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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.3 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		69
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		71
36	our %COMMAND = ();	72	our %COMMAND = ();
37	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
38		74
39	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
43		80
		81	our $RELOAD; # number of reloads so far
44	our @EVENT;	82	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		83
47	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	85	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	99	our $NEXT_TICK;
52	our $NOW;	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
		104	our $BDB_TRICKLE_WATCHER;
		105	our $DB_ENV;
53		106
54	our %CFG;	107	our %CFG;
55		108
56	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
58		112
59	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		116
67	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
70	binmode STDOUT;	125	binmode STDOUT;
71	binmode STDERR;	126	binmode STDERR;
72		127
73	# read virtual server time, if available	128	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
78	}	133	}
79		134
80	mkdir cf::localdir;	135	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		137
86	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
		139
		140	sub cf::map::normalise;
87		141
88	#############################################################################	142	#############################################################################
89		143
90	=head2 GLOBAL VARIABLES	144	=head2 GLOBAL VARIABLES
91		145
…		…
98	=item $cf::RUNTIME	152	=item $cf::RUNTIME
99		153
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	155	every server tick.
102		156
103	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		160
105	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
107		165
108	=item $cf::NOW	166	=item $cf::NOW
109		167
110	The time of the last (current) server tick.	168	The time of the last (current) server tick.
111		169
112	=item $cf::TICK	170	=item $cf::TICK
113		171
114	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
115		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
116	=item %cf::CFG	184	=item %cf::CFG
117		185
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	187	from wherever your confdir points to.
120		188
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		190
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	192	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
127		200
128	=back	201	=back
129		202
130	=cut	203	=cut
131		204
132	BEGIN {	205	BEGIN {
133	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	207	my $msg = join "", @_;
135	utf8::encode $msg;
136		208
137	$msg .= "\n"	209	$msg .= "\n"
138	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
139		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
140	LOG llevError, $msg;	214	LOG llevError, $msg;
141	};	215	};
142	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
143		232
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		240
151	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	242	# within the Safe compartment.
153	for my $pkg (qw(	243	for my $pkg (qw(
154	cf::global cf::attachable	244	cf::global cf::attachable
155	cf::object cf::object::player	245	cf::object cf::object::player
156	cf::client cf::player	246	cf::client cf::player
157	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
158	cf::map cf::party cf::region	249	cf::party cf::region
159	)) {	250	)) {
160	no strict 'refs';	251	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	253	}
163		254
164	$Event::DIED = sub {	255	$EV::DIED = sub {
165	warn "error in event callback: @_";	256	warn "error in event callback: @_";
166	};	257	};
		258
		259	#############################################################################
167		260
168	=head2 UTILITY FUNCTIONS	261	=head2 UTILITY FUNCTIONS
169		262
170	=over 4	263	=over 4
171		264
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	284	$d
192	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
193	}	286	}
194		287
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
198		289
199	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
200		291
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
209		293
210	Converts a perl data structure into its JSON representation.	294	Converts a perl data structure into its JSON representation.
211		295
212	=cut	296	=cut
213		297
214	sub to_json($) {	298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	299
216	JSON::Syck::Dump $_[0]	300	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	301	sub decode_json($) { $json_coder->decode ($_[0]) }
218		302
219	=item cf::lock_wait $string	303	=item cf::lock_wait $string
220		304
221	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
222		306
…		…
225	Wait until the given lock is available and then acquires it and returns	309	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	310	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	311	for example when the coroutine gets canceled), the lock is automatically
228	returned.	312	returned.
229		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
230	Lock names should begin with a unique identifier (for example, cf::map::find	317	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
232		319
		320	=item $locked = cf::lock_active $string
		321
		322	Return true if the lock is currently active, i.e. somebody has locked it.
		323
233	=cut	324	=cut
234		325
235	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
236		328
237	sub lock_wait($) {	329	sub lock_wait($) {
238	my ($key) = @_;	330	my ($key) = @_;
		331
		332	if ($LOCKER{$key} == $Coro::current) {#d#
		333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		334	return;#d#
		335	}#d#
239		336
240	# wait for lock, if any	337	# wait for lock, if any
241	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	340	Coro::schedule;
…		…
249		346
250	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
251	lock_wait $key;	348	lock_wait $key;
252		349
253	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
254		352
255	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
258	}	357	}
259	}	358	}
260		359
		360	sub lock_active($) {
		361	my ($key) = @_;
		362
		363	! ! $LOCK{$key}
		364	}
		365
261	sub freeze_mainloop {	366	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
263		368
264	my $guard = Coro::guard {	369	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	370	}
266	$WRITE_RUNTIME_WATCHER->start;	371
		372	=item cf::periodic $interval, $cb
		373
		374	Like EV::periodic, but randomly selects a starting point so that the actions
		375	get spread over timer.
		376
		377	=cut
		378
		379	sub periodic($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
267	};	430	}
268	$WRITE_RUNTIME_WATCHER->stop;	431	};
269	$TICK_WATCHER->stop;	432
270	$guard	433	sub get_slot($;$$) {
		434	return if tick_inhibit || $Coro::current == $Coro::main;
		435
		436	my ($time, $pri, $name) = @_;
		437
		438	$time = $TICK * .6 if $time > $TICK * .6;
		439	my $sig = new Coro::Signal;
		440
		441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		443	$SLOT_QUEUE->ready;
		444	$sig->wait;
271	}	445	}
272		446
273	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
274		448
275	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		454
281	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
282		456
283	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
284		458
285	The design of crossfire+ requires that the main coro ($Coro::main) is	459	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	460	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		462	acceptable.
288		463
289	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	466	server will be frozen during this time, so the block should either finish
292	fast or be very important.	467	fast or be very important.
…		…
295		470
296	sub sync_job(&) {	471	sub sync_job(&) {
297	my ($job) = @_;	472	my ($job) = @_;
298		473
299	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
		475	my $time = EV::time;
		476
300	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
302		479
303	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	481
305	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
306		483
307	my $busy = 1;	484	my $busy = 1;
308	my @res;	485	my @res;
309		486
310	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	489	@res = eval { $job->() };
312	warn $@ if $@;	490	warn $@ if $@;
313	undef $busy;	491	undef $busy;
314	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
315		493
316	while ($busy) {	494	while ($busy) {
317	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
318	}	499	}
		500	}
		501
		502	my $time = EV::time - $time;
		503
		504	$TICK_START += $time; # do not account sync jobs to server load
319		505
320	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
321	} else {	507	} else {
322	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
323		509
…		…
343	$EXT_CORO{$coro+0} = $coro;	529	$EXT_CORO{$coro+0} = $coro;
344		530
345	$coro	531	$coro
346	}	532	}
347		533
348	sub write_runtime {	534	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		535
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	536	Executes the given code block with the given arguments in a seperate
352	or return;	537	process, returning the results. Everything must be serialisable with
		538	Coro::Storable. May, of course, block. Note that the executed sub may
		539	never block itself or use any form of event handling.
353		540
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	541	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		542
358	aio_fsync $fh	543	sub fork_call(&@) {
359	and return;	544	my ($cb, @args) = @_;
360		545
361	close $fh	546	# we seemingly have to make a local copy of the whole thing,
362	or return;	547	# otherwise perl prematurely frees the stuff :/
		548	# TODO: investigate and fix (likely this will be rather laborious)
363		549
364	aio_rename "$runtime~", $runtime	550	my @res = Coro::Util::fork_eval {
365	and return;	551	reset_signals;
		552	&$cb
		553	}, @args;
366		554
		555	wantarray ? @res : $res[-1]
		556	}
		557
		558	=item $coin = coin_from_name $name
		559
		560	=cut
		561
		562	our %coin_alias = (
		563	"silver" => "silvercoin",
		564	"silvercoin" => "silvercoin",
		565	"silvercoins" => "silvercoin",
		566	"gold" => "goldcoin",
		567	"goldcoin" => "goldcoin",
		568	"goldcoins" => "goldcoin",
		569	"platinum" => "platinacoin",
		570	"platinumcoin" => "platinacoin",
		571	"platinumcoins" => "platinacoin",
		572	"platina" => "platinacoin",
		573	"platinacoin" => "platinacoin",
		574	"platinacoins" => "platinacoin",
		575	"royalty" => "royalty",
		576	"royalties" => "royalty",
		577	);
		578
		579	sub coin_from_name($) {
		580	$coin_alias{$_[0]}
		581	? cf::arch::find $coin_alias{$_[0]}
		582	: undef
		583	}
		584
		585	=item $value = cf::db_get $family => $key
		586
		587	Returns a single value from the environment database.
		588
		589	=item cf::db_put $family => $key => $value
		590
		591	Stores the given C<$value> in the family. It can currently store binary
		592	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		593
		594	=item $db = cf::db_table "name"
		595
		596	Create and/or open a new database table. The string must not be "db" and must be unique
		597	within each server.
		598
		599	=cut
		600
		601	sub db_table($) {
		602	my ($name) = @_;
		603	my $db = BDB::db_create $DB_ENV;
		604
		605	eval {
		606	$db->set_flags (BDB::CHKSUM);
		607
		608	utf8::encode $name;
		609	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		610	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		611	cf::cleanup "db_open(db): $!" if $!;
		612	};
		613	cf::cleanup "db_open(db): $@" if $@;
		614
		615	$db
		616	}
		617
		618	our $DB;
		619
		620	sub db_init {
		621	cf::sync_job {
		622	$DB ||= db_table "db";
		623	};
		624	}
		625
		626	sub db_get($$) {
		627	my $key = "$_[0]/$_[1]";
		628
		629	cf::sync_job {
		630	BDB::db_get $DB, undef, $key, my $data;
		631
		632	$! ? ()
		633	: $data
367	1	634	}
		635	}
		636
		637	sub db_put($$$) {
		638	BDB::dbreq_pri 4;
		639	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		640	}
		641
		642	=item cf::cache $id => [$paths...], $processversion => $process
		643
		644	Generic caching function that returns the value of the resource $id,
		645	caching and regenerating as required.
