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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.443 by root, Sun Aug 31 10:05:26 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.3 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
		88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	101	our $NEXT_TICK;
50	our $NOW;	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
51		108
52	our %CFG;	109	our %CFG;
53		110
54	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
56		114
57	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		118
65	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
68	binmode STDOUT;	127	binmode STDOUT;
69	binmode STDERR;	128	binmode STDERR;
70		129
71	# read virtual server time, if available	130	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
76	}	135	}
77		136
78	mkdir cf::localdir;	137	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		139
84	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
		141
		142	sub cf::map::normalise;
85		143
86	#############################################################################	144	#############################################################################
87		145
88	=head2 GLOBAL VARIABLES	146	=head2 GLOBAL VARIABLES
89		147
…		…
96	=item $cf::RUNTIME	154	=item $cf::RUNTIME
97		155
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	157	every server tick.
100		158
101	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		162
103	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
105		167
106	=item $cf::NOW	168	=item $cf::NOW
107		169
108	The time of the last (current) server tick.	170	The time of the last (current) server tick.
109		171
110	=item $cf::TICK	172	=item $cf::TICK
111		173
112	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
113		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
114	=item %cf::CFG	186	=item %cf::CFG
115		187
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	189	from wherever your confdir points to.
118		190
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		192
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
125		202
126	=back	203	=back
127		204
128	=cut	205	=cut
129		206
130	BEGIN {	207	BEGIN {
131	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	209	my $msg = join "", @_;
133	utf8::encode $msg;
134		210
135	$msg .= "\n"	211	$msg .= "\n"
136	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
137		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
138	LOG llevError, $msg;	216	LOG llevError, $msg;
139	};	217	};
140	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
141		234
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		242
149	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	244	# within the Safe compartment.
151	for my $pkg (qw(	245	for my $pkg (qw(
152	cf::global cf::attachable	246	cf::global cf::attachable
153	cf::object cf::object::player	247	cf::object cf::object::player
154	cf::client cf::player	248	cf::client cf::player
155	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
156	cf::map cf::party cf::region	251	cf::party cf::region
157	)) {	252	)) {
158	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	254	}
161		255
162	$Event::DIED = sub {	256	$EV::DIED = sub {
163	warn "error in event callback: @_";	257	warn "error in event callback: @_";
164	};	258	};
		259
		260	#############################################################################
165		261
166	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
167		263
168	=over 4	264	=over 4
169		265
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	285	$d
190	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
191	}	287	}
192		288
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
196		290
197	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
198		292
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
207		294
208	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
209		296
210	=cut	297	=cut
211		298
212	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
214	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
216		303
217	=item cf::lock_wait $string	304	=item cf::lock_wait $string
218		305
219	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
220		307
…		…
223	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
226	returned.	313	returned.
227		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
228	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
230		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
231	=cut	325	=cut
232		326
233	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
234		329
235	sub lock_wait($) {	330	sub lock_wait($) {
236	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
237		337
238	# wait for lock, if any	338	# wait for lock, if any
239	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	341	Coro::schedule;
…		…
247		347
248	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
249	lock_wait $key;	349	lock_wait $key;
250		350
251	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
252		353
253	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
256	}	358	}
257	}	359	}
258		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
259	sub freeze_mainloop {	367	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
261		369
262	my $guard = Coro::guard { $TICK_WATCHER->start };	370	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	371	}
264	$guard	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
		431	}
		432	};
		433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
265	}	446	}
266		447
267	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
268		449
269	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		455
275	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
276		457
277	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
278		459
279	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
282		464
283	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
286	fast or be very important.	468	fast or be very important.
…		…
289		471
290	sub sync_job(&) {	472	sub sync_job(&) {
291	my ($job) = @_;	473	my ($job) = @_;
292		474
293	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
294	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
296		480
297	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	482
299	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
300		484
301	my $busy = 1;	485	my $busy = 1;
302	my @res;	486	my @res;
303		487
304	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	490	@res = eval { $job->() };
306	warn $@ if $@;	491	warn $@ if $@;
307	undef $busy;	492	undef $busy;
308	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
309		494
310	while ($busy) {	495	while ($busy) {
311	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
312	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
313		506
314	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
315	} else {	508	} else {
316	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
317		510
…		…
337	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
338		531
339	$coro	532	$coro
340	}	533	}
341		534
342	sub write_runtime {	535	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		536
345	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
346		541
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
348	or return;
349		543
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	544	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	545	my ($cb, @args) = @_;
352	and return;
353		546
354	aio_fsync $fh	547	# we seemingly have to make a local copy of the whole thing,
355	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
356		550
357	close $fh	551	my @res = Coro::Util::fork_eval {
358	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
359		555
360	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
361	and return;	557	}
362		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
363	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	722	}
365		723
366	=back	724	=back
367		725
368	=cut	726	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
377		735
378	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	738	Deliantra).
381		739
382	=over 4	740	=over 4
383		741
384	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
385		743
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	857	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	858	our @CB_MAP = ();
501		859
502	my %attachment;	860	my %attachment;
503		861
		862	sub cf::attachable::thawer_merge {
		863	# simply override everything except _meta
		864	local $_[0]{_meta};
		865	%{$_[0]} = %{$_[1]};
		866	}
		867
504	sub _attach_cb($$$$) {	868	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	869	my ($registry, $event, $prio, $cb) = @_;
506		870
507	use sort 'stable';	871	use sort 'stable';
508		872
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
543		907
544	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		912
549	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	914	my $pkg = shift @arg;
551		915
552	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
582	}	946	}
583		947
584	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
585	} else {	949	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	951	}
588		952
589	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
590	}	954	}
591		955
…		…
593	if (ref $_[0]) {	957	if (ref $_[0]) {
594	_object_attach @_;	958	_object_attach @_;
595	} else {	959	} else {
596	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
597	}	961	}
		962	_recalc_want;
598	};	963	};
599		964
600	# all those should be optimised	965	# all those should be optimised
601	sub cf::attachable::detach {	966	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
606	reattach ($obj);	971	reattach ($obj);
607	} else {	972	} else {
608	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
609	}	974	}
		975	_recalc_want;
610	};	976	};
611		977
612	sub cf::attachable::attached {	978	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
614		980
…		…
629	";	995	";
630	die if $@;	996	die if $@;
631	}	997	}
632		998
633	our $override;	999	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		1001
636	sub override {	1002	sub override {
637	$override = 1;	1003	$override = 1;
638	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
639	}	1005	}
640		1006
641	sub do_invoke {	1007	sub do_invoke {
642	my $event = shift;	1008	my $event = shift;
643	my $callbacks = shift;	1009	my $callbacks = shift;
644		1010
645	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
646		1012
647	local $override;	1013	local $override;
648		1014
649	for (@$callbacks) {	1015	for (@$callbacks) {
650	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
659	}	1025	}
660		1026
661	0	1027	0
662	}	1028	}
663		1029
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1031
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1033
668	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
669		1035
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1039
674	=back	1040	=back
675		1041
676	=cut	1042	=cut
677		1043
678	#############################################################################	1044	#############################################################################
679	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
680		1088
681	sub reattach {	1089	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1091	my ($obj) = @_;
		1092
		1093	# no longer needed after getting rid of delete_package?
