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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.338 by root, Tue Aug 21 01:07:47 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 3.52 ();	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;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS 1.4 ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	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
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		42
36	$Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	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(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
…		…
71	our $RUNTIME;	90	our $RUNTIME;
72		91
73	our %PLAYER; # all users	92	our %PLAYER; # all users
74	our %MAP; # all maps	93	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		95
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		102
85	binmode STDOUT;	103	binmode STDOUT;
86	binmode STDERR;	104	binmode STDERR;
87		105
88	# read virtual server time, if available	106	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
93	}	111	}
94		112
95	mkdir cf::localdir;	113	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		115
102	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
103		117
104	sub cf::map::normalise;	118	sub cf::map::normalise;
105		119
…		…
116	=item $cf::RUNTIME	130	=item $cf::RUNTIME
117		131
118	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
119	every server tick.	133	every server tick.
120		134
121	=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
122		138
123	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		143
126	=item $cf::NOW	144	=item $cf::NOW
127		145
128	The time of the last (current) server tick.	146	The time of the last (current) server tick.
129		147
130	=item $cf::TICK	148	=item $cf::TICK
131		149
132	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.
133		161
134	=item %cf::CFG	162	=item %cf::CFG
135		163
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	165	from wherever your confdir points to.
138		166
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		168
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	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.
145		178
146	=back	179	=back
147		180
148	=cut	181	=cut
149		182
150	BEGIN {	183	BEGIN {
151	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	185	my $msg = join "", @_;
153	utf8::encode $msg;
154		186
155	$msg .= "\n"	187	$msg .= "\n"
156	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
157		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
158	LOG llevError, $msg;	193	LOG llevError, $msg;
159	};	194	};
160	}	195	}
161		196
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		204
169	# 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
170	# within the Safe compartment.	206	# within the Safe compartment.
171	for my $pkg (qw(	207	for my $pkg (qw(
172	cf::global cf::attachable	208	cf::global cf::attachable
…		…
180	}	216	}
181		217
182	$Event::DIED = sub {	218	$Event::DIED = sub {
183	warn "error in event callback: @_";	219	warn "error in event callback: @_";
184	};	220	};
		221
		222	#############################################################################
185		223
186	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
187		225
188	=over 4	226	=over 4
189		227
…		…
208	$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;
209	$d	247	$d
210	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
211	}	249	}
212		250
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
216		252
217	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
218		254
219	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
220		256
221	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]) }
222		265
223	=item cf::lock_wait $string	266	=item cf::lock_wait $string
224		267
225	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
226		269
…		…
232	returned.	275	returned.
233		276
234	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
236		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
237	=cut	284	=cut
238		285
239	our %LOCK;	286	our %LOCK;
240		287
241	sub lock_wait($) {	288	sub lock_wait($) {
…		…
258		305
259	Coro::guard {	306	Coro::guard {
260	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
262	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
263	}	316	}
264		317
265	sub freeze_mainloop {	318	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
267		320
…		…
270	};	323	};
271	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
272	$guard	325	$guard
273	}	326	}
274		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
275	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
276		385
277	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	387	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	388	thing you are allowed to do is call C<prio> on it.
…		…
282		391
283	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
284		393
285	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
286		395
287	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
290		400
291	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
294	fast or be very important.	404	fast or be very important.
…		…
297		407
298	sub sync_job(&) {	408	sub sync_job(&) {
299	my ($job) = @_;	409	my ($job) = @_;
300		410
301	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
302	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
304		416
305	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
317		429
318	while ($busy) {	430	while ($busy) {
319	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
320	}	432	}
321		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
322	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
323	} else {	442	} else {
324	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
325		444
326	$job->()	445	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
346		465
347	$coro	466	$coro
348	}	467	}
349		468
350	sub write_runtime {	469	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		470
353	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
354		475
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
356	or return;
357		477
358	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		480
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
363	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
364		484
365	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	486	reset_signals;
367	and return;	487	&$cb
		488	}, @args;
368		489
369	close $fh	490	wantarray ? @res : $res[-1]
370	or return;	491	}
371		492
372	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
373	and return;
374		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
375	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
376	}	607	}
377		608
378	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
379		610
380	Log a datalog packet of the given type with the given key-value pairs.	611	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
400		631
401	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	634	Crossfire TRT).
404		635
405	=over 4	636	=over 4
406		637
407	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
408		639
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
572		803
573	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		808
578	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	810	my $pkg = shift @arg;
580		811
581	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
611	}	842	}
612		843
613	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
614	} else {	845	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	847	}
617		848
618	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
619	}	850	}
620		851
…		…
622	if (ref $_[0]) {	853	if (ref $_[0]) {
623	_object_attach @_;	854	_object_attach @_;
624	} else {	855	} else {
625	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
626	}	857	}
		858	_recalc_want;
627	};	859	};
628		860
629	# all those should be optimised	861	# all those should be optimised
630	sub cf::attachable::detach {	862	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
635	reattach ($obj);	867	reattach ($obj);
636	} else {	868	} else {
637	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
638	}	870	}
		871	_recalc_want;
639	};	872	};
640		873
641	sub cf::attachable::attached {	874	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
643		876
…		…
658	";	891	";
659	die if $@;	892	die if $@;
660	}	893	}
661		894
662	our $override;	895	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		897
665	sub override {	898	sub override {
666	$override = 1;	899	$override = 1;
667	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
668	}	901	}
669		902
670	sub do_invoke {	903	sub do_invoke {
671	my $event = shift;	904	my $event = shift;
672	my $callbacks = shift;	905	my $callbacks = shift;
673		906
674	@invoke_results = ();	907	@INVOKE_RESULTS = ();
675		908
676	local $override;	909	local $override;
677		910
678	for (@$callbacks) {	911	for (@$callbacks) {
679	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
696		929
697	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
698		931
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		935
703	=back	936	=back
704		937
705	=cut	938	=cut
706		939
707	#############################################################################	940	#############################################################################
708	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
709		953
710	sub reattach {	954	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	956	my ($obj) = @_;
713		957
…		…
816	or return;	1060	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1062	}
819		1063
820	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1066	return ($data, $av);
823	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
824		1074
825	#############################################################################	1075	#############################################################################
826	# command handling &c	1076	# command handling &c
827		1077
828	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1092	}
843		1093
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1095
846	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
847		1101
848	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
849	called.	1103	called.