		646
		647	This function can block.
		648
		649	=cut
		650
		651	sub cache {
		652	my ($id, $src, $processversion, $process) = @_;
		653
		654	my $meta =
		655	join "\x00",
		656	$processversion,
		657	map {
		658	aio_stat $_
		659	and Carp::croak "$_: $!";
		660
		661	($_, (stat _)[7,9])
		662	} @$src;
		663
		664	my $dbmeta = db_get cache => "$id/meta";
		665	if ($dbmeta ne $meta) {
		666	# changed, we may need to process
		667
		668	my @data;
		669	my $md5;
		670
		671	for (0 .. $#$src) {
		672	0 <= aio_load $src->[$_], $data[$_]
		673	or Carp::croak "$src->[$_]: $!";
		674	}
		675
		676	# if processing is expensive, check
		677	# checksum first
		678	if (1) {
		679	$md5 =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	cf::cede_to_tick;
		684	($src->[$_], Digest::MD5::md5_hex $data[$_])
		685	} 0.. $#$src;
		686
		687
		688	my $dbmd5 = db_get cache => "$id/md5";
		689	if ($dbmd5 eq $md5) {
		690	db_put cache => "$id/meta", $meta;
		691
		692	return db_get cache => "$id/data";
		693	}
		694	}
		695
		696	my $t1 = Time::HiRes::time;
		697	my $data = $process->(\@data);
		698	my $t2 = Time::HiRes::time;
		699
		700	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		701
		702	db_put cache => "$id/data", $data;
		703	db_put cache => "$id/md5" , $md5;
		704	db_put cache => "$id/meta", $meta;
		705
		706	return $data;
		707	}
		708
		709	db_get cache => "$id/data"
		710	}
		711
		712	=item cf::datalog type => key => value, ...
		713
		714	Log a datalog packet of the given type with the given key-value pairs.
		715
		716	=cut
		717
		718	sub datalog($@) {
		719	my ($type, %kv) = @_;
		720	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	721	}
369		722
370	=back	723	=back
371		724
372	=cut	725	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	732	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
381		734
382	In the following description, CLASS can be any of C<global>, C<object>	735	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	736	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	737	Deliantra).
385		738
386	=over 4	739	=over 4
387		740
388	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
389		742
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	856	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	857	our @CB_MAP = ();
505		858
506	my %attachment;	859	my %attachment;
507		860
		861	sub cf::attachable::thawer_merge {
		862	# simply override everything except _meta
		863	local $_[0]{_meta};
		864	%{$_[0]} = %{$_[1]};
		865	}
		866
508	sub _attach_cb($$$$) {	867	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	868	my ($registry, $event, $prio, $cb) = @_;
510		869
511	use sort 'stable';	870	use sort 'stable';
512		871
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	905	$registry = $CB_TYPE[$object_type] ||= [];
547		906
548	} elsif ($type eq "subtype") {	907	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	908	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	909	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	910	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		911
553	} elsif ($type eq "package") {	912	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	913	my $pkg = shift @arg;
555		914
556	while (my ($name, $id) = each %cb_id) {	915	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	944	_attach $registry, $klass, @attach;
586	}	945	}
587		946
588	$obj->{$name} = \%arg;	947	$obj->{$name} = \%arg;
589	} else {	948	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	949	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	950	}
592		951
593	$obj->{_attachment}{$name} = undef;	952	$obj->{_attachment}{$name} = undef;
594	}	953	}
595		954
…		…
597	if (ref $_[0]) {	956	if (ref $_[0]) {
598	_object_attach @_;	957	_object_attach @_;
599	} else {	958	} else {
600	_attach shift->_attach_registry, @_;	959	_attach shift->_attach_registry, @_;
601	}	960	}
		961	_recalc_want;
602	};	962	};
603		963
604	# all those should be optimised	964	# all those should be optimised
605	sub cf::attachable::detach {	965	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	966	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	969	delete $obj->{_attachment}{$name};
610	reattach ($obj);	970	reattach ($obj);
611	} else {	971	} else {
612	Carp::croak "cannot, currently, detach class attachments";	972	Carp::croak "cannot, currently, detach class attachments";
613	}	973	}
		974	_recalc_want;
614	};	975	};
615		976
616	sub cf::attachable::attached {	977	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	978	my ($obj, $name) = @_;
618		979
…		…
633	";	994	";
634	die if $@;	995	die if $@;
635	}	996	}
636		997
637	our $override;	998	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	999	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		1000
640	sub override {	1001	sub override {
641	$override = 1;	1002	$override = 1;
642	@invoke_results = ();	1003	@INVOKE_RESULTS = (@_);
643	}	1004	}
644		1005
645	sub do_invoke {	1006	sub do_invoke {
646	my $event = shift;	1007	my $event = shift;
647	my $callbacks = shift;	1008	my $callbacks = shift;
648		1009
649	@invoke_results = ();	1010	@INVOKE_RESULTS = ();
650		1011
651	local $override;	1012	local $override;
652		1013
653	for (@$callbacks) {	1014	for (@$callbacks) {
654	eval { &{$_->[1]} };	1015	eval { &{$_->[1]} };
…		…
663	}	1024	}
664		1025
665	0	1026	0
666	}	1027	}
667		1028
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1030
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1032
672	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
673		1034
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1035	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1036	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1037	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1038
678	=back	1039	=back
679		1040
680	=cut	1041	=cut
681		1042
682	#############################################################################	1043	#############################################################################
683	# object support	1044	# object support
		1045
		1046	sub _object_equal($$);
		1047	sub _object_equal($$) {
		1048	my ($a, $b) = @_;
		1049
		1050	return 0 unless (ref $a) eq (ref $b);
		1051
		1052	if ("HASH" eq ref $a) {
		1053	my @ka = keys %$a;
		1054	my @kb = keys %$b;
		1055
		1056	return 0 if @ka != @kb;
		1057
		1058	for (0 .. $#ka) {
		1059	return 0 unless $ka[$_] eq $kb[$_];
		1060	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1061	}
		1062
		1063	} elsif ("ARRAY" eq ref $a) {
		1064
		1065	return 0 if @$a != @$b;
		1066
		1067	for (0 .. $#$a) {
		1068	return 0 unless _object_equal $a->[$_], $b->[$_];
		1069	}
		1070
		1071	} elsif ($a ne $b) {
		1072	return 0;
		1073	}
		1074
		1075	1
		1076	}
		1077
		1078	our $SLOW_MERGES;#d#
		1079	sub _can_merge {
		1080	my ($ob1, $ob2) = @_;
		1081
		1082	++$SLOW_MERGES;#d#
		1083
		1084	# we do the slow way here
		1085	return _object_equal $ob1, $ob2
		1086	}
684		1087
685	sub reattach {	1088	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1090	my ($obj) = @_;
		1091
		1092	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1093
689	my $registry = $obj->registry;	1094	my $registry = $obj->registry;
690		1095
691	@$registry = ();	1096	@$registry = ();
692		1097
…		…
707	cf::attachable->attach (	1112	cf::attachable->attach (
708	prio => -1000000,	1113	prio => -1000000,
709	on_instantiate => sub {	1114	on_instantiate => sub {
710	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
711		1116
712	$data = from_json $data;	1117	$data = decode_json $data;
713		1118
714	for (@$data) {	1119	for (@$data) {
715	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
716		1121
717	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1138	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
735		1140
736	sync_job {	1141	sync_job {
737	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
740		1146
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1150	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1151	aio_close $fh;
746		1152
747	if (@$objs) {	1153	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1158	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1159	aio_close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
755	}	1161	}
756	} else {	1162	} else {
757	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
758	}	1164	}
…		…
763	}	1169	}
764	} else {	1170	} else {
765	aio_unlink $filename;	1171	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
767	}	1173	}
768	}	1174	};
769	}	1175	}
770		1176
771	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
773		1179
…		…
785	or return;	1191	or return;
786		1192
787	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
789	or return;	1195	or return;
		1196
790	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
791	}	1199	}
792		1200
		1201	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1203	$decname, length $data, scalar @{$av || []};
		1204
795	return ($data, $av);	1205	($data, $av)
796	}	1206	}
		1207
		1208	=head2 COMMAND CALLBACKS
		1209
		1210	=over 4
		1211
		1212	=cut
797		1213
798	#############################################################################	1214	#############################################################################
799	# command handling &c	1215	# command handling &c
800		1216
801	=item cf::register_command $name => \&callback($ob,$args);	1217	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1230	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1231	}
816		1232
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1233	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1234
819	Register a callbackf ro execution when the client sends an extcmd packet.	1235	Register a callback for execution when the client sends an (synchronous)
		1236	extcmd packet. Ext commands will be processed in the order they are
		1237	received by the server, like other user commands. The first argument is
		1238	the logged-in player. Ext commands can only be processed after a player
		1239	has logged in successfully.
820		1240
821	If the callback returns something, it is sent back as if reply was being	1241	If the callback returns something, it is sent back as if reply was being
822	called.	1242	called.
823		1243
		1244	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1245
		1246	Register a callback for execution when the client sends an (asynchronous)
		1247	exticmd packet. Exti commands are processed by the server as soon as they
		1248	are received, i.e. out of order w.r.t. other commands. The first argument
		1249	is a client socket. Exti commands can be received anytime, even before
		1250	log-in.
		1251
		1252	If the callback returns something, it is sent back as if reply was being
		1253	called.
