170	Tries to decuce the probable region for a map knowing only its path.	1541	Tries to decuce the likely region for a map knowing only its path.
1171		1542
1172	=cut	1543	=cut
1173		1544
1174	sub find_by_path($) {	1545	sub find_by_path($) {
1175	my ($path) = @_;	1546	my ($path) = @_;
1176		1547
1177	my ($match, $specificity);	1548	my ($match, $specificity);
1178		1549
1179	for my $region (list) {	1550	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1551	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1552	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1553	if $region->specificity > $specificity;
1183	}	1554	}
1184	}	1555	}
1185		1556
…		…
1249	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1250		1621
1251	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1252	local $self->{path};	1623	local $self->{path};
1253	local $self->{load_path};	1624	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1625
1257	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1258	}	1627	}
1259		1628
1260	sub normalise {	1629	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1308	return $self;	1677	return $self;
1309	}	1678	}
1310	}	1679	}
1311		1680
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1682	()
1314	}	1683	}
1315		1684
1316	sub init {	1685	sub init {
1317	my ($self) = @_;	1686	my ($self) = @_;
…		…
1332		1701
1333	# the original (read-only) location	1702	# the original (read-only) location
1334	sub load_path {	1703	sub load_path {
1335	my ($self) = @_;	1704	my ($self) = @_;
1336		1705
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1338	}	1707	}
1339		1708
1340	# the temporary/swap location	1709	# the temporary/swap location
1341	sub save_path {	1710	sub save_path {
1342	my ($self) = @_;	1711	my ($self) = @_;
1343		1712
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1346	}	1715	}
1347		1716
1348	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1349	sub uniq_path {	1718	sub uniq_path {
1350	my ($self) = @_;	1719	my ($self) = @_;
1351		1720
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1354	}	1723	}
1355		1724
1356	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1357	# all maps in C++...	1726	# all maps in C++...
1358	sub change_all_map_light {	1727	sub change_all_map_light {
1359	my ($change) = @_;	1728	my ($change) = @_;
1360		1729
1361	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
1363	}	1740	}
1364		1741
1365	sub unlink_save {	1742	sub unlink_save {
1366	my ($self) = @_;	1743	my ($self) = @_;
1367		1744
…		…
1425	$self->load_header_orig	1802	$self->load_header_orig
1426	or return;	1803	or return;
1427	$self->prepare_orig;	1804	$self->prepare_orig;
1428	}	1805	}
1429		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
1430	$self->default_region (cf::region::find_by_path $self->{path})	1810	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1811	unless $self->default_region;
1432		1812
1433	1	1813	1
1434	}	1814	}
…		…
1449	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1450		1830
1451	$map->load_header	1831	$map->load_header
1452	or return;	1832	or return;
1453		1833
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1457	$map->reset;	1837	$map->reset;
1458	undef $guard;	1838	undef $guard;
1459	return find $path;	1839	return find $path;
…		…
1470	my ($self) = @_;	1850	my ($self) = @_;
1471		1851
1472	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1473		1853
1474	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1475	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1476		1859
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1861
1479	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1480		1863
1481	$self->alloc;	1864	$self->alloc;
1482		1865
1483	$self->pre_load;	1866	$self->pre_load;
1484	Coro::cede;	1867	cf::cede_to_tick;
1485		1868
1486	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1487	or return;	1870	or return;
1488		1871
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	1873	if delete $self->{load_original};
1491		1874
1492	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	1876	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1495	$self->clear_unique_items;	1878	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1497	}	1880	}
1498	}	1881	}
1499		1882
1500	Coro::cede;	1883	cf::cede_to_tick;
1501	# now do the right thing for maps	1884	# now do the right thing for maps
1502	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1887	unless $self->difficulty;
1513	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1514	$self->activate;	1897	$self->activate;
1515	Coro::cede;	1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
		1903	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1904	}
1517		1905
1518	$self->post_load;	1906	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1907	}
1523		1908
1524	sub customise_for {	1909	sub customise_for {
1525	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1526		1911
1527	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1913	if $self->per_player;
1529		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1530	$self	1918	$self
1531	}	1919	}
1532		1920
1533	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	1922	sub load_neighbours {
1535	my ($map) = @_;	1923	my ($map) = @_;
1536		1924
1537	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1538		1926
1539	for (0 .. 3) {	1927	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1541	or next;	1929	or next;
1542	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1543	or next;	1931	or next;
1544	$neigh->load;	1932	$neigh->load;
1545		1933
