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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.235 by root, Tue Apr 10 09:35:23 2007 UTC vs.
Revision 1.423 by root, Sun Apr 20 00:44:13 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV 3.2;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro 4.50 ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::EV;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
20	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
21		47
		48	use JSON::XS 2.01 ();
22	use BDB ();	49	use BDB ();
23	use Data::Dumper;	50	use Data::Dumper;
24	use Digest::MD5;	51	use Digest::MD5;
25	use Fcntl;	52	use Fcntl;
26	use YAML::Syck ();	53	use YAML ();
27	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
28	use Time::HiRes;	55	use Time::HiRes;
29	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
30		58
31	# configure various modules to our taste	59	# configure various modules to our taste
32	#	60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		64
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		66
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		68
45	our %COMMAND = ();	69	our %COMMAND = ();
46	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
47		71
48	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
52		77
53	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
54	our @EVENT;	79	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		80
57	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
59	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	97	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		99
65	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	104	our $DB_ENV;
67		105
68	our %CFG;	106	our %CFG;
69		107
70	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
72		111
73	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		115
82	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
85	binmode STDOUT;	124	binmode STDOUT;
86	binmode STDERR;	125	binmode STDERR;
87		126
88	# read virtual server time, if available	127	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
93	}	132	}
94		133
95	mkdir cf::localdir;	134	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		136
102	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
103		138
104	sub cf::map::normalise;	139	sub cf::map::normalise;
105		140
…		…
116	=item $cf::RUNTIME	151	=item $cf::RUNTIME
117		152
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	154	every server tick.
120		155
121	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		159
123	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
125		164
126	=item $cf::NOW	165	=item $cf::NOW
127		166
128	The time of the last (current) server tick.	167	The time of the last (current) server tick.
129		168
130	=item $cf::TICK	169	=item $cf::TICK
131		170
132	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
133		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
134	=item %cf::CFG	183	=item %cf::CFG
135		184
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	186	from wherever your confdir points to.
138		187
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		189
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
145		199
146	=back	200	=back
147		201
148	=cut	202	=cut
149		203
150	BEGIN {	204	BEGIN {
151	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	206	my $msg = join "", @_;
153	utf8::encode $msg;
154		207
155	$msg .= "\n"	208	$msg .= "\n"
156	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
157		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
158	LOG llevError, $msg;	213	LOG llevError, $msg;
159	};	214	};
160	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
161		231
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		239
169	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	241	# within the Safe compartment.
171	for my $pkg (qw(	242	for my $pkg (qw(
172	cf::global cf::attachable	243	cf::global cf::attachable
…		…
177	)) {	248	)) {
178	no strict 'refs';	249	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	251	}
181		252
182	$Event::DIED = sub {	253	$EV::DIED = sub {
183	warn "error in event callback: @_";	254	warn "error in event callback: @_";
184	};	255	};
		256
		257	#############################################################################
185		258
186	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
187		260
188	=over 4	261	=over 4
189		262
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	282	$d
210	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
211	}	284	}
212		285
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
216		287
217	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
218		289
219	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
220		291
221	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
222		300
223	=item cf::lock_wait $string	301	=item cf::lock_wait $string
224		302
225	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
226		304
…		…
229	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
232	returned.	310	returned.
233		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
234	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
236		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
237	=cut	322	=cut
238		323
239	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
240		326
241	sub lock_wait($) {	327	sub lock_wait($) {
242	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
243		334
244	# wait for lock, if any	335	# wait for lock, if any
245	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	338	Coro::schedule;
…		…
253		344
254	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
255	lock_wait $key;	346	lock_wait $key;
256		347
257	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
258		350
259	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
262	}	355	}
263	}	356	}
264		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
265	sub freeze_mainloop {	364	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
267		366
268	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
270	};	428	}
271	$TICK_WATCHER->stop;	429	};
272	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
273	}	443	}
274		444
275	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
276		446
277	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		452
283	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
284		454
285	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
286		456
287	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
290		461
291	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
294	fast or be very important.	465	fast or be very important.
…		…
297		468
298	sub sync_job(&) {	469	sub sync_job(&) {
299	my ($job) = @_;	470	my ($job) = @_;
300		471
301	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
302	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
304		477
305	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	479
307	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
308		481
309	my $busy = 1;	482	my $busy = 1;
310	my @res;	483	my @res;
311		484
312	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	487	@res = eval { $job->() };
314	warn $@ if $@;	488	warn $@ if $@;
315	undef $busy;	489	undef $busy;
316	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
317		491
318	while ($busy) {	492	while ($busy) {
319	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
320	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
321		503
322	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
323	} else {	505	} else {
324	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
325		507
…		…
345	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
346		528
347	$coro	529	$coro
348	}	530	}
349		531
350	sub write_runtime {	532	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		533
353	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
354		538
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
356	or return;
357		540
358	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		543
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
363	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
364		547
365	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	549	reset_signals;
367	and return;	550	&$cb
		551	}, @args;
368		552
369	close $fh	553	wantarray ? @res : $res[-1]
370	or return;	554	}
371		555
372	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
373	and return;
374		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
375	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
376	}	708	}
377		709
378	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
379		711
380	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
400		732
401	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	735	Deliantra).