		1254
824	=cut	1255	=cut
825		1256
826	sub register_extcmd {	1257	sub register_extcmd {
827	my ($name, $cb) = @_;	1258	my ($name, $cb) = @_;
828		1259
829	$EXTCMD{$name} = $cb;	1260	$EXTCMD{$name} = $cb;
		1261	}
		1262
		1263	sub register_exticmd {
		1264	my ($name, $cb) = @_;
		1265
		1266	$EXTICMD{$name} = $cb;
830	}	1267	}
831		1268
832	cf::player->attach (	1269	cf::player->attach (
833	on_command => sub {	1270	on_command => sub {
834	my ($pl, $name, $params) = @_;	1271	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1280	cf::override;
844	},	1281	},
845	on_extcmd => sub {	1282	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
847		1284
848	my $msg = eval { from_json $buf };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1286
850	if (ref $msg) {	1287	if (ref $msg) {
		1288	my ($type, $reply, @payload) =
		1289	"ARRAY" eq ref $msg
		1290	? @$msg
		1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1292
		1293	my @reply;
		1294
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
856	} else {	1302	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1304	}
859		1305
860	cf::override;	1306	cf::override;
861	},	1307	},
862	);	1308	);
863		1309
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1310	sub load_extensions {
		1311	cf::sync_job {
		1312	my %todo;
		1313
899	for my $ext (<$LIBDIR/*.ext>) {	1314	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1315	next unless -r $path;
901	eval {	1316
902	load_extension $ext;	1317	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1318	my $base = $1;
		1319	my $pkg = $1;
		1320	$pkg =~ s/[^[:word:]]/_/g;
		1321	$pkg = "ext::$pkg";
		1322
		1323	open my $fh, "<:utf8", $path
		1324	or die "$path: $!";
		1325
		1326	my $source = do { local $/; <$fh> };
		1327
		1328	my %ext = (
		1329	path => $path,
		1330	base => $base,
		1331	pkg => $pkg,
		1332	);
		1333
		1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1336
		1337	$ext{source} =
		1338	"package $pkg; use strict; use utf8;\n"
		1339	. "#line 1 \"$path\"\n{\n"
		1340	. $source
		1341	. "\n};\n1";
		1342
		1343	$todo{$base} = \%ext;
		1344	}
		1345
		1346	my %done;
		1347	while (%todo) {
		1348	my $progress;
		1349
		1350	while (my ($k, $v) = each %todo) {
		1351	for (split /,\s*/, $v->{meta}{depends}) {
		1352	goto skip
		1353	unless exists $done{$_};
		1354	}
		1355
		1356	warn "... loading '$k' into '$v->{pkg}'\n";
		1357
		1358	unless (eval $v->{source}) {
		1359	my $msg = $@ ? "$v->{path}: $@\n"
		1360	: "$v->{base}: extension inactive.\n";
		1361
		1362	if (exists $v->{meta}{mandatory}) {
		1363	warn $msg;
		1364	cf::cleanup "mandatory extension failed to load, exiting.";
		1365	}
		1366
		1367	warn $msg;
		1368	}
		1369
		1370	$done{$k} = delete $todo{$k};
		1371	push @EXTS, $v->{pkg};
		1372	$progress = 1;
903	1	1373	}
904	} or warn "$ext not loaded: $@";	1374
		1375	skip:
		1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1377	unless $progress;
		1378	}
905	}	1379	};
906	}	1380	}
907		1381
908	#############################################################################	1382	#############################################################################
909		1383
		1384	=back
		1385
910	=head2 CORE EXTENSIONS	1386	=head2 CORE EXTENSIONS
911		1387
912	Functions and methods that extend core crossfire objects.	1388	Functions and methods that extend core crossfire objects.
913		1389
914	=cut	1390	=cut
…		…
919		1395
920	=head3 cf::player	1396	=head3 cf::player
921		1397
922	=over 4	1398	=over 4
923		1399
		1400	=item cf::player::num_playing
		1401
		1402	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1403
		1404	=cut
		1405
		1406	sub num_playing {
		1407	scalar grep
		1408	$_->ob->map
		1409	&& !$_->hidden
		1410	&& !$_->ob->flag (cf::FLAG_WIZ),
		1411	cf::player::list
		1412	}
		1413
924	=item cf::player::find $login	1414	=item cf::player::find $login
925		1415
926	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
927		1417
928	=cut	1418	=cut
929		1419
930	sub playerdir($) {	1420	sub playerdir($) {
931	cf::localdir	1421	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1422	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1423	}
937		1424
938	sub path($) {	1425	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1426	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1427
941	(playerdir $login) . "/$login.pl"	1428	(playerdir $login) . "/playerdata"
942	}	1429	}
943		1430
944	sub find_active($) {	1431	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1432	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1433	and $cf::PLAYER{$_[0]}->active
…		…
949		1436
950	sub exists($) {	1437	sub exists($) {
951	my ($login) = @_;	1438	my ($login) = @_;
952		1439
953	$cf::PLAYER{$login}	1440	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1441	or cf::sync_job { !aio_stat path $login }
955	}	1442	}
956		1443
957	sub find($) {	1444	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1445	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1446	my $login = $_[0];
960		1447
961	my $guard = cf::lock_acquire "user_find:$login";	1448	my $guard = cf::lock_acquire "user_find:$login";
962		1449
963	$cf::PLAYER{$_[0]} || do {	1450	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1451	# rename old playerfiles to new ones
		1452	#TODO: remove when no longer required
		1453	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1454	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1455	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1456	aio_unlink +(playerdir $login) . "/$login.pl";
		1457
		1458	my $f = new_from_file cf::object::thawer path $login
965	or return;	1459	or return;
		1460
		1461	my $pl = cf::player::load_pl $f
		1462	or return;
		1463
		1464	local $cf::PLAYER_LOADING{$login} = $pl;
		1465	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
967	}	1467	}
968	}	1468	}
969	}	1469	}
970		1470
…		…
979	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
980		1480
981	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
983		1483
		1484	cf::get_slot 0.01;
		1485
984	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
985	Coro::cede;	1487	cf::cede_to_tick;
986	}	1488	}
987		1489
988	sub new($) {	1490	sub new($) {
989	my ($login) = @_;	1491	my ($login) = @_;
990		1492
…		…
996	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
997		1499
998	$self	1500	$self
999	}	1501	}
1000		1502
		1503	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1504
		1505	=cut
		1506
		1507	sub send_msg {
		1508	my $ns = shift->ns
		1509	or return;
		1510	$ns->send_msg (@_);
		1511	}
		1512
1001	=item $pl->quit_character	1513	=item $pl->quit_character
1002		1514
1003	Nukes the player without looking back. If logged in, the connection will	1515	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1005		1517
1006	=cut	1518	=cut
1007		1519
1008	sub quit_character {	1520	sub quit_character {
1009	my ($pl) = @_;	1521	my ($pl) = @_;
1010		1522
		1523	my $name = $pl->ob->name;
		1524
1011	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1526	$pl->password ("*"); # this should lock out the player until we nuked the dir
1013		1527
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1016	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1017	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1018		1534
1019	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1537	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1538	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1539	$pl->destroy;
		1540
		1541	my $prefix = qr<^~\Q$name\E/>;
		1542
		1543	# nuke player maps
		1544	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1545
1024	IO::AIO::aio_rmtree $temp;	1546	IO::AIO::aio_rmtree $temp;
		1547	}
		1548
		1549	=item $pl->kick
		1550
		1551	Kicks a player out of the game. This destroys the connection.
		1552
		1553	=cut
		1554
		1555	sub kick {
		1556	my ($pl, $kicker) = @_;
		1557
		1558	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1559	$pl->killer ("kicked");
		1560	$pl->ns->destroy;
1025	}	1561	}
1026		1562
1027	=item cf::player::list_logins	1563	=item cf::player::list_logins
1028		1564
1029	Returns am arrayref of all valid playernames in the system, can take a	1565	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1566	while and may block, so not sync_job-capable, ever.
1031		1567
1032	=cut	1568	=cut
1033		1569
1034	sub list_logins {	1570	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1571	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1572	or return [];
1037		1573
1038	my @logins;	1574	my @logins;
1039		1575
1040	for my $login (@$dirs) {	1576	for my $login (@$dirs) {
		1577	my $path = path $login;
		1578
		1579	# a .pst is a dead give-away for a valid player
		1580	# if no pst file found, open and chekc for blocked users
		1581	if (aio_stat "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1044		1586
1045	utf8::decode $login;	1587	utf8::decode $login;
1046	push @logins, $login;	1588	push @logins, $login;
1047	}	1589	}
1048		1590
…		…
1056		1598
1057	=cut	1599	=cut
1058		1600
1059	sub maps($) {	1601	sub maps($) {
1060	my ($pl) = @_;	1602	my ($pl) = @_;
		1603
		1604	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1605
1062	my $files = aio_readdir playerdir $pl	1606	my $files = aio_readdir playerdir $pl
1063	or return;	1607	or return;
1064		1608
1065	my @paths;	1609	my @paths;
…		…
1067	for (@$files) {	1611	for (@$files) {
1068	utf8::decode $_;	1612	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1613	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1614	next unless /^$PATH_SEP/o;
1071		1615
1072	s/\.map$//;	1616	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1617	}
1075		1618
1076	\@paths	1619	\@paths
1077	}	1620	}
1078		1621
		1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1623
		1624	Expand crossfire pod fragments into protocol xml.
		1625
		1626	=cut
		1627
		1628	use re 'eval';
		1629
		1630	my $group;
		1631	my $interior; $interior = qr{
		1632	# match a pod interior sequence sans C<< >>
		1633	(?:
		1634	\ (.*?)\ (?{ $group = $^N })
		1635	| < (??{$interior}) >
		1636	)
		1637	}x;
		1638
		1639	sub expand_cfpod {
		1640	my ($self, $pod) = @_;
		1641
		1642	my $xml;
		1643
		1644	while () {
		1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1646	$group = $1;
		1647
		1648	$group =~ s/&/&amp;/g;
		1649	$group =~ s/</&lt;/g;
		1650
		1651	$xml .= $group;
		1652	} elsif ($pod =~ m%\G
		1653	([BCGHITU])
		1654	<
		1655	(?:
		1656	([^<>]*) (?{ $group = $^N })
		1657	| < $interior >
		1658	)
		1659	>
		1660	%gcsx
		1661	) {
		1662	my ($code, $data) = ($1, $group);
		1663
		1664	if ($code eq "B") {
		1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1666	} elsif ($code eq "I") {
		1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1668	} elsif ($code eq "U") {
		1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1670	} elsif ($code eq "C") {
		1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1672	} elsif ($code eq "T") {
		1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1674	} elsif ($code eq "G") {
		1675	my ($male, $female) = split /\|/, $data;
		1676	$data = $self->gender ? $female : $male;
		1677	$xml .= expand_cfpod ($self, $data);
		1678	} elsif ($code eq "H") {
		1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1681	"")
		1682	[$self->{hintmode}];
		1683	} else {
		1684	$xml .= "error processing '$code($data)' directive";
		1685	}
		1686	} else {
		1687	if ($pod =~ /\G(.+)/) {
		1688	warn "parse error while expanding $pod (at $1)";
		1689	}
		1690	last;
		1691	}
		1692	}
		1693
		1694	for ($xml) {
		1695	# create single paragraphs (very hackish)
		1696	s/(?<=\S)\n(?=\w)/ /g;
		1697
		1698	# compress some whitespace
		1699	s/\s+\n/\n/g; # ws line-ends
		1700	s/\n\n+/\n/g; # double lines
		1701	s/^\n+//; # beginning lines
		1702	s/\n+$//; # ending lines
		1703	}
		1704
		1705	$xml
		1706	}
		1707
		1708	no re 'eval';
		1709
		1710	sub hintmode {
		1711	$_[0]{hintmode} = $_[1] if @_ > 1;
		1712	$_[0]{hintmode}
		1713	}
		1714
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1080		1716
1081	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1082		1718
1083	=cut	1719	=cut
1084		1720
1085	sub ext_reply($$$%) {	1721	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1087		1723
1088	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1725	}
1092		1726
1093	package cf;	1727	=item $player->ext_msg ($type, @msg)