850		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
851	=cut	1116	=cut
852		1117
853	sub register_extcmd {	1118	sub register_extcmd {
854	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
855		1120
856	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
857	}	1128	}
858		1129
859	cf::player->attach (	1130	cf::player->attach (
860	on_command => sub {	1131	on_command => sub {
861	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1141	cf::override;
871	},	1142	},
872	on_extcmd => sub {	1143	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
874		1145
875	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1147
877	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
883	} else {	1163	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1165	}
886		1166
887	cf::override;	1167	cf::override;
888	},	1168	},
889	);	1169	);
890		1170
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
926	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1176	next unless -r $path;
928	eval {	1177
929	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
930	1	1235	}
931	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
932	}	1241	};
933	}	1242	}
934		1243
935	#############################################################################	1244	#############################################################################
936		1245
		1246	=back
		1247
937	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
938		1249
939	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
940		1251
941	=cut	1252	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
954		1265
955	=cut	1266	=cut
956		1267
957	sub playerdir($) {	1268	sub playerdir($) {
958	cf::localdir	1269	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1271	}
964		1272
965	sub path($) {	1273	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1275
968	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
969	}	1277	}
970		1278
971	sub find_active($) {	1279	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1294	my $login = $_[0];
987		1295
988	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
989		1297
990	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
991	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
992	or return;	1307	or return;
993	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
994	}	1309	}
995	}	1310	}
…		…
1021	$self->{deny_save} = 1;	1336	$self->{deny_save} = 1;
1022		1337
1023	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1024		1339
1025	$self	1340	$self
		1341	}
		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
1026	}	1351	}
1027		1352
1028	=item $pl->quit_character	1353	=item $pl->quit_character
1029		1354
1030	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1080		1405
1081	=cut	1406	=cut
1082		1407
1083	sub list_logins {	1408	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1410	or return [];
1086		1411
1087	my @logins;	1412	my @logins;
1088		1413
1089	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1124	}	1449	}
1125		1450
1126	\@paths	1451	\@paths
1127	}	1452	}
1128		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1129	=item $player->ext_reply ($msgid, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1130		1505
1131	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1132		1507
1133	=cut	1508	=cut
1134		1509
1135	sub ext_reply($$%) {	1510	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1137		1512
1138	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1514	}
1142		1515
1143	=item $player->ext_event ($type, %msg)	1516	=item $player->ext_msg ($type, @msg)
1144		1517
1145	Sends an ext event to the client.	1518	Sends an ext event to the client.
1146		1519
1147	=cut	1520	=cut
1148		1521
1149	sub ext_event($$%) {	1522	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1523	my ($self, $type, @msg) = @_;
1151		1524
1152	delete $msg{msgid};	1525	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1526	}
1158		1527
1159	package cf;	1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1160		1556
1161	=back	1557	=back
1162
1163		1558
1164	=head3 cf::map	1559	=head3 cf::map
1165		1560
1166	=over 4	1561	=over 4
1167		1562
…		…
1222	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1223		1618
1224	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1225	local $self->{path};	1620	local $self->{path};
1226	local $self->{load_path};	1621	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1622
1230	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1231	}	1624	}
1232		1625
1233	sub normalise {	1626	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1281	return $self;	1674	return $self;
1282	}	1675	}
1283	}	1676	}
1284		1677
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1679	()
1287	}	1680	}
1288		1681
1289	sub init {	1682	sub init {
1290	my ($self) = @_;	1683	my ($self) = @_;
…		…
1305		1698
1306	# the original (read-only) location	1699	# the original (read-only) location
1307	sub load_path {	1700	sub load_path {
1308	my ($self) = @_;	1701	my ($self) = @_;
1309		1702
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1311	}	1704	}
1312		1705
1313	# the temporary/swap location	1706	# the temporary/swap location
1314	sub save_path {	1707	sub save_path {
1315	my ($self) = @_;	1708	my ($self) = @_;
1316		1709
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1319	}	1712	}
1320		1713
1321	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1322	sub uniq_path {	1715	sub uniq_path {
1323	my ($self) = @_;	1716	my ($self) = @_;
1324		1717
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1327	}	1720	}
1328		1721
1329	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1330	# all maps in C++...	1723	# all maps in C++...
