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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.423 by root, Sun Apr 20 00:44:13 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	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(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
54		105
55	our %CFG;	106	our %CFG;
56		107
57	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
59		111
60	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		115
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $TICK_START; # for load detecting purposes
		123
71	binmode STDOUT;	124	binmode STDOUT;
72	binmode STDERR;	125	binmode STDERR;
73		126
74	# read virtual server time, if available	127	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
79	}	132	}
80		133
81	mkdir cf::localdir;	134	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		136
87	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
88		138
89	sub cf::map::normalise;	139	sub cf::map::normalise;
90		140
…		…
101	=item $cf::RUNTIME	151	=item $cf::RUNTIME
102		152
103	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
104	every server tick.	154	every server tick.
105		155
106	=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
107		159
108	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		164
111	=item $cf::NOW	165	=item $cf::NOW
112		166
113	The time of the last (current) server tick.	167	The time of the last (current) server tick.
114		168
115	=item $cf::TICK	169	=item $cf::TICK
116		170
117	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
118		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
119	=item %cf::CFG	183	=item %cf::CFG
120		184
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	186	from wherever your confdir points to.
123		187
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		189
126	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
127	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
128	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.
129	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.
130		199
131	=back	200	=back
132		201
133	=cut	202	=cut
134		203
135	BEGIN {	204	BEGIN {
136	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	206	my $msg = join "", @_;
138	utf8::encode $msg;
139		207
140	$msg .= "\n"	208	$msg .= "\n"
141	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
142		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
143	LOG llevError, $msg;	213	LOG llevError, $msg;
144	};	214	};
145	}	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#?
146		231
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		239
154	# 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
155	# within the Safe compartment.	241	# within the Safe compartment.
156	for my $pkg (qw(	242	for my $pkg (qw(
157	cf::global cf::attachable	243	cf::global cf::attachable
…		…
162	)) {	248	)) {
163	no strict 'refs';	249	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	251	}
166		252
167	$Event::DIED = sub {	253	$EV::DIED = sub {
168	warn "error in event callback: @_";	254	warn "error in event callback: @_";
169	};	255	};
		256
		257	#############################################################################
170		258
171	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
172		260
173	=over 4	261	=over 4
174		262
…		…
193	$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;
194	$d	282	$d
195	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
196	}	284	}
197		285
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
201		287
202	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
203		289
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
212		291
213	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
214		293
215	=cut	294	=cut
216		295
217	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
219	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
220	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
221		300
222	=item cf::lock_wait $string	301	=item cf::lock_wait $string
223		302
224	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
225		304
…		…
228	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
229	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,
230	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
231	returned.	310	returned.
232		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
233	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
234	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
235		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
236	=cut	322	=cut
237		323
238	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
239		326
240	sub lock_wait($) {	327	sub lock_wait($) {
241	my ($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#
242		334
243	# wait for lock, if any	335	# wait for lock, if any
244	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	338	Coro::schedule;
…		…
252		344
253	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
254	lock_wait $key;	346	lock_wait $key;
255		347
256	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
257		350
258	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
261	}	355	}
262	}	356	}
263		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
264	sub freeze_mainloop {	364	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
266		366
267	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
268	$TICK_WATCHER->start;	368	}
269	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
270	};	428	}
271	$WRITE_RUNTIME_WATCHER->stop;	429	};
272	$TICK_WATCHER->stop;	430
273	$guard	431	sub get_slot($;$$) {
		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	$sig->wait;
274	}	443	}
275		444
276	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
277		446
278	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		452
284	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
285		454
286	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
287		456
288	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
291		461
292	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
295	fast or be very important.	465	fast or be very important.
…		…
298		468
299	sub sync_job(&) {	469	sub sync_job(&) {
300	my ($job) = @_;	470	my ($job) = @_;
301		471
302	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
303	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
305		477
306	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	479
308	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
309		481
310	my $busy = 1;	482	my $busy = 1;
311	my @res;	483	my @res;
312		484
313	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	487	@res = eval { $job->() };
315	warn $@ if $@;	488	warn $@ if $@;
316	undef $busy;	489	undef $busy;
317	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
318		491
319	while ($busy) {	492	while ($busy) {
320	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
321	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
322		503
323	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
324	} else {	505	} else {
325	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
326		507
…		…
346	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
347		528
348	$coro	529	$coro
349	}	530	}
350		531
351	sub write_runtime {	532	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		533
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
355	or return;	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.
356		538
357	my $value = $cf::RUNTIME + 90 + 10;	539	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		540
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	541	sub fork_call(&@) {
362	and return;	542	my ($cb, @args) = @_;
363		543
364	# always fsync - this file is important	544	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	545	# otherwise perl prematurely frees the stuff :/
366	and return;	546	# TODO: investigate and fix (likely this will be rather laborious)
367		547
368	close $fh	548	my @res = Coro::Util::fork_eval {
369	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
370		552
371	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
372	and return;	554	}
373		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
374	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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 });
375	}	719	}
376		720
377	=back	721	=back
378		722
379	=cut	723	=cut
…		…
386	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")
387	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
388		732
389	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>
390	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
391	crossfire+).	735	Deliantra).
