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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 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;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;	56	use Digest::MD5;
25	use Fcntl;	57	use Fcntl;
26	use YAML::Syck ();	58	use YAML ();
27	use IO::AIO 2.32 ();	59	use IO::AIO ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
30		65
31	# configure various modules to our taste	66	# configure various modules to our taste
32	#	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35		76
36	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
37		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		79
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		81
45	our %COMMAND = ();	82	our %COMMAND = ();
46	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
47		84
48	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
52		90
53	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	92	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		93
57	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	95	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	112	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
67		121
68	our %CFG;	122	our %CFG;
69		123
70	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
72		127
73	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		131
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		144
85	binmode STDOUT;	145	binmode STDOUT;
86	binmode STDERR;	146	binmode STDERR;
87		147
88	# read virtual server time, if available	148	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
93	}	153	}
94		154
95	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	156
97	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		159
102	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
103		161
104	sub cf::map::normalise;	162	sub cf::map::normalise;
105		163
…		…
116	=item $cf::RUNTIME	174	=item $cf::RUNTIME
117		175
118	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
119	every server tick.	177	every server tick.
120		178
121	=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
122		182
123	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		187
126	=item $cf::NOW	188	=item $cf::NOW
127		189
128	The time of the last (current) server tick.	190	The time of the last (current) server tick.
129		191
130	=item $cf::TICK	192	=item $cf::TICK
131		193
132	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	206	=item %cf::CFG
135		207
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	209	from wherever your confdir points to.
138		210
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		212
141	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
142	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
143	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.
144	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.
145		222
146	=back	223	=back
147		224
148	=cut	225	=cut
149		226
150	BEGIN {	227	BEGIN {
151	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	229	my $msg = join "", @_;
153	utf8::encode $msg;
154		230
155	$msg .= "\n"	231	$msg .= "\n"
156	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
157		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
158	LOG llevError, $msg;	236	LOG llevError, $msg;
159	};	237	};
160	}	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#?
161		254
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		262
169	# 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
170	# within the Safe compartment.	264	# within the Safe compartment.
171	for my $pkg (qw(	265	for my $pkg (qw(
172	cf::global cf::attachable	266	cf::global cf::attachable
173	cf::object cf::object::player	267	cf::object cf::object::player
174	cf::client cf::player	268	cf::client cf::player
175	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
176	cf::map cf::party cf::region	271	cf::party cf::region
177	)) {	272	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	274	}
181		275
182	$Event::DIED = sub {	276	$EV::DIED = sub {
183	warn "error in event callback: @_";	277	warn "error in event callback: @_";
184	};	278	};
		279
		280	#############################################################################
185		281
186	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
187		283
188	=over 4	284	=over 4
189		285
…		…
208	$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;
209	$d	305	$d
210	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
211	}	307	}
212		308
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
216		310
217	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
218		312
219	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
220		314
221	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
222		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
223	=item cf::lock_wait $string	338	=item cf::lock_wait $string
224		339
225	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
226		341
227	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
228		343
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
232	returned.	347	returned.
233		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
234	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
235	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
236		354
237	=cut	355	=item $locked = cf::lock_active $string
238		356
239	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
240		362
241	sub lock_wait($) {	363	sub lock_wait($) {
242	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	365	}
250		366
251	sub lock_acquire($) {	367	sub lock_acquire($) {
252	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
253		370
254	# wait, to be sure we are not locked	371	sub lock_active($) {
255	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	373	}
264		374
265	sub freeze_mainloop {	375	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
267		377
268	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
269	$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($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
270	};	439	}
271	$TICK_WATCHER->stop;	440	};
272	$guard	441
		442	sub get_slot($;$$) {
		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	$sig->wait;
273	}	454	}
274		455
275	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
276		457
277	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		463
283	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
284		465
285	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
286		467
287	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
290		472
291	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
294	fast or be very important.	476	fast or be very important.
…		…
297		479
298	sub sync_job(&) {	480	sub sync_job(&) {
299	my ($job) = @_;	481	my ($job) = @_;
300		482
301	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
302	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
304		488
305	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	490
307	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
308		492
309	my $busy = 1;	493	my $busy = 1;
310	my @res;	494	my @res;
311		495
312	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	498	@res = eval { $job->() };
314	warn $@ if $@;	499	warn $@ if $@;
315	undef $busy;	500	undef $busy;
316	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
317		502
318	while ($busy) {	503	while ($busy) {
319	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
320	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
321		514
322	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
323	} else {	516	} else {
324	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
325		518
…		…
345	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
346		539
347	$coro	540	$coro
348	}	541	}
349		542
350	sub write_runtime {	543	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		544
353	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.
