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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC vs.
Revision 1.415 by root, Thu Apr 10 15:35:16 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 3.4 ();	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;	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;
53		105
54	our %CFG;	106	our %CFG;
55		107
56	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
58		111
59	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		115
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $TICK_START; # for load detecting purposes
		123
70	binmode STDOUT;	124	binmode STDOUT;
71	binmode STDERR;	125	binmode STDERR;
72		126
73	# read virtual server time, if available	127	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
78	}	132	}
79		133
80	mkdir cf::localdir;	134	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		136
86	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
87		140
88	#############################################################################	141	#############################################################################
89		142
90	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
91		144
…		…
98	=item $cf::RUNTIME	151	=item $cf::RUNTIME
99		152
100	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
101	every server tick.	154	every server tick.
102		155
103	=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
104		159
105	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		164
108	=item $cf::NOW	165	=item $cf::NOW
109		166
110	The time of the last (current) server tick.	167	The time of the last (current) server tick.
111		168
112	=item $cf::TICK	169	=item $cf::TICK
113		170
114	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	183	=item %cf::CFG
117		184
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	186	from wherever your confdir points to.
120		187
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		189
123	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
124	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
125	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.
126	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.
127		199
128	=back	200	=back
129		201
130	=cut	202	=cut
131		203
132	BEGIN {	204	BEGIN {
133	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	206	my $msg = join "", @_;
135	utf8::encode $msg;
136		207
137	$msg .= "\n"	208	$msg .= "\n"
138	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
139		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
140	LOG llevError, $msg;	213	LOG llevError, $msg;
141	};	214	};
142	}	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#?
143		231
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		239
151	# 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
152	# within the Safe compartment.	241	# within the Safe compartment.
153	for my $pkg (qw(	242	for my $pkg (qw(
154	cf::global cf::attachable	243	cf::global cf::attachable
…		…
159	)) {	248	)) {
160	no strict 'refs';	249	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	251	}
163		252
164	$Event::DIED = sub {	253	$EV::DIED = sub {
165	warn "error in event callback: @_";	254	warn "error in event callback: @_";
166	};	255	};
		256
		257	#############################################################################
167		258
168	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
169		260
170	=over 4	261	=over 4
171		262
…		…
190	$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;
191	$d	282	$d
192	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
193	}	284	}
194		285
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
198		287
199	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
200		289
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
209		291
210	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
211		293
212	=cut	294	=cut
213		295
214	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
216	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
218		300
219	=item cf::lock_wait $string	301	=item cf::lock_wait $string
220		302
221	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
222		304
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
228	returned.	310	returned.
229		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
230	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
231	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
232		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
233	=cut	322	=cut
234		323
235	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
236		326
237	sub lock_wait($) {	327	sub lock_wait($) {
238	my ($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#
239		334
240	# wait for lock, if any	335	# wait for lock, if any
241	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	338	Coro::schedule;
…		…
249		344
250	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
251	lock_wait $key;	346	lock_wait $key;
252		347
253	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
254		350
255	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
258	}	355	}
259	}	356	}
260		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
261	sub freeze_mainloop {	364	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
263		366
264	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	368	}
266	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
267	};	428	}
268	$WRITE_RUNTIME_WATCHER->stop;	429	};
269	$TICK_WATCHER->stop;	430
270	$guard	431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
271	}	441	}
272		442
273	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
274		444
275	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		450
281	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
282		452
283	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
284		454
285	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
288		459
289	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
292	fast or be very important.	463	fast or be very important.
…		…
295		466
296	sub sync_job(&) {	467	sub sync_job(&) {
297	my ($job) = @_;	468	my ($job) = @_;
298		469
299	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
300	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
302		475
303	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	477
305	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
306		479
307	my $busy = 1;	480	my $busy = 1;
308	my @res;	481	my @res;
309		482
310	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	485	@res = eval { $job->() };
312	warn $@ if $@;	486	warn $@ if $@;
313	undef $busy;	487	undef $busy;
314	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
315		489
316	while ($busy) {	490	while ($busy) {
317	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
318	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
319		501
320	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
321	} else {	503	} else {
322	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
323		505
…		…
343	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
344		526
345	$coro	527	$coro
346	}	528	}
347		529
348	sub write_runtime {	530	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		531
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	532	Executes the given code block with the given arguments in a seperate
352	or return;	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
353		536
354	my $value = $cf::RUNTIME + 90 + 10;	537	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		538
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	539	sub fork_call(&@) {
359	and return;	540	my ($cb, @args) = @_;
360		541
361	aio_fsync $fh	542	# we seemingly have to make a local copy of the whole thing,
362	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
363		545
364	close $fh	546	my @res = Coro::Util::fork_eval {
365	or return;	547	reset_signals;
		548	&$cb
		549	}, @args;
366		550
367	aio_rename "$runtime~", $runtime	551	wantarray ? @res : $res[-1]
368	and return;	552	}
369		553
		554	=item $coin = coin_from_name $name
		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
370	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
		706	}
		707
		708	=item cf::datalog type => key => value, ...
		709
		710	Log a datalog packet of the given type with the given key-value pairs.
		711
		712	=cut
		713
		714	sub datalog($@) {
		715	my ($type, %kv) = @_;
		716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	717	}
372		718
373	=back	719	=back
374		720
375	=cut	721	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
384		730
385	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	733	Deliantra).
388		734
389	=over 4	735	=over 4
390		736
391	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
392		738
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
556		902
557	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		907
562	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	909	my $pkg = shift @arg;
564		910
565	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
595	}	941	}
596		942
597	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
598	} else {	944	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	946	}
601		947
602	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
603	}	949	}
604		950
…		…
606	if (ref $_[0]) {	952	if (ref $_[0]) {
607	_object_attach @_;	953	_object_attach @_;
608	} else {	954	} else {
609	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
610	}	956	}
		957	_recalc_want;
611	};	958	};
612		959
613	# all those should be optimised	960	# all those should be optimised
614	sub cf::attachable::detach {	961	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
619	reattach ($obj);	966	reattach ($obj);
620	} else {	967	} else {
621	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
622	}	969	}
		970	_recalc_want;
623	};	971	};
624		972
625	sub cf::attachable::attached {	973	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
627		975
…		…
642	";	990	";
643	die if $@;	991	die if $@;
644	}	992	}
645		993
646	our $override;	994	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		996
649	sub override {	997	sub override {
650	$override = 1;	998	$override = 1;
651	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
652	}	1000	}
653		1001
654	sub do_invoke {	1002	sub do_invoke {
655	my $event = shift;	1003	my $event = shift;
656	my $callbacks = shift;	1004	my $callbacks = shift;
657		1005
658	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
659		1007
660	local $override;	1008	local $override;
661		1009
662	for (@$callbacks) {	1010	for (@$callbacks) {
663	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
672	}	1020	}
673		1021
674	0	1022	0
675	}	1023	}
676		1024
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1026
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1028
681	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
682		1030
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1034
687	=back	1035	=back
688		1036
689	=cut	1037	=cut
690		1038
691	#############################################################################	1039	#############################################################################
692	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
693		1083
694	sub reattach {	1084	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1086	my ($obj) = @_;
697		1087
…		…
718	cf::attachable->attach (	1108	cf::attachable->attach (
719	prio => -1000000,	1109	prio => -1000000,
720	on_instantiate => sub {	1110	on_instantiate => sub {
721	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
722		1112
723	$data = from_json $data;	1113	$data = decode_json $data;
724		1114
725	for (@$data) {	1115	for (@$data) {
726	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
727		1117
728	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1134	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
746		1136
747	sync_job {	1137	sync_job {
748	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
751		1142
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1146	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1147	close $fh;
757		1148
758	if (@$objs) {	1149	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1154	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1155	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
766	}	1157	}
767	} else {	1158	} else {
768	aio_unlink "$filename.pst";	1159	aio_unlink "$filename.pst";
…		…
774	}	1165	}
775	} else {	1166	} else {
776	aio_unlink $filename;	1167	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
778	}	1169	}
779	}	1170	};
780	}	1171	}
781		1172
782	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
784		1175
…		…
796	or return;	1187	or return;
797		1188
798	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
800	or return;	1191	or return;
		1192
801	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
802	}	1195	}
803		1196
		1197	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
806	return ($data, $av);	1201	($data, $av)
807	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
808		1209
809	#############################################################################	1210	#############################################################################
810	# command handling &c	1211	# command handling &c
811		1212
812	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1227	}
827		1228
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1230
830	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
831		1236
832	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
833	called.	1238	called.