1331	sub change_all_map_light {	1724	sub change_all_map_light {
1332	my ($change) = @_;	1725	my ($change) = @_;
1333		1726
1334	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1335	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
		1729	}
		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
1336	}	1737	}
1337		1738
1338	sub unlink_save {	1739	sub unlink_save {
1339	my ($self) = @_;	1740	my ($self) = @_;
1340		1741
…		…
1398	$self->load_header_orig	1799	$self->load_header_orig
1399	or return;	1800	or return;
1400	$self->prepare_orig;	1801	$self->prepare_orig;
1401	}	1802	}
1402		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
		1809
1403	1	1810	1
1404	}	1811	}
1405		1812
1406	sub find;	1813	sub find;
1407	sub find {	1814	sub find {
…		…
1419	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1420		1827
1421	$map->load_header	1828	$map->load_header
1422	or return;	1829	or return;
1423		1830
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1427	$map->reset;	1834	$map->reset;
1428	undef $guard;	1835	undef $guard;
1429	return find $path;	1836	return find $path;
…		…
1440	my ($self) = @_;	1847	my ($self) = @_;
1441		1848
1442	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1443		1850
1444	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1445	my $guard = cf::lock_acquire "map_load:$path";	1854	my $guard = cf::lock_acquire "map_load:$path";
1446		1855
1447	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1448		1857
1449	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1450		1859
1451	$self->alloc;	1860	$self->alloc;
1452		1861
1453	$self->pre_load;	1862	$self->pre_load;
1454
1455	$self->_load_objects ($self->{load_path}, 1)
1456	or return;
1457
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1459	if delete $self->{load_original};
1460
1461	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {
1464	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);
1466	}
1467	}
1468
1469	Coro::cede;
1470
1471	# now do the right thing for maps
1472	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;	1863	Coro::cede;
1479	$self->set_darkness_map;	1864
		1865	$self->_load_objects ($self->{load_path}, 1)
		1866	or return;
		1867
		1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1869	if delete $self->{load_original};
		1870
		1871	if (my $uniq = $self->uniq_path) {
		1872	utf8::encode $uniq;
		1873	if (aio_open $uniq, O_RDONLY, 0) {
		1874	$self->clear_unique_items;
		1875	$self->_load_objects ($uniq, 0);
		1876	}
		1877	}
		1878
		1879	Coro::cede;
		1880	# now do the right thing for maps
		1881	$self->link_multipart_objects;
1480	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	1883	unless $self->difficulty;
1482	Coro::cede;	1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1483	$self->activate;	1893	$self->activate;
		1894	}
		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
		1899	$self->in_memory (cf::MAP_IN_MEMORY);
1484	}	1900	}
1485		1901
1486	$self->post_load;	1902	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1903	}
1490		1904
1491	sub customise_for {	1905	sub customise_for {
1492	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1493		1907
1494	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	1909	if $self->per_player;
1496		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1497	$self	1914	$self
1498	}	1915	}
1499		1916
1500	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	1918	sub load_neighbours {
1502	my ($map) = @_;	1919	my ($map) = @_;
1503		1920
1504	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1505		1922
1506	for (0 .. 3) {	1923	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1508	or next;	1925	or next;
1509	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1510	or next;	1927	or next;
1511	$neigh->load;	1928	$neigh->load;
1512		1929
		1930	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	1933	}
1516		1934
1517	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1519	or next;	1938	or next;
1520	$neigh->load;	1939	$neigh->load;
1521	}	1940	}
1522	}	1941	}
1523		1942
…		…
1547		1966
1548	undef $MAP_PREFETCH{$path};	1967	undef $MAP_PREFETCH{$path};
1549	$MAP_PREFETCHER ||= cf::async {	1968	$MAP_PREFETCHER ||= cf::async {
1550	while (%MAP_PREFETCH) {	1969	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	1970	for my $path (keys %MAP_PREFETCH) {
1552	my $map = find $path	1971	if (my $map = find $path) {
1553	or next;
1554	$map->load;	1972	$map->load;
		1973	}
1555		1974
1556	delete $MAP_PREFETCH{$path};	1975	delete $MAP_PREFETCH{$path};
1557	}	1976	}
1558	}	1977	}
1559	undef $MAP_PREFETCHER;	1978	undef $MAP_PREFETCHER;
…		…
1611		2030
1612	sub reset_at {	2031	sub reset_at {
1613	my ($self) = @_;	2032	my ($self) = @_;
1614		2033
1615	# TODO: safety, remove and allow resettable per-player maps	2034	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2035	return 1e99 if $self->{deny_reset};
1618		2036
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2037	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2038	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2039
…		…
1632	my ($self) = @_;	2050	my ($self) = @_;
1633		2051
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2052	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2053
1636	return if $self->players;	2054	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2055
1639	warn "resetting map ", $self->path;#d#	2056	warn "resetting map ", $self->path;
1640		2057
1641	$self->in_memory (cf::MAP_SWAPPED);	2058	$self->in_memory (cf::MAP_SWAPPED);
1642		2059
1643	# need to save uniques path	2060	# need to save uniques path
1644	unless ($self->{deny_save}) {	2061	unless ($self->{deny_save}) {
…		…
1676	$cf::MAP{$self->path} = $self;	2093	$cf::MAP{$self->path} = $self;
1677		2094
1678	$self->reset; # polite request, might not happen	2095	$self->reset; # polite request, might not happen
1679	}	2096	}
1680		2097
		2098	=item $maps = cf::map::tmp_maps
		2099
		2100	Returns an arrayref with all map paths of currently instantiated and saved
		2101	maps. May block.
		2102
		2103	=cut
		2104
		2105	sub tmp_maps() {
		2106	[
		2107	map {
		2108	utf8::decode $_;
		2109	/\.map$/
		2110	? normalise $_
		2111	: ()
		2112	} @{ aio_readdir $TMPDIR or [] }
		2113	]
		2114	}
		2115
		2116	=item $maps = cf::map::random_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	random maps. May block.
		2120
		2121	=cut
		2122
		2123	sub random_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise "?random/$_"
		2129	: ()
		2130	} @{ aio_readdir $RANDOMDIR or [] }
		2131	]
		2132	}
		2133
1681	=item cf::map::unique_maps	2134	=item cf::map::unique_maps
1682		2135
1683	Returns an arrayref of paths of all shared maps that have	2136	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2137	instantiated unique items. May block.
