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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 2009 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.61 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;	56	use Digest::MD5;
26	use Fcntl;	57	use Fcntl;
27	use YAML::Syck ();	58	use YAML ();
28	use IO::AIO 2.32 ();	59	use IO::AIO ();
29	use Time::HiRes;	60	use Time::HiRes;
30	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
31		65
32	# configure various modules to our taste	66	# configure various modules to our taste
33	#	67	#
34	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		76
38	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
39		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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
44		79
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		81
47	our %COMMAND = ();	82	our %COMMAND = ();
48	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
49		84
50	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
54		90
55	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	92	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	93
		94	our $CONFDIR = confdir;
		95	our $DATADIR = datadir;
		96	our $LIBDIR = "$DATADIR/ext";
		97	our $PODDIR = "$DATADIR/pod";
		98	our $MAPDIR = "$DATADIR/" . mapdir;
		99	our $LOCALDIR = localdir;
		100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		103	our $RANDOMDIR = "$LOCALDIR/random";
		104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
58		109
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	112	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
69		121
70	our %CFG;	122	our %CFG;
71		123
72	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
74		127
75	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	130	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		131
81	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
84	binmode STDOUT;	145	binmode STDOUT;
85	binmode STDERR;	146	binmode STDERR;
86		147
87	# read virtual server time, if available	148	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
92	}	153	}
93		154
94	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	156
96	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		159
101	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
102		161
103	sub cf::map::normalise;	162	sub cf::map::normalise;
104		163
…		…
115	=item $cf::RUNTIME	174	=item $cf::RUNTIME
116		175
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	176	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	177	every server tick.
119		178
120	=item $cf::LIBDIR	179	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		180	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		181	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		182
122	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	184	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		185	unique-items directory, player file directory, random maps directory and
		186	database environment.
124		187
125	=item $cf::NOW	188	=item $cf::NOW
126		189
127	The time of the last (current) server tick.	190	The time of the last (current) server tick.
128		191
129	=item $cf::TICK	192	=item $cf::TICK
130		193
131	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
132		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
133	=item %cf::CFG	206	=item %cf::CFG
134		207
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	209	from wherever your confdir points to.
137		210
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		212
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	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	214	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.	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
		222
144	=back	223	=back
145		224
146	=cut	225	=cut
147		226
148	BEGIN {	227	BEGIN {
149	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	229	my $msg = join "", @_;
151	utf8::encode $msg;
152		230
153	$msg .= "\n"	231	$msg .= "\n"
154	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
155		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
156	LOG llevError, $msg;	236	LOG llevError, $msg;
157	};	237	};
158	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
159		254
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	259	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		260	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	261	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		262
167	# we bless all objects into (empty) derived classes to force a method lookup	263	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	264	# within the Safe compartment.
169	for my $pkg (qw(	265	for my $pkg (qw(
170	cf::global cf::attachable	266	cf::global cf::attachable
171	cf::object cf::object::player	267	cf::object cf::object::player
172	cf::client cf::player	268	cf::client cf::player
173	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
174	cf::map cf::party cf::region	271	cf::party cf::region
175	)) {	272	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	274	}
179		275
180	$Event::DIED = sub {	276	$EV::DIED = sub {
181	warn "error in event callback: @_";	277	warn "error in event callback: @_";
182	};	278	};
		279
		280	#############################################################################
183		281
184	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
185		283
186	=over 4	284	=over 4
187		285
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	305	$d
208	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
209	}	307	}
210		308
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
214		310
215	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
216		312
217	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
218		314
219	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
220		316
		317	=cut
		318
		319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		320
		321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
		337
221	=item cf::lock_wait $string	338	=item cf::lock_wait $string
222		339
223	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
224		341
225	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
226		343
227	Wait until the given lock is available and then acquires it and returns	344	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,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
230	returned.	347	returned.
231		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
232	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
234		354
235	=cut	355	=item $locked = cf::lock_active $string
236		356
237	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
238		362
239	sub lock_wait($) {	363	sub lock_wait($) {
240	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	365	}
248		366
249	sub lock_acquire($) {	367	sub lock_acquire($) {
250	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
251		370
252	# wait, to be sure we are not locked	371	sub lock_active($) {
253	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	373	}
262		374
263	sub freeze_mainloop {	375	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
265		377
266	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	379	}
		380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
268	};	439	}
269	$TICK_WATCHER->stop;	440	};
270	$guard	441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
271	}	454	}
272		455
273	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
274		457
275	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		463
281	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
282		465
283	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
284		467
285	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
288		472
289	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
292	fast or be very important.	476	fast or be very important.
…		…
295		479
296	sub sync_job(&) {	480	sub sync_job(&) {
297	my ($job) = @_;	481	my ($job) = @_;
298		482
299	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
300	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
302		488
303	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	490
305	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
306		492
307	my $busy = 1;	493	my $busy = 1;
308	my @res;	494	my @res;
309		495
310	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	498	@res = eval { $job->() };
312	warn $@ if $@;	499	warn $@ if $@;
313	undef $busy;	500	undef $busy;
314	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
315		502
316	while ($busy) {	503	while ($busy) {
317	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
318	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
319		514
320	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
321	} else {	516	} else {
322	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
323		518
…		…
343	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
344		539
345	$coro	540	$coro
346	}	541	}
347		542
348	sub write_runtime {	543	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		544
351	my $runtime = cf::localdir . "/runtime";	545	Executes the given code block with the given arguments in a seperate
		546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
352		549
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	550	=cut
354	or return;
355		551
356	my $value = $cf::RUNTIME + 90 + 10;	552	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	553	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		554
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	555	# we seemingly have to make a local copy of the whole thing,
361	and return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
362		558
363	# always fsync - this file is important	559	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	560	reset_signals;
365	and return;	561	&$cb
		562	}, @args;
366		563
367	close $fh	564	wantarray ? @res : $res[-1]
368	or return;	565	}
369		566
370	aio_rename "$runtime~", $runtime	567	=item $coin = coin_from_name $name
371	and return;
372		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
		593
		594	=item $value = cf::db_get $family => $key
		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
		626
		627	our $DB;
		628
		629	sub db_init {
		630	cf::sync_job {
		631	$DB ||= db_table "db";
		632	};
		633	}
		634
		635	sub db_get($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
373	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
374	}	719	}
375		720
376	=item cf::datalog type => key => value, ...	721	=item cf::datalog type => key => value, ...
