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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.242 by root, Mon Apr 16 12:37:08 2007 UTC vs.
Revision 1.420 by root, Tue Apr 15 14:21:04 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV 3.2;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro 4.50 ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::EV;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
20	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
21	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
22		47
		48	use JSON::XS 2.01 ();
23	use BDB ();	49	use BDB ();
24	use Data::Dumper;	50	use Data::Dumper;
25	use Digest::MD5;	51	use Digest::MD5;
26	use Fcntl;	52	use Fcntl;
27	use YAML::Syck ();	53	use YAML ();
28	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
29	use Time::HiRes;	55	use Time::HiRes;
30	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
31		58
32	# configure various modules to our taste	59	# configure various modules to our taste
33	#	60	#
34	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		64
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		66
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		68
47	our %COMMAND = ();	69	our %COMMAND = ();
48	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
49		71
50	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
54		77
55	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
56	our @EVENT;	79	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		80
59	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
60	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(!)
61	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	97	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		99
67	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	104	our $DB_ENV;
69		105
70	our %CFG;	106	our %CFG;
71		107
72	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
74		111
75	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		115
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $TICK_START; # for load detecting purposes
		123
84	binmode STDOUT;	124	binmode STDOUT;
85	binmode STDERR;	125	binmode STDERR;
86		126
87	# read virtual server time, if available	127	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
92	}	132	}
93		133
94	mkdir cf::localdir;	134	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		136
101	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
102		138
103	sub cf::map::normalise;	139	sub cf::map::normalise;
104		140
…		…
115	=item $cf::RUNTIME	151	=item $cf::RUNTIME
116		152
117	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
118	every server tick.	154	every server tick.
119		155
120	=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
121		159
122	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		164
125	=item $cf::NOW	165	=item $cf::NOW
126		166
127	The time of the last (current) server tick.	167	The time of the last (current) server tick.
128		168
129	=item $cf::TICK	169	=item $cf::TICK
130		170
131	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	183	=item %cf::CFG
134		184
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	186	from wherever your confdir points to.
137		187
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		189
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		199
144	=back	200	=back
145		201
146	=cut	202	=cut
147		203
148	BEGIN {	204	BEGIN {
149	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	206	my $msg = join "", @_;
151	utf8::encode $msg;
152		207
153	$msg .= "\n"	208	$msg .= "\n"
154	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
155		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
156	LOG llevError, $msg;	213	LOG llevError, $msg;
157	};	214	};
158	}	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#?
159		231
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		239
167	# 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
168	# within the Safe compartment.	241	# within the Safe compartment.
169	for my $pkg (qw(	242	for my $pkg (qw(
170	cf::global cf::attachable	243	cf::global cf::attachable
…		…
175	)) {	248	)) {
176	no strict 'refs';	249	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	251	}
179		252
180	$Event::DIED = sub {	253	$EV::DIED = sub {
181	warn "error in event callback: @_";	254	warn "error in event callback: @_";
182	};	255	};
		256
		257	#############################################################################
183		258
184	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
185		260
186	=over 4	261	=over 4
187		262
…		…
206	$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;
207	$d	282	$d
208	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
209	}	284	}
210		285
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
214		287
215	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
216		289
217	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
218		291
219	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
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	}
		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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
268	};	428	}
269	$TICK_WATCHER->stop;	429	};
270	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
271	}	443	}
272		444
273	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
274		446
275	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		452
281	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
282		454
283	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
284		456
285	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
288		461
289	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
292	fast or be very important.	465	fast or be very important.
…		…
295		468
296	sub sync_job(&) {	469	sub sync_job(&) {
297	my ($job) = @_;	470	my ($job) = @_;
298		471
299	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
300	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
302		477
303	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	479
305	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
306		481
307	my $busy = 1;	482	my $busy = 1;
308	my @res;	483	my @res;
309		484
310	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	487	@res = eval { $job->() };
312	warn $@ if $@;	488	warn $@ if $@;
313	undef $busy;	489	undef $busy;
314	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
315		491
316	while ($busy) {	492	while ($busy) {
317	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
318	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
319		503
320	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
321	} else {	505	} else {
322	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
323		507
…		…
343	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
344		528
345	$coro	529	$coro
346	}	530	}
347		531
348	sub write_runtime {	532	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		533
351	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
352		538
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
354	or return;
355		540
356	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		543
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
361	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
362		547
363	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	549	reset_signals;
365	and return;	550	&$cb
		551	}, @args;
366		552
367	close $fh	553	wantarray ? @res : $res[-1]
368	or return;	554	}
369		555
370	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
371	and return;
372		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
373	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
374	}	708	}
375		709
376	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
377		711
378	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
398		732
399	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	735	Deliantra).
