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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.155 by root, Tue Jan 9 21:32:42 2007 UTC vs.
Revision 1.439 by root, Mon Jul 14 16:42:49 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 Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.3 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		69
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		71
36	our %COMMAND = ();	72	our %COMMAND = ();
37	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
		74
		75	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
		78	our %EXT_CORO = (); # coroutines bound to extensions
		79	our %EXT_MAP = (); # pluggable maps
39		80
		81	our $RELOAD; # number of reloads so far
40	our @EVENT;	82	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		83
43	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	85	our $DATADIR = datadir;
		86	our $LIBDIR = "$DATADIR/ext";
		87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	99	our $NEXT_TICK;
46	our $NOW;	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
		104	our $BDB_TRICKLE_WATCHER;
		105	our $DB_ENV;
47		106
48	our %CFG;	107	our %CFG;
49		108
50	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
52		112
53	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	115	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		116
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	117	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
61		124
62	binmode STDOUT;	125	binmode STDOUT;
63	binmode STDERR;	126	binmode STDERR;
64		127
65	# read virtual server time, if available	128	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
70	}	133	}
71		134
72	mkdir cf::localdir;	135	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		137
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
		139
		140	sub cf::map::normalise;
81		141
82	#############################################################################	142	#############################################################################
83		143
84	=head2 GLOBAL VARIABLES	144	=head2 GLOBAL VARIABLES
85		145
…		…
92	=item $cf::RUNTIME	152	=item $cf::RUNTIME
93		153
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	155	every server tick.
96		156
97	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		160
99	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
101		165
102	=item $cf::NOW	166	=item $cf::NOW
103		167
104	The time of the last (current) server tick.	168	The time of the last (current) server tick.
105		169
106	=item $cf::TICK	170	=item $cf::TICK
107		171
108	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
109		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
110	=item %cf::CFG	184	=item %cf::CFG
111		185
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	187	from wherever your confdir points to.
114		188
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		190
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	192	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
121		200
122	=back	201	=back
123		202
124	=cut	203	=cut
125		204
126	BEGIN {	205	BEGIN {
127	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	207	my $msg = join "", @_;
129	utf8::encode $msg;
130		208
131	$msg .= "\n"	209	$msg .= "\n"
132	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
133		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
134	LOG llevError, $msg;	214	LOG llevError, $msg;
135	};	215	};
136	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
137		232
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		240
145	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	242	# within the Safe compartment.
147	for my $pkg (qw(	243	for my $pkg (qw(
148	cf::global cf::attachable	244	cf::global cf::attachable
…		…
153	)) {	249	)) {
154	no strict 'refs';	250	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	252	}
157		253
158	$Event::DIED = sub {	254	$EV::DIED = sub {
159	warn "error in event callback: @_";	255	warn "error in event callback: @_";
160	};	256	};
161		257
162	my %ext_pkg;	258	#############################################################################
163	my @exts;
164	my @hook;
165		259
166	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
167		261
168	=over 4	262	=over 4
169		263
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	283	$d
190	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
191	}	285	}
192		286
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
196		288
197	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
198		290
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
207		292
208	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
209		294
210	=cut	295	=cut
211		296
212	sub to_json($) {	297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	298
214	JSON::Syck::Dump $_[0]	299	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	300	sub decode_json($) { $json_coder->decode ($_[0]) }
216		301
217	=item cf::lock_wait $string	302	=item cf::lock_wait $string
218		303
219	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
220		305
…		…
223	Wait until the given lock is available and then acquires it and returns	308	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
226	returned.	311	returned.
227		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
228	Lock names should begin with a unique identifier (for example, cf::map::find	316	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
230		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
231	=cut	323	=cut
232		324
233	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
234		327
235	sub lock_wait($) {	328	sub lock_wait($) {
236	my ($key) = @_;	329	my ($key) = @_;
		330
		331	if ($LOCKER{$key} == $Coro::current) {#d#
		332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		333	return;#d#
		334	}#d#
237		335
238	# wait for lock, if any	336	# wait for lock, if any
239	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	339	Coro::schedule;
…		…
247		345
248	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
249	lock_wait $key;	347	lock_wait $key;
250		348
251	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
252		351
253	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
256	}	356	}
257	}	357	}
258		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
259	sub freeze_mainloop {	365	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
261		367
262	my $guard = Coro::guard { $TICK_WATCHER->start };	368	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	369	}
264	$guard	370
		371	=item cf::periodic $interval, $cb
		372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
		429	}
		430	};
		431
		432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
		435	my ($time, $pri, $name) = @_;
		436
		437	$time = $TICK * .6 if $time > $TICK * .6;
		438	my $sig = new Coro::Signal;
		439
		440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		442	$SLOT_QUEUE->ready;
		443	$sig->wait;
265	}	444	}
266		445
267	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
268		447
269	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		453
275	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
276		455
277	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
278		457
279	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
282		462
283	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
286	fast or be very important.	466	fast or be very important.
…		…
289		469
290	sub sync_job(&) {	470	sub sync_job(&) {
291	my ($job) = @_;	471	my ($job) = @_;
292		472
293	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
294	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
296		478
297	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	480
299	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
300		482
301	my $busy = 1;	483	my $busy = 1;
302	my @res;	484	my @res;
303		485
304	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	488	@res = eval { $job->() };
306	warn $@ if $@;	489	warn $@ if $@;
307	undef $busy;	490	undef $busy;
308	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
309		492
310	while ($busy) {	493	while ($busy) {
311	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
312	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
313		504
314	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
315	} else {	506	} else {
316	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
317		508
…		…
319	}	510	}
320	}	511	}
321		512
322	=item $coro = cf::async_ext { BLOCK }	513	=item $coro = cf::async_ext { BLOCK }
323		514
324	Like async, but this coro is automcatially being canceled when the	515	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	516	extension calling this is being unloaded.
326		517
327	=cut	518	=cut
328		519
329	sub async_ext(&) {	520	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
338		529
339	$coro	530	$coro
340	}	531	}
341		532
342	sub write_runtime {	533	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		534
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	535	Executes the given code block with the given arguments in a seperate
346	or return;	536	process, returning the results. Everything must be serialisable with
		537	Coro::Storable. May, of course, block. Note that the executed sub may
		538	never block itself or use any form of event handling.
347		539
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	540	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		541
352	aio_fsync $fh	542	sub fork_call(&@) {
353	and return;	543	my ($cb, @args) = @_;
354		544
355	close $fh	545	# we seemingly have to make a local copy of the whole thing,
356	or return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
357		548
358	aio_rename "$runtime~", $runtime	549	my @res = Coro::Util::fork_eval {
359	and return;	550	reset_signals;
		551	&$cb
		552	}, @args;
360		553
		554	wantarray ? @res : $res[-1]
		555	}
		556
		557	=item $coin = coin_from_name $name
		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
		582	}
		583
		584	=item $value = cf::db_get $family => $key
		585
		586	Returns a single value from the environment database.
		587
		588	=item cf::db_put $family => $key => $value
		589
		590	Stores the given C<$value> in the family. It can currently store binary
		591	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		592
		593	=item $db = cf::db_table "name"
		594
		595	Create and/or open a new database table. The string must not be "db" and must be unique
		596	within each server.
		597
		598	=cut
		599
		600	sub db_table($) {
		601	my ($name) = @_;
		602	my $db = BDB::db_create $DB_ENV;
		603
		604	eval {
		605	$db->set_flags (BDB::CHKSUM);
		606
		607	utf8::encode $name;
		608	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		609	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		610	cf::cleanup "db_open(db): $!" if $!;
		611	};
		612	cf::cleanup "db_open(db): $@" if $@;
		613
		614	$db
		615	}
		616
		617	our $DB;
		618
		619	sub db_init {
		620	cf::sync_job {
		621	$DB ||= db_table "db";
		622	};
		623	}
		624
		625	sub db_get($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
361	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		637	BDB::dbreq_pri 4;
		638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		639	}
		640
		641	=item cf::cache $id => [$paths...], $processversion => $process
		642
		643	Generic caching function that returns the value of the resource $id,
		644	caching and regenerating as required.
		645
		646	This function can block.
		647
		648	=cut
		649
		650	sub cache {
		651	my ($id, $src, $processversion, $process) = @_;
		652
		653	my $meta =
		654	join "\x00",
		655	$processversion,
		656	map {
		657	aio_stat $_
		658	and Carp::croak "$_: $!";
		659
		660	($_, (stat _)[7,9])
		661	} @$src;
		662
		663	my $dbmeta = db_get cache => "$id/meta";
		664	if ($dbmeta ne $meta) {
		665	# changed, we may need to process
		666
		667	my @data;
		668	my $md5;
		669
		670	for (0 .. $#$src) {
		671	0 <= aio_load $src->[$_], $data[$_]
		672	or Carp::croak "$src->[$_]: $!";
		673	}
		674
		675	# if processing is expensive, check
		676	# checksum first
		677	if (1) {
		678	$md5 =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	cf::cede_to_tick;
		683	($src->[$_], Digest::MD5::md5_hex $data[$_])
		684	} 0.. $#$src;
		685
		686
		687	my $dbmd5 = db_get cache => "$id/md5";
		688	if ($dbmd5 eq $md5) {
		689	db_put cache => "$id/meta", $meta;
		690
		691	return db_get cache => "$id/data";
		692	}
		693	}
		694
		695	my $t1 = Time::HiRes::time;
		696	my $data = $process->(\@data);
		697	my $t2 = Time::HiRes::time;
		698
		699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		700
		701	db_put cache => "$id/data", $data;
		702	db_put cache => "$id/md5" , $md5;
		703	db_put cache => "$id/meta", $meta;
		704
		705	return $data;
		706	}
		707
		708	db_get cache => "$id/data"
		709	}
		710
		711	=item cf::datalog type => key => value, ...