		1728
		1729	Sends an ext event to the client.
		1730
		1731	=cut
		1732
		1733	sub ext_msg($$@) {
		1734	my ($self, $type, @msg) = @_;
		1735
		1736	$self->ns->ext_msg ($type, @msg);
		1737	}
		1738
		1739	=head3 cf::region
		1740
		1741	=over 4
		1742
		1743	=cut
		1744
		1745	package cf::region;
		1746
		1747	=item cf::region::find_by_path $path
		1748
		1749	Tries to decuce the likely region for a map knowing only its path.
		1750
		1751	=cut
		1752
		1753	sub find_by_path($) {
		1754	my ($path) = @_;
		1755
		1756	my ($match, $specificity);
		1757
		1758	for my $region (list) {
		1759	if ($region->{match} && $path =~ $region->{match}) {
		1760	($match, $specificity) = ($region, $region->specificity)
		1761	if $region->specificity > $specificity;
		1762	}
		1763	}
		1764
		1765	$match
		1766	}
1094		1767
1095	=back	1768	=back
1096
1097		1769
1098	=head3 cf::map	1770	=head3 cf::map
1099		1771
1100	=over 4	1772	=over 4
1101		1773
…		…
1105		1777
1106	use Fcntl;	1778	use Fcntl;
1107	use Coro::AIO;	1779	use Coro::AIO;
1108		1780
1109	use overload	1781	use overload
1110	'""' => \&as_string;	1782	'""' => \&as_string,
		1783	fallback => 1;
1111		1784
1112	our $MAX_RESET = 3600;	1785	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1786	our $DEFAULT_RESET = 3000;
1114		1787
1115	sub generate_random_map {	1788	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1789	my ($self, $rmp) = @_;
		1790
		1791	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1117		1792
1118	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1794	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1804	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1805	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1806	)
1132	}	1807	}
1133		1808
		1809	=item cf::map->register ($regex, $prio)
		1810
		1811	Register a handler for the map path matching the given regex at the
		1812	givne priority (higher is better, built-in handlers have priority 0, the
		1813	default).
		1814
		1815	=cut
		1816
1134	sub register {	1817	sub register {
1135	my (undef, $regex) = @_;	1818	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1819	my $pkg = caller;
1137		1820
1138	no strict;	1821	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1822	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1823
1141	$EXT_MAP{$pkg} = qr<$regex>;	1824	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1825	}
1143		1826
1144	# also paths starting with '/'	1827	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1828	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1829
		1830	sub thawer_merge {
		1831	my ($self, $merge) = @_;
		1832
		1833	# we have to keep some variables in memory intact
		1834	local $self->{path};
		1835	local $self->{load_path};
		1836
		1837	$self->SUPER::thawer_merge ($merge);
		1838	}
1146		1839
1147	sub normalise {	1840	sub normalise {
1148	my ($path, $base) = @_;	1841	my ($path, $base) = @_;
		1842
		1843	$path = "$path"; # make sure its a string
		1844
		1845	$path =~ s/\.map$//;
1149		1846
1150	# map plan:	1847	# map plan:
1151	#	1848	#
1152	# /! non-realised random map exit (special hack!)	1849	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1850	# {... are special paths that are not being touched
…		…
1181		1878
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1879	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1880
1184	$path = normalise $path, $base;	1881	$path = normalise $path, $base;
1185		1882
1186	for my $pkg (keys %EXT_MAP) {	1883	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1884	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1885	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1886	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1887	$self->init; # pass $1 etc.
1191	return $self;	1888	return $self;
1192	}	1889	}
1193	}	1890	}
1194		1891
1195	Carp::carp "unable to resolve path '$path'.";	1892	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1893	()
1197	}	1894	}
1198		1895
1199	sub init {	1896	sub init {
1200	my ($self) = @_;	1897	my ($self) = @_;
…		…
1215		1912
1216	# the original (read-only) location	1913	# the original (read-only) location
1217	sub load_path {	1914	sub load_path {
1218	my ($self) = @_;	1915	my ($self) = @_;
1219		1916
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1917	"$MAPDIR/$self->{path}.map"
1221	}	1918	}
1222		1919
1223	# the temporary/swap location	1920	# the temporary/swap location
1224	sub save_path {	1921	sub save_path {
1225	my ($self) = @_;	1922	my ($self) = @_;
1226		1923
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1925	"$TMPDIR/$path.map"
1229	}	1926	}
1230		1927
1231	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1232	sub uniq_path {	1929	sub uniq_path {
1233	my ($self) = @_;	1930	my ($self) = @_;
1234		1931
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1933	"$UNIQUEDIR/$path"
1237	}	1934	}
1238		1935
1239	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1240	# all maps in C++...	1937	# all maps in C++...
1241	sub change_all_map_light {	1938	sub change_all_map_light {
…		…
1243		1940
1244	$_->change_map_light ($change)	1941	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1942	for grep $_->outdoor, values %cf::MAP;
1246	}	1943	}
1247		1944
		1945	sub decay_objects {
		1946	my ($self) = @_;
		1947
		1948	return if $self->{deny_reset};
		1949
		1950	$self->do_decay_objects;
		1951	}
		1952
1248	sub unlink_save {	1953	sub unlink_save {
1249	my ($self) = @_;	1954	my ($self) = @_;
1250		1955
1251	utf8::encode (my $save = $self->save_path);	1956	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1959	}
1255		1960
1256	sub load_header_from($) {	1961	sub load_header_from($) {
1257	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1258		1963
1259	utf8::encode $path;	1964	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1261	or return;	1966	or return;
1262		1967
1263	$self->_load_header ($path)	1968	$self->_load_header ($f)
1264	or return;	1969	or return;
1265		1970
		1971	local $MAP_LOADING{$self->{path}} = $self;
		1972	$f->resolve_delayed_derefs;
		1973
1266	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1267		1975
1268	1	1976	1
1269	}	1977	}
1270		1978
1271	sub load_orig {	1979	sub load_header_orig {
1272	my ($self) = @_;	1980	my ($self) = @_;
1273		1981
1274	$self->load_header_from ($self->load_path)	1982	$self->load_header_from ($self->load_path)
1275	}	1983	}
1276		1984
1277	sub load_temp {	1985	sub load_header_temp {
1278	my ($self) = @_;	1986	my ($self) = @_;
1279		1987
1280	$self->load_header_from ($self->save_path)	1988	$self->load_header_from ($self->save_path)
		1989	}
		1990
		1991	sub prepare_temp {
		1992	my ($self) = @_;
		1993
		1994	$self->last_access ((delete $self->{last_access})
		1995	|| $cf::RUNTIME); #d#
		1996	# safety
		1997	$self->{instantiate_time} = $cf::RUNTIME
		1998	if $self->{instantiate_time} > $cf::RUNTIME;
		1999	}
		2000
		2001	sub prepare_orig {
		2002	my ($self) = @_;
		2003
		2004	$self->{load_original} = 1;
		2005	$self->{instantiate_time} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007	$self->instantiate;
1281	}	2008	}
1282		2009
1283	sub load_header {	2010	sub load_header {
1284	my ($self) = @_;	2011	my ($self) = @_;
1285		2012
1286	if ($self->load_temp) {	2013	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	2014	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	2015	} else {
1293	$self->load_orig	2016	$self->load_header_orig
1294	or return;	2017	or return;
1295		2018	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	2019	}
		2020
		2021	$self->{deny_reset} = 1
		2022	if $self->no_reset;
		2023
		2024	$self->default_region (cf::region::find_by_path $self->{path})
		2025	unless $self->default_region;
1301		2026
1302	1	2027	1
1303	}	2028	}
1304		2029
1305	sub find;	2030	sub find;
1306	sub find {	2031	sub find {
1307	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1308		2033
1309	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1310		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1312		2038
1313	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1314	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1315	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1316	or return;	2044	or return;
1317		2045
1318	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1319		2047
1320	$map->load_header	2048	$map->load_header
1321	or return;	2049	or return;
1322		2050
1323	if ($map->should_reset) {	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2052	# doing this can freeze the server in a sync job, obviously
		2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1324	$map->reset;	2056	$map->reset;
1325	undef $guard;
1326	$map = find $path	2057	return find $path;
1327	or return;
1328	}	2058	}
1329		2059
1330	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1331	}	2061	}
1332	}	2062	}
		2063
		2064	sub pre_load { }
		2065	sub post_load { }
1333		2066
1334	sub load {	2067	sub load {
1335	my ($self) = @_;	2068	my ($self) = @_;
1336		2069
		2070	local $self->{deny_reset} = 1; # loading can take a long time
		2071
1337	my $path = $self->{path};	2072	my $path = $self->{path};
		2073
		2074	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1339		2076
		2077	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2079
1342	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1343		2081
1344	$self->alloc;	2082	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2083
		2084	$self->pre_load;
		2085	cf::cede_to_tick;
		2086
		2087	my $f = new_from_file cf::object::thawer $self->{load_path};
		2088	$f->skip_block;
		2089	$self->_load_objects ($f)
1346	or return;	2090	or return;
1347		2091
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1349	if delete $self->{load_original};	2093	if delete $self->{load_original};
1350		2094
1351	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2096	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2099	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1356	}	2103	}
1357	}	2104	}
1358		2105
1359	Coro::cede;	2106	$f->resolve_delayed_derefs;
1360		2107
		2108	cf::cede_to_tick;
1361	# now do the right thing for maps	2109	# now do the right thing for maps