834		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
835	=cut	1251	=cut
836		1252
837	sub register_extcmd {	1253	sub register_extcmd {
838	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
839		1255
840	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
841	}	1263	}
842		1264
843	cf::player->attach (	1265	cf::player->attach (
844	on_command => sub {	1266	on_command => sub {
845	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1276	cf::override;
855	},	1277	},
856	on_extcmd => sub {	1278	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
858		1280
859	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1282
861	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
867	} else {	1298	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1300	}
870		1301
871	cf::override;	1302	cf::override;
872	},	1303	},
873	);	1304	);
874		1305
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
910	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1311	next unless -r $path;
912	eval {	1312
913	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
914	1	1369	}
915	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
916	}	1375	};
917	}	1376	}
918		1377
919	#############################################################################	1378	#############################################################################
920		1379
		1380	=back
		1381
921	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
922		1383
923	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
924		1385
925	=cut	1386	=cut
…		…
930		1391
931	=head3 cf::player	1392	=head3 cf::player
932		1393
933	=over 4	1394	=over 4
934		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
		1409
935	=item cf::player::find $login	1410	=item cf::player::find $login
936		1411
937	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
938		1413
939	=cut	1414	=cut
940		1415
941	sub playerdir($) {	1416	sub playerdir($) {
942	cf::localdir	1417	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1419	}
948		1420
949	sub path($) {	1421	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1423
952	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
953	}	1425	}
954		1426
955	sub find_active($) {	1427	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1442	my $login = $_[0];
971		1443
972	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
973		1445
974	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1447	# rename old playerfiles to new ones
		1448	#TODO: remove when no longer required
		1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1452	aio_unlink +(playerdir $login) . "/$login.pl";
		1453
		1454	my $f = new_from_file cf::object::thawer path $login
976	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
978	}	1462	}
979	}	1463	}
980	}	1464	}
981		1465
…		…
991		1475
992	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
994		1478
995	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
996	Coro::cede;	1480	cf::cede_to_tick;
997	}	1481	}
998		1482
999	sub new($) {	1483	sub new($) {
1000	my ($login) = @_;	1484	my ($login) = @_;
1001		1485
…		…
1007	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1008		1492
1009	$self	1493	$self
1010	}	1494	}
1011		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
		1504	}
		1505
1012	=item $pl->quit_character	1506	=item $pl->quit_character
1013		1507
1014	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1509	be destroyed. May block for a long time.
1016		1510
1017	=cut	1511	=cut
1018		1512
1019	sub quit_character {	1513	sub quit_character {
1020	my ($pl) = @_;	1514	my ($pl) = @_;
		1515
		1516	my $name = $pl->ob->name;
1021		1517
1022	$pl->{deny_save} = 1;	1518	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1519	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1520
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1526	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1527	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1528	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1529	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1530	$pl->destroy;
		1531
		1532	my $prefix = qr<^~\Q$name\E/>;
		1533
		1534	# nuke player maps
		1535	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1536
1035	IO::AIO::aio_rmtree $temp;	1537	IO::AIO::aio_rmtree $temp;
		1538	}
		1539
		1540	=item $pl->kick
		1541
		1542	Kicks a player out of the game. This destroys the connection.
		1543
		1544	=cut
		1545
		1546	sub kick {
		1547	my ($pl, $kicker) = @_;
		1548
		1549	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1550	$pl->killer ("kicked");
		1551	$pl->ns->destroy;
1036	}	1552	}
1037		1553
1038	=item cf::player::list_logins	1554	=item cf::player::list_logins
1039		1555
1040	Returns am arrayref of all valid playernames in the system, can take a	1556	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1042		1558
1043	=cut	1559	=cut
1044		1560
1045	sub list_logins {	1561	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1563	or return [];
1048		1564
1049	my @logins;	1565	my @logins;
1050		1566
1051	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1055		1576
1056	utf8::decode $login;	1577	utf8::decode $login;
1057	push @logins, $login;	1578	push @logins, $login;
1058	}	1579	}
1059		1580
…		…
1067		1588
1068	=cut	1589	=cut
1069		1590
1070	sub maps($) {	1591	sub maps($) {
1071	my ($pl) = @_;	1592	my ($pl) = @_;
		1593
		1594	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1595
1073	my $files = aio_readdir playerdir $pl	1596	my $files = aio_readdir playerdir $pl
1074	or return;	1597	or return;
1075		1598
1076	my @paths;	1599	my @paths;
…		…
1078	for (@$files) {	1601	for (@$files) {
1079	utf8::decode $_;	1602	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1603	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1604	next unless /^$PATH_SEP/o;
1082		1605
1083	s/\.map$//;	1606	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1607	}
1086		1608
1087	\@paths	1609	\@paths
1088	}	1610	}
1089		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1091		1706
1092	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1093		1708
1094	=cut	1709	=cut
1095		1710
1096	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1098		1713
1099	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1715	}
1103		1716
1104	package cf;	1717	=item $player->ext_msg ($type, @msg)
		1718
		1719	Sends an ext event to the client.
		1720
		1721	=cut
		1722
		1723	sub ext_msg($$@) {
		1724	my ($self, $type, @msg) = @_;
		1725
		1726	$self->ns->ext_msg ($type, @msg);
		1727	}
		1728
		1729	=head3 cf::region
		1730
		1731	=over 4
		1732
		1733	=cut
		1734
		1735	package cf::region;
		1736
		1737	=item cf::region::find_by_path $path
		1738
		1739	Tries to decuce the likely region for a map knowing only its path.
		1740
		1741	=cut
		1742
		1743	sub find_by_path($) {
		1744	my ($path) = @_;
		1745
		1746	my ($match, $specificity);
		1747
		1748	for my $region (list) {
		1749	if ($region->{match} && $path =~ $region->{match}) {
		1750	($match, $specificity) = ($region, $region->specificity)
		1751	if $region->specificity > $specificity;
		1752	}
		1753	}
		1754
		1755	$match
		1756	}
1105		1757
1106	=back	1758	=back
1107
1108		1759
1109	=head3 cf::map	1760	=head3 cf::map
1110		1761
1111	=over 4	1762	=over 4
1112		1763
…		…
1167	my ($self, $merge) = @_;	1818	my ($self, $merge) = @_;
1168		1819
1169	# we have to keep some variables in memory intact	1820	# we have to keep some variables in memory intact
1170	local $self->{path};	1821	local $self->{path};
1171	local $self->{load_path};	1822	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1823
1175	$self->SUPER::thawer_merge ($merge);	1824	$self->SUPER::thawer_merge ($merge);
1176	}	1825	}
1177		1826
1178	sub normalise {	1827	sub normalise {
1179	my ($path, $base) = @_;	1828	my ($path, $base) = @_;
		1829
		1830	$path = "$path"; # make sure its a string
		1831
		1832	$path =~ s/\.map$//;
1180		1833
1181	# map plan:	1834	# map plan:
1182	#	1835	#
1183	# /! non-realised random map exit (special hack!)	1836	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1837	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1222	return $self;	1875	return $self;
1223	}	1876	}
1224	}	1877	}
1225		1878
1226	Carp::carp "unable to resolve path '$path'.";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1880	()
1228	}	1881	}
1229		1882
1230	sub init {	1883	sub init {
1231	my ($self) = @_;	1884	my ($self) = @_;
…		…
1246		1899
1247	# the original (read-only) location	1900	# the original (read-only) location
1248	sub load_path {	1901	sub load_path {
1249	my ($self) = @_;	1902	my ($self) = @_;
1250		1903
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1904	"$MAPDIR/$self->{path}.map"
1252	}	1905	}
1253		1906
1254	# the temporary/swap location	1907	# the temporary/swap location
1255	sub save_path {	1908	sub save_path {
1256	my ($self) = @_;	1909	my ($self) = @_;
1257		1910
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1912	"$TMPDIR/$path.map"
1260	}	1913	}
1261		1914
1262	# the unique path, undef == no special unique path	1915	# the unique path, undef == no special unique path
1263	sub uniq_path {	1916	sub uniq_path {
1264	my ($self) = @_;	1917	my ($self) = @_;
1265		1918
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1920	"$UNIQUEDIR/$path"
1268	}	1921	}
1269		1922
1270	# and all this just because we cannot iterate over	1923	# and all this just because we cannot iterate over
1271	# all maps in C++...	1924	# all maps in C++...