		712
		713	Log a datalog packet of the given type with the given key-value pairs.
		714
		715	=cut
		716
		717	sub datalog($@) {
		718	my ($type, %kv) = @_;
		719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	720	}
363		721
364	=back	722	=back
365		723
366	=cut	724	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		725
490	#############################################################################	726	#############################################################################
491		727
492	=head2 ATTACHABLE OBJECTS	728	=head2 ATTACHABLE OBJECTS
493		729
…		…
495	attach callbacks/event handlers (a collection of which is called an "attachment")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
497		733
498	In the following description, CLASS can be any of C<global>, C<object>	734	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	736	Deliantra).
501		737
502	=over 4	738	=over 4
503		739
504	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
505		741
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	855	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	856	our @CB_MAP = ();
621		857
622	my %attachment;	858	my %attachment;
623		859
		860	sub cf::attachable::thawer_merge {
		861	# simply override everything except _meta
		862	local $_[0]{_meta};
		863	%{$_[0]} = %{$_[1]};
		864	}
		865
624	sub _attach_cb($$$$) {	866	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	867	my ($registry, $event, $prio, $cb) = @_;
626		868
627	use sort 'stable';	869	use sort 'stable';
628		870
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
663		905
664	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		910
669	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	912	my $pkg = shift @arg;
671		913
672	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
702	}	944	}
703		945
704	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
705	} else {	947	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	949	}
708		950
709	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
710	}	952	}
711		953
…		…
713	if (ref $_[0]) {	955	if (ref $_[0]) {
714	_object_attach @_;	956	_object_attach @_;
715	} else {	957	} else {
716	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
717	}	959	}
		960	_recalc_want;
718	};	961	};
719		962
720	# all those should be optimised	963	# all those should be optimised
721	sub cf::attachable::detach {	964	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
726	reattach ($obj);	969	reattach ($obj);
727	} else {	970	} else {
728	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
729	}	972	}
		973	_recalc_want;
730	};	974	};
731		975
732	sub cf::attachable::attached {	976	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
734		978
…		…
749	";	993	";
750	die if $@;	994	die if $@;
751	}	995	}
752		996
753	our $override;	997	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	998	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		999
756	sub override {	1000	sub override {
757	$override = 1;	1001	$override = 1;
758	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
759	}	1003	}
760		1004
761	sub do_invoke {	1005	sub do_invoke {
762	my $event = shift;	1006	my $event = shift;
763	my $callbacks = shift;	1007	my $callbacks = shift;
764		1008
765	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
766		1010
767	local $override;	1011	local $override;
768		1012
769	for (@$callbacks) {	1013	for (@$callbacks) {
770	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
779	}	1023	}
780		1024
781	0	1025	0
782	}	1026	}
783		1027
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1029
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1031
788	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
789		1033
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1034	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	1035	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1037
794	=back	1038	=back
795		1039
796	=cut	1040	=cut
797		1041
798	#############################################################################	1042	#############################################################################
799	# object support	1043	# object support
		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
		1078	sub _can_merge {
		1079	my ($ob1, $ob2) = @_;
		1080
		1081	++$SLOW_MERGES;#d#
		1082
		1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
		1085	}
800		1086
801	sub reattach {	1087	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1089	my ($obj) = @_;
		1090
		1091	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1092
805	my $registry = $obj->registry;	1093	my $registry = $obj->registry;
806		1094
807	@$registry = ();	1095	@$registry = ();
808		1096
…		…
823	cf::attachable->attach (	1111	cf::attachable->attach (
824	prio => -1000000,	1112	prio => -1000000,
825	on_instantiate => sub {	1113	on_instantiate => sub {
826	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
827		1115
828	$data = from_json $data;	1116	$data = decode_json $data;
829		1117
830	for (@$data) {	1118	for (@$data) {
831	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
832		1120
833	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1137	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
851		1139
852	sync_job {	1140	sync_job {
853	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
856		1145
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	1149	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	1150	aio_close $fh;
862		1151
863	if (@$objs) {	1152	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	1157	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	1158	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
871	}	1160	}
872	} else {	1161	} else {
873	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
874	}	1163	}
…		…
879	}	1168	}
880	} else {	1169	} else {
881	aio_unlink $filename;	1170	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
883	}	1172	}
884	}	1173	};
885	}	1174	}
886		1175
887	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
889		1178
…		…
901	or return;	1190	or return;
902		1191
903	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
905	or return;	1194	or return;
		1195
906	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
907	}	1198	}
908		1199
		1200	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
911	return ($data, $av);	1204	($data, $av)
912	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
913		1212
914	#############################################################################	1213	#############################################################################
915	# command handling &c	1214	# command handling &c
916		1215
917	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1230	}
932		1231
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1233
935	Register a callbackf ro execution when the client sends an extcmd packet.	1234	Register a callback for execution when the client sends an (synchronous)
		1235	extcmd packet. Ext commands will be processed in the order they are
		1236	received by the server, like other user commands. The first argument is
		1237	the logged-in player. Ext commands can only be processed after a player
		1238	has logged in successfully.
936		1239
937	If the callback returns something, it is sent back as if reply was being	1240	If the callback returns something, it is sent back as if reply was being
938	called.	1241	called.
939		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
940	=cut	1254	=cut
941		1255
942	sub register_extcmd {	1256	sub register_extcmd {
943	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
944		1258
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
949	}	1266	}
950		1267
951	cf::player->attach (	1268	cf::player->attach (
952	on_command => sub {	1269	on_command => sub {
953	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1279	cf::override;
963	},	1280	},
964	on_extcmd => sub {	1281	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
966		1283
967	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1285
969	if (ref $msg) {	1286	if (ref $msg) {
		1287	my ($type, $reply, @payload) =
		1288	"ARRAY" eq ref $msg
		1289	? @$msg
		1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1291
		1292	my @reply;
		1293
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
975	} else {	1301	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1303	}
978		1304
979	cf::override;	1305	cf::override;
980	},	1306	},
981	);	1307	);
982		1308
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
1060	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1314	next unless -r $path;
1062	eval {	1315
1063	load_extension $ext;	1316	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1317	my $base = $1;
		1318	my $pkg = $1;
		1319	$pkg =~ s/[^[:word:]]/_/g;
		1320	$pkg = "ext::$pkg";
		1321
		1322	open my $fh, "<:utf8", $path
		1323	or die "$path: $!";
		1324
		1325	my $source = do { local $/; <$fh> };
		1326
		1327	my %ext = (
		1328	path => $path,
		1329	base => $base,
		1330	pkg => $pkg,
		1331	);
		1332
		1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1335
		1336	$ext{source} =
		1337	"package $pkg; use strict; use utf8;\n"
		1338	. "#line 1 \"$path\"\n{\n"
		1339	. $source
		1340	. "\n};\n1";
		1341
		1342	$todo{$base} = \%ext;
		1343	}
		1344
		1345	my %done;
		1346	while (%todo) {
		1347	my $progress;
		1348
		1349	while (my ($k, $v) = each %todo) {
		1350	for (split /,\s*/, $v->{meta}{depends}) {
		1351	goto skip
		1352	unless exists $done{$_};
		1353	}
		1354
		1355	warn "... loading '$k' into '$v->{pkg}'\n";
		1356
		1357	unless (eval $v->{source}) {
		1358	my $msg = $@ ? "$v->{path}: $@\n"
		1359	: "$v->{base}: extension inactive.\n";
		1360
		1361	if (exists $v->{meta}{mandatory}) {
		1362	warn $msg;
		1363	cf::cleanup "mandatory extension failed to load, exiting.";
		1364	}
		1365
		1366	warn $msg;
		1367	}
		1368
		1369	$done{$k} = delete $todo{$k};
		1370	push @EXTS, $v->{pkg};
		1371	$progress = 1;
1064	1	1372	}
1065	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
1066	}	1378	};
1067	}	1379	}
1068		1380
1069	#############################################################################	1381	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1382
1072	*cf::mapsupport::on_clean = sub {	1383	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1384
1085	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
1086		1386
1087	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
1088		1388
…		…
1094		1394
1095	=head3 cf::player	1395	=head3 cf::player
1096		1396
1097	=over 4	1397	=over 4
1098		1398
		1399	=item cf::player::num_playing
		1400
		1401	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1402
		1403	=cut
		1404
		1405	sub num_playing {
		1406	scalar grep
		1407	$_->ob->map
		1408	&& !$_->hidden
		1409	&& !$_->ob->flag (cf::FLAG_WIZ),
		1410	cf::player::list
		1411	}
		1412
1099	=item cf::player::find $login	1413	=item cf::player::find $login
1100		1414
1101	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
1102		1416
1103	=cut	1417	=cut
1104		1418
1105	sub playerdir($) {	1419	sub playerdir($) {
1106	cf::localdir	1420	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1422	}
1112		1423
1113	sub path($) {	1424	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1426
1116	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
1117	}	1428	}
1118		1429
1119	sub find_active($) {	1430	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
1124		1435
1125	sub exists($) {	1436	sub exists($) {
1126	my ($login) = @_;	1437	my ($login) = @_;
1127		1438
1128	$cf::PLAYER{$login}	1439	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1440	or cf::sync_job { !aio_stat path $login }
1130	}	1441	}
1131		1442
1132	sub find($) {	1443	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1444	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1445	my $login = $_[0];
1135		1446
1136	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
1137		1448
1138	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1450	# rename old playerfiles to new ones
		1451	#TODO: remove when no longer required
		1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1455	aio_unlink +(playerdir $login) . "/$login.pl";
		1456
		1457	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1458	or return;
		1459
		1460	my $pl = cf::player::load_pl $f
		1461	or return;
		1462
		1463	local $cf::PLAYER_LOADING{$login} = $pl;
		1464	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
1142	}	1466	}
1143	}	1467	}
1144	}	1468	}
1145		1469
…		…
1154	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
1155		1479
1156	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
1158		1482
		1483	cf::get_slot 0.01;
		1484
1159	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
1160	Coro::cede;	1486	cf::cede_to_tick;
1161	}	1487	}
1162		1488
1163	sub new($) {	1489	sub new($) {
1164	my ($login) = @_;	1490	my ($login) = @_;
1165		1491
…		…
1171	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1172		1498
1173	$self	1499	$self
1174	}	1500	}
1175		1501
		1502	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1503
		1504	=cut
		1505
		1506	sub send_msg {
		1507	my $ns = shift->ns
		1508	or return;
		1509	$ns->send_msg (@_);
		1510	}
		1511
1176	=item $pl->quit_character	1512	=item $pl->quit_character
1177		1513
1178	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1180		1516
1181	=cut	1517	=cut
1182		1518
1183	sub quit_character {	1519	sub quit_character {
1184	my ($pl) = @_;	1520	my ($pl) = @_;
1185		1521
		1522	my $name = $pl->ob->name;
		1523
1186	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1526
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1193		1533
1194	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1536	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1537	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1538	$pl->destroy;
		1539
		1540	my $prefix = qr<^~\Q$name\E/>;
