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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 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 3.52 ();	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";
58		93
59	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	95	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	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;
		109
		110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
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
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		131
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $REALLY_UNLOOP; # never set to true, please :)
		144
87	binmode STDOUT;	145	binmode STDOUT;
88	binmode STDERR;	146	binmode STDERR;
89		147
90	# read virtual server time, if available	148	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
95	}	153	}
96		154
97	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
98	mkdir cf::localdir . "/" . cf::playerdir;	156
99	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
100	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		159
104	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
105		161
106	sub cf::map::normalise;	162	sub cf::map::normalise;
107		163
…		…
118	=item $cf::RUNTIME	174	=item $cf::RUNTIME
119		175
120	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
121	every server tick.	177	every server tick.
122		178
123	=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
124		182
125	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		187
128	=item $cf::NOW	188	=item $cf::NOW
129		189
130	The time of the last (current) server tick.	190	The time of the last (current) server tick.
131		191
132	=item $cf::TICK	192	=item $cf::TICK
133		193
134	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	206	=item %cf::CFG
137		207
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	209	from wherever your confdir points to.
140		210
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		212
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	214	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	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.
147		222
148	=back	223	=back
149		224
150	=cut	225	=cut
151		226
152	BEGIN {	227	BEGIN {
153	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	229	my $msg = join "", @_;
155	utf8::encode $msg;
156		230
157	$msg .= "\n"	231	$msg .= "\n"
158	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
159		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
160	LOG llevError, $msg;	236	LOG llevError, $msg;
161	};	237	};
162	}	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#?
163		254
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		262
171	# 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
172	# within the Safe compartment.	264	# within the Safe compartment.
173	for my $pkg (qw(	265	for my $pkg (qw(
174	cf::global cf::attachable	266	cf::global cf::attachable
175	cf::object cf::object::player	267	cf::object cf::object::player
176	cf::client cf::player	268	cf::client cf::player
177	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
178	cf::map cf::party cf::region	271	cf::party cf::region
179	)) {	272	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	274	}
183		275
184	$Event::DIED = sub {	276	$EV::DIED = sub {
185	warn "error in event callback: @_";	277	warn "error in event callback: @_";
186	};	278	};
		279
		280	#############################################################################
187		281
188	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
189		283
190	=over 4	284	=over 4
191		285
…		…
210	$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;
211	$d	305	$d
212	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
213	}	307	}
214		308
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
218		310
219	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
220		312
221	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
222		314
223	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
224		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
225	=item cf::lock_wait $string	338	=item cf::lock_wait $string
226		339
227	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
228		341
229	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
230		343
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
234	returned.	347	returned.
235		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
236	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
237	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
238		354
239	=cut	355	=item $locked = cf::lock_active $string
240		356
241	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
242		362
243	sub lock_wait($) {	363	sub lock_wait($) {
244	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	365	}
252		366
253	sub lock_acquire($) {	367	sub lock_acquire($) {
254	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
255		370
256	# wait, to be sure we are not locked	371	sub lock_active($) {
257	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	373	}
266		374
267	sub freeze_mainloop {	375	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
269		377
270	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
271	$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($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
272	};	439	}
273	$TICK_WATCHER->stop;	440	};
274	$guard	441
		442	sub get_slot($;$$) {
		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	$sig->wait;
275	}	454	}
276		455
277	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
278		457
279	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		463
285	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
286		465
287	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
288		467
289	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
292		472
293	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
296	fast or be very important.	476	fast or be very important.
…		…
299		479
300	sub sync_job(&) {	480	sub sync_job(&) {
301	my ($job) = @_;	481	my ($job) = @_;
302		482
303	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
304	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
306		488
307	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	490
309	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
310		492
311	my $busy = 1;	493	my $busy = 1;
312	my @res;	494	my @res;
313		495
314	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	498	@res = eval { $job->() };
316	warn $@ if $@;	499	warn $@ if $@;
317	undef $busy;	500	undef $busy;
318	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
319		502
320	while ($busy) {	503	while ($busy) {
321	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
322	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
323		514
324	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
325	} else {	516	} else {
326	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
327		518
…		…
347	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
348		539
349	$coro	540	$coro
350	}	541	}
351		542
352	sub write_runtime {	543	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		544
355	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.
