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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	80
		81	our $CONFDIR = confdir;
		82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
60		93
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	97	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		99
69	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	104	our $DB_ENV;
71		105
72	our %CFG;	106	our %CFG;
73		107
74	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
76		111
77	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		115
83	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
86	binmode STDOUT;	124	binmode STDOUT;
87	binmode STDERR;	125	binmode STDERR;
88		126
89	# read virtual server time, if available	127	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
94	}	132	}
95		133
96	mkdir cf::localdir;	134	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		136
103	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
104		138
105	sub cf::map::normalise;	139	sub cf::map::normalise;
106		140
…		…
117	=item $cf::RUNTIME	151	=item $cf::RUNTIME
118		152
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	154	every server tick.
121		155
122	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		159
124	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
126		164
127	=item $cf::NOW	165	=item $cf::NOW
128		166
129	The time of the last (current) server tick.	167	The time of the last (current) server tick.
130		168
131	=item $cf::TICK	169	=item $cf::TICK
132		170
133	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
134		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
135	=item %cf::CFG	183	=item %cf::CFG
136		184
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	186	from wherever your confdir points to.
139		187
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		189
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
146	=back	200	=back
147		201
148	=cut	202	=cut
149		203
150	BEGIN {	204	BEGIN {
…		…
152	my $msg = join "", @_;	206	my $msg = join "", @_;
153		207
154	$msg .= "\n"	208	$msg .= "\n"
155	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
156		210
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		212
159	utf8::encode $msg;
160	LOG llevError, $msg;	213	LOG llevError, $msg;
161	};	214	};
162	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
163		231
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		239
171	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	241	# within the Safe compartment.
173	for my $pkg (qw(	242	for my $pkg (qw(
174	cf::global cf::attachable	243	cf::global cf::attachable
…		…
179	)) {	248	)) {
180	no strict 'refs';	249	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	251	}
183		252
184	$Event::DIED = sub {	253	$EV::DIED = sub {
185	warn "error in event callback: @_";	254	warn "error in event callback: @_";
186	};	255	};
		256
		257	#############################################################################
187		258
188	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
189		260
190	=over 4	261	=over 4
191		262
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	282	$d
212	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
213	}	284	}
214		285
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
218		287
219	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
220		289
221	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
222		291
223	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
224		300
225	=item cf::lock_wait $string	301	=item cf::lock_wait $string
226		302
227	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
228		304
…		…
231	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
234	returned.	310	returned.
235		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
236	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
238		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
239	=cut	322	=cut
240		323
241	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
242		326
243	sub lock_wait($) {	327	sub lock_wait($) {
244	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
245		334
246	# wait for lock, if any	335	# wait for lock, if any
247	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	338	Coro::schedule;
…		…
255		344
256	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
257	lock_wait $key;	346	lock_wait $key;
258		347
259	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
260		350
261	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
264	}	355	}
265	}	356	}
266		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
267	sub freeze_mainloop {	364	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
269		366
270	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
271	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
272	};	428	}
273	$TICK_WATCHER->stop;	429	};
274	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
275	}	441	}
276		442
277	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
278		444
279	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		450
285	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
286		452
287	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
288		454
289	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
292		459
293	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
296	fast or be very important.	463	fast or be very important.
…		…
299		466
300	sub sync_job(&) {	467	sub sync_job(&) {
301	my ($job) = @_;	468	my ($job) = @_;
302		469
303	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
304	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
306		475
307	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	477
309	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
310		479
311	my $busy = 1;	480	my $busy = 1;
312	my @res;	481	my @res;
313		482
314	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	485	@res = eval { $job->() };
316	warn $@ if $@;	486	warn $@ if $@;
317	undef $busy;	487	undef $busy;
318	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
319		489
320	while ($busy) {	490	while ($busy) {
321	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
322	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
323		501
324	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
325	} else {	503	} else {
326	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
327		505
…		…
347	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
348		526
349	$coro	527	$coro
350	}	528	}
351		529
352	sub write_runtime {	530	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		531
355	my $runtime = cf::localdir . "/runtime";	532	Executes the given code block with the given arguments in a seperate
		533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
356		536
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
358	or return;
359		538
360	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		541
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
365	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
366		545
367	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	547	reset_signals;
369	and return;	548	&$cb
		549	}, @args;
370		550
371	close $fh	551	wantarray ? @res : $res[-1]
372	or return;	552	}
373		553
374	aio_rename "$runtime~", $runtime	554	=item $coin = coin_from_name $name
375	and return;
376		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
377	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
378	}	706	}
379		707
380	=item cf::datalog type => key => value, ...	708	=item cf::datalog type => key => value, ...
381		709
382	Log a datalog packet of the given type with the given key-value pairs.	710	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
402		730
403	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	733	Deliantra).