354		549
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	550	=cut
356	or return;
357		551
358	my $value = $cf::RUNTIME + 90 + 10;	552	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	553	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		554
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	555	# we seemingly have to make a local copy of the whole thing,
363	and return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
364		558
365	# always fsync - this file is important	559	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	560	reset_signals;
367	and return;	561	&$cb
		562	}, @args;
368		563
369	close $fh	564	wantarray ? @res : $res[-1]
370	or return;	565	}
371		566
372	aio_rename "$runtime~", $runtime	567	=item $coin = coin_from_name $name
373	and return;
374		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		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($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
375	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		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"
376	}	719	}
377		720
378	=item cf::datalog type => key => value, ...	721	=item cf::datalog type => key => value, ...
379		722
380	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.
…		…
392		735
393	#############################################################################	736	#############################################################################
394		737
395	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
396		739
397	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
398	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")
399	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
400		743
401	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>
402	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
403	crossfire+).	746	Deliantra).
404		747
405	=over 4	748	=over 4
406		749
407	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
408		751
…		…
452	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
453		796
454	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
456		799
457	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		802
460	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
461		804
462	=over 4	805	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
572		915
573	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		920
578	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	922	my $pkg = shift @arg;
580		923
581	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
611	}	954	}
612		955
613	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
614	} else {	957	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	959	}
617		960
618	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
619	}	962	}
620		963
…		…
622	if (ref $_[0]) {	965	if (ref $_[0]) {
623	_object_attach @_;	966	_object_attach @_;
624	} else {	967	} else {
625	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
626	}	969	}
		970	_recalc_want;
627	};	971	};
628		972
629	# all those should be optimised	973	# all those should be optimised
630	sub cf::attachable::detach {	974	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
635	reattach ($obj);	979	reattach ($obj);
636	} else {	980	} else {
637	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
638	}	982	}
		983	_recalc_want;
639	};	984	};
640		985
641	sub cf::attachable::attached {	986	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
643		988
…		…
658	";	1003	";
659	die if $@;	1004	die if $@;
660	}	1005	}
661		1006
662	our $override;	1007	our $override;
663	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?
664		1009
665	sub override {	1010	sub override {
666	$override = 1;	1011	$override = 1;
667	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
668	}	1013	}
669		1014
670	sub do_invoke {	1015	sub do_invoke {
671	my $event = shift;	1016	my $event = shift;
672	my $callbacks = shift;	1017	my $callbacks = shift;
673		1018
674	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
675		1020
676	local $override;	1021	local $override;
677		1022
678	for (@$callbacks) {	1023	for (@$callbacks) {
679	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
688	}	1033	}
689		1034
690	0	1035	0
691	}	1036	}
692		1037
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1039
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1041
697	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
698		1043
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1047
703	=back	1048	=back
704		1049
705	=cut	1050	=cut
706		1051
707	#############################################################################	1052	#############################################################################
708	# 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, $ob2
		1095	}
709		1096
710	sub reattach {	1097	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1099	my ($obj) = @_;
713		1100
		1101	# no longer needed after getting rid of delete_package?
714	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
715		1103
716	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
717		1105
718	@$registry = ();	1106	@$registry = ();
719		1107
…		…
734	cf::attachable->attach (	1122	cf::attachable->attach (
735	prio => -1000000,	1123	prio => -1000000,
736	on_instantiate => sub {	1124	on_instantiate => sub {
737	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
738		1126
739	$data = from_json $data;	1127	$data = decode_json $data;
740		1128
741	for (@$data) {	1129	for (@$data) {
742	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
743		1131
744	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1148	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
762		1150
763	sync_job {	1151	sync_job {
764	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
767		1156
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1164	aio_close $fh;
773		1165
774	if (@$objs) {	1166	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1175	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
782	}	1177	}
783	} else {	1178	} else {
784	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
785	}	1180	}
786		1181
787	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1186	} else {
789	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
790	}	1188	}
791	} else {	1189	} else {
792	aio_unlink $filename;	1190	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
794	}	1192	}
795	}	1193	};
796	}	1194	}
797		1195
798	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
800		1198
…		…
812	or return;	1210	or return;
813		1211
814	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
816	or return;	1214	or return;
		1215
817	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
818	}	1218	}
819		1219
		1220	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
822	return ($data, $av);	1224	($data, $av)
823	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
824		1232
825	#############################################################################	1233	#############################################################################
826	# command handling &c	1234	# command handling &c
827		1235
828	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1250	}
843		1251
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1253
846	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.