356		549
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	550	=cut
358	or return;
359		551
360	my $value = $cf::RUNTIME + 90 + 10;	552	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	553	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		554
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	555	# we seemingly have to make a local copy of the whole thing,
365	and return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
366		558
367	# always fsync - this file is important	559	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	560	reset_signals;
369	and return;	561	&$cb
		562	}, @args;
370		563
371	close $fh	564	wantarray ? @res : $res[-1]
372	or return;	565	}
373		566
374	aio_rename "$runtime~", $runtime	567	=item $coin = coin_from_name $name
375	and return;
376		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		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($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
377	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		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"
378	}	719	}
379		720
380	=item cf::datalog type => key => value, ...	721	=item cf::datalog type => key => value, ...
381		722
382	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.
…		…
394		735
395	#############################################################################	736	#############################################################################
396		737
397	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
398		739
399	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
400	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")
401	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
402		743
403	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>
404	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
405	crossfire+).	746	Deliantra).
406		747
407	=over 4	748	=over 4
408		749
409	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
410		751
…		…
454	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
455		796
456	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
458		799
459	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		802
462	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
463		804
464	=over 4	805	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
574		915
575	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		920
580	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	922	my $pkg = shift @arg;
582		923
583	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
613	}	954	}
614		955
615	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
616	} else {	957	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	959	}
619		960
620	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
621	}	962	}
622		963
…		…
624	if (ref $_[0]) {	965	if (ref $_[0]) {
625	_object_attach @_;	966	_object_attach @_;
626	} else {	967	} else {
627	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
628	}	969	}
		970	_recalc_want;
629	};	971	};
630		972
631	# all those should be optimised	973	# all those should be optimised
632	sub cf::attachable::detach {	974	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
637	reattach ($obj);	979	reattach ($obj);
638	} else {	980	} else {
639	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
640	}	982	}
		983	_recalc_want;
641	};	984	};
642		985
643	sub cf::attachable::attached {	986	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
645		988
…		…
660	";	1003	";
661	die if $@;	1004	die if $@;
662	}	1005	}
663		1006
664	our $override;	1007	our $override;
665	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?
666		1009
667	sub override {	1010	sub override {
668	$override = 1;	1011	$override = 1;
669	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
670	}	1013	}
671		1014
672	sub do_invoke {	1015	sub do_invoke {
673	my $event = shift;	1016	my $event = shift;
674	my $callbacks = shift;	1017	my $callbacks = shift;
675		1018
676	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
677		1020
678	local $override;	1021	local $override;
679		1022
680	for (@$callbacks) {	1023	for (@$callbacks) {
681	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
690	}	1033	}
691		1034
692	0	1035	0
693	}	1036	}
694		1037
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1039
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1041
699	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
700		1043
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1047
705	=back	1048	=back
706		1049
707	=cut	1050	=cut
708		1051
709	#############################################################################	1052	#############################################################################
710	# 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, $ob2
		1095	}
711		1096
712	sub reattach {	1097	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1099	my ($obj) = @_;
715		1100
		1101	# no longer needed after getting rid of delete_package?
716	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
717		1103
718	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
719		1105
720	@$registry = ();	1106	@$registry = ();
721		1107
…		…
736	cf::attachable->attach (	1122	cf::attachable->attach (
737	prio => -1000000,	1123	prio => -1000000,
738	on_instantiate => sub {	1124	on_instantiate => sub {
739	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
740		1126
741	$data = from_json $data;	1127	$data = decode_json $data;
742		1128
743	for (@$data) {	1129	for (@$data) {
744	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
745		1131
746	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1148	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
764		1150
765	sync_job {	1151	sync_job {
766	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
769		1156
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	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	}
774	close $fh;	1164	aio_close $fh;
775		1165
776	if (@$objs) {	1166	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
781	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	}
782	close $fh;	1175	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
784	}	1177	}
785	} else {	1178	} else {
786	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
787	}	1180	}
788		1181
789	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1186	} else {
791	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
792	}	1188	}
793	} else {	1189	} else {
794	aio_unlink $filename;	1190	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
796	}	1192	}
797	}	1193	};
798	}	1194	}
799		1195
800	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
802		1198
…		…
814	or return;	1210	or return;
815		1211
816	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
818	or return;	1214	or return;
		1215
819	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
820	}	1218	}
821		1219
		1220	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
824	return ($data, $av);	1224	($data, $av)
825	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
826		1232
827	#############################################################################	1233	#############################################################################
828	# command handling &c	1234	# command handling &c
829		1235
830	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1250	}
845		1251
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1253
848	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.
849		1259
850	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
851	called.	1261	called.