		1541
		1542	# nuke player maps
		1543	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1544
1199	IO::AIO::aio_rmtree $temp;	1545	IO::AIO::aio_rmtree $temp;
		1546	}
		1547
		1548	=item $pl->kick
		1549
		1550	Kicks a player out of the game. This destroys the connection.
		1551
		1552	=cut
		1553
		1554	sub kick {
		1555	my ($pl, $kicker) = @_;
		1556
		1557	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1558	$pl->killer ("kicked");
		1559	$pl->ns->destroy;
1200	}	1560	}
1201		1561
1202	=item cf::player::list_logins	1562	=item cf::player::list_logins
1203		1563
1204	Returns am arrayref of all valid playernames in the system, can take a	1564	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1206		1566
1207	=cut	1567	=cut
1208		1568
1209	sub list_logins {	1569	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1571	or return [];
1212		1572
1213	my @logins;	1573	my @logins;
1214		1574
1215	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
		1576	my $path = path $login;
		1577
		1578	# a .pst is a dead give-away for a valid player
		1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1219		1585
1220	utf8::decode $login;	1586	utf8::decode $login;
1221	push @logins, $login;	1587	push @logins, $login;
1222	}	1588	}
1223		1589
1224	\@logins	1590	\@logins
1225	}	1591	}
1226		1592
1227	=item $player->maps	1593	=item $player->maps
1228		1594
1229	Returns an arrayref of cf::path's of all maps that are private for this	1595	Returns an arrayref of map paths that are private for this
1230	player. May block.	1596	player. May block.
1231		1597
1232	=cut	1598	=cut
1233		1599
1234	sub maps($) {	1600	sub maps($) {
1235	my ($pl) = @_;	1601	my ($pl) = @_;
		1602
		1603	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1604
1237	my $files = aio_readdir playerdir $pl	1605	my $files = aio_readdir playerdir $pl
1238	or return;	1606	or return;
1239		1607
1240	my @paths;	1608	my @paths;
1241		1609
1242	for (@$files) {	1610	for (@$files) {
1243	utf8::decode $_;	1611	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1612	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1613	next unless /^$PATH_SEP/o;
1246		1614
1247	s/$PATH_SEP/\//g;	1615	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1616	}
1250		1617
1251	\@paths	1618	\@paths
1252	}	1619	}
1253		1620
		1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1622
		1623	Expand crossfire pod fragments into protocol xml.
		1624
		1625	=cut
		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
		1638	sub expand_cfpod {
		1639	my ($self, $pod) = @_;
		1640
		1641	my $xml;
		1642
		1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
		1646
		1647	$group =~ s/&/&amp;/g;
		1648	$group =~ s/</&lt;/g;
		1649
		1650	$xml .= $group;
		1651	} elsif ($pod =~ m%\G
		1652	([BCGHITU])
		1653	<
		1654	(?:
		1655	([^<>]*) (?{ $group = $^N })
		1656	| < $interior >
		1657	)
		1658	>
		1659	%gcsx
		1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
		1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1680	"")
		1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
		1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
		1692
		1693	for ($xml) {
		1694	# create single paragraphs (very hackish)
		1695	s/(?<=\S)\n(?=\w)/ /g;
		1696
		1697	# compress some whitespace
		1698	s/\s+\n/\n/g; # ws line-ends
		1699	s/\n\n+/\n/g; # double lines
		1700	s/^\n+//; # beginning lines
		1701	s/\n+$//; # ending lines
		1702	}
		1703
		1704	$xml
		1705	}
		1706
		1707	no re 'eval';
		1708
		1709	sub hintmode {
		1710	$_[0]{hintmode} = $_[1] if @_ > 1;
		1711	$_[0]{hintmode}
		1712	}
		1713
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1255		1715
1256	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1257		1717
1258	=cut	1718	=cut
1259		1719
1260	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1262		1722
1263	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1724	}
1267		1725
1268	package cf;	1726	=item $player->ext_msg ($type, @msg)
		1727
		1728	Sends an ext event to the client.
		1729
		1730	=cut
		1731
		1732	sub ext_msg($$@) {
		1733	my ($self, $type, @msg) = @_;
		1734
		1735	$self->ns->ext_msg ($type, @msg);
		1736	}
		1737
		1738	=head3 cf::region
		1739
		1740	=over 4
		1741
		1742	=cut
		1743
		1744	package cf::region;
		1745
		1746	=item cf::region::find_by_path $path
		1747
		1748	Tries to decuce the likely region for a map knowing only its path.
		1749
		1750	=cut
		1751
		1752	sub find_by_path($) {
		1753	my ($path) = @_;
		1754
		1755	my ($match, $specificity);
		1756
		1757	for my $region (list) {
		1758	if ($region->{match} && $path =~ $region->{match}) {
		1759	($match, $specificity) = ($region, $region->specificity)
		1760	if $region->specificity > $specificity;
		1761	}
		1762	}
		1763
		1764	$match
		1765	}
1269		1766
1270	=back	1767	=back
1271
1272		1768
1273	=head3 cf::map	1769	=head3 cf::map
1274		1770
1275	=over 4	1771	=over 4
1276		1772
…		…
1279	package cf::map;	1775	package cf::map;
1280		1776
1281	use Fcntl;	1777	use Fcntl;
1282	use Coro::AIO;	1778	use Coro::AIO;
1283		1779
		1780	use overload
		1781	'""' => \&as_string,
		1782	fallback => 1;
		1783
1284	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1286		1786
1287	sub generate_random_map {	1787	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1788	my ($self, $rmp) = @_;
		1789
		1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1791
1290	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1793	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1797	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1798	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1799	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1800	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1801	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1802	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1803	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1804	(cf::region::find $rmp->{region}), $rmp->{custom}
		1805	)
		1806	}
		1807
		1808	=item cf::map->register ($regex, $prio)
		1809
		1810	Register a handler for the map path matching the given regex at the
		1811	givne priority (higher is better, built-in handlers have priority 0, the
		1812	default).
		1813
		1814	=cut
		1815
		1816	sub register {
		1817	my (undef, $regex, $prio) = @_;
		1818	my $pkg = caller;
		1819
		1820	no strict;
		1821	push @{"$pkg\::ISA"}, __PACKAGE__;
		1822
		1823	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1824	}
		1825
		1826	# also paths starting with '/'
		1827	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1828
		1829	sub thawer_merge {
		1830	my ($self, $merge) = @_;
		1831
		1832	# we have to keep some variables in memory intact
		1833	local $self->{path};
		1834	local $self->{load_path};
		1835
		1836	$self->SUPER::thawer_merge ($merge);
		1837	}
		1838
		1839	sub normalise {
		1840	my ($path, $base) = @_;
		1841
		1842	$path = "$path"; # make sure its a string
		1843
		1844	$path =~ s/\.map$//;
		1845
		1846	# map plan:
		1847	#
		1848	# /! non-realised random map exit (special hack!)
		1849	# {... are special paths that are not being touched
		1850	# ?xxx/... are special absolute paths
		1851	# ?random/... random maps
		1852	# /... normal maps
		1853	# ~user/... per-player map of a specific user
		1854
		1855	$path =~ s/$PATH_SEP/\//go;
		1856
		1857	# treat it as relative path if it starts with
		1858	# something that looks reasonable
		1859	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1860	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1861
		1862	$base =~ s{[^/]+/?$}{};
		1863	$path = "$base/$path";
		1864	}
		1865
		1866	for ($path) {
		1867	redo if s{//}{/};
		1868	redo if s{/\.?/}{/};
		1869	redo if s{/[^/]+/\.\./}{/};
		1870	}
		1871
		1872	$path
		1873	}
		1874
		1875	sub new_from_path {
		1876	my (undef, $path, $base) = @_;
		1877
		1878	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1879
		1880	$path = normalise $path, $base;
		1881
		1882	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1883	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1884	my $self = bless cf::map::new, $pkg;
		1885	$self->{path} = $path; $self->path ($path);
		1886	$self->init; # pass $1 etc.
		1887	return $self;
		1888	}
		1889	}
		1890
		1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1892	()
		1893	}
		1894
		1895	sub init {
		1896	my ($self) = @_;
		1897
		1898	$self
		1899	}
		1900
		1901	sub as_string {
		1902	my ($self) = @_;
		1903
		1904	"$self->{path}"
		1905	}
		1906
		1907	# the displayed name, this is a one way mapping
		1908	sub visible_name {
		1909	&as_string
		1910	}
		1911
		1912	# the original (read-only) location
		1913	sub load_path {
		1914	my ($self) = @_;
		1915
		1916	"$MAPDIR/$self->{path}.map"
		1917	}
		1918
		1919	# the temporary/swap location
		1920	sub save_path {
		1921	my ($self) = @_;
		1922
		1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1924	"$TMPDIR/$path.map"
		1925	}
		1926
		1927	# the unique path, undef == no special unique path
		1928	sub uniq_path {
		1929	my ($self) = @_;
		1930
		1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1932	"$UNIQUEDIR/$path"
1304	}	1933	}
1305		1934
1306	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1307	# all maps in C++...	1936	# all maps in C++...