1362	$self->link_multipart_objects;	2110	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2111	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2112	unless $self->difficulty;
1372	Coro::cede;	2113	cf::cede_to_tick;
		2114
		2115	unless ($self->{deny_activate}) {
		2116	$self->decay_objects;
		2117	$self->fix_auto_apply;
		2118	$self->update_buttons;
		2119	cf::cede_to_tick;
		2120	$self->set_darkness_map;
		2121	cf::cede_to_tick;
1373	$self->activate;	2122	$self->activate;
1374	}	2123	}
1375		2124
		2125	$self->{last_save} = $cf::RUNTIME;
		2126	$self->last_access ($cf::RUNTIME);
		2127
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2128	$self->in_memory (cf::MAP_ACTIVE);
		2129	}
		2130
		2131	$self->post_load;
1377	}	2132	}
1378		2133
1379	sub customise_for {	2134	sub customise_for {
1380	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1381		2136
1382	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2138	if $self->per_player;
1384		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1385	$self	2143	$self
1386	}	2144	}
1387		2145
1388	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2147	sub load_neighbours {
1390	my ($map) = @_;	2148	my ($map) = @_;
1391		2149
1392	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1393		2151
1394	for (0 .. 3) {	2152	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1396	or next;	2154	or next;
1397	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1398	or next;	2156	or next;
1399	$neigh->load;	2157	$neigh->load;
1400		2158
		2159	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2162	}
1404		2163
1405	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1407	or next;	2167	or next;
1408	$neigh->load;	2168	$neigh->load;
1409	}	2169	}
1410	}	2170	}
1411		2171
…		…
1416	}	2176	}
1417		2177
1418	sub do_load_sync {	2178	sub do_load_sync {
1419	my ($map) = @_;	2179	my ($map) = @_;
1420		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1421	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1422	}	2185	}
1423		2186
1424	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2188	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2189
1438	sub find_async {	2190	sub find_async {
1439	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1440		2192
1441	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1442		2194
1443	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2197	}
		2198
		2199	$MAP_PREFETCH{$path} |= $load;
		2200
		2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
		2204	while (%MAP_PREFETCH) {
		2205	while (my ($k, $v) = each %MAP_PREFETCH) {
		2206	if (my $map = find $k) {
		2207	$map->load if $v;
		2208	}
		2209
		2210	delete $MAP_PREFETCH{$k};
		2211	}
		2212	}
		2213	undef $MAP_PREFETCHER;
1445	}	2214	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2215	$MAP_PREFETCHER->prio (6);
1449		2216
1450	()	2217	()
1451	}	2218	}
1452		2219
1453	sub save {	2220	sub save {
1454	my ($self) = @_;	2221	my ($self) = @_;
1455		2222
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2224
1458	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1459		2226
1460	return unless $self->dirty;	2227	return unless $self->dirty;
1461		2228
…		…
1467	return if $self->{deny_save};	2234	return if $self->{deny_save};
1468		2235
1469	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1470		2237
1471	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1473	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1474		2244
1475	if ($uniq) {	2245	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1478	} else {	2248	} else {
…		…
1484	my ($self) = @_;	2254	my ($self) = @_;
1485		2255
1486	# save first because save cedes	2256	# save first because save cedes
1487	$self->save;	2257	$self->save;
1488		2258
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2260
1491	return if $self->players;	2261	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1493	return if $self->{deny_save};	2263	return if $self->{deny_save};
1494		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2269	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2270	}
1498		2271
1499	sub reset_at {	2272	sub reset_at {
1500	my ($self) = @_;	2273	my ($self) = @_;
1501		2274
1502	# TODO: safety, remove and allow resettable per-player maps	2275	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2276	return 1e99 if $self->{deny_reset};
1505		2277
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2280
…		…
1513	my ($self) = @_;	2285	my ($self) = @_;
1514		2286
1515	$self->reset_at <= $cf::RUNTIME	2287	$self->reset_at <= $cf::RUNTIME
1516	}	2288	}
1517		2289
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2290	sub reset {
1533	my ($self) = @_;	2291	my ($self) = @_;
1534		2292
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2294
1537	return if $self->players;	2295	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2296
1540	warn "resetting map ", $self->path;#d#	2297	warn "resetting map ", $self->path;
		2298
		2299	$self->in_memory (cf::MAP_SWAPPED);
		2300
		2301	# need to save uniques path
		2302	unless ($self->{deny_save}) {
		2303	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2304
		2305	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2306	if $uniq;
		2307	}
1541		2308
1542	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
1543		2310
1544	$self->in_memory (cf::MAP_SWAPPED);	2311	$self->deactivate;
		2312	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2313	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2314
1549	$self->unlink_save;	2315	$self->unlink_save;
1550	$self->destroy;	2316	$self->destroy;
1551	}	2317	}
1552		2318
1553	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
1554		2320
1555	sub nuke {	2321	sub nuke {
1556	my ($self) = @_;	2322	my ($self) = @_;
1557		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
		2327	delete $cf::MAP{$self->path};
		2328
		2329	$self->unlink_save;
		2330
		2331	bless $self, "cf::map";
		2332	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2336
		2337	$cf::MAP{$self->path} = $self;
		2338	}
		2339
1561	$self->reset; # polite request, might not happen	2340	$self->reset; # polite request, might not happen
		2341	}
		2342
		2343	=item $maps = cf::map::tmp_maps
		2344
		2345	Returns an arrayref with all map paths of currently instantiated and saved
		2346	maps. May block.
		2347
		2348	=cut
		2349
		2350	sub tmp_maps() {
		2351	[
		2352	map {
		2353	utf8::decode $_;
		2354	/\.map$/
		2355	? normalise $_
		2356	: ()
		2357	} @{ aio_readdir $TMPDIR or [] }
		2358	]
		2359	}
		2360
		2361	=item $maps = cf::map::random_maps
		2362
		2363	Returns an arrayref with all map paths of currently instantiated and saved
		2364	random maps. May block.
		2365
		2366	=cut
		2367
		2368	sub random_maps() {
		2369	[
		2370	map {
		2371	utf8::decode $_;
		2372	/\.map$/
		2373	? normalise "?random/$_"
		2374	: ()
		2375	} @{ aio_readdir $RANDOMDIR or [] }
		2376	]
1562	}	2377	}
1563		2378
1564	=item cf::map::unique_maps	2379	=item cf::map::unique_maps
1565		2380
1566	Returns an arrayref of paths of all shared maps that have	2381	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2382	instantiated unique items. May block.
1568		2383
1569	=cut	2384	=cut
1570		2385
1571	sub unique_maps() {	2386	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2387	[
1573	or return;	2388	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2389	utf8::decode $_;
1579	next if /\.pst$/;	2390	s/\.map$//; # TODO future compatibility hack
1580	next unless /^$PATH_SEP/o;	2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1581		2392	? ()
1582	s/\.map$//;	2393	: normalise $_
1583	push @paths, $_;	2394	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2395	]
1585
1586	\@paths
1587	}	2396	}
1588
1589	package cf;
1590		2397
1591	=back	2398	=back
1592		2399
1593	=head3 cf::object	2400	=head3 cf::object
1594		2401
…		…
1598		2405
1599	=over 4	2406	=over 4
1600		2407
1601	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
1602		2409
1603	Returns the inventory of the object _and_ their inventories, recursively.	2410	Returns the inventory of the object I<and> their inventories, recursively,
		2411	but I<not> the object itself.
1604		2412
1605	=cut	2413	=cut
1606		2414
1607	sub inv_recursive_;	2415	sub inv_recursive_;
1608	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
1611		2419
1612	sub inv_recursive {	2420	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
1614	}	2422	}
1615		2423
		2424	=item $ref = $ob->ref
		2425
		2426	Creates and returns a persistent reference to an object that can be stored as a string.
		2427
		2428	=item $ob = cf::object::deref ($refstring)
		2429
		2430	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2431	even if the object actually exists. May block.
		2432
		2433	=cut
		2434
		2435	sub deref {
		2436	my ($ref) = @_;
		2437
		2438	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2439	my ($uuid, $name) = ($1, $2);
		2440	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2441	or return;
		2442	$pl->ob->uuid eq $uuid
		2443	or return;
		2444
		2445	$pl->ob
		2446	} else {
		2447	warn "$ref: cannot resolve object reference\n";
		2448	undef
		2449	}
		2450	}
		2451
1616	package cf;	2452	package cf;
1617		2453
1618	=back	2454	=back
1619		2455
1620	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
1626	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2462	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1627	can be C<undef>. Does the right thing when the player is currently in a	2463	can be C<undef>. Does the right thing when the player is currently in a
1628	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
1629		2465
1630	=cut	2466	=cut
		2467
		2468	our $SAY_CHANNEL = {
		2469	id => "say",
		2470	title => "Map",
		2471	reply => "say ",
		2472	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2473	};
		2474
		2475	our $CHAT_CHANNEL = {
		2476	id => "chat",
		2477	title => "Chat",
		2478	reply => "chat ",
		2479	tooltip => "Player chat and shouts, global to the server.",
		2480	};
1631		2481
1632	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
1633	# with dialog boxes.	2483	# with dialog boxes.