852		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
853	=cut	1274	=cut
854		1275
855	sub register_extcmd {	1276	sub register_extcmd {
856	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
857		1278
858	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
859	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
860		1289
861	cf::player->attach (	1290	cf::player->attach (
862	on_command => sub {	1291	on_command => sub {
863	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
864		1293
…		…
872	cf::override;	1301	cf::override;
873	},	1302	},
874	on_extcmd => sub {	1303	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
876		1305
877	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1307
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
885	} else {	1323	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1325	}
888		1326
889	cf::override;	1327	cf::override;
890	},	1328	},
891	);	1329	);
892		1330
		1331	# "readahead" all extensions
893	sub load_extension {	1332	sub cache_extensions {
894	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
895		1334
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1338	}
921	die $@;
922	}	1339	};
923		1340
924	push @EXTS, $pkg;	1341	$grp
925	}	1342	}
926		1343
927	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
928	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1349	next unless -r $path;
930	eval {	1350
931	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	$progress = 1;
932	1	1407	}
933	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
934	}	1413	};
935	}	1414	}
936		1415
937	#############################################################################	1416	#############################################################################
938		1417
		1418	=back
		1419
939	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
940		1421
941	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
942		1423
943	=cut	1424	=cut
944		1425
945	package cf::player;	1426	package cf::player;
946		1427
…		…
948		1429
949	=head3 cf::player	1430	=head3 cf::player
950		1431
951	=over 4	1432	=over 4
952		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
953	=item cf::player::find $login	1448	=item cf::player::find $login
954		1449
955	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
956		1451
957	=cut	1452	=cut
958		1453
959	sub playerdir($) {	1454	sub playerdir($) {
960	cf::localdir	1455	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1457	}
966		1458
967	sub path($) {	1459	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1470
979	sub exists($) {	1471	sub exists($) {
980	my ($login) = @_;	1472	my ($login) = @_;
981		1473
982	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
984	}	1476	}
985		1477
986	sub find($) {	1478	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1480	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
999		1491
1000	my $pl = load_pl path $login	1492	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1003	}	1501	}
1004	}	1502	}
1005	}	1503	}
1006		1504
…		…
1015	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1016		1514
1017	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1019		1517
		1518	cf::get_slot 0.01;
		1519
1020	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1021	Coro::cede;	1521	cf::cede_to_tick;
1022	}	1522	}
1023		1523
1024	sub new($) {	1524	sub new($) {
1025	my ($login) = @_;	1525	my ($login) = @_;
1026		1526
…		…
1032	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1033		1533
1034	$self	1534	$self
1035	}	1535	}
1036		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
1037	=item $pl->quit_character	1547	=item $pl->quit_character
1038		1548
1039	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1041		1551
…		…
1045	my ($pl) = @_;	1555	my ($pl) = @_;
1046		1556
1047	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1048		1558
1049	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1050	$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
1051		1561
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1056		1568
1057	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1089		1601
1090	=cut	1602	=cut
1091		1603
1092	sub list_logins {	1604	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1606	or return [];
1095		1607
1096	my @logins;	1608	my @logins;
1097		1609
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1102		1620
1103	utf8::decode $login;	1621	utf8::decode $login;
1104	push @logins, $login;	1622	push @logins, $login;
1105	}	1623	}
1106		1624
…		…
1133	}	1651	}
1134		1652
1135	\@paths	1653	\@paths
1136	}	1654	}
1137		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1138	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1139		1661
1140	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1141		1663
1142	=cut	1664	=cut
1143		1665
1144	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1146		1668
1147	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1670	}
1151		1671
1152	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1153		1673
1154	Sends an ext event to the client.	1674	Sends an ext event to the client.
1155		1675
1156	=cut	1676	=cut
1157		1677
1158	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1160		1680
1161	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1162	}	1682	}
1163		1683
1164	package cf;	1684	=head3 cf::region
		1685
		1686	=over 4
		1687
		1688	=cut
		1689
		1690	package cf::region;