		1934	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	1937	}
1549		1938
1550	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1552	or next;	1942	or next;
1553	$neigh->load;	1943	$neigh->load;
1554	}	1944	}
1555	}	1945	}
1556		1946
…		…
1561	}	1951	}
1562		1952
1563	sub do_load_sync {	1953	sub do_load_sync {
1564	my ($map) = @_;	1954	my ($map) = @_;
1565		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1566	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1567	}	1960	}
1568		1961
1569	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1571		1964
1572	sub find_async {	1965	sub find_async {
1573	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1574		1967
1575	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1576		1969
1577	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	1972	}
1580		1973
1581	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1582	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1583	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	1979	if (my $map = find $k) {
1586	or next;
1587	$map->load;	1980	$map->load if $v;
		1981	}
1588		1982
1589	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1590	}	1984	}
1591	}	1985	}
1592	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1593	};	1987	};
1594	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1597	}	1991	}
1598		1992
1599	sub save {	1993	sub save {
1600	my ($self) = @_;	1994	my ($self) = @_;
1601		1995
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		1997
1604	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1605		1999
1606	return unless $self->dirty;	2000	return unless $self->dirty;
1607		2001
…		…
1630	my ($self) = @_;	2024	my ($self) = @_;
1631		2025
1632	# save first because save cedes	2026	# save first because save cedes
1633	$self->save;	2027	$self->save;
1634		2028
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2030
1637	return if $self->players;	2031	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2033	return if $self->{deny_save};
1640		2034
…		…
1644		2038
1645	sub reset_at {	2039	sub reset_at {
1646	my ($self) = @_;	2040	my ($self) = @_;
1647		2041
1648	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1651		2044
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2047
…		…
1665	my ($self) = @_;	2058	my ($self) = @_;
1666		2059
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2061
1669	return if $self->players;	2062	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2063
1672	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1673		2065
1674	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1675		2067
1676	# need to save uniques path	2068	# need to save uniques path
1677	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1694	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1695		2087
1696	sub nuke {	2088	sub nuke {
1697	my ($self) = @_;	2089	my ($self) = @_;
1698		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
1699	delete $cf::MAP{$self->path};	2094	delete $cf::MAP{$self->path};
1700		2095
1701	$self->unlink_save;
1702
1703	bless $self, "cf::map";	2096	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2097	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2098	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2099	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2100	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2101
		2102	$self->unlink_save;
		2103
1709	$cf::MAP{$self->path} = $self;	2104	$cf::MAP{$self->path} = $self;
		2105	}
1710		2106
1711	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
		2108	}
		2109
		2110	=item $maps = cf::map::tmp_maps
		2111
		2112	Returns an arrayref with all map paths of currently instantiated and saved
		2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
		2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
		2127
		2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
1712	}	2144	}
1713		2145
1714	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1715		2147
1716	Returns an arrayref of paths of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2149	instantiated unique items. May block.
1718		2150
1719	=cut	2151	=cut
1720		2152
1721	sub unique_maps() {	2153	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2154	[
1723	or return;	2155	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2156	utf8::decode $_;
1729	next if /\.pst$/;	2157	/\.map$/
1730	next unless /^$PATH_SEP/o;	2158	? normalise $_
1731		2159	: ()
1732	push @paths, cf::map::normalise $_;	2160	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2161	]
1734
1735	\@paths
1736	}	2162	}
1737		2163
1738	package cf;	2164	package cf;
1739		2165
1740	=back	2166	=back
…		…
1786		2212
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2214
1789	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1791	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1794	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1795	}	2240	}
1796		2241
1797	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1798		2243
1799	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1847		2292
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2294
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1852		2297
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2299	}
1855		2300
1856	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1858		2305
1859	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1860		2307
1861	unless ($map) {	2308	unless ($map) {
1862	# restore original map position	2309	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1879		2326
1880	$map->load;	2327	$map->load;
1881	$map->load_diag;	2328	$map->load_neighbours;
