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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.427 by root, Sat Apr 26 12:25:45 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"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	719	}
377		720
378	=back	721	=back
379		722
380	=cut	723	=cut
…		…
387	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")
388	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
389		732
390	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>
391	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
392	crossfire+).	735	Deliantra).
393		736
394	=over 4	737	=over 4
395		738
396	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
397		740
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
561		904
562	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		909
567	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	911	my $pkg = shift @arg;
569		912
570	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
600	}	943	}
601		944
602	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
603	} else {	946	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	948	}
606		949
607	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
608	}	951	}
609		952
…		…
611	if (ref $_[0]) {	954	if (ref $_[0]) {
612	_object_attach @_;	955	_object_attach @_;
613	} else {	956	} else {
614	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
615	}	958	}
		959	_recalc_want;
616	};	960	};
617		961
618	# all those should be optimised	962	# all those should be optimised
619	sub cf::attachable::detach {	963	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
624	reattach ($obj);	968	reattach ($obj);
625	} else {	969	} else {
626	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
627	}	971	}
		972	_recalc_want;
628	};	973	};
629		974
630	sub cf::attachable::attached {	975	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
632		977
…		…
647	";	992	";
648	die if $@;	993	die if $@;
649	}	994	}
650		995
651	our $override;	996	our $override;
652	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?
653		998
654	sub override {	999	sub override {
655	$override = 1;	1000	$override = 1;
656	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
657	}	1002	}
658		1003
659	sub do_invoke {	1004	sub do_invoke {
660	my $event = shift;	1005	my $event = shift;
661	my $callbacks = shift;	1006	my $callbacks = shift;
662		1007
663	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
664		1009
665	local $override;	1010	local $override;
666		1011
667	for (@$callbacks) {	1012	for (@$callbacks) {
668	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
677	}	1022	}
678		1023
679	0	1024	0
680	}	1025	}
681		1026
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1028
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1030
686	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
687		1032
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1036
692	=back	1037	=back
693		1038
694	=cut	1039	=cut
695		1040
696	#############################################################################	1041	#############################################################################
697	# 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, $ob2
		1084	}
698		1085
699	sub reattach {	1086	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1088	my ($obj) = @_;
702		1089
…		…
723	cf::attachable->attach (	1110	cf::attachable->attach (
724	prio => -1000000,	1111	prio => -1000000,
725	on_instantiate => sub {	1112	on_instantiate => sub {
726	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
727		1114
728	$data = from_json $data;	1115	$data = decode_json $data;
729		1116
730	for (@$data) {	1117	for (@$data) {
731	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
732		1119
733	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1136	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
751		1138
752	sync_job {	1139	sync_job {
753	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
756		1144
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1149	aio_close $fh;
762		1150
763	if (@$objs) {	1151	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1157	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
771	}	1159	}
772	} else {	1160	} else {
773	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
774	}	1162	}
…		…
779	}	1167	}
780	} else {	1168	} else {
781	aio_unlink $filename;	1169	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
783	}	1171	}
784	}	1172	};
785	}	1173	}
786		1174
787	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
789		1177
…		…
801	or return;	1189	or return;
802		1190
803	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
805	or return;	1193	or return;
		1194
806	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
807	}	1197	}
808		1198
		1199	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
811	return ($data, $av);	1203	($data, $av)
812	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
813		1211
814	#############################################################################	1212	#############################################################################
815	# command handling &c	1213	# command handling &c
816		1214
817	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1229	}
832		1230
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1232
835	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.
836		1238
837	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
838	called.	1240	called.
839		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
840	=cut	1253	=cut
841		1254
842	sub register_extcmd {	1255	sub register_extcmd {
843	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
844		1257
845	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
846	}	1265	}
847		1266
848	cf::player->attach (	1267	cf::player->attach (
849	on_command => sub {	1268	on_command => sub {
850	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1278	cf::override;
860	},	1279	},
861	on_extcmd => sub {	1280	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
863		1282
864	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1284
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
872	} else {	1300	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1302	}
875		1303
876	cf::override;	1304	cf::override;
877	},	1305	},
878	);	1306	);
879		1307
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
915	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1313	next unless -r $path;
917	eval {	1314
918	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	$progress = 1;
919	1	1371	}
920	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
921	}	1377	};
922	}	1378	}
923		1379
924	#############################################################################	1380	#############################################################################
925		1381
		1382	=back
		1383
926	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
927		1385
928	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
929		1387
930	=cut	1388	=cut
…		…
935		1393
936	=head3 cf::player	1394	=head3 cf::player
937		1395
938	=over 4	1396	=over 4
939		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
940	=item cf::player::find $login	1412	=item cf::player::find $login
941		1413
942	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
943		1415
944	=cut	1416	=cut
945		1417
946	sub playerdir($) {	1418	sub playerdir($) {
947	cf::localdir	1419	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1421	}
953		1422
954	sub path($) {	1423	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1425
957	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
958	}	1427	}
959		1428
960	sub find_active($) {	1429	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1444	my $login = $_[0];
976		1445
977	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
978		1447
979	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
981	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
983	}	1465	}
984	}	1466	}
985	}	1467	}
986		1468
…		…
995	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
996		1478
997	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
999		1481
		1482	cf::get_slot 0.01;
		1483
1000	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1001	Coro::cede;	1485	cf::cede_to_tick;
1002	}	1486	}
1003		1487
1004	sub new($) {	1488	sub new($) {
1005	my ($login) = @_;	1489	my ($login) = @_;
1006		1490
…		…
1010	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1011		1495
1012	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1013		1497
1014	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1015	}	1509	}
1016		1510
1017	=item $pl->quit_character	1511	=item $pl->quit_character
1018		1512
1019	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1068	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1069		1563
1070	=cut	1564	=cut
1071		1565
1072	sub list_logins {	1566	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1568	or return [];
1075		1569
1076	my @logins;	1570	my @logins;
1077		1571
1078	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1082		1582
1083	utf8::decode $login;	1583	utf8::decode $login;
1084	push @logins, $login;	1584	push @logins, $login;
1085	}	1585	}
1086		1586
…		…
1113	}	1613	}
1114		1614
1115	\@paths	1615	\@paths
1116	}	1616	}
1117		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1119		1712
1120	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1121		1714
1122	=cut	1715	=cut
1123		1716
1124	sub ext_reply($$$%) {	1717	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1126		1719
1127	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1721	}
1131		1722
1132	package cf;	1723	=item $player->ext_msg ($type, @msg)