1685		2138
1686	=cut	2139	=cut
1687		2140
1688	sub unique_maps() {	2141	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2142	[
1690	or return;	2143	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2144	utf8::decode $_;
1696	next if /\.pst$/;	2145	/\.map$/
1697	next unless /^$PATH_SEP/o;	2146	? normalise $_
1698		2147	: ()
1699	push @paths, cf::map::normalise $_;	2148	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2149	]
1701
1702	\@paths
1703	}	2150	}
1704		2151
1705	package cf;	2152	package cf;
1706		2153
1707	=back	2154	=back
…		…
1753		2200
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2201	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2202
1756	if ($self->{record_replies}) {	2203	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2204	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2205
1758	} else {	2206	} else {
		2207	my $pl = $self->contr;
		2208
		2209	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2210	my $dialog = $pl->{npc_dialog};
		2211	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2212
		2213	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2214	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2215	$self->message ($msg, $flags);
		2216	}
1761	}	2217	}
		2218	}
		2219
		2220	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2221
		2222	=cut
		2223
		2224	sub cf::object::send_msg {
		2225	my $pl = shift->contr
		2226	or return;
		2227	$pl->send_msg (@_);
1762	}	2228	}
1763		2229
1764	=item $player_object->may ("access")	2230	=item $player_object->may ("access")
1765		2231
1766	Returns wether the given player is authorized to access resource "access"	2232	Returns wether the given player is authorized to access resource "access"
…		…
1813	$self->deactivate_recursive;	2279	$self->deactivate_recursive;
1814		2280
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2281	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2282
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2283	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2284	if $self->map && $self->map->{path} ne "{link}";
1819		2285
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2286	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2287	}
1822		2288
1823	sub cf::object::player::leave_link {	2289	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2290	my ($self, $map, $x, $y) = @_;
		2291
		2292	return unless $self->contr->active;
1825		2293
1826	my $link_pos = delete $self->{_link_pos};	2294	my $link_pos = delete $self->{_link_pos};
1827		2295
1828	unless ($map) {	2296	unless ($map) {
1829	# restore original map position	2297	# restore original map position
…		…
1843	# use -1 or undef as default coordinates, not 0, 0	2311	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2312	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2313	if $x <=0 && $y <= 0;
1846		2314
1847	$map->load;	2315	$map->load;
1848	$map->load_diag;	2316	$map->load_neighbours;
1849		2317
1850	return unless $self->contr->active;	2318	return unless $self->contr->active;
1851	$self->activate_recursive;	2319	$self->activate_recursive;
1852		2320
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2321	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2322	$self->enter_map ($map, $x, $y);
1855	}	2323	}
1856		2324
1857	cf::player->attach (	2325	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	on_logout => sub {
1859	my ($pl) = @_;
1860		2326
1861	# abort map switching before logout	2327	Moves the player to the given map-path and coordinates by first freezing
1862	if ($pl->ob->{_link_pos}) {	2328	her, loading and preparing them map, calling the provided $check callback
1863	cf::sync_job {	2329	that has to return the map if sucecssful, and then unfreezes the player on
1864	$pl->ob->leave_link	2330	the new (success) or old (failed) map position. In either case, $done will
1865	};	2331	be called at the end of this process.
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2332
1871	# try to abort aborted map switching on player login :)
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888
1889	=item $player_object->goto ($path, $x, $y)
1890
1891	=cut	2333	=cut
		2334
		2335	our $GOTOGEN;
1892		2336
1893	sub cf::object::player::goto {	2337	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2338	my ($self, $path, $x, $y, $check, $done) = @_;
		2339
		2340	# do generation counting so two concurrent goto's will be executed in-order
		2341	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2342
1896	$self->enter_link;	2343	$self->enter_link;
1897		2344
1898	(async {	2345	(async {
1899	my $map = eval {	2346	my $map = eval {
1900	my $map = cf::map::find $path;	2347	my $map = cf::map::find $path;
		2348
		2349	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2350	$map = $map->customise_for ($self);
		2351	$map = $check->($map) if $check && $map;
		2352	} else {
		2353	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2354	}
		2355
1902	$map	2356	$map
		2357	};
		2358
		2359	if ($@) {
		2360	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2361	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2362	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2363
		2364	if ($gen == $self->{_goto_generation}) {
		2365	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2366	$self->leave_link ($map, $x, $y);
		2367	}
		2368
		2369	$done->() if $done;
1907	})->prio (1);	2370	})->prio (1);
1908	}	2371	}
1909		2372
1910	=item $player_object->enter_exit ($exit_object)	2373	=item $player_object->enter_exit ($exit_object)
1911		2374
…		…
1950		2413
1951	$rmp->{random_seed} ||= $exit->random_seed;	2414	$rmp->{random_seed} ||= $exit->random_seed;
1952		2415
1953	my $data = cf::to_json $rmp;	2416	my $data = cf::to_json $rmp;
1954	my $md5 = Digest::MD5::md5_hex $data;	2417	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2418	my $meta = "$RANDOMDIR/$md5.meta";
1956		2419
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2420	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2421	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2422	undef $fh;
1960	aio_rename "$meta~", $meta;	2423	aio_rename "$meta~", $meta;
…		…
1969		2432
1970	return unless $self->type == cf::PLAYER;	2433	return unless $self->type == cf::PLAYER;
1971		2434
1972	if ($exit->slaying eq "/!") {	2435	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job	2436	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2437	# the problem is that $exit might not survive long enough
		2438	# so it needs to be done right now, right here
1974	cf::sync_job { prepare_random_map $exit };	2439	cf::sync_job { prepare_random_map $exit };
1975	}	2440	}
1976		2441
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2442	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;	2443	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;	2444	my $sp = $exit->stats->sp;
1980		2445
1981	$self->enter_link;	2446	$self->enter_link;
		2447
		2448	# if exit is damned, update players death & WoR home-position
		2449	$self->contr->savebed ($slaying, $hp, $sp)
		2450	if $exit->flag (FLAG_DAMNED);
1982		2451
1983	(async {	2452	(async {
1984	$self->deactivate_recursive; # just to be sure	2453	$self->deactivate_recursive; # just to be sure
1985	unless (eval {	2454	unless (eval {
1986	$self->goto ($slaying, $hp, $sp);	2455	$self->goto ($slaying, $hp, $sp);
1987		2456
1988	1;	2457	1;
1989	}) {	2458	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2459	$self->message ("Something went wrong deep within the crossfire server. "
1991	. "I'll try to bring you back to the map you were before. "	2460	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2461	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2462	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2463
1995	warn "ERROR in enter_exit: $@";	2464	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2465	$self->leave_link;
1997	}	2466	}
1998	})->prio (1);	2467	})->prio (1);
…		…
2014		2483
2015	utf8::encode $text;	2484	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2485	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2486	}
2018		2487
		2488	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	Send a drawinfo or msg packet to the client, formatting the msg for the
		2491	client if neccessary. C<$type> should be a string identifying the type of
		2492	the message, with C<log> being the default. If C<$color> is negative, suppress
		2493	the message unless the client supports the msg packet.