1308	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1310		1939
1311	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1313	}	1942	}
1314		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
		1952	sub unlink_save {
		1953	my ($self) = @_;
		1954
		1955	utf8::encode (my $save = $self->save_path);
		1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1958	}
		1959
1315	sub try_load_header($) {	1960	sub load_header_from($) {
1316	my ($path) = @_;	1961	my ($self, $path) = @_;
1317		1962
1318	utf8::encode $path;	1963	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1320	or return;	1965	or return;
1321		1966
1322	my $map = cf::map::new	1967	$self->_load_header ($f)
1323	or return;	1968	or return;
1324		1969
1325	# for better error messages only, will be overwritten	1970	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1971	$f->resolve_delayed_derefs;
1327		1972
1328	$map->load_header ($path)	1973	$self->{load_path} = $path;
		1974
		1975	1
		1976	}
		1977
		1978	sub load_header_orig {
		1979	my ($self) = @_;
		1980
		1981	$self->load_header_from ($self->load_path)
		1982	}
		1983
		1984	sub load_header_temp {
		1985	my ($self) = @_;
		1986
		1987	$self->load_header_from ($self->save_path)
		1988	}
		1989
		1990	sub prepare_temp {
		1991	my ($self) = @_;
		1992
		1993	$self->last_access ((delete $self->{last_access})
		1994	|| $cf::RUNTIME); #d#
		1995	# safety
		1996	$self->{instantiate_time} = $cf::RUNTIME
		1997	if $self->{instantiate_time} > $cf::RUNTIME;
		1998	}
		1999
		2000	sub prepare_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->{load_original} = 1;
		2004	$self->{instantiate_time} = $cf::RUNTIME;
		2005	$self->last_access ($cf::RUNTIME);
		2006	$self->instantiate;
		2007	}
		2008
		2009	sub load_header {
		2010	my ($self) = @_;
		2011
		2012	if ($self->load_header_temp) {
		2013	$self->prepare_temp;
		2014	} else {
		2015	$self->load_header_orig
1329	or return;	2016	or return;
		2017	$self->prepare_orig;
		2018	}
1330		2019
1331	$map->{load_path} = $path;	2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
1332		2022
1333	$map	2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
		2025
		2026	1
1334	}	2027	}
1335		2028
1336	sub find;	2029	sub find;
1337	sub find {	2030	sub find {
1338	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1339		2032
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1345	cf::lock_wait "map_find:$key";	2036	cf::lock_wait "map_find:$path";
1346		2037
1347	$cf::MAP{$key} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1348	my $guard = cf::lock_acquire "map_find:$key";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2041
1350	# do it the slow way	2042	my $map = new_from_path cf::map $path
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	2043	or return;
1369		2044
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1382		2046
1383	Coro::cede;	2047	$map->load_header
		2048	or return;
1384		2049
1385	if ($map->should_reset) {	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2051	# doing this can freeze the server in a sync job, obviously
		2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1386	$map->reset;	2055	$map->reset;
1387	undef $guard;
1388	$map = find $path	2056	return find $path;
1389	or return;
1390	}	2057	}
1391		2058
1392	$cf::MAP{$key} = $map	2059	$cf::MAP{$path} = $map
1393	}	2060	}
1394	}	2061	}
		2062
		2063	sub pre_load { }
		2064	sub post_load { }
1395		2065
1396	sub load {	2066	sub load {
1397	my ($self) = @_;	2067	my ($self) = @_;
1398		2068
		2069	local $self->{deny_reset} = 1; # loading can take a long time
		2070
1399	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2074	my $guard = cf::lock_acquire "map_data:$path";
1401		2075
		2076	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2078
1404	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1405		2080
1406	$self->alloc;	2081	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2082
		2083	$self->pre_load;
		2084	cf::cede_to_tick;
		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1408	or return;	2089	or return;
1409		2090
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1411	if delete $self->{load_original};	2092	if delete $self->{load_original};
1412		2093
1413	if (my $uniq = $path->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2095	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2098	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1418	}	2102	}
1419	}	2103	}
1420		2104
1421	Coro::cede;	2105	$f->resolve_delayed_derefs;
1422		2106
		2107	cf::cede_to_tick;
1423	# now do the right thing for maps	2108	# now do the right thing for maps
1424	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2111	unless $self->difficulty;
		2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
		2119	$self->set_darkness_map;
		2120	cf::cede_to_tick;
1436	$self->activate;	2121	$self->activate;
1437	}	2122	}
1438		2123
1439	Coro::cede;	2124	$self->{last_save} = $cf::RUNTIME;
		2125	$self->last_access ($cf::RUNTIME);
1440		2126
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2127	$self->in_memory (cf::MAP_ACTIVE);
		2128	}
		2129
		2130	$self->post_load;
		2131	}
		2132
		2133	sub customise_for {
		2134	my ($self, $ob) = @_;
		2135
		2136	return find "~" . $ob->name . "/" . $self->{path}
		2137	if $self->per_player;
		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
		2142	$self
		2143	}
		2144
		2145	# find and load all maps in the 3x3 area around a map
		2146	sub load_neighbours {
		2147	my ($map) = @_;
		2148
		2149	my @neigh; # diagonal neighbours
		2150
		2151	for (0 .. 3) {
		2152	my $neigh = $map->tile_path ($_)
		2153	or next;
		2154	$neigh = find $neigh, $map
		2155	or next;
		2156	$neigh->load;
		2157
		2158	push @neigh,
		2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2161	}
		2162
		2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
		2165	my $neigh = find $path, $origin
		2166	or next;
		2167	$neigh->load;
		2168	}
1442	}	2169	}
1443		2170
1444	sub find_sync {	2171	sub find_sync {
1445	my ($path, $origin) = @_;	2172	my ($path, $origin) = @_;
1446		2173
1447	cf::sync_job { cf::map::find $path, $origin }	2174	cf::sync_job { find $path, $origin }
1448	}	2175	}
1449		2176
1450	sub do_load_sync {	2177	sub do_load_sync {
1451	my ($map) = @_;	2178	my ($map) = @_;
1452		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1453	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
		2184	}
		2185
		2186	our %MAP_PREFETCH;
		2187	our $MAP_PREFETCHER = undef;
		2188
		2189	sub find_async {
		2190	my ($path, $origin, $load) = @_;
		2191
		2192	$path = normalise $path, $origin && $origin->{path};
		2193
		2194	if (my $map = $cf::MAP{$path}) {
		2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2196	}
		2197
		2198	$MAP_PREFETCH{$path} |= $load;
		2199
		2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
		2203	while (%MAP_PREFETCH) {
		2204	while (my ($k, $v) = each %MAP_PREFETCH) {
		2205	if (my $map = find $k) {
		2206	$map->load if $v;
		2207	}
		2208
		2209	delete $MAP_PREFETCH{$k};
		2210	}
		2211	}
		2212	undef $MAP_PREFETCHER;
		2213	};
		2214	$MAP_PREFETCHER->prio (6);
		2215
		2216	()
1454	}	2217	}
1455		2218
1456	sub save {	2219	sub save {
1457	my ($self) = @_;	2220	my ($self) = @_;
1458		2221
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1460		2223
1461	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1462		2225
1463	return unless $self->dirty;	2226	return unless $self->dirty;
1464		2227
1465	my $save = $self->{path}->save_path; utf8::encode $save;	2228	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2229	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		2230
1468	$self->{load_path} = $save;	2231	$self->{load_path} = $save;
1469		2232
1470	return if $self->{deny_save};	2233	return if $self->{deny_save};
1471		2234
1472	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1473		2236
1474	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1475	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1476	};	2240	};
1477		2241
		2242	cf::get_slot 0.02;
		2243
1478	if ($uniq) {	2244	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	2247	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	2249	}
1484	}	2250	}
1485		2251
1486	sub swap_out {	2252	sub swap_out {
1487	my ($self) = @_;	2253	my ($self) = @_;
1488		2254
1489	# save first because save cedes	2255	# save first because save cedes
1490	$self->save;	2256	$self->save;
1491		2257
1492	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1493		2259
1494	return if $self->players;	2260	return if $self->players;
1495	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1496	return if $self->{deny_save};	2262	return if $self->{deny_save};
1497		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1498	$self->clear;	2268	$self->clear;
1499	$self->in_memory (cf::MAP_SWAPPED);
1500	}	2269	}
1501		2270
1502	sub reset_at {	2271	sub reset_at {
1503	my ($self) = @_;	2272	my ($self) = @_;
1504		2273
1505	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1508		2276
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		2279
…		…
1516	my ($self) = @_;	2284	my ($self) = @_;
1517		2285
1518	$self->reset_at <= $cf::RUNTIME	2286	$self->reset_at <= $cf::RUNTIME
1519	}	2287	}
1520		2288
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	2289	sub reset {
1543	my ($self) = @_;	2290	my ($self) = @_;
1544		2291
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2293
1547	return if $self->players;	2294	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		2295
1550	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
		2297
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# need to save uniques path
		2301	unless ($self->{deny_save}) {
		2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2303
		2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2305	if $uniq;
		2306	}
1551		2307
1552	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1553		2309
		2310	$self->deactivate;
1554	$_->clear_links_to ($self) for values %cf::MAP;	2311	$_->clear_links_to ($self) for values %cf::MAP;
		2312	$self->clear;
1555		2313
1556	$self->unlink_save;	2314	$self->unlink_save;
1557	$self->destroy;	2315	$self->destroy;
1558	}	2316	}
1559		2317
1560	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1561		2319
1562	sub nuke {	2320	sub nuke {
1563	my ($self) = @_;	2321	my ($self) = @_;
1564		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
		2326	delete $cf::MAP{$self->path};
		2327
		2328	$self->unlink_save;
		2329
		2330	bless $self, "cf::map";
		2331	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2335
		2336	$cf::MAP{$self->path} = $self;
		2337	}
		2338
1568	$self->reset; # polite request, might not happen	2339	$self->reset; # polite request, might not happen
1569	}	2340	}
1570		2341
1571	sub customise_for {	2342	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2343
1574	if ($map->per_player) {	2344	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2345	maps. May block.