		1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1095
685	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
686		1097
687	@$registry = ();	1098	@$registry = ();
688		1099
…		…
703	cf::attachable->attach (	1114	cf::attachable->attach (
704	prio => -1000000,	1115	prio => -1000000,
705	on_instantiate => sub {	1116	on_instantiate => sub {
706	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
707		1118
708	$data = from_json $data;	1119	$data = decode_json $data;
709		1120
710	for (@$data) {	1121	for (@$data) {
711	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
712		1123
713	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1140	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
731		1142
732	sync_job {	1143	sync_job {
733	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
736		1148
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1153	aio_close $fh;
742		1154
743	if (@$objs) {	1155	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1161	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
751	}	1163	}
752	} else {	1164	} else {
753	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
754	}	1166	}
…		…
759	}	1171	}
760	} else {	1172	} else {
761	aio_unlink $filename;	1173	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
763	}	1175	}
764	}	1176	};
765	}	1177	}
766		1178
767	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
769		1181
…		…
781	or return;	1193	or return;
782		1194
783	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
785	or return;	1197	or return;
		1198
786	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
787	}	1201	}
788		1202
		1203	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
791	return ($data, $av);	1207	($data, $av)
792	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
793		1215
794	#############################################################################	1216	#############################################################################
795	# command handling &c	1217	# command handling &c
796		1218
797	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1233	}
812		1234
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1236
815	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
816		1242
817	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
818	called.	1244	called.
819		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
820	=cut	1257	=cut
821		1258
822	sub register_extcmd {	1259	sub register_extcmd {
823	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
824		1261
825	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
826	}	1269	}
827		1270
828	cf::player->attach (	1271	cf::player->attach (
829	on_command => sub {	1272	on_command => sub {
830	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1282	cf::override;
840	},	1283	},
841	on_extcmd => sub {	1284	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
843		1286
844	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1288
846	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
852	} else {	1304	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1306	}
855		1307
856	cf::override;	1308	cf::override;
857	},	1309	},
858	);	1310	);
859		1311
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
895	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1317	next unless -r $path;
897	eval {	1318
898	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
899	1	1375	}
900	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
901	}	1381	};
902	}	1382	}
903		1383
904	#############################################################################	1384	#############################################################################
905	# load/save/clean perl data associated with a map
906		1385
907	*cf::mapsupport::on_clean = sub {	1386	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1387
920	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
921		1389
922	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
923		1391
…		…
929		1397
930	=head3 cf::player	1398	=head3 cf::player
931		1399
932	=over 4	1400	=over 4
933		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
934	=item cf::player::find $login	1416	=item cf::player::find $login
935		1417
936	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
937		1419
938	=cut	1420	=cut
939		1421
940	sub playerdir($) {	1422	sub playerdir($) {
941	cf::localdir	1423	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1425	}
947		1426
948	sub path($) {	1427	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1429
951	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
952	}	1431	}
953		1432
954	sub find_active($) {	1433	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
959		1438
960	sub exists($) {	1439	sub exists($) {
961	my ($login) = @_;	1440	my ($login) = @_;
962		1441
963	$cf::PLAYER{$login}	1442	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1443	or cf::sync_job { !aio_stat path $login }
965	}	1444	}
966		1445
967	sub find($) {	1446	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1447	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1448	my $login = $_[0];
970		1449
971	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
972		1451
973	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
975	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
977	}	1469	}
978	}	1470	}
979	}	1471	}
980		1472
…		…
989	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
990		1482
991	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
993		1485
		1486	cf::get_slot 0.01;
		1487
994	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
995	Coro::cede;	1489	cf::cede_to_tick;
996	}	1490	}
997		1491
998	sub new($) {	1492	sub new($) {
999	my ($login) = @_;	1493	my ($login) = @_;
1000		1494
…		…
1006	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1007		1501
1008	$self	1502	$self
1009	}	1503	}
1010		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1011	=item $pl->quit_character	1515	=item $pl->quit_character
1012		1516
1013	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1015		1519
1016	=cut	1520	=cut
1017		1521
1018	sub quit_character {	1522	sub quit_character {
1019	my ($pl) = @_;	1523	my ($pl) = @_;
1020		1524
		1525	my $name = $pl->ob->name;
		1526
1021	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1023		1529
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1025	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1027	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1028		1536
1029	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1541	$pl->destroy;
		1542
		1543	my $prefix = qr<^~\Q$name\E/>;
		1544
		1545	# nuke player maps
		1546	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1547
1034	IO::AIO::aio_rmtree $temp;	1548	IO::AIO::aio_rmtree $temp;
		1549	}
		1550
		1551	=item $pl->kick
		1552
		1553	Kicks a player out of the game. This destroys the connection.
		1554
		1555	=cut
		1556
		1557	sub kick {
		1558	my ($pl, $kicker) = @_;
		1559
		1560	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1561	$pl->killer ("kicked");
		1562	$pl->ns->destroy;
1035	}	1563	}
1036		1564
1037	=item cf::player::list_logins	1565	=item cf::player::list_logins
1038		1566
1039	Returns am arrayref of all valid playernames in the system, can take a	1567	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1041		1569
1042	=cut	1570	=cut
1043		1571
1044	sub list_logins {	1572	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1574	or return [];
1047		1575
1048	my @logins;	1576	my @logins;
1049		1577
1050	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1054		1588
1055	utf8::decode $login;	1589	utf8::decode $login;
1056	push @logins, $login;	1590	push @logins, $login;
1057	}	1591	}
1058		1592
…		…
1066		1600
1067	=cut	1601	=cut
1068		1602
1069	sub maps($) {	1603	sub maps($) {
1070	my ($pl) = @_;	1604	my ($pl) = @_;
		1605
		1606	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1607
1072	my $files = aio_readdir playerdir $pl	1608	my $files = aio_readdir playerdir $pl
1073	or return;	1609	or return;
1074		1610
1075	my @paths;	1611	my @paths;
…		…
1077	for (@$files) {	1613	for (@$files) {
1078	utf8::decode $_;	1614	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1615	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1616	next unless /^$PATH_SEP/o;
1081		1617
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1618	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1619	}
1084		1620
1085	\@paths	1621	\@paths
1086	}	1622	}
1087		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1089		1720
1090	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1091		1722
1092	=cut	1723	=cut
1093		1724
1094	sub ext_reply($$$%) {	1725	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1096		1727
1097	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1729	}
1101		1730
1102	package cf;	1731	=item $player->ext_msg ($type, @msg)
		1732
		1733	Sends an ext event to the client.
		1734
		1735	=cut
		1736
		1737	sub ext_msg($$@) {
		1738	my ($self, $type, @msg) = @_;
		1739
		1740	$self->ns->ext_msg ($type, @msg);
		1741	}
		1742
		1743	=head3 cf::region
		1744
		1745	=over 4
		1746
		1747	=cut
		1748
		1749	package cf::region;