		2494
		2495	=cut
		2496
		2497	sub cf::client::send_msg {
		2498	my ($self, $channel, $msg, $color, @extra) = @_;
		2499
		2500	$msg = $self->pl->expand_cfpod ($msg);
		2501
		2502	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2503
		2504	if (ref $channel) {
		2505	# send meta info to client, if not yet sent
		2506	unless (exists $self->{channel}{$channel->{id}}) {
		2507	$self->{channel}{$channel->{id}} = $channel;
		2508	$self->ext_msg (channel_info => $channel);
		2509	}
		2510
		2511	$channel = $channel->{id};
		2512	}
		2513
		2514	return unless @extra || length $msg;
		2515
		2516	if ($self->can_msg) {
		2517	# default colour, mask it out
		2518	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2519	if $color & cf::NDI_DEF;
		2520
		2521	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2522	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2523	} else {
		2524	if ($color >= 0) {
		2525	# replace some tags by gcfclient-compatible ones
		2526	for ($msg) {
		2527	1 while
		2528	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2529	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2530	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2531	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2532	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2533	}
		2534
		2535	$color &= cf::NDI_COLOR_MASK;
		2536
		2537	utf8::encode $msg;
		2538
		2539	if (0 && $msg =~ /\[/) {
		2540	# COMMAND/INFO
		2541	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2542	} else {
		2543	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2544	$self->send_packet ("drawinfo $color $msg")
		2545	}
		2546	}
		2547	}
		2548	}
		2549
		2550	=item $client->ext_msg ($type, @msg)
		2551
		2552	Sends an ext event to the client.
		2553
		2554	=cut
		2555
		2556	sub cf::client::ext_msg($$@) {
		2557	my ($self, $type, @msg) = @_;
		2558
		2559	my $extcmd = $self->extcmd;
		2560
		2561	if ($extcmd == 2) {
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2563	} elsif ($extcmd == 1) { # TODO: remove
		2564	push @msg, msgtype => "event_$type";
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2566	}
		2567	}
		2568
		2569	=item $client->ext_reply ($msgid, @msg)
		2570
		2571	Sends an ext reply to the client.
		2572
		2573	=cut
		2574
		2575	sub cf::client::ext_reply($$@) {
		2576	my ($self, $id, @msg) = @_;
		2577
		2578	if ($self->extcmd == 2) {
		2579	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2580	} elsif ($self->ns->extcmd == 1) {
		2581	#TODO: version 1, remove
		2582	unshift @msg, msgtype => "reply", msgid => $id;
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2584	}
		2585	}
2019		2586
2020	=item $success = $client->query ($flags, "text", \&cb)	2587	=item $success = $client->query ($flags, "text", \&cb)
2021		2588
2022	Queues a query to the client, calling the given callback with	2589	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2590	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2591	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		2592
2026	Queries can fail, so check the return code. Or don't, as queries will become	2593	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	2594	become reliable at some point in the future.