406		734
407	=over 4	735	=over 4
408		736
409	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
410		738
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
574		902
575	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		907
580	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	909	my $pkg = shift @arg;
582		910
583	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
613	}	941	}
614		942
615	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
616	} else {	944	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	946	}
619		947
620	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
621	}	949	}
622		950
…		…
624	if (ref $_[0]) {	952	if (ref $_[0]) {
625	_object_attach @_;	953	_object_attach @_;
626	} else {	954	} else {
627	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
628	}	956	}
		957	_recalc_want;
629	};	958	};
630		959
631	# all those should be optimised	960	# all those should be optimised
632	sub cf::attachable::detach {	961	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
637	reattach ($obj);	966	reattach ($obj);
638	} else {	967	} else {
639	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
640	}	969	}
		970	_recalc_want;
641	};	971	};
642		972
643	sub cf::attachable::attached {	973	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
645		975
…		…
660	";	990	";
661	die if $@;	991	die if $@;
662	}	992	}
663		993
664	our $override;	994	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		996
667	sub override {	997	sub override {
668	$override = 1;	998	$override = 1;
669	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
670	}	1000	}
671		1001
672	sub do_invoke {	1002	sub do_invoke {
673	my $event = shift;	1003	my $event = shift;
674	my $callbacks = shift;	1004	my $callbacks = shift;
675		1005
676	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
677		1007
678	local $override;	1008	local $override;
679		1009
680	for (@$callbacks) {	1010	for (@$callbacks) {
681	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
690	}	1020	}
691		1021
692	0	1022	0
693	}	1023	}
694		1024
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1026
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1028
699	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
700		1030
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1034
705	=back	1035	=back
706		1036
707	=cut	1037	=cut
708		1038
709	#############################################################################	1039	#############################################################################
710	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
711		1083
712	sub reattach {	1084	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1086	my ($obj) = @_;
715		1087
…		…
736	cf::attachable->attach (	1108	cf::attachable->attach (
737	prio => -1000000,	1109	prio => -1000000,
738	on_instantiate => sub {	1110	on_instantiate => sub {
739	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
740		1112
741	$data = from_json $data;	1113	$data = decode_json $data;
742		1114
743	for (@$data) {	1115	for (@$data) {
744	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
745		1117
746	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1134	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
764		1136
765	sync_job {	1137	sync_job {
766	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
769		1142
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1147	close $fh;
775		1148
776	if (@$objs) {	1149	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1155	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
784	}	1157	}
…		…
792	}	1165	}
793	} else {	1166	} else {
794	aio_unlink $filename;	1167	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
796	}	1169	}
797	}	1170	};
798	}	1171	}
799		1172
800	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
802		1175
…		…
814	or return;	1187	or return;
815		1188
816	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
818	or return;	1191	or return;
		1192
819	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
820	}	1195	}
821		1196
		1197	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
824	return ($data, $av);	1201	($data, $av)
825	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
826		1209
827	#############################################################################	1210	#############################################################################
828	# command handling &c	1211	# command handling &c
829		1212
830	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1227	}
845		1228
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1230
848	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
849		1236
850	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
851	called.	1238	called.
852		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
853	=cut	1251	=cut
854		1252
855	sub register_extcmd {	1253	sub register_extcmd {
856	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
857		1255
858	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
859	}	1263	}
860		1264
861	cf::player->attach (	1265	cf::player->attach (
862	on_command => sub {	1266	on_command => sub {
863	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1276	cf::override;
873	},	1277	},
874	on_extcmd => sub {	1278	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
876		1280
877	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1282
879	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
885	} else {	1298	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1300	}
888		1301
889	cf::override;	1302	cf::override;
890	},	1303	},
891	);	1304	);
892		1305
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
928	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1311	next unless -r $path;
930	eval {	1312
931	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
932	1	1369	}
933	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
934	}	1375	};
935	}	1376	}
936		1377
937	#############################################################################	1378	#############################################################################
938		1379
		1380	=back
		1381
939	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
940		1383
941	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
942		1385
943	=cut	1386	=cut
…		…
948		1391
949	=head3 cf::player	1392	=head3 cf::player
950		1393
951	=over 4	1394	=over 4
952		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
		1409
953	=item cf::player::find $login	1410	=item cf::player::find $login
954		1411
955	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
956		1413
957	=cut	1414	=cut
958		1415
959	sub playerdir($) {	1416	sub playerdir($) {
960	cf::localdir	1417	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1419	}
966		1420
967	sub path($) {	1421	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
999		1453
1000	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1003	}	1462	}
1004	}	1463	}
1005	}	1464	}
1006		1465
…		…
1016		1475
1017	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1019		1478
1020	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1021	Coro::cede;	1480	cf::cede_to_tick;
1022	}	1481	}
1023		1482
1024	sub new($) {	1483	sub new($) {
1025	my ($login) = @_;	1484	my ($login) = @_;
1026		1485
…		…
1030	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1031		1490
1032	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1033		1492
1034	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1035	}	1504	}
1036		1505
1037	=item $pl->quit_character	1506	=item $pl->quit_character
1038		1507
1039	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1089		1558
1090	=cut	1559	=cut
1091		1560
1092	sub list_logins {	1561	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1563	or return [];
1095		1564
1096	my @logins;	1565	my @logins;
1097		1566
1098	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1102		1576
1103	utf8::decode $login;	1577	utf8::decode $login;
1104	push @logins, $login;	1578	push @logins, $login;
1105	}	1579	}
1106		1580
…		…
1133	}	1607	}
1134		1608
1135	\@paths	1609	\@paths
1136	}	1610	}
1137		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1138	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1139		1706
1140	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1141		1708
1142	=cut	1709	=cut
1143		1710
1144	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1146		1713
1147	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1715	}
1151		1716
1152	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1153		1718
1154	Sends an ext event to the client.	1719	Sends an ext event to the client.
1155		1720
1156	=cut	1721	=cut
1157		1722
1158	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1160		1725
1161	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1162	}	1727	}
1163		1728
1164	=head3 cf::region	1729	=head3 cf::region
1165		1730
1166	=over 4	1731	=over 4
…		…
1169		1734
1170	package cf::region;	1735	package cf::region;
1171		1736
1172	=item cf::region::find_by_path $path	1737	=item cf::region::find_by_path $path
1173		1738
1174	Tries to decuce the probable region for a map knowing only its path.	1739	Tries to decuce the likely region for a map knowing only its path.