1634	#TODO: the first argument must go, split into a $npc->reply_to ( method	2484	#TODO: the first argument must go, split into a $npc->reply_to ( method
1635	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
1637		2487
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2488	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2489
1640	if ($self->{record_replies}) {	2490	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2491	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2492
1642	} else {	2493	} else {
		2494	my $pl = $self->contr;
		2495
		2496	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2497	my $dialog = $pl->{npc_dialog};
		2498	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2499
		2500	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2503	}
1645	}	2504	}
		2505	}
		2506
		2507	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2508
		2509	=cut
		2510
		2511	sub cf::object::send_msg {
		2512	my $pl = shift->contr
		2513	or return;
		2514	$pl->send_msg (@_);
1646	}	2515	}
1647		2516
1648	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
1649		2518
1650	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
1682	=cut	2551	=cut
1683		2552
1684	sub link_map {	2553	sub link_map {
1685	unless ($LINK_MAP) {	2554	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2555	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2556	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2557	$LINK_MAP->load;
1689	}	2558	}
1690		2559
1691	$LINK_MAP	2560	$LINK_MAP
1692	}	2561	}
…		…
1697	$self->deactivate_recursive;	2566	$self->deactivate_recursive;
1698		2567
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2568	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2569
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2571	if $self->map && $self->map->{path} ne "{link}";
1703		2572
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2574	}
1706		2575
1707	sub cf::object::player::leave_link {	2576	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2577	my ($self, $map, $x, $y) = @_;
		2578
		2579	return unless $self->contr->active;
1709		2580
1710	my $link_pos = delete $self->{_link_pos};	2581	my $link_pos = delete $self->{_link_pos};
1711		2582
1712	unless ($map) {	2583	unless ($map) {
1713	# restore original map position	2584	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
1730		2601
1731	$map->load;	2602	$map->load;
1732	$map->load_diag;	2603	$map->load_neighbours;
1733		2604
1734	return unless $self->contr->active;	2605	return unless $self->contr->active;
1735	$self->activate_recursive;	2606	$self->activate_recursive;
		2607
		2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1737	}	2610	}
1738		2611
1739	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2613
1743	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1747	};	2618	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2619
1753	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1754	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770		2622
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1774		2626
1775	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2632
1778	$self->enter_link;	2633	$self->enter_link;
1779		2634
1780	(async {	2635	(async {
1781	my $map = cf::map::find $path;	2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
		2657	my $map = eval {
		2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
1783		2662	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2663	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
1788		2666
		2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
		2673	}
		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1790	})->prio (1);	2681	})->prio (1);
1791	}	2682	}
1792		2683
1793	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1794		2685
…		…
1796		2687
1797	sub parse_random_map_params {	2688	sub parse_random_map_params {
1798	my ($spec) = @_;	2689	my ($spec) = @_;
1799		2690
1800	my $rmp = { # defaults	2691	my $rmp = { # defaults
1801	xsize => 10,	2692	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2693	ysize => (cf::rndm 15, 40),
		2694	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2695	#layout => string,
1803	};	2696	};
1804		2697
1805	for (split /\n/, $spec) {	2698	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2699	my ($k, $v) = split /\s+/, $_, 2;
1807		2700
…		…
1819	# that depends on the exit object	2712	# that depends on the exit object
1820		2713
1821	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
1822		2715
1823	if ($exit->map) {	2716	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2717	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1828	}	2723	}
1829		2724
1830	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1831		2726
1832	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
		2729	my $meta = "$RANDOMDIR/$md5.meta";
1834		2730
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
		2733	undef $fh;
		2734	aio_rename "$meta~", $meta;
1837		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1838	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1840	}	2742	}
1841	}	2743	}
1842		2744
1843	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
…		…
1846	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1847		2749
1848	$self->enter_link;	2750	$self->enter_link;
1849		2751
1850	(async {	2752	(async {
1851	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1852	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
1853	prepare_random_map $exit	2762	prepare_random_map $exit
1854	if $exit->slaying eq "/!";	2763	if $exit->slaying eq "/!";
		2764	}
1855		2765
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
1858		2769
		2770	$self->goto ($map, $x, $y);
		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
1859	1;	2776	1
1860	}) {	2777	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2782
1866	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2784	$self->leave_link;
1868	}	2785	}
1869	})->prio (1);	2786	})->prio (1);
…		…
1882		2799
1883	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1885		2802
1886	utf8::encode $text;	2803	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2805	}
1889		2806
		2807	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2808
		2809	Send a drawinfo or msg packet to the client, formatting the msg for the
		2810	client if neccessary. C<$type> should be a string identifying the type of
		2811	the message, with C<log> being the default. If C<$color> is negative, suppress
		2812	the message unless the client supports the msg packet.
		2813
		2814	=cut
		2815
		2816	# non-persistent channels (usually the info channel)
		2817	our %CHANNEL = (
		2818	"c/identify" => {
		2819	id => "infobox",
		2820	title => "Identify",
		2821	reply => undef,
		2822	tooltip => "Items recently identified",
		2823	},
		2824	"c/examine" => {
		2825	id => "infobox",
		2826	title => "Examine",
		2827	reply => undef,
		2828	tooltip => "Signs and other items you examined",
		2829	},
		2830	"c/book" => {
		2831	id => "infobox",
		2832	title => "Book",
		2833	reply => undef,
		2834	tooltip => "The contents of a note or book",
		2835	},
		2836	"c/lookat" => {
		2837	id => "infobox",
		2838	title => "Look",
		2839	reply => undef,
		2840	tooltip => "What you saw there",
		2841	},
		2842	"c/who" => {
		2843	id => "infobox",
		2844	title => "Players",
		2845	reply => undef,
		2846	tooltip => "Shows players who are currently online",
		2847	},
		2848	"c/body" => {
		2849	id => "infobox",
		2850	title => "Body Parts",
		2851	reply => undef,
		2852	tooltip => "Shows which body parts you posess and are available",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	);
		2873
		2874	sub cf::client::send_msg {
		2875	my ($self, $channel, $msg, $color, @extra) = @_;
		2876
		2877	$msg = $self->pl->expand_cfpod ($msg);
		2878
		2879	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2880
		2881	# check predefined channels, for the benefit of C
		2882	if ($CHANNEL{$channel}) {
		2883	$channel = $CHANNEL{$channel};
		2884
		2885	$self->ext_msg (channel_info => $channel)
		2886	if $self->can_msg;
		2887
		2888	$channel = $channel->{id};
		2889
		2890	} elsif (ref $channel) {
		2891	# send meta info to client, if not yet sent
		2892	unless (exists $self->{channel}{$channel->{id}}) {
		2893	$self->{channel}{$channel->{id}} = $channel;
		2894	$self->ext_msg (channel_info => $channel)
		2895	if $self->can_msg;
		2896	}
		2897
		2898	$channel = $channel->{id};
		2899	}
		2900
		2901	return unless @extra || length $msg;
		2902
		2903	if ($self->can_msg) {
		2904	# default colour, mask it out
		2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2906	if $color & cf::NDI_DEF;
		2907
		2908	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2910	} else {
		2911	if ($color >= 0) {
		2912	# replace some tags by gcfclient-compatible ones
		2913	for ($msg) {
		2914	1 while
		2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2920	}
		2921
		2922	$color &= cf::NDI_COLOR_MASK;
		2923
		2924	utf8::encode $msg;
		2925
		2926	if (0 && $msg =~ /\[/) {
		2927	# COMMAND/INFO
		2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2929	} else {
		2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2931	$self->send_packet ("drawinfo $color $msg")
		2932	}
		2933	}
		2934	}
		2935	}
		2936
		2937	=item $client->ext_msg ($type, @msg)
		2938
		2939	Sends an ext event to the client.
		2940
		2941	=cut
		2942
		2943	sub cf::client::ext_msg($$@) {
		2944	my ($self, $type, @msg) = @_;
		2945
		2946	if ($self->extcmd == 2) {
		2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2948	} elsif ($self->extcmd == 1) { # TODO: remove
		2949	push @msg, msgtype => "event_$type";
		2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2951	}
		2952	}
		2953
		2954	=item $client->ext_reply ($msgid, @msg)
		2955
		2956	Sends an ext reply to the client.
		2957
		2958	=cut
		2959
		2960	sub cf::client::ext_reply($$@) {
		2961	my ($self, $id, @msg) = @_;
		2962
		2963	if ($self->extcmd == 2) {
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2965	} elsif ($self->extcmd == 1) {
		2966	#TODO: version 1, remove
		2967	unshift @msg, msgtype => "reply", msgid => $id;
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
		2970	}
1890		2971
1891	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
1892		2973
1893	Queues a query to the client, calling the given callback with	2974	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2975	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2976	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		2977
1897	Queries can fail, so check the return code. Or don't, as queries will become	2978	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	2979	become reliable at some point in the future.