1882		2329
1883	return unless $self->contr->active;	2330	return unless $self->contr->active;
1884	$self->activate_recursive;	2331	$self->activate_recursive;
1885		2332
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1888	}	2335	}
1889		2336
1890	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2338
1894	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1898	};	2343	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2344
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2345	=cut
		2346
		2347	our $GOTOGEN;
1925		2348
1926	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
		2351
		2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2354
1929	$self->enter_link;	2355	$self->enter_link;
1930		2356
1931	(async {	2357	(async {
1932	my $map = eval {	2358	my $map = eval {
1933	my $map = cf::map::find $path;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
		2363	$map = $check->($map) if $check && $map;
		2364	} else {
		2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
		2367
1935	$map	2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2374	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1940	})->prio (1);	2382	})->prio (1);
1941	}	2383	}
1942		2384
1943	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1944		2386
…		…
1983		2425
1984	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1985		2427
1986	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2430	my $meta = "$RANDOMDIR/$md5.meta";
1989		2431
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2434	undef $fh;
1993	aio_rename "$meta~", $meta;	2435	aio_rename "$meta~", $meta;
…		…
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;	2455	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2456	my $sp = $exit->stats->sp;
2015		2457
2016	$self->enter_link;	2458	$self->enter_link;
		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
2017		2463
2018	(async {	2464	(async {
2019	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2466	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2467	$self->goto ($slaying, $hp, $sp);
…		…
2049		2495
2050	utf8::encode $text;	2496	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2498	}
2053		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	sub cf::client::send_msg {
		2510	my ($self, $channel, $msg, $color, @extra) = @_;
		2511
		2512	$msg = $self->pl->expand_cfpod ($msg);
		2513
		2514	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2515
		2516	if (ref $channel) {
		2517	# send meta info to client, if not yet sent
		2518	unless (exists $self->{channel}{$channel->{id}}) {
		2519	$self->{channel}{$channel->{id}} = $channel;
		2520	$self->ext_msg (channel_info => $channel);
		2521	}
		2522
		2523	$channel = $channel->{id};
		2524	}
		2525
		2526	return unless @extra || length $msg;
		2527
		2528	if ($self->can_msg) {
		2529	# default colour, mask it out
		2530	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2531	if $color & cf::NDI_DEF;
		2532
		2533	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2534	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2535	} else {
		2536	if ($color >= 0) {
		2537	# replace some tags by gcfclient-compatible ones
		2538	for ($msg) {
		2539	1 while
		2540	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2541	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2542	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2543	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2544	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2545	}
		2546
		2547	$color &= cf::NDI_COLOR_MASK;
		2548
		2549	utf8::encode $msg;
		2550
		2551	if (0 && $msg =~ /\[/) {
		2552	# COMMAND/INFO
		2553	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2554	} else {
		2555	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2556	$self->send_packet ("drawinfo $color $msg")
		2557	}
		2558	}
		2559	}
		2560	}
		2561
2054	=item $client->ext_event ($type, %msg)	2562	=item $client->ext_msg ($type, @msg)
2055		2563
2056	Sends an exti event to the client.	2564	Sends an ext event to the client.
2057		2565
2058	=cut	2566	=cut
2059		2567
2060	sub cf::client::ext_event($$%) {	2568	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2569	my ($self, $type, @msg) = @_;
2062		2570
		2571	if ($self->extcmd == 2) {
		2572	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2573	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2574	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2575	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2576	}
		2577	}
		2578
		2579	=item $client->ext_reply ($msgid, @msg)
		2580
		2581	Sends an ext reply to the client.
		2582
		2583	=cut
		2584
		2585	sub cf::client::ext_reply($$@) {
		2586	my ($self, $id, @msg) = @_;
		2587
		2588	if ($self->extcmd == 2) {
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2590	} elsif ($self->extcmd == 1) {
		2591	#TODO: version 1, remove
		2592	unshift @msg, msgtype => "reply", msgid => $id;
		2593	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2594	}
2065	}	2595	}
2066		2596
2067	=item $success = $client->query ($flags, "text", \&cb)	2597	=item $success = $client->query ($flags, "text", \&cb)
2068		2598
2069	Queues a query to the client, calling the given callback with	2599	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2600	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2601	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2602
2073	Queries can fail, so check the return code. Or don't, as queries will become	2603	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2604	become reliable at some point in the future.