		2346
		2347	=cut
		2348
		2349	sub tmp_maps() {
1576	}	2350	[
1577		2351	map {
1578	$map	2352	utf8::decode $_;
		2353	/\.map$/
		2354	? normalise $_
		2355	: ()
		2356	} @{ aio_readdir $TMPDIR or [] }
		2357	]
1579	}	2358	}
1580		2359
1581	package cf;	2360	=item $maps = cf::map::random_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	random maps. May block.
		2364
		2365	=cut
		2366
		2367	sub random_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise "?random/$_"
		2373	: ()
		2374	} @{ aio_readdir $RANDOMDIR or [] }
		2375	]
		2376	}
		2377
		2378	=item cf::map::unique_maps
		2379
		2380	Returns an arrayref of paths of all shared maps that have
		2381	instantiated unique items. May block.
		2382
		2383	=cut
		2384
		2385	sub unique_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	s/\.map$//; # TODO future compatibility hack
		2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2391	? ()
		2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
		2394	]
		2395	}
1582		2396
1583	=back	2397	=back
1584		2398
1585	=head3 cf::object	2399	=head3 cf::object
1586		2400
…		…
1590		2404
1591	=over 4	2405	=over 4
1592		2406
1593	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1594		2408
1595	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1596		2411
1597	=cut	2412	=cut
1598		2413
1599	sub inv_recursive_;	2414	sub inv_recursive_;
1600	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1603		2418
1604	sub inv_recursive {	2419	sub inv_recursive {
1605	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1606	}	2421	}
1607		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1608	package cf;	2451	package cf;
1609		2452
1610	=back	2453	=back
1611		2454
1612	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1618	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1619	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1620	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1621		2464
1622	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1623		2480
1624	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1625	# with dialog boxes.	2482	# with dialog boxes.
1626	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1627	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1629		2486
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2488
1632	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1634	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1635	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1637	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1638	}	2514	}
1639		2515
1640	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1641		2517
1642	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1655		2531
1656	=item $player_object->enter_link	2532	=item $player_object->enter_link
1657		2533
1658	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
1659		2535
1660	The player should be reaosnably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	2537	I<MUST> call C<leave_link> as soon as possible, though.
1662		2538
		2539	Will never block.
		2540
1663	=item $player_object->leave_link ($map, $x, $y)	2541	=item $player_object->leave_link ($map, $x, $y)
1664		2542
1665	Moves the player out of the specila link map onto the given map. If the	2543	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2544	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2545	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2546	fails, to the emergency map position.
1669		2547
1670	Might block.	2548	Might block.
1671		2549
1672	=cut	2550	=cut
		2551
		2552	sub link_map {
		2553	unless ($LINK_MAP) {
		2554	$LINK_MAP = cf::map::find "{link}"
		2555	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2556	$LINK_MAP->load;
		2557	}
		2558
		2559	$LINK_MAP
		2560	}
1673		2561
1674	sub cf::object::player::enter_link {	2562	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2563	my ($self) = @_;
1676		2564
1677	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1678		2566
1679	return if $self->map == $LINK_MAP;	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2568
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1683		2571
1684	$self->enter_map ($LINK_MAP, 20, 20);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	2573	}
1686		2574
1687	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1689		2579
1690	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1691		2581
1692	unless ($map) {	2582	unless ($map) {
1693	# restore original map position	2583	# restore original map position
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1710		2600
1711	$map->load;	2601	$map->load;
		2602	$map->load_neighbours;
1712		2603
1713	return unless $self->contr->active;	2604	return unless $self->contr->active;
1714	$self->activate_recursive;	2605	$self->activate_recursive;
		2606
		2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1716	}	2609	}
1717		2610
1718	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1719	on_logout => sub {
1720	my ($pl) = @_;
1721		2612
1722	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1723	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1724	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1725	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1726	};	2617	be called at the end of this process.
1727	}
1728	},
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2618
1732	# try to abort aborted map switching on player login :)	2619	Note that $check will be called with a potentially non-loaded map, so if
1733	# should happen only on crashes	2620	it needs a loaded map it has to call C<< ->load >>.
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749		2621
1750	=item $player_object->goto ($path, $x, $y)
1751
1752	=cut	2622	=cut
		2623
		2624	our $GOTOGEN;
1753		2625
1754	sub cf::object::player::goto {	2626	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2627	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2628
1757	$path = new cf::path $path;	2629	# do generation counting so two concurrent goto's will be executed in-order
1758	$path ne "/" or Carp::cluck ("oy");#d#	2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2631
1760	$self->enter_link;	2632	$self->enter_link;
1761		2633
1762	(async {	2634	(async {
1763	my $map = cf::map::find $path->as_string;	2635	$Coro::current->{desc} = "player::goto $path $x $y";
		2636
		2637	# *tag paths override both path and x|y
		2638	if ($path =~ /^\*(.*)$/) {
		2639	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2640	my $ob = $obs[rand @obs];
		2641
		2642	# see if we actually can go there
		2643	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2644	$ob = $obs[rand @obs];
		2645	} else {
		2646	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2647	}
		2648	# else put us there anyways for now #d#
		2649
		2650	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2651	} else {
		2652	($path, $x, $y) = (undef, undef, undef);
		2653	}
		2654	}
		2655
		2656	my $map = eval {
		2657	my $map = defined $path ? cf::map::find $path : undef;
		2658
		2659	if ($map) {
1764	$map = $map->customise_for ($self) if $map;	2660	$map = $map->customise_for ($self);
1765		2661	$map = $check->($map) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2662	} else {
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2663	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2664	}
1770		2665
		2666	$map
		2667	};
		2668
		2669	if ($@) {
		2670	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2671	LOG llevError | logBacktrace, Carp::longmess $@;
		2672	}
		2673
		2674	if ($gen == $self->{_goto_generation}) {
		2675	delete $self->{_goto_generation};
1771	$self->leave_link ($map, $x, $y);	2676	$self->leave_link ($map, $x, $y);
		2677	}
		2678
		2679	$done->() if $done;
1772	})->prio (1);	2680	})->prio (1);
1773	}	2681	}
1774		2682
1775	=item $player_object->enter_exit ($exit_object)	2683	=item $player_object->enter_exit ($exit_object)
1776		2684
…		…
1778		2686
1779	sub parse_random_map_params {	2687	sub parse_random_map_params {
1780	my ($spec) = @_;	2688	my ($spec) = @_;
1781		2689
1782	my $rmp = { # defaults	2690	my $rmp = { # defaults
1783	xsize => 10,	2691	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2692	ysize => (cf::rndm 15, 40),
		2693	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2694	#layout => string,
1785	};	2695	};
1786		2696
1787	for (split /\n/, $spec) {	2697	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2698	my ($k, $v) = split /\s+/, $_, 2;
1789		2699
…		…
1801	# that depends on the exit object	2711	# that depends on the exit object
1802		2712
1803	my $rmp = parse_random_map_params $exit->msg;	2713	my $rmp = parse_random_map_params $exit->msg;
1804		2714
1805	if ($exit->map) {	2715	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2716	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2717	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2718	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2719	$rmp->{origin_y} = $exit->y;
		2720
		2721	$exit->map->touch;
1810	}	2722	}
1811		2723
1812	$rmp->{random_seed} ||= $exit->random_seed;	2724	$rmp->{random_seed} ||= $exit->random_seed;
1813		2725
1814	my $data = cf::to_json $rmp;	2726	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1815	my $md5 = Digest::MD5::md5_hex $data;	2727	my $md5 = Digest::MD5::md5_hex $data;
		2728	my $meta = "$RANDOMDIR/$md5.meta";
1816		2729
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2730	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2731	aio_write $fh, 0, (length $data), $data, 0;
		2732	undef $fh;
		2733	aio_rename "$meta~", $meta;
1819		2734
		2735	my $slaying = "?random/$md5";
		2736
		2737	if ($exit->valid) {
1820	$exit->slaying ("?random/$md5");	2738	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2739	$exit->msg (undef);
		2740	}
1822	}	2741	}
1823	}	2742	}
1824		2743
1825	sub cf::object::player::enter_exit {	2744	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2745	my ($self, $exit) = @_;
…		…
1828	return unless $self->type == cf::PLAYER;	2747	return unless $self->type == cf::PLAYER;
1829		2748
1830	$self->enter_link;	2749	$self->enter_link;
1831		2750
1832	(async {	2751	(async {
1833	$self->deactivate_recursive; # just to be sure	2752	$Coro::current->{desc} = "enter_exit";
		2753
1834	unless (eval {	2754	unless (eval {
		2755	$self->deactivate_recursive; # just to be sure
		2756
		2757	# random map handling
		2758	{
		2759	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2760
1835	prepare_random_map $exit	2761	prepare_random_map $exit
1836	if $exit->slaying eq "/!";	2762	if $exit->slaying eq "/!";
		2763	}
1837		2764
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2765	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2766	my $x = $exit->stats->hp;
		2767	my $y = $exit->stats->sp;
1840		2768
		2769	$self->goto ($map, $x, $y);
		2770
		2771	# if exit is damned, update players death & WoR home-position
		2772	$self->contr->savebed ($map, $x, $y)
		2773	if $exit->flag (cf::FLAG_DAMNED);
		2774
1841	1;	2775	1
1842	}) {	2776	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2777	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	2778	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2779	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2780	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2781
1848	warn "ERROR in enter_exit: $@";	2782	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2783	$self->leave_link;
1850	}	2784	}
1851	})->prio (1);	2785	})->prio (1);
…		…
1864		2798
1865	sub cf::client::send_drawinfo {	2799	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2800	my ($self, $text, $flags) = @_;
1867		2801
1868	utf8::encode $text;	2802	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2803	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2804	}
1871		2805
		2806	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2807
		2808	Send a drawinfo or msg packet to the client, formatting the msg for the
		2809	client if neccessary. C<$type> should be a string identifying the type of
		2810	the message, with C<log> being the default. If C<$color> is negative, suppress
		2811	the message unless the client supports the msg packet.