402		736
403	=over 4	737	=over 4
404		738
405	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
406		740
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
570		904
571	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		909
576	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	911	my $pkg = shift @arg;
578		912
579	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
609	}	943	}
610		944
611	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
612	} else {	946	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	948	}
615		949
616	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
617	}	951	}
618		952
…		…
620	if (ref $_[0]) {	954	if (ref $_[0]) {
621	_object_attach @_;	955	_object_attach @_;
622	} else {	956	} else {
623	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
624	}	958	}
		959	_recalc_want;
625	};	960	};
626		961
627	# all those should be optimised	962	# all those should be optimised
628	sub cf::attachable::detach {	963	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
633	reattach ($obj);	968	reattach ($obj);
634	} else {	969	} else {
635	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
636	}	971	}
		972	_recalc_want;
637	};	973	};
638		974
639	sub cf::attachable::attached {	975	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
641		977
…		…
656	";	992	";
657	die if $@;	993	die if $@;
658	}	994	}
659		995
660	our $override;	996	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		998
663	sub override {	999	sub override {
664	$override = 1;	1000	$override = 1;
665	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
666	}	1002	}
667		1003
668	sub do_invoke {	1004	sub do_invoke {
669	my $event = shift;	1005	my $event = shift;
670	my $callbacks = shift;	1006	my $callbacks = shift;
671		1007
672	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
673		1009
674	local $override;	1010	local $override;
675		1011
676	for (@$callbacks) {	1012	for (@$callbacks) {
677	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
686	}	1022	}
687		1023
688	0	1024	0
689	}	1025	}
690		1026
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1028
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1030
695	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
696		1032
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1036
701	=back	1037	=back
702		1038
703	=cut	1039	=cut
704		1040
705	#############################################################################	1041	#############################################################################
706	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
707		1085
708	sub reattach {	1086	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1088	my ($obj) = @_;
711		1089
…		…
732	cf::attachable->attach (	1110	cf::attachable->attach (
733	prio => -1000000,	1111	prio => -1000000,
734	on_instantiate => sub {	1112	on_instantiate => sub {
735	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
736		1114
737	$data = from_json $data;	1115	$data = decode_json $data;
738		1116
739	for (@$data) {	1117	for (@$data) {
740	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
741		1119
742	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1136	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
760		1138
761	sync_job {	1139	sync_job {
762	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
765		1144
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1149	close $fh;
771		1150
772	if (@$objs) {	1151	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1157	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
780	}	1159	}
…		…
788	}	1167	}
789	} else {	1168	} else {
790	aio_unlink $filename;	1169	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
792	}	1171	}
793	}	1172	};
794	}	1173	}
795		1174
796	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
798		1177
…		…
810	or return;	1189	or return;
811		1190
812	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
814	or return;	1193	or return;
		1194
815	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
816	}	1197	}
817		1198
		1199	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
820	return ($data, $av);	1203	($data, $av)
821	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
822		1211
823	#############################################################################	1212	#############################################################################
824	# command handling &c	1213	# command handling &c
825		1214
826	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1229	}
841		1230
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1232
844	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
845		1238
846	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
847	called.	1240	called.
848		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
849	=cut	1253	=cut
850		1254
851	sub register_extcmd {	1255	sub register_extcmd {
852	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
853		1257
854	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
855	}	1265	}
856		1266
857	cf::player->attach (	1267	cf::player->attach (
858	on_command => sub {	1268	on_command => sub {
859	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1278	cf::override;
869	},	1279	},
870	on_extcmd => sub {	1280	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
872		1282
873	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1284
875	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
881	} else {	1300	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1302	}
884		1303
885	cf::override;	1304	cf::override;
886	},	1305	},
887	);	1306	);
888		1307
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
924	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1313	next unless -r $path;
926	eval {	1314
927	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
928	1	1371	}
929	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
930	}	1377	};
931	}	1378	}
932		1379
933	#############################################################################	1380	#############################################################################
934		1381
		1382	=back
		1383
935	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
936		1385
937	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
938		1387
939	=cut	1388	=cut
…		…
944		1393
945	=head3 cf::player	1394	=head3 cf::player
946		1395
947	=over 4	1396	=over 4
948		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
949	=item cf::player::find $login	1412	=item cf::player::find $login
950		1413
951	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
952		1415
953	=cut	1416	=cut
954		1417
955	sub playerdir($) {	1418	sub playerdir($) {
956	cf::localdir	1419	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1421	}
962		1422
963	sub path($) {	1423	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
995		1455
996	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
997	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
999	}	1464	}
1000	}	1465	}
1001	}	1466	}
1002		1467
…		…
1011	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1012		1477
1013	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1015		1480
		1481	cf::get_slot 0.01;
		1482
1016	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1017	Coro::cede;	1484	cf::cede_to_tick;
1018	}	1485	}
1019		1486
1020	sub new($) {	1487	sub new($) {
1021	my ($login) = @_;	1488	my ($login) = @_;
1022		1489
…		…
1026	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1027		1494
1028	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1029		1496
1030	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1031	}	1508	}
1032		1509
1033	=item $pl->quit_character	1510	=item $pl->quit_character
1034		1511
1035	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1561	while and may block, so not sync_job-capable, ever.
1085		1562
1086	=cut	1563	=cut
1087		1564
1088	sub list_logins {	1565	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1566	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1567	or return [];
1091		1568
1092	my @logins;	1569	my @logins;
1093		1570
1094	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1098		1580
1099	utf8::decode $login;	1581	utf8::decode $login;
1100	push @logins, $login;	1582	push @logins, $login;
1101	}	1583	}
1102		1584
…		…
1129	}	1611	}
1130		1612
1131	\@paths	1613	\@paths
1132	}	1614	}
1133		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1134	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1135		1710
1136	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1137		1712
1138	=cut	1713	=cut
1139		1714
1140	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1142		1717
1143	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1719	}
1147		1720
1148	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1149		1722
1150	Sends an ext event to the client.	1723	Sends an ext event to the client.
1151		1724
1152	=cut	1725	=cut
1153		1726
1154	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1156		1729
1157	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1158	}	1731	}
1159		1732
1160	=head3 cf::region	1733	=head3 cf::region
1161		1734
1162	=over 4	1735	=over 4
…		…
1165		1738
1166	package cf::region;	1739	package cf::region;
1167		1740
1168	=item cf::region::find_by_path $path	1741	=item cf::region::find_by_path $path
1169		1742
1170	Tries to decuce the probable region for a map knowing only its path.	1743	Tries to decuce the likely region for a map knowing only its path.