1175		1740
1176	=cut	1741	=cut
1177		1742
1178	sub find_by_path($) {	1743	sub find_by_path($) {
1179	my ($path) = @_;	1744	my ($path) = @_;
1180		1745
1181	my ($match, $specificity);	1746	my ($match, $specificity);
1182		1747
1183	for my $region (list) {	1748	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1187	}	1752	}
1188	}	1753	}
1189		1754
…		…
1210	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1212		1777
1213	sub generate_random_map {	1778	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1215	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1784	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1253	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1254		1822
1255	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1256	local $self->{path};	1824	local $self->{path};
1257	local $self->{load_path};	1825	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1826
1261	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1262	}	1828	}
1263		1829
1264	sub normalise {	1830	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1312	return $self;	1878	return $self;
1313	}	1879	}
1314	}	1880	}
1315		1881
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1883	()
1318	}	1884	}
1319		1885
1320	sub init {	1886	sub init {
1321	my ($self) = @_;	1887	my ($self) = @_;
…		…
1336		1902
1337	# the original (read-only) location	1903	# the original (read-only) location
1338	sub load_path {	1904	sub load_path {
1339	my ($self) = @_;	1905	my ($self) = @_;
1340		1906
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1907	"$MAPDIR/$self->{path}.map"
1342	}	1908	}
1343		1909
1344	# the temporary/swap location	1910	# the temporary/swap location
1345	sub save_path {	1911	sub save_path {
1346	my ($self) = @_;	1912	my ($self) = @_;
1347		1913
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1915	"$TMPDIR/$path.map"
1350	}	1916	}
1351		1917
1352	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1353	sub uniq_path {	1919	sub uniq_path {
1354	my ($self) = @_;	1920	my ($self) = @_;
1355		1921
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1923	"$UNIQUEDIR/$path"
1358	}	1924	}
1359		1925
1360	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1361	# all maps in C++...	1927	# all maps in C++...
1362	sub change_all_map_light {	1928	sub change_all_map_light {
…		…
1364		1930
1365	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1367	}	1933	}
1368		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1369	sub unlink_save {	1943	sub unlink_save {
1370	my ($self) = @_;	1944	my ($self) = @_;
1371		1945
1372	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1950
1377	sub load_header_from($) {	1951	sub load_header_from($) {
1378	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1379		1953
1380	utf8::encode $path;	1954	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1386		1963
1387	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1388		1965
1389	1	1966	1
1390	}	1967	}
…		…
1429	$self->load_header_orig	2006	$self->load_header_orig
1430	or return;	2007	or return;
1431	$self->prepare_orig;	2008	$self->prepare_orig;
1432	}	2009	}
1433		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
1434	$self->default_region (cf::region::find_by_path $self->{path})	2014	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2015	unless $self->default_region;
1436		2016
1437	1	2017	1
1438	}	2018	}
…		…
1441	sub find {	2021	sub find {
1442	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1443		2023
1444	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1445		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1447		2028
1448	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1450	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1451	or return;	2034	or return;
1452		2035
1453	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1454		2037
1455	$map->load_header	2038	$map->load_header
1456	or return;	2039	or return;
1457		2040
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1461	$map->reset;	2046	$map->reset;
1462	undef $guard;
1463	return find $path;	2047	return find $path;
1464	}	2048	}
1465		2049
1466	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1467	}	2051	}
…		…
1474	my ($self) = @_;	2058	my ($self) = @_;
1475		2059
1476	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1477		2061
1478	my $path = $self->{path};	2062	my $path = $self->{path};
		2063
		2064	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1480		2066
		2067	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2069
1483	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1484		2071
1485	$self->alloc;	2072	$self->alloc;
1486		2073
1487	$self->pre_load;	2074	$self->pre_load;
1488	Coro::cede;	2075	cf::cede_to_tick;
1489		2076
1490	$self->_load_objects ($self->{load_path}, 1)	2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
		2079	$self->_load_objects ($f)
1491	or return;	2080	or return;
1492		2081
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	2083	if delete $self->{load_original};
1495		2084
1496	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2086	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2089	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1501	}	2093	}
1502	}	2094	}
1503		2095
1504	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1505	# now do the right thing for maps	2099	# now do the right thing for maps
1506	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2102	unless $self->difficulty;
1517	Coro::cede;	2103	cf::cede_to_tick;
		2104
		2105	unless ($self->{deny_activate}) {
		2106	$self->decay_objects;
		2107	$self->fix_auto_apply;
		2108	$self->update_buttons;
		2109	cf::cede_to_tick;
		2110	$self->set_darkness_map;
		2111	cf::cede_to_tick;
1518	$self->activate;	2112	$self->activate;
1519	Coro::cede;	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
		2117
		2118	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	2119	}
1521		2120