		1691
		1692	=item cf::region::find_by_path $path
		1693
		1694	Tries to decuce the likely region for a map knowing only its path.
		1695
		1696	=cut
		1697
		1698	sub find_by_path($) {
		1699	my ($path) = @_;
		1700
		1701	my ($match, $specificity);
		1702
		1703	for my $region (list) {
		1704	if ($region->{match} && $path =~ $region->{match}) {
		1705	($match, $specificity) = ($region, $region->specificity)
		1706	if $region->specificity > $specificity;
		1707	}
		1708	}
		1709
		1710	$match
		1711	}
1165		1712
1166	=back	1713	=back
1167
1168		1714
1169	=head3 cf::map	1715	=head3 cf::map
1170		1716
1171	=over 4	1717	=over 4
1172		1718
…		…
1184	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1186		1732
1187	sub generate_random_map {	1733	sub generate_random_map {
1188	my ($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
1189	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1190	$self->_create_random_map (	1739	$self->_create_random_map (
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1227	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1228		1777
1229	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1230	local $self->{path};	1779	local $self->{path};
1231	local $self->{load_path};	1780	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1781
1235	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1236	}	1783	}
1237		1784
1238	sub normalise {	1785	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1286	return $self;	1833	return $self;
1287	}	1834	}
1288	}	1835	}
1289		1836
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1838	()
1292	}	1839	}
1293		1840
1294	sub init {	1841	sub init {
1295	my ($self) = @_;	1842	my ($self) = @_;
…		…
1310		1857
1311	# the original (read-only) location	1858	# the original (read-only) location
1312	sub load_path {	1859	sub load_path {
1313	my ($self) = @_;	1860	my ($self) = @_;
1314		1861
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1316	}	1863	}
1317		1864
1318	# the temporary/swap location	1865	# the temporary/swap location
1319	sub save_path {	1866	sub save_path {
1320	my ($self) = @_;	1867	my ($self) = @_;
1321		1868
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1324	}	1871	}
1325		1872
1326	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1327	sub uniq_path {	1874	sub uniq_path {
1328	my ($self) = @_;	1875	my ($self) = @_;
1329		1876
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1332	}	1879	}
1333		1880
1334	# and all this just because we cannot iterate over	1881	sub decay_objects {
1335	# all maps in C++...
1336	sub change_all_map_light {
1337	my ($change) = @_;	1882	my ($self) = @_;
1338		1883
1339	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1340	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1341	}	1887	}
1342		1888
1343	sub unlink_save {	1889	sub unlink_save {
1344	my ($self) = @_;	1890	my ($self) = @_;
1345		1891
…		…
1350		1896
1351	sub load_header_from($) {	1897	sub load_header_from($) {
1352	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1353		1899
1354	utf8::encode $path;	1900	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	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;
1360		1909
1361	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1362		1911
1363	1	1912	1
1364	}	1913	}
…		…
1403	$self->load_header_orig	1952	$self->load_header_orig
1404	or return;	1953	or return;
1405	$self->prepare_orig;	1954	$self->prepare_orig;
1406	}	1955	}
1407		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
1408	1	1963	1
1409	}	1964	}
1410		1965
1411	sub find;	1966	sub find;
1412	sub find {	1967	sub find {
1413	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1414		1969
1415	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1416		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1418		1974
1419	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";
1421	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1422	or return;	1977	or return;
1423		1978
1424	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1425		1980
1426	$map->load_header	1981	$map->load_header
1427	or return;	1982	or return;
1428		1983
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1432	$map->reset;	1989	$map->reset;
1433	undef $guard;
1434	return find $path;	1990	return find $path;
1435	}	1991	}
1436		1992
1437	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1438	}	1994	}
…		…
1445	my ($self) = @_;	2001	my ($self) = @_;
1446		2002
1447	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1448		2004
1449	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1451		2009
		2010	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2012
1454	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1455		2014
1456	$self->alloc;	2015	$self->alloc;
1457		2016
1458	$self->pre_load;	2017	$self->pre_load;
		2018	cf::cede_to_tick;
1459		2019
1460	$self->_load_objects ($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)
1461	or return;	2023	or return;
1462		2024
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1464	if delete $self->{load_original};	2026	if delete $self->{load_original};
1465		2027
1466	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2029	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2032	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1471	}	2036	}
1472	}	2037	}
1473		2038
1474	Coro::cede;	2039	$f->resolve_delayed_derefs;
1475		2040
		2041	cf::cede_to_tick;
1476	# now do the right thing for maps	2042	# now do the right thing for maps
1477	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2045	unless $self->difficulty;
1487	Coro::cede;	2046	cf::cede_to_tick;
		2047
		2048	unless ($self->{deny_activate}) {
		2049	$self->decay_objects;
		2050	$self->fix_auto_apply;
		2051	$self->update_buttons;
		2052	cf::cede_to_tick;
1488	$self->activate;	2053	$self->activate;
		2054	}
		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
		2059	$self->in_memory (cf::MAP_ACTIVE);
1489	}	2060	}
1490		2061
1491	$self->post_load;	2062	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2063	}
1495		2064
1496	sub customise_for {	2065	sub customise_for {
1497	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1498		2067
1499	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2069	if $self->per_player;
1501		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1502	$self	2074	$self