1171		1744
1172	=cut	1745	=cut
1173		1746
1174	sub find_by_path($) {	1747	sub find_by_path($) {
1175	my ($path) = @_;	1748	my ($path) = @_;
1176		1749
1177	my ($match, $specificity);	1750	my ($match, $specificity);
1178		1751
1179	for my $region (list) {	1752	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1183	}	1756	}
1184	}	1757	}
1185		1758
…		…
1206	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1208		1781
1209	sub generate_random_map {	1782	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1211	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1788	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1250		1826
1251	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1252	local $self->{path};	1828	local $self->{path};
1253	local $self->{load_path};	1829	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1830
1257	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1258	}	1832	}
1259		1833
1260	sub normalise {	1834	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1308	return $self;	1882	return $self;
1309	}	1883	}
1310	}	1884	}
1311		1885
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1887	()
1314	}	1888	}
1315		1889
1316	sub init {	1890	sub init {
1317	my ($self) = @_;	1891	my ($self) = @_;
…		…
1332		1906
1333	# the original (read-only) location	1907	# the original (read-only) location
1334	sub load_path {	1908	sub load_path {
1335	my ($self) = @_;	1909	my ($self) = @_;
1336		1910
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1338	}	1912	}
1339		1913
1340	# the temporary/swap location	1914	# the temporary/swap location
1341	sub save_path {	1915	sub save_path {
1342	my ($self) = @_;	1916	my ($self) = @_;
1343		1917
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1346	}	1920	}
1347		1921
1348	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1349	sub uniq_path {	1923	sub uniq_path {
1350	my ($self) = @_;	1924	my ($self) = @_;
1351		1925
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1354	}	1928	}
1355		1929
1356	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1357	# all maps in C++...	1931	# all maps in C++...
1358	sub change_all_map_light {	1932	sub change_all_map_light {
…		…
1360		1934
1361	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1363	}	1937	}
1364		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1365	sub unlink_save {	1947	sub unlink_save {
1366	my ($self) = @_;	1948	my ($self) = @_;
1367		1949
1368	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1954
1373	sub load_header_from($) {	1955	sub load_header_from($) {
1374	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1375		1957
1376	utf8::encode $path;	1958	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1382		1967
1383	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1384		1969
1385	1	1970	1
1386	}	1971	}
…		…
1425	$self->load_header_orig	2010	$self->load_header_orig
1426	or return;	2011	or return;
1427	$self->prepare_orig;	2012	$self->prepare_orig;
1428	}	2013	}
1429		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
1430	$self->default_region (cf::region::find_by_path $self->{path})	2018	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2019	unless $self->default_region;
1432		2020
1433	1	2021	1
1434	}	2022	}
…		…
1437	sub find {	2025	sub find {
1438	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1439		2027
1440	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1441		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1443		2032
1444	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1446	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1447	or return;	2038	or return;
1448		2039
1449	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1450		2041
1451	$map->load_header	2042	$map->load_header
1452	or return;	2043	or return;
1453		2044
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1457	$map->reset;	2050	$map->reset;
1458	undef $guard;
1459	return find $path;	2051	return find $path;
1460	}	2052	}
1461		2053
1462	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1463	}	2055	}
…		…
1470	my ($self) = @_;	2062	my ($self) = @_;
1471		2063
1472	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1473		2065
1474	my $path = $self->{path};	2066	my $path = $self->{path};
		2067
		2068	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1476		2070
		2071	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2073
1479	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1480		2075
1481	$self->alloc;	2076	$self->alloc;
1482		2077
1483	$self->pre_load;	2078	$self->pre_load;
1484	Coro::cede;	2079	cf::cede_to_tick;
1485		2080
1486	$self->_load_objects ($self->{load_path}, 1)	2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
		2083	$self->_load_objects ($f)
1487	or return;	2084	or return;
1488		2085
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	2087	if delete $self->{load_original};
1491		2088
1492	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2090	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2093	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1497	}	2097	}
1498	}	2098	}
1499		2099
1500	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1501	# now do the right thing for maps	2103	# now do the right thing for maps
1502	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2106	unless $self->difficulty;
1513	Coro::cede;	2107	cf::cede_to_tick;
		2108
		2109	unless ($self->{deny_activate}) {
		2110	$self->decay_objects;
		2111	$self->fix_auto_apply;
		2112	$self->update_buttons;
		2113	cf::cede_to_tick;
		2114	$self->set_darkness_map;
		2115	cf::cede_to_tick;
1514	$self->activate;	2116	$self->activate;
1515	Coro::cede;	2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2123	}
1517		2124
1518	$self->post_load;	2125	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2126	}
1523		2127
1524	sub customise_for {	2128	sub customise_for {
1525	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1526		2130
1527	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2132	if $self->per_player;
1529		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1530	$self	2137	$self
1531	}	2138	}
1532		2139
1533	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2141	sub load_neighbours {
1535	my ($map) = @_;	2142	my ($map) = @_;
1536		2143
1537	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1538		2145
1539	for (0 .. 3) {	2146	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1541	or next;	2148	or next;
1542	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1543	or next;	2150	or next;
1544	$neigh->load;	2151	$neigh->load;
1545		2152
		2153	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2156	}
1549		2157
1550	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1552	or next;	2161	or next;
1553	$neigh->load;	2162	$neigh->load;
1554	}	2163	}
1555	}	2164	}
1556		2165
…		…
1561	}	2170	}
1562		2171
1563	sub do_load_sync {	2172	sub do_load_sync {
1564	my ($map) = @_;	2173	my ($map) = @_;
1565		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1566	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1567	}	2179	}
1568		2180
1569	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1571		2183
1572	sub find_async {	2184	sub find_async {
1573	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1574		2186
1575	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1576		2188
1577	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2191	}
1580		2192
1581	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1582	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1583	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2200	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2201	$map->load if $v;
		2202	}
1588		2203
1589	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1590	}	2205	}
1591	}	2206	}
1592	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1593	};	2208	};