1522	$self->post_load;	2121	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2122	}
1527		2123
1528	sub customise_for {	2124	sub customise_for {
1529	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1530		2126
1531	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2128	if $self->per_player;
1533		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1534	$self	2133	$self
1535	}	2134	}
1536		2135
1537	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2137	sub load_neighbours {
1539	my ($map) = @_;	2138	my ($map) = @_;
1540		2139
1541	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1542		2141
1543	for (0 .. 3) {	2142	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1545	or next;	2144	or next;
1546	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1547	or next;	2146	or next;
1548	$neigh->load;	2147	$neigh->load;
1549		2148
		2149	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2152	}
1553		2153
1554	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1556	or next;	2157	or next;
1557	$neigh->load;	2158	$neigh->load;
1558	}	2159	}
1559	}	2160	}
1560		2161
…		…
1565	}	2166	}
1566		2167
1567	sub do_load_sync {	2168	sub do_load_sync {
1568	my ($map) = @_;	2169	my ($map) = @_;
1569		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1570	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1571	}	2175	}
1572		2176
1573	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1575		2179
1576	sub find_async {	2180	sub find_async {
1577	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1578		2182
1579	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1580		2184
1581	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	2187	}
1584		2188
1585	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1586	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1587	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2196	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2197	$map->load if $v;
		2198	}
1592		2199
1593	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1594	}	2201	}
1595	}	2202	}
1596	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1597	};	2204	};
1598	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2208	}
1602		2209
1603	sub save {	2210	sub save {
1604	my ($self) = @_;	2211	my ($self) = @_;
1605		2212
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2214
1608	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1609		2216
1610	return unless $self->dirty;	2217	return unless $self->dirty;
1611		2218
…		…
1617	return if $self->{deny_save};	2224	return if $self->{deny_save};
1618		2225
1619	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1620		2227
1621	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1623	};	2231	};
1624		2232
1625	if ($uniq) {	2233	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1634	my ($self) = @_;	2242	my ($self) = @_;
1635		2243
1636	# save first because save cedes	2244	# save first because save cedes
1637	$self->save;	2245	$self->save;
1638		2246
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2248
1641	return if $self->players;	2249	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2251	return if $self->{deny_save};
1644		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2257	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2258	}
1648		2259
1649	sub reset_at {	2260	sub reset_at {
1650	my ($self) = @_;	2261	my ($self) = @_;
1651		2262
1652	# TODO: safety, remove and allow resettable per-player maps	2263	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2264	return 1e99 if $self->{deny_reset};
1655		2265
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2268
…		…
1669	my ($self) = @_;	2279	my ($self) = @_;
1670		2280
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2282
1673	return if $self->players;	2283	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2284
1676	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
1677		2286
1678	$self->in_memory (cf::MAP_SWAPPED);	2287	$self->in_memory (cf::MAP_SWAPPED);
1679		2288
1680	# need to save uniques path	2289	# need to save uniques path
1681	unless ($self->{deny_save}) {	2290	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2294	if $uniq;
1686	}	2295	}
1687		2296
1688	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1689		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2301	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2302
1694	$self->unlink_save;	2303	$self->unlink_save;
1695	$self->destroy;	2304	$self->destroy;
1696	}	2305	}
1697		2306
1698	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1699		2308
1700	sub nuke {	2309	sub nuke {
1701	my ($self) = @_;	2310	my ($self) = @_;
1702		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1703	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1704		2316
1705	$self->unlink_save;	2317	$self->unlink_save;
1706		2318
1707	bless $self, "cf::map";	2319	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2324
1713	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1714		2327
1715	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
		2329	}
		2330
		2331	=item $maps = cf::map::tmp_maps
		2332
		2333	Returns an arrayref with all map paths of currently instantiated and saved
		2334	maps. May block.
		2335
		2336	=cut
		2337
		2338	sub tmp_maps() {
		2339	[
		2340	map {
		2341	utf8::decode $_;
		2342	/\.map$/
		2343	? normalise $_
		2344	: ()
		2345	} @{ aio_readdir $TMPDIR or [] }
		2346	]
		2347	}
		2348
		2349	=item $maps = cf::map::random_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	random maps. May block.
		2353
		2354	=cut
		2355
		2356	sub random_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise "?random/$_"
		2362	: ()
		2363	} @{ aio_readdir $RANDOMDIR or [] }
		2364	]
1716	}	2365	}
1717		2366
1718	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1719		2368
1720	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2370	instantiated unique items. May block.