392		736
393	=over 4	737	=over 4
394		738
395	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
396		740
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
560		904
561	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		909
566	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	911	my $pkg = shift @arg;
568		912
569	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
599	}	943	}
600		944
601	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
602	} else {	946	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	948	}
605		949
606	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
607	}	951	}
608		952
…		…
610	if (ref $_[0]) {	954	if (ref $_[0]) {
611	_object_attach @_;	955	_object_attach @_;
612	} else {	956	} else {
613	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
614	}	958	}
		959	_recalc_want;
615	};	960	};
616		961
617	# all those should be optimised	962	# all those should be optimised
618	sub cf::attachable::detach {	963	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
623	reattach ($obj);	968	reattach ($obj);
624	} else {	969	} else {
625	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
626	}	971	}
		972	_recalc_want;
627	};	973	};
628		974
629	sub cf::attachable::attached {	975	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
631		977
…		…
646	";	992	";
647	die if $@;	993	die if $@;
648	}	994	}
649		995
650	our $override;	996	our $override;
651	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?
652		998
653	sub override {	999	sub override {
654	$override = 1;	1000	$override = 1;
655	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
656	}	1002	}
657		1003
658	sub do_invoke {	1004	sub do_invoke {
659	my $event = shift;	1005	my $event = shift;
660	my $callbacks = shift;	1006	my $callbacks = shift;
661		1007
662	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
663		1009
664	local $override;	1010	local $override;
665		1011
666	for (@$callbacks) {	1012	for (@$callbacks) {
667	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
676	}	1022	}
677		1023
678	0	1024	0
679	}	1025	}
680		1026
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1028
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1030
685	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
686		1032
687	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
688	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
689	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1036
691	=back	1037	=back
692		1038
693	=cut	1039	=cut
694		1040
695	#############################################################################	1041	#############################################################################
696	# 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, $ob2
		1084	}
697		1085
698	sub reattach {	1086	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1088	my ($obj) = @_;
701		1089
…		…
722	cf::attachable->attach (	1110	cf::attachable->attach (
723	prio => -1000000,	1111	prio => -1000000,
724	on_instantiate => sub {	1112	on_instantiate => sub {
725	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
726		1114
727	$data = from_json $data;	1115	$data = decode_json $data;
728		1116
729	for (@$data) {	1117	for (@$data) {
730	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
731		1119
732	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1136	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
750		1138
751	sync_job {	1139	sync_job {
752	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
755		1144
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1149	close $fh;
761		1150
762	if (@$objs) {	1151	if (@$objs) {
763	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) {
764	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1157	close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
770	}	1159	}
…		…
778	}	1167	}
779	} else {	1168	} else {
780	aio_unlink $filename;	1169	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
782	}	1171	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1172	};
790	}	1173	}
791		1174
792	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
794		1177
…		…
799		1182
800	sub object_thawer_load {	1183	sub object_thawer_load {
801	my ($filename) = @_;	1184	my ($filename) = @_;
802		1185
803	my ($data, $av);	1186	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1187
808	(aio_load $filename, $data) >= 0	1188	(aio_load $filename, $data) >= 0
809	or return;	1189	or return;
810		1190
811	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
813	or return;	1193	or return;
		1194
814	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
815	}	1197	}
816		1198
		1199	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
819	return ($data, $av);	1203	($data, $av)
820	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
821		1211
822	#############################################################################	1212	#############################################################################
823	# command handling &c	1213	# command handling &c
824		1214
825	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1229	}
840		1230
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1232
843	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.
844		1238
845	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
846	called.	1240	called.
847		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
848	=cut	1253	=cut
849		1254
850	sub register_extcmd {	1255	sub register_extcmd {
851	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
852		1257
853	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
854	}	1265	}
855		1266
856	cf::player->attach (	1267	cf::player->attach (
857	on_command => sub {	1268	on_command => sub {
858	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1278	cf::override;
868	},	1279	},
869	on_extcmd => sub {	1280	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
871		1282
872	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1284
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
880	} else {	1300	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1302	}
883		1303
884	cf::override;	1304	cf::override;
885	},	1305	},
886	);	1306	);
887		1307
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
923	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1313	next unless -r $path;
925	eval {	1314
926	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	$progress = 1;
927	1	1371	}
928	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
929	}	1377	};
930	}	1378	}
931		1379
932	#############################################################################	1380	#############################################################################
933		1381
		1382	=back
		1383
934	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
935		1385
936	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
937		1387
938	=cut	1388	=cut
…		…
943		1393
944	=head3 cf::player	1394	=head3 cf::player
945		1395
946	=over 4	1396	=over 4
947		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
948	=item cf::player::find $login	1412	=item cf::player::find $login
949		1413
950	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
951		1415
952	=cut	1416	=cut
953		1417
954	sub playerdir($) {	1418	sub playerdir($) {
955	cf::localdir	1419	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1421	}
961		1422
962	sub path($) {	1423	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1425
965	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
966	}	1427	}
967		1428
968	sub find_active($) {	1429	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1444	my $login = $_[0];
984		1445
985	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
986		1447
987	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
988	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
989	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
991	}	1464	}
992	}	1465	}
993	}	1466	}
994		1467
…		…
1003	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1004		1477
1005	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1007		1480
		1481	cf::get_slot 0.01;
		1482
1008	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1009	Coro::cede;	1484	cf::cede_to_tick;
1010	}	1485	}
1011		1486
1012	sub new($) {	1487	sub new($) {
1013	my ($login) = @_;	1488	my ($login) = @_;
1014		1489
…		…
1020	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1021		1496
1022	$self	1497	$self
1023	}	1498	}
1024		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
		1508	}
		1509
1025	=item $pl->quit_character	1510	=item $pl->quit_character
1026		1511
1027	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1513	be destroyed. May block for a long time.