		1750
		1751	=item cf::region::find_by_path $path
		1752
		1753	Tries to decuce the likely region for a map knowing only its path.
		1754
		1755	=cut
		1756
		1757	sub find_by_path($) {
		1758	my ($path) = @_;
		1759
		1760	my ($match, $specificity);
		1761
		1762	for my $region (list) {
		1763	if ($region->{match} && $path =~ $region->{match}) {
		1764	($match, $specificity) = ($region, $region->specificity)
		1765	if $region->specificity > $specificity;
		1766	}
		1767	}
		1768
		1769	$match
		1770	}
1103		1771
1104	=back	1772	=back
1105
1106		1773
1107	=head3 cf::map	1774	=head3 cf::map
1108		1775
1109	=over 4	1776	=over 4
1110		1777
…		…
1114		1781
1115	use Fcntl;	1782	use Fcntl;
1116	use Coro::AIO;	1783	use Coro::AIO;
1117		1784
1118	use overload	1785	use overload
1119	'""' => \&as_string;	1786	'""' => \&as_string,
		1787	fallback => 1;
1120		1788
1121	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1123		1791
1124	sub generate_random_map {	1792	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126		1796
1127	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1798	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1808	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1809	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1810	)
1141	}	1811	}
1142		1812
		1813	=item cf::map->register ($regex, $prio)
		1814
		1815	Register a handler for the map path matching the given regex at the
		1816	givne priority (higher is better, built-in handlers have priority 0, the
		1817	default).
		1818
		1819	=cut
		1820
1143	sub register {	1821	sub register {
1144	my (undef, $regex) = @_;	1822	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1823	my $pkg = caller;
1146		1824
1147	no strict;	1825	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1826	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1827
1150	$EXT_MAP{$pkg} = qr<$regex>;	1828	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1829	}
1152		1830
1153	# also paths starting with '/'	1831	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1832	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1833
		1834	sub thawer_merge {
		1835	my ($self, $merge) = @_;
		1836
		1837	# we have to keep some variables in memory intact
		1838	local $self->{path};
		1839	local $self->{load_path};
		1840
		1841	$self->SUPER::thawer_merge ($merge);
		1842	}
1155		1843
1156	sub normalise {	1844	sub normalise {
1157	my ($path, $base) = @_;	1845	my ($path, $base) = @_;
		1846
		1847	$path = "$path"; # make sure its a string
		1848
		1849	$path =~ s/\.map$//;
1158		1850
1159	# map plan:	1851	# map plan:
1160	#	1852	#
1161	# /! non-realised random map exit (special hack!)	1853	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1854	# {... are special paths that are not being touched
…		…
1190		1882
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1883	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1884
1193	$path = normalise $path, $base;	1885	$path = normalise $path, $base;
1194		1886
1195	for my $pkg (keys %EXT_MAP) {	1887	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1888	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1889	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1890	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1200	return $self;	1892	return $self;
1201	}	1893	}
1202	}	1894	}
1203		1895
1204	Carp::carp "unable to resolve path '$path'.";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1897	()
1206	}	1898	}
1207		1899
1208	sub init {	1900	sub init {
1209	my ($self) = @_;	1901	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1912	# the displayed name, this is a one way mapping
1221	sub visible_name {	1913	sub visible_name {
1222	&as_string	1914	&as_string
1223	}	1915	}
1224		1916
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1917	# the original (read-only) location
1233	sub load_path {	1918	sub load_path {
1234	my ($self) = @_;	1919	my ($self) = @_;
1235		1920
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1237	}	1922	}
1238		1923
1239	# the temporary/swap location	1924	# the temporary/swap location
1240	sub save_path {	1925	sub save_path {
1241	my ($self) = @_;	1926	my ($self) = @_;
1242		1927
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1929	"$TMPDIR/$path.map"
1244	}	1930	}
1245		1931
1246	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1247	sub uniq_path {	1933	sub uniq_path {
1248	my ($self) = @_;	1934	my ($self) = @_;
1249		1935
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1937	"$UNIQUEDIR/$path"
1251	}	1938	}
1252		1939
1253	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1254	# all maps in C++...	1941	# all maps in C++...
1255	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1257		1944
1258	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1260	}	1947	}
1261		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1262	sub unlink_save {	1957	sub unlink_save {
1263	my ($self) = @_;	1958	my ($self) = @_;
1264		1959
1265	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1962	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1963	}
1269		1964
1270	sub load_header_from($) {	1965	sub load_header_from($) {
1271	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1272		1967
1273	utf8::encode $path;	1968	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1275	or return;	1970	or return;
1276		1971
1277	$self->_load_header ($path)	1972	$self->_load_header ($f)
1278	or return;	1973	or return;
1279		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
		1977
1280	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1281		1979
1282	1	1980	1
1283	}	1981	}
1284		1982
1285	sub load_orig {	1983	sub load_header_orig {
1286	my ($self) = @_;	1984	my ($self) = @_;
1287		1985
1288	$self->load_header_from ($self->load_path)	1986	$self->load_header_from ($self->load_path)
1289	}	1987	}
1290		1988
1291	sub load_temp {	1989	sub load_header_temp {
1292	my ($self) = @_;	1990	my ($self) = @_;
1293		1991
1294	$self->load_header_from ($self->save_path)	1992	$self->load_header_from ($self->save_path)
		1993	}
		1994
		1995	sub prepare_temp {
		1996	my ($self) = @_;
		1997
		1998	$self->last_access ((delete $self->{last_access})
		1999	|| $cf::RUNTIME); #d#
		2000	# safety
		2001	$self->{instantiate_time} = $cf::RUNTIME
		2002	if $self->{instantiate_time} > $cf::RUNTIME;
		2003	}
		2004
		2005	sub prepare_orig {
		2006	my ($self) = @_;
		2007
		2008	$self->{load_original} = 1;
		2009	$self->{instantiate_time} = $cf::RUNTIME;
		2010	$self->last_access ($cf::RUNTIME);
		2011	$self->instantiate;
1295	}	2012	}
1296		2013
1297	sub load_header {	2014	sub load_header {
1298	my ($self) = @_;	2015	my ($self) = @_;
1299		2016
1300	if ($self->load_temp) {	2017	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	2018	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	2019	} else {
1307	$self->load_orig	2020	$self->load_header_orig
1308	or return;	2021	or return;
1309		2022	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	2023	}
		2024
		2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
		2027
		2028	$self->default_region (cf::region::find_by_path $self->{path})
		2029	unless $self->default_region;
1315		2030
1316	1	2031	1
1317	}	2032	}
1318		2033
1319	sub find;	2034	sub find;
1320	sub find {	2035	sub find {
1321	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1322		2037
1323	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1324		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1326		2042
1327	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1328	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1329	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1330	or return;	2048	or return;
1331		2049
1332	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1333		2051
1334	$map->load_header	2052	$map->load_header
1335	or return;	2053	or return;
1336		2054
1337	if ($map->should_reset) {	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2056	# doing this can freeze the server in a sync job, obviously
		2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1338	$map->reset;	2060	$map->reset;
1339	undef $guard;
1340	$map = find $path	2061	return find $path;
1341	or return;
1342	}	2062	}
1343		2063
1344	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1345	}	2065	}
1346	}	2066	}
		2067
		2068	sub pre_load { }
		2069	sub post_load { }
1347		2070
1348	sub load {	2071	sub load {
1349	my ($self) = @_;	2072	my ($self) = @_;
1350		2073
		2074	local $self->{deny_reset} = 1; # loading can take a long time
		2075