404		736
405	=over 4	737	=over 4
406		738
407	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
408		740
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
572		904
573	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		909
578	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	911	my $pkg = shift @arg;
580		912
581	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
611	}	943	}
612		944
613	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
614	} else {	946	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	948	}
617		949
618	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
619	}	951	}
620		952
…		…
622	if (ref $_[0]) {	954	if (ref $_[0]) {
623	_object_attach @_;	955	_object_attach @_;
624	} else {	956	} else {
625	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
626	}	958	}
		959	_recalc_want;
627	};	960	};
628		961
629	# all those should be optimised	962	# all those should be optimised
630	sub cf::attachable::detach {	963	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
635	reattach ($obj);	968	reattach ($obj);
636	} else {	969	} else {
637	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
638	}	971	}
		972	_recalc_want;
639	};	973	};
640		974
641	sub cf::attachable::attached {	975	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
643		977
…		…
658	";	992	";
659	die if $@;	993	die if $@;
660	}	994	}
661		995
662	our $override;	996	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		998
665	sub override {	999	sub override {
666	$override = 1;	1000	$override = 1;
667	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
668	}	1002	}
669		1003
670	sub do_invoke {	1004	sub do_invoke {
671	my $event = shift;	1005	my $event = shift;
672	my $callbacks = shift;	1006	my $callbacks = shift;
673		1007
674	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
675		1009
676	local $override;	1010	local $override;
677		1011
678	for (@$callbacks) {	1012	for (@$callbacks) {
679	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
688	}	1022	}
689		1023
690	0	1024	0
691	}	1025	}
692		1026
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1028
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1030
697	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
698		1032
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1036
703	=back	1037	=back
704		1038
705	=cut	1039	=cut
706		1040
707	#############################################################################	1041	#############################################################################
708	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
709		1085
710	sub reattach {	1086	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1088	my ($obj) = @_;
713		1089
…		…
734	cf::attachable->attach (	1110	cf::attachable->attach (
735	prio => -1000000,	1111	prio => -1000000,
736	on_instantiate => sub {	1112	on_instantiate => sub {
737	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
738		1114
739	$data = from_json $data;	1115	$data = decode_json $data;
740		1116
741	for (@$data) {	1117	for (@$data) {
742	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
743		1119
744	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1136	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
762		1138
763	sync_job {	1139	sync_job {
764	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
767		1144
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1149	close $fh;
773		1150
774	if (@$objs) {	1151	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1157	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
782	}	1159	}
…		…
790	}	1167	}
791	} else {	1168	} else {
792	aio_unlink $filename;	1169	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
794	}	1171	}
795	}	1172	};
796	}	1173	}
797		1174
798	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
800		1177
…		…
812	or return;	1189	or return;
813		1190
814	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
816	or return;	1193	or return;
		1194
817	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
818	}	1197	}
819		1198
		1199	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
822	return ($data, $av);	1203	($data, $av)
823	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
824		1211
825	#############################################################################	1212	#############################################################################
826	# command handling &c	1213	# command handling &c
827		1214
828	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1229	}
843		1230
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1232
846	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
847		1238
848	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
849	called.	1240	called.
850		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
851	=cut	1253	=cut
852		1254
853	sub register_extcmd {	1255	sub register_extcmd {
854	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
855		1257
856	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
857	}	1265	}
858		1266
859	cf::player->attach (	1267	cf::player->attach (
860	on_command => sub {	1268	on_command => sub {
861	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1278	cf::override;
871	},	1279	},
872	on_extcmd => sub {	1280	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
874		1282
875	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1284
877	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
883	} else {	1300	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1302	}
886		1303
887	cf::override;	1304	cf::override;
888	},	1305	},
889	);	1306	);
890		1307
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
926	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1313	next unless -r $path;
928	eval {	1314
929	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
930	1	1371	}
931	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
932	}	1377	};
933	}	1378	}
934		1379
935	#############################################################################	1380	#############################################################################
936		1381
		1382	=back
		1383
937	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
938		1385
939	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
940		1387
941	=cut	1388	=cut
…		…
946		1393
947	=head3 cf::player	1394	=head3 cf::player
948		1395
949	=over 4	1396	=over 4
950		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
951	=item cf::player::find $login	1412	=item cf::player::find $login
952		1413
953	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
954		1415
955	=cut	1416	=cut
956		1417
957	sub playerdir($) {	1418	sub playerdir($) {
958	cf::localdir	1419	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1421	}
964		1422
965	sub path($) {	1423	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
997		1455
998	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
999	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1000	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1001	}	1464	}
1002	}	1465	}
1003	}	1466	}
1004		1467
…		…
1013	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1014		1477
1015	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1017		1480
		1481	cf::get_slot 0.01;
		1482
1018	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1019	Coro::cede;	1484	cf::cede_to_tick;
1020	}	1485	}
1021		1486
1022	sub new($) {	1487	sub new($) {
1023	my ($login) = @_;	1488	my ($login) = @_;
1024		1489
…		…
1028	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1029		1494
1030	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1031		1496
1032	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1033	}	1508	}
1034		1509
1035	=item $pl->quit_character	1510	=item $pl->quit_character
1036		1511
1037	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1086	while and may block, so not sync_job-capable, ever.	1561	while and may block, so not sync_job-capable, ever.
