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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.417 by root, Fri Apr 11 14:09:57 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;	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;
87		138
88	sub cf::map::normalise;	139	sub cf::map::normalise;
89		140
…		…
100	=item $cf::RUNTIME	151	=item $cf::RUNTIME
101		152
102	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
103	every server tick.	154	every server tick.
104		155
105	=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
106		159
107	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		164
110	=item $cf::NOW	165	=item $cf::NOW
111		166
112	The time of the last (current) server tick.	167	The time of the last (current) server tick.
113		168
114	=item $cf::TICK	169	=item $cf::TICK
115		170
116	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	183	=item %cf::CFG
119		184
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	186	from wherever your confdir points to.
122		187
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		189
125	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
126	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
127	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.
128	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.
129		199
130	=back	200	=back
131		201
132	=cut	202	=cut
133		203
134	BEGIN {	204	BEGIN {
135	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	206	my $msg = join "", @_;
137	utf8::encode $msg;
138		207
139	$msg .= "\n"	208	$msg .= "\n"
140	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
141		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
142	LOG llevError, $msg;	213	LOG llevError, $msg;
143	};	214	};
144	}	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#?
145		231
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		239
153	# 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
154	# within the Safe compartment.	241	# within the Safe compartment.
155	for my $pkg (qw(	242	for my $pkg (qw(
156	cf::global cf::attachable	243	cf::global cf::attachable
…		…
161	)) {	248	)) {
162	no strict 'refs';	249	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	251	}
165		252
166	$Event::DIED = sub {	253	$EV::DIED = sub {
167	warn "error in event callback: @_";	254	warn "error in event callback: @_";
168	};	255	};
		256
		257	#############################################################################
169		258
170	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
171		260
172	=over 4	261	=over 4
173		262
…		…
192	$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;
193	$d	282	$d
194	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
195	}	284	}
196		285
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
200		287
201	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
202		289
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
211		291
212	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
213		293
214	=cut	294	=cut
215		295
216	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
218	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
220		300
221	=item cf::lock_wait $string	301	=item cf::lock_wait $string
222		302
223	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
224		304
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
230	returned.	310	returned.
231		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
232	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
233	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
234		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
235	=cut	322	=cut
236		323
237	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
238		326
239	sub lock_wait($) {	327	sub lock_wait($) {
240	my ($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#
241		334
242	# wait for lock, if any	335	# wait for lock, if any
243	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	338	Coro::schedule;
…		…
251		344
252	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
253	lock_wait $key;	346	lock_wait $key;
254		347
255	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
256		350
257	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
260	}	355	}
261	}	356	}
262		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
263	sub freeze_mainloop {	364	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
265		366
266	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	368	}
268	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
269	};	428	}
270	$WRITE_RUNTIME_WATCHER->stop;	429	};
271	$TICK_WATCHER->stop;	430
272	$guard	431	sub get_slot($;$$) {
		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	$sig->wait;
273	}	441	}
274		442
275	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
276		444
277	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		450
283	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
284		452
285	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
286		454
287	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
290		459
291	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
294	fast or be very important.	463	fast or be very important.
…		…
297		466
298	sub sync_job(&) {	467	sub sync_job(&) {
299	my ($job) = @_;	468	my ($job) = @_;
300		469
301	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
302	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
304		475
305	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	477
307	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
308		479
309	my $busy = 1;	480	my $busy = 1;
310	my @res;	481	my @res;
311		482
312	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	485	@res = eval { $job->() };
314	warn $@ if $@;	486	warn $@ if $@;
315	undef $busy;	487	undef $busy;
316	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
317		489
318	while ($busy) {	490	while ($busy) {
319	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
320	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
321		501
322	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
323	} else {	503	} else {
324	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
325		505
…		…
345	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
346		526
347	$coro	527	$coro
348	}	528	}
349		529
350	sub write_runtime {	530	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		531
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	532	Executes the given code block with the given arguments in a seperate
354	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.
355		536
356	my $value = $cf::RUNTIME + 90 + 10;	537	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		538
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	539	sub fork_call(&@) {
361	and return;	540	my ($cb, @args) = @_;
362		541
363	aio_fsync $fh	542	# we seemingly have to make a local copy of the whole thing,
364	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
365		545
366	close $fh	546	my @res = Coro::Util::fork_eval {
367	or return;	547	reset_signals;
		548	&$cb
		549	}, @args;
368		550
369	aio_rename "$runtime~", $runtime	551	wantarray ? @res : $res[-1]
370	and return;	552	}
371		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($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
372	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		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 });
373	}	717	}
374		718
375	=back	719	=back
376		720
377	=cut	721	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
386		730
387	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>
388	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
389	crossfire+).	733	Deliantra).
390		734
391	=over 4	735	=over 4
392		736
393	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
394		738
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
558		902
559	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		907
564	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	909	my $pkg = shift @arg;
566		910
567	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
597	}	941	}
598		942
599	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
600	} else {	944	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	946	}
603		947
604	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
605	}	949	}
606		950
…		…
608	if (ref $_[0]) {	952	if (ref $_[0]) {
609	_object_attach @_;	953	_object_attach @_;
610	} else {	954	} else {
611	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
612	}	956	}
		957	_recalc_want;
613	};	958	};
614		959
615	# all those should be optimised	960	# all those should be optimised
616	sub cf::attachable::detach {	961	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
621	reattach ($obj);	966	reattach ($obj);
622	} else {	967	} else {
623	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
624	}	969	}
		970	_recalc_want;
625	};	971	};
626		972
627	sub cf::attachable::attached {	973	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
629		975
…		…
644	";	990	";
645	die if $@;	991	die if $@;
646	}	992	}
647		993
648	our $override;	994	our $override;
649	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?