1272	sub change_all_map_light {	1925	sub change_all_map_light {
…		…
1274		1927
1275	$_->change_map_light ($change)	1928	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1929	for grep $_->outdoor, values %cf::MAP;
1277	}	1930	}
1278		1931
		1932	sub decay_objects {
		1933	my ($self) = @_;
		1934
		1935	return if $self->{deny_reset};
		1936
		1937	$self->do_decay_objects;
		1938	}
		1939
1279	sub unlink_save {	1940	sub unlink_save {
1280	my ($self) = @_;	1941	my ($self) = @_;
1281		1942
1282	utf8::encode (my $save = $self->save_path);	1943	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1944	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1947
1287	sub load_header_from($) {	1948	sub load_header_from($) {
1288	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1289		1950
1290	utf8::encode $path;	1951	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1292	or return;	1953	or return;
1293		1954
1294	$self->_load_header ($path)	1955	$self->_load_header ($f)
1295	or return;	1956	or return;
1296		1957
		1958	local $MAP_LOADING{$self->{path}} = $self;
		1959	$f->resolve_delayed_derefs;
		1960
1297	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1298		1962
1299	1	1963	1
1300	}	1964	}
1301		1965
1302	sub load_orig {	1966	sub load_header_orig {
1303	my ($self) = @_;	1967	my ($self) = @_;
1304		1968
1305	$self->load_header_from ($self->load_path)	1969	$self->load_header_from ($self->load_path)
1306	}	1970	}
1307		1971
1308	sub load_temp {	1972	sub load_header_temp {
1309	my ($self) = @_;	1973	my ($self) = @_;
1310		1974
1311	$self->load_header_from ($self->save_path)	1975	$self->load_header_from ($self->save_path)
		1976	}
		1977
		1978	sub prepare_temp {
		1979	my ($self) = @_;
		1980
		1981	$self->last_access ((delete $self->{last_access})
		1982	|| $cf::RUNTIME); #d#
		1983	# safety
		1984	$self->{instantiate_time} = $cf::RUNTIME
		1985	if $self->{instantiate_time} > $cf::RUNTIME;
		1986	}
		1987
		1988	sub prepare_orig {
		1989	my ($self) = @_;
		1990
		1991	$self->{load_original} = 1;
		1992	$self->{instantiate_time} = $cf::RUNTIME;
		1993	$self->last_access ($cf::RUNTIME);
		1994	$self->instantiate;
1312	}	1995	}
1313		1996
1314	sub load_header {	1997	sub load_header {
1315	my ($self) = @_;	1998	my ($self) = @_;
1316		1999
1317	if ($self->load_temp) {	2000	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	2001	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	2002	} else {
1324	$self->load_orig	2003	$self->load_header_orig
1325	or return;	2004	or return;
1326		2005	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	2006	}
		2007
		2008	$self->{deny_reset} = 1
		2009	if $self->no_reset;
		2010
		2011	$self->default_region (cf::region::find_by_path $self->{path})
		2012	unless $self->default_region;
1332		2013
1333	1	2014	1
1334	}	2015	}
1335		2016
1336	sub find;	2017	sub find;
1337	sub find {	2018	sub find {
1338	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1339		2020
1340	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1341		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1342	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1343		2025
1344	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1345	my $guard = cf::lock_acquire "map_find:$path";	2027	my $guard1 = cf::lock_acquire "map_find:$path";
		2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2029
1346	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1347	or return;	2031	or return;
1348		2032
1349	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1350		2034
1351	$map->load_header	2035	$map->load_header
1352	or return;	2036	or return;
1353		2037
1354	if ($map->should_reset) {	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	2039	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1357	$map->reset;	2043	$map->reset;
1358	undef $guard;
1359	$map = find $path	2044	return find $path;
1360	or return;
1361	}	2045	}
1362		2046
1363	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1364	}	2048	}
1365	}	2049	}
		2050
		2051	sub pre_load { }
		2052	sub post_load { }
1366		2053
1367	sub load {	2054	sub load {
1368	my ($self) = @_;	2055	my ($self) = @_;
1369		2056
		2057	local $self->{deny_reset} = 1; # loading can take a long time
		2058
1370	my $path = $self->{path};	2059	my $path = $self->{path};
		2060
		2061	{
1371	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1372		2063
		2064	return unless $self->valid;
1373	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1374		2066
1375	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1376		2068
1377	$self->alloc;	2069	$self->alloc;
1378	$self->_load_objects ($self->{load_path}, 1)	2070
		2071	$self->pre_load;
		2072	cf::cede_to_tick;
		2073
		2074	my $f = new_from_file cf::object::thawer $self->{load_path};
		2075	$f->skip_block;
		2076	$self->_load_objects ($f)
1379	or return;	2077	or return;
1380		2078
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1382	if delete $self->{load_original};	2080	if delete $self->{load_original};
1383		2081
1384	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;	2083	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1387	$self->clear_unique_items;	2086	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1389	}	2090	}
1390	}	2091	}
1391		2092
1392	Coro::cede;	2093	$f->resolve_delayed_derefs;
1393		2094
		2095	cf::cede_to_tick;
1394	# now do the right thing for maps	2096	# now do the right thing for maps
1395	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1396
1397	unless ($self->{deny_activate}) {
1398	$self->decay_objects;
1399	$self->fix_auto_apply;
1400	$self->update_buttons;
1401	Coro::cede;
1402	$self->set_darkness_map;
1403	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	2099	unless $self->difficulty;
1405	Coro::cede;	2100	cf::cede_to_tick;
		2101
		2102	unless ($self->{deny_activate}) {
		2103	$self->decay_objects;
		2104	$self->fix_auto_apply;
		2105	$self->update_buttons;
		2106	cf::cede_to_tick;
		2107	$self->set_darkness_map;
		2108	cf::cede_to_tick;
1406	$self->activate;	2109	$self->activate;
1407	}	2110	}
1408		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
		2114
1409	$self->in_memory (cf::MAP_IN_MEMORY);	2115	$self->in_memory (cf::MAP_IN_MEMORY);
		2116	}
		2117
		2118	$self->post_load;
1410	}	2119	}
1411		2120
1412	sub customise_for {	2121	sub customise_for {
1413	my ($self, $ob) = @_;	2122	my ($self, $ob) = @_;
1414		2123
1415	return find "~" . $ob->name . "/" . $self->{path}	2124	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	2125	if $self->per_player;
1417		2126
		2127	# return find "?party/" . $ob->name . "/" . $self->{path}
		2128	# if $self->per_party;
		2129
1418	$self	2130	$self
1419	}	2131	}
1420		2132
1421	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1422	sub load_diag {	2134	sub load_neighbours {
1423	my ($map) = @_;	2135	my ($map) = @_;
1424		2136
1425	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1426		2138
1427	for (0 .. 3) {	2139	for (0 .. 3) {
1428	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1429	or next;	2141	or next;
1430	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1431	or next;	2143	or next;
1432	$neigh->load;	2144	$neigh->load;