1722		2371
1723	=cut	2372	=cut
1724		2373
1725	sub unique_maps() {	2374	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2375	[
1727	or return;	2376	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2377	utf8::decode $_;
1733	next if /\.pst$/;	2378	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2380	? ()
1736	push @paths, cf::map::normalise $_;	2381	: normalise $_
		2382	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2383	]
1738
1739	\@paths
1740	}	2384	}
1741
1742	package cf;
1743		2385
1744	=back	2386	=back
1745		2387
1746	=head3 cf::object	2388	=head3 cf::object
1747		2389
…		…
1751		2393
1752	=over 4	2394	=over 4
1753		2395
1754	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
1755		2397
1756	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
1757		2400
1758	=cut	2401	=cut
1759		2402
1760	sub inv_recursive_;	2403	sub inv_recursive_;
1761	sub inv_recursive_ {	2404	sub inv_recursive_ {
1762	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
1763	}	2406	}
1764		2407
1765	sub inv_recursive {	2408	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
1767	}	2438	}
1768		2439
1769	package cf;	2440	package cf;
1770		2441
1771	=back	2442	=back
…		…
1790		2461
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2462	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2463
1793	if ($self->{record_replies}) {	2464	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2465	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2466
1795	} else {	2467	} else {
		2468	my $pl = $self->contr;
		2469
		2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2471	my $dialog = $pl->{npc_dialog};
		2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2473
		2474	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
		2477	}
1798	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
1799	}	2489	}
1800		2490
1801	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
1802		2492
1803	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2540	$self->deactivate_recursive;
1851		2541
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2542	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2543
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2544	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2545	if $self->map && $self->map->{path} ne "{link}";
1856		2546
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2547	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2548	}
1859		2549
1860	sub cf::object::player::leave_link {	2550	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2551	my ($self, $map, $x, $y) = @_;
		2552
		2553	return unless $self->contr->active;
1862		2554
1863	my $link_pos = delete $self->{_link_pos};	2555	my $link_pos = delete $self->{_link_pos};
1864		2556
1865	unless ($map) {	2557	unless ($map) {
1866	# restore original map position	2558	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
1883		2575
1884	$map->load;	2576	$map->load;
1885	$map->load_diag;	2577	$map->load_neighbours;
1886		2578
1887	return unless $self->contr->active;	2579	return unless $self->contr->active;
1888	$self->activate_recursive;	2580	$self->activate_recursive;
1889		2581
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
1892	}	2584	}
1893		2585
1894	cf::player->attach (	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2587
1898	# abort map switching before logout	2588	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2589	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2590	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2591	the new (success) or old (failed) map position. In either case, $done will
1902	};	2592	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2593
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2594	=cut
		2595
		2596	our $GOTOGEN;
1929		2597
1930	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
		2600
		2601	# do generation counting so two concurrent goto's will be executed in-order
		2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2603
1933	$self->enter_link;	2604	$self->enter_link;
1934		2605
1935	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
1936	my $map = eval {	2628	my $map = eval {
1937	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
		2630
		2631	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2632	$map = $map->customise_for ($self);
		2633	$map = $check->($map) if $check && $map;
		2634	} else {
		2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2636	}
		2637
1939	$map	2638	$map
		2639	};
		2640
		2641	if ($@) {
		2642	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2644	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2645
		2646	if ($gen == $self->{_goto_generation}) {
		2647	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
		2649	}
		2650
		2651	$done->() if $done;
1944	})->prio (1);	2652	})->prio (1);
1945	}	2653	}
1946		2654
1947	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
1948		2656
…		…
1985	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
1986	}	2694	}
1987		2695
1988	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
1989		2697
1990	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
1993		2701
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2704	undef $fh;
1997	aio_rename "$meta~", $meta;	2705	aio_rename "$meta~", $meta;
…		…
2017	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
2019		2727
2020	$self->enter_link;	2728	$self->enter_link;
2021		2729
		2730	# if exit is damned, update players death & WoR home-position
		2731	$self->contr->savebed ($slaying, $hp, $sp)
		2732	if $exit->flag (FLAG_DAMNED);
		2733
2022	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2023	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2738	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2026		2740
2027	1;	2741	1;
…		…
2053		2767
2054	utf8::encode $text;	2768	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2770	}
2057		2771
		2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2773
		2774	Send a drawinfo or msg packet to the client, formatting the msg for the
		2775	client if neccessary. C<$type> should be a string identifying the type of
		2776	the message, with C<log> being the default. If C<$color> is negative, suppress
		2777	the message unless the client supports the msg packet.
		2778
		2779	=cut
		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
		2833	sub cf::client::send_msg {
		2834	my ($self, $channel, $msg, $color, @extra) = @_;
		2835
		2836	$msg = $self->pl->expand_cfpod ($msg);
		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
		2860	return unless @extra || length $msg;
		2861
		2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2869	} else {
		2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
		2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
		2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2888	} else {
		2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2890	$self->send_packet ("drawinfo $color $msg")
		2891	}
		2892	}
		2893	}
		2894	}
		2895
2058	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2059		2897
2060	Sends an exti event to the client.	2898	Sends an ext event to the client.
2061		2899
2062	=cut	2900	=cut
2063		2901
2064	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2066		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
2069	}	2929	}
2070		2930
2071	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2072		2932
2073	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2936
2077	Queries can fail, so check the return code. Or don't, as queries will become	2937	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2938	become reliable at some point in the future.