650		996
651	sub override {	997	sub override {
652	$override = 1;	998	$override = 1;
653	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
654	}	1000	}
655		1001
656	sub do_invoke {	1002	sub do_invoke {
657	my $event = shift;	1003	my $event = shift;
658	my $callbacks = shift;	1004	my $callbacks = shift;
659		1005
660	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
661		1007
662	local $override;	1008	local $override;
663		1009
664	for (@$callbacks) {	1010	for (@$callbacks) {
665	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
674	}	1020	}
675		1021
676	0	1022	0
677	}	1023	}
678		1024
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1026
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1028
683	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
684		1030
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1034
689	=back	1035	=back
690		1036
691	=cut	1037	=cut
692		1038
693	#############################################################################	1039	#############################################################################
694	# 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, $ob2
		1082	}
695		1083
696	sub reattach {	1084	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1086	my ($obj) = @_;
699		1087
…		…
720	cf::attachable->attach (	1108	cf::attachable->attach (
721	prio => -1000000,	1109	prio => -1000000,
722	on_instantiate => sub {	1110	on_instantiate => sub {
723	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
724		1112
725	$data = from_json $data;	1113	$data = decode_json $data;
726		1114
727	for (@$data) {	1115	for (@$data) {
728	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
729		1117
730	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1134	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
748		1136
749	sync_job {	1137	sync_job {
750	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
753		1142
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1146	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1147	close $fh;
759		1148
760	if (@$objs) {	1149	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1154	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1155	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
768	}	1157	}
769	} else {	1158	} else {
770	aio_unlink "$filename.pst";	1159	aio_unlink "$filename.pst";
…		…
776	}	1165	}
777	} else {	1166	} else {
778	aio_unlink $filename;	1167	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
780	}	1169	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1170	};
788	}	1171	}
789		1172
790	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
792		1175
…		…
797		1180
798	sub object_thawer_load {	1181	sub object_thawer_load {
799	my ($filename) = @_;	1182	my ($filename) = @_;
800		1183
801	my ($data, $av);	1184	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1185
806	(aio_load $filename, $data) >= 0	1186	(aio_load $filename, $data) >= 0
807	or return;	1187	or return;
808		1188
809	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
811	or return;	1191	or return;
		1192
812	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
813	}	1195	}
814		1196
		1197	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
817	return ($data, $av);	1201	($data, $av)
818	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
819		1209
820	#############################################################################	1210	#############################################################################
821	# command handling &c	1211	# command handling &c
822		1212
823	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1227	}
838		1228
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1230
841	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.
842		1236
843	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
844	called.	1238	called.
845		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
846	=cut	1251	=cut
847		1252
848	sub register_extcmd {	1253	sub register_extcmd {
849	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
850		1255
851	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
852	}	1263	}
853		1264
854	cf::player->attach (	1265	cf::player->attach (
855	on_command => sub {	1266	on_command => sub {
856	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1276	cf::override;
866	},	1277	},
867	on_extcmd => sub {	1278	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
869		1280
870	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1282
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
878	} else {	1298	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1300	}
881		1301
882	cf::override;	1302	cf::override;
883	},	1303	},
884	);	1304	);
885		1305
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
921	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1311	next unless -r $path;
923	eval {	1312
924	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	$progress = 1;
925	1	1369	}
926	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
927	}	1375	};
928	}	1376	}
929		1377
930	#############################################################################	1378	#############################################################################
931		1379
		1380	=back
		1381
932	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
933		1383
934	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
935		1385
936	=cut	1386	=cut
…		…
941		1391
942	=head3 cf::player	1392	=head3 cf::player
943		1393
944	=over 4	1394	=over 4
945		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
946	=item cf::player::find $login	1410	=item cf::player::find $login
947		1411
948	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
949		1413
950	=cut	1414	=cut
951		1415
952	sub playerdir($) {	1416	sub playerdir($) {
953	cf::localdir	1417	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1419	}
959		1420
960	sub path($) {	1421	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1423
963	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
964	}	1425	}
965		1426
966	sub find_active($) {	1427	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1442	my $login = $_[0];
982		1443
983	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
984		1445
985	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
989	}	1462	}
990	}	1463	}
991	}	1464	}
992		1465
…		…
1002		1475
1003	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1005		1478
1006	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1007	Coro::cede;	1480	cf::cede_to_tick;
1008	}	1481	}
1009		1482
1010	sub new($) {	1483	sub new($) {
1011	my ($login) = @_;	1484	my ($login) = @_;
1012		1485
…		…
1018	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1019		1492
1020	$self	1493	$self
1021	}	1494	}
1022		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
1023	=item $pl->quit_character	1506	=item $pl->quit_character
1024		1507
1025	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1509	be destroyed. May block for a long time.