1594	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2212	}
1598		2213
1599	sub save {	2214	sub save {
1600	my ($self) = @_;	2215	my ($self) = @_;
1601		2216
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2218
1604	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1605		2220
1606	return unless $self->dirty;	2221	return unless $self->dirty;
1607		2222
…		…
1613	return if $self->{deny_save};	2228	return if $self->{deny_save};
1614		2229
1615	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1616		2231
1617	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1619	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1620		2238
1621	if ($uniq) {	2239	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2242	} else {
…		…
1630	my ($self) = @_;	2248	my ($self) = @_;
1631		2249
1632	# save first because save cedes	2250	# save first because save cedes
1633	$self->save;	2251	$self->save;
1634		2252
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2254
1637	return if $self->players;	2255	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2257	return if $self->{deny_save};
1640		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2263	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2264	}
1644		2265
1645	sub reset_at {	2266	sub reset_at {
1646	my ($self) = @_;	2267	my ($self) = @_;
1647		2268
1648	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1651		2271
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2274
…		…
1665	my ($self) = @_;	2285	my ($self) = @_;
1666		2286
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2288
1669	return if $self->players;	2289	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2290
1672	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
1673		2292
1674	$self->in_memory (cf::MAP_SWAPPED);	2293	$self->in_memory (cf::MAP_SWAPPED);
1675		2294
1676	# need to save uniques path	2295	# need to save uniques path
1677	unless ($self->{deny_save}) {	2296	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2300	if $uniq;
1682	}	2301	}
1683		2302
1684	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1685		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2307	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2308
1690	$self->unlink_save;	2309	$self->unlink_save;
1691	$self->destroy;	2310	$self->destroy;
1692	}	2311	}
1693		2312
1694	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1695		2314
1696	sub nuke {	2315	sub nuke {
1697	my ($self) = @_;	2316	my ($self) = @_;
1698		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1699	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1700		2322
1701	$self->unlink_save;	2323	$self->unlink_save;
1702		2324
1703	bless $self, "cf::map";	2325	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2330
1709	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1710		2333
1711	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1712	}	2371	}
1713		2372
1714	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1715		2374
1716	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2376	instantiated unique items. May block.
1718		2377
1719	=cut	2378	=cut
1720		2379
1721	sub unique_maps() {	2380	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2381	[
1723	or return;	2382	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2383	utf8::decode $_;
1729	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2386	? ()
1732	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2389	]
1734
1735	\@paths
1736	}	2390	}
1737
1738	package cf;
1739		2391
1740	=back	2392	=back
1741		2393
1742	=head3 cf::object	2394	=head3 cf::object
1743		2395
…		…
1747		2399
1748	=over 4	2400	=over 4
1749		2401
1750	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1751		2403
1752	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1753		2406
1754	=cut	2407	=cut
1755		2408
1756	sub inv_recursive_;	2409	sub inv_recursive_;
1757	sub inv_recursive_ {	2410	sub inv_recursive_ {
1758	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1759	}	2412	}
1760		2413
1761	sub inv_recursive {	2414	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1763	}	2444	}
1764		2445
1765	package cf;	2446	package cf;
1766		2447
1767	=back	2448	=back
…		…
1786		2467
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2469
1789	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1791	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1794	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1795	}	2495	}
1796		2496
1797	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1798		2498
1799	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1847		2547
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2549
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1852		2552
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2554	}
1855		2555
1856	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1858		2560
1859	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1860		2562
1861	unless ($map) {	2563	unless ($map) {
1862	# restore original map position	2564	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1879		2581
1880	$map->load;	2582	$map->load;
1881	$map->load_diag;	2583	$map->load_neighbours;
1882		2584
1883	return unless $self->contr->active;	2585	return unless $self->contr->active;
1884	$self->activate_recursive;	2586	$self->activate_recursive;
1885		2587
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1888	}	2590	}
1889		2591
1890	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2593
1894	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1898	};	2598	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2599
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1925		2603
1926	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2609
1929	$self->enter_link;	2610	$self->enter_link;
1930		2611
1931	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1932	my $map = eval {	2634	my $map = eval {
1933	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
		2639	$map = $check->($map) if $check && $map;
		2640	} else {
		2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
		2643
1935	$map	2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2650	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1940	})->prio (1);	2658	})->prio (1);
1941	}	2659	}
1942		2660
1943	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1944		2662
…		…
1981	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
1982	}	2700	}
1983		2701
1984	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
1985		2703
1986	my $data = cf::to_json $rmp;	2704	my $data = cf::encode_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
1989		2707
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2710	undef $fh;
1993	aio_rename "$meta~", $meta;	2711	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
2015		2733
2016	$self->enter_link;	2734	$self->enter_link;
2017		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
2018	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2019	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2744	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2022		2746
2023	1;	2747	1;
…		…
2049		2773
2050	utf8::encode $text;	2774	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2776	}
2053		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
2054	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2055		2903
2056	Sends an exti event to the client.	2904	Sends an ext event to the client.
2057		2905
2058	=cut	2906	=cut
2059		2907
2060	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2062		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2065	}	2935	}
2066		2936
2067	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2068		2938
2069	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2942
2073	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2944	become reliable at some point in the future.