		1724
		1725	Sends an ext event to the client.
		1726
		1727	=cut
		1728
		1729	sub ext_msg($$@) {
		1730	my ($self, $type, @msg) = @_;
		1731
		1732	$self->ns->ext_msg ($type, @msg);
		1733	}
		1734
		1735	=head3 cf::region
		1736
		1737	=over 4
		1738
		1739	=cut
		1740
		1741	package cf::region;
		1742
		1743	=item cf::region::find_by_path $path
		1744
		1745	Tries to decuce the likely region for a map knowing only its path.
		1746
		1747	=cut
		1748
		1749	sub find_by_path($) {
		1750	my ($path) = @_;
		1751
		1752	my ($match, $specificity);
		1753
		1754	for my $region (list) {
		1755	if ($region->{match} && $path =~ $region->{match}) {
		1756	($match, $specificity) = ($region, $region->specificity)
		1757	if $region->specificity > $specificity;
		1758	}
		1759	}
		1760
		1761	$match
		1762	}
1133		1763
1134	=back	1764	=back
1135
1136		1765
1137	=head3 cf::map	1766	=head3 cf::map
1138		1767
1139	=over 4	1768	=over 4
1140		1769
…		…
1152	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1154		1783
1155	sub generate_random_map {	1784	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1157	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1790	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1195	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1196		1828
1197	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1198	local $self->{path};	1830	local $self->{path};
1199	local $self->{load_path};	1831	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1832
1203	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1204	}	1834	}
1205		1835
1206	sub normalise {	1836	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1254	return $self;	1884	return $self;
1255	}	1885	}
1256	}	1886	}
1257		1887
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1889	()
1260	}	1890	}
1261		1891
1262	sub init {	1892	sub init {
1263	my ($self) = @_;	1893	my ($self) = @_;
…		…
1278		1908
1279	# the original (read-only) location	1909	# the original (read-only) location
1280	sub load_path {	1910	sub load_path {
1281	my ($self) = @_;	1911	my ($self) = @_;
1282		1912
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1284	}	1914	}
1285		1915
1286	# the temporary/swap location	1916	# the temporary/swap location
1287	sub save_path {	1917	sub save_path {
1288	my ($self) = @_;	1918	my ($self) = @_;
1289		1919
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1292	}	1922	}
1293		1923
1294	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1295	sub uniq_path {	1925	sub uniq_path {
1296	my ($self) = @_;	1926	my ($self) = @_;
1297		1927
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1300	}	1930	}
1301		1931
1302	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1303	# all maps in C++...	1933	# all maps in C++...
1304	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1306		1936
1307	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1309	}	1939	}
1310		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1311	sub unlink_save {	1949	sub unlink_save {
1312	my ($self) = @_;	1950	my ($self) = @_;
1313		1951
1314	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1956
1319	sub load_header_from($) {	1957	sub load_header_from($) {
1320	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1321		1959
1322	utf8::encode $path;	1960	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1328		1969
1329	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1330		1971
1331	1	1972	1
1332	}	1973	}
…		…
1371	$self->load_header_orig	2012	$self->load_header_orig
1372	or return;	2013	or return;
1373	$self->prepare_orig;	2014	$self->prepare_orig;
1374	}	2015	}
1375		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
		2020	$self->default_region (cf::region::find_by_path $self->{path})
		2021	unless $self->default_region;
		2022
1376	1	2023	1
1377	}	2024	}
1378		2025
1379	sub find;	2026	sub find;
1380	sub find {	2027	sub find {
1381	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1382		2029
1383	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1384		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1386		2034
1387	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	2036	my $guard1 = cf::lock_acquire "map_find:$path";
		2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2038
1389	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1390	or return;	2040	or return;
1391		2041
1392	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1393		2043
1394	$map->load_header	2044	$map->load_header
1395	or return;	2045	or return;
1396		2046
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1400	$map->reset;	2052	$map->reset;
1401	undef $guard;
1402	return find $path;	2053	return find $path;
1403	}	2054	}
1404		2055
1405	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1406	}	2057	}
…		…
1413	my ($self) = @_;	2064	my ($self) = @_;
1414		2065
1415	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1416		2067
1417	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1419		2072
		2073	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2075
1422	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1423		2077
1424	$self->alloc;	2078	$self->alloc;
1425		2079
1426	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1427		2082
1428	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1429	or return;	2086	or return;
1430		2087
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	2089	if delete $self->{load_original};
1433		2090
1434	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2092	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2095	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1439	}	2099	}
1440	}	2100	}
1441		2101
1442	Coro::cede;	2102	$f->resolve_delayed_derefs;
1443		2103
		2104	cf::cede_to_tick;
1444	# now do the right thing for maps	2105	# now do the right thing for maps
1445	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2108	unless $self->difficulty;
1455	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
		2116	$self->set_darkness_map;
		2117	cf::cede_to_tick;
1456	$self->activate;	2118	$self->activate;
		2119	}
		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
		2124	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2125	}
1458		2126
1459	$self->post_load;	2127	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2128	}
1463		2129
1464	sub customise_for {	2130	sub customise_for {
1465	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1466		2132
1467	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2134	if $self->per_player;
1469		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1470	$self	2139	$self
1471	}	2140	}
1472		2141
1473	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2143	sub load_neighbours {
1475	my ($map) = @_;	2144	my ($map) = @_;
1476		2145
1477	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1478		2147
1479	for (0 .. 3) {	2148	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1481	or next;	2150	or next;
1482	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1483	or next;	2152	or next;
1484	$neigh->load;	2153	$neigh->load;
1485		2154
		2155	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2158	}
1489		2159
1490	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1492	or next;	2163	or next;
1493	$neigh->load;	2164	$neigh->load;
1494	}	2165	}
1495	}	2166	}
1496		2167
…		…
1501	}	2172	}
1502		2173
1503	sub do_load_sync {	2174	sub do_load_sync {
1504	my ($map) = @_;	2175	my ($map) = @_;
1505		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1506	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1507	}	2181	}
1508		2182
1509	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1511		2185
1512	sub find_async {	2186	sub find_async {
1513	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1514		2188