1087		1562
1088	=cut	1563	=cut
1089		1564
1090	sub list_logins {	1565	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1566	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1567	or return [];
1093		1568
1094	my @logins;	1569	my @logins;
1095		1570
1096	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1100		1580
1101	utf8::decode $login;	1581	utf8::decode $login;
1102	push @logins, $login;	1582	push @logins, $login;
1103	}	1583	}
1104		1584
…		…
1131	}	1611	}
1132		1612
1133	\@paths	1613	\@paths
1134	}	1614	}
1135		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1136	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1137		1710
1138	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1139		1712
1140	=cut	1713	=cut
1141		1714
1142	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1144		1717
1145	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1719	}
1149		1720
1150	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1151		1722
1152	Sends an ext event to the client.	1723	Sends an ext event to the client.
1153		1724
1154	=cut	1725	=cut
1155		1726
1156	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1158		1729
1159	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1160	}	1731	}
1161		1732
1162	package cf;	1733	=head3 cf::region
		1734
		1735	=over 4
		1736
		1737	=cut
		1738
		1739	package cf::region;
		1740
		1741	=item cf::region::find_by_path $path
		1742
		1743	Tries to decuce the likely region for a map knowing only its path.
		1744
		1745	=cut
		1746
		1747	sub find_by_path($) {
		1748	my ($path) = @_;
		1749
		1750	my ($match, $specificity);
		1751
		1752	for my $region (list) {
		1753	if ($region->{match} && $path =~ $region->{match}) {
		1754	($match, $specificity) = ($region, $region->specificity)
		1755	if $region->specificity > $specificity;
		1756	}
		1757	}
		1758
		1759	$match
		1760	}
1163		1761
1164	=back	1762	=back
1165
1166		1763
1167	=head3 cf::map	1764	=head3 cf::map
1168		1765
1169	=over 4	1766	=over 4
1170		1767
…		…
1182	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1184		1781
1185	sub generate_random_map {	1782	sub generate_random_map {
1186	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1187	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1788	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1225	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1226		1826
1227	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1228	local $self->{path};	1828	local $self->{path};
1229	local $self->{load_path};	1829	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1830
1233	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1234	}	1832	}
1235		1833
1236	sub normalise {	1834	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1284	return $self;	1882	return $self;
1285	}	1883	}
1286	}	1884	}
1287		1885
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1887	()
1290	}	1888	}
1291		1889
1292	sub init {	1890	sub init {
1293	my ($self) = @_;	1891	my ($self) = @_;
…		…
1308		1906
1309	# the original (read-only) location	1907	# the original (read-only) location
1310	sub load_path {	1908	sub load_path {
1311	my ($self) = @_;	1909	my ($self) = @_;
1312		1910
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1314	}	1912	}
1315		1913
1316	# the temporary/swap location	1914	# the temporary/swap location
1317	sub save_path {	1915	sub save_path {
1318	my ($self) = @_;	1916	my ($self) = @_;
1319		1917
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1322	}	1920	}
1323		1921
1324	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1325	sub uniq_path {	1923	sub uniq_path {
1326	my ($self) = @_;	1924	my ($self) = @_;
1327		1925
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1330	}	1928	}
1331		1929
1332	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1333	# all maps in C++...	1931	# all maps in C++...
1334	sub change_all_map_light {	1932	sub change_all_map_light {
…		…
1336		1934
1337	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1339	}	1937	}
1340		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1341	sub unlink_save {	1947	sub unlink_save {
1342	my ($self) = @_;	1948	my ($self) = @_;
1343		1949
1344	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1348		1954
1349	sub load_header_from($) {	1955	sub load_header_from($) {
1350	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1351		1957
1352	utf8::encode $path;	1958	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1358		1967
1359	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1360		1969
1361	1	1970	1
1362	}	1971	}
…		…
1401	$self->load_header_orig	2010	$self->load_header_orig
1402	or return;	2011	or return;
1403	$self->prepare_orig;	2012	$self->prepare_orig;
1404	}	2013	}
1405		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
		2018	$self->default_region (cf::region::find_by_path $self->{path})
		2019	unless $self->default_region;
		2020
1406	1	2021	1
1407	}	2022	}
1408		2023
1409	sub find;	2024	sub find;
1410	sub find {	2025	sub find {
1411	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1412		2027
1413	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1414		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1416		2032
1417	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1419	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1420	or return;	2038	or return;
1421		2039
1422	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1423		2041
1424	$map->load_header	2042	$map->load_header
1425	or return;	2043	or return;
1426		2044
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1430	$map->reset;	2050	$map->reset;
1431	undef $guard;
1432	return find $path;	2051	return find $path;
1433	}	2052	}
1434		2053
1435	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1436	}	2055	}
…		…
1443	my ($self) = @_;	2062	my ($self) = @_;
1444		2063
1445	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1446		2065
1447	my $path = $self->{path};	2066	my $path = $self->{path};
		2067
		2068	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1449		2070
		2071	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2073
1452	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1453		2075
1454	$self->alloc;	2076	$self->alloc;
1455		2077
1456	$self->pre_load;	2078	$self->pre_load;
		2079	cf::cede_to_tick;
1457		2080
1458	$self->_load_objects ($self->{load_path}, 1)	2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