1351	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1353		2080
		2081	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2083
1356	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1357		2085
1358	$self->alloc;	2086	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2087
		2088	$self->pre_load;
		2089	cf::cede_to_tick;
		2090
		2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
		2093	$self->_load_objects ($f)
1360	or return;	2094	or return;
1361		2095
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1363	if delete $self->{load_original};	2097	if delete $self->{load_original};
1364		2098
1365	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2100	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2103	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1370	}	2107	}
1371	}	2108	}
1372		2109
1373	Coro::cede;	2110	$f->resolve_delayed_derefs;
1374		2111
		2112	cf::cede_to_tick;
1375	# now do the right thing for maps	2113	# now do the right thing for maps
1376	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2116	unless $self->difficulty;
1386	Coro::cede;	2117	cf::cede_to_tick;
		2118
		2119	unless ($self->{deny_activate}) {
		2120	$self->decay_objects;
		2121	$self->fix_auto_apply;
		2122	$self->update_buttons;
		2123	cf::cede_to_tick;
		2124	$self->set_darkness_map;
		2125	cf::cede_to_tick;
1387	$self->activate;	2126	$self->activate;
1388	}	2127	}
1389		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2132	$self->in_memory (cf::MAP_ACTIVE);
		2133	}
		2134
		2135	$self->post_load;
1391	}	2136	}
1392		2137
1393	sub customise_for {	2138	sub customise_for {
1394	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1395		2140
1396	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2142	if $self->per_player;
1398		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1399	$self	2147	$self
1400	}	2148	}
1401		2149
1402	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2151	sub load_neighbours {
1404	my ($map) = @_;	2152	my ($map) = @_;
1405		2153
1406	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1407		2155
1408	for (0 .. 3) {	2156	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1410	or next;	2158	or next;
1411	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1412	or next;	2160	or next;
1413	$neigh->load;	2161	$neigh->load;
1414		2162
		2163	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2166	}
1418		2167
1419	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1421	or next;	2171	or next;
1422	$neigh->load;	2172	$neigh->load;
1423	}	2173	}
1424	}	2174	}
1425		2175
…		…
1430	}	2180	}
1431		2181
1432	sub do_load_sync {	2182	sub do_load_sync {
1433	my ($map) = @_;	2183	my ($map) = @_;
1434		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1435	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1436	}	2189	}
1437		2190
1438	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2192	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2193
1452	sub find_async {	2194	sub find_async {
1453	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1454		2196
1455	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1456		2198
1457	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2201	}
		2202
		2203	$MAP_PREFETCH{$path} |= $load;
		2204
		2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
		2208	while (%MAP_PREFETCH) {
		2209	while (my ($k, $v) = each %MAP_PREFETCH) {
		2210	if (my $map = find $k) {
		2211	$map->load if $v;
		2212	}
		2213
		2214	delete $MAP_PREFETCH{$k};
		2215	}
		2216	}
		2217	undef $MAP_PREFETCHER;
1459	}	2218	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2219	$MAP_PREFETCHER->prio (6);
1463		2220
1464	()	2221	()
1465	}	2222	}
1466		2223
1467	sub save {	2224	sub save {
1468	my ($self) = @_;	2225	my ($self) = @_;
1469		2226
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2228
1472	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1473		2230
1474	return unless $self->dirty;	2231	return unless $self->dirty;
1475		2232
…		…
1481	return if $self->{deny_save};	2238	return if $self->{deny_save};
1482		2239
1483	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1484		2241
1485	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1487	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1488		2248
1489	if ($uniq) {	2249	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1492	} else {	2252	} else {
…		…
1498	my ($self) = @_;	2258	my ($self) = @_;
1499		2259
1500	# save first because save cedes	2260	# save first because save cedes
1501	$self->save;	2261	$self->save;
1502		2262
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2264
1505	return if $self->players;	2265	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1507	return if $self->{deny_save};	2267	return if $self->{deny_save};
1508		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2273	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2274	}
1512		2275
1513	sub reset_at {	2276	sub reset_at {
1514	my ($self) = @_;	2277	my ($self) = @_;
1515		2278
1516	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1519		2281
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2284
…		…
1527	my ($self) = @_;	2289	my ($self) = @_;
1528		2290
1529	$self->reset_at <= $cf::RUNTIME	2291	$self->reset_at <= $cf::RUNTIME
1530	}	2292	}
1531		2293
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2294	sub reset {
1547	my ($self) = @_;	2295	my ($self) = @_;
1548		2296
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2298
1551	return if $self->players;	2299	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2300
1554	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
		2302
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# need to save uniques path
		2306	unless ($self->{deny_save}) {
		2307	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2308
		2309	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2310	if $uniq;
		2311	}
1555		2312
1556	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1557		2314
		2315	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2316	$_->clear_links_to ($self) for values %cf::MAP;
		2317	$self->clear;
1559		2318
1560	$self->unlink_save;	2319	$self->unlink_save;
1561	$self->destroy;	2320	$self->destroy;
1562	}	2321	}
1563		2322
1564	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1565		2324
1566	sub nuke {	2325	sub nuke {
1567	my ($self) = @_;	2326	my ($self) = @_;
1568		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
		2331	delete $cf::MAP{$self->path};
		2332
		2333	$self->unlink_save;
		2334
		2335	bless $self, "cf::map";
		2336	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2340
		2341	$cf::MAP{$self->path} = $self;
		2342	}
		2343
1572	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
		2345	}
		2346
		2347	=item $maps = cf::map::tmp_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1573	}	2381	}
1574		2382
1575	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1576		2384
1577	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2386	instantiated unique items. May block.
1579		2387
1580	=cut	2388	=cut
1581		2389
1582	sub unique_maps() {	2390	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1584	or return;	2392	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2393	utf8::decode $_;
1590	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1591	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592		2396	? ()
1593	push @paths, $_;	2397	: normalise $_
		2398	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2399	]
1595
1596	\@paths
1597	}	2400	}
1598
1599	package cf;
1600		2401
1601	=back	2402	=back
1602		2403
1603	=head3 cf::object	2404	=head3 cf::object
1604		2405
…		…
1608		2409
1609	=over 4	2410	=over 4
1610		2411
1611	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1612		2413
1613	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1614		2416
1615	=cut	2417	=cut
1616		2418
1617	sub inv_recursive_;	2419	sub inv_recursive_;
1618	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1621		2423
1622	sub inv_recursive {	2424	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1624	}	2426	}
1625		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1626	package cf;	2456	package cf;
1627		2457
1628	=back	2458	=back
1629		2459
1630	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1637	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1638	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1639		2469
1640	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1641		2485
1642	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1643	# with dialog boxes.	2487	# with dialog boxes.