377		722
378	Log a datalog packet of the given type with the given key-value pairs.	723	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		735
391	#############################################################################	736	#############################################################################
392		737
393	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
394		739
395	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
398		743
399	In the following description, CLASS can be any of C<global>, C<object>	744	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	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	746	Deliantra).
402		747
403	=over 4	748	=over 4
404		749
405	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
406		751
…		…
450	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
451		796
452	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
454		799
455	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
457		802
458	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
459		804
460	=over 4	805	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
570		915
571	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		920
576	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	922	my $pkg = shift @arg;
578		923
579	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
609	}	954	}
610		955
611	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
612	} else {	957	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	959	}
615		960
616	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
617	}	962	}
618		963
…		…
620	if (ref $_[0]) {	965	if (ref $_[0]) {
621	_object_attach @_;	966	_object_attach @_;
622	} else {	967	} else {
623	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
624	}	969	}
		970	_recalc_want;
625	};	971	};
626		972
627	# all those should be optimised	973	# all those should be optimised
628	sub cf::attachable::detach {	974	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
633	reattach ($obj);	979	reattach ($obj);
634	} else {	980	} else {
635	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
636	}	982	}
		983	_recalc_want;
637	};	984	};
638		985
639	sub cf::attachable::attached {	986	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
641		988
…		…
656	";	1003	";
657	die if $@;	1004	die if $@;
658	}	1005	}
659		1006
660	our $override;	1007	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1009
663	sub override {	1010	sub override {
664	$override = 1;	1011	$override = 1;
665	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
666	}	1013	}
667		1014
668	sub do_invoke {	1015	sub do_invoke {
669	my $event = shift;	1016	my $event = shift;
670	my $callbacks = shift;	1017	my $callbacks = shift;
671		1018
672	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
673		1020
674	local $override;	1021	local $override;
675		1022
676	for (@$callbacks) {	1023	for (@$callbacks) {
677	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
686	}	1033	}
687		1034
688	0	1035	0
689	}	1036	}
690		1037
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1039
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1041
695	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
696		1043
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	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	1045	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1047
701	=back	1048	=back
702		1049
703	=cut	1050	=cut
704		1051
705	#############################################################################	1052	#############################################################################
706	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
707		1096
708	sub reattach {	1097	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1099	my ($obj) = @_;
711		1100
		1101	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1103
714	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
715		1105
716	@$registry = ();	1106	@$registry = ();
717		1107
…		…
732	cf::attachable->attach (	1122	cf::attachable->attach (
733	prio => -1000000,	1123	prio => -1000000,
734	on_instantiate => sub {	1124	on_instantiate => sub {
735	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
736		1126
737	$data = from_json $data;	1127	$data = decode_json $data;
738		1128
739	for (@$data) {	1129	for (@$data) {
740	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
741		1131
742	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1148	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
760		1150
761	sync_job {	1151	sync_job {
762	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
765		1156
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1162	aio_fsync $fh;
		1163	}
770	close $fh;	1164	aio_close $fh;
771		1165
772	if (@$objs) {	1166	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1173	aio_fsync $fh;
		1174	}
778	close $fh;	1175	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
780	}	1177	}
781	} else {	1178	} else {
782	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
783	}	1180	}
784		1181
785	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1186	} else {
787	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
788	}	1188	}
789	} else {	1189	} else {
790	aio_unlink $filename;	1190	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
792	}	1192	}
793	}	1193	};
794	}	1194	}
795		1195
796	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
798		1198
…		…
810	or return;	1210	or return;
811		1211
812	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
814	or return;	1214	or return;
		1215
815	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
816	}	1218	}
817		1219
		1220	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
820	return ($data, $av);	1224	($data, $av)
821	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
822		1232
823	#############################################################################	1233	#############################################################################
824	# command handling &c	1234	# command handling &c
825		1235
826	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1250	}
841		1251
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1253
844	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
845		1259
846	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
847	called.	1261	called.
848		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
849	=cut	1274	=cut
850		1275
851	sub register_extcmd {	1276	sub register_extcmd {
852	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
853		1278
854	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
855	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
856		1289
857	cf::player->attach (	1290	cf::player->attach (
858	on_command => sub {	1291	on_command => sub {
859	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
860		1293
…		…
868	cf::override;	1301	cf::override;
869	},	1302	},
870	on_extcmd => sub {	1303	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
872		1305
873	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1307
875	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
881	} else {	1323	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1325	}
884		1326
885	cf::override;	1327	cf::override;
886	},	1328	},
887	);	1329	);
888		1330
		1331	# "readahead" all extensions
889	sub load_extension {	1332	sub cache_extensions {
890	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
891		1334
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
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	}	1338	}
917	die $@;
918	}	1339	};
919		1340
920	push @EXTS, $pkg;	1341	$grp
921	}	1342	}
922		1343
923	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
924	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1349	next unless -r $path;
926	eval {	1350
927	load_extension $ext;	1351	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1352	my $base = $1;
		1353	my $pkg = $1;
		1354	$pkg =~ s/[^[:word:]]/_/g;
		1355	$pkg = "ext::$pkg";
		1356
		1357	open my $fh, "<:utf8", $path
		1358	or die "$path: $!";
		1359
		1360	my $source = do { local $/; <$fh> };
		1361
		1362	my %ext = (
		1363	path => $path,
		1364	base => $base,
		1365	pkg => $pkg,
		1366	);
		1367
		1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1370