		2083	$self->_load_objects ($f)
1459	or return;	2084	or return;
1460		2085
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462	if delete $self->{load_original};	2087	if delete $self->{load_original};
1463		2088
1464	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2090	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2093	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1469	}	2097	}
1470	}	2098	}
1471		2099
1472	Coro::cede;	2100	$f->resolve_delayed_derefs;
1473		2101
		2102	cf::cede_to_tick;
1474	# now do the right thing for maps	2103	# now do the right thing for maps
1475	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2106	unless $self->difficulty;
1485	Coro::cede;	2107	cf::cede_to_tick;
		2108
		2109	unless ($self->{deny_activate}) {
		2110	$self->decay_objects;
		2111	$self->fix_auto_apply;
		2112	$self->update_buttons;
		2113	cf::cede_to_tick;
		2114	$self->set_darkness_map;
		2115	cf::cede_to_tick;
1486	$self->activate;	2116	$self->activate;
		2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1487	}	2123	}
1488		2124
1489	$self->post_load;	2125	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2126	}
1493		2127
1494	sub customise_for {	2128	sub customise_for {
1495	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1496		2130
1497	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2132	if $self->per_player;
1499		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1500	$self	2137	$self
1501	}	2138	}
1502		2139
1503	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2141	sub load_neighbours {
1505	my ($map) = @_;	2142	my ($map) = @_;
1506		2143
1507	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1508		2145
1509	for (0 .. 3) {	2146	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1511	or next;	2148	or next;
1512	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1513	or next;	2150	or next;
1514	$neigh->load;	2151	$neigh->load;
1515		2152
		2153	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2156	}
1519		2157
1520	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1522	or next;	2161	or next;
1523	$neigh->load;	2162	$neigh->load;
1524	}	2163	}
1525	}	2164	}
1526		2165
…		…
1531	}	2170	}
1532		2171
1533	sub do_load_sync {	2172	sub do_load_sync {
1534	my ($map) = @_;	2173	my ($map) = @_;
1535		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1536	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1537	}	2179	}
1538		2180
1539	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1541		2183
1542	sub find_async {	2184	sub find_async {
1543	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1544		2186
1545	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1546		2188
1547	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2191	}
1550		2192
1551	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1552	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1553	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2200	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2201	$map->load if $v;
		2202	}
1558		2203
1559	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1560	}	2205	}
1561	}	2206	}
1562	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1563	};	2208	};
1564	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2212	}
1568		2213
1569	sub save {	2214	sub save {
1570	my ($self) = @_;	2215	my ($self) = @_;
1571		2216
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2218
1574	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1575		2220
1576	return unless $self->dirty;	2221	return unless $self->dirty;
1577		2222
…		…
1583	return if $self->{deny_save};	2228	return if $self->{deny_save};
1584		2229
1585	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1586		2231
1587	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1589	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1590		2238
1591	if ($uniq) {	2239	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2242	} else {
…		…
1600	my ($self) = @_;	2248	my ($self) = @_;
1601		2249
1602	# save first because save cedes	2250	# save first because save cedes
1603	$self->save;	2251	$self->save;
1604		2252
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2254
1607	return if $self->players;	2255	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1609	return if $self->{deny_save};	2257	return if $self->{deny_save};
1610		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2263	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2264	}
1614		2265
1615	sub reset_at {	2266	sub reset_at {
1616	my ($self) = @_;	2267	my ($self) = @_;
1617		2268
1618	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1621		2271
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2274
…		…
1635	my ($self) = @_;	2285	my ($self) = @_;
1636		2286
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2288
1639	return if $self->players;	2289	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2290
1642	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
1643		2292
1644	$self->in_memory (cf::MAP_SWAPPED);	2293	$self->in_memory (cf::MAP_SWAPPED);
1645		2294
1646	# need to save uniques path	2295	# need to save uniques path
1647	unless ($self->{deny_save}) {	2296	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2300	if $uniq;
1652	}	2301	}
1653		2302
1654	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1655		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2307	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2308
1660	$self->unlink_save;	2309	$self->unlink_save;
1661	$self->destroy;	2310	$self->destroy;
1662	}	2311	}
1663		2312
1664	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1665		2314
1666	sub nuke {	2315	sub nuke {
1667	my ($self) = @_;	2316	my ($self) = @_;
1668		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1669	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1670		2322
1671	$self->unlink_save;	2323	$self->unlink_save;
1672		2324
1673	bless $self, "cf::map";	2325	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2330
1679	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1680		2333
1681	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1682	}	2371	}
1683		2372
1684	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1685		2374
1686	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2376	instantiated unique items. May block.