1027		1510
1028	=cut	1511	=cut
1029		1512
1030	sub quit_character {	1513	sub quit_character {
1031	my ($pl) = @_;	1514	my ($pl) = @_;
		1515
		1516	my $name = $pl->ob->name;
1032		1517
1033	$pl->{deny_save} = 1;	1518	$pl->{deny_save} = 1;
1034	$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
1035		1520
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1526	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1527	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1528	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1529	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1552	}
1048		1553
1049	=item cf::player::list_logins	1554	=item cf::player::list_logins
1050		1555
1051	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
1052	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1053		1558
1054	=cut	1559	=cut
1055		1560
1056	sub list_logins {	1561	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1563	or return [];
1059		1564
1060	my @logins;	1565	my @logins;
1061		1566
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1066		1576
1067	utf8::decode $login;	1577	utf8::decode $login;
1068	push @logins, $login;	1578	push @logins, $login;
1069	}	1579	}
1070		1580
…		…
1078		1588
1079	=cut	1589	=cut
1080		1590
1081	sub maps($) {	1591	sub maps($) {
1082	my ($pl) = @_;	1592	my ($pl) = @_;
		1593
		1594	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1595
1084	my $files = aio_readdir playerdir $pl	1596	my $files = aio_readdir playerdir $pl
1085	or return;	1597	or return;
1086		1598
1087	my @paths;	1599	my @paths;
…		…
1089	for (@$files) {	1601	for (@$files) {
1090	utf8::decode $_;	1602	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1603	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1604	next unless /^$PATH_SEP/o;
1093		1605
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1606	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1607	}
1096		1608
1097	\@paths	1609	\@paths
1098	}	1610	}
1099		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
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1101		1706
1102	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1103		1708
1104	=cut	1709	=cut
1105		1710
1106	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1108		1713
1109	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1715	}
1113		1716
1114	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	$match
		1756	}
1115		1757
1116	=back	1758	=back
1117
1118		1759
1119	=head3 cf::map	1760	=head3 cf::map
1120		1761
1121	=over 4	1762	=over 4
1122		1763
…		…
1177	my ($self, $merge) = @_;	1818	my ($self, $merge) = @_;
1178		1819
1179	# we have to keep some variables in memory intact	1820	# we have to keep some variables in memory intact
1180	local $self->{path};	1821	local $self->{path};
1181	local $self->{load_path};	1822	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1823
1185	$self->SUPER::thawer_merge ($merge);	1824	$self->SUPER::thawer_merge ($merge);
1186	}	1825	}
1187		1826
1188	sub normalise {	1827	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1236	return $self;	1875	return $self;
1237	}	1876	}
1238	}	1877	}
1239		1878
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1880	()
1242	}	1881	}
1243		1882
1244	sub init {	1883	sub init {
1245	my ($self) = @_;	1884	my ($self) = @_;
…		…
1260		1899
1261	# the original (read-only) location	1900	# the original (read-only) location
1262	sub load_path {	1901	sub load_path {
1263	my ($self) = @_;	1902	my ($self) = @_;
1264		1903
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1904	"$MAPDIR/$self->{path}.map"
1266	}	1905	}
1267		1906
1268	# the temporary/swap location	1907	# the temporary/swap location
1269	sub save_path {	1908	sub save_path {
1270	my ($self) = @_;	1909	my ($self) = @_;
1271		1910
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1912	"$TMPDIR/$path.map"
1274	}	1913	}
1275		1914
1276	# the unique path, undef == no special unique path	1915	# the unique path, undef == no special unique path
1277	sub uniq_path {	1916	sub uniq_path {
1278	my ($self) = @_;	1917	my ($self) = @_;
1279		1918
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1920	"$UNIQUEDIR/$path"
1282	}	1921	}
1283		1922
1284	# and all this just because we cannot iterate over	1923	# and all this just because we cannot iterate over
1285	# all maps in C++...	1924	# all maps in C++...
1286	sub change_all_map_light {	1925	sub change_all_map_light {
…		…
1288		1927
1289	$_->change_map_light ($change)	1928	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1929	for grep $_->outdoor, values %cf::MAP;
1291	}	1930	}
1292		1931
		1932	sub decay_objects {
		1933	my ($self) = @_;
		1934
		1935	return if $self->{deny_reset};
		1936
		1937	$self->do_decay_objects;
		1938	}
		1939
1293	sub unlink_save {	1940	sub unlink_save {
1294	my ($self) = @_;	1941	my ($self) = @_;
1295		1942
1296	utf8::encode (my $save = $self->save_path);	1943	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1944	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1945	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1946	}
1305		1947
1306	sub load_header_from($) {	1948	sub load_header_from($) {
1307	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1308		1950
1309	utf8::encode $path;	1951	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1953	or return;
		1954
		1955	$self->_load_header ($f)
		1956	or return;
		1957
		1958	local $MAP_LOADING{$self->{path}} = $self;
		1959	$f->resolve_delayed_derefs;
1315		1960
1316	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1317		1962
1318	1	1963	1
1319	}	1964	}
…		…
1358	$self->load_header_orig	2003	$self->load_header_orig
1359	or return;	2004	or return;
1360	$self->prepare_orig;	2005	$self->prepare_orig;
1361	}	2006	}
1362		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 $self->default_region;
		2013
1363	1	2014	1
1364	}	2015	}
1365		2016
1366	sub find;	2017	sub find;
1367	sub find {	2018	sub find {
1368	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1369		2020
1370	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1371		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1373		2025
1374	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1375	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
1376	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1377	or return;	2031	or return;
1378		2032
1379	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1380		2034
1381	$map->load_header	2035	$map->load_header
1382	or return;	2036	or return;
1383		2037
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2039	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1387	$map->reset;	2043	$map->reset;
1388	undef $guard;
1389	return find $path;	2044	return find $path;
1390	}	2045	}
1391		2046
1392	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1393	}	2048	}
…		…
1400	my ($self) = @_;	2055	my ($self) = @_;
1401		2056
1402	local $self->{deny_reset} = 1; # loading can take a long time	2057	local $self->{deny_reset} = 1; # loading can take a long time
1403		2058