		1371	$ext{source} =
		1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1373	. "#line 1 \"$path\"\n{\n"
		1374	. $source
		1375	. "\n};\n1";
		1376
		1377	$todo{$base} = \%ext;
		1378	}
		1379
		1380	my %done;
		1381	while (%todo) {
		1382	my $progress;
		1383
		1384	while (my ($k, $v) = each %todo) {
		1385	for (split /,\s*/, $v->{meta}{depends}) {
		1386	goto skip
		1387	unless exists $done{$_};
		1388	}
		1389
		1390	warn "... loading '$k' into '$v->{pkg}'\n";
		1391
		1392	unless (eval $v->{source}) {
		1393	my $msg = $@ ? "$v->{path}: $@\n"
		1394	: "$v->{base}: extension inactive.\n";
		1395
		1396	if (exists $v->{meta}{mandatory}) {
		1397	warn $msg;
		1398	cf::cleanup "mandatory extension failed to load, exiting.";
		1399	}
		1400
		1401	warn $msg;
		1402	}
		1403
		1404	$done{$k} = delete $todo{$k};
		1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
928	1	1407	}
929	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
930	}	1413	};
931	}	1414	}
932		1415
933	#############################################################################	1416	#############################################################################
934		1417
		1418	=back
		1419
935	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
936		1421
937	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
938		1423
939	=cut	1424	=cut
940		1425
941	package cf::player;	1426	package cf::player;
942		1427
…		…
944		1429
945	=head3 cf::player	1430	=head3 cf::player
946		1431
947	=over 4	1432	=over 4
948		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
		1447
949	=item cf::player::find $login	1448	=item cf::player::find $login
950		1449
951	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
952		1451
953	=cut	1452	=cut
954		1453
955	sub playerdir($) {	1454	sub playerdir($) {
956	cf::localdir	1455	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1457	}
962		1458
963	sub path($) {	1459	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1470
975	sub exists($) {	1471	sub exists($) {
976	my ($login) = @_;	1472	my ($login) = @_;
977		1473
978	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
980	}	1476	}
981		1477
982	sub find($) {	1478	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1480	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
995		1491
996	my $pl = load_pl path $login	1492	my $f = new_from_file cf::object::thawer path $login
997	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
999	}	1501	}
1000	}	1502	}
1001	}	1503	}
1002		1504
…		…
1011	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1012		1514
1013	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1015		1517
		1518	cf::get_slot 0.01;
		1519
1016	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1017	Coro::cede;	1521	cf::cede_to_tick;
1018	}	1522	}
1019		1523
1020	sub new($) {	1524	sub new($) {
1021	my ($login) = @_;	1525	my ($login) = @_;
1022		1526
…		…
1028	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1029		1533
1030	$self	1534	$self
1031	}	1535	}
1032		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1033	=item $pl->quit_character	1547	=item $pl->quit_character
1034		1548
1035	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1037		1551
…		…
1041	my ($pl) = @_;	1555	my ($pl) = @_;
1042		1556
1043	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1044		1558
1045	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1561
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1052		1568
1053	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1085		1601
1086	=cut	1602	=cut
1087		1603
1088	sub list_logins {	1604	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1606	or return [];
1091		1607
1092	my @logins;	1608	my @logins;
1093		1609
1094	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1098		1620
1099	utf8::decode $login;	1621	utf8::decode $login;
1100	push @logins, $login;	1622	push @logins, $login;
1101	}	1623	}
1102		1624
…		…
1129	}	1651	}
1130		1652
1131	\@paths	1653	\@paths
1132	}	1654	}
1133		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1134	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1135		1661
1136	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1137		1663
1138	=cut	1664	=cut
1139		1665
1140	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1142		1668
1143	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1670	}
1147		1671
1148	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1149		1673
1150	Sends an ext event to the client.	1674	Sends an ext event to the client.
1151		1675
1152	=cut	1676	=cut
1153		1677
1154	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1156		1680
1157	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1158	}	1682	}
1159		1683
1160	=head3 cf::region	1684	=head3 cf::region
1161		1685
1162	=over 4	1686	=over 4
…		…
1165		1689
1166	package cf::region;	1690	package cf::region;
1167		1691
1168	=item cf::region::find_by_path $path	1692	=item cf::region::find_by_path $path
1169		1693
1170	Tries to decuce the probable region for a map knowing only its path.	1694	Tries to decuce the likely region for a map knowing only its path.
1171		1695
1172	=cut	1696	=cut
1173		1697
1174	sub find_by_path($) {	1698	sub find_by_path($) {
1175	my ($path) = @_;	1699	my ($path) = @_;
1176		1700
1177	my ($match, $specificity);	1701	my ($match, $specificity);
1178		1702
1179	for my $region (list) {	1703	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1704	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1705	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1706	if $region->specificity > $specificity;
1183	}	1707	}
1184	}	1708	}
1185		1709
…		…
1206	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1208		1732
1209	sub generate_random_map {	1733	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1211	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1739	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1250		1777
1251	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1252	local $self->{path};	1779	local $self->{path};
1253	local $self->{load_path};	1780	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1781
1257	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1258	}	1783	}
1259		1784
1260	sub normalise {	1785	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1308	return $self;	1833	return $self;
1309	}	1834	}
1310	}	1835	}
1311		1836
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1838	()
1314	}	1839	}
1315		1840
1316	sub init {	1841	sub init {
1317	my ($self) = @_;	1842	my ($self) = @_;
…		…
1332		1857
1333	# the original (read-only) location	1858	# the original (read-only) location
1334	sub load_path {	1859	sub load_path {
1335	my ($self) = @_;	1860	my ($self) = @_;
1336		1861
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1338	}	1863	}
1339		1864
1340	# the temporary/swap location	1865	# the temporary/swap location
1341	sub save_path {	1866	sub save_path {
1342	my ($self) = @_;	1867	my ($self) = @_;
1343		1868
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1346	}	1871	}
1347		1872
1348	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1349	sub uniq_path {	1874	sub uniq_path {
1350	my ($self) = @_;	1875	my ($self) = @_;
1351		1876
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1354	}	1879	}
1355		1880
1356	# and all this just because we cannot iterate over	1881	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1882	my ($self) = @_;
1360		1883
1361	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1363	}	1887	}
1364		1888
1365	sub unlink_save {	1889	sub unlink_save {
1366	my ($self) = @_;	1890	my ($self) = @_;
1367		1891
…		…
1372		1896
1373	sub load_header_from($) {	1897	sub load_header_from($) {
1374	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1375		1899
1376	utf8::encode $path;	1900	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1382		1909
1383	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1384		1911
1385	1	1912	1
1386	}	1913	}
…		…
1425	$self->load_header_orig	1952	$self->load_header_orig
1426	or return;	1953	or return;
1427	$self->prepare_orig;	1954	$self->prepare_orig;
1428	}	1955	}
1429		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1430	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1961	unless $self->default_region;
1432		1962