1688		2377
1689	=cut	2378	=cut
1690		2379
1691	sub unique_maps() {	2380	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2381	[
1693	or return;	2382	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2383	utf8::decode $_;
1699	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2386	? ()
1702	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2389	]
1704
1705	\@paths
1706	}	2390	}
1707
1708	package cf;
1709		2391
1710	=back	2392	=back
1711		2393
1712	=head3 cf::object	2394	=head3 cf::object
1713		2395
…		…
1717		2399
1718	=over 4	2400	=over 4
1719		2401
1720	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1721		2403
1722	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1723		2406
1724	=cut	2407	=cut
1725		2408
1726	sub inv_recursive_;	2409	sub inv_recursive_;
1727	sub inv_recursive_ {	2410	sub inv_recursive_ {
1728	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1729	}	2412	}
1730		2413
1731	sub inv_recursive {	2414	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1733	}	2444	}
1734		2445
1735	package cf;	2446	package cf;
1736		2447
1737	=back	2448	=back
…		…
1756		2467
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2469
1759	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1761	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1764	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1765	}	2495	}
1766		2496
1767	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1768		2498
1769	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1816	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1817		2547
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2549
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1822		2552
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2554	}
1825		2555
1826	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1828		2560
1829	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1830		2562
1831	unless ($map) {	2563	unless ($map) {
1832	# restore original map position	2564	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1849		2581
1850	$map->load;	2582	$map->load;
1851	$map->load_diag;	2583	$map->load_neighbours;
1852		2584
1853	return unless $self->contr->active;	2585	return unless $self->contr->active;
1854	$self->activate_recursive;	2586	$self->activate_recursive;
1855		2587
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1858	}	2590	}
1859		2591
1860	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2593
1864	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1868	};	2598	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2599
1874	# try to abort aborted map switching on player login :)
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1895		2603
1896	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2609
1899	$self->enter_link;	2610	$self->enter_link;
1900		2611
1901	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1902	my $map = eval {	2634	my $map = eval {
1903	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
		2639	$map = $check->($map) if $check && $map;
		2640	} else {
		2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
		2643
1905	$map	2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2650	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1910	})->prio (1);	2658	})->prio (1);
1911	}	2659	}
1912		2660
1913	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1914		2662
…		…
1951	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
1952	}	2700	}
1953		2701
1954	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
1955		2703
1956	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
1959		2707
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2710	undef $fh;
1963	aio_rename "$meta~", $meta;	2711	aio_rename "$meta~", $meta;
…		…
1983	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
1985		2733
1986	$self->enter_link;	2734	$self->enter_link;
1987		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
1988	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
1989	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2744	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
1992		2746
1993	1;	2747	1;
…		…
2019		2773
2020	utf8::encode $text;	2774	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2776	}
2023		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
2024	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2025		2903
2026	Sends an exti event to the client.	2904	Sends an ext event to the client.
2027		2905
2028	=cut	2906	=cut
2029		2907
2030	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2032		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2035	}	2935	}
2036		2936
2037	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2038		2938
2039	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2942
2043	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2944	become reliable at some point in the future.
2045		2945
2046	=cut	2946	=cut
2047		2947
2048	sub cf::client::query {	2948	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2957	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2959
2060	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2062	}	2964	}
2063		2965
2064	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2065	on_reply => sub {	2972	on_reply => sub {
2066	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2067		2974
2068	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2069	# get handled first	2976	# get handled first
…		…
2081	} else {	2988	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2990	}
2084	}	2991	}
2085	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2086	);	3019	);
2087		3020
2088	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2089		3022
2090	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2133		3066
2134	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2135		3068
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2137		3074
2138	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2139		3076
2140	=pod	3077	=pod
2141		3078
2142	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2143		3080
2144	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease_ob_nr
		3084
2145	cf::object::player player	3085	cf::object::player
2146	cf::player peaceful	3086	player
2147	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2148		3093
2149	=cut	3094	=cut
2150		3095
2151	for (	3096	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2153	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2156	) {	3103	) {
2157	no strict 'refs';	3104	no strict 'refs';
…		…
2228	=back	3175	=back
2229		3176
2230	=cut	3177	=cut
2231		3178
2232	#############################################################################	3179	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	3180	# the server's init and main functions
2306		3181
2307	sub load_facedata {	3182	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3190
2310	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2311		3192
2312	my $faces;	3193	my $facedata;
2313	0 < aio_load $path, $faces	3194	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3195	or die "$path: $!";
2315		3196
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	3197	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3198
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	3199	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
		3209	{
		3210	my $faces = $facedata->{faceinfo};
		3211
2324	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3214
		3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2329	Coro::cede;
2330	}
2331		3219
		3220	cf::cede_to_tick;
		3221	}
		3222
2332	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2334	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2335	or next;	3227	or next;
		3228
2336	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2337	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2338	} else {	3232	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}	3234	}
2341	Coro::cede;	3235
		3236	cf::cede_to_tick;
		3237	}
		3238	}
		3239
2342	}	3240	{
		3241	my $anims = $facedata->{animinfo};
		3242
		3243	while (my ($anim, $info) = each %$anims) {
		3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3245	cf::cede_to_tick;
		3246	}
		3247
		3248	cf::anim::invalidate_all; # d'oh
		3249	}
		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2343		3285
2344	1	3286	1
2345	}	3287	}
2346		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321	$status
		3322	}
		3323
		3324	sub reload_regions {
		3325	# HACK to clear player env face cache, we need some signal framework
		3326	# for this (global event?)