847		1259
848	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
849	called.	1261	called.
850		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
851	=cut	1274	=cut
852		1275
853	sub register_extcmd {	1276	sub register_extcmd {
854	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
855		1278
856	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
857	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
858		1289
859	cf::player->attach (	1290	cf::player->attach (
860	on_command => sub {	1291	on_command => sub {
861	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
862		1293
…		…
870	cf::override;	1301	cf::override;
871	},	1302	},
872	on_extcmd => sub {	1303	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
874		1305
875	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1307
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
883	} else {	1323	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1325	}
886		1326
887	cf::override;	1327	cf::override;
888	},	1328	},
889	);	1329	);
890		1330
		1331	# "readahead" all extensions
891	sub load_extension {	1332	sub cache_extensions {
892	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
893		1334
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1338	}
919	die $@;
920	}	1339	};
921		1340
922	push @EXTS, $pkg;	1341	$grp
923	}	1342	}
924		1343
925	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
926	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1349	next unless -r $path;
928	eval {	1350
929	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	$progress = 1;
930	1	1407	}
931	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
932	}	1413	};
933	}	1414	}
934		1415
935	#############################################################################	1416	#############################################################################
936		1417
		1418	=back
		1419
937	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
938		1421
939	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
940		1423
941	=cut	1424	=cut
942		1425
943	package cf::player;	1426	package cf::player;
944		1427
…		…
946		1429
947	=head3 cf::player	1430	=head3 cf::player
948		1431
949	=over 4	1432	=over 4
950		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
951	=item cf::player::find $login	1448	=item cf::player::find $login
952		1449
953	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
954		1451
955	=cut	1452	=cut
956		1453
957	sub playerdir($) {	1454	sub playerdir($) {
958	cf::localdir	1455	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1457	}
964		1458
965	sub path($) {	1459	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1461
968	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
969	}	1463	}
970		1464
971	sub find_active($) {	1465	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
976		1470
977	sub exists($) {	1471	sub exists($) {
978	my ($login) = @_;	1472	my ($login) = @_;
979		1473
980	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
982	}	1476	}
983		1477
984	sub find($) {	1478	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1480	my $login = $_[0];
987		1481
988	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
989		1483
990	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1485	# rename old playerfiles to new ones
		1486	#TODO: remove when no longer required
		1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1490	aio_unlink +(playerdir $login) . "/$login.pl";
		1491
		1492	my $f = new_from_file cf::object::thawer path $login
992	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;
993	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
994	}	1501	}
995	}	1502	}
996	}	1503	}
997		1504
…		…
1006	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1007		1514
1008	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1010		1517
		1518	cf::get_slot 0.01;
		1519
1011	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1012	Coro::cede;	1521	cf::cede_to_tick;
1013	}	1522	}
1014		1523
1015	sub new($) {	1524	sub new($) {
1016	my ($login) = @_;	1525	my ($login) = @_;
1017		1526
…		…
1023	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1024		1533
1025	$self	1534	$self
1026	}	1535	}
1027		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
1028	=item $pl->quit_character	1547	=item $pl->quit_character
1029		1548
1030	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1032		1551
…		…
1036	my ($pl) = @_;	1555	my ($pl) = @_;
1037		1556
1038	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1039		1558
1040	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1041	$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
1042		1561
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1047		1568
1048	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1080		1601
1081	=cut	1602	=cut
1082		1603
1083	sub list_logins {	1604	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1606	or return [];
1086		1607
1087	my @logins;	1608	my @logins;
1088		1609
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1093		1620
1094	utf8::decode $login;	1621	utf8::decode $login;
1095	push @logins, $login;	1622	push @logins, $login;
1096	}	1623	}
1097		1624
…		…
1124	}	1651	}
1125		1652
1126	\@paths	1653	\@paths
1127	}	1654	}
1128		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1129	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1130		1661