2075		2945
2076	=cut	2946	=cut
2077		2947
2078	sub cf::client::query {	2948	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2957	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2959
2090	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2092	}	2964	}
2093		2965
2094	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2095	on_reply => sub {	2972	on_reply => sub {
2096	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2097		2974
2098	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2099	# get handled first	2976	# get handled first
…		…
2111	} else {	2988	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2990	}
2114	}	2991	}
2115	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2116	);	3019	);
2117		3020
2118	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2119		3022
2120	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2163		3066
2164	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2165		3068
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2167		3074
2168	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2169		3076
2170	=pod	3077	=pod
2171		3078
2172	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2173		3080
2174	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease_ob_nr
		3084
2175	cf::object::player player	3085	cf::object::player
2176	cf::player peaceful	3086	player
2177	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2178		3093
2179	=cut	3094	=cut
2180		3095
2181	for (	3096	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2183	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2186	) {	3103	) {
2187	no strict 'refs';	3104	no strict 'refs';
…		…
2258	=back	3175	=back
2259		3176
2260	=cut	3177	=cut
2261		3178
2262	#############################################################################	3179	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3180	# the server's init and main functions
2336		3181
2337	sub load_facedata {	3182	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3190
2340	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2341		3192
2342	my $facedata;	3193	my $facedata;
2343	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2347		3198
2348	$facedata->{version} == 2	3199	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2351	{	3209	{
2352	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2353		3211
2354	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3219
		3220	cf::cede_to_tick;
2360	}	3221	}
2361		3222
2362	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2364	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2365	or next;	3227	or next;
		3228
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3232	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3234	}
2371	Coro::cede;	3235
		3236	cf::cede_to_tick;
2372	}	3237	}
2373	}	3238	}
2374		3239
2375	{	3240	{
2376	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2377		3242
2378	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3245	cf::cede_to_tick;
2381	}	3246	}
2382		3247
2383	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2384	}	3249	}
2385		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2386	1	3286	1
2387	}	3287	}
2388		3288
2389	our $archetypes_loaded;	3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
2390		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub reload_regions {
		3318	# HACK to clear player env face cache, we need some signal framework
		3319	# for this (global event?)
		3320	%ext::player_env::MUSIC_FACE_CACHE = ();
		3321
		3322	load_resource_file "$MAPDIR/regions"
		3323	or die "unable to load regions file\n";
		3324
		3325	for (cf::region::list) {
		3326	$_->{match} = qr/$_->{match}/
		3327	if exists $_->{match};
		3328	}
		3329	}
		3330
		3331	sub reload_facedata {
		3332	load_facedata "$DATADIR/facedata"
		3333	or die "unable to load facedata\n";
		3334	}
		3335
2391	sub load_archetypes {	3336	sub reload_archetypes {
2392	return 1 if $archetypes_loaded++; # current can only load them once	3337	load_resource_file "$DATADIR/archetypes"
2393	# load_archetype_file sprintf "%s/archetypes", cf::datadir;	3338	or die "unable to load archetypes\n";
2394	load_archetype_file sprintf "%s/archetypes", cf::datadir	3339	#d# NEED to laod twice to resolve forward references
		3340	# this really needs to be done in an extra post-pass
		3341	# (which needs to be synchronous, so solve it differently)
		3342	load_resource_file "$DATADIR/archetypes"
		3343	or die "unable to load archetypes\n";
2395	}	3344	}
2396		3345
2397	sub load_treasures {	3346	sub reload_treasures {
2398	load_treasure_file sprintf "%s/treasures", cf::datadir	3347	load_resource_file "$DATADIR/treasures"
		3348	or die "unable to load treasurelists\n";
2399	}	3349	}
2400		3350
2401	sub reload_resources {	3351	sub reload_resources {
2402	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3352	warn "reloading resource files...\n";
2403	or die "unable to load regions file\n";	3353
		3354	reload_regions;
2404	load_facedata	3355	reload_facedata;
2405	or die "unable to load facedata\n";	3356	#reload_archetypes;#d#
2406	load_archetypes	3357	reload_archetypes;
2407	or die "unable to load archetypes\n";
2408	load_treasures	3358	reload_treasures;
2409	or die "unable to load treasurelists\n";	3359
		3360	warn "finished reloading resource files\n";
2410	}	3361	}
2411		3362
2412	sub init {	3363	sub init {
2413	reload_resources;	3364	reload_resources;
2414	}	3365	}
2415		3366
2416	sub cfg_load {	3367	sub reload_config {
2417	open my $fh, "<:utf8", cf::confdir . "/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2418	or return;	3369	or return;
2419		3370
2420	local $/;	3371	local $/;
2421	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2422		3373
2423	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2424		3375
2425	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2426	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2437	sub main {	3388	sub main {
2438	# we must not ever block the main coroutine	3389	# we must not ever block the main coroutine
2439	local $Coro::idle = sub {	3390	local $Coro::idle = sub {
2440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3391	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2441	(async {	3392	(async {
2442	Event::one_event;	3393	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3394	EV::loop EV::LOOP_ONESHOT;
2443	})->prio (Coro::PRIO_MAX);	3395	})->prio (Coro::PRIO_MAX);
2444	};	3396	};
2445		3397
2446	cfg_load;	3398	reload_config;
2447	db_init;	3399	db_init;
2448	load_extensions;	3400	load_extensions;
2449		3401
2450	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	evthread_start IO::AIO::poll_fileno;
2451	Event::loop;	3404	EV::loop;
2452	}	3405	}
2453		3406
2454	#############################################################################	3407	#############################################################################
2455	# initialisation and cleanup	3408	# initialisation and cleanup
2456		3409
2457	# install some emergency cleanup handlers	3410	# install some emergency cleanup handlers
2458	BEGIN {	3411	BEGIN {
		3412	our %SIGWATCHER = ();
2459	for my $signal (qw(INT HUP TERM)) {	3413	for my $signal (qw(INT HUP TERM)) {
2460	Event->signal (	3414	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2461	reentrant => 0,
2462	data => WF_AUTOCANCEL,
2463	signal => $signal,
2464	prio => 0,
2465	cb => sub {
2466	cf::cleanup "SIG$signal";	3415	cf::cleanup "SIG$signal";
2467	},
2468	);	3416	};
		3417	}
		3418	}
		3419
		3420	sub write_runtime_sync {
		3421	my $runtime = "$LOCALDIR/runtime";
		3422
		3423	# first touch the runtime file to show we are still running:
		3424	# the fsync below can take a very very long time.