1029		1514
1030	=cut	1515	=cut
1031		1516
1032	sub quit_character {	1517	sub quit_character {
1033	my ($pl) = @_;	1518	my ($pl) = @_;
		1519
		1520	my $name = $pl->ob->name;
1034		1521
1035	$pl->{deny_save} = 1;	1522	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1523	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1524
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1530	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1531	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1532	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1533	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1534	$pl->destroy;
		1535
		1536	my $prefix = qr<^~\Q$name\E/>;
		1537
		1538	# nuke player maps
		1539	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1540
1048	IO::AIO::aio_rmtree $temp;	1541	IO::AIO::aio_rmtree $temp;
		1542	}
		1543
		1544	=item $pl->kick
		1545
		1546	Kicks a player out of the game. This destroys the connection.
		1547
		1548	=cut
		1549
		1550	sub kick {
		1551	my ($pl, $kicker) = @_;
		1552
		1553	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1554	$pl->killer ("kicked");
		1555	$pl->ns->destroy;
1049	}	1556	}
1050		1557
1051	=item cf::player::list_logins	1558	=item cf::player::list_logins
1052		1559
1053	Returns am arrayref of all valid playernames in the system, can take a	1560	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1561	while and may block, so not sync_job-capable, ever.
1055		1562
1056	=cut	1563	=cut
1057		1564
1058	sub list_logins {	1565	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1566	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1567	or return [];
1061		1568
1062	my @logins;	1569	my @logins;
1063		1570
1064	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1068		1580
1069	utf8::decode $login;	1581	utf8::decode $login;
1070	push @logins, $login;	1582	push @logins, $login;
1071	}	1583	}
1072		1584
…		…
1099	}	1611	}
1100		1612
1101	\@paths	1613	\@paths
1102	}	1614	}
1103		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1105		1710
1106	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1107		1712
1108	=cut	1713	=cut
1109		1714
1110	sub ext_reply($$$%) {	1715	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1112		1717
1113	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1719	}
1117		1720
1118	package cf;	1721	=item $player->ext_msg ($type, @msg)
		1722
		1723	Sends an ext event to the client.
		1724
		1725	=cut
		1726
		1727	sub ext_msg($$@) {
		1728	my ($self, $type, @msg) = @_;
		1729
		1730	$self->ns->ext_msg ($type, @msg);
		1731	}
		1732
		1733	=head3 cf::region
		1734
		1735	=over 4
		1736
		1737	=cut
		1738
		1739	package cf::region;
		1740
		1741	=item cf::region::find_by_path $path
		1742
		1743	Tries to decuce the likely region for a map knowing only its path.
		1744
		1745	=cut
		1746
		1747	sub find_by_path($) {
		1748	my ($path) = @_;
		1749
		1750	my ($match, $specificity);
		1751
		1752	for my $region (list) {
		1753	if ($region->{match} && $path =~ $region->{match}) {
		1754	($match, $specificity) = ($region, $region->specificity)
		1755	if $region->specificity > $specificity;
		1756	}
		1757	}
		1758
		1759	$match
		1760	}
1119		1761
1120	=back	1762	=back
1121
1122		1763
1123	=head3 cf::map	1764	=head3 cf::map
1124		1765
1125	=over 4	1766	=over 4
1126		1767
…		…
1138	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1140		1781
1141	sub generate_random_map {	1782	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1143	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1788	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1182		1826
1183	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1184	local $self->{path};	1828	local $self->{path};
1185	local $self->{load_path};	1829	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1830
1189	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1190	}	1832	}
1191		1833
1192	sub normalise {	1834	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1240	return $self;	1882	return $self;
1241	}	1883	}
1242	}	1884	}
1243		1885
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1887	()
1246	}	1888	}
1247		1889
1248	sub init {	1890	sub init {
1249	my ($self) = @_;	1891	my ($self) = @_;
…		…
1264		1906
1265	# the original (read-only) location	1907	# the original (read-only) location
1266	sub load_path {	1908	sub load_path {
1267	my ($self) = @_;	1909	my ($self) = @_;
1268		1910
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1270	}	1912	}
1271		1913
1272	# the temporary/swap location	1914	# the temporary/swap location
1273	sub save_path {	1915	sub save_path {
1274	my ($self) = @_;	1916	my ($self) = @_;
1275		1917
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1278	}	1920	}
1279		1921
1280	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1281	sub uniq_path {	1923	sub uniq_path {
1282	my ($self) = @_;	1924	my ($self) = @_;
1283		1925
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1286	}	1928	}
1287		1929
1288	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1289	# all maps in C++...	1931	# all maps in C++...