1433	1	1963	1
1434	}	1964	}
…		…
1437	sub find {	1967	sub find {
1438	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1439		1969
1440	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1441		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1443		1974
1444	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1447	or return;	1977	or return;
1448		1978
1449	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1450		1980
1451	$map->load_header	1981	$map->load_header
1452	or return;	1982	or return;
1453		1983
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1457	$map->reset;	1989	$map->reset;
1458	undef $guard;
1459	return find $path;	1990	return find $path;
1460	}	1991	}
1461		1992
1462	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1463	}	1994	}
…		…
1470	my ($self) = @_;	2001	my ($self) = @_;
1471		2002
1472	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1473		2004
1474	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1476		2009
		2010	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2012
1479	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1480		2014
1481	$self->alloc;	2015	$self->alloc;
1482		2016
1483	$self->pre_load;	2017	$self->pre_load;
1484	Coro::cede;	2018	cf::cede_to_tick;
1485		2019
1486	$self->_load_objects ($self->{load_path}, 1)	2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
		2022	$self->_load_objects ($f)
1487	or return;	2023	or return;
1488		2024
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1490	if delete $self->{load_original};	2026	if delete $self->{load_original};
1491		2027
1492	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2029	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2032	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1497	}	2036	}
1498	}	2037	}
1499		2038
1500	Coro::cede;	2039	$f->resolve_delayed_derefs;
		2040
		2041	cf::cede_to_tick;
1501	# now do the right thing for maps	2042	# now do the right thing for maps
1502	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	2044	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2045	unless $self->difficulty;
1513	Coro::cede;	2046	cf::cede_to_tick;
		2047
		2048	unless ($self->{deny_activate}) {
		2049	$self->decay_objects;
		2050	$self->fix_auto_apply;
		2051	$self->update_buttons;
		2052	cf::cede_to_tick;
1514	$self->activate;	2053	$self->activate;
1515	Coro::cede;	2054	}
		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
		2059	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2060	}
1517		2061
1518	$self->post_load;	2062	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2063	}
1523		2064
1524	sub customise_for {	2065	sub customise_for {
1525	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1526		2067
1527	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2069	if $self->per_player;
1529		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1530	$self	2074	$self
1531	}	2075	}
1532		2076
1533	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2078	sub load_neighbours {
1535	my ($map) = @_;	2079	my ($map) = @_;
1536		2080
1537	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1538		2082
1539	for (0 .. 3) {	2083	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1541	or next;	2085	or next;
1542	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1543	or next;	2087	or next;
1544	$neigh->load;	2088	$neigh->load;
1545		2089
		2090	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2093	}
1549		2094
1550	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1552	or next;	2098	or next;
1553	$neigh->load;	2099	$neigh->load;
1554	}	2100	}
1555	}	2101	}
1556		2102
…		…
1561	}	2107	}
1562		2108
1563	sub do_load_sync {	2109	sub do_load_sync {
1564	my ($map) = @_;	2110	my ($map) = @_;
1565		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1566	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1567	}	2116	}
1568		2117
1569	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1571		2120
1572	sub find_async {	2121	sub find_async {
1573	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1574		2123
1575	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1576		2125
1577	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2128	}
1580		2129
1581	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1582	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1583	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2137	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2138	$map->load if $v;
		2139	}
1588		2140
1589	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1590	}	2142	}
1591	}	2143	}
1592	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1593	};	2145	};
1594	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2149	}
1598		2150
1599	sub save {	2151	sub save {
1600	my ($self) = @_;	2152	my ($self) = @_;
1601		2153
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2155
1604	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1605		2157
1606	return unless $self->dirty;	2158	return unless $self->dirty;
1607		2159
…		…
1613	return if $self->{deny_save};	2165	return if $self->{deny_save};
1614		2166
1615	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1616		2168
1617	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1619	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1620		2175
1621	if ($uniq) {	2176	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2179	} else {
…		…
1630	my ($self) = @_;	2185	my ($self) = @_;
1631		2186
1632	# save first because save cedes	2187	# save first because save cedes
1633	$self->save;	2188	$self->save;
1634		2189
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2191
1637	return if $self->players;	2192	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2194	return if $self->{deny_save};
1640		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2200	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2201	}
1644		2202
1645	sub reset_at {	2203	sub reset_at {
1646	my ($self) = @_;	2204	my ($self) = @_;
1647		2205
1648	# TODO: safety, remove and allow resettable per-player maps	2206	# 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};	2207	return 1e99 if $self->{deny_reset};
1651		2208
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2211
…		…
1665	my ($self) = @_;	2222	my ($self) = @_;
1666		2223
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2225
1669	return if $self->players;	2226	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2227
1672	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
1673		2229
1674	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1675		2231
1676	# need to save uniques path	2232	# need to save uniques path
1677	unless ($self->{deny_save}) {	2233	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2237	if $uniq;
1682	}	2238	}
1683		2239
1684	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1685		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2244	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2245
1690	$self->unlink_save;	2246	$self->unlink_save;
1691	$self->destroy;	2247	$self->destroy;
1692	}	2248	}
1693		2249
1694	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1695		2251
1696	sub nuke {	2252	sub nuke {
1697	my ($self) = @_;	2253	my ($self) = @_;
1698		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1699	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1700		2259
1701	$self->unlink_save;	2260	$self->unlink_save;
1702		2261
1703	bless $self, "cf::map";	2262	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2267
1709	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1710		2270
1711	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
		2272	}
		2273
		2274	=item $maps = cf::map::tmp_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
		2290	}
		2291
		2292	=item $maps = cf::map::random_maps
		2293
		2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	random maps. May block.
		2296
		2297	=cut
		2298
		2299	sub random_maps() {
		2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise "?random/$_"
		2305	: ()
		2306	} @{ aio_readdir $RANDOMDIR or [] }
		2307	]
1712	}	2308	}
1713		2309
1714	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1715		2311
1716	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2313	instantiated unique items. May block.