1515	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1516		2190
1517	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2193	}
1520		2194
1521	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1522	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1523	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2202	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2203	$map->load if $v;
		2204	}
1528		2205
1529	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1530	}	2207	}
1531	}	2208	}
1532	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1533	};	2210	};
1534	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2214	}
1538		2215
1539	sub save {	2216	sub save {
1540	my ($self) = @_;	2217	my ($self) = @_;
1541		2218
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2220
1544	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1545		2222
1546	return unless $self->dirty;	2223	return unless $self->dirty;
1547		2224
…		…
1553	return if $self->{deny_save};	2230	return if $self->{deny_save};
1554		2231
1555	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1556		2233
1557	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1559	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1560		2240
1561	if ($uniq) {	2241	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2244	} else {
…		…
1570	my ($self) = @_;	2250	my ($self) = @_;
1571		2251
1572	# save first because save cedes	2252	# save first because save cedes
1573	$self->save;	2253	$self->save;
1574		2254
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2256
1577	return if $self->players;	2257	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2259	return if $self->{deny_save};
1580		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2265	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2266	}
1584		2267
1585	sub reset_at {	2268	sub reset_at {
1586	my ($self) = @_;	2269	my ($self) = @_;
1587		2270
1588	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1591		2273
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2276
…		…
1605	my ($self) = @_;	2287	my ($self) = @_;
1606		2288
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2290
1609	return if $self->players;	2291	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2292
1612	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1613		2294
1614	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1615		2296
1616	# need to save uniques path	2297	# need to save uniques path
1617	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2302	if $uniq;
1622	}	2303	}
1623		2304
1624	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1625		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2309	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2310
1630	$self->unlink_save;	2311	$self->unlink_save;
1631	$self->destroy;	2312	$self->destroy;
1632	}	2313	}
1633		2314
1634	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1635		2316
1636	sub nuke {	2317	sub nuke {
1637	my ($self) = @_;	2318	my ($self) = @_;
1638		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1639	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1640		2324
1641	$self->unlink_save;	2325	$self->unlink_save;
1642		2326
1643	bless $self, "cf::map";	2327	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2332
1649	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1650		2335
1651	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1652	}	2373	}
1653		2374
1654	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1655		2376
1656	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2378	instantiated unique items. May block.
1658		2379
1659	=cut	2380	=cut
1660		2381
1661	sub unique_maps() {	2382	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1663	or return;	2384	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2385	utf8::decode $_;
1669	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2388	? ()
1672	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2391	]
1674
1675	\@paths
1676	}	2392	}
1677
1678	package cf;
1679		2393
1680	=back	2394	=back
1681		2395
1682	=head3 cf::object	2396	=head3 cf::object
1683		2397
…		…
1687		2401
1688	=over 4	2402	=over 4
1689		2403
1690	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1691		2405
1692	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1693		2408
1694	=cut	2409	=cut
1695		2410
1696	sub inv_recursive_;	2411	sub inv_recursive_;
1697	sub inv_recursive_ {	2412	sub inv_recursive_ {
1698	map { $_, inv_recursive_ $_->inv } @_	2413	map { $_, inv_recursive_ $_->inv } @_
1699	}	2414	}
1700		2415
1701	sub inv_recursive {	2416	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
		2418	}
		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
1703	}	2446	}
1704		2447
1705	package cf;	2448	package cf;
1706		2449
1707	=back	2450	=back
…		…
1726		2469
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2470	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2471
1729	if ($self->{record_replies}) {	2472	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2473	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2474
1731	} else {	2475	} else {
		2476	my $pl = $self->contr;
		2477
		2478	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2479	my $dialog = $pl->{npc_dialog};
		2480	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2481
		2482	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2483	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2484	$self->message ($msg, $flags);
		2485	}
1734	}	2486	}
		2487	}
		2488
		2489	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	=cut
		2492
		2493	sub cf::object::send_msg {
		2494	my $pl = shift->contr
		2495	or return;
		2496	$pl->send_msg (@_);
1735	}	2497	}
1736		2498
1737	=item $player_object->may ("access")	2499	=item $player_object->may ("access")
1738		2500
1739	Returns wether the given player is authorized to access resource "access"	2501	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1787		2549
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2551
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1792		2554
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2556	}
1795		2557
1796	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1798		2562
1799	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1800		2564
1801	unless ($map) {	2565	unless ($map) {
1802	# restore original map position	2566	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2582	if $x <=0 && $y <= 0;
1819		2583
1820	$map->load;	2584	$map->load;
1821	$map->load_diag;	2585	$map->load_neighbours;
1822		2586
1823	return unless $self->contr->active;	2587	return unless $self->contr->active;
1824	$self->activate_recursive;	2588	$self->activate_recursive;
1825		2589
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
1828	}	2592	}
1829		2593
1830	cf::player->attach (	2594	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2595
1834	# abort map switching before logout	2596	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2597	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2598	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2599	the new (success) or old (failed) map position. In either case, $done will
1838	};	2600	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2601
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2602	=cut
		2603
		2604	our $GOTOGEN;
1865		2605
1866	sub cf::object::player::goto {	2606	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2607	my ($self, $path, $x, $y, $check, $done) = @_;
		2608
		2609	# do generation counting so two concurrent goto's will be executed in-order
		2610	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2611
1869	$self->enter_link;	2612	$self->enter_link;
1870		2613
1871	(async {	2614	(async {