1131	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1132		1663
1133	=cut	1664	=cut
1134		1665
1135	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1137		1668
1138	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1670	}
1142		1671
1143	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1144		1673
1145	Sends an ext event to the client.	1674	Sends an ext event to the client.
1146		1675
1147	=cut	1676	=cut
1148		1677
1149	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1151		1680
1152	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1153	}	1682	}
1154		1683
1155	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	}
1156		1712
1157	=back	1713	=back
1158
1159		1714
1160	=head3 cf::map	1715	=head3 cf::map
1161		1716
1162	=over 4	1717	=over 4
1163		1718
…		…
1175	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1177		1732
1178	sub generate_random_map {	1733	sub generate_random_map {
1179	my ($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
1180	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1181	$self->_create_random_map (	1739	$self->_create_random_map (
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1218	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1219		1777
1220	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1221	local $self->{path};	1779	local $self->{path};
1222	local $self->{load_path};	1780	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1781
1226	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1227	}	1783	}
1228		1784
1229	sub normalise {	1785	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1277	return $self;	1833	return $self;
1278	}	1834	}
1279	}	1835	}
1280		1836
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1838	()
1283	}	1839	}
1284		1840
1285	sub init {	1841	sub init {
1286	my ($self) = @_;	1842	my ($self) = @_;
…		…
1301		1857
1302	# the original (read-only) location	1858	# the original (read-only) location
1303	sub load_path {	1859	sub load_path {
1304	my ($self) = @_;	1860	my ($self) = @_;
1305		1861
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1307	}	1863	}
1308		1864
1309	# the temporary/swap location	1865	# the temporary/swap location
1310	sub save_path {	1866	sub save_path {
1311	my ($self) = @_;	1867	my ($self) = @_;
1312		1868
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1315	}	1871	}
1316		1872
1317	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1318	sub uniq_path {	1874	sub uniq_path {
1319	my ($self) = @_;	1875	my ($self) = @_;
1320		1876
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1323	}	1879	}
1324		1880
1325	# and all this just because we cannot iterate over	1881	sub decay_objects {
1326	# all maps in C++...
1327	sub change_all_map_light {
1328	my ($change) = @_;	1882	my ($self) = @_;
1329		1883
1330	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1331	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1332	}	1887	}
1333		1888
1334	sub unlink_save {	1889	sub unlink_save {
1335	my ($self) = @_;	1890	my ($self) = @_;
1336		1891
…		…
1341		1896
1342	sub load_header_from($) {	1897	sub load_header_from($) {
1343	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1344		1899
1345	utf8::encode $path;	1900	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	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;
1351		1909
1352	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1353		1911
1354	1	1912	1
1355	}	1913	}
…		…
1394	$self->load_header_orig	1952	$self->load_header_orig
1395	or return;	1953	or return;
1396	$self->prepare_orig;	1954	$self->prepare_orig;
1397	}	1955	}
1398		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 $self->default_region;
		1962
1399	1	1963	1
1400	}	1964	}
1401		1965
1402	sub find;	1966	sub find;
1403	sub find {	1967	sub find {
1404	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1405		1969
1406	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1407		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1409		1974
1410	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";
1412	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1413	or return;	1977	or return;
1414		1978
1415	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1416		1980
1417	$map->load_header	1981	$map->load_header
1418	or return;	1982	or return;
1419		1983
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1423	$map->reset;	1989	$map->reset;
1424	undef $guard;
1425	return find $path;	1990	return find $path;
1426	}	1991	}
1427		1992
1428	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1429	}	1994	}
…		…
1436	my ($self) = @_;	2001	my ($self) = @_;
1437		2002
1438	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1439		2004
1440	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1441	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1442		2009
		2010	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		2012
1445	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1446		2014
1447	$self->alloc;	2015	$self->alloc;
1448		2016
1449	$self->pre_load;	2017	$self->pre_load;
		2018	cf::cede_to_tick;
1450		2019
1451	$self->_load_objects ($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)
1452	or return;	2023	or return;
1453		2024
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1455	if delete $self->{load_original};	2026	if delete $self->{load_original};
1456		2027
1457	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2029	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2032	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1462	}	2036	}
1463	}	2037	}
1464		2038
1465	Coro::cede;	2039	$f->resolve_delayed_derefs;
1466		2040
		2041	cf::cede_to_tick;
1467	# now do the right thing for maps	2042	# now do the right thing for maps
1468	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2045	unless $self->difficulty;
1478	Coro::cede;	2046	cf::cede_to_tick;
		2047
		2048	unless ($self->{deny_activate}) {
		2049	$self->decay_objects;
		2050	$self->fix_auto_apply;
		2051	$self->update_buttons;
		2052	cf::cede_to_tick;
1479	$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);
1480	}	2060	}
1481		2061
1482	$self->post_load;	2062	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	2063	}
1486		2064
1487	sub customise_for {	2065	sub customise_for {
1488	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1489		2067
1490	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2069	if $self->per_player;