1644	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1645	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1647		2491
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2493
1650	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1652	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1655	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1656	}	2519	}
1657		2520
1658	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1659		2522
1660	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2555	=cut
1693		2556
1694	sub link_map {	2557	sub link_map {
1695	unless ($LINK_MAP) {	2558	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2559	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2560	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2561	$LINK_MAP->load;
1699	}	2562	}
1700		2563
1701	$LINK_MAP	2564	$LINK_MAP
1702	}	2565	}
…		…
1707	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1708		2571
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2573
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1713		2576
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2578	}
1716		2579
1717	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1719		2584
1720	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1721		2586
1722	unless ($map) {	2587	unless ($map) {
1723	# restore original map position	2588	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1740		2605
1741	$map->load;	2606	$map->load;
1742	$map->load_diag;	2607	$map->load_neighbours;
1743		2608
1744	return unless $self->contr->active;	2609	return unless $self->contr->active;
1745	$self->activate_recursive;	2610	$self->activate_recursive;
		2611
		2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1747	}	2614	}
1748		2615
1749	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2617
1753	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1757	};	2622	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2623
1763	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2626
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1784		2630
1785	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
		2633
		2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2636
1788	$self->enter_link;	2637	$self->enter_link;
1789		2638
1790	(async {	2639	(async {
1791	my $map = cf::map::find $path;	2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
		2661	my $map = eval {
		2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
1793		2666	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2667	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
1798		2670
		2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
		2677	}
		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1800	})->prio (1);	2685	})->prio (1);
1801	}	2686	}
1802		2687
1803	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1804		2689
…		…
1806		2691
1807	sub parse_random_map_params {	2692	sub parse_random_map_params {
1808	my ($spec) = @_;	2693	my ($spec) = @_;
1809		2694
1810	my $rmp = { # defaults	2695	my $rmp = { # defaults
1811	xsize => 10,	2696	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2697	ysize => (cf::rndm 15, 40),
		2698	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2699	#layout => string,
1813	};	2700	};
1814		2701
1815	for (split /\n/, $spec) {	2702	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2703	my ($k, $v) = split /\s+/, $_, 2;
1817		2704
…		…
1829	# that depends on the exit object	2716	# that depends on the exit object
1830		2717
1831	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
1832		2719
1833	if ($exit->map) {	2720	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2721	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1838	}	2727	}
1839		2728
1840	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1841		2730
1842	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
		2733	my $meta = "$RANDOMDIR/$md5.meta";
1844		2734
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
		2737	undef $fh;
		2738	aio_rename "$meta~", $meta;
1847		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1848	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1850	}	2746	}
1851	}	2747	}
1852		2748
1853	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
…		…
1856	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1857		2753
1858	$self->enter_link;	2754	$self->enter_link;
1859		2755
1860	(async {	2756	(async {
1861	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1862	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
1863	prepare_random_map $exit	2766	prepare_random_map $exit
1864	if $exit->slaying eq "/!";	2767	if $exit->slaying eq "/!";
		2768	}
1865		2769
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
1868		2773
		2774	$self->goto ($map, $x, $y);
		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
1869	1;	2780	1
1870	}) {	2781	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2786
1876	warn "ERROR in enter_exit: $@";	2787	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2788	$self->leave_link;
1878	}	2789	}
1879	})->prio (1);	2790	})->prio (1);
…		…
1892		2803
1893	sub cf::client::send_drawinfo {	2804	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2805	my ($self, $text, $flags) = @_;
1895		2806
1896	utf8::encode $text;	2807	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2809	}
1899		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	my $pkt = "msg "
		2913	. $self->{json_coder}->encode (
		2914	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2915	);
		2916
		2917	# try lzf for large packets
		2918	$pkt = "lzf " . Compress::LZF::compress $pkt
		2919	if 1024 <= length $pkt and $self->{can_lzf};
		2920
		2921	# split very large packets
		2922	if (8192 < length $pkt and $self->{can_lzf}) {
		2923	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2924	$pkt = "frag";
		2925	}
		2926
		2927	$self->send_packet ($pkt);
		2928	} else {
		2929	if ($color >= 0) {
		2930	# replace some tags by gcfclient-compatible ones
		2931	for ($msg) {
		2932	1 while
		2933	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2934	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2935	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2936	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2937	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2938	}
		2939
		2940	$color &= cf::NDI_COLOR_MASK;
		2941
		2942	utf8::encode $msg;
		2943
		2944	if (0 && $msg =~ /\[/) {
		2945	# COMMAND/INFO
		2946	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2947	} else {
		2948	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2949	$self->send_packet ("drawinfo $color $msg")
		2950	}
		2951	}
		2952	}
		2953	}
		2954
		2955	=item $client->ext_msg ($type, @msg)
		2956
		2957	Sends an ext event to the client.
		2958
		2959	=cut
		2960
		2961	sub cf::client::ext_msg($$@) {
		2962	my ($self, $type, @msg) = @_;
		2963
		2964	if ($self->extcmd == 2) {
		2965	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2966	} elsif ($self->extcmd == 1) { # TODO: remove
		2967	push @msg, msgtype => "event_$type";
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
		2970	}
		2971
		2972	=item $client->ext_reply ($msgid, @msg)
		2973
		2974	Sends an ext reply to the client.
		2975
		2976	=cut
		2977
		2978	sub cf::client::ext_reply($$@) {
		2979	my ($self, $id, @msg) = @_;
		2980
		2981	if ($self->extcmd == 2) {
		2982	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2983	} elsif ($self->extcmd == 1) {
		2984	#TODO: version 1, remove
		2985	unshift @msg, msgtype => "reply", msgid => $id;
		2986	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2987	}
		2988	}
1900		2989
1901	=item $success = $client->query ($flags, "text", \&cb)	2990	=item $success = $client->query ($flags, "text", \&cb)
1902		2991
1903	Queues a query to the client, calling the given callback with	2992	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2993	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2994	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2995
1907	Queries can fail, so check the return code. Or don't, as queries will become	2996	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2997	become reliable at some point in the future.
