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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 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;
		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	IO::AIO::max_poll_reqs 1;#d#
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	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		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
		81	our %EXT_MAP = (); # pluggable maps
42		82
		83	our $RELOAD; # number of reloads so far
43	our @EVENT;	84	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		85
46	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
47	our $TICK_WATCHER;	87	our $DATADIR = datadir;
		88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	101	our $NEXT_TICK;
49	our $NOW;	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
50		108
51	our %CFG;	109	our %CFG;
52		110
53	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
55		114
56	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	117	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		118
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	119	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
63		126
64	binmode STDOUT;	127	binmode STDOUT;
65	binmode STDERR;	128	binmode STDERR;
66		129
67	# read virtual server time, if available	130	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
72	}	135	}
73		136
74	mkdir cf::localdir;	137	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		139
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
		141
		142	sub cf::map::normalise;
83		143
84	#############################################################################	144	#############################################################################
85		145
86	=head2 GLOBAL VARIABLES	146	=head2 GLOBAL VARIABLES
87		147
…		…
94	=item $cf::RUNTIME	154	=item $cf::RUNTIME
95		155
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	157	every server tick.
98		158
99	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		162
101	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
103		167
104	=item $cf::NOW	168	=item $cf::NOW
105		169
106	The time of the last (current) server tick.	170	The time of the last (current) server tick.
107		171
108	=item $cf::TICK	172	=item $cf::TICK
109		173
110	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
111		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
112	=item %cf::CFG	186	=item %cf::CFG
113		187
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	189	from wherever your confdir points to.
116		190
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		192
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
123		202
124	=back	203	=back
125		204
126	=cut	205	=cut
127		206
128	BEGIN {	207	BEGIN {
129	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	209	my $msg = join "", @_;
131	utf8::encode $msg;
132		210
133	$msg .= "\n"	211	$msg .= "\n"
134	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
135		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
136	LOG llevError, $msg;	216	LOG llevError, $msg;
137	};	217	};
138	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
139		234
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		242
147	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	244	# within the Safe compartment.
149	for my $pkg (qw(	245	for my $pkg (qw(
150	cf::global cf::attachable	246	cf::global cf::attachable
…		…
155	)) {	251	)) {
156	no strict 'refs';	252	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	254	}
159		255
160	$Event::DIED = sub {	256	$EV::DIED = sub {
161	warn "error in event callback: @_";	257	warn "error in event callback: @_";
162	};	258	};
		259
		260	#############################################################################
163		261
164	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
165		263
166	=over 4	264	=over 4
167		265
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	285	$d
188	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
189	}	287	}
190		288
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
194		290
195	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
196		292
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
205		294
206	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
207		296
208	=cut	297	=cut
209		298
210	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
212	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
213	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
214		303
215	=item cf::lock_wait $string	304	=item cf::lock_wait $string
216		305
217	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
218		307
…		…
221	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
223	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
224	returned.	313	returned.
225		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
226	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
228		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
229	=cut	325	=cut
230		326
231	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
232		329
233	sub lock_wait($) {	330	sub lock_wait($) {
234	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
235		337
236	# wait for lock, if any	338	# wait for lock, if any
237	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;	341	Coro::schedule;
…		…
245		347
246	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
247	lock_wait $key;	349	lock_wait $key;
248		350
249	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
250		353
251	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
252	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
254	}	358	}
255	}	359	}
256		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
257	sub freeze_mainloop {	367	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
259		369
260	my $guard = Coro::guard { $TICK_WATCHER->start };	370	Coro::guard \&tick_inhibit_dec;
261	$TICK_WATCHER->stop;	371	}
262	$guard	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
		431	}
		432	};
		433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
263	}	446	}
264		447
265	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
266		449
267	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		455
273	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
274		457
275	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
276		459
277	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
280		464
281	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
284	fast or be very important.	468	fast or be very important.
…		…
287		471
288	sub sync_job(&) {	472	sub sync_job(&) {
289	my ($job) = @_;	473	my ($job) = @_;
290		474
291	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
292	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
294		480
295	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
296	# (but this is cancel-safe)	482
297	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
298		484
299	my $busy = 1;	485	my $busy = 1;
300	my @res;	486	my @res;
301		487
302	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	490	@res = eval { $job->() };
304	warn $@ if $@;	491	warn $@ if $@;
305	undef $busy;	492	undef $busy;
306	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
307		494
308	while ($busy) {	495	while ($busy) {
309	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
310	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
311		506
312	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
313	} else {	508	} else {
314	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
315		510
…		…
335	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
336		531
337	$coro	532	$coro
338	}	533	}
339		534
340	sub write_runtime {	535	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		536
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
344	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
345		541
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	542	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		543
350	aio_fsync $fh	544	sub fork_call(&@) {
351	and return;	545	my ($cb, @args) = @_;
352		546
353	close $fh	547	# we seemingly have to make a local copy of the whole thing,
354	or return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
355		550
356	aio_rename "$runtime~", $runtime	551	my @res = Coro::Util::fork_eval {
357	and return;	552	reset_signals;
		553	&$cb
		554	}, @args;
358		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
359	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	722	}
361		723
362	=back	724	=back
363		725
364	=cut	726	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		727
493	#############################################################################	728	#############################################################################
494		729
495	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
496		731
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
500		735
501	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	738	Deliantra).
504		739
505	=over 4	740	=over 4
506		741
507	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
508		743
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	857	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	858	our @CB_MAP = ();
624		859
625	my %attachment;	860	my %attachment;
626		861
		862	sub cf::attachable::thawer_merge {
		863	# simply override everything except _meta
		864	local $_[0]{_meta};
		865	%{$_[0]} = %{$_[1]};
		866	}
		867
627	sub _attach_cb($$$$) {	868	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	869	my ($registry, $event, $prio, $cb) = @_;
629		870
630	use sort 'stable';	871	use sort 'stable';
631		872
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
666		907
667	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		912
672	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	914	my $pkg = shift @arg;
674		915
675	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
705	}	946	}
706		947
707	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
708	} else {	949	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	951	}
711		952
712	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
713	}	954	}
714		955
…		…
716	if (ref $_[0]) {	957	if (ref $_[0]) {
717	_object_attach @_;	958	_object_attach @_;
718	} else {	959	} else {
719	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
720	}	961	}
		962	_recalc_want;
721	};	963	};
722		964
723	# all those should be optimised	965	# all those should be optimised
724	sub cf::attachable::detach {	966	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
729	reattach ($obj);	971	reattach ($obj);
730	} else {	972	} else {
731	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
732	}	974	}
		975	_recalc_want;
733	};	976	};
734		977
735	sub cf::attachable::attached {	978	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
737		980
…		…
752	";	995	";
753	die if $@;	996	die if $@;
754	}	997	}
755		998
756	our $override;	999	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		1001
759	sub override {	1002	sub override {
760	$override = 1;	1003	$override = 1;
761	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
762	}	1005	}
763		1006
764	sub do_invoke {	1007	sub do_invoke {
765	my $event = shift;	1008	my $event = shift;
766	my $callbacks = shift;	1009	my $callbacks = shift;
767		1010
768	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
769		1012
770	local $override;	1013	local $override;
771		1014
772	for (@$callbacks) {	1015	for (@$callbacks) {
773	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
782	}	1025	}
783		1026
784	0	1027	0
785	}	1028	}
786		1029
787	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788		1031
789	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790		1033
791	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
792		1035
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		1039
797	=back	1040	=back
798		1041
799	=cut	1042	=cut
800		1043
801	#############################################################################	1044	#############################################################################
802	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
803		1088
804	sub reattach {	1089	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	1091	my ($obj) = @_;
		1092
		1093	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		1094
808	my $registry = $obj->registry;	1095	my $registry = $obj->registry;
809		1096
810	@$registry = ();	1097	@$registry = ();
811		1098
…		…
826	cf::attachable->attach (	1113	cf::attachable->attach (
827	prio => -1000000,	1114	prio => -1000000,
828	on_instantiate => sub {	1115	on_instantiate => sub {
829	my ($obj, $data) = @_;	1116	my ($obj, $data) = @_;
830		1117
831	$data = from_json $data;	1118	$data = decode_json $data;
832		1119
833	for (@$data) {	1120	for (@$data) {
834	my ($name, $args) = @$_;	1121	my ($name, $args) = @$_;
835		1122
836	$obj->attach ($name, %{$args || {} });	1123	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1139	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1140	my ($filename, $rdata, $objs) = @_;
854		1141
855	sync_job {	1142	sync_job {
856	if (length $$rdata) {	1143	if (length $$rdata) {
		1144	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1145	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1146	$decname, length $$rdata, scalar @$objs;
859		1147
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1149	aio_chmod $fh, SAVE_MODE;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1151	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1152	aio_close $fh;
865		1153
866	if (@$objs) {	1154	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1158	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1159	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1160	aio_close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1161	aio_rename "$filename.pst~", "$filename.pst";
874	}	1162	}
875	} else {	1163	} else {
876	aio_unlink "$filename.pst";	1164	aio_unlink "$filename.pst";
877	}	1165	}
…		…
882	}	1170	}
883	} else {	1171	} else {
884	aio_unlink $filename;	1172	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1173	aio_unlink "$filename.pst";
886	}	1174	}
887	}	1175	};
888	}	1176	}
889		1177
890	sub object_freezer_as_string {	1178	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1179	my ($rdata, $objs) = @_;
892		1180
…		…
904	or return;	1192	or return;
905		1193
906	unless (aio_stat "$filename.pst") {	1194	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1195	(aio_load "$filename.pst", $av) >= 0
908	or return;	1196	or return;
		1197
909	$av = eval { (Storable::thaw $av)->{objs} };	1198	my $st = eval { Coro::Storable::thaw $av };
		1199	$av = $st->{objs};
910	}	1200	}
911		1201
		1202	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1203	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1204	$decname, length $data, scalar @{$av || []};
		1205
914	return ($data, $av);	1206	($data, $av)
915	}	1207	}
		1208
		1209	=head2 COMMAND CALLBACKS
		1210
		1211	=over 4
		1212
		1213	=cut
916		1214
917	#############################################################################	1215	#############################################################################
918	# command handling &c	1216	# command handling &c
919		1217
920	=item cf::register_command $name => \&callback($ob,$args);	1218	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1231	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1232	}
935		1233
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1234	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1235
938	Register a callbackf ro execution when the client sends an extcmd packet.	1236	Register a callback for execution when the client sends an (synchronous)
		1237	extcmd packet. Ext commands will be processed in the order they are
		1238	received by the server, like other user commands. The first argument is
		1239	the logged-in player. Ext commands can only be processed after a player
		1240	has logged in successfully.