1290	sub change_all_map_light {	1932	sub change_all_map_light {
…		…
1292		1934
1293	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1295	}	1937	}
1296		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1297	sub unlink_save {	1947	sub unlink_save {
1298	my ($self) = @_;	1948	my ($self) = @_;
1299		1949
1300	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1952	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1953	}
1309		1954
1310	sub load_header_from($) {	1955	sub load_header_from($) {
1311	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1312		1957
1313	utf8::encode $path;	1958	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1319		1967
1320	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1321		1969
1322	1	1970	1
1323	}	1971	}
…		…
1362	$self->load_header_orig	2010	$self->load_header_orig
1363	or return;	2011	or return;
1364	$self->prepare_orig;	2012	$self->prepare_orig;
1365	}	2013	}
1366		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
		2018	$self->default_region (cf::region::find_by_path $self->{path})
		2019	unless $self->default_region;
		2020
1367	1	2021	1
1368	}	2022	}
1369		2023
1370	sub find;	2024	sub find;
1371	sub find {	2025	sub find {
1372	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1373		2027
1374	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1375		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1377		2032
1378	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1380	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1381	or return;	2038	or return;
1382		2039
1383	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1384		2041
1385	$map->load_header	2042	$map->load_header
1386	or return;	2043	or return;
1387		2044
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1391	$map->reset;	2050	$map->reset;
1392	undef $guard;
1393	return find $path;	2051	return find $path;
1394	}	2052	}
1395		2053
1396	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1397	}	2055	}
…		…
1404	my ($self) = @_;	2062	my ($self) = @_;
1405		2063
1406	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1407		2065
1408	my $path = $self->{path};	2066	my $path = $self->{path};
		2067
		2068	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1410		2070
		2071	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2073
1413	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1414		2075
1415	$self->alloc;	2076	$self->alloc;
1416		2077
1417	$self->pre_load;	2078	$self->pre_load;
		2079	cf::cede_to_tick;
1418		2080
1419	$self->_load_objects ($self->{load_path}, 1)	2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
		2083	$self->_load_objects ($f)
1420	or return;	2084	or return;
1421		2085
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	2087	if delete $self->{load_original};
1424		2088
1425	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2090	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2093	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1430	}	2097	}
1431	}	2098	}
1432		2099
1433	Coro::cede;	2100	$f->resolve_delayed_derefs;
1434		2101
		2102	cf::cede_to_tick;
1435	# now do the right thing for maps	2103	# now do the right thing for maps
1436	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2106	unless $self->difficulty;
1446	Coro::cede;	2107	cf::cede_to_tick;
		2108
		2109	unless ($self->{deny_activate}) {
		2110	$self->decay_objects;
		2111	$self->fix_auto_apply;
		2112	$self->update_buttons;
		2113	cf::cede_to_tick;
		2114	$self->set_darkness_map;
		2115	cf::cede_to_tick;
1447	$self->activate;	2116	$self->activate;
		2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2123	}
1449		2124
1450	$self->post_load;	2125	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2126	}
1454		2127
1455	sub customise_for {	2128	sub customise_for {
1456	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1457		2130
1458	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2132	if $self->per_player;
1460		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1461	$self	2137	$self
1462	}	2138	}
1463		2139
1464	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2141	sub load_neighbours {
1466	my ($map) = @_;	2142	my ($map) = @_;
1467		2143
1468	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1469		2145
1470	for (0 .. 3) {	2146	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1472	or next;	2148	or next;
1473	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1474	or next;	2150	or next;
1475	$neigh->load;	2151	$neigh->load;
1476		2152
		2153	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2156	}
1480		2157
1481	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1483	or next;	2161	or next;
1484	$neigh->load;	2162	$neigh->load;
1485	}	2163	}
1486	}	2164	}
1487		2165
…		…
1492	}	2170	}
1493		2171
1494	sub do_load_sync {	2172	sub do_load_sync {
1495	my ($map) = @_;	2173	my ($map) = @_;
1496		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1497	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1498	}	2179	}
1499		2180
1500	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1502		2183
1503	sub find_async {	2184	sub find_async {
1504	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1505		2186
1506	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1507		2188
1508	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2191	}
1511		2192
1512	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1513	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1514	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2200	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2201	$map->load if $v;
		2202	}
1519		2203
1520	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1521	}	2205	}
1522	}	2206	}
1523	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1524	};	2208	};
1525	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2212	}
1529		2213
1530	sub save {	2214	sub save {
1531	my ($self) = @_;	2215	my ($self) = @_;
1532		2216
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2218
1535	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1536		2220
1537	return unless $self->dirty;	2221	return unless $self->dirty;
1538		2222
…		…
1544	return if $self->{deny_save};	2228	return if $self->{deny_save};
1545		2229
1546	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1547		2231
1548	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1550	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1551		2238
1552	if ($uniq) {	2239	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2242	} else {
…		…
1561	my ($self) = @_;	2248	my ($self) = @_;
1562		2249
1563	# save first because save cedes	2250	# save first because save cedes
1564	$self->save;	2251	$self->save;
1565		2252
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2254
1568	return if $self->players;	2255	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1570	return if $self->{deny_save};	2257	return if $self->{deny_save};
1571		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2263	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2264	}
1575		2265
1576	sub reset_at {	2266	sub reset_at {
1577	my ($self) = @_;	2267	my ($self) = @_;
1578		2268
1579	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1582		2271
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2274
…		…
1596	my ($self) = @_;	2285	my ($self) = @_;
1597		2286
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2288
1600	return if $self->players;	2289	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2290
1603	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
		2292
		2293	$self->in_memory (cf::MAP_SWAPPED);
		2294
		2295	# need to save uniques path
		2296	unless ($self->{deny_save}) {
		2297	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2298
		2299	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2300	if $uniq;
		2301	}
1604		2302
1605	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1606		2304
1607	$self->in_memory (cf::MAP_SWAPPED);	2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2307	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2308
1612	$self->unlink_save;	2309	$self->unlink_save;
1613	$self->destroy;	2310	$self->destroy;
1614	}	2311	}
1615		2312
1616	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1617		2314
1618	sub nuke {	2315	sub nuke {
1619	my ($self) = @_;	2316	my ($self) = @_;
1620		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1621	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1622		2322
1623	$self->unlink_save;	2323	$self->unlink_save;
1624		2324
1625	bless $self, "cf::map";	2325	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2330
1631	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1632		2333
1633	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1634	}	2371	}
1635		2372
1636	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1637		2374
1638	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2376	instantiated unique items. May block.