1718		2314
1719	=cut	2315	=cut
1720		2316
1721	sub unique_maps() {	2317	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1723	or return;	2319	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2320	utf8::decode $_;
1729	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2323	? ()
1732	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2326	]
1734
1735	\@paths
1736	}	2327	}
1737
1738	package cf;
1739		2328
1740	=back	2329	=back
1741		2330
1742	=head3 cf::object	2331	=head3 cf::object
1743		2332
…		…
1747		2336
1748	=over 4	2337	=over 4
1749		2338
1750	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1751		2340
1752	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
1753		2343
1754	=cut	2344	=cut
1755		2345
1756	sub inv_recursive_;	2346	sub inv_recursive_;
1757	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1760		2350
1761	sub inv_recursive {	2351	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1763	}	2353	}
1764		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
1765	package cf;	2383	package cf;
1766		2384
1767	=back	2385	=back
1768		2386
1769	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1778		2396
1779	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
1780		2412
1781	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2414	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1786		2418
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2420
1789	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1791	} else {	2424	} else {
		2425	my $pl = $self->contr;
		2426
		2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2428	my $dialog = $pl->{npc_dialog};
		2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2430
		2431	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1794	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
1795	}	2446	}
1796		2447
1797	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1798		2449
1799	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1812		2463
1813	=item $player_object->enter_link	2464	=item $player_object->enter_link
1814		2465
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2467
1817	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
1819		2472
1820	Will never block.	2473	Will never block.
1821		2474
1822	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1823		2476
…		…
1846	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1847		2500
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2502
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1852		2505
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2507	}
1855		2508
1856	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1858		2513
1859	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1860		2515
1861	unless ($map) {	2516	unless ($map) {
1862	# restore original map position	2517	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1879		2534
1880	$map->load;	2535	$map->load;
1881	$map->load_diag;	2536	$map->load_neighbours;
1882		2537
1883	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2540	$self->activate_recursive;
1885		2541
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1888	}	2544	}
1889		2545
1890	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2547
1894	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1898	};	2552	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2553
1904	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1906	if ($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		2556
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1925		2560
1926	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2562	my ($self, $path, $x, $y, $check, $done) = @_;
		2563
		2564	# do generation counting so two concurrent goto's will be executed in-order
		2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2566
1929	$self->enter_link;	2567	$self->enter_link;
1930		2568
1931	(async {	2569	(async {
		2570	$Coro::current->{desc} = "player::goto $path $x $y";
		2571
		2572	# *tag paths override both path and x|y
		2573	if ($path =~ /^\*(.*)$/) {
		2574	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2575	my $ob = $obs[rand @obs];
		2576
		2577	# see if we actually can go there
		2578	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2579	$ob = $obs[rand @obs];
		2580	} else {
		2581	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583	# else put us there anyways for now #d#
		2584
		2585	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2586	} else {
		2587	($path, $x, $y) = (undef, undef, undef);
		2588	}
		2589	}
		2590
1932	my $map = eval {	2591	my $map = eval {
1933	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
		2593
		2594	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2595	$map = $map->customise_for ($self);
		2596	$map = $check->($map) if $check && $map;
		2597	} else {
		2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600
1935	$map	2601	$map
		2602	};
		2603
		2604	if ($@) {
		2605	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2607	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2608
		2609	if ($gen == $self->{_goto_generation}) {
		2610	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1940	})->prio (1);	2615	})->prio (1);
1941	}	2616	}
1942		2617
1943	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1944		2619
…		…
1964	}	2639	}
1965		2640
1966	sub prepare_random_map {	2641	sub prepare_random_map {
1967	my ($exit) = @_;	2642	my ($exit) = @_;
1968		2643
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2646	# that depends on the exit object
1974		2647
1975	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2650	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
1982	}	2657	}
1983		2658
1984	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
1985		2660
1986	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
1989		2664
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2667	undef $fh;
1993	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
1994		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
1997	}	2676	}
1998	}	2677	}
1999		2678
2000	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
2002		2681
2003	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
2004		2683
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2684	$self->enter_link;
2017		2685
2018	(async {	2686	(async {
2019	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
2020	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
		2696	prepare_random_map $exit
		2697	if $exit->slaying eq "/!";
		2698	}
		2699
		2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
		2703
2021	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
2022		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
2023	1;	2710	1
2024	}) {	2711	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2716
2030	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2049		2736
2050	utf8::encode $text;	2737	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2738	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2739	}
2053		2740
		2741	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2742
		2743	Send a drawinfo or msg packet to the client, formatting the msg for the
		2744	client if neccessary. C<$type> should be a string identifying the type of
		2745	the message, with C<log> being the default. If C<$color> is negative, suppress
		2746	the message unless the client supports the msg packet.
		2747
		2748	=cut
		2749
		2750	# non-persistent channels (usually the info channel)
		2751	our %CHANNEL = (
		2752	"c/identify" => {
		2753	id => "infobox",
		2754	title => "Identify",
		2755	reply => undef,
		2756	tooltip => "Items recently identified",
		2757	},
		2758	"c/examine" => {
		2759	id => "infobox",
		2760	title => "Examine",
		2761	reply => undef,
		2762	tooltip => "Signs and other items you examined",
		2763	},
		2764	"c/book" => {
		2765	id => "infobox",
		2766	title => "Book",
		2767	reply => undef,
		2768	tooltip => "The contents of a note or book",
		2769	},
		2770	"c/lookat" => {
		2771	id => "infobox",
		2772	title => "Look",
		2773	reply => undef,
		2774	tooltip => "What you saw there",
		2775	},
		2776	"c/who" => {
		2777	id => "infobox",
		2778	title => "Players",
		2779	reply => undef,
		2780	tooltip => "Shows players who are currently online",
		2781	},
		2782	"c/body" => {
		2783	id => "infobox",
		2784	title => "Body Parts",
		2785	reply => undef,
		2786	tooltip => "Shows which body parts you posess and are available",
		2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
		2824	"c/uptime" => {
		2825	id => "infobox",
		2826	title => "Uptime",
		2827	reply => undef,
		2828	tooltip => "How long the server has been running since last restart",
		2829	},
		2830	"c/mapinfo" => {
		2831	id => "infobox",
		2832	title => "Map Info",
		2833	reply => undef,
		2834	tooltip => "Information related to the maps",
		2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
		2850	);
		2851
		2852	sub cf::client::send_msg {
		2853	my ($self, $channel, $msg, $color, @extra) = @_;
		2854
		2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
		2857
		2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
		2867	} elsif (ref $channel) {
		2868	# send meta info to client, if not yet sent
		2869	unless (exists $self->{channel}{$channel->{id}}) {
		2870	$self->{channel}{$channel->{id}} = $channel;
		2871	$self->ext_msg (channel_info => $channel);
		2872	}
		2873
		2874	$channel = $channel->{id};
		2875	}
		2876
		2877	return unless @extra || length $msg;
		2878
		2879	# default colour, mask it out
		2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2881	if $color & cf::NDI_DEF;
		2882
		2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
		2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2886	);
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if (8192 < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
2054	=item $client->ext_event ($type, %msg)	2901	=item $client->ext_msg ($type, @msg)