2079		2939
2080	=cut	2940	=cut
2081		2941
2082	sub cf::client::query {	2942	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2943	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2951	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2953
2094	$self->send_packet ($self->{query_queue}[0][0])	2954	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2955	if @{ $self->{query_queue} } == 1;
		2956
		2957	1
2096	}	2958	}
2097		2959
2098	cf::client->attach (	2960	cf::client->attach (
		2961	on_connect => sub {
		2962	my ($ns) = @_;
		2963
		2964	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2965	},
2099	on_reply => sub {	2966	on_reply => sub {
2100	my ($ns, $msg) = @_;	2967	my ($ns, $msg) = @_;
2101		2968
2102	# this weird shuffling is so that direct followup queries	2969	# this weird shuffling is so that direct followup queries
2103	# get handled first	2970	# get handled first
…		…
2115	} else {	2982	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2983	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2984	}
2118	}	2985	}
2119	},	2986	},
		2987	on_exticmd => sub {
		2988	my ($ns, $buf) = @_;
		2989
		2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2991
		2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
		3000	if (my $cb = $EXTICMD{$type}) {
		3001	@reply = $cb->($ns, @payload);
		3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
		3007	} else {
		3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3009	}
		3010
		3011	cf::override;
		3012	},
2120	);	3013	);
2121		3014
2122	=item $client->async (\&cb)	3015	=item $client->async (\&cb)
2123		3016
2124	Create a new coroutine, running the specified callback. The coroutine will	3017	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2167		3060
2168	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2169		3062
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2171		3068
2172	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2173		3070
2174	=pod	3071	=pod
2175		3072
2176	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2177		3074
2178	cf::object contr pay_amount pay_player map	3075	cf::object
		3076	contr pay_amount pay_player map x y force_find force_add destroy
		3077	insert remove name archname title slaying race decrease_ob_nr
		3078
2179	cf::object::player player	3079	cf::object::player
2180	cf::player peaceful	3080	player
2181	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2182		3087
2183	=cut	3088	=cut
2184		3089
2185	for (	3090	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
		3093	decrease_ob_nr destroy)],
2187	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2190	) {	3097	) {
2191	no strict 'refs';	3098	no strict 'refs';
…		…
2262	=back	3169	=back
2263		3170
2264	=cut	3171	=cut
2265		3172
2266	#############################################################################	3173	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	3174	# the server's init and main functions
2437		3175
2438	sub load_facedata($) {	3176	sub load_facedata($) {
2439	my ($path) = @_;	3177	my ($path) = @_;
		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
		3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		3184
2441	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2442		3186
2443	my $facedata;	3187	my $facedata;
2444	0 < aio_load $path, $facedata	3188	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3191	$facedata = Coro::Storable::thaw $facedata;
2448		3192
2449	$facedata->{version} == 2	3193	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3195
		3196	# patch in the exptable
		3197	$facedata->{resource}{"res/exp_table"} = {
		3198	type => FT_RSRC,
		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3200	};
		3201	cf::cede_to_tick;
		3202
2452	{	3203	{
2453	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2454		3205
2455	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	3213
		3214	cf::cede_to_tick;
2461	}	3215	}
2462		3216
2463	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2465	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2466	or next;	3221	or next;
		3222
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3226	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3228	}
2472	Coro::cede;	3229
		3230	cf::cede_to_tick;
2473	}	3231	}
2474	}	3232	}
2475		3233
2476	{	3234	{
2477	my $anims = $facedata->{animinfo};	3235	my $anims = $facedata->{animinfo};
2478		3236
2479	while (my ($anim, $info) = each %$anims) {	3237	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3239	cf::cede_to_tick;
2482	}	3240	}
2483		3241
2484	cf::anim::invalidate_all; # d'oh	3242	cf::anim::invalidate_all; # d'oh
2485	}	3243	}
2486		3244
		3245	{
		3246	# TODO: for gcfclient pleasure, we should give resources
		3247	# that gcfclient doesn't grok a >10000 face index.
		3248	my $res = $facedata->{resource};
		3249
		3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
		3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
		3254
		3255	if ($info->{type} & 1) {
		3256	# prepend meta info
		3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
		3270	} else {
		3271	$RESOURCE{$name} = $info;
		3272	}
		3273
		3274	cf::cede_to_tick;
		3275	}
		3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3279
2487	1	3280	1
2488	}	3281	}
2489		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
		3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
		3316	load_resource_file "$MAPDIR/regions"
		3317	or die "unable to load regions file\n";
		3318
		3319	for (cf::region::list) {
		3320	$_->{match} = qr/$_->{match}/
		3321	if exists $_->{match};
		3322	}
		3323	}
		3324
2490	sub reload_facedata {	3325	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3326	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3327	or die "unable to load facedata\n";
2493	}	3328	}
2494		3329
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3330	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3331	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3332	or die "unable to load archetypes\n";
		3333	#d# NEED to laod twice to resolve forward references
		3334	# this really needs to be done in an extra post-pass
		3335	# (which needs to be synchronous, so solve it differently)
		3336	load_resource_file "$DATADIR/archetypes"
		3337	or die "unable to load archetypes\n";
2503	}	3338	}
2504		3339
2505	sub reload_treasures {	3340	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3341	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3342	or die "unable to load treasurelists\n";
2508	}	3343	}
2509		3344
2510	sub reload_resources {	3345	sub reload_resources {
2511	warn "reloading resource files...\n";	3346	warn "reloading resource files...\n";
2512		3347
2513	reload_regions;	3348	reload_regions;
2514	reload_facedata;	3349	reload_facedata;
		3350	#reload_archetypes;#d#
2515	reload_archetypes;	3351	reload_archetypes;
2516	reload_treasures;	3352	reload_treasures;
2517		3353
2518	warn "finished reloading resource files\n";	3354	warn "finished reloading resource files\n";
2519	}	3355	}
2520		3356
2521	sub init {	3357	sub init {
2522	reload_resources;	3358	reload_resources;
2523	}	3359	}
2524		3360
2525	sub cfg_load {	3361	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3363	or return;
2528		3364
2529	local $/;	3365	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2531		3367
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2533		3369
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2546	sub main {	3382	sub main {
2547	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3386	(async {
2551	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2553	};	3390	};
2554		3391
2555	cfg_load;	3392	reload_config;
2556	db_init;	3393	db_init;
2557	load_extensions;	3394	load_extensions;
2558		3395
2559	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2560	Event::loop;	3398	EV::loop;
2561	}	3399	}
2562		3400
2563	#############################################################################	3401	#############################################################################
2564	# initialisation and cleanup	3402	# initialisation and cleanup
2565		3403
2566	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2567	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2576	},
2577	);	3410	};
		3411	}
		3412	}
		3413
		3414	sub write_runtime_sync {
		3415	my $runtime = "$LOCALDIR/runtime";
		3416
		3417	# first touch the runtime file to show we are still running:
		3418	# the fsync below can take a very very long time.