1404	my $path = $self->{path};	2059	my $path = $self->{path};
		2060
		2061	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1406		2063
		2064	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		2066
1409	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1410		2068
1411	$self->alloc;	2069	$self->alloc;
1412		2070
1413	$self->pre_load;	2071	$self->pre_load;
		2072	cf::cede_to_tick;
1414		2073
1415	$self->_load_objects ($self->{load_path}, 1)	2074	my $f = new_from_file cf::object::thawer $self->{load_path};
		2075	$f->skip_block;
		2076	$self->_load_objects ($f)
1416	or return;	2077	or return;
1417		2078
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};	2080	if delete $self->{load_original};
1420		2081
1421	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2083	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2086	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1426	}	2090	}
1427	}	2091	}
1428		2092
1429	Coro::cede;	2093	$f->resolve_delayed_derefs;
1430		2094
		2095	cf::cede_to_tick;
1431	# now do the right thing for maps	2096	# now do the right thing for maps
1432	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2099	unless $self->difficulty;
1442	Coro::cede;	2100	cf::cede_to_tick;
		2101
		2102	unless ($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;
1443	$self->activate;	2109	$self->activate;
		2110	}
		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
		2114
		2115	$self->in_memory (cf::MAP_IN_MEMORY);
1444	}	2116	}
1445		2117
1446	$self->post_load;	2118	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	2119	}
1450		2120
1451	sub customise_for {	2121	sub customise_for {
1452	my ($self, $ob) = @_;	2122	my ($self, $ob) = @_;
1453		2123
1454	return find "~" . $ob->name . "/" . $self->{path}	2124	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2125	if $self->per_player;
1456		2126
		2127	# return find "?party/" . $ob->name . "/" . $self->{path}
		2128	# if $self->per_party;
		2129
1457	$self	2130	$self
1458	}	2131	}
1459		2132
1460	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2134	sub load_neighbours {
1462	my ($map) = @_;	2135	my ($map) = @_;
1463		2136
1464	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1465		2138
1466	for (0 .. 3) {	2139	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1468	or next;	2141	or next;
1469	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1470	or next;	2143	or next;
1471	$neigh->load;	2144	$neigh->load;
1472		2145
		2146	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2149	}
1476		2150
1477	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1479	or next;	2154	or next;
1480	$neigh->load;	2155	$neigh->load;
1481	}	2156	}
1482	}	2157	}
1483		2158
…		…
1488	}	2163	}
1489		2164
1490	sub do_load_sync {	2165	sub do_load_sync {
1491	my ($map) = @_;	2166	my ($map) = @_;
1492		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1493	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1494	}	2172	}
1495		2173
1496	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2175	our $MAP_PREFETCHER = undef;
1498		2176
1499	sub find_async {	2177	sub find_async {
1500	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1501		2179
1502	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1503		2181
1504	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1506	}	2184	}
1507		2185
1508	undef $MAP_PREFETCH{$path};	2186	$MAP_PREFETCH{$path} |= $load;
		2187
1509	$MAP_PREFETCHER ||= cf::async {	2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
1510	while (%MAP_PREFETCH) {	2191	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2192	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2193	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2194	$map->load if $v;
		2195	}
1515		2196
1516	delete $MAP_PREFETCH{$path};	2197	delete $MAP_PREFETCH{$k};
1517	}	2198	}
1518	}	2199	}
1519	undef $MAP_PREFETCHER;	2200	undef $MAP_PREFETCHER;
1520	};	2201	};
1521	$MAP_PREFETCHER->prio (6);	2202	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2205	}
1525		2206
1526	sub save {	2207	sub save {
1527	my ($self) = @_;	2208	my ($self) = @_;
1528		2209
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2211
1531	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1532		2213
1533	return unless $self->dirty;	2214	return unless $self->dirty;
1534		2215
…		…
1540	return if $self->{deny_save};	2221	return if $self->{deny_save};
1541		2222
1542	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1543		2224
1544	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1546	};	2228	};
1547		2229
1548	if ($uniq) {	2230	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1557	my ($self) = @_;	2239	my ($self) = @_;
1558		2240
1559	# save first because save cedes	2241	# save first because save cedes
1560	$self->save;	2242	$self->save;
1561		2243
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2245
1564	return if $self->players;	2246	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};	2248	return if $self->{deny_save};
1567		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2254	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2255	}
1571		2256
1572	sub reset_at {	2257	sub reset_at {
1573	my ($self) = @_;	2258	my ($self) = @_;
1574		2259
1575	# TODO: safety, remove and allow resettable per-player maps	2260	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2261	return 1e99 if $self->{deny_reset};
1578		2262
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2263	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2264	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2265
…		…
1592	my ($self) = @_;	2276	my ($self) = @_;
1593		2277
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2279
1596	return if $self->players;	2280	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2281
1599	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	}
1600		2293
1601	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1602		2295
1603	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2298	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2299
1608	$self->unlink_save;	2300	$self->unlink_save;
1609	$self->destroy;	2301	$self->destroy;
1610	}	2302	}
1611		2303
1612	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
1613		2305
1614	sub nuke {	2306	sub nuke {
1615	my ($self) = @_;	2307	my ($self) = @_;
1616		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
1617	delete $cf::MAP{$self->path};	2312	delete $cf::MAP{$self->path};
1618		2313
1619	$self->unlink_save;	2314	$self->unlink_save;
1620		2315
1621	bless $self, "cf::map";	2316	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2317	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2321
1627	$cf::MAP{$self->path} = $self;	2322	$cf::MAP{$self->path} = $self;
		2323	}
1628		2324
1629	$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	]
1630	}	2362	}
1631		2363
1632	=item cf::map::unique_maps	2364	=item cf::map::unique_maps
1633		2365
1634	Returns an arrayref of paths of all shared maps that have	2366	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2367	instantiated unique items. May block.