1909		2998
1910	=cut	2999	=cut
1911		3000
1912	sub cf::client::query {	3001	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	3002	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	3010	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3011	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		3012
1924	$self->send_packet ($self->{query_queue}[0][0])	3013	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	3014	if @{ $self->{query_queue} } == 1;
		3015
		3016	1
1926	}	3017	}
1927		3018
1928	cf::client->attach (	3019	cf::client->attach (
		3020	on_connect => sub {
		3021	my ($ns) = @_;
		3022
		3023	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3024	},
1929	on_reply => sub {	3025	on_reply => sub {
1930	my ($ns, $msg) = @_;	3026	my ($ns, $msg) = @_;
1931		3027
1932	# this weird shuffling is so that direct followup queries	3028	# this weird shuffling is so that direct followup queries
1933	# get handled first	3029	# get handled first
1934	my $queue = delete $ns->{query_queue}	3030	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	3031	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		3032
1937	(shift @$queue)->[1]->($msg);	3033	(shift @$queue)->[1]->($msg);
		3034	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		3035
1939	push @{ $ns->{query_queue} }, @$queue;	3036	push @{ $ns->{query_queue} }, @$queue;
1940		3037
1941	if (@{ $ns->{query_queue} } == @$queue) {	3038	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	3039	if (@$queue) {
…		…
1944	} else {	3041	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3042	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	3043	}
1947	}	3044	}
1948	},	3045	},
		3046	on_exticmd => sub {
		3047	my ($ns, $buf) = @_;
		3048
		3049	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3050
		3051	if (ref $msg) {
		3052	my ($type, $reply, @payload) =
		3053	"ARRAY" eq ref $msg
		3054	? @$msg
		3055	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3056
		3057	my @reply;
		3058
		3059	if (my $cb = $EXTICMD{$type}) {
		3060	@reply = $cb->($ns, @payload);
		3061	}
		3062
		3063	$ns->ext_reply ($reply, @reply)
		3064	if $reply;
		3065
		3066	} else {
		3067	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3068	}
		3069
		3070	cf::override;
		3071	},
1949	);	3072	);
1950		3073
1951	=item $client->async (\&cb)	3074	=item $client->async (\&cb)
1952		3075
1953	Create a new coroutine, running the specified callback. The coroutine will	3076	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3117	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3118	our $safe_hole = new Safe::Hole;
1996		3119
1997	$SIG{FPE} = 'IGNORE';	3120	$SIG{FPE} = 'IGNORE';
1998		3121
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3122	$safe->permit_only (Opcode::opset qw(
		3123	:base_core :base_mem :base_orig :base_math
		3124	grepstart grepwhile mapstart mapwhile
		3125	sort time
		3126	));
2000		3127
2001	# here we export the classes and methods available to script code	3128	# here we export the classes and methods available to script code
2002		3129
2003	=pod	3130	=pod
2004		3131
2005	The following fucntions and emthods are available within a safe environment:	3132	The following functions and methods are available within a safe environment:
2006		3133
2007	cf::object contr pay_amount pay_player map	3134	cf::object
		3135	contr pay_amount pay_player map x y force_find force_add destroy
		3136	insert remove name archname title slaying race decrease split
		3137
2008	cf::object::player player	3138	cf::object::player
2009	cf::player peaceful	3139	player
2010	cf::map trigger	3140
		3141	cf::player
		3142	peaceful
		3143
		3144	cf::map
		3145	trigger
2011		3146
2012	=cut	3147	=cut
2013		3148
2014	for (	3149	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3150	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3151	insert remove inv nrof name archname title slaying race
		3152	decrease split destroy change_exp)],
2016	["cf::object::player" => qw(player)],	3153	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3154	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3155	["cf::map" => qw(trigger)],
2019	) {	3156	) {
2020	no strict 'refs';	3157	no strict 'refs';
…		…
2091	=back	3228	=back
2092		3229
2093	=cut	3230	=cut
2094		3231
2095	#############################################################################	3232	#############################################################################
		3233	# the server's init and main functions
2096		3234
2097	=head2 EXTENSION DATABASE SUPPORT	3235	sub load_facedata($) {
		3236	my ($path) = @_;
2098		3237
2099	Crossfire maintains a very simple database for extension use. It can	3238	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3239	# for this (global event?)
2101	excludes objects.	3240	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3241
2103	The parameter C<$family> should best start with the name of the extension	3242	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3243
2106	=over 4	3244	warn "loading facedata from $path\n";
2107		3245
2108	=item $hashref = cf::db_get $family	3246	my $facedata;
		3247	0 < aio_load $path, $facedata
		3248	or die "$path: $!";
2109		3249
2110	Return a hashref for use by the extension C<$family>, which can be	3250	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3251
2114	=item $value = cf::db_get $family => $key	3252	$facedata->{version} == 2
		3253	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3254
2116	Returns a single value from the database	3255	# patch in the exptable
2117		3256	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3257	type => FT_RSRC,
2119		3258	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3259	};
		3260	cf::cede_to_tick;
2169		3261
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3262	{
		3263	my $faces = $facedata->{faceinfo};
2174		3264
2175	sub db_get($;$) {	3265	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3266	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3267
2181	sub db_put($$;$) {	3268	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3269	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3270	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3271	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3272
2190	cf::global->attach (	3273	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3274	}
2195	);
2196	}
2197		3275
2198	#############################################################################	3276	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3277	next unless $info->{smooth};
2200		3278
2201	sub cfg_load {	3279	my $idx = cf::face::find $face
		3280	or next;
		3281
		3282	if (my $smooth = cf::face::find $info->{smooth}) {
		3283	cf::face::set_smooth $idx, $smooth;
		3284	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3285	} else {
		3286	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3287	}
		3288
		3289	cf::cede_to_tick;
		3290	}
		3291	}
		3292
		3293	{
		3294	my $anims = $facedata->{animinfo};
		3295
		3296	while (my ($anim, $info) = each %$anims) {
		3297	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3298	cf::cede_to_tick;
		3299	}
		3300
		3301	cf::anim::invalidate_all; # d'oh
		3302	}
		3303
		3304	{
		3305	# TODO: for gcfclient pleasure, we should give resources
		3306	# that gcfclient doesn't grok a >10000 face index.
		3307	my $res = $facedata->{resource};
		3308
		3309	while (my ($name, $info) = each %$res) {
		3310	if (defined $info->{type}) {
		3311	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3312	my $data;
		3313
		3314	if ($info->{type} & 1) {
		3315	# prepend meta info
		3316
		3317	my $meta = $enc->encode ({
		3318	name => $name,
		3319	%{ $info->{meta} || {} },
		3320	});
		3321
		3322	$data = pack "(w/a*)*", $meta, $info->{data};
		3323	} else {
		3324	$data = $info->{data};
		3325	}
		3326
		3327	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3328	cf::face::set_type $idx, $info->{type};
		3329	} else {
		3330	$RESOURCE{$name} = $info;
		3331	}
		3332
		3333	cf::cede_to_tick;
		3334	}
		3335	}
		3336
		3337	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3338
		3339	1
		3340	}
		3341
		3342	cf::global->attach (on_resource_update => sub {
		3343	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3344	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3345
		3346	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3347	my $sound = $soundconf->{compat}[$_]
		3348	or next;
		3349
		3350	my $face = cf::face::find "sound/$sound->[1]";
		3351	cf::sound::set $sound->[0] => $face;
		3352	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3353	}
		3354
		3355	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3356	my $face = cf::face::find "sound/$v";
		3357	cf::sound::set $k => $face;
		3358	}
		3359	}
		3360	});
		3361
		3362	register_exticmd fx_want => sub {
		3363	my ($ns, $want) = @_;
		3364
		3365	while (my ($k, $v) = each %$want) {
		3366	$ns->fx_want ($k, $v);
		3367	}
		3368	};
		3369
		3370	sub load_resource_file($) {
		3371	my $guard = lock_acquire "load_resource_file";
		3372
		3373	my $status = load_resource_file_ $_[0];
		3374	get_slot 0.1, 100;
		3375	cf::arch::commit_load;
		3376
		3377	$status
		3378	}
		3379
		3380	sub reload_regions {
		3381	# HACK to clear player env face cache, we need some signal framework
		3382	# for this (global event?)