1433		2145
		2146	push @neigh,
1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1436	}	2149	}
1437		2150
1438	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1439	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1440	or next;	2154	or next;
1441	$neigh->load;	2155	$neigh->load;
1442	}	2156	}
1443	}	2157	}
1444		2158
…		…
1449	}	2163	}
1450		2164
1451	sub do_load_sync {	2165	sub do_load_sync {
1452	my ($map) = @_;	2166	my ($map) = @_;
1453		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1454	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1455	}	2172	}
1456		2173
1457	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1458	our $MAP_PREFETCHER = undef;	2175	our $MAP_PREFETCHER = undef;
1459		2176
1460	sub find_async {	2177	sub find_async {
1461	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1462		2179
1463	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1464		2181
1465	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	2184	}
1468		2185
1469	undef $MAP_PREFETCH{$path};	2186	$MAP_PREFETCH{$path} |= $load;
		2187
1470	$MAP_PREFETCHER ||= cf::async {	2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
1471	while (%MAP_PREFETCH) {	2191	while (%MAP_PREFETCH) {
1472	for my $path (keys %MAP_PREFETCH) {	2192	while (my ($k, $v) = each %MAP_PREFETCH) {
1473	my $map = find $path	2193	if (my $map = find $k) {
1474	or next;
1475	$map->load;	2194	$map->load if $v;
		2195	}
1476		2196
1477	delete $MAP_PREFETCH{$path};	2197	delete $MAP_PREFETCH{$k};
1478	}	2198	}
1479	}	2199	}
1480	undef $MAP_PREFETCHER;	2200	undef $MAP_PREFETCHER;
1481	};	2201	};
		2202	$MAP_PREFETCHER->prio (6);
1482		2203
1483	()	2204	()
1484	}	2205	}
1485		2206
1486	sub save {	2207	sub save {
1487	my ($self) = @_;	2208	my ($self) = @_;
1488		2209
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2211
1491	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1492		2213
1493	return unless $self->dirty;	2214	return unless $self->dirty;
1494		2215
…		…
1500	return if $self->{deny_save};	2221	return if $self->{deny_save};
1501		2222
1502	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1503		2224
1504	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1506	};	2228	};
1507		2229
1508	if ($uniq) {	2230	if ($uniq) {
1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1517	my ($self) = @_;	2239	my ($self) = @_;
1518		2240
1519	# save first because save cedes	2241	# save first because save cedes
1520	$self->save;	2242	$self->save;
1521		2243
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2245
1524	return if $self->players;	2246	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1526	return if $self->{deny_save};	2248	return if $self->{deny_save};
1527		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2254	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2255	}
1531		2256
1532	sub reset_at {	2257	sub reset_at {
1533	my ($self) = @_;	2258	my ($self) = @_;
1534		2259
1535	# TODO: safety, remove and allow resettable per-player maps	2260	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	2261	return 1e99 if $self->{deny_reset};
1538		2262
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2263	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2264	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2265
…		…
1552	my ($self) = @_;	2276	my ($self) = @_;
1553		2277
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		2279
1556	return if $self->players;	2280	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		2281
1559	warn "resetting map ", $self->path;#d#	2282	warn "resetting map ", $self->path;
		2283
		2284	$self->in_memory (cf::MAP_SWAPPED);
		2285
		2286	# need to save uniques path
		2287	unless ($self->{deny_save}) {
		2288	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2289
		2290	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2291	if $uniq;
		2292	}
1560		2293
1561	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1562		2295
1563	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
1564	$self->clear;	2298	$self->clear;
1565
1566	$_->clear_links_to ($self) for values %cf::MAP;
1567		2299
1568	$self->unlink_save;	2300	$self->unlink_save;
1569	$self->destroy;	2301	$self->destroy;
1570	}	2302	}
1571		2303
1572	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
1573		2305
1574	sub nuke {	2306	sub nuke {
1575	my ($self) = @_;	2307	my ($self) = @_;
1576		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
1577	delete $cf::MAP{$self->path};	2312	delete $cf::MAP{$self->path};
1578		2313
1579	$self->unlink_save;	2314	$self->unlink_save;
1580		2315
1581	bless $self, "cf::map";	2316	bless $self, "cf::map";
1582	delete $self->{deny_reset};	2317	delete $self->{deny_reset};
1583	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
1584	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1586		2321
1587	$cf::MAP{$self->path} = $self;	2322	$cf::MAP{$self->path} = $self;
		2323	}
1588		2324
1589	$self->reset; # polite request, might not happen	2325	$self->reset; # polite request, might not happen
		2326	}
		2327
		2328	=item $maps = cf::map::tmp_maps
		2329
		2330	Returns an arrayref with all map paths of currently instantiated and saved
		2331	maps. May block.
		2332
		2333	=cut
		2334
		2335	sub tmp_maps() {
		2336	[
		2337	map {
		2338	utf8::decode $_;
		2339	/\.map$/
		2340	? normalise $_
		2341	: ()
		2342	} @{ aio_readdir $TMPDIR or [] }
		2343	]
		2344	}
		2345
		2346	=item $maps = cf::map::random_maps
		2347
		2348	Returns an arrayref with all map paths of currently instantiated and saved
		2349	random maps. May block.
		2350
		2351	=cut
		2352
		2353	sub random_maps() {
		2354	[
		2355	map {
		2356	utf8::decode $_;
		2357	/\.map$/
		2358	? normalise "?random/$_"
		2359	: ()
		2360	} @{ aio_readdir $RANDOMDIR or [] }
		2361	]
1590	}	2362	}
1591		2363
1592	=item cf::map::unique_maps	2364	=item cf::map::unique_maps
1593		2365
1594	Returns an arrayref of paths of all shared maps that have	2366	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	2367	instantiated unique items. May block.
1596		2368
1597	=cut	2369	=cut
1598		2370
1599	sub unique_maps() {	2371	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2372	[
1601	or return;	2373	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	2374	utf8::decode $_;
1607	next if /\.pst$/;
1608	next unless /^$PATH_SEP/o;
1609
1610	s/\.map$//;	2375	/\.map$/
1611	push @paths, $_;	2376	? normalise $_
		2377	: ()
		2378	} @{ aio_readdir $UNIQUEDIR or [] }
1612	}	2379	]
1613
1614	\@paths
1615	}	2380	}
1616
1617	package cf;
1618		2381
1619	=back	2382	=back
1620		2383
1621	=head3 cf::object	2384	=head3 cf::object
1622		2385
…		…
1637	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
1638	}	2401	}
1639		2402
1640	sub inv_recursive {	2403	sub inv_recursive {
1641	inv_recursive_ inv $_[0]	2404	inv_recursive_ inv $_[0]
		2405	}
		2406
		2407	=item $ref = $ob->ref
		2408
		2409	creates and returns a persistent reference to an objetc that can be stored as a string.
		2410
		2411	=item $ob = cf::object::deref ($refstring)
		2412
		2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2414	even if the object actually exists. May block.