		3419
		3420	IO::AIO::aio_utime $runtime, undef, undef;
		3421
		3422	my $guard = cf::lock_acquire "write_runtime";
		3423
		3424	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3425	or return;
		3426
		3427	my $value = $cf::RUNTIME + 90 + 10;
		3428	# 10 is the runtime save interval, for a monotonic clock
		3429	# 60 allows for the watchdog to kill the server.
		3430
		3431	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3432	and return;
		3433
		3434	# always fsync - this file is important
		3435	aio_fsync $fh
		3436	and return;
		3437
		3438	# touch it again to show we are up-to-date
		3439	aio_utime $fh, undef, undef;
		3440
		3441	close $fh
		3442	or return;
		3443
		3444	aio_rename "$runtime~", $runtime
		3445	and return;
		3446
		3447	warn "runtime file written.\n";
		3448
2578	}	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2579	}	3493	}
2580		3494
2581	sub emergency_save() {	3495	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2583		3497
…		…
2589	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2591	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3509	$pl->save;
2595	}	3510	}
2596	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2597		3512
2598	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2604	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2605		3520
2606	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2609	};	3528	};
2610		3529
2611	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2612	}	3531	}
2613		3532
…		…
2628	warn "reloading...";	3547	warn "reloading...";
2629		3548
2630	warn "entering sync_job";	3549	warn "entering sync_job";
2631		3550
2632	cf::sync_job {	3551	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2634	cf::emergency_save;	3553	cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2636		3555
2637	warn "syncing database to disk";	3556	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3558
2640	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
2641
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646		3560
2647	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2648	for (;;) {	3562	for (;;) {
2649	BDB::flush;	3563	BDB::flush;
2650	IO::AIO::flush;	3564	IO::AIO::flush;
2651	Coro::cede;	3565	Coro::cede_notself;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";	3567	warn "iterate...";
2654	}	3568	}
2655		3569
2656	++$RELOAD;	3570	++$RELOAD;
…		…
2660	%EXT_CORO = ();	3574	%EXT_CORO = ();
2661		3575
2662	warn "removing commands";	3576	warn "removing commands";
2663	%COMMAND = ();	3577	%COMMAND = ();
2664		3578
2665	warn "removing ext commands";	3579	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3580	%EXTCMD = ();
		3581	%EXTICMD = ();
2667		3582
2668	warn "unloading/nuking all extensions";	3583	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3584	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3585	warn "... unloading $pkg";
2671		3586
…		…
2701	Symbol::delete_package "safe::$_"	3616	Symbol::delete_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3617	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3618
2704	warn "unloading cf.pm \"a bit\"";	3619	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3620	delete $INC{"cf.pm"};
		3621	delete $INC{"cf/pod.pm"};
2706		3622
2707	# don't, removes xs symbols, too,	3623	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3624	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3625	#Symbol::delete_package __PACKAGE__;
2710		3626
…		…
2713	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2714	require cf;	3630	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2716		3632
2717	warn "loading config and database again";	3633	warn "loading config and database again";
2718	cf::cfg_load;	3634	cf::reload_config;
2719		3635
2720	warn "loading extensions";	3636	warn "loading extensions";
2721	cf::load_extensions;	3637	cf::load_extensions;
2722		3638
2723	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
2730	warn "leaving sync_job";	3646	warn "leaving sync_job";
2731		3647
2732	1	3648	1
2733	} or do {	3649	} or do {
2734	warn $@;	3650	warn $@;
2735	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
2736	exit 1;
2737	};	3652	};
2738		3653
2739	warn "reloaded";	3654	warn "reloaded";
2740	};	3655	};
2741		3656
…		…
2743		3658
2744	sub reload_perl() {	3659	sub reload_perl() {
2745	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
2746	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
2747		3662
2748	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2749	reentrant => 0,
2750	after => 0,
2751	data => WF_AUTOCANCEL,
2752	cb => sub {
2753	do_reload_perl;	3664	do_reload_perl;
2754	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
2755	},
2756	);	3666	};
2757	}	3667	}
2758		3668
2759	register_command "reload" => sub {	3669	register_command "reload" => sub {
2760	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
2761		3671
2762	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
2763	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
2764	async { reload_perl };	3676	reload_perl;
		3677	};
2765	}	3678	}
2766	};	3679	};
2767		3680
2768	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