		3425
		3426	IO::AIO::aio_utime $runtime, undef, undef;
		3427
		3428	my $guard = cf::lock_acquire "write_runtime";
		3429
		3430	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3431	or return;
		3432
		3433	my $value = $cf::RUNTIME + 90 + 10;
		3434	# 10 is the runtime save interval, for a monotonic clock
		3435	# 60 allows for the watchdog to kill the server.
		3436
		3437	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3438	and return;
		3439
		3440	# always fsync - this file is important
		3441	aio_fsync $fh
		3442	and return;
		3443
		3444	# touch it again to show we are up-to-date
		3445	aio_utime $fh, undef, undef;
		3446
		3447	close $fh
		3448	or return;
		3449
		3450	aio_rename "$runtime~", $runtime
		3451	and return;
		3452
		3453	warn "runtime file written.\n";
		3454
2469	}	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
2470	}	3499	}
2471		3500
2472	sub emergency_save() {	3501	sub emergency_save() {
2473	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
2474		3503
…		…
2480	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
2481	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
2482	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
2483	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
2484	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2485	$pl->save;	3515	$pl->save;
2486	}	3516	}
2487	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
2488		3518
2489	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
2495	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
2496		3526
2497	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
2498	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
2499	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
2500	};	3534	};
2501		3535
2502	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
2503	}	3537	}
2504		3538
…		…
2507		3541
2508	warn Carp::longmess "post_cleanup backtrace"	3542	warn Carp::longmess "post_cleanup backtrace"
2509	if $make_core;	3543	if $make_core;
2510	}	3544	}
2511		3545
2512	sub reload() {	3546	sub do_reload_perl() {
2513	# can/must only be called in main	3547	# can/must only be called in main
2514	if ($Coro::current != $Coro::main) {	3548	if ($Coro::current != $Coro::main) {
2515	warn "can only reload from main coroutine";	3549	warn "can only reload from main coroutine";
2516	return;	3550	return;
2517	}	3551	}
…		…
2519	warn "reloading...";	3553	warn "reloading...";
2520		3554
2521	warn "entering sync_job";	3555	warn "entering sync_job";
2522		3556
2523	cf::sync_job {	3557	cf::sync_job {
2524	cf::write_runtime; # external watchdog should not bark	3558	cf::write_runtime_sync; # external watchdog should not bark
2525	cf::emergency_save;	3559	cf::emergency_save;
2526	cf::write_runtime; # external watchdog should not bark	3560	cf::write_runtime_sync; # external watchdog should not bark
2527		3561
2528	warn "syncing database to disk";	3562	warn "syncing database to disk";
2529	BDB::db_env_txn_checkpoint $DB_ENV;	3563	BDB::db_env_txn_checkpoint $DB_ENV;
2530		3564
2531	# if anything goes wrong in here, we should simply crash as we already saved	3565	# if anything goes wrong in here, we should simply crash as we already saved
2532
2533	warn "cancelling all WF_AUTOCANCEL watchers";
2534	for (Event::all_watchers) {
2535	$_->cancel if $_->data & WF_AUTOCANCEL;
2536	}
2537		3566
2538	warn "flushing outstanding aio requests";	3567	warn "flushing outstanding aio requests";
2539	for (;;) {	3568	for (;;) {
2540	BDB::flush;	3569	BDB::flush;
2541	IO::AIO::flush;	3570	IO::AIO::flush;
2542	Coro::cede;	3571	Coro::cede_notself;
2543	last unless IO::AIO::nreqs || BDB::nreqs;	3572	last unless IO::AIO::nreqs || BDB::nreqs;
2544	warn "iterate...";	3573	warn "iterate...";
2545	}	3574	}
2546		3575
2547	++$RELOAD;	3576	++$RELOAD;
…		…
2551	%EXT_CORO = ();	3580	%EXT_CORO = ();
2552		3581
2553	warn "removing commands";	3582	warn "removing commands";
2554	%COMMAND = ();	3583	%COMMAND = ();
2555		3584
2556	warn "removing ext commands";	3585	warn "removing ext/exti commands";
2557	%EXTCMD = ();	3586	%EXTCMD = ();
		3587	%EXTICMD = ();
2558		3588
2559	warn "unloading/nuking all extensions";	3589	warn "unloading/nuking all extensions";
2560	for my $pkg (@EXTS) {	3590	for my $pkg (@EXTS) {
2561	warn "... unloading $pkg";	3591	warn "... unloading $pkg";
2562		3592
…		…
2592	Symbol::delete_package "safe::$_"	3622	Symbol::delete_package "safe::$_"
2593	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3623	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2594		3624
2595	warn "unloading cf.pm \"a bit\"";	3625	warn "unloading cf.pm \"a bit\"";
2596	delete $INC{"cf.pm"};	3626	delete $INC{"cf.pm"};
		3627	delete $INC{"cf/pod.pm"};
2597		3628
2598	# don't, removes xs symbols, too,	3629	# don't, removes xs symbols, too,