		2415
		2416	=cut
		2417
		2418	sub deref {
		2419	my ($ref) = @_;
		2420
		2421	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2422	my ($uuid, $name) = ($1, $2);
		2423	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2424	or return;
		2425	$pl->ob->uuid eq $uuid
		2426	or return;
		2427
		2428	$pl->ob
		2429	} else {
		2430	warn "$ref: cannot resolve object reference\n";
		2431	undef
		2432	}
1642	}	2433	}
1643		2434
1644	package cf;	2435	package cf;
1645		2436
1646	=back	2437	=back
…		…
1665		2456
1666	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2457	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667		2458
1668	if ($self->{record_replies}) {	2459	if ($self->{record_replies}) {
1669	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2460	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2461
1670	} else {	2462	} else {
		2463	my $pl = $self->contr;
		2464
		2465	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2466	my $dialog = $pl->{npc_dialog};
		2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2468
		2469	} else {
1671	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
1672	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
		2472	}
1673	}	2473	}
		2474	}
		2475
		2476	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2477
		2478	=cut
		2479
		2480	sub cf::object::send_msg {
		2481	my $pl = shift->contr
		2482	or return;
		2483	$pl->send_msg (@_);
1674	}	2484	}
1675		2485
1676	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
1677		2487
1678	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
1710	=cut	2520	=cut
1711		2521
1712	sub link_map {	2522	sub link_map {
1713	unless ($LINK_MAP) {	2523	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	2524	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2525	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	2526	$LINK_MAP->load;
1717	}	2527	}
1718		2528
1719	$LINK_MAP	2529	$LINK_MAP
1720	}	2530	}
…		…
1725	$self->deactivate_recursive;	2535	$self->deactivate_recursive;
1726		2536
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	2537	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		2538
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2539	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	2540	if $self->map && $self->map->{path} ne "{link}";
1731		2541
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2542	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1733	}	2543	}
1734		2544
1735	sub cf::object::player::leave_link {	2545	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	2546	my ($self, $map, $x, $y) = @_;
		2547
		2548	return unless $self->contr->active;
1737		2549
1738	my $link_pos = delete $self->{_link_pos};	2550	my $link_pos = delete $self->{_link_pos};
1739		2551
1740	unless ($map) {	2552	unless ($map) {
1741	# restore original map position	2553	# restore original map position
…		…
1755	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
1756	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
1757	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
1758		2570
1759	$map->load;	2571	$map->load;
1760	$map->load_diag;	2572	$map->load_neighbours;
1761		2573
1762	return unless $self->contr->active;	2574	return unless $self->contr->active;
1763	$self->activate_recursive;	2575	$self->activate_recursive;
		2576
		2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
1765	}	2579	}
1766		2580
1767	cf::player->attach (	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1768	on_logout => sub {
1769	my ($pl) = @_;
1770		2582
1771	# abort map switching before logout	2583	Moves the player to the given map-path and coordinates by first freezing
1772	if ($pl->ob->{_link_pos}) {	2584	her, loading and preparing them map, calling the provided $check callback
1773	cf::sync_job {	2585	that has to return the map if sucecssful, and then unfreezes the player on
1774	$pl->ob->leave_link	2586	the new (success) or old (failed) map position. In either case, $done will
1775	};	2587	be called at the end of this process.
1776	}
1777	},
1778	on_login => sub {
1779	my ($pl) = @_;
1780		2588
1781	# try to abort aborted map switching on player login :)
1782	# should happen only on crashes
1783	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;
1785	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);
1792	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;
1794	})->prio (2);
1795	}
1796	},
1797	);
1798
1799	=item $player_object->goto ($path, $x, $y)
1800
1801	=cut	2589	=cut
		2590
		2591	our $GOTOGEN;
1802		2592
1803	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
1804	my ($self, $path, $x, $y) = @_;	2594	my ($self, $path, $x, $y, $check, $done) = @_;
		2595
		2596	# do generation counting so two concurrent goto's will be executed in-order
		2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1805		2598
1806	$self->enter_link;	2599	$self->enter_link;
1807		2600
1808	(async {	2601	(async {
1809	my $map = cf::map::find $path;	2602	$Coro::current->{desc} = "player::goto $path $x $y";
		2603
		2604	# *tag paths override both path and x|y
		2605	if ($path =~ /^\*(.*)$/) {
		2606	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2607	my $ob = $obs[rand @obs];
		2608
		2609	# see if we actually can go there
		2610	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2611	$ob = $obs[rand @obs];
		2612	} else {
		2613	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	}
		2615	# else put us there anyways for now #d#
		2616
		2617	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2618	} else {
		2619	($path, $x, $y) = (undef, undef, undef);
		2620	}
		2621	}
		2622
		2623	my $map = eval {
		2624	my $map = defined $path ? cf::map::find $path : undef;
		2625
		2626	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	2627	$map = $map->customise_for ($self);
1811		2628	$map = $check->($map) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	2629	} else {
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	}
1816		2632
		2633	$map
		2634	};
		2635
		2636	if ($@) {
		2637	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2638	LOG llevError | logBacktrace, Carp::longmess $@;
		2639	}
		2640
		2641	if ($gen == $self->{_goto_generation}) {
		2642	delete $self->{_goto_generation};
1817	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
		2644	}
		2645
		2646	$done->() if $done;
1818	})->prio (1);	2647	})->prio (1);
1819	}	2648	}
1820		2649
1821	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
1822		2651
…		…
1851	# that depends on the exit object	2680	# that depends on the exit object
1852		2681
1853	my $rmp = parse_random_map_params $exit->msg;	2682	my $rmp = parse_random_map_params $exit->msg;
1854		2683
1855	if ($exit->map) {	2684	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2685	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2686	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2687	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
1860	}	2689	}
1861		2690
1862	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
1863		2692
1864	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
1865	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
1867		2696
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2699	undef $fh;
1871	aio_rename "$meta~", $meta;	2700	aio_rename "$meta~", $meta;
…		…
1878	sub cf::object::player::enter_exit {	2707	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2708	my ($self, $exit) = @_;
1880		2709
1881	return unless $self->type == cf::PLAYER;	2710	return unless $self->type == cf::PLAYER;
1882		2711
		2712	if ($exit->slaying eq "/!") {
		2713	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2714	# the problem is that $exit might not survive long enough
		2715	# so it needs to be done right now, right here
		2716	cf::sync_job { prepare_random_map $exit };
		2717	}
		2718
		2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2720	my $hp = $exit->stats->hp;
		2721	my $sp = $exit->stats->sp;
		2722
1883	$self->enter_link;	2723	$self->enter_link;
1884		2724
		2725	# if exit is damned, update players death & WoR home-position
		2726	$self->contr->savebed ($slaying, $hp, $sp)
		2727	if $exit->flag (FLAG_DAMNED);
		2728
1885	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
1886	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
1887	unless (eval {	2733	unless (eval {
1888	prepare_random_map $exit	2734	$self->goto ($slaying, $hp, $sp);
1889	if $exit->slaying eq "/!";
1890
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1893		2735
1894	1;	2736	1;
1895	}) {	2737	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the crossfire server. "
1897	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
1898	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2742
1901	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
1902	$self->leave_link;	2744	$self->leave_link;
1903	}	2745	}
1904	})->prio (1);	2746	})->prio (1);
…		…
1917		2759
1918	sub cf::client::send_drawinfo {	2760	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2761	my ($self, $text, $flags) = @_;
1920		2762
1921	utf8::encode $text;	2763	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2765	}
1924		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg);
		2832
		2833	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2834
		2835	# check predefined channels, for the benefit of C
		2836	if ($CHANNEL{$channel}) {
		2837	$channel = $CHANNEL{$channel};
		2838
		2839	$self->ext_msg (channel_info => $channel)
		2840	if $self->can_msg;
		2841
		2842	$channel = $channel->{id};
		2843
		2844	} elsif (ref $channel) {
		2845	# send meta info to client, if not yet sent
		2846	unless (exists $self->{channel}{$channel->{id}}) {
		2847	$self->{channel}{$channel->{id}} = $channel;
		2848	$self->ext_msg (channel_info => $channel)
		2849	if $self->can_msg;
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	if ($self->can_msg) {
		2858	# default colour, mask it out
		2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2860	if $color & cf::NDI_DEF;
		2861
		2862	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2864	} else {
		2865	if ($color >= 0) {
		2866	# replace some tags by gcfclient-compatible ones
		2867	for ($msg) {
		2868	1 while
		2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2874	}
		2875
		2876	$color &= cf::NDI_COLOR_MASK;
		2877
		2878	utf8::encode $msg;
		2879
		2880	if (0 && $msg =~ /\[/) {
		2881	# COMMAND/INFO
		2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2883	} else {
		2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2885	$self->send_packet ("drawinfo $color $msg")
		2886	}
		2887	}
		2888	}
		2889	}
		2890
		2891	=item $client->ext_msg ($type, @msg)
		2892
		2893	Sends an ext event to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_msg($$@) {
		2898	my ($self, $type, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
		2903	push @msg, msgtype => "event_$type";
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
		2924	}
1925		2925
1926	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
1927		2927
1928	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
1929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1931		2931
1932	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
1933	reliable at some point in the future.	2933	become reliable at some point in the future.