		3383	%ext::player_env::MUSIC_FACE_CACHE = ();
		3384
		3385	load_resource_file "$MAPDIR/regions"
		3386	or die "unable to load regions file\n";
		3387
		3388	for (cf::region::list) {
		3389	$_->{match} = qr/$_->{match}/
		3390	if exists $_->{match};
		3391	}
		3392	}
		3393
		3394	sub reload_facedata {
		3395	load_facedata "$DATADIR/facedata"
		3396	or die "unable to load facedata\n";
		3397	}
		3398
		3399	sub reload_archetypes {
		3400	load_resource_file "$DATADIR/archetypes"
		3401	or die "unable to load archetypes\n";
		3402	}
		3403
		3404	sub reload_treasures {
		3405	load_resource_file "$DATADIR/treasures"
		3406	or die "unable to load treasurelists\n";
		3407	}
		3408
		3409	sub reload_resources {
		3410	warn "reloading resource files...\n";
		3411
		3412	reload_facedata;
		3413	reload_archetypes;
		3414	reload_regions;
		3415	reload_treasures;
		3416
		3417	warn "finished reloading resource files\n";
		3418	}
		3419
		3420	sub init {
		3421	my $guard = freeze_mainloop;
		3422
		3423	evthread_start IO::AIO::poll_fileno;
		3424
		3425	reload_resources;
		3426	}
		3427
		3428	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3429	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3430	or return;
2204		3431
2205	local $/;	3432	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3433	*CFG = YAML::Load <$fh>;
2207		3434
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3435	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3436
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3437	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3438	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2221		3448
2222	sub main {	3449	sub main {
2223	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3453	(async {
		3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
		3456	})->prio (Coro::PRIO_MAX);
2227	};	3457	};
2228		3458
2229	cfg_load;	3459	{
2230	db_load;	3460	my $guard = freeze_mainloop;
		3461	reload_config;
		3462	db_init;
2231	load_extensions;	3463	load_extensions;
		3464
		3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466	}
		3467
2232	Event::loop;	3468	EV::loop;
2233	}	3469	}
2234		3470
2235	#############################################################################	3471	#############################################################################
2236	# initialisation and cleanup	3472	# initialisation and cleanup
2237		3473
2238	# install some emergency cleanup handlers	3474	# install some emergency cleanup handlers
2239	BEGIN {	3475	BEGIN {
		3476	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3477	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3478	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3479	cf::cleanup "SIG$signal";
2246	},
2247	);	3480	};
		3481	}
		3482	}
		3483
		3484	sub write_runtime_sync {
		3485	my $runtime = "$LOCALDIR/runtime";
		3486
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $runtime, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$runtime~", $runtime
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2248	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3537	$uuid_skip = 0;
		3538
		3539	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3540	and return;
		3541
		3542	# always fsync - this file is important
		3543	aio_fsync $fh
		3544	and return;
		3545
		3546	close $fh
		3547	or return;
		3548
		3549	aio_rename "$uuid~", $uuid
		3550	and return;
		3551
		3552	warn "uuid file written ($value).\n";
		3553
		3554	1
		3555
		3556	}
		3557
		3558	sub write_uuid($$) {
		3559	my ($skip, $sync) = @_;
		3560
		3561	$sync ? write_uuid_sync $skip
		3562	: async { write_uuid_sync $skip };
2249	}	3563	}
2250		3564
2251	sub emergency_save() {	3565	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3566	my $freeze_guard = cf::freeze_mainloop;
2253		3567
2254	warn "enter emergency perl save\n";	3568	warn "enter emergency perl save\n";
2255		3569
2256	cf::sync_job {	3570	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3571	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3572	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3573	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3574	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3575	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3576	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3577	$pl->valid or next;
		3578	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3579	$pl->save;
2265	}	3580	}
2266	warn "end emergency player save\n";	3581	warn "end emergency player save\n";
2267		3582
2268	warn "begin emergency map save\n";	3583	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3585	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3586	$map->valid or next;
2272	$map->save;	3587	$map->save;
2273	}	3588	}
2274	warn "end emergency map save\n";	3589	warn "end emergency map save\n";
		3590
		3591	warn "begin emergency database checkpoint\n";
		3592	BDB::db_env_txn_checkpoint $DB_ENV;
		3593	warn "end emergency database checkpoint\n";
		3594
		3595	warn "begin write uuid\n";
		3596	write_uuid_sync 1;
		3597	warn "end write uuid\n";
2275	};	3598	};
2276		3599
2277	warn "leave emergency perl save\n";	3600	warn "leave emergency perl save\n";
2278	}	3601	}
2279		3602
		3603	sub post_cleanup {
		3604	my ($make_core) = @_;
		3605
		3606	warn Carp::longmess "post_cleanup backtrace"
		3607	if $make_core;
		3608	}
		3609
		3610	# a safer delete_package, copied from Symbol
		3611	sub clear_package($) {
		3612	my $pkg = shift;
		3613
		3614	# expand to full symbol table name if needed
		3615	unless ($pkg =~ /^main::.*::$/) {
		3616	$pkg = "main$pkg" if $pkg =~ /^::/;
		3617	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3618	$pkg .= '::' unless $pkg =~ /::$/;
		3619	}
		3620
		3621	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3622	my $stem_symtab = *{$stem}{HASH};
		3623
		3624	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3625	or return;
		3626
		3627	# clear all symbols
		3628	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3629	for my $name (keys %$leaf_symtab) {
		3630	_gv_clear *{"$pkg$name"};
		3631	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3632	}
		3633	warn "cleared package #$pkg\n";#d#
		3634	}
		3635
		3636	our $RELOAD; # how many times to reload
		3637
2280	sub reload() {	3638	sub do_reload_perl() {
2281	# can/must only be called in main	3639	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3640	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3641	warn "can only reload from main coroutine";
2284	return;	3642	return;
2285	}	3643	}
2286		3644
		3645	return if $RELOAD++;
		3646
		3647	while ($RELOAD) {
2287	warn "reloading...";	3648	warn "reloading...";
2288		3649
2289	warn "freezing server";	3650	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3651
		3652	cf::sync_job {
		3653	cf::write_runtime_sync; # external watchdog should not bark
2291	cf::emergency_save;	3654	cf::emergency_save;
		3655	cf::write_runtime_sync; # external watchdog should not bark
2292		3656
2293	warn "sync database to disk";	3657	warn "syncing database to disk";
2294	cf::db_sync;	3658	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3659
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3660	# if anything goes wrong in here, we should simply crash as we already saved
2299		3661
2300	warn "cancel all watchers";	3662	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3663	while (IO::AIO::nreqs || BDB::nreqs) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3664	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2303	}
2304
2305	warn "cancel all extension coros";
2306	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();
2308
2309	warn "remove commands";
2310	%COMMAND = ();
2311
2312	warn "remove ext commands";
2313	%EXTCMD = ();
2314
2315	warn "unload/nuke all extensions";
2316	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";
2318
2319	if (my $cb = $pkg->can ("unload")) {
2320	eval {
2321	$cb->($pkg);
2322	1
2323	} or warn "$pkg unloaded, but with errors: $@";
2324	}	3665	}
2325		3666