1503	}	2075	}
1504		2076
1505	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2078	sub load_neighbours {
1507	my ($map) = @_;	2079	my ($map) = @_;
1508		2080
1509	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1510		2082
1511	for (0 .. 3) {	2083	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1513	or next;	2085	or next;
1514	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1515	or next;	2087	or next;
1516	$neigh->load;	2088	$neigh->load;
1517		2089
		2090	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2093	}
1521		2094
1522	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1524	or next;	2098	or next;
1525	$neigh->load;	2099	$neigh->load;
1526	}	2100	}
1527	}	2101	}
1528		2102
…		…
1533	}	2107	}
1534		2108
1535	sub do_load_sync {	2109	sub do_load_sync {
1536	my ($map) = @_;	2110	my ($map) = @_;
1537		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1538	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1539	}	2116	}
1540		2117
1541	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1543		2120
1544	sub find_async {	2121	sub find_async {
1545	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1546		2123
1547	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1548		2125
1549	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2128	}
1552		2129
1553	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1554	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1555	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2137	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2138	$map->load if $v;
		2139	}
1560		2140
1561	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1562	}	2142	}
1563	}	2143	}
1564	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1565	};	2145	};
1566	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2149	}
1570		2150
1571	sub save {	2151	sub save {
1572	my ($self) = @_;	2152	my ($self) = @_;
1573		2153
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2155
1576	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1577		2157
1578	return unless $self->dirty;	2158	return unless $self->dirty;
1579		2159
…		…
1585	return if $self->{deny_save};	2165	return if $self->{deny_save};
1586		2166
1587	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1588		2168
1589	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1591	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1592		2175
1593	if ($uniq) {	2176	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2179	} else {
…		…
1602	my ($self) = @_;	2185	my ($self) = @_;
1603		2186
1604	# save first because save cedes	2187	# save first because save cedes
1605	$self->save;	2188	$self->save;
1606		2189
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2191
1609	return if $self->players;	2192	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1611	return if $self->{deny_save};	2194	return if $self->{deny_save};
1612		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2200	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2201	}
1616		2202
1617	sub reset_at {	2203	sub reset_at {
1618	my ($self) = @_;	2204	my ($self) = @_;
1619		2205
1620	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1623		2208
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2211
…		…
1637	my ($self) = @_;	2222	my ($self) = @_;
1638		2223
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2225
1641	return if $self->players;	2226	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2227
1644	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
1645		2229
1646	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1647		2231
1648	# need to save uniques path	2232	# need to save uniques path
1649	unless ($self->{deny_save}) {	2233	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2237	if $uniq;
1654	}	2238	}
1655		2239
1656	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1657		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2244	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2245
1662	$self->unlink_save;	2246	$self->unlink_save;
1663	$self->destroy;	2247	$self->destroy;
1664	}	2248	}
1665		2249
1666	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1667		2251
1668	sub nuke {	2252	sub nuke {
1669	my ($self) = @_;	2253	my ($self) = @_;
1670		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1671	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1672		2259
1673	$self->unlink_save;	2260	$self->unlink_save;
1674		2261
1675	bless $self, "cf::map";	2262	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2267
1681	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1682		2270
1683	$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	]
1684	}	2308	}
1685		2309
1686	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1687		2311
1688	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2313	instantiated unique items. May block.
1690		2314
1691	=cut	2315	=cut
1692		2316
1693	sub unique_maps() {	2317	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1695	or return;	2319	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2320	utf8::decode $_;
1701	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2323	? ()
1704	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2326	]
1706
1707	\@paths
1708	}	2327	}
1709
1710	package cf;
1711		2328
1712	=back	2329	=back
1713		2330
1714	=head3 cf::object	2331	=head3 cf::object
1715		2332
…		…
1719		2336
1720	=over 4	2337	=over 4
1721		2338
1722	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1723		2340
1724	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.
1725		2343
1726	=cut	2344	=cut
1727		2345
1728	sub inv_recursive_;	2346	sub inv_recursive_;
1729	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1732		2350
1733	sub inv_recursive {	2351	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1735	}	2353	}
1736		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
1737	package cf;	2383	package cf;
1738		2384
1739	=back	2385	=back
1740		2386
1741	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1747	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>
1748	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
1749	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1750		2396
1751	=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	};
1752		2412
1753	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2414	# with dialog boxes.