1492		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1493	$self	2074	$self
1494	}	2075	}
1495		2076
1496	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2078	sub load_neighbours {
1498	my ($map) = @_;	2079	my ($map) = @_;
1499		2080
1500	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1501		2082
1502	for (0 .. 3) {	2083	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1504	or next;	2085	or next;
1505	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1506	or next;	2087	or next;
1507	$neigh->load;	2088	$neigh->load;
1508		2089
		2090	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2093	}
1512		2094
1513	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1515	or next;	2098	or next;
1516	$neigh->load;	2099	$neigh->load;
1517	}	2100	}
1518	}	2101	}
1519		2102
…		…
1524	}	2107	}
1525		2108
1526	sub do_load_sync {	2109	sub do_load_sync {
1527	my ($map) = @_;	2110	my ($map) = @_;
1528		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1529	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1530	}	2116	}
1531		2117
1532	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1534		2120
1535	sub find_async {	2121	sub find_async {
1536	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1537		2123
1538	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1539		2125
1540	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1542	}	2128	}
1543		2129
1544	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1545	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1546	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2137	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2138	$map->load if $v;
		2139	}
1551		2140
1552	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1553	}	2142	}
1554	}	2143	}
1555	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1556	};	2145	};
1557	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2149	}
1561		2150
1562	sub save {	2151	sub save {
1563	my ($self) = @_;	2152	my ($self) = @_;
1564		2153
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2155
1567	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1568		2157
1569	return unless $self->dirty;	2158	return unless $self->dirty;
1570		2159
…		…
1576	return if $self->{deny_save};	2165	return if $self->{deny_save};
1577		2166
1578	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1579		2168
1580	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1582	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1583		2175
1584	if ($uniq) {	2176	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2179	} else {
…		…
1593	my ($self) = @_;	2185	my ($self) = @_;
1594		2186
1595	# save first because save cedes	2187	# save first because save cedes
1596	$self->save;	2188	$self->save;
1597		2189
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2191
1600	return if $self->players;	2192	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1602	return if $self->{deny_save};	2194	return if $self->{deny_save};
1603		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2200	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2201	}
1607		2202
1608	sub reset_at {	2203	sub reset_at {
1609	my ($self) = @_;	2204	my ($self) = @_;
1610		2205
1611	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1614		2208
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2211
…		…
1628	my ($self) = @_;	2222	my ($self) = @_;
1629		2223
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2225
1632	return if $self->players;	2226	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2227
1635	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
1636		2229
1637	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1638		2231
1639	# need to save uniques path	2232	# need to save uniques path
1640	unless ($self->{deny_save}) {	2233	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2237	if $uniq;
1645	}	2238	}
1646		2239
1647	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1648		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2244	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2245
1653	$self->unlink_save;	2246	$self->unlink_save;
1654	$self->destroy;	2247	$self->destroy;
1655	}	2248	}
1656		2249
1657	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1658		2251
1659	sub nuke {	2252	sub nuke {
1660	my ($self) = @_;	2253	my ($self) = @_;
1661		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1662	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1663		2259
1664	$self->unlink_save;	2260	$self->unlink_save;
1665		2261
1666	bless $self, "cf::map";	2262	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2267
1672	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1673		2270
1674	$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	]
1675	}	2308	}
1676		2309
1677	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1678		2311
1679	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2313	instantiated unique items. May block.
1681		2314
1682	=cut	2315	=cut
1683		2316
1684	sub unique_maps() {	2317	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1686	or return;	2319	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2320	utf8::decode $_;
1692	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2323	? ()
1695	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2326	]
1697
1698	\@paths
1699	}	2327	}
1700
1701	package cf;
1702		2328
1703	=back	2329	=back
1704		2330
1705	=head3 cf::object	2331	=head3 cf::object
1706		2332
…		…
1710		2336
1711	=over 4	2337	=over 4
1712		2338
1713	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1714		2340
1715	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.
1716		2343
1717	=cut	2344	=cut
1718		2345
1719	sub inv_recursive_;	2346	sub inv_recursive_;
1720	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1723		2350
1724	sub inv_recursive {	2351	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1726	}	2353	}
1727		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
1728	package cf;	2383	package cf;
1729		2384
1730	=back	2385	=back
1731		2386
1732	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1738	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>
1739	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
1740	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1741		2396
1742	=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	};
1743		2412
1744	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1745	# with dialog boxes.	2414	# with dialog boxes.