		2615	$Coro::current->{desc} = "player::goto $path $x $y";
		2616
		2617	# *tag paths override both path and x|y
		2618	if ($path =~ /^\*(.*)$/) {
		2619	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2620	my $ob = $obs[rand @obs];
		2621
		2622	# see if we actually can go there
		2623	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2624	$ob = $obs[rand @obs];
		2625	} else {
		2626	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2627	}
		2628	# else put us there anyways for now #d#
		2629
		2630	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2631	} else {
		2632	($path, $x, $y) = (undef, undef, undef);
		2633	}
		2634	}
		2635
1872	my $map = eval {	2636	my $map = eval {
1873	my $map = cf::map::find $path;	2637	my $map = defined $path ? cf::map::find $path : undef;
		2638
		2639	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2640	$map = $map->customise_for ($self);
		2641	$map = $check->($map) if $check && $map;
		2642	} else {
		2643	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2644	}
		2645
1875	$map	2646	$map
		2647	};
		2648
		2649	if ($@) {
		2650	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2652	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2653
		2654	if ($gen == $self->{_goto_generation}) {
		2655	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2656	$self->leave_link ($map, $x, $y);
		2657	}
		2658
		2659	$done->() if $done;
1880	})->prio (1);	2660	})->prio (1);
1881	}	2661	}
1882		2662
1883	=item $player_object->enter_exit ($exit_object)	2663	=item $player_object->enter_exit ($exit_object)
1884		2664
…		…
1921	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
1922	}	2702	}
1923		2703
1924	$rmp->{random_seed} ||= $exit->random_seed;	2704	$rmp->{random_seed} ||= $exit->random_seed;
1925		2705
1926	my $data = cf::to_json $rmp;	2706	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2707	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2708	my $meta = "$RANDOMDIR/$md5.meta";
1929		2709
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2710	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2711	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2712	undef $fh;
1933	aio_rename "$meta~", $meta;	2713	aio_rename "$meta~", $meta;
…		…
1942		2722
1943	return unless $self->type == cf::PLAYER;	2723	return unless $self->type == cf::PLAYER;
1944		2724
1945	if ($exit->slaying eq "/!") {	2725	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2726	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2727	# the problem is that $exit might not survive long enough
		2728	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2729	cf::sync_job { prepare_random_map $exit };
1948	}	2730	}
1949		2731
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2732	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2733	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2734	my $sp = $exit->stats->sp;
1953		2735
1954	$self->enter_link;	2736	$self->enter_link;
1955		2737
		2738	# if exit is damned, update players death & WoR home-position
		2739	$self->contr->savebed ($slaying, $hp, $sp)
		2740	if $exit->flag (FLAG_DAMNED);
		2741
1956	(async {	2742	(async {
		2743	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2744
1957	$self->deactivate_recursive; # just to be sure	2745	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2746	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2747	$self->goto ($slaying, $hp, $sp);
1960		2748
1961	1;	2749	1;
1962	}) {	2750	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2751	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2752	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2753	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2754	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2755
1968	warn "ERROR in enter_exit: $@";	2756	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2757	$self->leave_link;
1970	}	2758	}
1971	})->prio (1);	2759	})->prio (1);
…		…
1987		2775
1988	utf8::encode $text;	2776	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2777	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2778	}
1991		2779
		2780	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2781
		2782	Send a drawinfo or msg packet to the client, formatting the msg for the
		2783	client if neccessary. C<$type> should be a string identifying the type of
		2784	the message, with C<log> being the default. If C<$color> is negative, suppress
		2785	the message unless the client supports the msg packet.
		2786
		2787	=cut
		2788
		2789	# non-persistent channels (usually the info channel)
		2790	our %CHANNEL = (
		2791	"c/identify" => {
		2792	id => "infobox",
		2793	title => "Identify",
		2794	reply => undef,
		2795	tooltip => "Items recently identified",
		2796	},
		2797	"c/examine" => {
		2798	id => "infobox",
		2799	title => "Examine",
		2800	reply => undef,
		2801	tooltip => "Signs and other items you examined",
		2802	},
		2803	"c/book" => {
		2804	id => "infobox",
		2805	title => "Book",
		2806	reply => undef,
		2807	tooltip => "The contents of a note or book",
		2808	},
		2809	"c/lookat" => {
		2810	id => "infobox",
		2811	title => "Look",
		2812	reply => undef,
		2813	tooltip => "What you saw there",
		2814	},
		2815	"c/who" => {
		2816	id => "infobox",
		2817	title => "Players",
		2818	reply => undef,
		2819	tooltip => "Shows players who are currently online",
		2820	},
		2821	"c/body" => {
		2822	id => "infobox",
		2823	title => "Body Parts",
		2824	reply => undef,
		2825	tooltip => "Shows which body parts you posess and are available",
		2826	},
		2827	"c/uptime" => {
		2828	id => "infobox",
		2829	title => "Uptime",
		2830	reply => undef,
		2831	tooltip => "How long the server has been running since last restart",
		2832	},
		2833	"c/mapinfo" => {
		2834	id => "infobox",
		2835	title => "Map Info",
		2836	reply => undef,
		2837	tooltip => "Information related to the maps",
		2838	},
		2839	"c/party" => {
		2840	id => "party",
		2841	title => "Party",
		2842	reply => "gsay ",
		2843	tooltip => "Messages and chat related to your party",
		2844	},
		2845	);
		2846
		2847	sub cf::client::send_msg {
		2848	my ($self, $channel, $msg, $color, @extra) = @_;
		2849
		2850	$msg = $self->pl->expand_cfpod ($msg);
		2851
		2852	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2853
		2854	# check predefined channels, for the benefit of C
		2855	if ($CHANNEL{$channel}) {
		2856	$channel = $CHANNEL{$channel};
		2857
		2858	$self->ext_msg (channel_info => $channel)
		2859	if $self->can_msg;
		2860
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel)
		2868	if $self->can_msg;
		2869	}
		2870
		2871	$channel = $channel->{id};
		2872	}
		2873
		2874	return unless @extra || length $msg;
		2875
		2876	if ($self->can_msg) {
		2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2882	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2883	} else {
		2884	if ($color >= 0) {
		2885	# replace some tags by gcfclient-compatible ones
		2886	for ($msg) {
		2887	1 while
		2888	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2889	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2890	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2891	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2892	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2893	}
		2894
		2895	$color &= cf::NDI_COLOR_MASK;
		2896
		2897	utf8::encode $msg;
		2898
		2899	if (0 && $msg =~ /\[/) {
		2900	# COMMAND/INFO
		2901	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2902	} else {
		2903	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2904	$self->send_packet ("drawinfo $color $msg")
		2905	}
		2906	}
		2907	}
		2908	}
		2909
		2910	=item $client->ext_msg ($type, @msg)