1934		2934
1935	=cut	2935	=cut
1936		2936
1937	sub cf::client::query {	2937	sub cf::client::query {
1938	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
1946	utf8::encode $text;	2946	utf8::encode $text;
1947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1948		2948
1949	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
1950	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
1951	}	2953	}
1952		2954
1953	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
1954	on_reply => sub {	2961	on_reply => sub {
1955	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
1956		2963
1957	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
1958	# get handled first	2965	# get handled first
1959	my $queue = delete $ns->{query_queue}	2966	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	2967	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		2968
1962	(shift @$queue)->[1]->($msg);	2969	(shift @$queue)->[1]->($msg);
		2970	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		2971
1964	push @{ $ns->{query_queue} }, @$queue;	2972	push @{ $ns->{query_queue} }, @$queue;
1965		2973
1966	if (@{ $ns->{query_queue} } == @$queue) {	2974	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	2975	if (@$queue) {
…		…
1969	} else {	2977	} else {
1970	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1971	}	2979	}
1972	}	2980	}
1973	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
1974	);	3008	);
1975		3009
1976	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
1977		3011
1978	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2019	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2020	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2021		3055
2022	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2023		3057
2024	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2025		3063
2026	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2027		3065
2028	=pod	3066	=pod
2029		3067
2030	The following fucntions and emthods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2031		3069
2032	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease_ob_nr
		3073
2033	cf::object::player player	3074	cf::object::player
2034	cf::player peaceful	3075	player
2035	cf::map trigger	3076
		3077	cf::player
		3078	peaceful
		3079
		3080	cf::map
		3081	trigger
2036		3082
2037	=cut	3083	=cut
2038		3084
2039	for (	3085	for (
2040	["cf::object" => qw(contr pay_amount pay_player map)],	3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3087	insert remove inv name archname title slaying race
		3088	decrease_ob_nr destroy)],
2041	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2042	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2043	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2044	) {	3092	) {
2045	no strict 'refs';	3093	no strict 'refs';
…		…
2116	=back	3164	=back
2117		3165
2118	=cut	3166	=cut
2119		3167
2120	#############################################################################	3168	#############################################################################
		3169	# the server's init and main functions
2121		3170
2122	=head2 EXTENSION DATABASE SUPPORT	3171	sub load_facedata($) {
		3172	my ($path) = @_;
2123		3173
2124	Crossfire maintains a very simple database for extension use. It can	3174	# HACK to clear player env face cache, we need some signal framework
2125	currently store anything that can be serialised using Storable, which	3175	# for this (global event?)
2126	excludes objects.	3176	%ext::player_env::MUSIC_FACE_CACHE = ();
2127		3177
2128	The parameter C<$family> should best start with the name of the extension	3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2129	using it, it should be unique.
2130		3179
2131	=over 4	3180	warn "loading facedata from $path\n";
2132		3181
2133	=item $hashref = cf::db_get $family	3182	my $facedata;
		3183	0 < aio_load $path, $facedata
		3184	or die "$path: $!";
2134		3185
2135	Return a hashref for use by the extension C<$family>, which can be	3186	$facedata = Coro::Storable::thaw $facedata;
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138		3187
2139	=item $value = cf::db_get $family => $key	3188	$facedata->{version} == 2
		3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140		3190
2141	Returns a single value from the database	3191	# patch in the exptable
2142		3192	$facedata->{resource}{"res/exp_table"} = {
2143	=item cf::db_put $family => $hashref	3193	type => FT_RSRC,
2144		3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2145	Stores the given family hashref into the database. Updates are delayed, if
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2147
2148	=item cf::db_put $family => $key => $value
2149
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160
2161	=cut
2162
2163	our $DB;
2164
2165	{
2166	my $path = cf::localdir . "/database.pst";
2167
2168	sub db_load() {
2169	$DB = stat $path ? Storable::retrieve $path : { };
2170	}
2171
2172	my $pid;
2173
2174	sub db_save() {
2175	waitpid $pid, 0 if $pid;
2176	if (0 == ($pid = fork)) {
2177	$DB->{_meta}{version} = 1;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});	3195	};
		3196	cf::cede_to_tick;
2194		3197
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}	3198	{
		3199	my $faces = $facedata->{faceinfo};
2199		3200
2200	sub db_get($;$) {	3201	while (my ($face, $info) = each %$faces) {
2201	@_ >= 2	3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2202	? $DB->{$_[0]}{$_[1]}
2203	: ($DB->{$_[0]} ||= { })
2204	}
2205		3203
2206	sub db_put($$;$) {	3204	cf::face::set_visibility $idx, $info->{visibility};
2207	if (@_ >= 3) {	3205	cf::face::set_magicmap $idx, $info->{magicmap};
2208	$DB->{$_[0]}{$_[1]} = $_[2];	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2209	} else {	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214		3208
2215	cf::global->attach (	3209	cf::cede_to_tick;
2216	prio => 10000,
2217	on_cleanup => sub {
2218	db_sync;
2219	},	3210	}
2220	);
2221	}
2222		3211
2223	#############################################################################	3212	while (my ($face, $info) = each %$faces) {
2224	# the server's main()	3213	next unless $info->{smooth};
2225		3214
2226	sub cfg_load {	3215	my $idx = cf::face::find $face
		3216	or next;
		3217
		3218	if (my $smooth = cf::face::find $info->{smooth}) {
		3219	cf::face::set_smooth $idx, $smooth;
		3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3221	} else {
		3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3223	}
		3224
		3225	cf::cede_to_tick;
		3226	}
		3227	}
		3228
		3229	{
		3230	my $anims = $facedata->{animinfo};
		3231
		3232	while (my ($anim, $info) = each %$anims) {
		3233	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3234	cf::cede_to_tick;
		3235	}
		3236
		3237	cf::anim::invalidate_all; # d'oh
		3238	}
		3239
		3240	{
		3241	# TODO: for gcfclient pleasure, we should give resources
		3242	# that gcfclient doesn't grok a >10000 face index.