1636		2368
1637	=cut	2369	=cut
1638		2370
1639	sub unique_maps() {	2371	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2372	[
1641	or return;	2373	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2374	utf8::decode $_;
1647	next if /\.pst$/;	2375	/\.map$/
1648	next unless /^$PATH_SEP/o;	2376	? normalise $_
1649		2377	: ()
1650	push @paths, cf::map::normalise $_;	2378	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2379	]
1652
1653	\@paths
1654	}	2380	}
1655
1656	package cf;
1657		2381
1658	=back	2382	=back
1659		2383
1660	=head3 cf::object	2384	=head3 cf::object
1661		2385
…		…
1676	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
1677	}	2401	}
1678		2402
1679	sub inv_recursive {	2403	sub inv_recursive {
1680	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	}
1681	}	2433	}
1682		2434
1683	package cf;	2435	package cf;
1684		2436
1685	=back	2437	=back
…		…
1704		2456
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2457	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2458
1707	if ($self->{record_replies}) {	2459	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2460	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2461
1709	} 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 {
1710	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
		2472	}
1712	}	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 (@_);
1713	}	2484	}
1714		2485
1715	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
1716		2487
1717	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
1764	$self->deactivate_recursive;	2535	$self->deactivate_recursive;
1765		2536
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2537	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2538
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2539	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2540	if $self->map && $self->map->{path} ne "{link}";
1770		2541
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2542	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2543	}
1773		2544
1774	sub cf::object::player::leave_link {	2545	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2546	my ($self, $map, $x, $y) = @_;
		2547
		2548	return unless $self->contr->active;
1776		2549
1777	my $link_pos = delete $self->{_link_pos};	2550	my $link_pos = delete $self->{_link_pos};
1778		2551
1779	unless ($map) {	2552	unless ($map) {
1780	# restore original map position	2553	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
1797		2570
1798	$map->load;	2571	$map->load;
1799	$map->load_diag;	2572	$map->load_neighbours;
1800		2573
1801	return unless $self->contr->active;	2574	return unless $self->contr->active;
1802	$self->activate_recursive;	2575	$self->activate_recursive;
		2576
		2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
1804	}	2579	}
1805		2580
1806	cf::player->attach (	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2582
1810	# abort map switching before logout	2583	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2584	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2585	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2586	the new (success) or old (failed) map position. In either case, $done will
1814	};	2587	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2588
1820	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2589	=cut
		2590
		2591	our $GOTOGEN;
1841		2592
1842	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
1843	my ($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;
1844		2598
1845	$self->enter_link;	2599	$self->enter_link;
1846		2600
1847	(async {	2601	(async {
		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
1848	my $map = eval {	2623	my $map = eval {
1849	my $map = cf::map::find $path;	2624	my $map = defined $path ? cf::map::find $path : undef;
		2625
		2626	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2627	$map = $map->customise_for ($self);
		2628	$map = $check->($map) if $check && $map;
		2629	} else {
		2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	}
		2632
1851	$map	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 $@;
1852	} or	2639	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2640
		2641	if ($gen == $self->{_goto_generation}) {
		2642	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
		2644	}
		2645
		2646	$done->() if $done;
1856	})->prio (1);	2647	})->prio (1);
1857	}	2648	}
1858		2649
1859	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
1860		2651
…		…
1897	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
1898	}	2689	}
1899		2690
1900	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
1901		2692
1902	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
1903	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
1905		2696
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2699	undef $fh;
1909	aio_rename "$meta~", $meta;	2700	aio_rename "$meta~", $meta;
…		…
1918		2709
1919	return unless $self->type == cf::PLAYER;	2710	return unless $self->type == cf::PLAYER;
1920		2711
1921	if ($exit->slaying eq "/!") {	2712	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job	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
1923	cf::sync_job { prepare_random_map $exit };	2716	cf::sync_job { prepare_random_map $exit };
1924	}	2717	}
1925		2718
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;	2720	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;	2721	my $sp = $exit->stats->sp;
1929		2722
1930	$self->enter_link;	2723	$self->enter_link;
1931		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
1932	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
1933	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
1934	unless (eval {	2733	unless (eval {
1935	$self->goto ($slaying, $hp, $sp);	2734	$self->goto ($slaying, $hp, $sp);
1936		2735
1937	1;	2736	1;
1938	}) {	2737	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "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. "
1941	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2742
1944	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2744	$self->leave_link;
1946	}	2745	}
1947	})->prio (1);	2746	})->prio (1);
…		…
1960		2759
1961	sub cf::client::send_drawinfo {	2760	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2761	my ($self, $text, $flags) = @_;
1963		2762
1964	utf8::encode $text;	2763	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2765	}
1967		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	}
1968		2925
1969	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
1970		2927
1971	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
1972	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>,
1973	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>.