		2911
		2912	Sends an ext event to the client.
		2913
		2914	=cut
		2915
		2916	sub cf::client::ext_msg($$@) {
		2917	my ($self, $type, @msg) = @_;
		2918
		2919	if ($self->extcmd == 2) {
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2921	} elsif ($self->extcmd == 1) { # TODO: remove
		2922	push @msg, msgtype => "event_$type";
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2924	}
		2925	}
		2926
		2927	=item $client->ext_reply ($msgid, @msg)
		2928
		2929	Sends an ext reply to the client.
		2930
		2931	=cut
		2932
		2933	sub cf::client::ext_reply($$@) {
		2934	my ($self, $id, @msg) = @_;
		2935
		2936	if ($self->extcmd == 2) {
		2937	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2938	} elsif ($self->extcmd == 1) {
		2939	#TODO: version 1, remove
		2940	unshift @msg, msgtype => "reply", msgid => $id;
		2941	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2942	}
		2943	}
1992		2944
1993	=item $success = $client->query ($flags, "text", \&cb)	2945	=item $success = $client->query ($flags, "text", \&cb)
1994		2946
1995	Queues a query to the client, calling the given callback with	2947	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2948	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2949	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2950
1999	Queries can fail, so check the return code. Or don't, as queries will become	2951	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2952	become reliable at some point in the future.
2001		2953
2002	=cut	2954	=cut
2003		2955
2004	sub cf::client::query {	2956	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2957	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2965	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2966	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2967
2016	$self->send_packet ($self->{query_queue}[0][0])	2968	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2969	if @{ $self->{query_queue} } == 1;
		2970
		2971	1
2018	}	2972	}
2019		2973
2020	cf::client->attach (	2974	cf::client->attach (
		2975	on_connect => sub {
		2976	my ($ns) = @_;
		2977
		2978	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2979	},
2021	on_reply => sub {	2980	on_reply => sub {
2022	my ($ns, $msg) = @_;	2981	my ($ns, $msg) = @_;
2023		2982
2024	# this weird shuffling is so that direct followup queries	2983	# this weird shuffling is so that direct followup queries
2025	# get handled first	2984	# get handled first
…		…
2037	} else {	2996	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2998	}
2040	}	2999	}
2041	},	3000	},
		3001	on_exticmd => sub {
		3002	my ($ns, $buf) = @_;
		3003
		3004	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3005
		3006	if (ref $msg) {
		3007	my ($type, $reply, @payload) =
		3008	"ARRAY" eq ref $msg
		3009	? @$msg
		3010	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3011
		3012	my @reply;
		3013
		3014	if (my $cb = $EXTICMD{$type}) {
		3015	@reply = $cb->($ns, @payload);
		3016	}
		3017
		3018	$ns->ext_reply ($reply, @reply)
		3019	if $reply;
		3020
		3021	} else {
		3022	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3023	}
		3024
		3025	cf::override;
		3026	},
2042	);	3027	);
2043		3028
2044	=item $client->async (\&cb)	3029	=item $client->async (\&cb)
2045		3030
2046	Create a new coroutine, running the specified callback. The coroutine will	3031	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3072	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3073	our $safe_hole = new Safe::Hole;
2089		3074
2090	$SIG{FPE} = 'IGNORE';	3075	$SIG{FPE} = 'IGNORE';
2091		3076
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3077	$safe->permit_only (Opcode::opset qw(
		3078	:base_core :base_mem :base_orig :base_math
		3079	grepstart grepwhile mapstart mapwhile
		3080	sort time
		3081	));
2093		3082
2094	# here we export the classes and methods available to script code	3083	# here we export the classes and methods available to script code
2095		3084
2096	=pod	3085	=pod
2097		3086
2098	The following fucntions and emthods are available within a safe environment:	3087	The following functions and methods are available within a safe environment:
2099		3088
2100	cf::object contr pay_amount pay_player map	3089	cf::object
		3090	contr pay_amount pay_player map x y force_find force_add destroy
		3091	insert remove name archname title slaying race decrease split
		3092
2101	cf::object::player player	3093	cf::object::player
2102	cf::player peaceful	3094	player
2103	cf::map trigger	3095
		3096	cf::player
		3097	peaceful
		3098
		3099	cf::map
		3100	trigger
2104		3101
2105	=cut	3102	=cut
2106		3103
2107	for (	3104	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3105	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3106	insert remove inv name archname title slaying race
		3107	decrease split destroy)],
2109	["cf::object::player" => qw(player)],	3108	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3109	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3110	["cf::map" => qw(trigger)],
2112	) {	3111	) {
2113	no strict 'refs';	3112	no strict 'refs';
…		…
2184	=back	3183	=back
2185		3184
2186	=cut	3185	=cut
2187		3186
2188	#############################################################################	3187	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3188	# the server's init and main functions
2262		3189
2263	sub load_faces {	3190	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3191	my ($path) = @_;
2265		3192
		3193	# HACK to clear player env face cache, we need some signal framework
		3194	# for this (global event?)