1640		2377
1641	=cut	2378	=cut
1642		2379
1643	sub unique_maps() {	2380	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2381	[
1645	or return;	2382	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2383	utf8::decode $_;
1651	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2386	? ()
1654	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2389	]
1656
1657	\@paths
1658	}	2390	}
1659
1660	package cf;
1661		2391
1662	=back	2392	=back
1663		2393
1664	=head3 cf::object	2394	=head3 cf::object
1665		2395
…		…
1669		2399
1670	=over 4	2400	=over 4
1671		2401
1672	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1673		2403
1674	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1675		2406
1676	=cut	2407	=cut
1677		2408
1678	sub inv_recursive_;	2409	sub inv_recursive_;
1679	sub inv_recursive_ {	2410	sub inv_recursive_ {
1680	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1681	}	2412	}
1682		2413
1683	sub inv_recursive {	2414	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1685	}	2444	}
1686		2445
1687	package cf;	2446	package cf;
1688		2447
1689	=back	2448	=back
…		…
1708		2467
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2469
1711	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1713	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1716	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1717	}	2495	}
1718		2496
1719	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1720		2498
1721	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1769		2547
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2549
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1774		2552
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2554	}
1777		2555
1778	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1780		2560
1781	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1782		2562
1783	unless ($map) {	2563	unless ($map) {
1784	# restore original map position	2564	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1801		2581
1802	$map->load;	2582	$map->load;
1803	$map->load_diag;	2583	$map->load_neighbours;
1804		2584
1805	return unless $self->contr->active;	2585	return unless $self->contr->active;
1806	$self->activate_recursive;	2586	$self->activate_recursive;
		2587
		2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1808	}	2590	}
1809		2591
1810	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2593
1814	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1818	};	2598	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2599
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1845		2603
1846	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2609
1849	$self->enter_link;	2610	$self->enter_link;
1850		2611
1851	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1852	my $map = eval {	2634	my $map = eval {
1853	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
		2639	$map = $check->($map) if $check && $map;
		2640	} else {
		2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
		2643
1855	$map	2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2650	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1860	})->prio (1);	2658	})->prio (1);
1861	}	2659	}
1862		2660
1863	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1864		2662
…		…
1901	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
1902	}	2700	}
1903		2701
1904	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
1905		2703
1906	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
1909		2707
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2710	undef $fh;
1913	aio_rename "$meta~", $meta;	2711	aio_rename "$meta~", $meta;
…		…
1922		2720
1923	return unless $self->type == cf::PLAYER;	2721	return unless $self->type == cf::PLAYER;
1924		2722
1925	if ($exit->slaying eq "/!") {	2723	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2725	# the problem is that $exit might not survive long enough
		2726	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2727	cf::sync_job { prepare_random_map $exit };
1928	}	2728	}
1929		2729
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
1933		2733
1934	$self->enter_link;	2734	$self->enter_link;
1935		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
1936	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
1937	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2744	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
1940		2746
1941	1;	2747	1;
1942	}) {	2748	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2749	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2750	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2751	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2752	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2753
1948	warn "ERROR in enter_exit: $@";	2754	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2755	$self->leave_link;
1950	}	2756	}
1951	})->prio (1);	2757	})->prio (1);
…		…
1964		2770
1965	sub cf::client::send_drawinfo {	2771	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2772	my ($self, $text, $flags) = @_;
1967		2773
1968	utf8::encode $text;	2774	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2776	}
1971		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
		2902	=item $client->ext_msg ($type, @msg)
		2903
		2904	Sends an ext event to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_msg($$@) {
		2909	my ($self, $type, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
		2914	push @msg, msgtype => "event_$type";
		2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
		2935	}
1972		2936
1973	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
1974		2938
1975	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2942
1979	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2944	become reliable at some point in the future.