		3327	%ext::player_env::MUSIC_FACE_CACHE = ();
		3328
		3329	load_resource_file "$MAPDIR/regions"
		3330	or die "unable to load regions file\n";
		3331
		3332	for (cf::region::list) {
		3333	$_->{match} = qr/$_->{match}/
		3334	if exists $_->{match};
		3335	}
		3336	}
		3337
		3338	sub reload_facedata {
		3339	load_facedata "$DATADIR/facedata"
		3340	or die "unable to load facedata\n";
		3341	}
		3342
		3343	sub reload_archetypes {
		3344	load_resource_file "$DATADIR/archetypes"
		3345	or die "unable to load archetypes\n";
		3346	}
		3347
		3348	sub reload_treasures {
		3349	load_resource_file "$DATADIR/treasures"
		3350	or die "unable to load treasurelists\n";
		3351	}
		3352
2347	sub reload_resources {	3353	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3354	warn "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	3355
2350	load_facedata	3356	reload_facedata;
2351	or die "unable to load facedata\n";#d#	3357	reload_archetypes;
		3358	reload_regions;
		3359	reload_treasures;
		3360
		3361	warn "finished reloading resource files\n";
2352	}	3362	}
2353		3363
2354	sub init {	3364	sub init {
		3365	my $guard = freeze_mainloop;
		3366
2355	reload_resources;	3367	reload_resources;
2356	}	3368	}
2357		3369
2358	sub cfg_load {	3370	sub reload_config {
2359	open my $fh, "<:utf8", cf::confdir . "/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
2360	or return;	3372	or return;
2361		3373
2362	local $/;	3374	local $/;
2363	*CFG = YAML::Syck::Load <$fh>;	3375	*CFG = YAML::Load <$fh>;
2364		3376
2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2366		3378
2367	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2368	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2379	sub main {	3391	sub main {
2380	# we must not ever block the main coroutine	3392	# we must not ever block the main coroutine
2381	local $Coro::idle = sub {	3393	local $Coro::idle = sub {
2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3394	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383	(async {	3395	(async {
2384	Event::one_event;	3396	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3397	EV::loop EV::LOOP_ONESHOT;
2385	})->prio (Coro::PRIO_MAX);	3398	})->prio (Coro::PRIO_MAX);
2386	};	3399	};
2387		3400
2388	cfg_load;	3401	{
		3402	my $guard = freeze_mainloop;
		3403	reload_config;
2389	db_init;	3404	db_init;
2390	load_extensions;	3405	load_extensions;
2391		3406
2392	$TICK_WATCHER->start;	3407	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3408	evthread_start IO::AIO::poll_fileno;
		3409	}
		3410
2393	Event::loop;	3411	EV::loop;
2394	}	3412	}
2395		3413
2396	#############################################################################	3414	#############################################################################
2397	# initialisation and cleanup	3415	# initialisation and cleanup
2398		3416
2399	# install some emergency cleanup handlers	3417	# install some emergency cleanup handlers
2400	BEGIN {	3418	BEGIN {
		3419	our %SIGWATCHER = ();
2401	for my $signal (qw(INT HUP TERM)) {	3420	for my $signal (qw(INT HUP TERM)) {
2402	Event->signal (	3421	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2403	reentrant => 0,
2404	data => WF_AUTOCANCEL,
2405	signal => $signal,
2406	prio => 0,
2407	cb => sub {
2408	cf::cleanup "SIG$signal";	3422	cf::cleanup "SIG$signal";
2409	},
2410	);	3423	};
		3424	}
		3425	}
		3426
		3427	sub write_runtime_sync {
		3428	my $runtime = "$LOCALDIR/runtime";
		3429
		3430	# first touch the runtime file to show we are still running:
		3431	# the fsync below can take a very very long time.
		3432
		3433	IO::AIO::aio_utime $runtime, undef, undef;
		3434
		3435	my $guard = cf::lock_acquire "write_runtime";
		3436
		3437	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3438	or return;
		3439
		3440	my $value = $cf::RUNTIME + 90 + 10;
		3441	# 10 is the runtime save interval, for a monotonic clock
		3442	# 60 allows for the watchdog to kill the server.
		3443
		3444	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3445	and return;
		3446
		3447	# always fsync - this file is important
		3448	aio_fsync $fh
		3449	and return;
		3450
		3451	# touch it again to show we are up-to-date
		3452	aio_utime $fh, undef, undef;
		3453
		3454	close $fh
		3455	or return;
		3456
		3457	aio_rename "$runtime~", $runtime
		3458	and return;
		3459
		3460	warn "runtime file written.\n";
		3461
2411	}	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2412	}	3506	}
2413		3507
2414	sub emergency_save() {	3508	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2416		3510
…		…
2422	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2423	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2424	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2425	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2426	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427	$pl->save;	3522	$pl->save;
2428	}	3523	}
2429	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2430		3525
2431	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2437	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
2438		3533
2439	warn "begin emergency database checkpoint\n";	3534	warn "begin emergency database checkpoint\n";
2440	BDB::db_env_txn_checkpoint $DB_ENV;	3535	BDB::db_env_txn_checkpoint $DB_ENV;
2441	warn "end emergency database checkpoint\n";	3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2442	};	3541	};
2443		3542
2444	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2445	}	3544	}
2446		3545
…		…
2449		3548
2450	warn Carp::longmess "post_cleanup backtrace"	3549	warn Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	3550	if $make_core;
2452	}	3551	}
2453		3552