2075		2605
2076	=cut	2606	=cut
2077		2607
2078	sub cf::client::query {	2608	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2609	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2617	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2618	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2619
2090	$self->send_packet ($self->{query_queue}[0][0])	2620	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2621	if @{ $self->{query_queue} } == 1;
		2622
		2623	1
2092	}	2624	}
2093		2625
2094	cf::client->attach (	2626	cf::client->attach (
		2627	on_connect => sub {
		2628	my ($ns) = @_;
		2629
		2630	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2631	},
2095	on_reply => sub {	2632	on_reply => sub {
2096	my ($ns, $msg) = @_;	2633	my ($ns, $msg) = @_;
2097		2634
2098	# this weird shuffling is so that direct followup queries	2635	# this weird shuffling is so that direct followup queries
2099	# get handled first	2636	# get handled first
…		…
2111	} else {	2648	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2649	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2650	}
2114	}	2651	}
2115	},	2652	},
		2653	on_exticmd => sub {
		2654	my ($ns, $buf) = @_;
		2655
		2656	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2657
		2658	if (ref $msg) {
		2659	my ($type, $reply, @payload) =
		2660	"ARRAY" eq ref $msg
		2661	? @$msg
		2662	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2663
		2664	my @reply;
		2665
		2666	if (my $cb = $EXTICMD{$type}) {
		2667	@reply = $cb->($ns, @payload);
		2668	}
		2669
		2670	$ns->ext_reply ($reply, @reply)
		2671	if $reply;
		2672
		2673	} else {
		2674	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2675	}
		2676
		2677	cf::override;
		2678	},
2116	);	2679	);
2117		2680
2118	=item $client->async (\&cb)	2681	=item $client->async (\&cb)
2119		2682
2120	Create a new coroutine, running the specified callback. The coroutine will	2683	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	2724	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	2725	our $safe_hole = new Safe::Hole;
2163		2726
2164	$SIG{FPE} = 'IGNORE';	2727	$SIG{FPE} = 'IGNORE';
2165		2728
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2729	$safe->permit_only (Opcode::opset qw(
		2730	:base_core :base_mem :base_orig :base_math
		2731	grepstart grepwhile mapstart mapwhile
		2732	sort time
		2733	));
2167		2734
2168	# here we export the classes and methods available to script code	2735	# here we export the classes and methods available to script code
2169		2736
2170	=pod	2737	=pod
2171		2738
2172	The following functions and methods are available within a safe environment:	2739	The following functions and methods are available within a safe environment:
2173		2740
2174	cf::object contr pay_amount pay_player map	2741	cf::object
		2742	contr pay_amount pay_player map x y force_find force_add
		2743	insert remove name archname title slaying race decrease_ob_nr
		2744
2175	cf::object::player player	2745	cf::object::player
2176	cf::player peaceful	2746	player
2177	cf::map trigger	2747
		2748	cf::player
		2749	peaceful
		2750
		2751	cf::map
		2752	trigger
2178		2753
2179	=cut	2754	=cut
2180		2755
2181	for (	2756	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2757	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2758	insert remove inv name archname title slaying race
		2759	decrease_ob_nr)],
2183	["cf::object::player" => qw(player)],	2760	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2761	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2762	["cf::map" => qw(trigger)],
2186	) {	2763	) {
2187	no strict 'refs';	2764	no strict 'refs';
…		…
2258	=back	2835	=back
2259		2836
2260	=cut	2837	=cut
2261		2838
2262	#############################################################################	2839	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	2840	# the server's init and main functions
2336		2841
2337	sub load_facedata {	2842	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	2843	my ($path) = @_;
		2844
		2845	# HACK to clear player env face cache, we need some signal framework
		2846	# for this (global event?)
		2847	%ext::player_env::MUSIC_FACE_CACHE = ();
		2848
		2849	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		2850
2340	warn "loading facedata from $path\n";	2851	warn "loading facedata from $path\n";
2341		2852
2342	my $facedata;	2853	my $facedata;
2343	0 < aio_load $path, $facedata	2854	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	2857	$facedata = Coro::Storable::thaw $facedata;
2347		2858
2348	$facedata->{version} == 2	2859	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	2860	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		2861
		2862	# patch in the exptable
		2863	$facedata->{resource}{"res/exp_table"} = {
		2864	type => FT_RSRC,
		2865	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2866	};
		2867	cf::cede_to_tick;
		2868
2351	{	2869	{
2352	my $faces = $facedata->{faceinfo};	2870	my $faces = $facedata->{faceinfo};
2353		2871
2354	while (my ($face, $info) = each %$faces) {	2872	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2873	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2874	cf::face::set_visibility $idx, $info->{visibility};
		2875	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2876	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2877	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	2878
		2879	cf::cede_to_tick;
2360	}	2880	}
2361		2881
2362	while (my ($face, $info) = each %$faces) {	2882	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	2883	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	2884	my $idx = cf::face::find $face
2365	or next;	2885	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	2886	if (my $smooth = cf::face::find $info->{smooth}) {
		2887	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2888	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	2889	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	2890	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	2891	}
2371	Coro::cede;	2892
		2893	cf::cede_to_tick;
2372	}	2894	}
2373	}	2895	}
2374		2896
2375	{	2897	{
2376	my $anims = $facedata->{animinfo};	2898	my $anims = $facedata->{animinfo};
2377		2899
2378	while (my ($anim, $info) = each %$anims) {	2900	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	2901	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	2902	cf::cede_to_tick;
2381	}	2903	}
2382		2904
2383	cf::anim::invalidate_all; # d'oh	2905	cf::anim::invalidate_all; # d'oh
2384	}	2906	}
2385		2907
		2908	{
		2909	# TODO: for gcfclient pleasure, we should give resources
		2910	# that gcfclient doesn't grok a >10000 face index.