2028		2595
2029	=cut	2596	=cut
2030		2597
2031	sub cf::client::query {	2598	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	2599	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	2607	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2608	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		2609
2043	$self->send_packet ($self->{query_queue}[0][0])	2610	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	2611	if @{ $self->{query_queue} } == 1;
		2612
		2613	1
2045	}	2614	}
2046		2615
2047	cf::client->attach (	2616	cf::client->attach (
		2617	on_connect => sub {
		2618	my ($ns) = @_;
		2619
		2620	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2621	},
2048	on_reply => sub {	2622	on_reply => sub {
2049	my ($ns, $msg) = @_;	2623	my ($ns, $msg) = @_;
2050		2624
2051	# this weird shuffling is so that direct followup queries	2625	# this weird shuffling is so that direct followup queries
2052	# get handled first	2626	# get handled first
…		…
2064	} else {	2638	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2639	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	2640	}
2067	}	2641	}
2068	},	2642	},
		2643	on_exticmd => sub {
		2644	my ($ns, $buf) = @_;
		2645
		2646	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2647
		2648	if (ref $msg) {
		2649	my ($type, $reply, @payload) =
		2650	"ARRAY" eq ref $msg
		2651	? @$msg
		2652	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2653
		2654	my @reply;
		2655
		2656	if (my $cb = $EXTICMD{$type}) {
		2657	@reply = $cb->($ns, @payload);
		2658	}
		2659
		2660	$ns->ext_reply ($reply, @reply)
		2661	if $reply;
		2662
		2663	} else {
		2664	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2665	}
		2666
		2667	cf::override;
		2668	},
2069	);	2669	);
2070		2670
2071	=item $client->async (\&cb)	2671	=item $client->async (\&cb)
2072		2672
2073	Create a new coroutine, running the specified callback. The coroutine will	2673	Create a new coroutine, running the specified callback. The coroutine will
…		…
2114	our $safe = new Safe "safe";	2714	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	2715	our $safe_hole = new Safe::Hole;
2116		2716
2117	$SIG{FPE} = 'IGNORE';	2717	$SIG{FPE} = 'IGNORE';
2118		2718
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2719	$safe->permit_only (Opcode::opset qw(
		2720	:base_core :base_mem :base_orig :base_math
		2721	grepstart grepwhile mapstart mapwhile
		2722	sort time
		2723	));
2120		2724
2121	# here we export the classes and methods available to script code	2725	# here we export the classes and methods available to script code
2122		2726
2123	=pod	2727	=pod
2124		2728
2125	The following functions and methods are available within a safe environment:	2729	The following functions and methods are available within a safe environment:
2126		2730
2127	cf::object contr pay_amount pay_player map	2731	cf::object
		2732	contr pay_amount pay_player map x y force_find force_add
		2733	insert remove name archname title slaying race
		2734
2128	cf::object::player player	2735	cf::object::player
2129	cf::player peaceful	2736	player
2130	cf::map trigger	2737
		2738	cf::player
		2739	peaceful
		2740
		2741	cf::map
		2742	trigger
2131		2743
2132	=cut	2744	=cut
2133		2745
2134	for (	2746	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	2747	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2748	insert remove inv name archname title slaying race)],
2136	["cf::object::player" => qw(player)],	2749	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	2750	["cf::player" => qw(peaceful)],
2138	["cf::map" => qw(trigger)],	2751	["cf::map" => qw(trigger)],
2139	) {	2752	) {
2140	no strict 'refs';	2753	no strict 'refs';
…		…
2211	=back	2824	=back
2212		2825
2213	=cut	2826	=cut
2214		2827
2215	#############################################################################	2828	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	2829	# the server's init and main functions
2289		2830
2290	sub load_facedata {	2831	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	2832	my ($path) = @_;
		2833
		2834	my $enc = JSON::XS->new->utf8->canonical;
2292		2835
2293	warn "loading facedata from $path\n";	2836	warn "loading facedata from $path\n";
2294		2837
2295	my $faces;	2838	my $facedata;
2296	0 < aio_load $path, $faces	2839	0 < aio_load $path, $facedata
2297	or die "$path: $!";	2840	or die "$path: $!";
2298		2841
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	2842	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		2843
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	2844	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	2845	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		2846
		2847	# patch in the exptable
		2848	$facedata->{resource}{"res/exp_table"} = {
		2849	type => FT_RSRC,
		2850	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2851	};
		2852	cf::cede_to_tick;
		2853
		2854	{
		2855	my $faces = $facedata->{faceinfo};
		2856
2307	while (my ($face, $info) = each %$faces) {	2857	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2858	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2859	cf::face::set_visibility $idx, $info->{visibility};
		2860	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2861	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2862	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312	Coro::cede;
2313	}
2314		2863
		2864	cf::cede_to_tick;
		2865	}
		2866
2315	while (my ($face, $info) = each %$faces) {	2867	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	2868	next unless $info->{smooth};
2317	my $idx = cf::face::find $face	2869	my $idx = cf::face::find $face
2318	or next;	2870	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {	2871	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	2872	cf::face::set_smooth $idx, $smooth;
		2873	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321	} else {	2874	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	2875	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	2876	}
2324	Coro::cede;	2877
		2878	cf::cede_to_tick;
		2879	}
		2880	}
		2881
		2882	{
		2883	my $anims = $facedata->{animinfo};
		2884
		2885	while (my ($anim, $info) = each %$anims) {
		2886	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2887	cf::cede_to_tick;
		2888	}
		2889
		2890	cf::anim::invalidate_all; # d'oh
		2891	}
		2892
		2893	{
		2894	# TODO: for gcfclient pleasure, we should give resources
		2895	# that gcfclient doesn't grok a >10000 face index.