		3195	%ext::player_env::MUSIC_FACE_CACHE = ();
		3196
		3197	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3198
2266	warn "loading faces from $path\n";	3199	warn "loading facedata from $path\n";
2267		3200
2268	my $faces;	3201	my $facedata;
2269	0 < aio_load $path, $faces	3202	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3203	or die "$path: $!";
2271		3204
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3205	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3206
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3207	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3208	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3209
		3210	# patch in the exptable
		3211	$facedata->{resource}{"res/exp_table"} = {
		3212	type => FT_RSRC,
		3213	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3214	};
		3215	cf::cede_to_tick;
		3216
		3217	{
		3218	my $faces = $facedata->{faceinfo};
		3219
2280	while (my ($face, $info) = each %$faces) {	3220	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3221	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3222
		3223	cf::face::set_visibility $idx, $info->{visibility};
		3224	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3225	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3226	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3227
		3228	cf::cede_to_tick;
		3229	}
		3230
2287	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3232	next unless $info->{smooth};
		3233
2289	my $idx = cf::face::find $face	3234	my $idx = cf::face::find $face
2290	or next;	3235	or next;
		3236
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3237	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3238	cf::face::set_smooth $idx, $smooth;
		3239	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3240	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3241	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3242	}
2296	Coro::cede;	3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
2297	}	3248	{
		3249	my $anims = $facedata->{animinfo};
		3250
		3251	while (my ($anim, $info) = each %$anims) {
		3252	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3253	cf::cede_to_tick;
		3254	}
		3255
		3256	cf::anim::invalidate_all; # d'oh
		3257	}
		3258
		3259	{
		3260	# TODO: for gcfclient pleasure, we should give resources
		3261	# that gcfclient doesn't grok a >10000 face index.
		3262	my $res = $facedata->{resource};
		3263
		3264	while (my ($name, $info) = each %$res) {
		3265	if (defined $info->{type}) {
		3266	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3267	my $data;
		3268
		3269	if ($info->{type} & 1) {
		3270	# prepend meta info
		3271
		3272	my $meta = $enc->encode ({
		3273	name => $name,
		3274	%{ $info->{meta} || {} },
		3275	});
		3276
		3277	$data = pack "(w/a*)*", $meta, $info->{data};
		3278	} else {
		3279	$data = $info->{data};
		3280	}
		3281
		3282	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3283	cf::face::set_type $idx, $info->{type};
		3284	} else {
		3285	$RESOURCE{$name} = $info;
		3286	}
		3287
		3288	cf::cede_to_tick;
		3289	}
		3290	}
		3291
		3292	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2298		3293
2299	1	3294	1
2300	}	3295	}
2301		3296
		3297	cf::global->attach (on_resource_update => sub {
		3298	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3299	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3300
		3301	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3302	my $sound = $soundconf->{compat}[$_]
		3303	or next;
		3304
		3305	my $face = cf::face::find "sound/$sound->[1]";
		3306	cf::sound::set $sound->[0] => $face;
		3307	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3308	}
		3309
		3310	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3311	my $face = cf::face::find "sound/$v";
		3312	cf::sound::set $k => $face;
		3313	}
		3314	}
		3315	});
		3316
		3317	register_exticmd fx_want => sub {
		3318	my ($ns, $want) = @_;
		3319
		3320	while (my ($k, $v) = each %$want) {
		3321	$ns->fx_want ($k, $v);
		3322	}
		3323	};
		3324
		3325	sub load_resource_file($) {
		3326	my $guard = lock_acquire "load_resource_file";
		3327
		3328	my $status = load_resource_file_ $_[0];
		3329	get_slot 0.1, 100;
		3330	cf::arch::commit_load;
		3331
		3332	$status
		3333	}
		3334
		3335	sub reload_regions {
		3336	# HACK to clear player env face cache, we need some signal framework
		3337	# for this (global event?)
		3338	%ext::player_env::MUSIC_FACE_CACHE = ();
		3339
		3340	load_resource_file "$MAPDIR/regions"
		3341	or die "unable to load regions file\n";
		3342
		3343	for (cf::region::list) {
		3344	$_->{match} = qr/$_->{match}/
		3345	if exists $_->{match};
		3346	}
		3347	}
		3348
		3349	sub reload_facedata {
		3350	load_facedata "$DATADIR/facedata"
		3351	or die "unable to load facedata\n";
		3352	}
		3353
		3354	sub reload_archetypes {
		3355	load_resource_file "$DATADIR/archetypes"
		3356	or die "unable to load archetypes\n";
		3357	}
		3358
		3359	sub reload_treasures {
		3360	load_resource_file "$DATADIR/treasures"
		3361	or die "unable to load treasurelists\n";
		3362	}
		3363
2302	sub reload_resources {	3364	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3365	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3366
2305	load_faces	3367	reload_facedata;
2306	or die "unable to load faces\n";#d#	3368	reload_archetypes;
		3369	reload_regions;
		3370	reload_treasures;
		3371
		3372	warn "finished reloading resource files\n";
2307	}	3373	}
2308		3374
2309	sub init {	3375	sub init {
		3376	my $guard = freeze_mainloop;
		3377
2310	reload_resources;	3378	reload_resources;
2311	}	3379	}
2312		3380
2313	sub cfg_load {	3381	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3382	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3383	or return;
2316		3384
2317	local $/;	3385	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3386	*CFG = YAML::Load <$fh>;
2319		3387
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3388	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321		3389
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3390	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3391	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2334	sub main {	3402	sub main {
2335	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3406	(async {
2339	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2341	};	3410	};
2342		3411
2343	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2344	db_init;	3415	db_init;
2345	load_extensions;	3416	load_extensions;
2346		3417
2347	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	evthread_start IO::AIO::poll_fileno;
		3420	}
		3421
2348	Event::loop;	3422	EV::loop;
2349	}	3423	}
2350		3424
2351	#############################################################################	3425	#############################################################################
2352	# initialisation and cleanup	3426	# initialisation and cleanup
2353		3427
2354	# install some emergency cleanup handlers	3428	# install some emergency cleanup handlers
2355	BEGIN {	3429	BEGIN {
		3430	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3431	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3432	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3433	cf::cleanup "SIG$signal";
2364	},
2365	);	3434	};
		3435	}
		3436	}
		3437
		3438	sub write_runtime_sync {
		3439	my $runtime = "$LOCALDIR/runtime";
		3440
		3441	# first touch the runtime file to show we are still running:
		3442	# the fsync below can take a very very long time.