		2911	my $res = $facedata->{resource};
		2912
		2913	my $soundconf = delete $res->{"res/sound.conf"};
		2914
		2915	while (my ($name, $info) = each %$res) {
		2916	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2917	my $data;
		2918
		2919	if ($info->{type} & 1) {
		2920	# prepend meta info
		2921
		2922	my $meta = $enc->encode ({
		2923	name => $name,
		2924	%{ $info->{meta} || {} },
		2925	});
		2926
		2927	$data = pack "(w/a*)*", $meta, $info->{data};
		2928	} else {
		2929	$data = $info->{data};
		2930	}
		2931
		2932	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2933	cf::face::set_type $idx, $info->{type};
		2934
		2935	cf::cede_to_tick;
		2936	}
		2937
		2938	if ($soundconf) {
		2939	$soundconf = $enc->decode (delete $soundconf->{data});
		2940
		2941	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2942	my $sound = $soundconf->{compat}[$_]
		2943	or next;
		2944
		2945	my $face = cf::face::find "sound/$sound->[1]";
		2946	cf::sound::set $sound->[0] => $face;
		2947	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2948	}
		2949
		2950	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2951	my $face = cf::face::find "sound/$v";
		2952	cf::sound::set $k => $face;
		2953	}
		2954	}
		2955	}
		2956
2386	1	2957	1
2387	}	2958	}
2388		2959
		2960	register_exticmd fx_want => sub {
		2961	my ($ns, $want) = @_;
		2962
		2963	while (my ($k, $v) = each %$want) {
		2964	$ns->fx_want ($k, $v);
		2965	}
		2966	};
		2967
		2968	sub reload_regions {
		2969	# HACK to clear player env face cache, we need some signal framework
		2970	# for this (global event?)
		2971	%ext::player_env::MUSIC_FACE_CACHE = ();
		2972
		2973	load_resource_file "$MAPDIR/regions"
		2974	or die "unable to load regions file\n";
		2975
		2976	for (cf::region::list) {
		2977	$_->{match} = qr/$_->{match}/
		2978	if exists $_->{match};
		2979	}
		2980	}
		2981
		2982	sub reload_facedata {
		2983	load_facedata "$DATADIR/facedata"
		2984	or die "unable to load facedata\n";
		2985	}
		2986
2389	sub load_archetypes {	2987	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	2988	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	2989	or die "unable to load archetypes\n";
		2990	#d# NEED to laod twice to resolve forward references
		2991	# this really needs to be done in an extra post-pass
		2992	# (which needs to be synchronous, so solve it differently)
		2993	load_resource_file "$DATADIR/archetypes"
		2994	or die "unable to load archetypes\n";
2392	}	2995	}
2393		2996
2394	sub load_treasures {	2997	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	2998	load_resource_file "$DATADIR/treasures"
		2999	or die "unable to load treasurelists\n";
2396	}	3000	}
2397		3001
2398	sub reload_resources {	3002	sub reload_resources {
2399	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3003	warn "reloading resource files...\n";
2400	or die "unable to load regions file\n";	3004
		3005	reload_regions;
2401	load_facedata	3006	reload_facedata;
2402	or die "unable to load facedata\n";	3007	#reload_archetypes;#d#
2403	load_archetypes	3008	reload_archetypes;
2404	or die "unable to load archetypes\n";
2405	load_treasures	3009	reload_treasures;
2406	or die "unable to load treasurelists\n";	3010
		3011	warn "finished reloading resource files\n";
2407	}	3012	}
2408		3013
2409	sub init {	3014	sub init {
2410	reload_resources;	3015	reload_resources;
2411	}	3016	}
2412		3017
2413	sub cfg_load {	3018	sub reload_config {
2414	open my $fh, "<:utf8", cf::confdir . "/config"	3019	open my $fh, "<:utf8", "$CONFDIR/config"
2415	or return;	3020	or return;
2416		3021
2417	local $/;	3022	local $/;
2418	*CFG = YAML::Syck::Load <$fh>;	3023	*CFG = YAML::Syck::Load <$fh>;
2419		3024
…		…
2438	(async {	3043	(async {
2439	Event::one_event;	3044	Event::one_event;
2440	})->prio (Coro::PRIO_MAX);	3045	})->prio (Coro::PRIO_MAX);
2441	};	3046	};
2442		3047
2443	cfg_load;	3048	reload_config;
2444	db_init;	3049	db_init;
2445	load_extensions;	3050	load_extensions;
2446		3051
2447	$TICK_WATCHER->start;	3052	$TICK_WATCHER->start;
2448	Event::loop;	3053	Event::loop;
…		…
2464	},	3069	},
2465	);	3070	);
2466	}	3071	}
2467	}	3072	}
2468		3073
		3074	sub write_runtime {
		3075	my $runtime = "$LOCALDIR/runtime";
		3076
		3077	# first touch the runtime file to show we are still running:
		3078	# the fsync below can take a very very long time.