		2812
		2813	=cut
		2814
		2815	# non-persistent channels (usually the info channel)
		2816	our %CHANNEL = (
		2817	"c/identify" => {
		2818	id => "infobox",
		2819	title => "Identify",
		2820	reply => undef,
		2821	tooltip => "Items recently identified",
		2822	},
		2823	"c/examine" => {
		2824	id => "infobox",
		2825	title => "Examine",
		2826	reply => undef,
		2827	tooltip => "Signs and other items you examined",
		2828	},
		2829	"c/book" => {
		2830	id => "infobox",
		2831	title => "Book",
		2832	reply => undef,
		2833	tooltip => "The contents of a note or book",
		2834	},
		2835	"c/lookat" => {
		2836	id => "infobox",
		2837	title => "Look",
		2838	reply => undef,
		2839	tooltip => "What you saw there",
		2840	},
		2841	"c/who" => {
		2842	id => "infobox",
		2843	title => "Players",
		2844	reply => undef,
		2845	tooltip => "Shows players who are currently online",
		2846	},
		2847	"c/body" => {
		2848	id => "infobox",
		2849	title => "Body Parts",
		2850	reply => undef,
		2851	tooltip => "Shows which body parts you posess and are available",
		2852	},
		2853	"c/uptime" => {
		2854	id => "infobox",
		2855	title => "Uptime",
		2856	reply => undef,
		2857	tooltip => "How long the server has been running since last restart",
		2858	},
		2859	"c/mapinfo" => {
		2860	id => "infobox",
		2861	title => "Map Info",
		2862	reply => undef,
		2863	tooltip => "Information related to the maps",
		2864	},
		2865	"c/party" => {
		2866	id => "party",
		2867	title => "Party",
		2868	reply => "gsay ",
		2869	tooltip => "Messages and chat related to your party",
		2870	},
		2871	);
		2872
		2873	sub cf::client::send_msg {
		2874	my ($self, $channel, $msg, $color, @extra) = @_;
		2875
		2876	$msg = $self->pl->expand_cfpod ($msg);
		2877
		2878	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2879
		2880	# check predefined channels, for the benefit of C
		2881	if ($CHANNEL{$channel}) {
		2882	$channel = $CHANNEL{$channel};
		2883
		2884	$self->ext_msg (channel_info => $channel)
		2885	if $self->can_msg;
		2886
		2887	$channel = $channel->{id};
		2888
		2889	} elsif (ref $channel) {
		2890	# send meta info to client, if not yet sent
		2891	unless (exists $self->{channel}{$channel->{id}}) {
		2892	$self->{channel}{$channel->{id}} = $channel;
		2893	$self->ext_msg (channel_info => $channel)
		2894	if $self->can_msg;
		2895	}
		2896
		2897	$channel = $channel->{id};
		2898	}
		2899
		2900	return unless @extra || length $msg;
		2901
		2902	if ($self->can_msg) {
		2903	# default colour, mask it out
		2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2905	if $color & cf::NDI_DEF;
		2906
		2907	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2909	} else {
		2910	if ($color >= 0) {
		2911	# replace some tags by gcfclient-compatible ones
		2912	for ($msg) {
		2913	1 while
		2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2919	}
		2920
		2921	$color &= cf::NDI_COLOR_MASK;
		2922
		2923	utf8::encode $msg;
		2924
		2925	if (0 && $msg =~ /\[/) {
		2926	# COMMAND/INFO
		2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2928	} else {
		2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2930	$self->send_packet ("drawinfo $color $msg")
		2931	}
		2932	}
		2933	}
		2934	}
		2935
		2936	=item $client->ext_msg ($type, @msg)
		2937
		2938	Sends an ext event to the client.
		2939
		2940	=cut
		2941
		2942	sub cf::client::ext_msg($$@) {
		2943	my ($self, $type, @msg) = @_;
		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2947	} elsif ($self->extcmd == 1) { # TODO: remove
		2948	push @msg, msgtype => "event_$type";
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
		2952
		2953	=item $client->ext_reply ($msgid, @msg)
		2954
		2955	Sends an ext reply to the client.
		2956
		2957	=cut
		2958
		2959	sub cf::client::ext_reply($$@) {
		2960	my ($self, $id, @msg) = @_;
		2961
		2962	if ($self->extcmd == 2) {
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2964	} elsif ($self->extcmd == 1) {
		2965	#TODO: version 1, remove
		2966	unshift @msg, msgtype => "reply", msgid => $id;
		2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2968	}
		2969	}
1872		2970
1873	=item $success = $client->query ($flags, "text", \&cb)	2971	=item $success = $client->query ($flags, "text", \&cb)
1874		2972
1875	Queues a query to the client, calling the given callback with	2973	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1877	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1878		2976
1879	Queries can fail, so check the return code. Or don't, as queries will become	2977	Queries can fail, so check the return code. Or don't, as queries will
1880	reliable at some point in the future.	2978	become reliable at some point in the future.
1881		2979
1882	=cut	2980	=cut
1883		2981
1884	sub cf::client::query {	2982	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	2983	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	2991	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		2993
1896	$self->send_packet ($self->{query_queue}[0][0])	2994	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	2995	if @{ $self->{query_queue} } == 1;
		2996
		2997	1
1898	}	2998	}
1899		2999
1900	cf::client->attach (	3000	cf::client->attach (
		3001	on_connect => sub {
		3002	my ($ns) = @_;
		3003
		3004	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3005	},
1901	on_reply => sub {	3006	on_reply => sub {
1902	my ($ns, $msg) = @_;	3007	my ($ns, $msg) = @_;
1903		3008
1904	# this weird shuffling is so that direct followup queries	3009	# this weird shuffling is so that direct followup queries
1905	# get handled first	3010	# get handled first
1906	my $queue = delete $ns->{query_queue}	3011	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	3012	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		3013
1909	(shift @$queue)->[1]->($msg);	3014	(shift @$queue)->[1]->($msg);
		3015	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		3016
1911	push @{ $ns->{query_queue} }, @$queue;	3017	push @{ $ns->{query_queue} }, @$queue;
1912		3018
1913	if (@{ $ns->{query_queue} } == @$queue) {	3019	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	3020	if (@$queue) {
…		…
1916	} else {	3022	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3023	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	3024	}
1919	}	3025	}
1920	},	3026	},
		3027	on_exticmd => sub {
		3028	my ($ns, $buf) = @_;
		3029
		3030	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3031
		3032	if (ref $msg) {
		3033	my ($type, $reply, @payload) =
		3034	"ARRAY" eq ref $msg
		3035	? @$msg
		3036	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3037
		3038	my @reply;
		3039
		3040	if (my $cb = $EXTICMD{$type}) {
		3041	@reply = $cb->($ns, @payload);
		3042	}
		3043
		3044	$ns->ext_reply ($reply, @reply)
		3045	if $reply;
		3046
		3047	} else {
		3048	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3049	}
		3050
		3051	cf::override;
		3052	},
1921	);	3053	);
1922		3054
1923	=item $client->async (\&cb)	3055	=item $client->async (\&cb)
1924		3056
1925	Create a new coroutine, running the specified callback. The coroutine will	3057	Create a new coroutine, running the specified callback. The coroutine will
…		…
1966	our $safe = new Safe "safe";	3098	our $safe = new Safe "safe";
1967	our $safe_hole = new Safe::Hole;	3099	our $safe_hole = new Safe::Hole;
1968		3100
1969	$SIG{FPE} = 'IGNORE';	3101	$SIG{FPE} = 'IGNORE';
1970		3102
1971	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3103	$safe->permit_only (Opcode::opset qw(
		3104	:base_core :base_mem :base_orig :base_math
		3105	grepstart grepwhile mapstart mapwhile
		3106	sort time
		3107	));
1972		3108
1973	# here we export the classes and methods available to script code	3109	# here we export the classes and methods available to script code
1974		3110
1975	=pod	3111	=pod
1976		3112
1977	The following fucntions and emthods are available within a safe environment:	3113	The following functions and methods are available within a safe environment:
1978		3114
1979	cf::object contr pay_amount pay_player map	3115	cf::object
		3116	contr pay_amount pay_player map x y force_find force_add destroy
		3117	insert remove name archname title slaying race decrease split
		3118
1980	cf::object::player player	3119	cf::object::player
1981	cf::player peaceful	3120	player
1982	cf::map trigger	3121
		3122	cf::player
		3123	peaceful
		3124
		3125	cf::map
		3126	trigger
1983		3127
1984	=cut	3128	=cut
1985		3129
1986	for (	3130	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3132	insert remove inv nrof name archname title slaying race
		3133	decrease split destroy change_exp)],
1988	["cf::object::player" => qw(player)],	3134	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	3135	["cf::player" => qw(peaceful)],
1990	["cf::map" => qw(trigger)],	3136	["cf::map" => qw(trigger)],
1991	) {	3137	) {
1992	no strict 'refs';	3138	no strict 'refs';
…		…
2063	=back	3209	=back
2064		3210
2065	=cut	3211	=cut
2066		3212
2067	#############################################################################	3213	#############################################################################
		3214	# the server's init and main functions
2068		3215
2069	=head2 EXTENSION DATABASE SUPPORT	3216	sub load_facedata($) {
		3217	my ($path) = @_;
2070		3218
2071	Crossfire maintains a very simple database for extension use. It can	3219	# HACK to clear player env face cache, we need some signal framework
2072	currently store anything that can be serialised using Storable, which	3220	# for this (global event?)