939		1241
940	If the callback returns something, it is sent back as if reply was being	1242	If the callback returns something, it is sent back as if reply was being
941	called.	1243	called.
942		1244
		1245	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1246
		1247	Register a callback for execution when the client sends an (asynchronous)
		1248	exticmd packet. Exti commands are processed by the server as soon as they
		1249	are received, i.e. out of order w.r.t. other commands. The first argument
		1250	is a client socket. Exti commands can be received anytime, even before
		1251	log-in.
		1252
		1253	If the callback returns something, it is sent back as if reply was being
		1254	called.
		1255
943	=cut	1256	=cut
944		1257
945	sub register_extcmd {	1258	sub register_extcmd {
946	my ($name, $cb) = @_;	1259	my ($name, $cb) = @_;
947		1260
948	$EXTCMD{$name} = $cb;	1261	$EXTCMD{$name} = $cb;
		1262	}
		1263
		1264	sub register_exticmd {
		1265	my ($name, $cb) = @_;
		1266
		1267	$EXTICMD{$name} = $cb;
949	}	1268	}
950		1269
951	cf::player->attach (	1270	cf::player->attach (
952	on_command => sub {	1271	on_command => sub {
953	my ($pl, $name, $params) = @_;	1272	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1281	cf::override;
963	},	1282	},
964	on_extcmd => sub {	1283	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1284	my ($pl, $buf) = @_;
966		1285
967	my $msg = eval { from_json $buf };	1286	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1287
969	if (ref $msg) {	1288	if (ref $msg) {
		1289	my ($type, $reply, @payload) =
		1290	"ARRAY" eq ref $msg
		1291	? @$msg
		1292	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1293
		1294	my @reply;
		1295
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1296	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1297	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1298	}
		1299
		1300	$pl->ext_reply ($reply, @reply)
		1301	if $reply;
		1302
975	} else {	1303	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1304	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1305	}
978		1306
979	cf::override;	1307	cf::override;
980	},	1308	},
981	);	1309	);
982		1310
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1311	sub load_extensions {
		1312	cf::sync_job {
		1313	my %todo;
		1314
1011	for my $ext (<$LIBDIR/*.ext>) {	1315	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1316	next unless -r $path;
1013	eval {	1317
1014	load_extension $ext;	1318	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1319	my $base = $1;
		1320	my $pkg = $1;
		1321	$pkg =~ s/[^[:word:]]/_/g;
		1322	$pkg = "ext::$pkg";
		1323
		1324	open my $fh, "<:utf8", $path
		1325	or die "$path: $!";
		1326
		1327	my $source = do { local $/; <$fh> };
		1328
		1329	my %ext = (
		1330	path => $path,
		1331	base => $base,
		1332	pkg => $pkg,
		1333	);
		1334
		1335	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1336	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1337
		1338	$ext{source} =
		1339	"package $pkg; use strict; use utf8;\n"
		1340	. "#line 1 \"$path\"\n{\n"
		1341	. $source
		1342	. "\n};\n1";
		1343
		1344	$todo{$base} = \%ext;
		1345	}
		1346
		1347	my %done;
		1348	while (%todo) {
		1349	my $progress;
		1350
		1351	while (my ($k, $v) = each %todo) {
		1352	for (split /,\s*/, $v->{meta}{depends}) {
		1353	goto skip
		1354	unless exists $done{$_};
		1355	}
		1356
		1357	warn "... loading '$k' into '$v->{pkg}'\n";
		1358
		1359	unless (eval $v->{source}) {
		1360	my $msg = $@ ? "$v->{path}: $@\n"
		1361	: "$v->{base}: extension inactive.\n";
		1362
		1363	if (exists $v->{meta}{mandatory}) {
		1364	warn $msg;
		1365	cf::cleanup "mandatory extension failed to load, exiting.";
		1366	}
		1367
		1368	warn $msg;
		1369	}
		1370
		1371	$done{$k} = delete $todo{$k};
		1372	push @EXTS, $v->{pkg};
		1373	$progress = 1;
1015	1	1374	}
1016	} or warn "$ext not loaded: $@";	1375
		1376	skip:
		1377	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1378	unless $progress;
		1379	}
1017	}	1380	};
1018	}	1381	}
1019		1382
1020	#############################################################################	1383	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1384
1023	*cf::mapsupport::on_clean = sub {	1385	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1386
1036	=head2 CORE EXTENSIONS	1387	=head2 CORE EXTENSIONS
1037		1388
1038	Functions and methods that extend core crossfire objects.	1389	Functions and methods that extend core crossfire objects.
1039		1390
…		…
1045		1396
1046	=head3 cf::player	1397	=head3 cf::player
1047		1398
1048	=over 4	1399	=over 4
1049		1400
		1401	=item cf::player::num_playing
		1402
		1403	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1404
		1405	=cut
		1406
		1407	sub num_playing {
		1408	scalar grep
		1409	$_->ob->map
		1410	&& !$_->hidden
		1411	&& !$_->ob->flag (cf::FLAG_WIZ),
		1412	cf::player::list
		1413	}
		1414
1050	=item cf::player::find $login	1415	=item cf::player::find $login
1051		1416
1052	Returns the given player object, loading it if necessary (might block).	1417	Returns the given player object, loading it if necessary (might block).
1053		1418
1054	=cut	1419	=cut
1055		1420
1056	sub playerdir($) {	1421	sub playerdir($) {
1057	cf::localdir	1422	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1423	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1424	}
1063		1425
1064	sub path($) {	1426	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1427	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1428
1067	(playerdir $login) . "/$login.pl"	1429	(playerdir $login) . "/playerdata"
1068	}	1430	}
1069		1431
1070	sub find_active($) {	1432	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1433	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1434	and $cf::PLAYER{$_[0]}->active
…		…
1075		1437
1076	sub exists($) {	1438	sub exists($) {
1077	my ($login) = @_;	1439	my ($login) = @_;
1078		1440
1079	$cf::PLAYER{$login}	1441	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1442	or cf::sync_job { !aio_stat path $login }
1081	}	1443	}
1082		1444
1083	sub find($) {	1445	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1446	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1447	my $login = $_[0];
1086		1448
1087	my $guard = cf::lock_acquire "user_find:$login";	1449	my $guard = cf::lock_acquire "user_find:$login";
1088		1450
1089	$cf::PLAYER{$_[0]} || do {	1451	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1452	# rename old playerfiles to new ones
		1453	#TODO: remove when no longer required
		1454	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1455	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1456	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1457	aio_unlink +(playerdir $login) . "/$login.pl";
		1458
		1459	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1460	or return;
		1461
		1462	my $pl = cf::player::load_pl $f
		1463	or return;
		1464
		1465	local $cf::PLAYER_LOADING{$login} = $pl;
		1466	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1467	$cf::PLAYER{$login} = $pl
1093	}	1468	}
1094	}	1469	}
1095	}	1470	}
1096		1471
…		…
1105	return if $pl->{deny_save};	1480	return if $pl->{deny_save};
1106		1481
1107	aio_mkdir playerdir $pl, 0770;	1482	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1483	$pl->{last_save} = $cf::RUNTIME;
1109		1484
		1485	cf::get_slot 0.01;
		1486
1110	$pl->save_pl ($path);	1487	$pl->save_pl ($path);
1111	Coro::cede;	1488	cf::cede_to_tick;
1112	}	1489	}
1113		1490
1114	sub new($) {	1491	sub new($) {
1115	my ($login) = @_;	1492	my ($login) = @_;
1116		1493
…		…
1122	$cf::PLAYER{$login} = $self;	1499	$cf::PLAYER{$login} = $self;
1123		1500
1124	$self	1501	$self
1125	}	1502	}
1126		1503
		1504	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1505
		1506	=cut
		1507
		1508	sub send_msg {
		1509	my $ns = shift->ns
		1510	or return;
		1511	$ns->send_msg (@_);
		1512	}
		1513
1127	=item $pl->quit_character	1514	=item $pl->quit_character
1128		1515
1129	Nukes the player without looking back. If logged in, the connection will	1516	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1517	be destroyed. May block for a long time.
1131		1518
1132	=cut	1519	=cut
1133		1520
1134	sub quit_character {	1521	sub quit_character {
1135	my ($pl) = @_;	1522	my ($pl) = @_;
1136		1523
		1524	my $name = $pl->ob->name;
		1525
1137	$pl->{deny_save} = 1;	1526	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1527	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1528
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141	$pl->deactivate;	1530	$pl->deactivate;
		1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1532	$pl->ob->check_score;
1142	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1143	$pl->ns->destroy if $pl->ns;	1534	$pl->ns->destroy if $pl->ns;
1144		1535
1145	my $path = playerdir $pl;	1536	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1537	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1538	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1539	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1540	$pl->destroy;
		1541
		1542	my $prefix = qr<^~\Q$name\E/>;
		1543
		1544	# nuke player maps
		1545	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1546
1150	IO::AIO::aio_rmtree $temp;	1547	IO::AIO::aio_rmtree $temp;
		1548	}
		1549
		1550	=item $pl->kick
		1551
		1552	Kicks a player out of the game. This destroys the connection.
		1553
		1554	=cut
		1555
		1556	sub kick {
		1557	my ($pl, $kicker) = @_;
		1558
		1559	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1560	$pl->killer ("kicked");
		1561	$pl->ns->destroy;
1151	}	1562	}
1152		1563
1153	=item cf::player::list_logins	1564	=item cf::player::list_logins
1154		1565
1155	Returns am arrayref of all valid playernames in the system, can take a	1566	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1567	while and may block, so not sync_job-capable, ever.