		3079
		3080	IO::AIO::aio_utime $runtime, undef, undef;
		3081
		3082	my $guard = cf::lock_acquire "write_runtime";
		3083
		3084	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3085	or return;
		3086
		3087	my $value = $cf::RUNTIME + 90 + 10;
		3088	# 10 is the runtime save interval, for a monotonic clock
		3089	# 60 allows for the watchdog to kill the server.
		3090
		3091	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3092	and return;
		3093
		3094	# always fsync - this file is important
		3095	aio_fsync $fh
		3096	and return;
		3097
		3098	# touch it again to show we are up-to-date
		3099	aio_utime $fh, undef, undef;
		3100
		3101	close $fh
		3102	or return;
		3103
		3104	aio_rename "$runtime~", $runtime
		3105	and return;
		3106
		3107	warn "runtime file written.\n";
		3108
		3109	1
		3110	}
		3111
2469	sub emergency_save() {	3112	sub emergency_save() {
2470	my $freeze_guard = cf::freeze_mainloop;	3113	my $freeze_guard = cf::freeze_mainloop;
2471		3114
2472	warn "enter emergency perl save\n";	3115	warn "enter emergency perl save\n";
2473		3116
…		…
2504		3147
2505	warn Carp::longmess "post_cleanup backtrace"	3148	warn Carp::longmess "post_cleanup backtrace"
2506	if $make_core;	3149	if $make_core;
2507	}	3150	}
2508		3151
2509	sub reload() {	3152	sub do_reload_perl() {
2510	# can/must only be called in main	3153	# can/must only be called in main
2511	if ($Coro::current != $Coro::main) {	3154	if ($Coro::current != $Coro::main) {
2512	warn "can only reload from main coroutine";	3155	warn "can only reload from main coroutine";
2513	return;	3156	return;
2514	}	3157	}
…		…
2548	%EXT_CORO = ();	3191	%EXT_CORO = ();
2549		3192
2550	warn "removing commands";	3193	warn "removing commands";
2551	%COMMAND = ();	3194	%COMMAND = ();
2552		3195
2553	warn "removing ext commands";	3196	warn "removing ext/exti commands";
2554	%EXTCMD = ();	3197	%EXTCMD = ();
		3198	%EXTICMD = ();
2555		3199
2556	warn "unloading/nuking all extensions";	3200	warn "unloading/nuking all extensions";
2557	for my $pkg (@EXTS) {	3201	for my $pkg (@EXTS) {
2558	warn "... unloading $pkg";	3202	warn "... unloading $pkg";
2559		3203
…		…
2589	Symbol::delete_package "safe::$_"	3233	Symbol::delete_package "safe::$_"
2590	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3234	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2591		3235
2592	warn "unloading cf.pm \"a bit\"";	3236	warn "unloading cf.pm \"a bit\"";
2593	delete $INC{"cf.pm"};	3237	delete $INC{"cf.pm"};
		3238	delete $INC{"cf/pod.pm"};
2594		3239
2595	# don't, removes xs symbols, too,	3240	# don't, removes xs symbols, too,
2596	# and global variables created in xs	3241	# and global variables created in xs
2597	#Symbol::delete_package __PACKAGE__;	3242	#Symbol::delete_package __PACKAGE__;
2598		3243
…		…
2601	warn "reloading cf.pm";	3246	warn "reloading cf.pm";
2602	require cf;	3247	require cf;
2603	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3248	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2604		3249
2605	warn "loading config and database again";	3250	warn "loading config and database again";
2606	cf::cfg_load;	3251	cf::reload_config;
2607		3252
2608	warn "loading extensions";	3253	warn "loading extensions";
2609	cf::load_extensions;	3254	cf::load_extensions;
2610		3255
2611	warn "reattaching attachments to objects/players";	3256	warn "reattaching attachments to objects/players";
…		…
2613	warn "reattaching attachments to maps";	3258	warn "reattaching attachments to maps";