2055		2902
2056	Sends an exti event to the client.	2903	Sends an ext event to the client.
2057		2904
2058	=cut	2905	=cut
2059		2906
2060	sub cf::client::ext_event($$%) {	2907	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2908	my ($self, $type, @msg) = @_;
2062		2909
		2910	if ($self->extcmd == 2) {
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2913	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2914	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2915	}
		2916	}
		2917
		2918	=item $client->ext_reply ($msgid, @msg)
		2919
		2920	Sends an ext reply to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_reply($$@) {
		2925	my ($self, $id, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2929	} elsif ($self->extcmd == 1) {
		2930	#TODO: version 1, remove
		2931	unshift @msg, msgtype => "reply", msgid => $id;
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
2065	}	2934	}
2066		2935
2067	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
2068		2937
2069	Queues a query to the client, calling the given callback with	2938	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>,	2939	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>.	2940	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2941
2073	Queries can fail, so check the return code. Or don't, as queries will become	2942	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2943	become reliable at some point in the future.
2075		2944
2076	=cut	2945	=cut
2077		2946
2078	sub cf::client::query {	2947	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2956	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2958
2090	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
2092	}	2963	}
2093		2964
2094	cf::client->attach (	2965	cf::client->attach (
		2966	on_connect => sub {
		2967	my ($ns) = @_;
		2968
		2969	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2970	},
2095	on_reply => sub {	2971	on_reply => sub {
2096	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
2097		2973
2098	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
2099	# get handled first	2975	# get handled first
…		…
2111	} else {	2987	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2989	}
2114	}	2990	}
2115	},	2991	},
		2992	on_exticmd => sub {
		2993	my ($ns, $buf) = @_;
		2994
		2995	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2996
		2997	if (ref $msg) {
		2998	my ($type, $reply, @payload) =
		2999	"ARRAY" eq ref $msg
		3000	? @$msg
		3001	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3002
		3003	my @reply;
		3004
		3005	if (my $cb = $EXTICMD{$type}) {
		3006	@reply = $cb->($ns, @payload);
		3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
		3012	} else {
		3013	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3014	}
		3015
		3016	cf::override;
		3017	},
2116	);	3018	);
2117		3019
2118	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
2119		3021
2120	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2163		3065
2164	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2165		3067
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
2167		3073
2168	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2169		3075
2170	=pod	3076	=pod
2171		3077
2172	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2173		3079
2174	cf::object contr pay_amount pay_player map	3080	cf::object
		3081	contr pay_amount pay_player map x y force_find force_add destroy
		3082	insert remove name archname title slaying race decrease split
		3083	value
		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 nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2186	) {	3103	) {
2187	no strict 'refs';	3104	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2206	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2207		3124
2208	my $qcode = $code;	3125	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2211		3130
2212	local $_;	3131	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2214		3133
2215	my $eval =	3134	my $eval =
…		…
2258	=back	3177	=back
2259		3178
2260	=cut	3179	=cut
2261		3180
2262	#############################################################################	3181	#############################################################################
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	3182	# the server's init and main functions
2336		3183
2337	sub load_facedata {	3184	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3185	my ($path) = @_;
		3186
		3187	# HACK to clear player env face cache, we need some signal framework
		3188	# for this (global event?)
		3189	%ext::player_env::MUSIC_FACE_CACHE = ();
		3190
		3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3192
2340	warn "loading facedata from $path\n";	3193	warn "loading facedata from $path\n";
2341		3194
2342	my $facedata;	3195	my $facedata;
2343	0 < aio_load $path, $facedata	3196	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3199	$facedata = Coro::Storable::thaw $facedata;
2347		3200
2348	$facedata->{version} == 2	3201	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3203
		3204	# patch in the exptable
		3205	$facedata->{resource}{"res/exp_table"} = {
		3206	type => FT_RSRC,
		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3208	};
		3209	cf::cede_to_tick;
		3210
2351	{	3211	{
2352	my $faces = $facedata->{faceinfo};	3212	my $faces = $facedata->{faceinfo};
2353		3213
2354	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3216
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3217	cf::face::set_visibility $idx, $info->{visibility};
		3218	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3221
		3222	cf::cede_to_tick;
2360	}	3223	}
2361		3224
2362	while (my ($face, $info) = each %$faces) {	3225	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3226	next unless $info->{smooth};
		3227
2364	my $idx = cf::face::find $face	3228	my $idx = cf::face::find $face
2365	or next;	3229	or next;
		3230
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3231	if (my $smooth = cf::face::find $info->{smooth}) {
		3232	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3234	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3236	}
2371	Coro::cede;	3237
		3238	cf::cede_to_tick;
2372	}	3239	}
2373	}	3240	}
2374		3241
2375	{	3242	{
2376	my $anims = $facedata->{animinfo};	3243	my $anims = $facedata->{animinfo};
2377		3244
2378	while (my ($anim, $info) = each %$anims) {	3245	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3246	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3247	cf::cede_to_tick;
2381	}	3248	}
2382		3249
2383	cf::anim::invalidate_all; # d'oh	3250	cf::anim::invalidate_all; # d'oh
2384	}	3251	}
2385		3252
		3253	{
		3254	# TODO: for gcfclient pleasure, we should give resources
		3255	# that gcfclient doesn't grok a >10000 face index.