1157		1568
1158	=cut	1569	=cut
1159		1570
1160	sub list_logins {	1571	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1572	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1573	or return [];
1163		1574
1164	my @logins;	1575	my @logins;
1165		1576
1166	for my $login (@$dirs) {	1577	for my $login (@$dirs) {
		1578	my $path = path $login;
		1579
		1580	# a .pst is a dead give-away for a valid player
		1581	# if no pst file found, open and chekc for blocked users
		1582	if (aio_stat "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1583	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1584	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1585	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1586	}
1170		1587
1171	utf8::decode $login;	1588	utf8::decode $login;
1172	push @logins, $login;	1589	push @logins, $login;
1173	}	1590	}
1174		1591
1175	\@logins	1592	\@logins
1176	}	1593	}
1177		1594
1178	=item $player->maps	1595	=item $player->maps
1179		1596
1180	Returns an arrayref of cf::path's of all maps that are private for this	1597	Returns an arrayref of map paths that are private for this
1181	player. May block.	1598	player. May block.
1182		1599
1183	=cut	1600	=cut
1184		1601
1185	sub maps($) {	1602	sub maps($) {
1186	my ($pl) = @_;	1603	my ($pl) = @_;
		1604
		1605	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1606
1188	my $files = aio_readdir playerdir $pl	1607	my $files = aio_readdir playerdir $pl
1189	or return;	1608	or return;
1190		1609
1191	my @paths;	1610	my @paths;
…		…
1193	for (@$files) {	1612	for (@$files) {
1194	utf8::decode $_;	1613	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1614	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1615	next unless /^$PATH_SEP/o;
1197		1616
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1617	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1618	}
1200		1619
1201	\@paths	1620	\@paths
1202	}	1621	}
1203		1622
		1623	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1624
		1625	Expand crossfire pod fragments into protocol xml.
		1626
		1627	=cut
		1628
		1629	use re 'eval';
		1630
		1631	my $group;
		1632	my $interior; $interior = qr{
		1633	# match a pod interior sequence sans C<< >>
		1634	(?:
		1635	\ (.*?)\ (?{ $group = $^N })
		1636	| < (??{$interior}) >
		1637	)
		1638	}x;
		1639
		1640	sub expand_cfpod {
		1641	my ($self, $pod) = @_;
		1642
		1643	my $xml;
		1644
		1645	while () {
		1646	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1647	$group = $1;
		1648
		1649	$group =~ s/&/&amp;/g;
		1650	$group =~ s/</&lt;/g;
		1651
		1652	$xml .= $group;
		1653	} elsif ($pod =~ m%\G
		1654	([BCGHITU])
		1655	<
		1656	(?:
		1657	([^<>]*) (?{ $group = $^N })
		1658	| < $interior >
		1659	)
		1660	>
		1661	%gcsx
		1662	) {
		1663	my ($code, $data) = ($1, $group);
		1664
		1665	if ($code eq "B") {
		1666	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1667	} elsif ($code eq "I") {
		1668	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1669	} elsif ($code eq "U") {
		1670	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1671	} elsif ($code eq "C") {
		1672	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1673	} elsif ($code eq "T") {
		1674	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1675	} elsif ($code eq "G") {
		1676	my ($male, $female) = split /\|/, $data;
		1677	$data = $self->gender ? $female : $male;
		1678	$xml .= expand_cfpod ($self, $data);
		1679	} elsif ($code eq "H") {
		1680	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1681	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1682	"")
		1683	[$self->{hintmode}];
		1684	} else {
		1685	$xml .= "error processing '$code($data)' directive";
		1686	}
		1687	} else {
		1688	if ($pod =~ /\G(.+)/) {
		1689	warn "parse error while expanding $pod (at $1)";
		1690	}
		1691	last;
		1692	}
		1693	}
		1694
		1695	for ($xml) {
		1696	# create single paragraphs (very hackish)
		1697	s/(?<=\S)\n(?=\w)/ /g;
		1698
		1699	# compress some whitespace
		1700	s/\s+\n/\n/g; # ws line-ends
		1701	s/\n\n+/\n/g; # double lines
		1702	s/^\n+//; # beginning lines
		1703	s/\n+$//; # ending lines
		1704	}
		1705
		1706	$xml
		1707	}
		1708
		1709	no re 'eval';
		1710
		1711	sub hintmode {
		1712	$_[0]{hintmode} = $_[1] if @_ > 1;
		1713	$_[0]{hintmode}
		1714	}
		1715
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1716	=item $player->ext_reply ($msgid, @msg)
1205		1717
1206	Sends an ext reply to the player.	1718	Sends an ext reply to the player.
1207		1719
1208	=cut	1720	=cut
1209		1721
1210	sub ext_reply($$$%) {	1722	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1723	my ($self, $id, @msg) = @_;
1212		1724
1213	$msg{msgid} = $id;	1725	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1726	}
1217		1727
1218	package cf;	1728	=item $player->ext_msg ($type, @msg)
		1729
		1730	Sends an ext event to the client.
		1731
		1732	=cut
		1733
		1734	sub ext_msg($$@) {
		1735	my ($self, $type, @msg) = @_;
		1736
		1737	$self->ns->ext_msg ($type, @msg);
		1738	}
		1739
		1740	=head3 cf::region
		1741
		1742	=over 4
		1743
		1744	=cut
		1745
		1746	package cf::region;
		1747
		1748	=item cf::region::find_by_path $path
		1749
		1750	Tries to decuce the likely region for a map knowing only its path.
		1751
		1752	=cut
		1753
		1754	sub find_by_path($) {
		1755	my ($path) = @_;
		1756
		1757	my ($match, $specificity);
		1758
		1759	for my $region (list) {
		1760	if ($region->{match} && $path =~ $region->{match}) {
		1761	($match, $specificity) = ($region, $region->specificity)
		1762	if $region->specificity > $specificity;
		1763	}
		1764	}
		1765
		1766	$match
		1767	}
1219		1768
1220	=back	1769	=back
1221
1222		1770
1223	=head3 cf::map	1771	=head3 cf::map
1224		1772
1225	=over 4	1773	=over 4
1226		1774
…		…
1229	package cf::map;	1777	package cf::map;
1230		1778
1231	use Fcntl;	1779	use Fcntl;
1232	use Coro::AIO;	1780	use Coro::AIO;
1233		1781
		1782	use overload
		1783	'""' => \&as_string,
		1784	fallback => 1;
		1785
1234	our $MAX_RESET = 3600;	1786	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1787	our $DEFAULT_RESET = 3000;
1236		1788
1237	sub generate_random_map {	1789	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1790	my ($self, $rmp) = @_;
		1791
		1792	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1239		1793
1240	# mit "rum" bekleckern, nicht	1794	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1795	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1798	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1799	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1800	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1801	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1802	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1803	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1804	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1805	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1806	(cf::region::find $rmp->{region}), $rmp->{custom}
		1807	)
		1808	}
		1809
		1810	=item cf::map->register ($regex, $prio)
		1811
		1812	Register a handler for the map path matching the given regex at the
		1813	givne priority (higher is better, built-in handlers have priority 0, the
		1814	default).
		1815
		1816	=cut
		1817
		1818	sub register {
		1819	my (undef, $regex, $prio) = @_;
		1820	my $pkg = caller;
		1821
		1822	no strict;
		1823	push @{"$pkg\::ISA"}, __PACKAGE__;
		1824
		1825	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1826	}
		1827
		1828	# also paths starting with '/'
		1829	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1830
		1831	sub thawer_merge {
		1832	my ($self, $merge) = @_;
		1833
		1834	# we have to keep some variables in memory intact
		1835	local $self->{path};
		1836	local $self->{load_path};
		1837
		1838	$self->SUPER::thawer_merge ($merge);
		1839	}
		1840
		1841	sub normalise {
		1842	my ($path, $base) = @_;
		1843
		1844	$path = "$path"; # make sure its a string
		1845
		1846	$path =~ s/\.map$//;
		1847
		1848	# map plan:
		1849	#
		1850	# /! non-realised random map exit (special hack!)
		1851	# {... are special paths that are not being touched
		1852	# ?xxx/... are special absolute paths
		1853	# ?random/... random maps
		1854	# /... normal maps
		1855	# ~user/... per-player map of a specific user
		1856
		1857	$path =~ s/$PATH_SEP/\//go;
		1858
		1859	# treat it as relative path if it starts with
		1860	# something that looks reasonable
		1861	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1862	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1863
		1864	$base =~ s{[^/]+/?$}{};
		1865	$path = "$base/$path";
		1866	}
		1867
		1868	for ($path) {
		1869	redo if s{//}{/};
		1870	redo if s{/\.?/}{/};
		1871	redo if s{/[^/]+/\.\./}{/};
		1872	}
		1873
		1874	$path
		1875	}
		1876
		1877	sub new_from_path {
		1878	my (undef, $path, $base) = @_;
		1879
		1880	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1881
		1882	$path = normalise $path, $base;
		1883
		1884	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1885	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1886	my $self = bless cf::map::new, $pkg;
		1887	$self->{path} = $path; $self->path ($path);
		1888	$self->init; # pass $1 etc.
		1889	return $self;
		1890	}
		1891	}
		1892
		1893	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1894	()
		1895	}
		1896
		1897	sub init {
		1898	my ($self) = @_;
		1899
		1900	$self
		1901	}
		1902
		1903	sub as_string {
		1904	my ($self) = @_;
		1905
		1906	"$self->{path}"
		1907	}
		1908
		1909	# the displayed name, this is a one way mapping
		1910	sub visible_name {
		1911	&as_string
		1912	}
		1913
		1914	# the original (read-only) location
		1915	sub load_path {
		1916	my ($self) = @_;
		1917
		1918	"$MAPDIR/$self->{path}.map"
		1919	}
		1920
		1921	# the temporary/swap location
		1922	sub save_path {
		1923	my ($self) = @_;
		1924
		1925	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1926	"$TMPDIR/$path.map"
		1927	}
		1928
		1929	# the unique path, undef == no special unique path
		1930	sub uniq_path {
		1931	my ($self) = @_;
		1932
		1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1934	"$UNIQUEDIR/$path"
1254	}	1935	}
1255		1936
1256	# and all this just because we cannot iterate over	1937	# and all this just because we cannot iterate over
1257	# all maps in C++...	1938	# all maps in C++...