1755	#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
1756	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1758		2418
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2420
1761	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1763	} 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 {
1764	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1766	}	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 (@_);
1767	}	2446	}
1768		2447
1769	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1770		2449
1771	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1784		2463
1785	=item $player_object->enter_link	2464	=item $player_object->enter_link
1786		2465
1787	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}>).
1788		2467
1789	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.
1790	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.
1791		2472
1792	Will never block.	2473	Will never block.
1793		2474
1794	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1795		2476
…		…
1818	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1819		2500
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2502
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1824		2505
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2507	}
1827		2508
1828	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1830		2513
1831	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1832		2515
1833	unless ($map) {	2516	unless ($map) {
1834	# restore original map position	2517	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1851		2534
1852	$map->load;	2535	$map->load;
1853	$map->load_diag;	2536	$map->load_neighbours;
1854		2537
1855	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1856	$self->activate_recursive;	2540	$self->activate_recursive;
1857		2541
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1860	}	2544	}
1861		2545
1862	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2547
1866	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1870	};	2552	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2553
1876	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1877	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893		2556
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1897		2560
1898	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1899	my ($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;
1900		2566
1901	$self->enter_link;	2567	$self->enter_link;
1902		2568
1903	(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
1904	my $map = eval {	2591	my $map = eval {
1905	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
		2593
		2594	if ($map) {
1906	$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
1907	$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 $@;
1908	} or	2607	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2608
		2609	if ($gen == $self->{_goto_generation}) {
		2610	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1912	})->prio (1);	2615	})->prio (1);
1913	}	2616	}
1914		2617
1915	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1916		2619
…		…
1936	}	2639	}
1937		2640
1938	sub prepare_random_map {	2641	sub prepare_random_map {
1939	my ($exit) = @_;	2642	my ($exit) = @_;
1940		2643
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2646	# that depends on the exit object
1946		2647
1947	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2650	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
1954	}	2657	}
1955		2658
1956	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
1957		2660
1958	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
1961		2664
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2667	undef $fh;
1965	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
1966		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
1969	}	2676	}
1970	}	2677	}
1971		2678
1972	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
1974		2681
1975	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
1976		2683
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2684	$self->enter_link;
1989		2685
1990	(async {	2686	(async {
1991	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
1992	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
1993	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
1994		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
1995	1;	2710	1
1996	}) {	2711	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
1998	. "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. "
1999	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2001		2716
2002	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2021		2736
2022	utf8::encode $text;	2737	utf8::encode $text;
2023	$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);
2024	}	2739	}
2025		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
2026	=item $client->ext_event ($type, %msg)	2901	=item $client->ext_msg ($type, @msg)
2027		2902
2028	Sends an exti event to the client.	2903	Sends an ext event to the client.
2029		2904
2030	=cut	2905	=cut
2031		2906
2032	sub cf::client::ext_event($$%) {	2907	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2908	my ($self, $type, @msg) = @_;
2034		2909
		2910	if ($self->extcmd == 2) {
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2913	push @msg, msgtype => "event_$type";
2036	$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	}
2037	}	2934	}
2038		2935
2039	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
2040		2937
2041	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
2042	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>,
2043	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>.
2044		2941
2045	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
2046	reliable at some point in the future.	2943	become reliable at some point in the future.