		3256	my $res = $facedata->{resource};
		3257
		3258	while (my ($name, $info) = each %$res) {
		3259	if (defined $info->{type}) {
		3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
		3262
		3263	if ($info->{type} & 1) {
		3264	# prepend meta info
		3265
		3266	my $meta = $enc->encode ({
		3267	name => $name,
		3268	%{ $info->{meta} || {} },
		3269	});
		3270
		3271	$data = pack "(w/a*)*", $meta, $info->{data};
		3272	} else {
		3273	$data = $info->{data};
		3274	}
		3275
		3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
		3278	} else {
		3279	$RESOURCE{$name} = $info;
		3280	}
		3281
		3282	cf::cede_to_tick;
		3283	}
		3284	}
		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3287
2386	1	3288	1
2387	}	3289	}
2388		3290
		3291	cf::global->attach (on_resource_update => sub {
		3292	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3293	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3294
		3295	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3296	my $sound = $soundconf->{compat}[$_]
		3297	or next;
		3298
		3299	my $face = cf::face::find "sound/$sound->[1]";
		3300	cf::sound::set $sound->[0] => $face;
		3301	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3302	}
		3303
		3304	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3305	my $face = cf::face::find "sound/$v";
		3306	cf::sound::set $k => $face;
		3307	}
		3308	}
		3309	});
		3310
		3311	register_exticmd fx_want => sub {
		3312	my ($ns, $want) = @_;
		3313
		3314	while (my ($k, $v) = each %$want) {
		3315	$ns->fx_want ($k, $v);
		3316	}
		3317	};
		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
		3328
		3329	sub reload_regions {
		3330	# HACK to clear player env face cache, we need some signal framework
		3331	# for this (global event?)
		3332	%ext::player_env::MUSIC_FACE_CACHE = ();
		3333
		3334	load_resource_file "$MAPDIR/regions"
		3335	or die "unable to load regions file\n";
		3336
		3337	for (cf::region::list) {
		3338	$_->{match} = qr/$_->{match}/
		3339	if exists $_->{match};
		3340	}
		3341	}
		3342
		3343	sub reload_facedata {
		3344	load_facedata "$DATADIR/facedata"
		3345	or die "unable to load facedata\n";
		3346	}
		3347
2389	sub load_archetypes {	3348	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3349	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3350	or die "unable to load archetypes\n";
2392	}	3351	}
2393		3352
2394	sub load_treasures {	3353	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3354	load_resource_file "$DATADIR/treasures"
		3355	or die "unable to load treasurelists\n";
2396	}	3356	}
2397		3357
2398	sub reload_resources {	3358	sub reload_resources {
2399	warn "reloading resource files...\n";	3359	warn "reloading resource files...\n";
2400		3360
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402	or die "unable to load regions file\n";
2403	load_facedata	3361	reload_facedata;
2404	or die "unable to load facedata\n";
2405	load_archetypes	3362	reload_archetypes;
2406	or die "unable to load archetypes\n";	3363	reload_regions;
2407	load_treasures	3364	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3365
2410	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
2411	}	3367	}
2412		3368
2413	sub init {	3369	sub reload_config {
2414	reload_resources;
2415	}
2416
2417	sub cfg_load {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3371	or return;
2420		3372
2421	local $/;	3373	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2423		3375
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425		3377
2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3378	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3379	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2433	};	3385	};
2434	warn $@ if $@;	3386	warn $@ if $@;
2435	}	3387	}
2436	}	3388	}
2437		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
2438	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
2439	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442	(async {	3436	(async {
2443	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2445	};	3440	};
2446		3441
2447	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
2448	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
2449	load_extensions;	3460	load_extensions;
2450		3461
2451	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2452	Event::loop;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
		3468	};
		3469
		3470	main_loop;
2453	}	3471	}
2454		3472
2455	#############################################################################	3473	#############################################################################
2456	# initialisation and cleanup	3474	# initialisation and cleanup
2457		3475
2458	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2459	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
2468	},
2469	);	3482	};
		3483	}
		3484	}
		3485
		3486	sub write_runtime_sync {
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2470	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
		3544	$uuid_skip = 0;
		3545
		3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3547	and return;
		3548
		3549	# always fsync - this file is important
		3550	aio_fsync $fh
		3551	and return;
		3552
		3553	close $fh
		3554	or return;
		3555
		3556	aio_rename "$uuid~", $uuid
		3557	and return;
		3558
		3559	warn "uuid file written ($value).\n";
		3560
		3561	1
		3562
		3563	}
		3564
		3565	sub write_uuid($$) {
		3566	my ($skip, $sync) = @_;
		3567
		3568	$sync ? write_uuid_sync $skip
		3569	: async { write_uuid_sync $skip };
2471	}	3570	}
2472		3571
2473	sub emergency_save() {	3572	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
2475		3574
2476	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
2477		3576
2478	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
2479	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
2480	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
2481	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
2483	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3591	$pl->save;
2487	}	3592	}
2488	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
2489		3594
2490	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
2491	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
2492	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
2493	$map->valid or next;	3598	$map->valid or next;
2494	$map->save;	3599	$map->save;
2495	}	3600	}
2496	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
2497		3602
2498	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2500	warn "end emergency database checkpoint\n";	3605	warn "emergency_perl_save: end database checkpoint\n";
		3606
		3607	warn "emergency_perl_save: begin write uuid\n";
		3608	write_uuid_sync 1;
		3609	warn "emergency_perl_save: end write uuid\n";
2501	};	3610	};
2502		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
2503	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
2504	}	3618	}
2505		3619
2506	sub post_cleanup {	3620	sub post_cleanup {
2507	my ($make_core) = @_;	3621	my ($make_core) = @_;
2508		3622
2509	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3624	if $make_core;
2511	}
2512		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
		3654	}
		3655
2513	sub reload() {	3656	sub do_reload_perl() {
2514	# can/must only be called in main	3657	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
2516	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
2517	return;	3660	return;
2518	}	3661	}
2519		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
2520	warn "reloading...";	3668	warn "reloading...";
2521		3669
2522	warn "entering sync_job";	3670	warn "entering sync_job";
2523		3671
2524	cf::sync_job {	3672	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
2526	cf::emergency_save;	3674	cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
2528		3676
2529	warn "syncing database to disk";	3677	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
2531		3679
2532	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
2533		3681
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
2545	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();
2553
2554	warn "removing commands";
2555	%COMMAND = ();
2556
2557	warn "removing ext commands";
2558	%EXTCMD = ();
2559
2560	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";
2563
2564	if (my $cb = $pkg->can ("unload")) {
2565	eval {
2566	$cb->($pkg);
2567	1
2568	} or warn "$pkg unloaded, but with errors: $@";
2569	}	3685	}
2570		3686
2571	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
2572	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
2573	}	3689	%EXT_CORO = ();
2574		3690
2575	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
2576	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
2579	warn "... unloading $k";	3700	warn "... unloading $pkg";
2580	delete $INC{$k};
2581		3701
2582	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;
2584
2585	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
2586	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
2587	}	3711	}
2588		3712
2589	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
2590	}	3728	}
2591		3729
2592	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		3733
2596	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
		3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2598		3737
2599	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3739	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
2602		3741
2603	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
2604		3743
2605	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
2606	require cf;	3745	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608		3747
2609	warn "loading config and database again";	3748	warn "loading config and database again";
2610	cf::cfg_load;	3749	cf::reload_config;
2611		3750
2612	warn "loading extensions";	3751	warn "loading extensions";
2613	cf::load_extensions;	3752	cf::load_extensions;
2614		3753
		3754	if ($REATTACH_ON_RELOAD) {
2615	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
2621		3762
2622	warn "loading reloadable resources";	3763	warn "running post_init jobs";
2623	reload_resources;	3764	(pop @POST_INIT)->(1) while @POST_INIT;
2624		3765
2625	warn "leaving sync_job";	3766	warn "leaving sync_job";
2626		3767
2627	1	3768	1
2628	} or do {	3769	} or do {
2629	warn $@;	3770	warn $@;
2630	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
2631	exit 1;	3772	};
		3773
		3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
		3780	};
		3781
		3782	our $RELOAD_WATCHER; # used only during reload
		3783
		3784	sub reload_perl() {
		3785	# doing reload synchronously and two reloads happen back-to-back,
		3786	# coro crashes during coro_state_free->destroy here.