		3443
		3444	IO::AIO::aio_utime $runtime, undef, undef;
		3445
		3446	my $guard = cf::lock_acquire "write_runtime";
		3447
		3448	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3449	or return;
		3450
		3451	my $value = $cf::RUNTIME + 90 + 10;
		3452	# 10 is the runtime save interval, for a monotonic clock
		3453	# 60 allows for the watchdog to kill the server.
		3454
		3455	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3456	and return;
		3457
		3458	# always fsync - this file is important
		3459	aio_fsync $fh
		3460	and return;
		3461
		3462	# touch it again to show we are up-to-date
		3463	aio_utime $fh, undef, undef;
		3464
		3465	close $fh
		3466	or return;
		3467
		3468	aio_rename "$runtime~", $runtime
		3469	and return;
		3470
		3471	warn "runtime file written.\n";
		3472
2366	}	3473	1
		3474	}
		3475
		3476	our $uuid_lock;
		3477	our $uuid_skip;
		3478
		3479	sub write_uuid_sync($) {
		3480	$uuid_skip ||= $_[0];
		3481
		3482	return if $uuid_lock;
		3483	local $uuid_lock = 1;
		3484
		3485	my $uuid = "$LOCALDIR/uuid";
		3486
		3487	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3488	or return;
		3489
		3490	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3491	$uuid_skip = 0;
		3492
		3493	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3494	and return;
		3495
		3496	# always fsync - this file is important
		3497	aio_fsync $fh
		3498	and return;
		3499
		3500	close $fh
		3501	or return;
		3502
		3503	aio_rename "$uuid~", $uuid
		3504	and return;
		3505
		3506	warn "uuid file written ($value).\n";
		3507
		3508	1
		3509
		3510	}
		3511
		3512	sub write_uuid($$) {
		3513	my ($skip, $sync) = @_;
		3514
		3515	$sync ? write_uuid_sync $skip
		3516	: async { write_uuid_sync $skip };
2367	}	3517	}
2368		3518
2369	sub emergency_save() {	3519	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3520	my $freeze_guard = cf::freeze_mainloop;
2371		3521
…		…
2377	# and maps saved/destroyed asynchronously.	3527	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3528	warn "begin emergency player save\n";
2379	for my $login (keys %cf::PLAYER) {	3529	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3530	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3531	$pl->valid or next;
		3532	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3533	$pl->save;
2383	}	3534	}
2384	warn "end emergency player save\n";	3535	warn "end emergency player save\n";
2385		3536
2386	warn "begin emergency map save\n";	3537	warn "begin emergency map save\n";
…		…
2392	warn "end emergency map save\n";	3543	warn "end emergency map save\n";
2393		3544
2394	warn "begin emergency database checkpoint\n";	3545	warn "begin emergency database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3546	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3547	warn "end emergency database checkpoint\n";
		3548
		3549	warn "begin write uuid\n";
		3550	write_uuid_sync 1;
		3551	warn "end write uuid\n";
2397	};	3552	};
2398		3553
2399	warn "leave emergency perl save\n";	3554	warn "leave emergency perl save\n";
2400	}	3555	}
2401		3556
…		…
2404		3559
2405	warn Carp::longmess "post_cleanup backtrace"	3560	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3561	if $make_core;
2407	}	3562	}
2408		3563
2409	sub reload() {	3564	sub do_reload_perl() {
2410	# can/must only be called in main	3565	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3566	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3567	warn "can only reload from main coroutine";
2413	return;	3568	return;
2414	}	3569	}
…		…
2416	warn "reloading...";	3571	warn "reloading...";
2417		3572
2418	warn "entering sync_job";	3573	warn "entering sync_job";
2419		3574
2420	cf::sync_job {	3575	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
2422	cf::emergency_save;	3577	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark	3578	cf::write_runtime_sync; # external watchdog should not bark
2424		3579
2425	warn "syncing database to disk";	3580	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3582
2428	# if anything goes wrong in here, we should simply crash as we already saved	3583	# if anything goes wrong in here, we should simply crash as we already saved
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434		3584
2435	warn "flushing outstanding aio requests";	3585	warn "flushing outstanding aio requests";
2436	for (;;) {	3586	for (;;) {
2437	BDB::flush;	3587	BDB::flush;
2438	IO::AIO::flush;	3588	IO::AIO::flush;
2439	Coro::cede;	3589	Coro::cede_notself;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3590	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";	3591	warn "iterate...";
2442	}	3592	}
2443		3593
2444	++$RELOAD;	3594	++$RELOAD;
…		…
2448	%EXT_CORO = ();	3598	%EXT_CORO = ();
2449		3599
2450	warn "removing commands";	3600	warn "removing commands";
2451	%COMMAND = ();	3601	%COMMAND = ();
2452		3602
2453	warn "removing ext commands";	3603	warn "removing ext/exti commands";
2454	%EXTCMD = ();	3604	%EXTCMD = ();
		3605	%EXTICMD = ();
2455		3606
2456	warn "unloading/nuking all extensions";	3607	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3608	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3609	warn "... unloading $pkg";
2459		3610
…		…
2489	Symbol::delete_package "safe::$_"	3640	Symbol::delete_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3641	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3642
2492	warn "unloading cf.pm \"a bit\"";	3643	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3644	delete $INC{"cf.pm"};
		3645	delete $INC{"cf/pod.pm"};
2494		3646
2495	# don't, removes xs symbols, too,	3647	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3648	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3649	#Symbol::delete_package __PACKAGE__;
2498		3650
…		…
2501	warn "reloading cf.pm";	3653	warn "reloading cf.pm";
2502	require cf;	3654	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3655	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3656
2505	warn "loading config and database again";	3657	warn "loading config and database again";
2506	cf::cfg_load;	3658	cf::reload_config;
2507		3659
2508	warn "loading extensions";	3660	warn "loading extensions";
2509	cf::load_extensions;	3661	cf::load_extensions;
2510		3662
2511	warn "reattaching attachments to objects/players";	3663	warn "reattaching attachments to objects/players";
…		…
2513	warn "reattaching attachments to maps";	3665	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3666	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3667	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3668	reattach $_ for values %PLAYER;
2517		3669
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3670	warn "leaving sync_job";
2522		3671
2523	1	3672	1
2524	} or do {	3673	} or do {
2525	warn $@;	3674	warn $@;
2526	warn "error while reloading, exiting.";	3675	cf::cleanup "error while reloading, exiting.";
2527	exit 1;
2528	};	3676	};
2529		3677
2530	warn "reloaded";	3678	warn "reloaded";
2531	};	3679	};
2532		3680
2533	our $RELOAD_WATCHER; # used only during reload	3681	our $RELOAD_WATCHER; # used only during reload
2534		3682
		3683	sub reload_perl() {
		3684	# doing reload synchronously and two reloads happen back-to-back,
		3685	# coro crashes during coro_state_free->destroy here.