		3667	warn "cancelling all extension coros";
		3668	$_->cancel for values %EXT_CORO;
		3669	%EXT_CORO = ();
		3670
		3671	warn "removing commands";
		3672	%COMMAND = ();
		3673
		3674	warn "removing ext/exti commands";
		3675	%EXTCMD = ();
		3676	%EXTICMD = ();
		3677
		3678	warn "unloading/nuking all extensions";
		3679	for my $pkg (@EXTS) {
2326	warn "... nuking $pkg";	3680	warn "... unloading $pkg";
2327	Symbol::delete_package $pkg;
2328	}
2329		3681
2330	warn "unload all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333
2334	warn "removing <$k>";
2335	delete $INC{$k};
2336
2337	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;
2339
2340	if (my $cb = $k->can ("unload_module")) {	3682	if (my $cb = $pkg->can ("unload")) {
		3683	eval {
2341	$cb->();	3684	$cb->($pkg);
		3685	1
		3686	} or warn "$pkg unloaded, but with errors: $@";
		3687	}
		3688
		3689	warn "... clearing $pkg";
		3690	clear_package $pkg;
2342	}	3691	}
2343		3692
2344	Symbol::delete_package $k;	3693	warn "unloading all perl modules loaded from $LIBDIR";
		3694	while (my ($k, $v) = each %INC) {
		3695	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3696
		3697	warn "... unloading $k";
		3698	delete $INC{$k};
		3699
		3700	$k =~ s/\.pm$//;
		3701	$k =~ s/\//::/g;
		3702
		3703	if (my $cb = $k->can ("unload_module")) {
		3704	$cb->();
		3705	}
		3706
		3707	clear_package $k;
2345	}	3708	}
2346		3709
2347	warn "get rid of safe::, as good as possible";	3710	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3711	clear_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3712	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3713
2351	warn "unload cf.pm \"a bit\"";	3714	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3715	delete $INC{"cf.pm"};
		3716	delete $INC{"cf/pod.pm"};
2353		3717
2354	# don't, removes xs symbols, too,	3718	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3719	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3720	#clear_package __PACKAGE__;
2357		3721
		3722	warn "unload completed, starting to reload now";
		3723
2358	warn "reloading cf.pm";	3724	warn "reloading cf.pm";
2359	require cf;	3725	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3726	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3727
2362	warn "load config and database again";	3728	warn "loading config and database again";
2363	cf::cfg_load;	3729	cf::reload_config;
2364	cf::db_load;
2365		3730
2366	warn "load extensions";	3731	warn "loading extensions";
2367	cf::load_extensions;	3732	cf::load_extensions;
2368		3733
2369	warn "reattach attachments to objects/players";	3734	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3735	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3736	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3737	reattach $_ for values %MAP;
		3738	warn "reattaching attachments to players";
		3739	reattach $_ for values %PLAYER;
		3740
		3741	warn "leaving sync_job";
		3742
		3743	1
		3744	} or do {
		3745	warn $@;
		3746	cf::cleanup "error while reloading, exiting.";
		3747	};
		3748
		3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752	};
		3753
		3754	our $RELOAD_WATCHER; # used only during reload
		3755
		3756	sub reload_perl() {
		3757	# doing reload synchronously and two reloads happen back-to-back,
		3758	# coro crashes during coro_state_free->destroy here.
		3759
		3760	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3761	do_reload_perl;
		3762	undef $RELOAD_WATCHER;
2373	};	3763	};
2374		3764	}
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380
2381	warn "reloaded";
2382	};
2383		3765
2384	register_command "reload" => sub {	3766	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3767	my ($who, $arg) = @_;
2386		3768
2387	if ($who->flag (FLAG_WIZ)) {	3769	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3770	$who->message ("reloading server.");
		3771	async {
		3772	$Coro::current->{desc} = "perl_reload";
		3773	reload_perl;
		3774	};
2391	}	3775	}
2392	};	3776	};
2393		3777
2394	unshift @INC, $LIBDIR;	3778	unshift @INC, $LIBDIR;
2395		3779
2396	$TICK_WATCHER = Event->timer (	3780	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3781
		3782	our @WAIT_FOR_TICK;
		3783	our @WAIT_FOR_TICK_BEGIN;
		3784
		3785	sub wait_for_tick {
		3786	return if tick_inhibit || $Coro::current == $Coro::main;
		3787
		3788	my $signal = new Coro::Signal;
		3789	push @WAIT_FOR_TICK, $signal;
		3790	$signal->wait;
		3791	}
		3792
		3793	sub wait_for_tick_begin {
		3794	return if tick_inhibit || $Coro::current == $Coro::main;
		3795
		3796	my $signal = new Coro::Signal;
		3797	push @WAIT_FOR_TICK_BEGIN, $signal;
		3798	$signal->wait;
		3799	}
		3800
		3801	sub tick {
		3802	if ($Coro::current != $Coro::main) {
		3803	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3804	unless ++$bug_warning > 10;
		3805	return;
		3806	}
		3807
2404	cf::server_tick; # one server iteration	3808	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		3809
2408	$WAIT_FOR_TICK->broadcast;	3810	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3811	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3812	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3813	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3814	write_runtime_sync
2436	or warn "ERROR: unable to write runtime file: $!";	3815	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3816	};
2438	},	3817	}
2439	);	3818
		3819	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3820	$sig->send;
		3821	}
		3822	while (my $sig = shift @WAIT_FOR_TICK) {
		3823	$sig->send;
		3824	}
		3825
		3826	$LOAD = ($NOW - $TICK_START) / $TICK;
		3827	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3828
		3829	if (0) {
		3830	if ($NEXT_TICK) {
		3831	my $jitter = $TICK_START - $NEXT_TICK;
		3832	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3833	warn "jitter $JITTER\n";#d#
		3834	}
		3835	}
		3836	}
		3837
		3838	{
		3839	# configure BDB
		3840
		3841	BDB::min_parallel 8;
		3842	BDB::max_poll_reqs $TICK * 0.1;
		3843	$AnyEvent::BDB::WATCHER->priority (1);
		3844
		3845	unless ($DB_ENV) {
		3846	$DB_ENV = BDB::db_env_create;
		3847	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3848	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3849	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3850	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3851	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3852
		3853	cf::sync_job {
		3854	eval {
		3855	BDB::db_env_open
		3856	$DB_ENV,
		3857	$BDBDIR,
		3858	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3859	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3860	0666;
		3861
		3862	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3863	};
		3864
		3865	cf::cleanup "db_env_open(db): $@" if $@;
		3866	};
		3867	}
		3868
		3869	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3870	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3871	};
		3872	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3873	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3874	};
		3875	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3876	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3877	};
		3878	}
		3879
		3880	{
		3881	# configure IO::AIO
		3882
		3883	IO::AIO::min_parallel 8;
		3884	IO::AIO::max_poll_time $TICK * 0.1;
		3885	undef $AnyEvent::AIO::WATCHER;
		3886	}
		3887
		3888	my $_log_backtrace;
		3889
		3890	sub _log_backtrace {
		3891	my ($msg, @addr) = @_;
		3892
		3893	$msg =~ s/\n//;
		3894
		3895	# limit the # of concurrent backtraces
		3896	if ($_log_backtrace < 2) {
		3897	++$_log_backtrace;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $msg\n";
		3919	LOG llevInfo, "[ABT] $_\n" for @bt;
		3920	--$_log_backtrace;
		3921	};
		3922	} else {
		3923	LOG llevInfo, "[ABT] $msg\n";
		3924	LOG llevInfo, "[ABT] [suppressed]\n";
		3925	}
		3926	}
		3927
		3928	# load additional modules
		3929	use cf::pod;
2440		3930
2441	END { cf::emergency_save }	3931	END { cf::emergency_save }
2442		3932
2443	1	3933	1
2444		3934

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