		2896	my $res = $facedata->{resource};
		2897
		2898	my $soundconf = delete $res->{"res/sound.conf"};
		2899
		2900	while (my ($name, $info) = each %$res) {
		2901	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2902	my $data;
		2903
		2904	if ($info->{type} & 1) {
		2905	# prepend meta info
		2906
		2907	my $meta = $enc->encode ({
		2908	name => $name,
		2909	%{ $info->{meta} || {} },
		2910	});
		2911
		2912	$data = pack "(w/a*)*", $meta, $info->{data};
		2913	} else {
		2914	$data = $info->{data};
		2915	}
		2916
		2917	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2918	cf::face::set_type $idx, $info->{type};
		2919
		2920	cf::cede_to_tick;
		2921	}
		2922
		2923	if ($soundconf) {
		2924	$soundconf = $enc->decode (delete $soundconf->{data});
		2925
		2926	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2927	my $sound = $soundconf->{compat}[$_]
		2928	or next;
		2929
		2930	my $face = cf::face::find "sound/$sound->[1]";
		2931	cf::sound::set $sound->[0] => $face;
		2932	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2933	}
		2934
		2935	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2936	my $face = cf::face::find "sound/$v";
		2937	cf::sound::set $k => $face;
		2938	}
		2939	}
2325	}	2940	}
2326		2941
2327	1	2942	1
2328	}	2943	}
2329		2944
		2945	register_exticmd fx_want => sub {
		2946	my ($ns, $want) = @_;
		2947
		2948	while (my ($k, $v) = each %$want) {
		2949	$ns->fx_want ($k, $v);
		2950	}
		2951	};
		2952
		2953	sub reload_regions {
		2954	load_resource_file "$MAPDIR/regions"
		2955	or die "unable to load regions file\n";
		2956
		2957	for (cf::region::list) {
		2958	$_->{match} = qr/$_->{match}/
		2959	if exists $_->{match};
		2960	}
		2961	}
		2962
		2963	sub reload_facedata {
		2964	load_facedata "$DATADIR/facedata"
		2965	or die "unable to load facedata\n";
		2966	}
		2967
		2968	sub reload_archetypes {
		2969	load_resource_file "$DATADIR/archetypes"
		2970	or die "unable to load archetypes\n";
		2971	#d# NEED to laod twice to resolve forward references
		2972	# this really needs to be done in an extra post-pass
		2973	# (which needs to be synchronous, so solve it differently)
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	}
		2977
		2978	sub reload_treasures {
		2979	load_resource_file "$DATADIR/treasures"
		2980	or die "unable to load treasurelists\n";
		2981	}
		2982
2330	sub reload_resources {	2983	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2984	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	2985
		2986	reload_regions;
2333	load_facedata	2987	reload_facedata;
2334	or die "unable to load facedata\n";#d#	2988	#reload_archetypes;#d#
		2989	reload_archetypes;
		2990	reload_treasures;
		2991
		2992	warn "finished reloading resource files\n";
2335	}	2993	}
2336		2994
2337	sub init {	2995	sub init {
2338	reload_resources;	2996	reload_resources;
2339	}	2997	}
2340		2998
2341	sub cfg_load {	2999	sub cfg_load {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3000	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3001	or return;
2344		3002
2345	local $/;	3003	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3004	*CFG = YAML::Syck::Load <$fh>;
2347		3005
…		…
2392	},	3050	},
2393	);	3051	);
2394	}	3052	}
2395	}	3053	}
2396		3054
		3055	sub write_runtime {
		3056	my $runtime = "$LOCALDIR/runtime";
		3057
		3058	# first touch the runtime file to show we are still running:
		3059	# the fsync below can take a very very long time.
		3060
		3061	IO::AIO::aio_utime $runtime, undef, undef;
		3062
		3063	my $guard = cf::lock_acquire "write_runtime";
		3064
		3065	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3066	or return;
		3067
		3068	my $value = $cf::RUNTIME + 90 + 10;
		3069	# 10 is the runtime save interval, for a monotonic clock
		3070	# 60 allows for the watchdog to kill the server.
		3071
		3072	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3073	and return;
		3074
		3075	# always fsync - this file is important
		3076	aio_fsync $fh
		3077	and return;
		3078
		3079	# touch it again to show we are up-to-date
		3080	aio_utime $fh, undef, undef;
		3081
		3082	close $fh
		3083	or return;
		3084
		3085	aio_rename "$runtime~", $runtime
		3086	and return;
		3087
		3088	warn "runtime file written.\n";
		3089
		3090	1
		3091	}
		3092
2397	sub emergency_save() {	3093	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3094	my $freeze_guard = cf::freeze_mainloop;
2399		3095
2400	warn "enter emergency perl save\n";	3096	warn "enter emergency perl save\n";
2401		3097
…		…
2432		3128
2433	warn Carp::longmess "post_cleanup backtrace"	3129	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3130	if $make_core;
2435	}	3131	}
2436		3132
2437	sub reload() {	3133	sub do_reload_perl() {
2438	# can/must only be called in main	3134	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3135	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	3136	warn "can only reload from main coroutine";
2441	return;	3137	return;
2442	}	3138	}
…		…
2476	%EXT_CORO = ();	3172	%EXT_CORO = ();
2477		3173
2478	warn "removing commands";	3174	warn "removing commands";
2479	%COMMAND = ();	3175	%COMMAND = ();
2480		3176
2481	warn "removing ext commands";	3177	warn "removing ext/exti commands";
2482	%EXTCMD = ();	3178	%EXTCMD = ();
		3179	%EXTICMD = ();
2483		3180
2484	warn "unloading/nuking all extensions";	3181	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	3182	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	3183	warn "... unloading $pkg";
2487		3184
…		…
2517	Symbol::delete_package "safe::$_"	3214	Symbol::delete_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3215	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3216
2520	warn "unloading cf.pm \"a bit\"";	3217	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3218	delete $INC{"cf.pm"};
		3219	delete $INC{"cf/pod.pm"};
2522		3220
2523	# don't, removes xs symbols, too,	3221	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3222	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3223	#Symbol::delete_package __PACKAGE__;
2526		3224
…		…
2541	warn "reattaching attachments to maps";	3239	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3240	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3241	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3242	reattach $_ for values %PLAYER;
2545		3243
2546	warn "loading reloadable resources";
2547	reload_resources;
2548
2549	warn "leaving sync_job";	3244	warn "leaving sync_job";
2550		3245
2551	1	3246	1
2552	} or do {	3247	} or do {
2553	warn $@;	3248	warn $@;
…		…
2558	warn "reloaded";	3253	warn "reloaded";
2559	};	3254	};
2560		3255
2561	our $RELOAD_WATCHER; # used only during reload	3256	our $RELOAD_WATCHER; # used only during reload
2562		3257
		3258	sub reload_perl() {
		3259	# doing reload synchronously and two reloads happen back-to-back,
		3260	# coro crashes during coro_state_free->destroy here.