1974		2931
1975	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
1976	reliable at some point in the future.	2933	become reliable at some point in the future.
1977		2934
1978	=cut	2935	=cut
1979		2936
1980	sub cf::client::query {	2937	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2946	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2948
1992	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
1994	}	2953	}
1995		2954
1996	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
1997	on_reply => sub {	2961	on_reply => sub {
1998	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
1999		2963
2000	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
2001	# get handled first	2965	# get handled first
2002	my $queue = delete $ns->{query_queue}	2966	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2967	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2968
2005	(shift @$queue)->[1]->($msg);	2969	(shift @$queue)->[1]->($msg);
		2970	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2971
2007	push @{ $ns->{query_queue} }, @$queue;	2972	push @{ $ns->{query_queue} }, @$queue;
2008		2973
2009	if (@{ $ns->{query_queue} } == @$queue) {	2974	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2975	if (@$queue) {
…		…
2012	} else {	2977	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2979	}
2015	}	2980	}
2016	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($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	},
2017	);	3008	);
2018		3009
2019	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
2020		3011
2021	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2064		3055
2065	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2066		3057
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2068		3063
2069	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2070		3065
2071	=pod	3066	=pod
2072		3067
2073	The following fucntions and emthods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2074		3069
2075	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease_ob_nr
		3073
2076	cf::object::player player	3074	cf::object::player
2077	cf::player peaceful	3075	player
2078	cf::map trigger	3076
		3077	cf::player
		3078	peaceful
		3079
		3080	cf::map
		3081	trigger
2079		3082
2080	=cut	3083	=cut
2081		3084
2082	for (	3085	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3087	insert remove inv name archname title slaying race
		3088	decrease_ob_nr destroy)],
2084	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2087	) {	3092	) {
2088	no strict 'refs';	3093	no strict 'refs';
…		…
2159	=back	3164	=back
2160		3165
2161	=cut	3166	=cut
2162		3167
2163	#############################################################################	3168	#############################################################################
		3169	# the server's init and main functions
2164		3170
2165	=head2 EXTENSION DATABASE SUPPORT	3171	sub load_facedata($) {
		3172	my ($path) = @_;
2166		3173
2167	Crossfire maintains a very simple database for extension use. It can	3174	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3175	# for this (global event?)
2169	excludes objects.	3176	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3177
2171	The parameter C<$family> should best start with the name of the extension	3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3179
2174	=over 4	3180	warn "loading facedata from $path\n";
2175		3181
2176	=item $hashref = cf::db_get $family	3182	my $facedata;
		3183	0 < aio_load $path, $facedata
		3184	or die "$path: $!";
2177		3185
2178	Return a hashref for use by the extension C<$family>, which can be	3186	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3187
2182	=item $value = cf::db_get $family => $key	3188	$facedata->{version} == 2
		3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3190
2184	Returns a single value from the database	3191	# patch in the exptable
2185		3192	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	3193	type => FT_RSRC,
2187		3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3195	};
		3196	cf::cede_to_tick;
2214		3197
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3198	{
		3199	my $faces = $facedata->{faceinfo};
2226		3200
2227	my $dirty;	3201	while (my ($face, $info) = each %$faces) {
		3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3203
2229	sub db_sync() {	3204	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3205	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2232	}	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2233		3208
2234	my $idle = Event->idle (	3209	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3210	}
2268	);
2269	}
2270		3211
2271	#############################################################################	3212	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3213	next unless $info->{smooth};
2273		3214
2274	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 {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3358	or return;
2277		3359
2278	local $/;	3360	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2280		3362
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2282		3364
2283	$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};
2284	$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};
…		…
2295	sub main {	3377	sub main {
2296	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2298	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#
2299	(async {	3381	(async {
2300	Event::one_event;	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
2302	};	3385	};
2303		3386
2304	cfg_load;	3387	reload_config;
2305	db_load;	3388	db_init;
2306	load_extensions;	3389	load_extensions;
2307		3390
2308	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2309	Event::loop;	3393	EV::loop;
2310	}	3394	}
2311		3395
2312	#############################################################################	3396	#############################################################################
2313	# initialisation and cleanup	3397	# initialisation and cleanup
2314		3398
2315	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2316	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3404	cf::cleanup "SIG$signal";
2325	},
2326	);	3405	};
		3406	}
		3407	}
		3408
		3409	sub write_runtime_sync {
		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
2327	}	3444	1
		3445	}
		3446
		3447	our $uuid_lock;