2599	# and global variables created in xs	3630	# and global variables created in xs
2600	#Symbol::delete_package __PACKAGE__;	3631	#Symbol::delete_package __PACKAGE__;
2601		3632
…		…
2604	warn "reloading cf.pm";	3635	warn "reloading cf.pm";
2605	require cf;	3636	require cf;
2606	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3637	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2607		3638
2608	warn "loading config and database again";	3639	warn "loading config and database again";
2609	cf::cfg_load;	3640	cf::reload_config;
2610		3641
2611	warn "loading extensions";	3642	warn "loading extensions";
2612	cf::load_extensions;	3643	cf::load_extensions;
2613		3644
2614	warn "reattaching attachments to objects/players";	3645	warn "reattaching attachments to objects/players";
…		…
2616	warn "reattaching attachments to maps";	3647	warn "reattaching attachments to maps";
2617	reattach $_ for values %MAP;	3648	reattach $_ for values %MAP;
2618	warn "reattaching attachments to players";	3649	warn "reattaching attachments to players";
2619	reattach $_ for values %PLAYER;	3650	reattach $_ for values %PLAYER;
2620		3651
2621	warn "loading reloadable resources";
2622	reload_resources;
2623
2624	warn "leaving sync_job";	3652	warn "leaving sync_job";
2625		3653
2626	1	3654	1
2627	} or do {	3655	} or do {
2628	warn $@;	3656	warn $@;
2629	warn "error while reloading, exiting.";	3657	cf::cleanup "error while reloading, exiting.";
2630	exit 1;
2631	};	3658	};
2632		3659
2633	warn "reloaded";	3660	warn "reloaded";
2634	};	3661	};
2635		3662
2636	our $RELOAD_WATCHER; # used only during reload	3663	our $RELOAD_WATCHER; # used only during reload
2637		3664
		3665	sub reload_perl() {
		3666	# doing reload synchronously and two reloads happen back-to-back,
		3667	# coro crashes during coro_state_free->destroy here.
		3668
		3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3670	do_reload_perl;
		3671	undef $RELOAD_WATCHER;
		3672	};
		3673	}
		3674
2638	register_command "reload" => sub {	3675	register_command "reload" => sub {
2639	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2640		3677
2641	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2642	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
2643		3680	async {
2644	# doing reload synchronously and two reloads happen back-to-back,	3681	$Coro::current->{desc} = "perl_reload";
2645	# coro crashes during coro_state_free->destroy here.
2646
2647	$RELOAD_WATCHER ||= Event->timer (
2648	reentrant => 0,
2649	after => 0,
2650	data => WF_AUTOCANCEL,
2651	cb => sub {
2652	reload;	3682	reload_perl;
2653	undef $RELOAD_WATCHER;
2654	},
2655	);	3683	};
2656	}	3684	}
2657	};	3685	};
2658		3686
2659	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2660		3688
…		…
2662		3690
2663	our @WAIT_FOR_TICK;	3691	our @WAIT_FOR_TICK;
2664	our @WAIT_FOR_TICK_BEGIN;	3692	our @WAIT_FOR_TICK_BEGIN;
2665		3693
2666	sub wait_for_tick {	3694	sub wait_for_tick {
2667	return unless $TICK_WATCHER->is_active;	3695	return if tick_inhibit;
2668	return if $Coro::current == $Coro::main;	3696	return if $Coro::current == $Coro::main;
2669		3697
2670	my $signal = new Coro::Signal;	3698	my $signal = new Coro::Signal;
2671	push @WAIT_FOR_TICK, $signal;	3699	push @WAIT_FOR_TICK, $signal;
2672	$signal->wait;	3700	$signal->wait;
2673	}	3701	}
2674		3702
2675	sub wait_for_tick_begin {	3703	sub wait_for_tick_begin {
2676	return unless $TICK_WATCHER->is_active;	3704	return if tick_inhibit;
2677	return if $Coro::current == $Coro::main;	3705	return if $Coro::current == $Coro::main;
2678		3706
2679	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
2680	push @WAIT_FOR_TICK_BEGIN, $signal;	3708	push @WAIT_FOR_TICK_BEGIN, $signal;
2681	$signal->wait;	3709	$signal->wait;
2682	}	3710	}
2683		3711
2684	$TICK_WATCHER = Event->timer (	3712	sub tick {
2685	reentrant => 0,
2686	parked => 1,
2687	prio => 0,
2688	at => $NEXT_TICK || $TICK,
2689	data => WF_AUTOCANCEL,
2690	cb => sub {
2691	if ($Coro::current != $Coro::main) {	3713	if ($Coro::current != $Coro::main) {
2692	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3714	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2693	unless ++$bug_warning > 10;	3715	unless ++$bug_warning > 10;
2694	return;	3716	return;
2695	}	3717	}
2696		3718
2697	$NOW = Event::time;
2698
2699	cf::server_tick; # one server iteration	3719	cf::server_tick; # one server iteration
2700	$RUNTIME += $TICK;
2701	$NEXT_TICK += $TICK;
2702		3720
2703	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3721	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2704	$NEXT_RUNTIME_WRITE = $NOW + 10;	3722	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2705	Coro::async_pool {	3723	Coro::async_pool {
		3724	$Coro::current->{desc} = "runtime saver";
2706	write_runtime	3725	write_runtime_sync