2047		2944
2048	=cut	2945	=cut
2049		2946
2050	sub cf::client::query {	2947	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2956	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2958
2062	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
2064	}	2963	}
2065		2964
2066	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	},
2067	on_reply => sub {	2971	on_reply => sub {
2068	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
2069		2973
2070	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
2071	# get handled first	2975	# get handled first
…		…
2083	} else {	2987	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2989	}
2086	}	2990	}
2087	},	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	},
2088	);	3018	);
2089		3019
2090	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
2091		3021
2092	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2135		3065
2136	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2137		3067
2138	$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	));
2139		3073
2140	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2141		3075
2142	=pod	3076	=pod
2143		3077
2144	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2145		3079
2146	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
2147	cf::object::player player	3085	cf::object::player
2148	cf::player peaceful	3086	player
2149	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2150		3093
2151	=cut	3094	=cut
2152		3095
2153	for (	3096	for (
2154	["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)],
2155	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2157	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2158	) {	3103	) {
2159	no strict 'refs';	3104	no strict 'refs';
2160	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2161	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2178	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2179		3124
2180	my $qcode = $code;	3125	my $qcode = $code;
2181	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2182	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2183		3130
2184	local $_;	3131	local $_;
2185	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2186		3133
2187	my $eval =	3134	my $eval =
…		…
2230	=back	3177	=back
2231		3178
2232	=cut	3179	=cut
2233		3180
2234	#############################################################################	3181	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	3182	# the server's init and main functions
2308		3183
2309	sub load_facedata {	3184	sub load_facedata($) {
2310	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;
2311		3192
2312	warn "loading facedata from $path\n";	3193	warn "loading facedata from $path\n";
2313		3194
2314	my $facedata;	3195	my $facedata;
2315	0 < aio_load $path, $facedata	3196	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3199	$facedata = Coro::Storable::thaw $facedata;
2319		3200
2320	$facedata->{version} == 2	3201	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		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
2323	{	3211	{
2324	my $faces = $facedata->{faceinfo};	3212	my $faces = $facedata->{faceinfo};
2325		3213
2326	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3216
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3217	cf::face::set_visibility $idx, $info->{visibility};
		3218	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3221
		3222	cf::cede_to_tick;
2332	}	3223	}
2333		3224
2334	while (my ($face, $info) = each %$faces) {	3225	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3226	next unless $info->{smooth};
		3227
2336	my $idx = cf::face::find $face	3228	my $idx = cf::face::find $face
2337	or next;	3229	or next;
		3230
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3231	if (my $smooth = cf::face::find $info->{smooth}) {
		3232	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3234	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3236	}
2343	Coro::cede;	3237
		3238	cf::cede_to_tick;
2344	}	3239	}
2345	}	3240	}
2346		3241
2347	{	3242	{
2348	my $anims = $facedata->{animinfo};	3243	my $anims = $facedata->{animinfo};
2349		3244
2350	while (my ($anim, $info) = each %$anims) {	3245	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3246	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3247	cf::cede_to_tick;
2353	}	3248	}
2354		3249
2355	cf::anim::invalidate_all; # d'oh	3250	cf::anim::invalidate_all; # d'oh
2356	}	3251	}
2357		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
2358	1	3288	1
2359	}	3289	}
2360		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
		3348	sub reload_archetypes {
		3349	load_resource_file "$DATADIR/archetypes"
		3350	or die "unable to load archetypes\n";
		3351	}
		3352
		3353	sub reload_treasures {
		3354	load_resource_file "$DATADIR/treasures"
		3355	or die "unable to load treasurelists\n";
		3356	}
		3357
2361	sub reload_resources {	3358	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3359	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3360
2364	load_facedata	3361	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3362	reload_archetypes;
2366	}
2367
2368	sub init {
2369	reload_resources;	3363	reload_regions;
2370	}	3364	reload_treasures;
2371		3365
2372	sub cfg_load {	3366	warn "finished reloading resource files\n";
		3367	}
		3368
		3369	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3371	or return;
2375		3372
2376	local $/;	3373	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2378		3375
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3377
2381	$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};
2382	$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};
…		…
2388	};	3385	};
2389	warn $@ if $@;	3386	warn $@ if $@;
2390	}	3387	}
2391	}	3388	}
2392		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
2393	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
2394	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2396	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#
2397	(async {	3436	(async {
2398	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2400	};	3440	};
2401		3441
2402	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
2403	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
2404	load_extensions;	3460	load_extensions;
2405		3461
2406	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2407	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;
2408	}	3471	}
2409		3472
2410	#############################################################################	3473	#############################################################################
2411	# initialisation and cleanup	3474	# initialisation and cleanup
2412		3475
2413	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2414	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
2423	},
2424	);	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
2425	}	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 };
2426	}	3570	}
2427		3571
2428	sub emergency_save() {	3572	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
2430		3574
2431	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
2432		3576
2433	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
2434	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3591	$pl->save;