1258	sub change_all_map_light {	1939	sub change_all_map_light {
…		…
1260		1941
1261	$_->change_map_light ($change)	1942	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1943	for grep $_->outdoor, values %cf::MAP;
1263	}	1944	}
1264		1945
		1946	sub decay_objects {
		1947	my ($self) = @_;
		1948
		1949	return if $self->{deny_reset};
		1950
		1951	$self->do_decay_objects;
		1952	}
		1953
		1954	sub unlink_save {
		1955	my ($self) = @_;
		1956
		1957	utf8::encode (my $save = $self->save_path);
		1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1960	}
		1961
1265	sub try_load_header($) {	1962	sub load_header_from($) {
1266	my ($path) = @_;	1963	my ($self, $path) = @_;
1267		1964
1268	utf8::encode $path;	1965	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1966	my $f = new_from_file cf::object::thawer $path
1270	or return;	1967	or return;
1271		1968
1272	my $map = cf::map::new	1969	$self->_load_header ($f)
1273	or return;	1970	or return;
1274		1971
1275	# for better error messages only, will be overwritten	1972	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1973	$f->resolve_delayed_derefs;
1277		1974
1278	$map->load_header ($path)	1975	$self->{load_path} = $path;
		1976
		1977	1
		1978	}
		1979
		1980	sub load_header_orig {
		1981	my ($self) = @_;
		1982
		1983	$self->load_header_from ($self->load_path)
		1984	}
		1985
		1986	sub load_header_temp {
		1987	my ($self) = @_;
		1988
		1989	$self->load_header_from ($self->save_path)
		1990	}
		1991
		1992	sub prepare_temp {
		1993	my ($self) = @_;
		1994
		1995	$self->last_access ((delete $self->{last_access})
		1996	|| $cf::RUNTIME); #d#
		1997	# safety
		1998	$self->{instantiate_time} = $cf::RUNTIME
		1999	if $self->{instantiate_time} > $cf::RUNTIME;
		2000	}
		2001
		2002	sub prepare_orig {
		2003	my ($self) = @_;
		2004
		2005	$self->{load_original} = 1;
		2006	$self->{instantiate_time} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008	$self->instantiate;
		2009	}
		2010
		2011	sub load_header {
		2012	my ($self) = @_;
		2013
		2014	if ($self->load_header_temp) {
		2015	$self->prepare_temp;
		2016	} else {
		2017	$self->load_header_orig
1279	or return;	2018	or return;
		2019	$self->prepare_orig;
		2020	}
1280		2021
1281	$map->{load_path} = $path;	2022	$self->{deny_reset} = 1
		2023	if $self->no_reset;
1282		2024
1283	$map	2025	$self->default_region (cf::region::find_by_path $self->{path})
		2026	unless $self->default_region;
		2027
		2028	1
1284	}	2029	}
1285		2030
1286	sub find;	2031	sub find;
1287	sub find {	2032	sub find {
1288	my ($path, $origin) = @_;	2033	my ($path, $origin) = @_;
1289		2034
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	2035	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		2036
		2037	cf::lock_wait "map_data:$path";#d#remove
1295	cf::lock_wait "map_find:$key";	2038	cf::lock_wait "map_find:$path";
1296		2039
1297	$cf::MAP{$key} || do {	2040	$cf::MAP{$path} || do {
		2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1298	my $guard = cf::lock_acquire "map_find:$key";	2042	my $guard2 = cf::lock_acquire "map_find:$path";
1299		2043
1300	# do it the slow way	2044	my $map = new_from_path cf::map $path
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	2045	or return;
1319		2046
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	2047	$map->{last_save} = $cf::RUNTIME;
1332		2048
1333	Coro::cede;	2049	$map->load_header
		2050	or return;
1334		2051
1335	if ($map->should_reset) {	2052	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2053	# doing this can freeze the server in a sync job, obviously
		2054	#$cf::WAIT_FOR_TICK->wait;
		2055	undef $guard2;
		2056	undef $guard1;
1336	$map->reset;	2057	$map->reset;
1337	undef $guard;
1338	$map = find $path	2058	return find $path;
1339	or return;
1340	}	2059	}
1341		2060
1342	$cf::MAP{$key} = $map	2061	$cf::MAP{$path} = $map
1343	}	2062	}
1344	}	2063	}
		2064
		2065	sub pre_load { }
		2066	sub post_load { }
1345		2067
1346	sub load {	2068	sub load {
1347	my ($self) = @_;	2069	my ($self) = @_;
1348		2070
		2071	local $self->{deny_reset} = 1; # loading can take a long time
		2072
1349	my $path = $self->{path};	2073	my $path = $self->{path};
		2074
		2075	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2076	my $guard = cf::lock_acquire "map_data:$path";
1351		2077
		2078	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2079	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2080
1354	$self->in_memory (cf::MAP_LOADING);	2081	$self->in_memory (cf::MAP_LOADING);
1355		2082
1356	$self->alloc;	2083	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	2084
		2085	$self->pre_load;
		2086	cf::cede_to_tick;
		2087
		2088	my $f = new_from_file cf::object::thawer $self->{load_path};
		2089	$f->skip_block;
		2090	$self->_load_objects ($f)
1358	or return;	2091	or return;
1359		2092
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	2094	if delete $self->{load_original};
1362		2095
1363	if (my $uniq = $path->uniq_path) {	2096	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2097	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2098	unless (aio_stat $uniq) {
		2099	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2100	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2101	$self->_load_objects ($f);
		2102	$f->resolve_delayed_derefs;
		2103	}
1368	}	2104	}
1369	}	2105	}
1370		2106
1371	Coro::cede;	2107	$f->resolve_delayed_derefs;
1372		2108
		2109	cf::cede_to_tick;
1373	# now do the right thing for maps	2110	# now do the right thing for maps
1374	$self->link_multipart_objects;	2111	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2112	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2113	unless $self->difficulty;
		2114	cf::cede_to_tick;
		2115
		2116	unless ($self->{deny_activate}) {
		2117	$self->decay_objects;
		2118	$self->fix_auto_apply;
		2119	$self->update_buttons;
		2120	cf::cede_to_tick;
		2121	$self->set_darkness_map;
		2122	cf::cede_to_tick;
1386	$self->activate;	2123	$self->activate;
1387	}	2124	}
1388		2125
1389	Coro::cede;	2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
1390		2128
1391	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
		2130	}
		2131
		2132	$self->post_load;
		2133	}
		2134
		2135	sub customise_for {
		2136	my ($self, $ob) = @_;
		2137
		2138	return find "~" . $ob->name . "/" . $self->{path}
		2139	if $self->per_player;
		2140
		2141	# return find "?party/" . $ob->name . "/" . $self->{path}
		2142	# if $self->per_party;
		2143
		2144	$self
1392	}	2145	}
1393		2146
1394	# find and load all maps in the 3x3 area around a map	2147	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2148	sub load_neighbours {
1396	my ($map) = @_;	2149	my ($map) = @_;
1397		2150
1398	my @diag; # diagonal neighbours	2151	my @neigh; # diagonal neighbours
1399		2152
1400	for (0 .. 3) {	2153	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2154	my $neigh = $map->tile_path ($_)
1402	or next;	2155	or next;
1403	$neigh = find $neigh, $map	2156	$neigh = find $neigh, $map
1404	or next;	2157	or next;
1405	$neigh->load;	2158	$neigh->load;
1406		2159
		2160	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2163	}
1410		2164
1411	for (@diag) {	2165	for (grep defined $_->[0], @neigh) {
		2166	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2167	my $neigh = find $path, $origin
1413	or next;	2168	or next;
1414	$neigh->load;	2169	$neigh->load;
1415	}	2170	}
1416	}	2171	}
1417		2172
…		…
1422	}	2177	}
1423		2178
1424	sub do_load_sync {	2179	sub do_load_sync {
1425	my ($map) = @_;	2180	my ($map) = @_;
1426		2181
		2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2183	if $Coro::current == $Coro::main;
		2184
1427	cf::sync_job { $map->load };	2185	cf::sync_job { $map->load };
1428	}	2186	}
1429		2187
1430	our %MAP_PREFETCH;	2188	our %MAP_PREFETCH;
		2189	our $MAP_PREFETCHER = undef;
		2190
		2191	sub find_async {
		2192	my ($path, $origin, $load) = @_;
		2193
		2194	$path = normalise $path, $origin && $origin->{path};
		2195
		2196	if (my $map = $cf::MAP{$path}) {
		2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2198	}
		2199
		2200	$MAP_PREFETCH{$path} |= $load;
		2201
1431	our $MAP_PREFETCHER = Coro::async {	2202	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2203	$Coro::current->{desc} = "map prefetcher";
		2204
1433	while (%MAP_PREFETCH) {	2205	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2206	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2207	if (my $map = find $k) {
		2208	$map->load if $v;
		2209	}
		2210
1436	my $path = delete $MAP_PREFETCH{$key};	2211	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2212	}
1442	Coro::schedule;	2213	}
		2214	undef $MAP_PREFETCHER;
1443	}	2215	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2216	$MAP_PREFETCHER->prio (6);
1458		2217
1459	()	2218	()
1460	}	2219	}
1461		2220
1462	sub save {	2221	sub save {
1463	my ($self) = @_;	2222	my ($self) = @_;
1464		2223
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2225
1467	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1468		2227
1469	return unless $self->dirty;	2228	return unless $self->dirty;
1470		2229
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2230	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2231	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2232
1474	$self->{load_path} = $save;	2233	$self->{load_path} = $save;
1475		2234
1476	return if $self->{deny_save};	2235	return if $self->{deny_save};
1477		2236
1478	local $self->{last_access} = $self->last_access;#d#	2237	local $self->{last_access} = $self->last_access;#d#
1479		2238
1480	cf::async {	2239	cf::async {
		2240	$Coro::current->{desc} = "map player save";