2707	or warn "ERROR: unable to write runtime file: $!";	3726	or warn "ERROR: unable to write runtime file: $!";
2708	};
2709	}	3727	};
		3728	}
2710		3729
2711	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3730	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2712	$sig->send;	3731	$sig->send;
2713	}	3732	}
2714	while (my $sig = shift @WAIT_FOR_TICK) {	3733	while (my $sig = shift @WAIT_FOR_TICK) {
2715	$sig->send;	3734	$sig->send;
2716	}
2717
2718	# my $AFTER = Event::time;
2719	# warn $AFTER - $NOW;#d#
2720
2721	# if we are delayed by four ticks or more, skip them all
2722	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2723
2724	$TICK_WATCHER->at ($NEXT_TICK);
2725	$TICK_WATCHER->start;
2726	},	3735	}
2727	);	3736
		3737	$LOAD = ($NOW - $TICK_START) / $TICK;
		3738	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3739
		3740	if (0) {
		3741	if ($NEXT_TICK) {
		3742	my $jitter = $TICK_START - $NEXT_TICK;
		3743	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3744	warn "jitter $JITTER\n";#d#
		3745	}
		3746	}
		3747	}
2728		3748
2729	{	3749	{
2730	BDB::max_poll_time $TICK * 0.1;	3750	# configure BDB
2731	$BDB_POLL_WATCHER = Event->io (	3751
2732	reentrant => 0,
2733	fd => BDB::poll_fileno,
2734	poll => 'r',
2735	prio => 0,
2736	data => WF_AUTOCANCEL,
2737	cb => \&BDB::poll_cb,
2738	);
2739	BDB::min_parallel 8;	3752	BDB::min_parallel 8;
2740		3753	BDB::max_poll_reqs $TICK * 0.1;
2741	BDB::set_sync_prepare {	3754	$Coro::BDB::WATCHER->priority (1);
2742	my $status;
2743	my $current = $Coro::current;
2744	(
2745	sub {
2746	$status = $!;
2747	$current->ready; undef $current;
2748	},
2749	sub {
2750	Coro::schedule while defined $current;
2751	$! = $status;
2752	},
2753	)
2754	};
2755		3755
2756	unless ($DB_ENV) {	3756	unless ($DB_ENV) {
2757	$DB_ENV = BDB::db_env_create;	3757	$DB_ENV = BDB::db_env_create;
		3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3759	| BDB::LOG_AUTOREMOVE, 1);
		3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2758		3762
2759	cf::sync_job {	3763	cf::sync_job {
2760	eval {	3764	eval {
2761	BDB::db_env_open	3765	BDB::db_env_open
2762	$DB_ENV,	3766	$DB_ENV,
2763	$BDB_ENV_DIR,	3767	$BDBDIR,
2764	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2765	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2766	0666;	3770	0666;
2767		3771
2768	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3772	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2769
2770	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2771	$DB_ENV->set_lk_detect;
2772	};	3773	};
2773		3774
2774	cf::cleanup "db_env_open(db): $@" if $@;	3775	cf::cleanup "db_env_open(db): $@" if $@;
2775	};	3776	};
2776	}	3777	}
		3778
		3779	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3780	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3781	};
		3782	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3783	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3784	};
		3785	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3786	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3787	};
2777	}	3788	}
2778		3789
2779	{	3790	{
		3791	# configure IO::AIO
		3792
2780	IO::AIO::min_parallel 8;	3793	IO::AIO::min_parallel 8;
2781
2782	undef $Coro::AIO::WATCHER;
2783	IO::AIO::max_poll_time $TICK * 0.1;	3794	IO::AIO::max_poll_time $TICK * 0.1;
2784	$AIO_POLL_WATCHER = Event->io (	3795	$Coro::AIO::WATCHER->priority (1);
2785	reentrant => 0,
2786	data => WF_AUTOCANCEL,
2787	fd => IO::AIO::poll_fileno,
2788	poll => 'r',
2789	prio => 6,
2790	cb => \&IO::AIO::poll_cb,
2791	);
2792	}	3796	}
		3797
		3798	my $_log_backtrace;
		3799
		3800	sub _log_backtrace {
		3801	my ($msg, @addr) = @_;
		3802
		3803	$msg =~ s/\n//;
		3804
		3805	# limit the # of concurrent backtraces
		3806	if ($_log_backtrace < 2) {
		3807	++$_log_backtrace;
		3808	async {
		3809	$Coro::current->{desc} = "abt $msg";
		3810
		3811	my @bt = fork_call {
		3812	@addr = map { sprintf "%x", $_ } @addr;
		3813	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3814	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3815	or die "addr2line: $!";
		3816
		3817	my @funcs;
		3818	my @res = <$fh>;
		3819	chomp for @res;
		3820	while (@res) {
		3821	my ($func, $line) = splice @res, 0, 2, ();
		3822	push @funcs, "[$func] $line";
		3823	}
		3824
		3825	@funcs
		3826	};
		3827
		3828	LOG llevInfo, "[ABT] $msg\n";
		3829	LOG llevInfo, "[ABT] $_\n" for @bt;
		3830	--$_log_backtrace;
		3831	};
		3832	} else {
		3833	LOG llevInfo, "[ABT] $msg\n";
		3834	LOG llevInfo, "[ABT] [suppressed]\n";
		3835	}
		3836	}
		3837
		3838	# load additional modules
		3839	use cf::pod;
2793		3840
2794	END { cf::emergency_save }	3841	END { cf::emergency_save }
2795		3842
2796	1	3843	1
2797		3844

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