2769		3682
…		…
2771		3684
2772	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
2773	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
2774		3687
2775	sub wait_for_tick {	3688	sub wait_for_tick {
2776	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
2777	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
2778		3691
2779	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
2780	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
2781	$signal->wait;	3694	$signal->wait;
2782	}	3695	}
2783		3696
2784	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
2785	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
2786	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
2787		3700
2788	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	3703	$signal->wait;
2791	}	3704	}
2792		3705
2793	$TICK_WATCHER = Event->timer (	3706	sub tick {
2794	reentrant => 0,
2795	parked => 1,
2796	prio => 0,
2797	at => $NEXT_TICK || $TICK,
2798	data => WF_AUTOCANCEL,
2799	cb => sub {
2800	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
2803	return;	3710	return;
2804	}	3711	}
2805		3712
2806	$NOW = Event::time;
2807
2808	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
2809		3714
2810	$RUNTIME += $TICK;
2811	$NEXT_TICK += $TICK;
2812
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2814	$NEXT_RUNTIME_WRITE = $NOW + 10;	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2815	Coro::async_pool {	3717	Coro::async_pool {
		3718	$Coro::current->{desc} = "runtime saver";
2816	write_runtime	3719	write_runtime_sync
2817	or warn "ERROR: unable to write runtime file: $!";	3720	or warn "ERROR: unable to write runtime file: $!";
2818	};
2819	}	3721	};
		3722	}
2820		3723
2821	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#
2823
2824	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2826
2827	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;
2829
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2831	$sig->send;	3725	$sig->send;
2832	}	3726	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;	3728	$sig->send;
2835	}
2836
2837	_post_tick;
2838	},	3729	}
2839	);	3730
		3731	$LOAD = ($NOW - $TICK_START) / $TICK;
		3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3733
		3734	if (0) {
		3735	if ($NEXT_TICK) {
		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
		3740	}
		3741	}
2840		3742
2841	{	3743	{
2842	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
2843	$BDB_POLL_WATCHER = Event->io (	3745
2844	reentrant => 0,
2845	fd => BDB::poll_fileno,
2846	poll => 'r',
2847	prio => 0,
2848	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,
2850	);
2851	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
2852		3747	BDB::max_poll_reqs $TICK * 0.1;
2853	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
2854	my $status;
2855	my $current = $Coro::current;
2856	(
2857	sub {
2858	$status = $!;
2859	$current->ready; undef $current;
2860	},
2861	sub {
2862	Coro::schedule while defined $current;
2863	$! = $status;
2864	},
2865	)
2866	};
2867		3749
2868	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
2869	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2870		3756
2871	cf::sync_job {	3757	cf::sync_job {
2872	eval {	3758	eval {
2873	BDB::db_env_open	3759	BDB::db_env_open
2874	$DB_ENV,	3760	$DB_ENV,
2875	$BDB_ENV_DIR,	3761	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3764	0666;
2879		3765
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;
2884	};	3767	};
2885		3768
2886	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	3770	};
2888	}	3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
2889	}	3782	}
2890		3783
2891	{	3784	{
		3785	# configure IO::AIO
		3786
2892	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
2893
2894	undef $Coro::AIO::WATCHER;
2895	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
2896	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
2897	reentrant => 0,	3790	}
2898	data => WF_AUTOCANCEL,	3791
2899	fd => IO::AIO::poll_fileno,	3792	my $_log_backtrace;
2900	poll => 'r',	3793
2901	prio => 6,	3794	sub _log_backtrace {
2902	cb => \&IO::AIO::poll_cb,	3795	my ($msg, @addr) = @_;
2903	);	3796
		3797	$msg =~ s/\n//;
		3798
		3799	# limit the # of concurrent backtraces
		3800	if ($_log_backtrace < 2) {
		3801	++$_log_backtrace;
		3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
		3805	my @bt = fork_call {
		3806	@addr = map { sprintf "%x", $_ } @addr;
		3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3809	or die "addr2line: $!";
		3810
		3811	my @funcs;
		3812	my @res = <$fh>;
		3813	chomp for @res;
		3814	while (@res) {
		3815	my ($func, $line) = splice @res, 0, 2, ();
		3816	push @funcs, "[$func] $line";
		3817	}
		3818
		3819	@funcs
		3820	};
		3821
		3822	LOG llevInfo, "[ABT] $msg\n";
		3823	LOG llevInfo, "[ABT] $_\n" for @bt;
		3824	--$_log_backtrace;
		3825	};
		3826	} else {
		3827	LOG llevInfo, "[ABT] $msg\n";
		3828	LOG llevInfo, "[ABT] [suppressed]\n";
		3829	}
2904	}	3830	}
2905		3831
2906	# load additional modules	3832	# load additional modules
2907	use cf::pod;	3833	use cf::pod;
2908		3834

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