1481	$_->contr->save for $self->players;	2241	$_->contr->save for $self->players;
1482	};	2242	};
1483		2243
		2244	cf::get_slot 0.02;
		2245
1484	if ($uniq) {	2246	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2248	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2249	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2251	}
1490	}	2252	}
1491		2253
1492	sub swap_out {	2254	sub swap_out {
1493	my ($self) = @_;	2255	my ($self) = @_;
1494		2256
1495	# save first because save cedes	2257	# save first because save cedes
1496	$self->save;	2258	$self->save;
1497		2259
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2261
1500	return if $self->players;	2262	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2263	return if $self->in_memory != cf::MAP_ACTIVE;
1502	return if $self->{deny_save};	2264	return if $self->{deny_save};
1503		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2270	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2271	}
1507		2272
1508	sub reset_at {	2273	sub reset_at {
1509	my ($self) = @_;	2274	my ($self) = @_;
1510		2275
1511	# TODO: safety, remove and allow resettable per-player maps	2276	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2277	return 1e99 if $self->{deny_reset};
1514		2278
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2279	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2280	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2281
…		…
1522	my ($self) = @_;	2286	my ($self) = @_;
1523		2287
1524	$self->reset_at <= $cf::RUNTIME	2288	$self->reset_at <= $cf::RUNTIME
1525	}	2289	}
1526		2290
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2291	sub reset {
1549	my ($self) = @_;	2292	my ($self) = @_;
1550		2293
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2295
1553	return if $self->players;	2296	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2297
1556	warn "resetting map ", $self->path;#d#	2298	warn "resetting map ", $self->path;
		2299
		2300	$self->in_memory (cf::MAP_SWAPPED);
		2301
		2302	# need to save uniques path
		2303	unless ($self->{deny_save}) {
		2304	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2305
		2306	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2307	if $uniq;
		2308	}
1557		2309
1558	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1559		2311
		2312	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2313	$_->clear_links_to ($self) for values %cf::MAP;
		2314	$self->clear;
1561		2315
1562	$self->unlink_save;	2316	$self->unlink_save;
1563	$self->destroy;	2317	$self->destroy;
1564	}	2318	}
1565		2319
1566	my $nuke_counter = "aaaa";	2320	my $nuke_counter = "aaaa";
1567		2321
1568	sub nuke {	2322	sub nuke {
1569	my ($self) = @_;	2323	my ($self) = @_;
1570		2324
		2325	{
		2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2327
		2328	delete $cf::MAP{$self->path};
		2329
		2330	$self->unlink_save;
		2331
		2332	bless $self, "cf::map";
		2333	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2334	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2335	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2337
		2338	$cf::MAP{$self->path} = $self;
		2339	}
		2340
1574	$self->reset; # polite request, might not happen	2341	$self->reset; # polite request, might not happen
1575	}	2342	}
1576		2343
1577	sub customise_for {	2344	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2345
1580	if ($map->per_player) {	2346	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2347	maps. May block.
		2348
		2349	=cut
		2350
		2351	sub tmp_maps() {
1582	}	2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise $_
		2357	: ()
		2358	} @{ aio_readdir $TMPDIR or [] }
		2359	]
		2360	}
1583		2361
1584	$map	2362	=item $maps = cf::map::random_maps
		2363
		2364	Returns an arrayref with all map paths of currently instantiated and saved
		2365	random maps. May block.
		2366
		2367	=cut
		2368
		2369	sub random_maps() {
		2370	[
		2371	map {
		2372	utf8::decode $_;
		2373	/\.map$/
		2374	? normalise "?random/$_"
		2375	: ()
		2376	} @{ aio_readdir $RANDOMDIR or [] }
		2377	]
1585	}	2378	}
1586		2379
1587	=item cf::map::unique_maps	2380	=item cf::map::unique_maps
1588		2381
1589	Returns an arrayref of cf::path's of all shared maps that have	2382	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2383	instantiated unique items. May block.
1591		2384
1592	=cut	2385	=cut
1593		2386
1594	sub unique_maps() {	2387	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2388	[
1596	or return;	2389	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2390	utf8::decode $_;
1602	next if /\.pst$/;	2391	s/\.map$//; # TODO future compatibility hack
1603	next unless /^$PATH_SEP/o;	2392	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604		2393	? ()
1605	push @paths, new cf::path $_;	2394	: normalise $_
		2395	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2396	]
1607
1608	\@paths
1609	}	2397	}
1610
1611	package cf;
1612		2398
1613	=back	2399	=back
1614		2400
1615	=head3 cf::object	2401	=head3 cf::object
1616		2402
…		…
1620		2406
1621	=over 4	2407	=over 4
1622		2408
1623	=item $ob->inv_recursive	2409	=item $ob->inv_recursive
1624		2410
1625	Returns the inventory of the object _and_ their inventories, recursively.	2411	Returns the inventory of the object I<and> their inventories, recursively,
		2412	but I<not> the object itself.
1626		2413
1627	=cut	2414	=cut
1628		2415
1629	sub inv_recursive_;	2416	sub inv_recursive_;
1630	sub inv_recursive_ {	2417	sub inv_recursive_ {
…		…
1633		2420
1634	sub inv_recursive {	2421	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2422	inv_recursive_ inv $_[0]
1636	}	2423	}
1637		2424
		2425	=item $ref = $ob->ref
		2426
		2427	Creates and returns a persistent reference to an object that can be stored as a string.
		2428
		2429	=item $ob = cf::object::deref ($refstring)
		2430
		2431	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2432	even if the object actually exists. May block.
		2433
		2434	=cut
		2435
		2436	sub deref {
		2437	my ($ref) = @_;
		2438
		2439	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2440	my ($uuid, $name) = ($1, $2);
		2441	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2442	or return;
		2443	$pl->ob->uuid eq $uuid
		2444	or return;
		2445
		2446	$pl->ob
		2447	} else {
		2448	warn "$ref: cannot resolve object reference\n";
		2449	undef
		2450	}
		2451	}
		2452
1638	package cf;	2453	package cf;
1639		2454
1640	=back	2455	=back
1641		2456
1642	=head3 cf::object::player	2457	=head3 cf::object::player
…		…
1648	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2463	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649	can be C<undef>. Does the right thing when the player is currently in a	2464	can be C<undef>. Does the right thing when the player is currently in a
1650	dialogue with the given NPC character.	2465	dialogue with the given NPC character.
1651		2466
1652	=cut	2467	=cut
		2468
		2469	our $SAY_CHANNEL = {
		2470	id => "say",
		2471	title => "Map",
		2472	reply => "say ",
		2473	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2474	};
		2475
		2476	our $CHAT_CHANNEL = {
		2477	id => "chat",
		2478	title => "Chat",
		2479	reply => "chat ",
		2480	tooltip => "Player chat and shouts, global to the server.",
		2481	};
1653		2482
1654	# rough implementation of a future "reply" method that works	2483	# rough implementation of a future "reply" method that works
1655	# with dialog boxes.	2484	# with dialog boxes.
1656	#TODO: the first argument must go, split into a $npc->reply_to ( method	2485	#TODO: the first argument must go, split into a $npc->reply_to ( method
1657	sub cf::object::player::reply($$$;$) {	2486	sub cf::object::player::reply($$$;$) {
…		…
1659		2488
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2489	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2490
1662	if ($self->{record_replies}) {	2491	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2492	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2493
1664	} else {	2494	} else {
		2495	my $pl = $self->contr;
		2496
		2497	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2498	my $dialog = $pl->{npc_dialog};
		2499	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2500
		2501	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2502	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2503	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2504	}
1667	}	2505	}
		2506	}
		2507
		2508	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2509
		2510	=cut
		2511
		2512	sub cf::object::send_msg {
		2513	my $pl = shift->contr
		2514	or return;
		2515	$pl->send_msg (@_);
1668	}	2516	}
1669		2517
1670	=item $player_object->may ("access")	2518	=item $player_object->may ("access")
1671		2519
1672	Returns wether the given player is authorized to access resource "access"	2520	Returns wether the given player is authorized to access resource "access"
…		…
1685		2533
1686	=item $player_object->enter_link	2534	=item $player_object->enter_link
1687		2535
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2536	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2537
1690	The player should be reaosnably safe there for short amounts of time. You	2538	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2539	I<MUST> call C<leave_link> as soon as possible, though.
1692		2540
		2541	Will never block.
		2542
1693	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
1694		2544
1695	Moves the player out of the specila link map onto the given map. If the	2545	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2546	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2547	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2548	fails, to the emergency map position.