2442	}	3592	}
2443	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
2444		3594
2445	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3598	$map->valid or next;
2449	$map->save;	3599	$map->save;
2450	}	3600	}
2451	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
2452		3602
2453	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2455	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";
2456	};	3610	};
2457		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
2458	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
2459	}	3618	}
2460		3619
2461	sub post_cleanup {	3620	sub post_cleanup {
2462	my ($make_core) = @_;	3621	my ($make_core) = @_;
2463		3622
2464	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3624	if $make_core;
2466	}
2467		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 $pkg\n";#d#
		3654	}
		3655
2468	sub reload() {	3656	sub do_reload_perl() {
2469	# can/must only be called in main	3657	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
2472	return;	3660	return;
2473	}	3661	}
2474		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
2475	warn "reloading...";	3668	warn "reloading...";
2476		3669
2477	warn "entering sync_job";	3670	warn "entering sync_job";
2478		3671
2479	cf::sync_job {	3672	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3674	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
2483		3676
2484	warn "syncing database to disk";	3677	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3679
2487	# 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
2488		3681
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();
2508
2509	warn "removing commands";
2510	%COMMAND = ();
2511
2512	warn "removing ext commands";
2513	%EXTCMD = ();
2514
2515	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";
2518
2519	if (my $cb = $pkg->can ("unload")) {
2520	eval {
2521	$cb->($pkg);
2522	1
2523	} or warn "$pkg unloaded, but with errors: $@";
2524	}	3685	}
2525		3686
2526	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
2528	}	3689	%EXT_CORO = ();
2529		3690
2530	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3700	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3701
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
2541	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
2542	}	3711	}
2543		3712
2544	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 $k;
2545	}	3728	}
2546		3729
2547	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
2549	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);
2550		3733
2551	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
		3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2553		3737
2554	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3739	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
2557		3741
2558	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
2559		3743
2560	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
2561	require cf;	3745	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3747
2564	warn "loading config and database again";	3748	warn "loading config and database again";
2565	cf::cfg_load;	3749	cf::reload_config;
2566		3750
2567	warn "loading extensions";	3751	warn "loading extensions";
2568	cf::load_extensions;	3752	cf::load_extensions;
2569		3753
		3754	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
2576		3762
2577	warn "loading reloadable resources";	3763	warn "running post_init jobs";
2578	reload_resources;	3764	(pop @POST_INIT)->(1) while @POST_INIT;
2579		3765
2580	warn "leaving sync_job";	3766	warn "leaving sync_job";
2581		3767
2582	1	3768	1
2583	} or do {	3769	} or do {
2584	warn $@;	3770	warn $@;
2585	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3772	};
		3773
		3774	warn "reloaded";
		3775	--$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	};
2587	};	3795	};
2588		3796	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3797
2594	register_command "reload" => sub {	3798	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
2596		3800
2597	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
2599		3803	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3804	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3805	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3806	};
2612	}	3807	}
2613	};	3808	};
2614		3809
2615	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
2616		3811
2617	my $bug_warning = 0;	3812	my $bug_warning = 0;
2618		3813
2619	$TICK_WATCHER = Event->timer (	3814	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3815	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3816
2622	prio => 0,	3817	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3818	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3819
2625	cb => sub {	3820	my $signal = new Coro::Signal;
		3821	push @WAIT_FOR_TICK, $signal;
		3822	$signal->wait;
		3823	}
		3824
		3825	sub wait_for_tick_begin {
		3826	return if tick_inhibit || $Coro::current == $Coro::main;
		3827
		3828	my $signal = new Coro::Signal;
		3829	push @WAIT_FOR_TICK_BEGIN, $signal;
		3830	$signal->wait;
		3831	}
		3832
		3833	sub tick {
2626	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
2629	return;	3837	return;
2630	}	3838	}
2631		3839
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3841
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3844	Coro::async_pool {
		3845	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3846	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3847	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3848	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3849	}
2658	);	3850
		3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3852	$sig->send;
		3853	}
		3854	while (my $sig = shift @WAIT_FOR_TICK) {
		3855	$sig->send;
		3856	}
		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	}
2659		3869
2660	{	3870	{
2661	BDB::max_poll_time $TICK * 0.1;	3871	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3872
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
2671		3874	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3875	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3876
2687	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
2688	$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);
2689		3884
2690	cf::sync_job {	3885	cf::sync_job {
2691	eval {	3886	eval {
2692	BDB::db_env_open	3887	BDB::db_env_open
2693	$DB_ENV,	3888	$DB_ENV,
2694	$BDB_ENV_DIR,	3889	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3892	0666;
2698		3893
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3894	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3895	};
2704		3896
2705	cf::cleanup "db_env_open(db): $@" if $@;	3897	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3898	};
2707	}	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	};
2708	}	3910	}
2709		3911
2710	{	3912	{
		3913	# configure IO::AIO
		3914
2711	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3917	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	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;
2724		3964
2725	END { cf::emergency_save }	3965	END { cf::emergency_save }
2726		3966
2727	1	3967	1
2728		3968

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