		3448	our $uuid_skip;
		3449
		3450	sub write_uuid_sync($) {
		3451	$uuid_skip ||= $_[0];
		3452
		3453	return if $uuid_lock;
		3454	local $uuid_lock = 1;
		3455
		3456	my $uuid = "$LOCALDIR/uuid";
		3457
		3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3459	or return;
		3460
		3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3462	$uuid_skip = 0;
		3463
		3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3465	and return;
		3466
		3467	# always fsync - this file is important
		3468	aio_fsync $fh
		3469	and return;
		3470
		3471	close $fh
		3472	or return;
		3473
		3474	aio_rename "$uuid~", $uuid
		3475	and return;
		3476
		3477	warn "uuid file written ($value).\n";
		3478
		3479	1
		3480
		3481	}
		3482
		3483	sub write_uuid($$) {
		3484	my ($skip, $sync) = @_;
		3485
		3486	$sync ? write_uuid_sync $skip
		3487	: async { write_uuid_sync $skip };
2328	}	3488	}
2329		3489
2330	sub emergency_save() {	3490	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3491	my $freeze_guard = cf::freeze_mainloop;
2332		3492
…		…
2338	# and maps saved/destroyed asynchronously.	3498	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3499	warn "begin emergency player save\n";
2340	for my $login (keys %cf::PLAYER) {	3500	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3501	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3502	$pl->valid or next;
		3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3504	$pl->save;
2344	}	3505	}
2345	warn "end emergency player save\n";	3506	warn "end emergency player save\n";
2346		3507
2347	warn "begin emergency map save\n";	3508	warn "begin emergency map save\n";
…		…
2349	my $map = $cf::MAP{$path} or next;	3510	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3511	$map->valid or next;
2351	$map->save;	3512	$map->save;
2352	}	3513	}
2353	warn "end emergency map save\n";	3514	warn "end emergency map save\n";
		3515
		3516	warn "begin emergency database checkpoint\n";
		3517	BDB::db_env_txn_checkpoint $DB_ENV;
		3518	warn "end emergency database checkpoint\n";
		3519
		3520	warn "begin write uuid\n";
		3521	write_uuid_sync 1;
		3522	warn "end write uuid\n";
2354	};	3523	};
2355		3524
2356	warn "leave emergency perl save\n";	3525	warn "leave emergency perl save\n";
2357	}	3526	}
2358		3527
		3528	sub post_cleanup {
		3529	my ($make_core) = @_;
		3530
		3531	warn Carp::longmess "post_cleanup backtrace"
		3532	if $make_core;
		3533	}
		3534
2359	sub reload() {	3535	sub do_reload_perl() {
2360	# can/must only be called in main	3536	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3537	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3538	warn "can only reload from main coroutine";
2363	return;	3539	return;
2364	}	3540	}
2365		3541
2366	warn "reloading...";	3542	warn "reloading...";
2367		3543
2368	warn "cancelling server ticker";	3544	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3545
		3546	cf::sync_job {
		3547	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3548	cf::emergency_save;
		3549	cf::write_runtime_sync; # external watchdog should not bark
2372		3550
2373	eval {	3551	warn "syncing database to disk";
		3552	BDB::db_env_txn_checkpoint $DB_ENV;
		3553
2374	# if anything goes wrong in here, we should simply crash as we already saved	3554	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383		3555
2384	warn "flushing outstanding aio requests";	3556	warn "flushing outstanding aio requests";
2385	for (;;) {	3557	for (;;) {
		3558	BDB::flush;
2386	IO::AIO::flush;	3559	IO::AIO::flush;
2387	Coro::cede;	3560	Coro::cede_notself;
2388	last unless IO::AIO::nreqs;	3561	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3562	warn "iterate...";
2390	}	3563	}
		3564
		3565	++$RELOAD;
2391		3566
2392	warn "cancelling all extension coros";	3567	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3568	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3569	%EXT_CORO = ();
2395		3570
2396	warn "removing commands";	3571	warn "removing commands";
2397	%COMMAND = ();	3572	%COMMAND = ();
2398		3573
2399	warn "removing ext commands";	3574	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3575	%EXTCMD = ();
		3576	%EXTICMD = ();
2401		3577
2402	warn "unloading/nuking all extensions";	3578	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3579	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3580	warn "... unloading $pkg";
2405		3581
…		…
2435	Symbol::delete_package "safe::$_"	3611	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3612	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3613
2438	warn "unloading cf.pm \"a bit\"";	3614	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3615	delete $INC{"cf.pm"};
		3616	delete $INC{"cf/pod.pm"};
2440		3617
2441	# don't, removes xs symbols, too,	3618	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3619	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3620	#Symbol::delete_package __PACKAGE__;
2444		3621
…		…
2447	warn "reloading cf.pm";	3624	warn "reloading cf.pm";
2448	require cf;	3625	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3627
2451	warn "loading config and database again";	3628	warn "loading config and database again";
2452	cf::cfg_load;	3629	cf::reload_config;
2453	cf::db_load;
2454		3630
2455	warn "loading extensions";	3631	warn "loading extensions";
2456	cf::load_extensions;	3632	cf::load_extensions;
2457		3633
2458	warn "reattaching attachments to objects/players";	3634	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3635	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3636	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3637	reattach $_ for values %MAP;
		3638	warn "reattaching attachments to players";
		3639	reattach $_ for values %PLAYER;
2462		3640
2463	warn "restarting server ticker";	3641	warn "leaving sync_job";
2464		3642
2465	$TICK_WATCHER->start;	3643	1
		3644	} or do {
		3645	warn $@;
		3646	cf::cleanup "error while reloading, exiting.";
2466	};	3647	};
2467
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473		3648
2474	warn "reloaded";	3649	warn "reloaded";
2475	};	3650	};
2476		3651
2477	our $RELOAD_WATCHER; # used only during reload	3652	our $RELOAD_WATCHER; # used only during reload
2478		3653
		3654	sub reload_perl() {
		3655	# doing reload synchronously and two reloads happen back-to-back,
		3656	# coro crashes during coro_state_free->destroy here.