1699		2549
1700	Might block.	2550	Might block.
1701		2551
1702	=cut	2552	=cut
		2553
		2554	sub link_map {
		2555	unless ($LINK_MAP) {
		2556	$LINK_MAP = cf::map::find "{link}"
		2557	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2558	$LINK_MAP->load;
		2559	}
		2560
		2561	$LINK_MAP
		2562	}
1703		2563
1704	sub cf::object::player::enter_link {	2564	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2565	my ($self) = @_;
1706		2566
1707	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1708		2568
1709	return if $self->map == $LINK_MAP;	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2570
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1713		2573
1714	$self->enter_map ($LINK_MAP, 20, 20);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2575	}
1716		2576
1717	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1719		2581
1720	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1721		2583
1722	unless ($map) {	2584	unless ($map) {
1723	# restore original map position	2585	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2601	if $x <=0 && $y <= 0;
1740		2602
1741	$map->load;	2603	$map->load;
1742	$map->load_diag;	2604	$map->load_neighbours;
1743		2605
1744	return unless $self->contr->active;	2606	return unless $self->contr->active;
1745	$self->activate_recursive;	2607	$self->activate_recursive;
		2608
		2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2610	$self->enter_map ($map, $x, $y);
1747	}	2611	}
1748		2612
1749	cf::player->attach (	2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2614
1753	# abort map switching before logout	2615	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2616	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2617	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2618	the new (success) or old (failed) map position. In either case, $done will
1757	};	2619	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2620
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2621	=cut
		2622
		2623	our $GOTOGEN;
1784		2624
1785	sub cf::object::player::goto {	2625	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2626	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2627
1788	$path = new cf::path $path;	2628	# do generation counting so two concurrent goto's will be executed in-order
		2629	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2630
1790	$self->enter_link;	2631	$self->enter_link;
1791		2632
1792	(async {	2633	(async {
1793	my $map = cf::map::find $path->as_string;	2634	$Coro::current->{desc} = "player::goto $path $x $y";
		2635
		2636	# *tag paths override both path and x|y
		2637	if ($path =~ /^\*(.*)$/) {
		2638	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2639	my $ob = $obs[rand @obs];
		2640
		2641	# see if we actually can go there
		2642	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2643	$ob = $obs[rand @obs];
		2644	} else {
		2645	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2646	}
		2647	# else put us there anyways for now #d#
		2648
		2649	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2650	} else {
		2651	($path, $x, $y) = (undef, undef, undef);
		2652	}
		2653	}
		2654
		2655	my $map = eval {
		2656	my $map = defined $path ? cf::map::find $path : undef;
		2657
		2658	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2659	$map = $map->customise_for ($self);
1795		2660	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2661	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2662	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2663	}
1800		2664
		2665	$map
		2666	};
		2667
		2668	if ($@) {
		2669	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	LOG llevError | logBacktrace, Carp::longmess $@;
		2671	}
		2672
		2673	if ($gen == $self->{_goto_generation}) {
		2674	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2675	$self->leave_link ($map, $x, $y);
		2676	}
		2677
		2678	$done->() if $done;
1802	})->prio (1);	2679	})->prio (1);
1803	}	2680	}
1804		2681
1805	=item $player_object->enter_exit ($exit_object)	2682	=item $player_object->enter_exit ($exit_object)
1806		2683
…		…
1808		2685
1809	sub parse_random_map_params {	2686	sub parse_random_map_params {
1810	my ($spec) = @_;	2687	my ($spec) = @_;
1811		2688
1812	my $rmp = { # defaults	2689	my $rmp = { # defaults
1813	xsize => 10,	2690	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2691	ysize => (cf::rndm 15, 40),
		2692	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2693	#layout => string,
1815	};	2694	};
1816		2695
1817	for (split /\n/, $spec) {	2696	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2697	my ($k, $v) = split /\s+/, $_, 2;
1819		2698
…		…
1831	# that depends on the exit object	2710	# that depends on the exit object
1832		2711
1833	my $rmp = parse_random_map_params $exit->msg;	2712	my $rmp = parse_random_map_params $exit->msg;
1834		2713
1835	if ($exit->map) {	2714	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2715	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2716	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2717	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2718	$rmp->{origin_y} = $exit->y;
		2719
		2720	$exit->map->touch;
1840	}	2721	}
1841		2722
1842	$rmp->{random_seed} ||= $exit->random_seed;	2723	$rmp->{random_seed} ||= $exit->random_seed;
1843		2724
1844	my $data = cf::to_json $rmp;	2725	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845	my $md5 = Digest::MD5::md5_hex $data;	2726	my $md5 = Digest::MD5::md5_hex $data;
		2727	my $meta = "$RANDOMDIR/$md5.meta";
1846		2728
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2729	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2730	aio_write $fh, 0, (length $data), $data, 0;
		2731	undef $fh;
		2732	aio_rename "$meta~", $meta;
1849		2733
		2734	my $slaying = "?random/$md5";
		2735
		2736	if ($exit->valid) {
1850	$exit->slaying ("?random/$md5");	2737	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2738	$exit->msg (undef);
		2739	}
1852	}	2740	}
1853	}	2741	}
1854		2742
1855	sub cf::object::player::enter_exit {	2743	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2744	my ($self, $exit) = @_;
…		…
1858	return unless $self->type == cf::PLAYER;	2746	return unless $self->type == cf::PLAYER;
1859		2747
1860	$self->enter_link;	2748	$self->enter_link;
1861		2749
1862	(async {	2750	(async {
1863	$self->deactivate_recursive; # just to be sure	2751	$Coro::current->{desc} = "enter_exit";
		2752
1864	unless (eval {	2753	unless (eval {
		2754	$self->deactivate_recursive; # just to be sure
		2755
		2756	# random map handling
		2757	{
		2758	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2759
1865	prepare_random_map $exit	2760	prepare_random_map $exit
1866	if $exit->slaying eq "/!";	2761	if $exit->slaying eq "/!";
		2762	}
1867		2763
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2764	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2765	my $x = $exit->stats->hp;
		2766	my $y = $exit->stats->sp;
1870		2767
		2768	$self->goto ($map, $x, $y);
		2769
		2770	# if exit is damned, update players death & WoR home-position
		2771	$self->contr->savebed ($map, $x, $y)
		2772	if $exit->flag (cf::FLAG_DAMNED);
		2773
1871	1;	2774	1
1872	}) {	2775	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2776	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2777	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2778	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2779	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2780
1878	warn "ERROR in enter_exit: $@";	2781	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2782	$self->leave_link;
1880	}	2783	}
1881	})->prio (1);	2784	})->prio (1);
…		…
1894		2797
1895	sub cf::client::send_drawinfo {	2798	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2799	my ($self, $text, $flags) = @_;
1897		2800
1898	utf8::encode $text;	2801	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2802	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2803	}
1901		2804
		2805	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2806
		2807	Send a drawinfo or msg packet to the client, formatting the msg for the
		2808	client if neccessary. C<$type> should be a string identifying the type of
		2809	the message, with C<log> being the default. If C<$color> is negative, suppress
		2810	the message unless the client supports the msg packet.
		2811
		2812	=cut
		2813
		2814	# non-persistent channels (usually the info channel)
		2815	our %CHANNEL = (
		2816	"c/identify" => {
		2817	id => "infobox",
		2818	title => "Identify",
		2819	reply => undef,
		2820	tooltip => "Items recently identified",
		2821	},
		2822	"c/examine" => {
		2823	id => "infobox",
		2824	title => "Examine",
		2825	reply => undef,
		2826	tooltip => "Signs and other items you examined",
		2827	},
		2828	"c/book" => {
		2829	id => "infobox",
		2830	title => "Book",
		2831	reply => undef,
		2832	tooltip => "The contents of a note or book",
		2833	},
		2834	"c/lookat" => {
		2835	id => "infobox",
		2836	title => "Look",
		2837	reply => undef,
		2838	tooltip => "What you saw there",
		2839	},
		2840	"c/who" => {
		2841	id => "infobox",
		2842	title => "Players",
		2843	reply => undef,
		2844	tooltip => "Shows players who are currently online",
		2845	},
		2846	"c/body" => {
		2847	id => "infobox",
		2848	title => "Body Parts",
		2849	reply => undef,
		2850	tooltip => "Shows which body parts you posess and are available",
		2851	},
		2852	"c/uptime" => {
		2853	id => "infobox",
		2854	title => "Uptime",
		2855	reply => undef,
		2856	tooltip => "How long the server has been running since last restart",
		2857	},
		2858	"c/mapinfo" => {
		2859	id => "infobox",
		2860	title => "Map Info",
		2861	reply => undef,
		2862	tooltip => "Information related to the maps",
		2863	},
		2864	"c/party" => {
		2865	id => "party",
		2866	title => "Party",
		2867	reply => "gsay ",
		2868	tooltip => "Messages and chat related to your party",
		2869	},
		2870	);
		2871
		2872	sub cf::client::send_msg {
		2873	my ($self, $channel, $msg, $color, @extra) = @_;
		2874
		2875	$msg = $self->pl->expand_cfpod ($msg);
		2876
		2877	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2878
		2879	# check predefined channels, for the benefit of C
		2880	if ($CHANNEL{$channel}) {
		2881	$channel = $CHANNEL{$channel};
		2882
		2883	$self->ext_msg (channel_info => $channel)
		2884	if $self->can_msg;
		2885
		2886	$channel = $channel->{id};
		2887
		2888	} elsif (ref $channel) {
		2889	# send meta info to client, if not yet sent
		2890	unless (exists $self->{channel}{$channel->{id}}) {
		2891	$self->{channel}{$channel->{id}} = $channel;
		2892	$self->ext_msg (channel_info => $channel)
		2893	if $self->can_msg;
		2894	}
		2895
		2896	$channel = $channel->{id};
		2897	}
		2898
		2899	return unless @extra || length $msg;
		2900
		2901	if ($self->can_msg) {
		2902	# default colour, mask it out
		2903	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2904	if $color & cf::NDI_DEF;
		2905
		2906	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2907	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2908	} else {
		2909	if ($color >= 0) {
		2910	# replace some tags by gcfclient-compatible ones
		2911	for ($msg) {
		2912	1 while
		2913	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2914	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2915	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2916	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2917	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2918	}
		2919
		2920	$color &= cf::NDI_COLOR_MASK;
		2921
		2922	utf8::encode $msg;
		2923
		2924	if (0 && $msg =~ /\[/) {
		2925	# COMMAND/INFO
		2926	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2927	} else {
		2928	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2929	$self->send_packet ("drawinfo $color $msg")
		2930	}
		2931	}
		2932	}
		2933	}
		2934
		2935	=item $client->ext_msg ($type, @msg)
		2936
		2937	Sends an ext event to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_msg($$@) {
		2942	my ($self, $type, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2946	} elsif ($self->extcmd == 1) { # TODO: remove
		2947	push @msg, msgtype => "event_$type";
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
		2951
		2952	=item $client->ext_reply ($msgid, @msg)
		2953
		2954	Sends an ext reply to the client.
		2955
		2956	=cut
		2957
		2958	sub cf::client::ext_reply($$@) {
		2959	my ($self, $id, @msg) = @_;
		2960
		2961	if ($self->extcmd == 2) {
		2962	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2963	} elsif ($self->extcmd == 1) {
		2964	#TODO: version 1, remove
		2965	unshift @msg, msgtype => "reply", msgid => $id;
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2967	}
		2968	}
1902		2969
1903	=item $success = $client->query ($flags, "text", \&cb)	2970	=item $success = $client->query ($flags, "text", \&cb)
1904		2971
1905	Queues a query to the client, calling the given callback with	2972	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2973	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2974	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2975
1909	Queries can fail, so check the return code. Or don't, as queries will become	2976	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2977	become reliable at some point in the future.