2073	excludes objects.	3221	%ext::player_env::MUSIC_FACE_CACHE = ();
2074		3222
2075	The parameter C<$family> should best start with the name of the extension	3223	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2076	using it, it should be unique.
2077		3224
2078	=over 4	3225	warn "loading facedata from $path\n";
2079		3226
2080	=item $hashref = cf::db_get $family	3227	my $facedata;
		3228	0 < aio_load $path, $facedata
		3229	or die "$path: $!";
2081		3230
2082	Return a hashref for use by the extension C<$family>, which can be	3231	$facedata = Coro::Storable::thaw $facedata;
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085		3232
2086	=item $value = cf::db_get $family => $key	3233	$facedata->{version} == 2
		3234	or cf::cleanup "$path: version mismatch, cannot proceed.";
2087		3235
2088	Returns a single value from the database	3236	# patch in the exptable
2089		3237	$facedata->{resource}{"res/exp_table"} = {
2090	=item cf::db_put $family => $hashref	3238	type => FT_RSRC,
2091		3239	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}
2118
2119	my $pid;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	3240	};
		3241	cf::cede_to_tick;
2141		3242
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}	3243	{
		3244	my $faces = $facedata->{faceinfo};
2146		3245
2147	sub db_get($;$) {	3246	while (my ($face, $info) = each %$faces) {
2148	@_ >= 2	3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		3248
2153	sub db_put($$;$) {	3249	cf::face::set_visibility $idx, $info->{visibility};
2154	if (@_ >= 3) {	3250	cf::face::set_magicmap $idx, $info->{magicmap};
2155	$DB->{$_[0]}{$_[1]} = $_[2];	3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2156	} else {	3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		3253
2162	cf::global->attach (	3254	cf::cede_to_tick;
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	3255	}
2167	);
2168	}
2169		3256
2170	#############################################################################	3257	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	3258	next unless $info->{smooth};
2172		3259
2173	sub cfg_load {	3260	my $idx = cf::face::find $face
		3261	or next;
		3262
		3263	if (my $smooth = cf::face::find $info->{smooth}) {
		3264	cf::face::set_smooth $idx, $smooth;
		3265	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3266	} else {
		3267	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3268	}
		3269
		3270	cf::cede_to_tick;
		3271	}
		3272	}
		3273
		3274	{
		3275	my $anims = $facedata->{animinfo};
		3276
		3277	while (my ($anim, $info) = each %$anims) {
		3278	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3279	cf::cede_to_tick;
		3280	}
		3281
		3282	cf::anim::invalidate_all; # d'oh
		3283	}
		3284
		3285	{
		3286	# TODO: for gcfclient pleasure, we should give resources
		3287	# that gcfclient doesn't grok a >10000 face index.
		3288	my $res = $facedata->{resource};
		3289
		3290	while (my ($name, $info) = each %$res) {
		3291	if (defined $info->{type}) {
		3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3293	my $data;
		3294
		3295	if ($info->{type} & 1) {
		3296	# prepend meta info
		3297
		3298	my $meta = $enc->encode ({
		3299	name => $name,
		3300	%{ $info->{meta} || {} },
		3301	});
		3302
		3303	$data = pack "(w/a*)*", $meta, $info->{data};
		3304	} else {
		3305	$data = $info->{data};
		3306	}
		3307
		3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3309	cf::face::set_type $idx, $info->{type};
		3310	} else {
		3311	$RESOURCE{$name} = $info;
		3312	}
		3313
		3314	cf::cede_to_tick;
		3315	}
		3316	}
		3317
		3318	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3319
		3320	1
		3321	}
		3322
		3323	cf::global->attach (on_resource_update => sub {
		3324	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3325	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3326
		3327	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3328	my $sound = $soundconf->{compat}[$_]
		3329	or next;
		3330
		3331	my $face = cf::face::find "sound/$sound->[1]";
		3332	cf::sound::set $sound->[0] => $face;
		3333	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3334	}
		3335
		3336	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3337	my $face = cf::face::find "sound/$v";
		3338	cf::sound::set $k => $face;
		3339	}
		3340	}
		3341	});
		3342
		3343	register_exticmd fx_want => sub {
		3344	my ($ns, $want) = @_;
		3345
		3346	while (my ($k, $v) = each %$want) {
		3347	$ns->fx_want ($k, $v);
		3348	}
		3349	};
		3350
		3351	sub load_resource_file($) {
		3352	my $guard = lock_acquire "load_resource_file";
		3353
		3354	my $status = load_resource_file_ $_[0];
		3355	get_slot 0.1, 100;
		3356	cf::arch::commit_load;
		3357
		3358	$status
		3359	}
		3360
		3361	sub reload_regions {
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	load_resource_file "$MAPDIR/regions"
		3367	or die "unable to load regions file\n";
		3368
		3369	for (cf::region::list) {
		3370	$_->{match} = qr/$_->{match}/
		3371	if exists $_->{match};
		3372	}
		3373	}
		3374
		3375	sub reload_facedata {
		3376	load_facedata "$DATADIR/facedata"
		3377	or die "unable to load facedata\n";
		3378	}
		3379
		3380	sub reload_archetypes {
		3381	load_resource_file "$DATADIR/archetypes"
		3382	or die "unable to load archetypes\n";
		3383	}
		3384
		3385	sub reload_treasures {
		3386	load_resource_file "$DATADIR/treasures"
		3387	or die "unable to load treasurelists\n";
		3388	}
		3389
		3390	sub reload_resources {
		3391	warn "reloading resource files...\n";
		3392
		3393	reload_facedata;
		3394	reload_archetypes;
		3395	reload_regions;
		3396	reload_treasures;
		3397
		3398	warn "finished reloading resource files\n";
		3399	}
		3400
		3401	sub init {
		3402	my $guard = freeze_mainloop;
		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	reload_resources;
		3407	}
		3408
		3409	sub reload_config {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	3410	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	3411	or return;
2176		3412
2177	local $/;	3413	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	3414	*CFG = YAML::Load <$fh>;
2179		3415
2180	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2181		3417
2182	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3418	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2183	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2193		3429
2194	sub main {	3430	sub main {
2195	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2198	async { Event::one_event };	3434	(async {
		3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
		3437	})->prio (Coro::PRIO_MAX);
2199	};	3438	};
2200		3439
2201	cfg_load;	3440	{
2202	db_load;	3441	my $guard = freeze_mainloop;
		3442	reload_config;
		3443	db_init;
2203	load_extensions;	3444	load_extensions;
		3445
		3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3447	}
		3448
2204	Event::loop;	3449	EV::loop;
2205	}	3450	}
2206		3451
2207	#############################################################################	3452	#############################################################################
2208	# initialisation and cleanup	3453	# initialisation and cleanup
2209		3454
2210	# install some emergency cleanup handlers	3455	# install some emergency cleanup handlers
2211	BEGIN {	3456	BEGIN {
		3457	our %SIGWATCHER = ();
2212	for my $signal (qw(INT HUP TERM)) {	3458	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	3459	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2214	data => WF_AUTOCANCEL,
2215	signal => $signal,
2216	cb => sub {
2217	cf::cleanup "SIG$signal";	3460	cf::cleanup "SIG$signal";
2218	},
2219	);	3461	};
		3462	}
		3463	}
		3464
		3465	sub write_runtime_sync {
		3466	my $runtime = "$LOCALDIR/runtime";
		3467
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $runtime, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$runtime~", $runtime
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2220	}	3500	1
2221	}	3501	}
2222		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3518	$uuid_skip = 0;
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	close $fh
		3528	or return;
		3529
		3530	aio_rename "$uuid~", $uuid
		3531	and return;
		3532
		3533	warn "uuid file written ($value).\n";
		3534
		3535	1
		3536
		3537	}
		3538
		3539	sub write_uuid($$) {
		3540	my ($skip, $sync) = @_;
		3541
		3542	$sync ? write_uuid_sync $skip
		3543	: async { write_uuid_sync $skip };
		3544	}
		3545
2223	sub emergency_save {	3546	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	3547	my $freeze_guard = cf::freeze_mainloop;
2225		3548
2226	warn "enter emergency perl save\n";	3549	warn "enter emergency perl save\n";
2227		3550
2228	cf::sync_job {	3551	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	3555	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2236	$pl->save;	3560	$pl->save;
2237	}	3561	}
2238	warn "end emergency player save\n";	3562	warn "end emergency player save\n";
2239		3563
2240	warn "begin emergency map save\n";	3564	warn "begin emergency map save\n";
…		…
2242	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	3567	$map->valid or next;
2244	$map->save;	3568	$map->save;
2245	}	3569	}
2246	warn "end emergency map save\n";	3570	warn "end emergency map save\n";
		3571
		3572	warn "begin emergency database checkpoint\n";
		3573	BDB::db_env_txn_checkpoint $DB_ENV;
		3574	warn "end emergency database checkpoint\n";
		3575
		3576	warn "begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "end write uuid\n";
2247	};	3579	};
2248		3580
2249	warn "leave emergency perl save\n";	3581	warn "leave emergency perl save\n";
2250	}	3582	}
2251		3583
		3584	sub post_cleanup {
		3585	my ($make_core) = @_;
		3586
		3587	warn Carp::longmess "post_cleanup backtrace"
		3588	if $make_core;
		3589	}
		3590
2252	sub reload() {	3591	sub do_reload_perl() {
2253	# can/must only be called in main	3592	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	3593	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	3594	warn "can only reload from main coroutine";
2256	return;	3595	return;
2257	}	3596	}
2258		3597
2259	warn "reloading...";	3598	warn "reloading...";
2260		3599
2261	my $guard = freeze_mainloop;	3600	warn "entering sync_job";