		3787
		3788	$RELOAD_WATCHER ||= cf::async {
		3789	Coro::AIO::aio_wait cache_extensions;
		3790
		3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3792	do_reload_perl;
		3793	undef $RELOAD_WATCHER;
		3794	};
2632	};	3795	};
2633		3796	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		3797
2639	register_command "reload" => sub {	3798	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
2641		3800
2642	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
2644		3803	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	3804	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	3805	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	3806	};
2657	}	3807	}
2658	};	3808	};
2659		3809
2660	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
2661		3811
…		…
2663		3813
2664	our @WAIT_FOR_TICK;	3814	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;	3815	our @WAIT_FOR_TICK_BEGIN;
2666		3816
2667	sub wait_for_tick {	3817	sub wait_for_tick {
2668	return unless $TICK_WATCHER->is_active;
2669	return if $Coro::current == $Coro::main;	3818	return if tick_inhibit || $Coro::current == $Coro::main;
2670		3819
2671	my $signal = new Coro::Signal;	3820	my $signal = new Coro::Signal;
2672	push @WAIT_FOR_TICK, $signal;	3821	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;	3822	$signal->wait;
2674	}	3823	}
2675		3824
2676	sub wait_for_tick_begin {	3825	sub wait_for_tick_begin {
2677	return unless $TICK_WATCHER->is_active;
2678	return if $Coro::current == $Coro::main;	3826	return if tick_inhibit || $Coro::current == $Coro::main;
2679		3827
2680	my $signal = new Coro::Signal;	3828	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	3829	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	3830	$signal->wait;
2683	}	3831	}
2684		3832
2685	$TICK_WATCHER = Event->timer (	3833	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
2695	return;	3837	return;
2696	}	3838	}
2697		3839
2698	$NOW = Event::time;
2699
2700	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
2701		3841
2702	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;
2704
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	3844	Coro::async_pool {
		3845	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	3846	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	3847	or warn "ERROR: unable to write runtime file: $!";
2710	};
2711	}	3848	};
		3849	}
2712		3850
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	3852	$sig->send;
2724	}	3853	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	3854	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	3855	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	3856	}
2731	);	3857
		3858	$LOAD = ($NOW - $TICK_START) / $TICK;
		3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3860
		3861	if (0) {
		3862	if ($NEXT_TICK) {
		3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
		3867	}
		3868	}
2732		3869
2733	{	3870	{
2734	BDB::max_poll_time $TICK * 0.1;	3871	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	3872
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
2744		3874	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	3875	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		3876
2760	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
2761	$DB_ENV = BDB::db_env_create;	3878	$DB_ENV = BDB::db_env_create;
		3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762		3884
2763	cf::sync_job {	3885	cf::sync_job {
2764	eval {	3886	eval {
2765	BDB::db_env_open	3887	BDB::db_env_open
2766	$DB_ENV,	3888	$DB_ENV,
2767	$BDB_ENV_DIR,	3889	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	3892	0666;
2771		3893
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3894	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	3895	};
2777		3896
2778	cf::cleanup "db_env_open(db): $@" if $@;	3897	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	3898	};
2780	}	3899	}
		3900
		3901	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3902	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3903	};
		3904	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3905	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3906	};
		3907	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3908	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3909	};
2781	}	3910	}
2782		3911
2783	{	3912	{
		3913	# configure IO::AIO
		3914
2784	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	3917	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	3918	}
		3919
		3920	my $_log_backtrace;
		3921
		3922	sub _log_backtrace {
		3923	my ($msg, @addr) = @_;
		3924
		3925	$msg =~ s/\n//;
		3926
		3927	# limit the # of concurrent backtraces
		3928	if ($_log_backtrace < 2) {
		3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
		3931	async {
		3932	$Coro::current->{desc} = "abt $msg";
		3933
		3934	my @bt = fork_call {
		3935	@addr = map { sprintf "%x", $_ } @addr;
		3936	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3937	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3938	or die "addr2line: $!";
		3939
		3940	my @funcs;
		3941	my @res = <$fh>;
		3942	chomp for @res;
		3943	while (@res) {
		3944	my ($func, $line) = splice @res, 0, 2, ();
		3945	push @funcs, "[$func] $line";
		3946	}
		3947
		3948	@funcs
		3949	};
		3950
		3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3953	LOG llevInfo, "[ABT] $_\n" for @bt;
		3954	--$_log_backtrace;
		3955	};
		3956	} else {
		3957	LOG llevInfo, "[ABT] $msg\n";
		3958	LOG llevInfo, "[ABT] [suppressed]\n";
		3959	}
		3960	}
		3961
		3962	# load additional modules
		3963	require "cf/$_.pm" for @EXTRA_MODULES;
2797		3964
2798	END { cf::emergency_save }	3965	END { cf::emergency_save }
2799		3966
2800	1	3967	1
2801		3968

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