1911		2978
1912	=cut	2979	=cut
1913		2980
1914	sub cf::client::query {	2981	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2982	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2990	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2991	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2992
1926	$self->send_packet ($self->{query_queue}[0][0])	2993	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2994	if @{ $self->{query_queue} } == 1;
		2995
		2996	1
1928	}	2997	}
1929		2998
1930	cf::client->attach (	2999	cf::client->attach (
		3000	on_connect => sub {
		3001	my ($ns) = @_;
		3002
		3003	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3004	},
1931	on_reply => sub {	3005	on_reply => sub {
1932	my ($ns, $msg) = @_;	3006	my ($ns, $msg) = @_;
1933		3007
1934	# this weird shuffling is so that direct followup queries	3008	# this weird shuffling is so that direct followup queries
1935	# get handled first	3009	# get handled first
1936	my $queue = delete $ns->{query_queue}	3010	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	3011	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		3012
1939	(shift @$queue)->[1]->($msg);	3013	(shift @$queue)->[1]->($msg);
		3014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		3015
1941	push @{ $ns->{query_queue} }, @$queue;	3016	push @{ $ns->{query_queue} }, @$queue;
1942		3017
1943	if (@{ $ns->{query_queue} } == @$queue) {	3018	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	3019	if (@$queue) {
…		…
1946	} else {	3021	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	3023	}
1949	}	3024	}
1950	},	3025	},
		3026	on_exticmd => sub {
		3027	my ($ns, $buf) = @_;
		3028
		3029	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3030
		3031	if (ref $msg) {
		3032	my ($type, $reply, @payload) =
		3033	"ARRAY" eq ref $msg
		3034	? @$msg
		3035	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3036
		3037	my @reply;
		3038
		3039	if (my $cb = $EXTICMD{$type}) {
		3040	@reply = $cb->($ns, @payload);
		3041	}
		3042
		3043	$ns->ext_reply ($reply, @reply)
		3044	if $reply;
		3045
		3046	} else {
		3047	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3048	}
		3049
		3050	cf::override;
		3051	},
1951	);	3052	);
1952		3053
1953	=item $client->async (\&cb)	3054	=item $client->async (\&cb)
1954		3055
1955	Create a new coroutine, running the specified callback. The coroutine will	3056	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	3097	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3098	our $safe_hole = new Safe::Hole;
1998		3099
1999	$SIG{FPE} = 'IGNORE';	3100	$SIG{FPE} = 'IGNORE';
2000		3101
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3102	$safe->permit_only (Opcode::opset qw(
		3103	:base_core :base_mem :base_orig :base_math
		3104	grepstart grepwhile mapstart mapwhile
		3105	sort time
		3106	));
2002		3107
2003	# here we export the classes and methods available to script code	3108	# here we export the classes and methods available to script code
2004		3109
2005	=pod	3110	=pod
2006		3111
2007	The following fucntions and emthods are available within a safe environment:	3112	The following functions and methods are available within a safe environment:
2008		3113
2009	cf::object contr pay_amount pay_player map	3114	cf::object
		3115	contr pay_amount pay_player map x y force_find force_add destroy
		3116	insert remove name archname title slaying race decrease split
		3117
2010	cf::object::player player	3118	cf::object::player
2011	cf::player peaceful	3119	player
2012	cf::map trigger	3120
		3121	cf::player
		3122	peaceful
		3123
		3124	cf::map
		3125	trigger
2013		3126
2014	=cut	3127	=cut
2015		3128
2016	for (	3129	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3130	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3131	insert remove inv nrof name archname title slaying race
		3132	decrease split destroy)],
2018	["cf::object::player" => qw(player)],	3133	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3134	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	3135	["cf::map" => qw(trigger)],
2021	) {	3136	) {
2022	no strict 'refs';	3137	no strict 'refs';
…		…
2093	=back	3208	=back
2094		3209
2095	=cut	3210	=cut
2096		3211
2097	#############################################################################	3212	#############################################################################
		3213	# the server's init and main functions
2098		3214
2099	=head2 EXTENSION DATABASE SUPPORT	3215	sub load_facedata($) {
		3216	my ($path) = @_;
2100		3217
2101	Crossfire maintains a very simple database for extension use. It can	3218	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3219	# for this (global event?)
2103	excludes objects.	3220	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3221
2105	The parameter C<$family> should best start with the name of the extension	3222	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3223
2108	=over 4	3224	warn "loading facedata from $path\n";
2109		3225
2110	=item $hashref = cf::db_get $family	3226	my $facedata;
		3227	0 < aio_load $path, $facedata
		3228	or die "$path: $!";
2111		3229
2112	Return a hashref for use by the extension C<$family>, which can be	3230	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3231
2116	=item $value = cf::db_get $family => $key	3232	$facedata->{version} == 2
		3233	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3234
2118	Returns a single value from the database	3235	# patch in the exptable
2119		3236	$facedata->{resource}{"res/exp_table"} = {
2120	=item cf::db_put $family => $hashref	3237	type => FT_RSRC,
2121		3238	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3239	};
		3240	cf::cede_to_tick;
2171		3241
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3242	{
		3243	my $faces = $facedata->{faceinfo};
2176		3244
2177	sub db_get($;$) {	3245	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		3247
2183	sub db_put($$;$) {	3248	cf::face::set_visibility $idx, $info->{visibility};
2184	if (@_ >= 3) {	3249	cf::face::set_magicmap $idx, $info->{magicmap};
2185	$DB->{$_[0]}{$_[1]} = $_[2];	3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2186	} else {	3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		3252
2192	cf::global->attach (	3253	cf::cede_to_tick;
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3254	}
2197	);
2198	}
2199		3255
2200	#############################################################################	3256	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3257	next unless $info->{smooth};
2202		3258
2203	sub cfg_load {	3259	my $idx = cf::face::find $face
		3260	or next;
		3261
		3262	if (my $smooth = cf::face::find $info->{smooth}) {
		3263	cf::face::set_smooth $idx, $smooth;
		3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3265	} else {
		3266	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	{
		3274	my $anims = $facedata->{animinfo};
		3275
		3276	while (my ($anim, $info) = each %$anims) {
		3277	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3278	cf::cede_to_tick;
		3279	}
		3280
		3281	cf::anim::invalidate_all; # d'oh
		3282	}
		3283
		3284	{
		3285	# TODO: for gcfclient pleasure, we should give resources
		3286	# that gcfclient doesn't grok a >10000 face index.
		3287	my $res = $facedata->{resource};
		3288
		3289	while (my ($name, $info) = each %$res) {
		3290	if (defined $info->{type}) {
		3291	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3292	my $data;
		3293
		3294	if ($info->{type} & 1) {
		3295	# prepend meta info
		3296
		3297	my $meta = $enc->encode ({
		3298	name => $name,
		3299	%{ $info->{meta} || {} },
		3300	});
		3301
		3302	$data = pack "(w/a*)*", $meta, $info->{data};
		3303	} else {
		3304	$data = $info->{data};
		3305	}
		3306
		3307	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3308	cf::face::set_type $idx, $info->{type};
		3309	} else {
		3310	$RESOURCE{$name} = $info;
		3311	}
		3312
		3313	cf::cede_to_tick;
		3314	}
		3315	}
		3316
		3317	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3318
		3319	1
		3320	}
		3321
		3322	cf::global->attach (on_resource_update => sub {
		3323	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3324	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3325
		3326	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3327	my $sound = $soundconf->{compat}[$_]
		3328	or next;
		3329
		3330	my $face = cf::face::find "sound/$sound->[1]";
		3331	cf::sound::set $sound->[0] => $face;
		3332	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3333	}
		3334
		3335	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3336	my $face = cf::face::find "sound/$v";
		3337	cf::sound::set $k => $face;
		3338	}
		3339	}
		3340	});
		3341
		3342	register_exticmd fx_want => sub {
		3343	my ($ns, $want) = @_;
		3344
		3345	while (my ($k, $v) = each %$want) {
		3346	$ns->fx_want ($k, $v);
		3347	}
		3348	};
		3349
		3350	sub load_resource_file($) {
		3351	my $guard = lock_acquire "load_resource_file";
		3352
		3353	my $status = load_resource_file_ $_[0];
		3354	get_slot 0.1, 100;
		3355	cf::arch::commit_load;
		3356
		3357	$status
		3358	}
		3359
		3360	sub reload_regions {
		3361	# HACK to clear player env face cache, we need some signal framework
		3362	# for this (global event?)