		3657
		3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3659	do_reload_perl;
		3660	undef $RELOAD_WATCHER;
		3661	};
		3662	}
		3663
2479	register_command "reload" => sub {	3664	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3665	my ($who, $arg) = @_;
2481		3666
2482	if ($who->flag (FLAG_WIZ)) {	3667	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3668	$who->message ("reloading server.");
2484		3669	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	3670	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	3671	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	3672	};
2497	}	3673	}
2498	};	3674	};
2499		3675
2500	unshift @INC, $LIBDIR;	3676	unshift @INC, $LIBDIR;
2501		3677
2502	my $bug_warning = 0;	3678	my $bug_warning = 0;
2503		3679
2504	$TICK_WATCHER = Event->timer (	3680	our @WAIT_FOR_TICK;
2505	reentrant => 0,	3681	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	3682
2507	prio => 0,	3683	sub wait_for_tick {
2508	at => $NEXT_TICK || $TICK,	3684	return if tick_inhibit;
2509	data => WF_AUTOCANCEL,	3685	return if $Coro::current == $Coro::main;
2510	cb => sub {	3686
		3687	my $signal = new Coro::Signal;
		3688	push @WAIT_FOR_TICK, $signal;
		3689	$signal->wait;
		3690	}
		3691
		3692	sub wait_for_tick_begin {
		3693	return if tick_inhibit;
		3694	return if $Coro::current == $Coro::main;
		3695
		3696	my $signal = new Coro::Signal;
		3697	push @WAIT_FOR_TICK_BEGIN, $signal;
		3698	$signal->wait;
		3699	}
		3700
		3701	sub tick {
2511	if ($Coro::current != $Coro::main) {	3702	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3704	unless ++$bug_warning > 10;
2514	return;	3705	return;
2515	}	3706	}
2516		3707
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	3708	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		3709
2523	$WAIT_FOR_TICK->broadcast;	3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2525		3712	Coro::async_pool {
2526	Event::sweep;	3713	$Coro::current->{desc} = "runtime saver";
2527	Coro::cede_notself;
2528
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},
2538	);
2539
2540	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551
2552	$WRITE_RUNTIME_WATCHER = Event->timer (
2553	reentrant => 0,
2554	data => WF_AUTOCANCEL,
2555	after => 1,
2556	interval => 10,
2557	prio => 6, # keep it lowest so it acts like a watchdog
2558	cb => Coro::unblock_sub {
2559	write_runtime	3714	write_runtime_sync
2560	or warn "ERROR: unable to write runtime file: $!";	3715	or warn "ERROR: unable to write runtime file: $!";
		3716	};
2561	},	3717	}
2562	);	3718
		3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3720	$sig->send;
		3721	}
		3722	while (my $sig = shift @WAIT_FOR_TICK) {
		3723	$sig->send;
		3724	}
		3725
		3726	$LOAD = ($NOW - $TICK_START) / $TICK;
		3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3728
		3729	if (0) {
		3730	if ($NEXT_TICK) {
		3731	my $jitter = $TICK_START - $NEXT_TICK;
		3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3733	warn "jitter $JITTER\n";#d#
		3734	}
		3735	}
		3736	}
		3737
		3738	{
		3739	# configure BDB
		3740
		3741	BDB::min_parallel 8;
		3742	BDB::max_poll_reqs $TICK * 0.1;
		3743	$Coro::BDB::WATCHER->priority (1);
		3744
		3745	unless ($DB_ENV) {
		3746	$DB_ENV = BDB::db_env_create;
		3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3748	| BDB::LOG_AUTOREMOVE, 1);
		3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3751
		3752	cf::sync_job {
		3753	eval {
		3754	BDB::db_env_open
		3755	$DB_ENV,
		3756	$BDBDIR,
		3757	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3758	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3759	0666;
		3760
		3761	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3762	};
		3763
		3764	cf::cleanup "db_env_open(db): $@" if $@;
		3765	};
		3766	}
		3767
		3768	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3769	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3770	};
		3771	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3772	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3773	};
		3774	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3775	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3776	};
		3777	}
		3778
		3779	{
		3780	# configure IO::AIO
		3781
		3782	IO::AIO::min_parallel 8;
		3783	IO::AIO::max_poll_time $TICK * 0.1;
		3784	$Coro::AIO::WATCHER->priority (1);
		3785	}
		3786
		3787	my $_log_backtrace;
		3788
		3789	sub _log_backtrace {
		3790	my ($msg, @addr) = @_;
		3791
		3792	$msg =~ s/\n//;
		3793
		3794	# limit the # of concurrent backtraces
		3795	if ($_log_backtrace < 2) {
		3796	++$_log_backtrace;
		3797	async {
		3798	$Coro::current->{desc} = "abt $msg";
		3799
		3800	my @bt = fork_call {
		3801	@addr = map { sprintf "%x", $_ } @addr;
		3802	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3803	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3804	or die "addr2line: $!";
		3805
		3806	my @funcs;
		3807	my @res = <$fh>;
		3808	chomp for @res;
		3809	while (@res) {
		3810	my ($func, $line) = splice @res, 0, 2, ();
		3811	push @funcs, "[$func] $line";
		3812	}
		3813
		3814	@funcs
		3815	};
		3816
		3817	LOG llevInfo, "[ABT] $msg\n";
		3818	LOG llevInfo, "[ABT] $_\n" for @bt;
		3819	--$_log_backtrace;
		3820	};
		3821	} else {
		3822	LOG llevInfo, "[ABT] $msg\n";
		3823	LOG llevInfo, "[ABT] [suppressed]\n";
		3824	}
		3825	}
		3826
		3827	# load additional modules
		3828	use cf::pod;
2563		3829
2564	END { cf::emergency_save }	3830	END { cf::emergency_save }
2565		3831
2566	1	3832	1
2567		3833

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