		3601
		3602	cf::sync_job {
		3603	cf::write_runtime_sync; # external watchdog should not bark
2262	cf::emergency_save;	3604	cf::emergency_save;
		3605	cf::write_runtime_sync; # external watchdog should not bark
2263		3606
2264	eval {	3607	warn "syncing database to disk";
		3608	BDB::db_env_txn_checkpoint $DB_ENV;
		3609
2265	# if anything goes wrong in here, we should simply crash as we already saved	3610	# if anything goes wrong in here, we should simply crash as we already saved
2266		3611
2267	# cancel all watchers	3612	warn "flushing outstanding aio requests";
2268	for (Event::all_watchers) {	3613	for (;;) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	3614	BDB::flush;
		3615	IO::AIO::flush;
		3616	Coro::cede_notself;
		3617	last unless IO::AIO::nreqs || BDB::nreqs;
		3618	warn "iterate...";
2270	}	3619	}
2271		3620
		3621	++$RELOAD;
		3622
2272	# cancel all extension coros	3623	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	3624	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	3625	%EXT_CORO = ();
2275		3626
2276	# unload all extensions	3627	warn "removing commands";
2277	for (@exts) {	3628	%COMMAND = ();
		3629
		3630	warn "removing ext/exti commands";
		3631	%EXTCMD = ();
		3632	%EXTICMD = ();
		3633
		3634	warn "unloading/nuking all extensions";
		3635	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	3636	warn "... unloading $pkg";
2279	unload_extension $_;	3637
		3638	if (my $cb = $pkg->can ("unload")) {
		3639	eval {
		3640	$cb->($pkg);
		3641	1
		3642	} or warn "$pkg unloaded, but with errors: $@";
2280	}	3643	}
2281		3644
		3645	warn "... nuking $pkg";
		3646	Symbol::delete_package $pkg;
		3647	}
		3648
2282	# unload all modules loaded from $LIBDIR	3649	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	3650	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3651	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		3652
2286	warn "removing <$k>";	3653	warn "... unloading $k";
2287	delete $INC{$k};	3654	delete $INC{$k};
2288		3655
2289	$k =~ s/\.pm$//;	3656	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	3657	$k =~ s/\//::/g;
2291		3658
…		…
2294	}	3661	}
2295		3662
2296	Symbol::delete_package $k;	3663	Symbol::delete_package $k;
2297	}	3664	}
2298		3665
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	3666	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	3667	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3668	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		3669
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	3670	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	3671	delete $INC{"cf.pm"};
		3672	delete $INC{"cf/pod.pm"};
2312		3673
2313	# don't, removes xs symbols, too,	3674	# don't, removes xs symbols, too,
2314	# and global variables created in xs	3675	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	3676	#Symbol::delete_package __PACKAGE__;
2316		3677
2317	# reload cf.pm	3678	warn "unload completed, starting to reload now";
		3679
2318	warn "reloading cf.pm";	3680	warn "reloading cf.pm";
2319	require cf;	3681	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		3683
2322	# load config and database again	3684	warn "loading config and database again";
2323	cf::cfg_load;	3685	cf::reload_config;
2324	cf::db_load;
2325		3686
2326	# load extensions
2327	warn "load extensions";	3687	warn "loading extensions";
2328	cf::load_extensions;	3688	cf::load_extensions;
2329		3689
2330	# reattach attachments to objects	3690	warn "reattaching attachments to objects/players";
2331	warn "reattach";	3691	_global_reattach; # objects, sockets
2332	_global_reattach;	3692	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	3693	reattach $_ for values %MAP;
		3694	warn "reattaching attachments to players";
		3695	reattach $_ for values %PLAYER;
		3696
		3697	warn "leaving sync_job";
		3698
		3699	1
		3700	} or do {
		3701	warn $@;
		3702	cf::cleanup "error while reloading, exiting.";
2334	};	3703	};
2335		3704
2336	if ($@) {	3705	warn "reloaded";
2337	warn $@;
2338	warn "error while reloading, exiting.";
2339	exit 1;
2340	}
2341
2342	warn "reloaded successfully";
2343	};	3706	};
2344		3707
2345	#############################################################################	3708	our $RELOAD_WATCHER; # used only during reload
2346		3709
2347	unless ($LINK_MAP) {	3710	sub reload_perl() {
2348	$LINK_MAP = cf::map::new;	3711	# doing reload synchronously and two reloads happen back-to-back,
		3712	# coro crashes during coro_state_free->destroy here.
2349		3713
2350	$LINK_MAP->width (41);	3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2351	$LINK_MAP->height (41);	3715	do_reload_perl;
2352	$LINK_MAP->alloc;	3716	undef $RELOAD_WATCHER;
2353	$LINK_MAP->path ("{link}");	3717	};
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	3718	}
2387
2388	register "<global>", __PACKAGE__;
2389		3719
2390	register_command "reload" => sub {	3720	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	3721	my ($who, $arg) = @_;
2392		3722
2393	if ($who->flag (FLAG_WIZ)) {	3723	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	3724	$who->message ("reloading server.");
		3725	async {
		3726	$Coro::current->{desc} = "perl_reload";
		3727	reload_perl;
		3728	};
2397	}	3729	}
2398	};	3730	};
2399		3731
2400	unshift @INC, $LIBDIR;	3732	unshift @INC, $LIBDIR;
2401		3733
2402	$TICK_WATCHER = Event->timer (	3734	my $bug_warning = 0;
2403	reentrant => 0,	3735
2404	prio => 0,	3736	our @WAIT_FOR_TICK;
2405	at => $NEXT_TICK || $TICK,	3737	our @WAIT_FOR_TICK_BEGIN;
2406	data => WF_AUTOCANCEL,	3738
2407	cb => sub {	3739	sub wait_for_tick {
		3740	return if tick_inhibit || $Coro::current == $Coro::main;
		3741
		3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub wait_for_tick_begin {
		3748	return if tick_inhibit || $Coro::current == $Coro::main;
		3749
		3750	my $signal = new Coro::Signal;
		3751	push @WAIT_FOR_TICK_BEGIN, $signal;
		3752	$signal->wait;
		3753	}
		3754
		3755	sub tick {
		3756	if ($Coro::current != $Coro::main) {
		3757	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3758	unless ++$bug_warning > 10;
		3759	return;
		3760	}
		3761
2408	cf::server_tick; # one server iteration	3762	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;
2411		3763
2412	$WAIT_FOR_TICK->broadcast;	3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3765	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2414		3766	Coro::async_pool {
2415	# if we are delayed by four ticks or more, skip them all	3767	$Coro::current->{desc} = "runtime saver";
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417
2418	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;
2420	},
2421	);
2422
2423	IO::AIO::max_poll_time $TICK * 0.2;
2424
2425	Event->io (
2426	fd => IO::AIO::poll_fileno,
2427	poll => 'r',
2428	prio => 5,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,
2435	after => 0,
2436	interval => 10,
2437	cb => sub {
2438	(Coro::unblock_sub {
2439	write_runtime	3768	write_runtime_sync
2440	or warn "ERROR: unable to write runtime file: $!";	3769	or warn "ERROR: unable to write runtime file: $!";
2441	})->();	3770	};
2442	},	3771	}
2443	);	3772
		3773	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3774	$sig->send;
		3775	}
		3776	while (my $sig = shift @WAIT_FOR_TICK) {
		3777	$sig->send;
		3778	}
		3779
		3780	$LOAD = ($NOW - $TICK_START) / $TICK;
		3781	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3782
		3783	if (0) {
		3784	if ($NEXT_TICK) {
		3785	my $jitter = $TICK_START - $NEXT_TICK;
		3786	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3787	warn "jitter $JITTER\n";#d#
		3788	}
		3789	}
		3790	}
		3791
		3792	{
		3793	# configure BDB
		3794
		3795	BDB::min_parallel 8;
		3796	BDB::max_poll_reqs $TICK * 0.1;
		3797	$AnyEvent::BDB::WATCHER->priority (1);
		3798
		3799	unless ($DB_ENV) {
		3800	$DB_ENV = BDB::db_env_create;
		3801	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3802	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3803	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3804	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3805	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3806
		3807	cf::sync_job {
		3808	eval {
		3809	BDB::db_env_open
		3810	$DB_ENV,
		3811	$BDBDIR,
		3812	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3813	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3814	0666;
		3815
		3816	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3817	};
		3818
		3819	cf::cleanup "db_env_open(db): $@" if $@;
		3820	};
		3821	}
		3822
		3823	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3824	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3825	};
		3826	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3827	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3828	};
		3829	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3830	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3831	};
		3832	}
		3833
		3834	{
		3835	# configure IO::AIO
		3836
		3837	IO::AIO::min_parallel 8;
		3838	IO::AIO::max_poll_time $TICK * 0.1;
		3839	undef $AnyEvent::AIO::WATCHER;
		3840	}
		3841
		3842	my $_log_backtrace;
		3843
		3844	sub _log_backtrace {
		3845	my ($msg, @addr) = @_;
		3846
		3847	$msg =~ s/\n//;
		3848
		3849	# limit the # of concurrent backtraces
		3850	if ($_log_backtrace < 2) {
		3851	++$_log_backtrace;
		3852	async {
		3853	$Coro::current->{desc} = "abt $msg";
		3854
		3855	my @bt = fork_call {
		3856	@addr = map { sprintf "%x", $_ } @addr;
		3857	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3858	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3859	or die "addr2line: $!";
		3860
		3861	my @funcs;
		3862	my @res = <$fh>;
		3863	chomp for @res;
		3864	while (@res) {
		3865	my ($func, $line) = splice @res, 0, 2, ();
		3866	push @funcs, "[$func] $line";
		3867	}
		3868
		3869	@funcs
		3870	};
		3871
		3872	LOG llevInfo, "[ABT] $msg\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
		3879	}
		3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2444		3884
2445	END { cf::emergency_save }	3885	END { cf::emergency_save }
2446		3886
2447	1	3887	1
2448		3888

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