		3243	my $res = $facedata->{resource};
		3244
		3245	while (my ($name, $info) = each %$res) {
		3246	if (defined $info->{type}) {
		3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3248	my $data;
		3249
		3250	if ($info->{type} & 1) {
		3251	# prepend meta info
		3252
		3253	my $meta = $enc->encode ({
		3254	name => $name,
		3255	%{ $info->{meta} || {} },
		3256	});
		3257
		3258	$data = pack "(w/a*)*", $meta, $info->{data};
		3259	} else {
		3260	$data = $info->{data};
		3261	}
		3262
		3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3264	cf::face::set_type $idx, $info->{type};
		3265	} else {
		3266	$RESOURCE{$name} = $info;
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3274
		3275	1
		3276	}
		3277
		3278	cf::global->attach (on_resource_update => sub {
		3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3281
		3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3283	my $sound = $soundconf->{compat}[$_]
		3284	or next;
		3285
		3286	my $face = cf::face::find "sound/$sound->[1]";
		3287	cf::sound::set $sound->[0] => $face;
		3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3289	}
		3290
		3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3292	my $face = cf::face::find "sound/$v";
		3293	cf::sound::set $k => $face;
		3294	}
		3295	}
		3296	});
		3297
		3298	register_exticmd fx_want => sub {
		3299	my ($ns, $want) = @_;
		3300
		3301	while (my ($k, $v) = each %$want) {
		3302	$ns->fx_want ($k, $v);
		3303	}
		3304	};
		3305
		3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
		3311	load_resource_file "$MAPDIR/regions"
		3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
		3318	}
		3319
		3320	sub reload_facedata {
		3321	load_facedata "$DATADIR/facedata"
		3322	or die "unable to load facedata\n";
		3323	}
		3324
		3325	sub reload_archetypes {
		3326	load_resource_file "$DATADIR/archetypes"
		3327	or die "unable to load archetypes\n";
		3328	#d# NEED to laod twice to resolve forward references
		3329	# this really needs to be done in an extra post-pass
		3330	# (which needs to be synchronous, so solve it differently)
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	}
		3334
		3335	sub reload_treasures {
		3336	load_resource_file "$DATADIR/treasures"
		3337	or die "unable to load treasurelists\n";
		3338	}
		3339
		3340	sub reload_resources {
		3341	warn "reloading resource files...\n";
		3342
		3343	reload_regions;
		3344	reload_facedata;
		3345	#reload_archetypes;#d#
		3346	reload_archetypes;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
		3350	}
		3351
		3352	sub init {
		3353	reload_resources;
		3354	}
		3355
		3356	sub reload_config {
2227	open my $fh, "<:utf8", cf::confdir . "/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2228	or return;	3358	or return;
2229		3359
2230	local $/;	3360	local $/;
2231	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2232		3362
2233	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2234		3364
2235	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3365	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2236	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2247	sub main {	3377	sub main {
2248	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2249	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2251	(async {	3381	(async {
2252	Event::one_event;	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
2253	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
2254	};	3385	};
2255		3386
2256	cfg_load;	3387	reload_config;
2257	db_load;	3388	db_init;
2258	load_extensions;	3389	load_extensions;
2259		3390
2260	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2261	Event::loop;	3393	EV::loop;
2262	}	3394	}
2263		3395
2264	#############################################################################	3396	#############################################################################
2265	# initialisation and cleanup	3397	# initialisation and cleanup
2266		3398
2267	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2268	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3404	cf::cleanup "SIG$signal";
2275	},
2276	);	3405	};
		3406	}
		3407	}
		3408
		3409	sub write_runtime {
		3410	my $runtime = "$LOCALDIR/runtime";
		3411
		3412	# first touch the runtime file to show we are still running:
		3413	# the fsync below can take a very very long time.
		3414
		3415	IO::AIO::aio_utime $runtime, undef, undef;
		3416
		3417	my $guard = cf::lock_acquire "write_runtime";
		3418
		3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3420	or return;
		3421
		3422	my $value = $cf::RUNTIME + 90 + 10;
		3423	# 10 is the runtime save interval, for a monotonic clock
		3424	# 60 allows for the watchdog to kill the server.
		3425
		3426	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3427	and return;
		3428
		3429	# always fsync - this file is important
		3430	aio_fsync $fh
		3431	and return;
		3432
		3433	# touch it again to show we are up-to-date
		3434	aio_utime $fh, undef, undef;
		3435
		3436	close $fh
		3437	or return;
		3438
		3439	aio_rename "$runtime~", $runtime
		3440	and return;
		3441
		3442	warn "runtime file written.\n";
		3443
2277	}	3444	1
2278	}	3445	}
2279		3446
2280	sub emergency_save() {	3447	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3448	my $freeze_guard = cf::freeze_mainloop;
2282		3449
…		…
2288	# and maps saved/destroyed asynchronously.	3455	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3456	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	3457	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3458	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3459	$pl->valid or next;
		3460	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3461	$pl->save;
2294	}	3462	}
2295	warn "end emergency player save\n";	3463	warn "end emergency player save\n";
2296		3464
2297	warn "begin emergency map save\n";	3465	warn "begin emergency map save\n";
…		…
2299	my $map = $cf::MAP{$path} or next;	3467	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3468	$map->valid or next;
2301	$map->save;	3469	$map->save;
2302	}	3470	}
2303	warn "end emergency map save\n";	3471	warn "end emergency map save\n";
		3472
		3473	warn "begin emergency database checkpoint\n";
		3474	BDB::db_env_txn_checkpoint $DB_ENV;
		3475	warn "end emergency database checkpoint\n";
2304	};	3476	};
2305		3477
2306	warn "leave emergency perl save\n";	3478	warn "leave emergency perl save\n";
2307	}	3479	}
2308		3480
		3481	sub post_cleanup {
		3482	my ($make_core) = @_;
		3483
		3484	warn Carp::longmess "post_cleanup backtrace"
		3485	if $make_core;
		3486	}
		3487
2309	sub reload() {	3488	sub do_reload_perl() {
2310	# can/must only be called in main	3489	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3490	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine";	3491	warn "can only reload from main coroutine";
2313	return;	3492	return;
2314	}	3493	}
2315		3494
2316	warn "reloading...";	3495	warn "reloading...";
2317		3496
2318	warn "cancelling server ticker";	3497	warn "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		3498
		3499	cf::sync_job {
		3500	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	3501	cf::emergency_save;
		3502	cf::write_runtime; # external watchdog should not bark
2322		3503
2323	eval {	3504	warn "syncing database to disk";
		3505	BDB::db_env_txn_checkpoint $DB_ENV;
		3506
2324	# if anything goes wrong in here, we should simply crash as we already saved	3507	# if anything goes wrong in here, we should simply crash as we already saved
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328
2329	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}
2333		3508
2334	warn "flushing outstanding aio requests";	3509	warn "flushing outstanding aio requests";
2335	for (;;) {	3510	for (;;) {
		3511	BDB::flush;
2336	IO::AIO::flush;	3512	IO::AIO::flush;
2337	Coro::cede;	3513	Coro::cede_notself;
2338	last unless IO::AIO::nreqs;	3514	last unless IO::AIO::nreqs || BDB::nreqs;
2339	warn "iterate...";	3515	warn "iterate...";
2340	}	3516	}
		3517
		3518	++$RELOAD;
2341		3519
2342	warn "cancelling all extension coros";	3520	warn "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	3521	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	3522	%EXT_CORO = ();
2345		3523
2346	warn "removing commands";	3524	warn "removing commands";
2347	%COMMAND = ();	3525	%COMMAND = ();
2348		3526
2349	warn "removing ext commands";	3527	warn "removing ext/exti commands";
2350	%EXTCMD = ();	3528	%EXTCMD = ();
		3529	%EXTICMD = ();
2351		3530
2352	warn "unloading/nuking all extensions";	3531	warn "unloading/nuking all extensions";
2353	for my $pkg (@EXTS) {	3532	for my $pkg (@EXTS) {
2354	warn "... unloading $pkg";	3533	warn "... unloading $pkg";
2355		3534
…		…
2385	Symbol::delete_package "safe::$_"	3564	Symbol::delete_package "safe::$_"
2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3565	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2387		3566
2388	warn "unloading cf.pm \"a bit\"";	3567	warn "unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	3568	delete $INC{"cf.pm"};
		3569	delete $INC{"cf/pod.pm"};
2390		3570
2391	# don't, removes xs symbols, too,	3571	# don't, removes xs symbols, too,
2392	# and global variables created in xs	3572	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	3573	#Symbol::delete_package __PACKAGE__;
2394		3574
…		…
2397	warn "reloading cf.pm";	3577	warn "reloading cf.pm";
2398	require cf;	3578	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3579	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400		3580
2401	warn "loading config and database again";	3581	warn "loading config and database again";
2402	cf::cfg_load;	3582	cf::reload_config;
2403	cf::db_load;
2404		3583
2405	warn "loading extensions";	3584	warn "loading extensions";
2406	cf::load_extensions;	3585	cf::load_extensions;
2407		3586
2408	warn "reattaching attachments to objects/players";	3587	warn "reattaching attachments to objects/players";
2409	_global_reattach;	3588	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	3589	warn "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	3590	reattach $_ for values %MAP;
		3591	warn "reattaching attachments to players";
		3592	reattach $_ for values %PLAYER;
2412		3593
2413	warn "restarting server ticker";	3594	warn "leaving sync_job";
2414		3595
2415	$TICK_WATCHER->start;	3596	1
		3597	} or do {
		3598	warn $@;
		3599	cf::cleanup "error while reloading, exiting.";
2416	};	3600	};
2417
2418	if ($@) {
2419	warn $@;
2420	warn "error while reloading, exiting.";
2421	exit 1;
2422	}
2423		3601
2424	warn "reloaded";	3602	warn "reloaded";
2425	};	3603	};
2426		3604
2427	our $RELOAD_WATCHER; # used only during reload	3605	our $RELOAD_WATCHER; # used only during reload
2428		3606
		3607	sub reload_perl() {
		3608	# doing reload synchronously and two reloads happen back-to-back,
		3609	# coro crashes during coro_state_free->destroy here.