		3261
		3262	$RELOAD_WATCHER ||= Event->timer (
		3263	reentrant => 0,
		3264	after => 0,
		3265	data => WF_AUTOCANCEL,
		3266	cb => sub {
		3267	do_reload_perl;
		3268	undef $RELOAD_WATCHER;
		3269	},
		3270	);
		3271	}
		3272
2563	register_command "reload" => sub {	3273	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3274	my ($who, $arg) = @_;
2565		3275
2566	if ($who->flag (FLAG_WIZ)) {	3276	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3277	$who->message ("reloading server.");
2568		3278	async { reload_perl };
2569	# doing reload synchronously and two reloads happen back-to-back,
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);
2581	}	3279	}
2582	};	3280	};
2583		3281
2584	unshift @INC, $LIBDIR;	3282	unshift @INC, $LIBDIR;
2585		3283
2586	my $bug_warning = 0;	3284	my $bug_warning = 0;
2587		3285
		3286	our @WAIT_FOR_TICK;
		3287	our @WAIT_FOR_TICK_BEGIN;
		3288
		3289	sub wait_for_tick {
		3290	return unless $TICK_WATCHER->is_active;
		3291	return if $Coro::current == $Coro::main;
		3292
		3293	my $signal = new Coro::Signal;
		3294	push @WAIT_FOR_TICK, $signal;
		3295	$signal->wait;
		3296	}
		3297
		3298	sub wait_for_tick_begin {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK_BEGIN, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	my $min = 1e6;#d#
		3308	my $avg = 10;
2588	$TICK_WATCHER = Event->timer (	3309	$TICK_WATCHER = Event->timer (
2589	reentrant => 0,	3310	reentrant => 0,
2590	parked => 1,	3311	parked => 1,
2591	prio => 0,	3312	prio => 0,
2592	at => $NEXT_TICK || $TICK,	3313	at => $NEXT_TICK || $TICK,
…		…
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3317	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	3318	unless ++$bug_warning > 10;
2598	return;	3319	return;
2599	}	3320	}
2600		3321
2601	$NOW = Event::time;	3322	$NOW = $tick_start = Event::time;
2602		3323
2603	cf::server_tick; # one server iteration	3324	cf::server_tick; # one server iteration
		3325
		3326	0 && sync_job {#d#
		3327	for(1..10) {
		3328	my $t = Event::time;
		3329	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3330	or die;
		3331
		3332	$map->width (50);
		3333	$map->height (50);
		3334	$map->alloc;
		3335	$map->_load_objects ("/tmp/x.map", 1);
		3336	my $t = Event::time - $t;
		3337
		3338	#next unless $t < 0.0013;#d#
		3339	if ($t < $min) {
		3340	$min = $t;
		3341	}
		3342	$avg = $avg * 0.99 + $t * 0.01;
		3343	}
		3344	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3345	exit 0;
		3346	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3347	};
		3348
2604	$RUNTIME += $TICK;	3349	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;	3350	$NEXT_TICK += $TICK;
2606		3351
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3352	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	3353	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2610	write_runtime	3355	write_runtime
2611	or warn "ERROR: unable to write runtime file: $!";	3356	or warn "ERROR: unable to write runtime file: $!";
2612	};	3357	};
2613	}	3358	}
2614		3359
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;	3360	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#	3361	# warn $AFTER - $NOW;#d#
2620		3362
		3363	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3364	$sig->send;
		3365	}
		3366	while (my $sig = shift @WAIT_FOR_TICK) {
		3367	$sig->send;
		3368	}
		3369
		3370	$NOW = Event::time;
		3371
2621	# if we are delayed by four ticks or more, skip them all	3372	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3373	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2623		3374
2624	$TICK_WATCHER->at ($NEXT_TICK);	3375	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;	3376	$TICK_WATCHER->start;
		3377
		3378	$LOAD = ($NOW - $tick_start) / $TICK;
		3379	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3380
		3381	_post_tick;
		3382
		3383
2626	},	3384	},
2627	);	3385	);
2628		3386
2629	{	3387	{
2630	BDB::max_poll_time $TICK * 0.1;	3388	BDB::max_poll_time $TICK * 0.1;
…		…
2658		3416
2659	cf::sync_job {	3417	cf::sync_job {
2660	eval {	3418	eval {
2661	BDB::db_env_open	3419	BDB::db_env_open
2662	$DB_ENV,	3420	$DB_ENV,
2663	$BDB_ENV_DIR,	3421	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3422	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3423	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3424	0666;
2667		3425
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3426	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669		3427
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3428	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;	3429	$DB_ENV->set_lk_detect;
2672	};	3430	};
2673		3431
…		…
2689	prio => 6,	3447	prio => 6,
2690	cb => \&IO::AIO::poll_cb,	3448	cb => \&IO::AIO::poll_cb,
2691	);	3449	);
2692	}	3450	}
2693		3451
		3452	my $_log_backtrace;
		3453
		3454	sub _log_backtrace {
		3455	my ($msg, @addr) = @_;
		3456
		3457	$msg =~ s/\n//;
		3458
		3459	# limit the # of concurrent backtraces
		3460	if ($_log_backtrace < 2) {
		3461	++$_log_backtrace;
		3462	async {
		3463	my @bt = fork_call {
		3464	@addr = map { sprintf "%x", $_ } @addr;
		3465	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3466	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3467	or die "addr2line: $!";
		3468
		3469	my @funcs;
		3470	my @res = <$fh>;
		3471	chomp for @res;
		3472	while (@res) {
		3473	my ($func, $line) = splice @res, 0, 2, ();
		3474	push @funcs, "[$func] $line";
		3475	}
		3476
		3477	@funcs
		3478	};
		3479
		3480	LOG llevInfo, "[ABT] $msg\n";
		3481	LOG llevInfo, "[ABT] $_\n" for @bt;
		3482	--$_log_backtrace;
		3483	};
		3484	} else {
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] [suppressed]\n";
		3487	}
		3488	}
		3489
		3490	# load additional modules
		3491	use cf::pod;
		3492
2694	END { cf::emergency_save }	3493	END { cf::emergency_save }
2695		3494
2696	1	3495	1
2697		3496

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