1981		2945
1982	=cut	2946	=cut
1983		2947
1984	sub cf::client::query {	2948	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2957	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2959
1996	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
1998	}	2964	}
1999		2965
2000	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2001	on_reply => sub {	2972	on_reply => sub {
2002	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2003		2974
2004	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2005	# get handled first	2976	# get handled first
…		…
2017	} else {	2988	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2990	}
2020	}	2991	}
2021	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2022	);	3019	);
2023		3020
2024	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2025		3022
2026	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2069		3066
2070	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2071		3068
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2073		3074
2074	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2075		3076
2076	=pod	3077	=pod
2077		3078
2078	The following fucntions and emthods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2079		3080
2080	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease_ob_nr
		3084
2081	cf::object::player player	3085	cf::object::player
2082	cf::player peaceful	3086	player
2083	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2084		3093
2085	=cut	3094	=cut
2086		3095
2087	for (	3096	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2089	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2092	) {	3103	) {
2093	no strict 'refs';	3104	no strict 'refs';
…		…
2164	=back	3175	=back
2165		3176
2166	=cut	3177	=cut
2167		3178
2168	#############################################################################	3179	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	3180	# the server's init and main functions
2278		3181
		3182	sub load_facedata($) {
		3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3190
		3191	warn "loading facedata from $path\n";
		3192
		3193	my $facedata;
		3194	0 < aio_load $path, $facedata
		3195	or die "$path: $!";
		3196
		3197	$facedata = Coro::Storable::thaw $facedata;
		3198
		3199	$facedata->{version} == 2
		3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
		3209	{
		3210	my $faces = $facedata->{faceinfo};
		3211
		3212	while (my ($face, $info) = each %$faces) {
		3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
		3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
		3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3219
		3220	cf::cede_to_tick;
		3221	}
		3222
		3223	while (my ($face, $info) = each %$faces) {
		3224	next unless $info->{smooth};
		3225
		3226	my $idx = cf::face::find $face
		3227	or next;
		3228
		3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
		3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3232	} else {
		3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3234	}
		3235
		3236	cf::cede_to_tick;
		3237	}
		3238	}
		3239
		3240	{
		3241	my $anims = $facedata->{animinfo};
		3242
		3243	while (my ($anim, $info) = each %$anims) {
		3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3245	cf::cede_to_tick;
		3246	}
		3247
		3248	cf::anim::invalidate_all; # d'oh
		3249	}
		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
		3286	1
		3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
2279	sub load_resources {	3317	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321	$status
		3322	}
		3323
		3324	sub reload_regions {
		3325	# HACK to clear player env face cache, we need some signal framework
		3326	# for this (global event?)
		3327	%ext::player_env::MUSIC_FACE_CACHE = ();
		3328
		3329	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3330	or die "unable to load regions file\n";
2282	}
2283		3331
2284	sub cfg_load {	3332	for (cf::region::list) {
		3333	$_->{match} = qr/$_->{match}/
		3334	if exists $_->{match};
		3335	}
		3336	}
		3337
		3338	sub reload_facedata {
		3339	load_facedata "$DATADIR/facedata"
		3340	or die "unable to load facedata\n";
		3341	}
		3342
		3343	sub reload_archetypes {
		3344	load_resource_file "$DATADIR/archetypes"
		3345	or die "unable to load archetypes\n";
		3346	}
		3347
		3348	sub reload_treasures {
		3349	load_resource_file "$DATADIR/treasures"
		3350	or die "unable to load treasurelists\n";
		3351	}
		3352
		3353	sub reload_resources {
		3354	warn "reloading resource files...\n";
		3355
		3356	reload_facedata;
		3357	reload_archetypes;
		3358	reload_regions;
		3359	reload_treasures;
		3360
		3361	warn "finished reloading resource files\n";
		3362	}
		3363
		3364	sub init {
		3365	my $guard = freeze_mainloop;
		3366
		3367	reload_resources;
		3368	}
		3369
		3370	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3372	or return;
2287		3373
2288	local $/;	3374	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3375	*CFG = YAML::Load <$fh>;
2290		3376
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2292		3378
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2300	};	3386	};
2301	warn $@ if $@;	3387	warn $@ if $@;
2302	}	3388	}
2303	}	3389	}
2304		3390
2305	sub init {
2306	load_resources;
2307	}
2308
2309	sub main {	3391	sub main {
2310	# we must not ever block the main coroutine	3392	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3393	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3394	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3395	(async {
2314	Event::one_event;	3396	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3397	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3398	})->prio (Coro::PRIO_MAX);
2316	};	3399	};
2317		3400
2318	cfg_load;	3401	{
2319	db_load;	3402	my $guard = freeze_mainloop;
		3403	reload_config;
		3404	db_init;
2320	load_extensions;	3405	load_extensions;
2321		3406
2322	$TICK_WATCHER->start;	3407	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3408	evthread_start IO::AIO::poll_fileno;
		3409	}
		3410
2323	Event::loop;	3411	EV::loop;
2324	}	3412	}
2325		3413
2326	#############################################################################	3414	#############################################################################
2327	# initialisation and cleanup	3415	# initialisation and cleanup
2328		3416
2329	# install some emergency cleanup handlers	3417	# install some emergency cleanup handlers
2330	BEGIN {	3418	BEGIN {
		3419	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3420	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3421	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3422	cf::cleanup "SIG$signal";
2339	},
2340	);	3423	};
		3424	}
		3425	}
		3426
		3427	sub write_runtime_sync {
		3428	my $runtime = "$LOCALDIR/runtime";
		3429
		3430	# first touch the runtime file to show we are still running:
		3431	# the fsync below can take a very very long time.
		3432
		3433	IO::AIO::aio_utime $runtime, undef, undef;
		3434
		3435	my $guard = cf::lock_acquire "write_runtime";
		3436
		3437	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3438	or return;
		3439
		3440	my $value = $cf::RUNTIME + 90 + 10;
		3441	# 10 is the runtime save interval, for a monotonic clock
		3442	# 60 allows for the watchdog to kill the server.