		3610
		3611	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3612	do_reload_perl;
		3613	undef $RELOAD_WATCHER;
		3614	};
		3615	}
		3616
2429	register_command "reload" => sub {	3617	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3618	my ($who, $arg) = @_;
2431		3619
2432	if ($who->flag (FLAG_WIZ)) {	3620	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	3621	$who->message ("reloading server.");
2434		3622	async {
2435	# doing reload synchronously and two reloads happen back-to-back,	3623	$Coro::current->{desc} = "perl_reload";
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;	3624	reload_perl;
2440	undef $RELOAD_WATCHER;
2441	});	3625	};
2442	}	3626	}
2443	};	3627	};
2444		3628
2445	unshift @INC, $LIBDIR;	3629	unshift @INC, $LIBDIR;
2446		3630
2447	my $bug_warning = 0;	3631	my $bug_warning = 0;
2448		3632
2449	$TICK_WATCHER = Event->timer (	3633	our @WAIT_FOR_TICK;
2450	reentrant => 0,	3634	our @WAIT_FOR_TICK_BEGIN;
2451	parked => 1,	3635
2452	prio => 0,	3636	sub wait_for_tick {
2453	at => $NEXT_TICK || $TICK,	3637	return if tick_inhibit;
2454	data => WF_AUTOCANCEL,	3638	return if $Coro::current == $Coro::main;
2455	cb => sub {	3639
		3640	my $signal = new Coro::Signal;
		3641	push @WAIT_FOR_TICK, $signal;
		3642	$signal->wait;
		3643	}
		3644
		3645	sub wait_for_tick_begin {
		3646	return if tick_inhibit;
		3647	return if $Coro::current == $Coro::main;
		3648
		3649	my $signal = new Coro::Signal;
		3650	push @WAIT_FOR_TICK_BEGIN, $signal;
		3651	$signal->wait;
		3652	}
		3653
		3654	sub tick {
2456	if ($Coro::current != $Coro::main) {	3655	if ($Coro::current != $Coro::main) {
2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458	unless ++$bug_warning > 10;	3657	unless ++$bug_warning > 10;
2459	return;	3658	return;
2460	}	3659	}
2461		3660
2462	$NOW = Event::time;
2463
2464	cf::server_tick; # one server iteration	3661	cf::server_tick; # one server iteration
2465	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;
2467		3662
2468	$WAIT_FOR_TICK->broadcast;	3663	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3664	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2470		3665	Coro::async_pool {
2471	# if we are delayed by four ticks or more, skip them all	3666	$Coro::current->{desc} = "runtime saver";
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2473
2474	$TICK_WATCHER->at ($NEXT_TICK);
2475	$TICK_WATCHER->start;
2476	},
2477	);
2478
2479	IO::AIO::max_poll_time $TICK * 0.2;
2480
2481	$AIO_POLL_WATCHER = Event->io (
2482	fd => IO::AIO::poll_fileno,
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488
2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2490	data => WF_AUTOCANCEL,
2491	after => 1,
2492	interval => 10,
2493	prio => 6, # keep it lowest so it acts like a watchdog
2494	cb => Coro::unblock_sub {
2495	write_runtime	3667	write_runtime
2496	or warn "ERROR: unable to write runtime file: $!";	3668	or warn "ERROR: unable to write runtime file: $!";
		3669	};
2497	},	3670	}
2498	);	3671
		3672	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3673	$sig->send;
		3674	}
		3675	while (my $sig = shift @WAIT_FOR_TICK) {
		3676	$sig->send;
		3677	}
		3678
		3679	$LOAD = ($NOW - $TICK_START) / $TICK;
		3680	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3681
		3682	if (0) {
		3683	if ($NEXT_TICK) {
		3684	my $jitter = $TICK_START - $NEXT_TICK;
		3685	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3686	warn "jitter $JITTER\n";#d#
		3687	}
		3688	}
		3689	}
		3690
		3691	{
		3692	# configure BDB
		3693
		3694	BDB::min_parallel 8;
		3695	BDB::max_poll_reqs $TICK * 0.1;
		3696	$Coro::BDB::WATCHER->priority (1);
		3697
		3698	unless ($DB_ENV) {
		3699	$DB_ENV = BDB::db_env_create;
		3700	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3701	| BDB::LOG_AUTOREMOVE, 1);
		3702	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3703	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3704
		3705	cf::sync_job {
		3706	eval {
		3707	BDB::db_env_open
		3708	$DB_ENV,
		3709	$BDBDIR,
		3710	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3711	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3712	0666;
		3713
		3714	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3715	};
		3716
		3717	cf::cleanup "db_env_open(db): $@" if $@;
		3718	};
		3719	}
		3720
		3721	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3722	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3723	};
		3724	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3725	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3726	};
		3727	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3728	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3729	};
		3730	}
		3731
		3732	{
		3733	# configure IO::AIO
		3734
		3735	IO::AIO::min_parallel 8;
		3736	IO::AIO::max_poll_time $TICK * 0.1;
		3737	$Coro::AIO::WATCHER->priority (1);
		3738	}
		3739
		3740	my $_log_backtrace;
		3741
		3742	sub _log_backtrace {
		3743	my ($msg, @addr) = @_;
		3744
		3745	$msg =~ s/\n//;
		3746
		3747	# limit the # of concurrent backtraces
		3748	if ($_log_backtrace < 2) {
		3749	++$_log_backtrace;
		3750	async {
		3751	$Coro::current->{desc} = "abt $msg";
		3752
		3753	my @bt = fork_call {
		3754	@addr = map { sprintf "%x", $_ } @addr;
		3755	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3756	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3757	or die "addr2line: $!";
		3758
		3759	my @funcs;
		3760	my @res = <$fh>;
		3761	chomp for @res;
		3762	while (@res) {
		3763	my ($func, $line) = splice @res, 0, 2, ();
		3764	push @funcs, "[$func] $line";
		3765	}
		3766
		3767	@funcs
		3768	};
		3769
		3770	LOG llevInfo, "[ABT] $msg\n";
		3771	LOG llevInfo, "[ABT] $_\n" for @bt;
		3772	--$_log_backtrace;
		3773	};
		3774	} else {
		3775	LOG llevInfo, "[ABT] $msg\n";
		3776	LOG llevInfo, "[ABT] [suppressed]\n";
		3777	}
		3778	}
		3779
		3780	# load additional modules
		3781	use cf::pod;
2499		3782
2500	END { cf::emergency_save }	3783	END { cf::emergency_save }
2501		3784
2502	1	3785	1
2503		3786

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