		3363	%ext::player_env::MUSIC_FACE_CACHE = ();
		3364
		3365	load_resource_file "$MAPDIR/regions"
		3366	or die "unable to load regions file\n";
		3367
		3368	for (cf::region::list) {
		3369	$_->{match} = qr/$_->{match}/
		3370	if exists $_->{match};
		3371	}
		3372	}
		3373
		3374	sub reload_facedata {
		3375	load_facedata "$DATADIR/facedata"
		3376	or die "unable to load facedata\n";
		3377	}
		3378
		3379	sub reload_archetypes {
		3380	load_resource_file "$DATADIR/archetypes"
		3381	or die "unable to load archetypes\n";
		3382	}
		3383
		3384	sub reload_treasures {
		3385	load_resource_file "$DATADIR/treasures"
		3386	or die "unable to load treasurelists\n";
		3387	}
		3388
		3389	sub reload_resources {
		3390	warn "reloading resource files...\n";
		3391
		3392	reload_facedata;
		3393	reload_archetypes;
		3394	reload_regions;
		3395	reload_treasures;
		3396
		3397	warn "finished reloading resource files\n";
		3398	}
		3399
		3400	sub init {
		3401	my $guard = freeze_mainloop;
		3402
		3403	reload_resources;
		3404	}
		3405
		3406	sub reload_config {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3408	or return;
2206		3409
2207	local $/;	3410	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2209		3412
2210	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2211		3414
2212	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2223		3426
2224	sub main {	3427	sub main {
2225	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228	async { Event::one_event };	3431	(async {
		3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
		3434	})->prio (Coro::PRIO_MAX);
2229	};	3435	};
2230		3436
2231	cfg_load;	3437	{
2232	db_load;	3438	my $guard = freeze_mainloop;
		3439	reload_config;
		3440	db_init;
2233	load_extensions;	3441	load_extensions;
		3442
		3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2234	Event::loop;	3446	EV::loop;
2235	}	3447	}
2236		3448
2237	#############################################################################	3449	#############################################################################
2238	# initialisation and cleanup	3450	# initialisation and cleanup
2239		3451
2240	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2241	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2248	},
2249	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2250	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2251	}	3541	}
2252		3542
2253	sub emergency_save() {	3543	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2255		3545
2256	warn "enter emergency perl save\n";	3546	warn "enter emergency perl save\n";
2257		3547
2258	cf::sync_job {	3548	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3549	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3550	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3557	$pl->save;
2267	}	3558	}
2268	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2269		3560
2270	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2272	my $map = $cf::MAP{$path} or next;	3563	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3564	$map->valid or next;
2274	$map->save;	3565	$map->save;
2275	}	3566	}
2276	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
		3568
		3569	warn "begin emergency database checkpoint\n";
		3570	BDB::db_env_txn_checkpoint $DB_ENV;
		3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2277	};	3576	};
2278		3577
2279	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2280	}	3579	}
2281		3580
		3581	sub post_cleanup {
		3582	my ($make_core) = @_;
		3583
		3584	warn Carp::longmess "post_cleanup backtrace"
		3585	if $make_core;
		3586	}
		3587
2282	sub reload() {	3588	sub do_reload_perl() {
2283	# can/must only be called in main	3589	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3591	warn "can only reload from main coroutine";
2286	return;	3592	return;
2287	}	3593	}
2288		3594
2289	warn "reloading...";	3595	warn "reloading...";
2290		3596
2291	warn "freezing server";	3597	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3598
		3599	cf::sync_job {
		3600	cf::write_runtime_sync; # external watchdog should not bark
2293	cf::emergency_save;	3601	cf::emergency_save;
		3602	cf::write_runtime_sync; # external watchdog should not bark
2294		3603
2295	warn "sync database to disk";	3604	warn "syncing database to disk";
2296	cf::db_sync;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3606
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2301		3608
2302	warn "cancel all watchers";	3609	warn "flushing outstanding aio requests";
2303	for (Event::all_watchers) {	3610	for (;;) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3611	BDB::flush;
		3612	IO::AIO::flush;
		3613	Coro::cede_notself;
		3614	last unless IO::AIO::nreqs || BDB::nreqs;
		3615	warn "iterate...";
2305	}	3616	}
2306		3617
		3618	++$RELOAD;
		3619
2307	warn "cancel all extension coros";	3620	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3621	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3622	%EXT_CORO = ();
2310		3623
2311	warn "remove commands";	3624	warn "removing commands";
2312	%COMMAND = ();	3625	%COMMAND = ();
2313		3626
2314	warn "remove ext commands";	3627	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2316		3630
2317	warn "unload/nuke all extensions";	3631	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3633	warn "... unloading $pkg";
2320		3634
2321	if (my $cb = $pkg->can ("unload")) {	3635	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3636	eval {
2323	$cb->($pkg);	3637	$cb->($pkg);
2324	1	3638	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3639	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3640	}
2327		3641
		3642	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	3643	Symbol::delete_package $pkg;
2329	}	3644	}
2330		3645
2331	warn "unload all perl modules loaded from $LIBDIR";	3646	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3647	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3648	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3649
2335	warn "removing <$k>";	3650	warn "... unloading $k";
2336	delete $INC{$k};	3651	delete $INC{$k};
2337		3652
2338	$k =~ s/\.pm$//;	3653	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3654	$k =~ s/\//::/g;
2340		3655
…		…
2343	}	3658	}
2344		3659
2345	Symbol::delete_package $k;	3660	Symbol::delete_package $k;
2346	}	3661	}
2347		3662
2348	warn "get rid of safe::, as good as possible";	3663	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3666
2352	warn "unload cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2354		3670
2355	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3672	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2358		3674
		3675	warn "unload completed, starting to reload now";
		3676
2359	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2360	require cf;	3678	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3680
2363	warn "load config and database again";	3681	warn "loading config and database again";
2364	cf::cfg_load;	3682	cf::reload_config;
2365	cf::db_load;
2366		3683
2367	warn "load extensions";	3684	warn "loading extensions";
2368	cf::load_extensions;	3685	cf::load_extensions;
2369		3686
2370	warn "reattach attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3688	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3689	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
		3691	warn "reattaching attachments to players";
		3692	reattach $_ for values %PLAYER;
		3693
		3694	warn "leaving sync_job";
		3695
		3696	1
		3697	} or do {
		3698	warn $@;
		3699	cf::cleanup "error while reloading, exiting.";
2374	};	3700	};
2375
2376	if ($@) {
2377	warn $@;
2378	warn "error while reloading, exiting.";
2379	exit 1;
2380	}
2381		3701
2382	warn "reloaded";	3702	warn "reloaded";
2383	};	3703	};
2384		3704
2385	#############################################################################	3705	our $RELOAD_WATCHER; # used only during reload
2386		3706
2387	unless ($LINK_MAP) {	3707	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
2389		3710
2390	$LINK_MAP->width (41);	3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2391	$LINK_MAP->height (41);	3712	do_reload_perl;
2392	$LINK_MAP->alloc;	3713	undef $RELOAD_WATCHER;
2393	$LINK_MAP->path ("{link}");	3714	};
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3715	}
2427		3716
2428	register_command "reload" => sub {	3717	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2430		3719
2431	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
		3724	reload_perl;
		3725	};
2435	}	3726	}
2436	};	3727	};
2437		3728
2438	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2439		3730
2440	$TICK_WATCHER = Event->timer (	3731	my $bug_warning = 0;
2441	reentrant => 0,	3732
2442	prio => 0,	3733	our @WAIT_FOR_TICK;
2443	at => $NEXT_TICK || $TICK,	3734	our @WAIT_FOR_TICK_BEGIN;
2444	data => WF_AUTOCANCEL,	3735
2445	cb => sub {	3736	sub wait_for_tick {
		3737	return if tick_inhibit || $Coro::current == $Coro::main;
		3738
		3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
		3753	if ($Coro::current != $Coro::main) {
		3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3755	unless ++$bug_warning > 10;
		3756	return;
		3757	}
		3758
2446	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;
2449		3760
2450	$WAIT_FOR_TICK->broadcast;	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2452		3763	Coro::async_pool {
2453	# if we are delayed by four ticks or more, skip them all	3764	$Coro::current->{desc} = "runtime saver";
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455
2456	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;
2458	},
2459	);
2460
2461	IO::AIO::max_poll_time $TICK * 0.2;
2462
2463	Event->io (
2464	fd => IO::AIO::poll_fileno,
2465	poll => 'r',
2466	prio => 5,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,
2473	after => 0,
2474	interval => 10,
2475	cb => sub {
2476	(Coro::unblock_sub {
2477	write_runtime	3765	write_runtime_sync
2478	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2479	})->();	3767	};
2480	},	3768	}
2481	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
		3788
		3789	{
		3790	# configure BDB
		3791
		3792	BDB::min_parallel 8;
		3793	BDB::max_poll_reqs $TICK * 0.1;
		3794	$AnyEvent::BDB::WATCHER->priority (1);
		3795
		3796	unless ($DB_ENV) {
		3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3802
		3803	cf::sync_job {
		3804	eval {
		3805	BDB::db_env_open
		3806	$DB_ENV,
		3807	$BDBDIR,
		3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3810	0666;
		3811
		3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3813	};
		3814
		3815	cf::cleanup "db_env_open(db): $@" if $@;
		3816	};
		3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
		3828	}
		3829
		3830	{
		3831	# configure IO::AIO
		3832
		3833	IO::AIO::min_parallel 8;
		3834	IO::AIO::max_poll_time $TICK * 0.1;
		3835	#undef $AnyEvent::AIO::WATCHER;
		3836	}
		3837
		3838	my $_log_backtrace;
		3839
		3840	sub _log_backtrace {
		3841	my ($msg, @addr) = @_;
		3842
		3843	$msg =~ s/\n//;
		3844
		3845	# limit the # of concurrent backtraces
		3846	if ($_log_backtrace < 2) {
		3847	++$_log_backtrace;
		3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
		3851	my @bt = fork_call {
		3852	@addr = map { sprintf "%x", $_ } @addr;
		3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3855	or die "addr2line: $!";
		3856
		3857	my @funcs;
		3858	my @res = <$fh>;
		3859	chomp for @res;
		3860	while (@res) {
		3861	my ($func, $line) = splice @res, 0, 2, ();
		3862	push @funcs, "[$func] $line";
		3863	}
		3864
		3865	@funcs
		3866	};
		3867
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] $_\n" for @bt;
		3870	--$_log_backtrace;
		3871	};
		3872	} else {
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] [suppressed]\n";
		3875	}
		3876	}
		3877
		3878	# load additional modules
		3879	use cf::pod;
2482		3880
2483	END { cf::emergency_save }	3881	END { cf::emergency_save }
2484		3882
		3883	evthread_start IO::AIO::poll_fileno;
		3884
2485	1	3885	1
2486		3886

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