		3686
		3687	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3688	do_reload_perl;
		3689	undef $RELOAD_WATCHER;
		3690	};
		3691	}
		3692
2535	register_command "reload" => sub {	3693	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3694	my ($who, $arg) = @_;
2537		3695
2538	if ($who->flag (FLAG_WIZ)) {	3696	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3697	$who->message ("reloading server.");
2540		3698	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3699	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3700	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3701	};
2553	}	3702	}
2554	};	3703	};
2555		3704
2556	unshift @INC, $LIBDIR;	3705	unshift @INC, $LIBDIR;
2557		3706
2558	my $bug_warning = 0;	3707	my $bug_warning = 0;
2559		3708
2560	$TICK_WATCHER = Event->timer (	3709	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3710	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3711
2563	prio => 0,	3712	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3713	return if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	3714
2566	cb => sub {	3715	my $signal = new Coro::Signal;
		3716	push @WAIT_FOR_TICK, $signal;
		3717	$signal->wait;
		3718	}
		3719
		3720	sub wait_for_tick_begin {
		3721	return if tick_inhibit || $Coro::current == $Coro::main;
		3722
		3723	my $signal = new Coro::Signal;
		3724	push @WAIT_FOR_TICK_BEGIN, $signal;
		3725	$signal->wait;
		3726	}
		3727
		3728	sub tick {
2567	if ($Coro::current != $Coro::main) {	3729	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3730	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3731	unless ++$bug_warning > 10;
2570	return;	3732	return;
2571	}	3733	}
2572		3734
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	3735	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		3736
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3737	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3738	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3739	Coro::async_pool {
		3740	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3741	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	3742	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3743	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3744	}
2599	);	3745
		3746	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3747	$sig->send;
		3748	}
		3749	while (my $sig = shift @WAIT_FOR_TICK) {
		3750	$sig->send;
		3751	}
		3752
		3753	$LOAD = ($NOW - $TICK_START) / $TICK;
		3754	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3755
		3756	if (0) {
		3757	if ($NEXT_TICK) {
		3758	my $jitter = $TICK_START - $NEXT_TICK;
		3759	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3760	warn "jitter $JITTER\n";#d#
		3761	}
		3762	}
		3763	}
2600		3764
2601	{	3765	{
2602	BDB::max_poll_time $TICK * 0.1;	3766	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3767
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3768	BDB::min_parallel 8;
2612		3769	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3770	$Coro::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3771
2628	unless ($DB_ENV) {	3772	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	3773	$DB_ENV = BDB::db_env_create;
		3774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3775	| BDB::LOG_AUTOREMOVE, 1);
		3776	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3777	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		3778
2631	cf::sync_job {	3779	cf::sync_job {
2632	eval {	3780	eval {
2633	BDB::db_env_open	3781	BDB::db_env_open
2634	$DB_ENV,	3782	$DB_ENV,
2635	$BDB_ENV_DIR,	3783	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3784	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3785	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3786	0666;
2639		3787
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3788	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3789	};
2645		3790
2646	cf::cleanup "db_env_open(db): $@" if $@;	3791	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3792	};
2648	}	3793	}
		3794
		3795	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3796	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3797	};
		3798	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3799	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3800	};
		3801	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3802	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3803	};
2649	}	3804	}
2650		3805
2651	{	3806	{
		3807	# configure IO::AIO
		3808
2652	IO::AIO::min_parallel 8;	3809	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3810	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	3811	$Coro::AIO::WATCHER->priority (1);
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	3812	}
		3813
		3814	my $_log_backtrace;
		3815
		3816	sub _log_backtrace {
		3817	my ($msg, @addr) = @_;
		3818
		3819	$msg =~ s/\n//;
		3820
		3821	# limit the # of concurrent backtraces
		3822	if ($_log_backtrace < 2) {
		3823	++$_log_backtrace;
		3824	async {
		3825	$Coro::current->{desc} = "abt $msg";
		3826
		3827	my @bt = fork_call {
		3828	@addr = map { sprintf "%x", $_ } @addr;
		3829	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3830	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3831	or die "addr2line: $!";
		3832
		3833	my @funcs;
		3834	my @res = <$fh>;
		3835	chomp for @res;
		3836	while (@res) {
		3837	my ($func, $line) = splice @res, 0, 2, ();
		3838	push @funcs, "[$func] $line";
		3839	}
		3840
		3841	@funcs
		3842	};
		3843
		3844	LOG llevInfo, "[ABT] $msg\n";
		3845	LOG llevInfo, "[ABT] $_\n" for @bt;
		3846	--$_log_backtrace;
		3847	};
		3848	} else {
		3849	LOG llevInfo, "[ABT] $msg\n";
		3850	LOG llevInfo, "[ABT] [suppressed]\n";
		3851	}
		3852	}
		3853
		3854	# load additional modules
		3855	use cf::pod;
2665		3856
2666	END { cf::emergency_save }	3857	END { cf::emergency_save }
2667		3858
2668	1	3859	1
2669		3860

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