1899		2980
1900	=cut	2981	=cut
1901		2982
1902	sub cf::client::query {	2983	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2984	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2992	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2993	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2994
1914	$self->send_packet ($self->{query_queue}[0][0])	2995	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2996	if @{ $self->{query_queue} } == 1;
		2997
		2998	1
1916	}	2999	}
1917		3000
1918	cf::client->attach (	3001	cf::client->attach (
		3002	on_connect => sub {
		3003	my ($ns) = @_;
		3004
		3005	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3006	},
1919	on_reply => sub {	3007	on_reply => sub {
1920	my ($ns, $msg) = @_;	3008	my ($ns, $msg) = @_;
1921		3009
1922	# this weird shuffling is so that direct followup queries	3010	# this weird shuffling is so that direct followup queries
1923	# get handled first	3011	# get handled first
1924	my $queue = delete $ns->{query_queue}	3012	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	3013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		3014
1927	(shift @$queue)->[1]->($msg);	3015	(shift @$queue)->[1]->($msg);
		3016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		3017
1929	push @{ $ns->{query_queue} }, @$queue;	3018	push @{ $ns->{query_queue} }, @$queue;
1930		3019
1931	if (@{ $ns->{query_queue} } == @$queue) {	3020	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	3021	if (@$queue) {
…		…
1934	} else {	3023	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	3025	}
1937	}	3026	}
1938	},	3027	},
		3028	on_exticmd => sub {
		3029	my ($ns, $buf) = @_;
		3030
		3031	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3032
		3033	if (ref $msg) {
		3034	my ($type, $reply, @payload) =
		3035	"ARRAY" eq ref $msg
		3036	? @$msg
		3037	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3038
		3039	my @reply;
		3040
		3041	if (my $cb = $EXTICMD{$type}) {
		3042	@reply = $cb->($ns, @payload);
		3043	}
		3044
		3045	$ns->ext_reply ($reply, @reply)
		3046	if $reply;
		3047
		3048	} else {
		3049	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3050	}
		3051
		3052	cf::override;
		3053	},
1939	);	3054	);
1940		3055
1941	=item $client->async (\&cb)	3056	=item $client->async (\&cb)
1942		3057
1943	Create a new coroutine, running the specified callback. The coroutine will	3058	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
1986		3101
1987	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
1988		3103
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3104	$safe->permit_only (Opcode::opset qw(
		3105	:base_core :base_mem :base_orig :base_math
		3106	grepstart grepwhile mapstart mapwhile
		3107	sort time
		3108	));
1990		3109
1991	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
1992		3111
1993	=pod	3112	=pod
1994		3113
1995	The following fucntions and emthods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
1996		3115
1997	cf::object contr pay_amount pay_player map	3116	cf::object
		3117	contr pay_amount pay_player map x y force_find force_add destroy
		3118	insert remove name archname title slaying race decrease split
		3119
1998	cf::object::player player	3120	cf::object::player
1999	cf::player peaceful	3121	player
2000	cf::map trigger	3122
		3123	cf::player
		3124	peaceful
		3125
		3126	cf::map
		3127	trigger
2001		3128
2002	=cut	3129	=cut
2003		3130
2004	for (	3131	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3133	insert remove inv nrof name archname title slaying race
		3134	decrease split destroy change_exp)],
2006	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2009	) {	3138	) {
2010	no strict 'refs';	3139	no strict 'refs';
…		…
2081	=back	3210	=back
2082		3211
2083	=cut	3212	=cut
2084		3213
2085	#############################################################################	3214	#############################################################################
		3215	# the server's init and main functions
2086		3216
2087	=head2 EXTENSION DATABASE SUPPORT	3217	sub load_facedata($) {
		3218	my ($path) = @_;
2088		3219
2089	Crossfire maintains a very simple database for extension use. It can	3220	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3221	# for this (global event?)
2091	excludes objects.	3222	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3223
2093	The parameter C<$family> should best start with the name of the extension	3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3225
2096	=over 4	3226	warn "loading facedata from $path\n";
2097		3227
2098	=item $hashref = cf::db_get $family	3228	my $facedata;
		3229	0 < aio_load $path, $facedata
		3230	or die "$path: $!";
2099		3231
2100	Return a hashref for use by the extension C<$family>, which can be	3232	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3233
2104	=item $value = cf::db_get $family => $key	3234	$facedata->{version} == 2
		3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3236
2106	Returns a single value from the database	3237	# patch in the exptable
2107		3238	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	3239	type => FT_RSRC,
2109		3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3241	};
		3242	cf::cede_to_tick;
2159		3243
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3244	{
		3245	my $faces = $facedata->{faceinfo};
2164		3246
2165	sub db_get($;$) {	3247	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		3249
2171	sub db_put($$;$) {	3250	cf::face::set_visibility $idx, $info->{visibility};
2172	if (@_ >= 3) {	3251	cf::face::set_magicmap $idx, $info->{magicmap};
2173	$DB->{$_[0]}{$_[1]} = $_[2];	3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2174	} else {	3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		3254
2180	cf::global->attach (	3255	cf::cede_to_tick;
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3256	}
2185	);
2186	}
2187		3257
2188	#############################################################################	3258	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3259	next unless $info->{smooth};
2190		3260
2191	sub cfg_load {	3261	my $idx = cf::face::find $face
		3262	or next;
		3263
		3264	if (my $smooth = cf::face::find $info->{smooth}) {
		3265	cf::face::set_smooth $idx, $smooth;
		3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3267	} else {
		3268	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3269	}
		3270
		3271	cf::cede_to_tick;
		3272	}
		3273	}
		3274
		3275	{
		3276	my $anims = $facedata->{animinfo};
		3277
		3278	while (my ($anim, $info) = each %$anims) {
		3279	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3280	cf::cede_to_tick;
		3281	}
		3282
		3283	cf::anim::invalidate_all; # d'oh
		3284	}
		3285
		3286	{
		3287	# TODO: for gcfclient pleasure, we should give resources
		3288	# that gcfclient doesn't grok a >10000 face index.
		3289	my $res = $facedata->{resource};
		3290
		3291	while (my ($name, $info) = each %$res) {
		3292	if (defined $info->{type}) {
		3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3294	my $data;
		3295
		3296	if ($info->{type} & 1) {
		3297	# prepend meta info
		3298
		3299	my $meta = $enc->encode ({
		3300	name => $name,
		3301	%{ $info->{meta} || {} },
		3302	});
		3303
		3304	$data = pack "(w/a*)*", $meta, $info->{data};
		3305	} else {
		3306	$data = $info->{data};
		3307	}
		3308
		3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3310	cf::face::set_type $idx, $info->{type};
		3311	} else {
		3312	$RESOURCE{$name} = $info;
		3313	}
		3314
		3315	cf::cede_to_tick;
		3316	}
		3317	}
		3318
		3319	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3320
		3321	1
		3322	}
		3323
		3324	cf::global->attach (on_resource_update => sub {
		3325	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3326	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3327
		3328	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3329	my $sound = $soundconf->{compat}[$_]
		3330	or next;
		3331
		3332	my $face = cf::face::find "sound/$sound->[1]";
		3333	cf::sound::set $sound->[0] => $face;
		3334	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3335	}
		3336
		3337	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3338	my $face = cf::face::find "sound/$v";
		3339	cf::sound::set $k => $face;
		3340	}
		3341	}
		3342	});
		3343
		3344	register_exticmd fx_want => sub {
		3345	my ($ns, $want) = @_;
		3346
		3347	while (my ($k, $v) = each %$want) {
		3348	$ns->fx_want ($k, $v);
		3349	}
		3350	};
		3351
		3352	sub load_resource_file($) {
		3353	my $guard = lock_acquire "load_resource_file";
		3354
		3355	my $status = load_resource_file_ $_[0];
		3356	get_slot 0.1, 100;
		3357	cf::arch::commit_load;
		3358
		3359	$status
		3360	}
		3361
		3362	sub reload_regions {
		3363	# HACK to clear player env face cache, we need some signal framework
		3364	# for this (global event?)
		3365	%ext::player_env::MUSIC_FACE_CACHE = ();
		3366
		3367	load_resource_file "$MAPDIR/regions"
		3368	or die "unable to load regions file\n";
		3369
		3370	for (cf::region::list) {
		3371	$_->{match} = qr/$_->{match}/
		3372	if exists $_->{match};
		3373	}
		3374	}
		3375
		3376	sub reload_facedata {
		3377	load_facedata "$DATADIR/facedata"
		3378	or die "unable to load facedata\n";
		3379	}
		3380
		3381	sub reload_archetypes {
		3382	load_resource_file "$DATADIR/archetypes"
		3383	or die "unable to load archetypes\n";
		3384	}
		3385
		3386	sub reload_treasures {
		3387	load_resource_file "$DATADIR/treasures"
		3388	or die "unable to load treasurelists\n";
		3389	}
		3390
		3391	sub reload_resources {
		3392	warn "reloading resource files...\n";
		3393
		3394	reload_facedata;
		3395	reload_archetypes;
		3396	reload_regions;
		3397	reload_treasures;
		3398
		3399	warn "finished reloading resource files\n";
		3400	}
		3401
		3402	sub init {
		3403	my $guard = freeze_mainloop;
		3404
		3405	evthread_start IO::AIO::poll_fileno;
		3406
		3407	reload_resources;
		3408	}
		3409
		3410	sub reload_config {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3412	or return;
2194		3413
2195	local $/;	3414	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2197		3416
2198	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2199		3418
2200	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3419	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2201	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3420	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2211		3430
2212	sub main {	3431	sub main {
2213	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3434	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3435	(async {
		3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
		3438	})->prio (Coro::PRIO_MAX);
2217	};	3439	};
2218		3440
2219	cfg_load;	3441	{
2220	db_load;	3442	my $guard = freeze_mainloop;
		3443	reload_config;
		3444	db_init;
2221	load_extensions;	3445	load_extensions;
		3446
		3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3448	}
		3449
2222	Event::loop;	3450	EV::loop;
2223	}	3451	}
2224		3452
2225	#############################################################################	3453	#############################################################################
2226	# initialisation and cleanup	3454	# initialisation and cleanup
2227		3455
2228	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2229	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3461	cf::cleanup "SIG$signal";
2236	},
2237	);	3462	};
		3463	}
		3464	}
		3465
		3466	sub write_runtime_sync {
		3467	my $runtime = "$LOCALDIR/runtime";
		3468
		3469	# first touch the runtime file to show we are still running:
		3470	# the fsync below can take a very very long time.
		3471
		3472	IO::AIO::aio_utime $runtime, undef, undef;
		3473
		3474	my $guard = cf::lock_acquire "write_runtime";
		3475
		3476	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = $cf::RUNTIME + 90 + 10;
		3480	# 10 is the runtime save interval, for a monotonic clock
		3481	# 60 allows for the watchdog to kill the server.