		3443
		3444	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3445	and return;
		3446
		3447	# always fsync - this file is important
		3448	aio_fsync $fh
		3449	and return;
		3450
		3451	# touch it again to show we are up-to-date
		3452	aio_utime $fh, undef, undef;
		3453
		3454	close $fh
		3455	or return;
		3456
		3457	aio_rename "$runtime~", $runtime
		3458	and return;
		3459
		3460	warn "runtime file written.\n";
		3461
2341	}	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2342	}	3506	}
2343		3507
2344	sub emergency_save() {	3508	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2346		3510
…		…
2352	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3522	$pl->save;
2358	}	3523	}
2359	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2360		3525
2361	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3528	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3529	$map->valid or next;
2365	$map->save;	3530	$map->save;
2366	}	3531	}
2367	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
		3533
		3534	warn "begin emergency database checkpoint\n";
		3535	BDB::db_env_txn_checkpoint $DB_ENV;
		3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2368	};	3541	};
2369		3542
2370	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2371	}	3544	}
2372		3545
		3546	sub post_cleanup {
		3547	my ($make_core) = @_;
		3548
		3549	warn Carp::longmess "post_cleanup backtrace"
		3550	if $make_core;
		3551	}
		3552
2373	sub reload() {	3553	sub do_reload_perl() {
2374	# can/must only be called in main	3554	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3555	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3556	warn "can only reload from main coroutine";
2377	return;	3557	return;
2378	}	3558	}
2379		3559
2380	warn "reloading...";	3560	warn "reloading...";
2381		3561
2382	warn "cancelling server ticker";	3562	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3563
		3564	cf::sync_job {
		3565	cf::write_runtime_sync; # external watchdog should not bark
2385	cf::emergency_save;	3566	cf::emergency_save;
		3567	cf::write_runtime_sync; # external watchdog should not bark
2386		3568
2387	eval {	3569	warn "syncing database to disk";
		3570	BDB::db_env_txn_checkpoint $DB_ENV;
		3571
2388	# if anything goes wrong in here, we should simply crash as we already saved	3572	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397		3573
2398	warn "flushing outstanding aio requests";	3574	warn "flushing outstanding aio requests";
2399	for (;;) {	3575	for (;;) {
		3576	BDB::flush;
2400	IO::AIO::flush;	3577	IO::AIO::flush;
2401	Coro::cede;	3578	Coro::cede_notself;
2402	last unless IO::AIO::nreqs;	3579	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3580	warn "iterate...";
2404	}	3581	}
		3582
		3583	++$RELOAD;
2405		3584
2406	warn "cancelling all extension coros";	3585	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3586	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3587	%EXT_CORO = ();
2409		3588
2410	warn "removing commands";	3589	warn "removing commands";
2411	%COMMAND = ();	3590	%COMMAND = ();
2412		3591
2413	warn "removing ext commands";	3592	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3593	%EXTCMD = ();
		3594	%EXTICMD = ();
2415		3595
2416	warn "unloading/nuking all extensions";	3596	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3597	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3598	warn "... unloading $pkg";
2419		3599
…		…
2449	Symbol::delete_package "safe::$_"	3629	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3630	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3631
2452	warn "unloading cf.pm \"a bit\"";	3632	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3633	delete $INC{"cf.pm"};
		3634	delete $INC{"cf/pod.pm"};
2454		3635
2455	# don't, removes xs symbols, too,	3636	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3637	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3638	#Symbol::delete_package __PACKAGE__;
2458		3639
…		…
2461	warn "reloading cf.pm";	3642	warn "reloading cf.pm";
2462	require cf;	3643	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3644	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3645
2465	warn "loading config and database again";	3646	warn "loading config and database again";
2466	cf::cfg_load;	3647	cf::reload_config;
2467	cf::db_load;
2468		3648
2469	warn "loading extensions";	3649	warn "loading extensions";
2470	cf::load_extensions;	3650	cf::load_extensions;
2471		3651
2472	warn "reattaching attachments to objects/players";	3652	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3653	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3654	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3655	reattach $_ for values %MAP;
		3656	warn "reattaching attachments to players";
		3657	reattach $_ for values %PLAYER;
2476		3658
2477	warn "loading reloadable resources";	3659	warn "leaving sync_job";
2478	load_resources;
2479		3660
2480	warn "restarting server ticker";	3661	1
2481		3662	} or do {
2482	$TICK_WATCHER->start;	3663	warn $@;
		3664	cf::cleanup "error while reloading, exiting.";
2483	};	3665	};
2484
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490		3666
2491	warn "reloaded";	3667	warn "reloaded";
2492	};	3668	};
2493		3669
2494	our $RELOAD_WATCHER; # used only during reload	3670	our $RELOAD_WATCHER; # used only during reload
2495		3671
		3672	sub reload_perl() {
		3673	# doing reload synchronously and two reloads happen back-to-back,
		3674	# coro crashes during coro_state_free->destroy here.