2614	reattach $_ for values %MAP;	3259	reattach $_ for values %MAP;
2615	warn "reattaching attachments to players";	3260	warn "reattaching attachments to players";
2616	reattach $_ for values %PLAYER;	3261	reattach $_ for values %PLAYER;
2617		3262
2618	warn "loading reloadable resources";
2619	reload_resources;
2620
2621	warn "leaving sync_job";	3263	warn "leaving sync_job";
2622		3264
2623	1	3265	1
2624	} or do {	3266	} or do {
2625	warn $@;	3267	warn $@;
…		…
2630	warn "reloaded";	3272	warn "reloaded";
2631	};	3273	};
2632		3274
2633	our $RELOAD_WATCHER; # used only during reload	3275	our $RELOAD_WATCHER; # used only during reload
2634		3276
		3277	sub reload_perl() {
		3278	# doing reload synchronously and two reloads happen back-to-back,
		3279	# coro crashes during coro_state_free->destroy here.
		3280
		3281	$RELOAD_WATCHER ||= Event->timer (
		3282	reentrant => 0,
		3283	after => 0,
		3284	data => WF_AUTOCANCEL,
		3285	cb => sub {
		3286	do_reload_perl;
		3287	undef $RELOAD_WATCHER;
		3288	},
		3289	);
		3290	}
		3291
2635	register_command "reload" => sub {	3292	register_command "reload" => sub {
2636	my ($who, $arg) = @_;	3293	my ($who, $arg) = @_;
2637		3294
2638	if ($who->flag (FLAG_WIZ)) {	3295	if ($who->flag (FLAG_WIZ)) {
2639	$who->message ("reloading server.");	3296	$who->message ("reloading server.");
2640		3297	async { reload_perl };
2641	# doing reload synchronously and two reloads happen back-to-back,
2642	# coro crashes during coro_state_free->destroy here.
2643
2644	$RELOAD_WATCHER ||= Event->timer (
2645	reentrant => 0,
2646	after => 0,
2647	data => WF_AUTOCANCEL,
2648	cb => sub {
2649	reload;
2650	undef $RELOAD_WATCHER;
2651	},
2652	);
2653	}	3298	}
2654	};	3299	};
2655		3300
2656	unshift @INC, $LIBDIR;	3301	unshift @INC, $LIBDIR;
2657		3302
…		…
2676	my $signal = new Coro::Signal;	3321	my $signal = new Coro::Signal;
2677	push @WAIT_FOR_TICK_BEGIN, $signal;	3322	push @WAIT_FOR_TICK_BEGIN, $signal;
2678	$signal->wait;	3323	$signal->wait;
2679	}	3324	}
2680		3325
		3326	my $min = 1e6;#d#
		3327	my $avg = 10;
2681	$TICK_WATCHER = Event->timer (	3328	$TICK_WATCHER = Event->timer (
2682	reentrant => 0,	3329	reentrant => 0,
2683	parked => 1,	3330	parked => 1,
2684	prio => 0,	3331	prio => 0,
2685	at => $NEXT_TICK || $TICK,	3332	at => $NEXT_TICK || $TICK,
…		…
2689	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3336	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2690	unless ++$bug_warning > 10;	3337	unless ++$bug_warning > 10;
2691	return;	3338	return;
2692	}	3339	}
2693		3340
2694	$NOW = Event::time;	3341	$NOW = $tick_start = Event::time;
2695		3342
2696	cf::server_tick; # one server iteration	3343	cf::server_tick; # one server iteration
		3344
		3345	0 && sync_job {#d#
		3346	for(1..10) {
		3347	my $t = Event::time;
		3348	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3349	or die;
		3350
		3351	$map->width (50);
		3352	$map->height (50);
		3353	$map->alloc;
		3354	$map->_load_objects ("/tmp/x.map", 1);
		3355	my $t = Event::time - $t;
		3356
		3357	#next unless $t < 0.0013;#d#
		3358	if ($t < $min) {
		3359	$min = $t;
		3360	}
		3361	$avg = $avg * 0.99 + $t * 0.01;
		3362	}
		3363	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3364	exit 0;
		3365	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3366	};
		3367
2697	$RUNTIME += $TICK;	3368	$RUNTIME += $TICK;
2698	$NEXT_TICK += $TICK;	3369	$NEXT_TICK += $TICK;
2699		3370