		3482
		3483	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3484	and return;
		3485
		3486	# always fsync - this file is important
		3487	aio_fsync $fh
		3488	and return;
		3489
		3490	# touch it again to show we are up-to-date
		3491	aio_utime $fh, undef, undef;
		3492
		3493	close $fh
		3494	or return;
		3495
		3496	aio_rename "$runtime~", $runtime
		3497	and return;
		3498
		3499	warn "runtime file written.\n";
		3500
2238	}	3501	1
		3502	}
		3503
		3504	our $uuid_lock;
		3505	our $uuid_skip;
		3506
		3507	sub write_uuid_sync($) {
		3508	$uuid_skip ||= $_[0];
		3509
		3510	return if $uuid_lock;
		3511	local $uuid_lock = 1;
		3512
		3513	my $uuid = "$LOCALDIR/uuid";
		3514
		3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3516	or return;
		3517
		3518	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
2239	}	3545	}
2240		3546
2241	sub emergency_save() {	3547	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2243		3549
…		…
2249	# and maps saved/destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2251	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3561	$pl->save;
2255	}	3562	}
2256	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2257		3564
2258	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2260	my $map = $cf::MAP{$path} or next;	3567	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3568	$map->valid or next;
2262	$map->save;	3569	$map->save;
2263	}	3570	}
2264	warn "end emergency map save\n";	3571	warn "end emergency map save\n";
		3572
		3573	warn "begin emergency database checkpoint\n";
		3574	BDB::db_env_txn_checkpoint $DB_ENV;
		3575	warn "end emergency database checkpoint\n";
		3576
		3577	warn "begin write uuid\n";
		3578	write_uuid_sync 1;
		3579	warn "end write uuid\n";
2265	};	3580	};
2266		3581
2267	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2268	}	3583	}
2269		3584
		3585	sub post_cleanup {
		3586	my ($make_core) = @_;
		3587
		3588	warn Carp::longmess "post_cleanup backtrace"
		3589	if $make_core;
		3590	}
		3591
2270	sub reload() {	3592	sub do_reload_perl() {
2271	# can/must only be called in main	3593	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3594	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3595	warn "can only reload from main coroutine";
2274	return;	3596	return;
2275	}	3597	}
2276		3598
2277	warn "reloading...";	3599	warn "reloading...";
2278		3600
2279	warn "freezing server";	3601	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3602
		3603	cf::sync_job {
		3604	cf::write_runtime_sync; # external watchdog should not bark
2281	cf::emergency_save;	3605	cf::emergency_save;
		3606	cf::write_runtime_sync; # external watchdog should not bark
2282		3607
2283	warn "sync database to disk";	3608	warn "syncing database to disk";
2284	cf::db_sync;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3610
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2289		3612
2290	warn "cancel all watchers";	3613	warn "flushing outstanding aio requests";
2291	for (Event::all_watchers) {	3614	for (;;) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3615	BDB::flush;
		3616	IO::AIO::flush;
		3617	Coro::cede_notself;
		3618	last unless IO::AIO::nreqs || BDB::nreqs;
		3619	warn "iterate...";
2293	}	3620	}
2294		3621
		3622	++$RELOAD;
		3623
2295	warn "cancel all extension coros";	3624	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3625	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3626	%EXT_CORO = ();
2298		3627
2299	warn "remove commands";	3628	warn "removing commands";
2300	%COMMAND = ();	3629	%COMMAND = ();
2301		3630
2302	warn "remove ext commands";	3631	warn "removing ext/exti commands";
2303	%EXTCMD = ();	3632	%EXTCMD = ();
		3633	%EXTICMD = ();
2304		3634
2305	warn "unload/nuke all extensions";	3635	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3636	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3637	warn "... unloading $pkg";
2308		3638
2309	if (my $cb = $pkg->can ("unload")) {	3639	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3640	eval {
…		…
2315		3645
2316	warn "... nuking $pkg";	3646	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	3647	Symbol::delete_package $pkg;
2318	}	3648	}
2319		3649
2320	warn "unload all perl modules loaded from $LIBDIR";	3650	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3651	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3652	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3653
2324	warn "removing <$k>";	3654	warn "... unloading $k";
2325	delete $INC{$k};	3655	delete $INC{$k};
2326		3656
2327	$k =~ s/\.pm$//;	3657	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3658	$k =~ s/\//::/g;
2329		3659
…		…
2332	}	3662	}
2333		3663
2334	Symbol::delete_package $k;	3664	Symbol::delete_package $k;
2335	}	3665	}
2336		3666
2337	warn "get rid of safe::, as good as possible";	3667	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3668	Symbol::delete_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3669	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3670
2341	warn "unload cf.pm \"a bit\"";	3671	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3672	delete $INC{"cf.pm"};
		3673	delete $INC{"cf/pod.pm"};
2343		3674
2344	# don't, removes xs symbols, too,	3675	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3676	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3677	#Symbol::delete_package __PACKAGE__;
2347		3678
		3679	warn "unload completed, starting to reload now";
		3680
2348	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
2349	require cf;	3682	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3684
2352	warn "load config and database again";	3685	warn "loading config and database again";
2353	cf::cfg_load;	3686	cf::reload_config;
2354	cf::db_load;
2355		3687
2356	warn "load extensions";	3688	warn "loading extensions";
2357	cf::load_extensions;	3689	cf::load_extensions;
2358		3690
2359	warn "reattach attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3692	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3693	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3694	reattach $_ for values %MAP;
		3695	warn "reattaching attachments to players";
		3696	reattach $_ for values %PLAYER;
		3697
		3698	warn "leaving sync_job";
		3699
		3700	1
		3701	} or do {
		3702	warn $@;
		3703	cf::cleanup "error while reloading, exiting.";
2363	};	3704	};
2364
2365	if ($@) {
2366	warn $@;
2367	warn "error while reloading, exiting.";
2368	exit 1;
2369	}
2370		3705
2371	warn "reloaded";	3706	warn "reloaded";
2372	};	3707	};
2373		3708
		3709	our $RELOAD_WATCHER; # used only during reload
		3710
		3711	sub reload_perl() {
		3712	# doing reload synchronously and two reloads happen back-to-back,
		3713	# coro crashes during coro_state_free->destroy here.
		3714
		3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3716	do_reload_perl;
		3717	undef $RELOAD_WATCHER;
		3718	};
		3719	}
		3720
2374	register_command "reload" => sub {	3721	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
2376		3723
2377	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3725	$who->message ("reloading server.");
		3726	async {
		3727	$Coro::current->{desc} = "perl_reload";
		3728	reload_perl;
		3729	};
2381	}	3730	}
2382	};	3731	};
2383		3732
2384	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
2385		3734
2386	$TICK_WATCHER = Event->timer (	3735	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		3736
		3737	our @WAIT_FOR_TICK;
		3738	our @WAIT_FOR_TICK_BEGIN;
		3739
		3740	sub wait_for_tick {
		3741	return if tick_inhibit || $Coro::current == $Coro::main;
		3742
		3743	my $signal = new Coro::Signal;
		3744	push @WAIT_FOR_TICK, $signal;
		3745	$signal->wait;
		3746	}
		3747
		3748	sub wait_for_tick_begin {
		3749	return if tick_inhibit || $Coro::current == $Coro::main;
		3750
		3751	my $signal = new Coro::Signal;
		3752	push @WAIT_FOR_TICK_BEGIN, $signal;
		3753	$signal->wait;
		3754	}
		3755
		3756	sub tick {
		3757	if ($Coro::current != $Coro::main) {
		3758	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3759	unless ++$bug_warning > 10;
		3760	return;
		3761	}
		3762
2394	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;
2397		3764
2398	$WAIT_FOR_TICK->broadcast;	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2400		3767	Coro::async_pool {
2401	# if we are delayed by four ticks or more, skip them all	3768	$Coro::current->{desc} = "runtime saver";
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2403
2404	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	3769	write_runtime_sync
2426	or warn "ERROR: unable to write runtime file: $!";	3770	or warn "ERROR: unable to write runtime file: $!";
2427	})->();	3771	};
2428	},	3772	}
2429	);	3773
		3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3775	$sig->send;
		3776	}
		3777	while (my $sig = shift @WAIT_FOR_TICK) {
		3778	$sig->send;
		3779	}
		3780
		3781	$LOAD = ($NOW - $TICK_START) / $TICK;
		3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3783
		3784	if (0) {
		3785	if ($NEXT_TICK) {
		3786	my $jitter = $TICK_START - $NEXT_TICK;
		3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3788	warn "jitter $JITTER\n";#d#
		3789	}
		3790	}
		3791	}
		3792
		3793	{
		3794	# configure BDB
		3795
		3796	BDB::min_parallel 8;
		3797	BDB::max_poll_reqs $TICK * 0.1;
		3798	$AnyEvent::BDB::WATCHER->priority (1);
		3799
		3800	unless ($DB_ENV) {
		3801	$DB_ENV = BDB::db_env_create;
		3802	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3803	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3804	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3805	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3806	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3807
		3808	cf::sync_job {
		3809	eval {
		3810	BDB::db_env_open
		3811	$DB_ENV,
		3812	$BDBDIR,
		3813	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3814	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3815	0666;
		3816
		3817	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3818	};
		3819
		3820	cf::cleanup "db_env_open(db): $@" if $@;
		3821	};
		3822	}
		3823
		3824	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3825	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3826	};
		3827	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3828	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3829	};
		3830	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3831	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3832	};
		3833	}
		3834
		3835	{
		3836	# configure IO::AIO
		3837
		3838	IO::AIO::min_parallel 8;
		3839	IO::AIO::max_poll_time $TICK * 0.1;
		3840	undef $AnyEvent::AIO::WATCHER;
		3841	}
		3842
		3843	my $_log_backtrace;
		3844
		3845	sub _log_backtrace {
		3846	my ($msg, @addr) = @_;
		3847
		3848	$msg =~ s/\n//;
		3849
		3850	# limit the # of concurrent backtraces
		3851	if ($_log_backtrace < 2) {
		3852	++$_log_backtrace;
		3853	async {
		3854	$Coro::current->{desc} = "abt $msg";
		3855
		3856	my @bt = fork_call {
		3857	@addr = map { sprintf "%x", $_ } @addr;
		3858	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3859	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3860	or die "addr2line: $!";
		3861
		3862	my @funcs;
		3863	my @res = <$fh>;
		3864	chomp for @res;
		3865	while (@res) {
		3866	my ($func, $line) = splice @res, 0, 2, ();
		3867	push @funcs, "[$func] $line";
		3868	}
		3869
		3870	@funcs
		3871	};
		3872
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] $_\n" for @bt;
		3875	--$_log_backtrace;
		3876	};
		3877	} else {
		3878	LOG llevInfo, "[ABT] $msg\n";
		3879	LOG llevInfo, "[ABT] [suppressed]\n";
		3880	}
		3881	}
		3882
		3883	# load additional modules
		3884	use cf::pod;
2430		3885
2431	END { cf::emergency_save }	3886	END { cf::emergency_save }
2432		3887
2433	1	3888	1
2434		3889

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