2454	sub reload() {	3553	sub do_reload_perl() {
2455	# can/must only be called in main	3554	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	3555	if ($Coro::current != $Coro::main) {
2457	warn "can only reload from main coroutine";	3556	warn "can only reload from main coroutine";
2458	return;	3557	return;
2459	}	3558	}
…		…
2461	warn "reloading...";	3560	warn "reloading...";
2462		3561
2463	warn "entering sync_job";	3562	warn "entering sync_job";
2464		3563
2465	cf::sync_job {	3564	cf::sync_job {
2466	cf::write_runtime; # external watchdog should not bark	3565	cf::write_runtime_sync; # external watchdog should not bark
2467	cf::emergency_save;	3566	cf::emergency_save;
2468	cf::write_runtime; # external watchdog should not bark	3567	cf::write_runtime_sync; # external watchdog should not bark
2469		3568
2470	warn "syncing database to disk";	3569	warn "syncing database to disk";
2471	BDB::db_env_txn_checkpoint $DB_ENV;	3570	BDB::db_env_txn_checkpoint $DB_ENV;
2472		3571
2473	# if anything goes wrong in here, we should simply crash as we already saved	3572	# if anything goes wrong in here, we should simply crash as we already saved
2474
2475	warn "cancelling all WF_AUTOCANCEL watchers";
2476	for (Event::all_watchers) {
2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2478	}
2479		3573
2480	warn "flushing outstanding aio requests";	3574	warn "flushing outstanding aio requests";
2481	for (;;) {	3575	for (;;) {
2482	BDB::flush;	3576	BDB::flush;
2483	IO::AIO::flush;	3577	IO::AIO::flush;
2484	Coro::cede;	3578	Coro::cede_notself;
2485	last unless IO::AIO::nreqs || BDB::nreqs;	3579	last unless IO::AIO::nreqs || BDB::nreqs;
2486	warn "iterate...";	3580	warn "iterate...";
2487	}	3581	}
2488		3582
2489	++$RELOAD;	3583	++$RELOAD;
…		…
2493	%EXT_CORO = ();	3587	%EXT_CORO = ();
2494		3588
2495	warn "removing commands";	3589	warn "removing commands";
2496	%COMMAND = ();	3590	%COMMAND = ();
2497		3591
2498	warn "removing ext commands";	3592	warn "removing ext/exti commands";
2499	%EXTCMD = ();	3593	%EXTCMD = ();
		3594	%EXTICMD = ();
2500		3595
2501	warn "unloading/nuking all extensions";	3596	warn "unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {	3597	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";	3598	warn "... unloading $pkg";
2504		3599
…		…
2534	Symbol::delete_package "safe::$_"	3629	Symbol::delete_package "safe::$_"
2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3630	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536		3631
2537	warn "unloading cf.pm \"a bit\"";	3632	warn "unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3633	delete $INC{"cf.pm"};
		3634	delete $INC{"cf/pod.pm"};
2539		3635
2540	# don't, removes xs symbols, too,	3636	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3637	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3638	#Symbol::delete_package __PACKAGE__;
2543		3639
…		…
2546	warn "reloading cf.pm";	3642	warn "reloading cf.pm";
2547	require cf;	3643	require cf;
2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3644	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2549		3645
2550	warn "loading config and database again";	3646	warn "loading config and database again";
2551	cf::cfg_load;	3647	cf::reload_config;
2552		3648
2553	warn "loading extensions";	3649	warn "loading extensions";
2554	cf::load_extensions;	3650	cf::load_extensions;
2555		3651
2556	warn "reattaching attachments to objects/players";	3652	warn "reattaching attachments to objects/players";
…		…
2558	warn "reattaching attachments to maps";	3654	warn "reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3655	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3656	warn "reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3657	reattach $_ for values %PLAYER;
2562		3658
2563	warn "loading reloadable resources";
2564	reload_resources;
2565
2566	warn "leaving sync_job";	3659	warn "leaving sync_job";
2567		3660
2568	1	3661	1
2569	} or do {	3662	} or do {
2570	warn $@;	3663	warn $@;
2571	warn "error while reloading, exiting.";	3664	cf::cleanup "error while reloading, exiting.";
2572	exit 1;
2573	};	3665	};
2574		3666
2575	warn "reloaded";	3667	warn "reloaded";
2576	};	3668	};
2577		3669
2578	our $RELOAD_WATCHER; # used only during reload	3670	our $RELOAD_WATCHER; # used only during reload
2579		3671
		3672	sub reload_perl() {
		3673	# doing reload synchronously and two reloads happen back-to-back,
		3674	# coro crashes during coro_state_free->destroy here.
		3675
		3676	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3677	do_reload_perl;
		3678	undef $RELOAD_WATCHER;
		3679	};
		3680	}
		3681
2580	register_command "reload" => sub {	3682	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	3683	my ($who, $arg) = @_;
2582		3684
2583	if ($who->flag (FLAG_WIZ)) {	3685	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	3686	$who->message ("reloading server.");
2585		3687	async {
2586	# doing reload synchronously and two reloads happen back-to-back,	3688	$Coro::current->{desc} = "perl_reload";
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;	3689	reload_perl;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);	3690	};
2598	}	3691	}
2599	};	3692	};
2600		3693
2601	unshift @INC, $LIBDIR;	3694	unshift @INC, $LIBDIR;
2602		3695
2603	my $bug_warning = 0;	3696	my $bug_warning = 0;
2604		3697
2605	$TICK_WATCHER = Event->timer (	3698	our @WAIT_FOR_TICK;
2606	reentrant => 0,	3699	our @WAIT_FOR_TICK_BEGIN;
2607	parked => 1,	3700
2608	prio => 0,	3701	sub wait_for_tick {
2609	at => $NEXT_TICK || $TICK,	3702	return if tick_inhibit || $Coro::current == $Coro::main;
2610	data => WF_AUTOCANCEL,	3703
2611	cb => sub {	3704	my $signal = new Coro::Signal;