2700	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3371	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2701	$NEXT_RUNTIME_WRITE = $NOW + 10;	3372	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2703	write_runtime	3374	write_runtime
2704	or warn "ERROR: unable to write runtime file: $!";	3375	or warn "ERROR: unable to write runtime file: $!";
2705	};	3376	};
2706	}	3377	}
2707		3378
		3379	# my $AFTER = Event::time;
		3380	# warn $AFTER - $NOW;#d#
		3381
2708	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3382	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2709	$sig->send;	3383	$sig->send;
2710	}	3384	}
2711	while (my $sig = shift @WAIT_FOR_TICK) {	3385	while (my $sig = shift @WAIT_FOR_TICK) {
2712	$sig->send;	3386	$sig->send;
2713	}	3387	}
2714		3388
2715	# my $AFTER = Event::time;	3389	$NOW = Event::time;
2716	# warn $AFTER - $NOW;#d#
2717		3390
2718	# if we are delayed by four ticks or more, skip them all	3391	# if we are delayed by four ticks or more, skip them all
2719	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3392	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2720		3393
2721	$TICK_WATCHER->at ($NEXT_TICK);	3394	$TICK_WATCHER->at ($NEXT_TICK);
2722	$TICK_WATCHER->start;	3395	$TICK_WATCHER->start;
		3396
		3397	$LOAD = ($NOW - $tick_start) / $TICK;
		3398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3399
		3400	_post_tick;
		3401
		3402
2723	},	3403	},
2724	);	3404	);
2725		3405
2726	{	3406	{
2727	BDB::max_poll_time $TICK * 0.1;	3407	BDB::max_poll_time $TICK * 0.1;
…		…
2755		3435
2756	cf::sync_job {	3436	cf::sync_job {
2757	eval {	3437	eval {
2758	BDB::db_env_open	3438	BDB::db_env_open
2759	$DB_ENV,	3439	$DB_ENV,
2760	$BDB_ENV_DIR,	3440	$BDBDIR,
2761	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3441	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2762	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3442	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2763	0666;	3443	0666;
2764		3444
2765	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3445	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2766		3446
2767	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3447	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2768	$DB_ENV->set_lk_detect;	3448	$DB_ENV->set_lk_detect;
2769	};	3449	};
2770		3450
…		…
2786	prio => 6,	3466	prio => 6,
2787	cb => \&IO::AIO::poll_cb,	3467	cb => \&IO::AIO::poll_cb,
2788	);	3468	);
2789	}	3469	}
2790		3470
		3471	my $_log_backtrace;
		3472
		3473	sub _log_backtrace {
		3474	my ($msg, @addr) = @_;
		3475
		3476	$msg =~ s/\n//;
		3477
		3478	# limit the # of concurrent backtraces
		3479	if ($_log_backtrace < 2) {
		3480	++$_log_backtrace;
		3481	async {
		3482	my @bt = fork_call {
		3483	@addr = map { sprintf "%x", $_ } @addr;
		3484	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3485	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3486	or die "addr2line: $!";
		3487
		3488	my @funcs;
		3489	my @res = <$fh>;
		3490	chomp for @res;
		3491	while (@res) {
		3492	my ($func, $line) = splice @res, 0, 2, ();
		3493	push @funcs, "[$func] $line";
		3494	}
		3495
		3496	@funcs
		3497	};
		3498
		3499	LOG llevInfo, "[ABT] $msg\n";
		3500	LOG llevInfo, "[ABT] $_\n" for @bt;
		3501	--$_log_backtrace;
		3502	};
		3503	} else {
		3504	LOG llevInfo, "[ABT] $msg\n";
		3505	LOG llevInfo, "[ABT] [suppressed]\n";
		3506	}
		3507	}
		3508
		3509	# load additional modules
		3510	use cf::pod;
		3511
2791	END { cf::emergency_save }	3512	END { cf::emergency_save }
2792		3513
2793	1	3514	1
2794		3515

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