		3675
		3676	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3677	do_reload_perl;
		3678	undef $RELOAD_WATCHER;
		3679	};
		3680	}
		3681
2496	register_command "reload" => sub {	3682	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3683	my ($who, $arg) = @_;
2498		3684
2499	if ($who->flag (FLAG_WIZ)) {	3685	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3686	$who->message ("reloading server.");
2501		3687	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3688	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3689	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3690	};
2514	}	3691	}
2515	};	3692	};
2516		3693
2517	unshift @INC, $LIBDIR;	3694	unshift @INC, $LIBDIR;
2518		3695
2519	my $bug_warning = 0;	3696	my $bug_warning = 0;
2520		3697
2521	$TICK_WATCHER = Event->timer (	3698	our @WAIT_FOR_TICK;
2522	reentrant => 0,	3699	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	3700
2524	prio => 0,	3701	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	3702	return if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	3703
2527	cb => sub {	3704	my $signal = new Coro::Signal;
		3705	push @WAIT_FOR_TICK, $signal;
		3706	$signal->wait;
		3707	}
		3708
		3709	sub wait_for_tick_begin {
		3710	return if tick_inhibit || $Coro::current == $Coro::main;
		3711
		3712	my $signal = new Coro::Signal;
		3713	push @WAIT_FOR_TICK_BEGIN, $signal;
		3714	$signal->wait;
		3715	}
		3716
		3717	sub tick {
2528	if ($Coro::current != $Coro::main) {	3718	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3719	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3720	unless ++$bug_warning > 10;
2531	return;	3721	return;
2532	}	3722	}
2533		3723
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	3724	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		3725
2540	$WAIT_FOR_TICK->broadcast;	3726	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3727	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2542		3728	Coro::async_pool {
2543	Event::sweep;	3729	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;
2545
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},
2555	);
2556
2557	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568
2569	$WRITE_RUNTIME_WATCHER = Event->timer (
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	after => 1,
2573	interval => 10,
2574	prio => 6, # keep it lowest so it acts like a watchdog
2575	cb => Coro::unblock_sub {
2576	write_runtime	3730	write_runtime_sync
2577	or warn "ERROR: unable to write runtime file: $!";	3731	or warn "ERROR: unable to write runtime file: $!";
		3732	};
2578	},	3733	}
2579	);	3734
		3735	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3736	$sig->send;
		3737	}
		3738	while (my $sig = shift @WAIT_FOR_TICK) {
		3739	$sig->send;
		3740	}
		3741
		3742	$LOAD = ($NOW - $TICK_START) / $TICK;
		3743	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3744
		3745	if (0) {
		3746	if ($NEXT_TICK) {
		3747	my $jitter = $TICK_START - $NEXT_TICK;
		3748	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3749	warn "jitter $JITTER\n";#d#
		3750	}
		3751	}
		3752	}
		3753
		3754	{
		3755	# configure BDB
		3756
		3757	BDB::min_parallel 8;
		3758	BDB::max_poll_reqs $TICK * 0.1;
		3759	$Coro::BDB::WATCHER->priority (1);
		3760
		3761	unless ($DB_ENV) {
		3762	$DB_ENV = BDB::db_env_create;
		3763	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3764	| BDB::LOG_AUTOREMOVE, 1);
		3765	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3766	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3767
		3768	cf::sync_job {
		3769	eval {
		3770	BDB::db_env_open
		3771	$DB_ENV,
		3772	$BDBDIR,
		3773	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3774	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3775	0666;
		3776
		3777	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3778	};
		3779
		3780	cf::cleanup "db_env_open(db): $@" if $@;
		3781	};
		3782	}
		3783
		3784	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3785	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3786	};
		3787	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3788	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3789	};
		3790	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3791	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3792	};
		3793	}
		3794
		3795	{
		3796	# configure IO::AIO
		3797
		3798	IO::AIO::min_parallel 8;
		3799	IO::AIO::max_poll_time $TICK * 0.1;
		3800	$Coro::AIO::WATCHER->priority (1);
		3801	}
		3802
		3803	my $_log_backtrace;
		3804
		3805	sub _log_backtrace {
		3806	my ($msg, @addr) = @_;
		3807
		3808	$msg =~ s/\n//;
		3809
		3810	# limit the # of concurrent backtraces
		3811	if ($_log_backtrace < 2) {
		3812	++$_log_backtrace;
		3813	async {
		3814	$Coro::current->{desc} = "abt $msg";
		3815
		3816	my @bt = fork_call {
		3817	@addr = map { sprintf "%x", $_ } @addr;
		3818	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3819	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3820	or die "addr2line: $!";
		3821
		3822	my @funcs;
		3823	my @res = <$fh>;
		3824	chomp for @res;
		3825	while (@res) {
		3826	my ($func, $line) = splice @res, 0, 2, ();
		3827	push @funcs, "[$func] $line";
		3828	}
		3829
		3830	@funcs
		3831	};
		3832
		3833	LOG llevInfo, "[ABT] $msg\n";
		3834	LOG llevInfo, "[ABT] $_\n" for @bt;
		3835	--$_log_backtrace;
		3836	};
		3837	} else {
		3838	LOG llevInfo, "[ABT] $msg\n";
		3839	LOG llevInfo, "[ABT] [suppressed]\n";
		3840	}
		3841	}
		3842
		3843	# load additional modules
		3844	use cf::pod;
2580		3845
2581	END { cf::emergency_save }	3846	END { cf::emergency_save }
2582		3847
2583	1	3848	1
2584		3849

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