		3705	push @WAIT_FOR_TICK, $signal;
		3706	$signal->wait;
		3707	}
		3708
		3709	sub wait_for_tick_begin {
		3710	return if tick_inhibit || $Coro::current == $Coro::main;
		3711
		3712	my $signal = new Coro::Signal;
		3713	push @WAIT_FOR_TICK_BEGIN, $signal;
		3714	$signal->wait;
		3715	}
		3716
		3717	sub tick {
2612	if ($Coro::current != $Coro::main) {	3718	if ($Coro::current != $Coro::main) {
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3719	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	3720	unless ++$bug_warning > 10;
2615	return;	3721	return;
2616	}	3722	}
2617		3723
2618	$NOW = Event::time;
2619
2620	cf::server_tick; # one server iteration	3724	cf::server_tick; # one server iteration
2621	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;
2623		3725
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3726	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	3727	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626	Coro::async_pool {	3728	Coro::async_pool {
		3729	$Coro::current->{desc} = "runtime saver";
2627	write_runtime	3730	write_runtime_sync
2628	or warn "ERROR: unable to write runtime file: $!";	3731	or warn "ERROR: unable to write runtime file: $!";
2629	};
2630	}	3732	};
2631
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#
2637
2638	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2640
2641	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;
2643	},	3733	}
2644	);	3734
		3735	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3736	$sig->send;
		3737	}
		3738	while (my $sig = shift @WAIT_FOR_TICK) {
		3739	$sig->send;
		3740	}
		3741
		3742	$LOAD = ($NOW - $TICK_START) / $TICK;
		3743	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3744
		3745	if (0) {
		3746	if ($NEXT_TICK) {
		3747	my $jitter = $TICK_START - $NEXT_TICK;
		3748	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3749	warn "jitter $JITTER\n";#d#
		3750	}
		3751	}
		3752	}
2645		3753
2646	{	3754	{
2647	BDB::max_poll_time $TICK * 0.1;	3755	# configure BDB
2648	$BDB_POLL_WATCHER = Event->io (	3756
2649	reentrant => 0,
2650	fd => BDB::poll_fileno,
2651	poll => 'r',
2652	prio => 0,
2653	data => WF_AUTOCANCEL,
2654	cb => \&BDB::poll_cb,
2655	);
2656	BDB::min_parallel 8;	3757	BDB::min_parallel 8;
2657		3758	BDB::max_poll_reqs $TICK * 0.1;
2658	BDB::set_sync_prepare {	3759	$Coro::BDB::WATCHER->priority (1);
2659	my $status;
2660	my $current = $Coro::current;
2661	(
2662	sub {
2663	$status = $!;
2664	$current->ready; undef $current;
2665	},
2666	sub {
2667	Coro::schedule while defined $current;
2668	$! = $status;
2669	},
2670	)
2671	};
2672		3760
2673	unless ($DB_ENV) {	3761	unless ($DB_ENV) {
2674	$DB_ENV = BDB::db_env_create;	3762	$DB_ENV = BDB::db_env_create;
		3763	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3764	| BDB::LOG_AUTOREMOVE, 1);
		3765	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3766	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2675		3767
2676	cf::sync_job {	3768	cf::sync_job {
2677	eval {	3769	eval {
2678	BDB::db_env_open	3770	BDB::db_env_open
2679	$DB_ENV,	3771	$DB_ENV,
2680	$BDB_ENV_DIR,	3772	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3773	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3774	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	3775	0666;
2684		3776
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3777	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;
2689	};	3778	};
2690		3779
2691	cf::cleanup "db_env_open(db): $@" if $@;	3780	cf::cleanup "db_env_open(db): $@" if $@;
2692	};	3781	};
2693	}	3782	}
		3783
		3784	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3785	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3786	};
		3787	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3788	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3789	};
		3790	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3791	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3792	};
2694	}	3793	}
2695		3794
2696	{	3795	{
		3796	# configure IO::AIO
		3797
2697	IO::AIO::min_parallel 8;	3798	IO::AIO::min_parallel 8;
2698
2699	undef $Coro::AIO::WATCHER;
2700	IO::AIO::max_poll_time $TICK * 0.1;	3799	IO::AIO::max_poll_time $TICK * 0.1;
2701	$AIO_POLL_WATCHER = Event->io (	3800	$Coro::AIO::WATCHER->priority (1);
2702	reentrant => 0,
2703	data => WF_AUTOCANCEL,
2704	fd => IO::AIO::poll_fileno,
2705	poll => 'r',
2706	prio => 6,
2707	cb => \&IO::AIO::poll_cb,
2708	);
2709	}	3801	}
		3802
		3803	my $_log_backtrace;
		3804
		3805	sub _log_backtrace {
		3806	my ($msg, @addr) = @_;
		3807
		3808	$msg =~ s/\n//;
		3809
		3810	# limit the # of concurrent backtraces
		3811	if ($_log_backtrace < 2) {
		3812	++$_log_backtrace;
		3813	async {
		3814	$Coro::current->{desc} = "abt $msg";
		3815
		3816	my @bt = fork_call {
		3817	@addr = map { sprintf "%x", $_ } @addr;
		3818	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3819	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3820	or die "addr2line: $!";
		3821
		3822	my @funcs;
		3823	my @res = <$fh>;
		3824	chomp for @res;
		3825	while (@res) {
		3826	my ($func, $line) = splice @res, 0, 2, ();
		3827	push @funcs, "[$func] $line";
		3828	}
		3829
		3830	@funcs
		3831	};
		3832
		3833	LOG llevInfo, "[ABT] $msg\n";
		3834	LOG llevInfo, "[ABT] $_\n" for @bt;
		3835	--$_log_backtrace;
		3836	};
		3837	} else {
		3838	LOG llevInfo, "[ABT] $msg\n";
		3839	LOG llevInfo, "[ABT] [suppressed]\n";
		3840	}
		3841	}
		3842
		3843	# load additional modules
		3844	use cf::pod;
2710		3845
2711	END { cf::emergency_save }	3846	END { cf::emergency_save }
2712		3847
2713	1	3848	1
2714		3849

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