1746	#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
1747	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1749		2418
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2420
1752	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1754	} 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 {
1755	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1757	}	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 (@_);
1758	}	2446	}
1759		2447
1760	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1761		2449
1762	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1775		2463
1776	=item $player_object->enter_link	2464	=item $player_object->enter_link
1777		2465
1778	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}>).
1779		2467
1780	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.
1781	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.
1782		2472
1783	Will never block.	2473	Will never block.
1784		2474
1785	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1786		2476
…		…
1809	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1810		2500
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2502
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1815		2505
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2507	}
1818		2508
1819	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1821		2513
1822	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1823		2515
1824	unless ($map) {	2516	unless ($map) {
1825	# restore original map position	2517	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1842		2534
1843	$map->load;	2535	$map->load;
1844	$map->load_diag;	2536	$map->load_neighbours;
1845		2537
1846	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1847	$self->activate_recursive;	2540	$self->activate_recursive;
1848		2541
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1851	}	2544	}
1852		2545
1853	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2547
1857	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1861	};	2552	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2553
1867	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1868	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884		2556
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1888		2560
1889	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1890	my ($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;
1891		2566
1892	$self->enter_link;	2567	$self->enter_link;
1893		2568
1894	(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
1895	my $map = eval {	2591	my $map = eval {
1896	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
		2593
		2594	if ($map) {
1897	$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
1898	$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 $@;
1899	} or	2607	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2608
		2609	if ($gen == $self->{_goto_generation}) {
		2610	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1903	})->prio (1);	2615	})->prio (1);
1904	}	2616	}
1905		2617
1906	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1907		2619
…		…
1927	}	2639	}
1928		2640
1929	sub prepare_random_map {	2641	sub prepare_random_map {
1930	my ($exit) = @_;	2642	my ($exit) = @_;
1931		2643
1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1933
1934	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
1935	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
1936	# that depends on the exit object	2646	# that depends on the exit object
1937		2647
1938	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
1940	if ($exit->map) {	2650	if ($exit->map) {
1941	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
1942	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
1943	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
1944	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
1945	}	2657	}
1946		2658
1947	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
1948		2660
1949	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
1952		2664
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2667	undef $fh;
1956	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
1957		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
1958	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
1959	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
1960	}	2676	}
1961	}	2677	}
1962		2678
1963	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
1964	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
1965		2681
1966	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
1967		2683
1968	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
1970	cf::sync_job { prepare_random_map $exit };
1971	}
1972
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;
1976
1977	$self->enter_link;	2684	$self->enter_link;
1978		2685
1979	(async {	2686	(async {
1980	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
1981	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
1982	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
1983		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
1984	1;	2710	1
1985	}) {	2711	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
1987	. "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. "
1988	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2716
1991	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2718	$self->leave_link;
1993	}	2719	}
1994	})->prio (1);	2720	})->prio (1);
…		…
2010		2736
2011	utf8::encode $text;	2737	utf8::encode $text;
2012	$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);
2013	}	2739	}
2014		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
2015	=item $client->ext_event ($type, %msg)	2901	=item $client->ext_msg ($type, @msg)
2016		2902
2017	Sends an exti event to the client.	2903	Sends an ext event to the client.
2018		2904
2019	=cut	2905	=cut
2020		2906
2021	sub cf::client::ext_event($$%) {	2907	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	2908	my ($self, $type, @msg) = @_;
2023		2909
		2910	if ($self->extcmd == 2) {
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	2913	push @msg, msgtype => "event_$type";
2025	$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	}
2026	}	2934	}
2027		2935
2028	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
2029		2937
2030	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
2031	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>,
2032	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>.
2033		2941
2034	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
2035	reliable at some point in the future.	2943	become reliable at some point in the future.
2036		2944
2037	=cut	2945	=cut
2038		2946
2039	sub cf::client::query {	2947	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	2956	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		2958
2051	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
2053	}	2963	}
2054		2964
2055	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	},
2056	on_reply => sub {	2971	on_reply => sub {
2057	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
2058		2973
2059	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
2060	# get handled first	2975	# get handled first
…		…
2072	} else {	2987	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	2989	}
2075	}	2990	}
2076	},	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	},
2077	);	3018	);
2078		3019
2079	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
2080		3021
2081	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
2122	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2124		3065
2125	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2126		3067
2127	$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	));
2128		3073
2129	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2130		3075
2131	=pod	3076	=pod
2132		3077
2133	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2134		3079
2135	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
2136	cf::object::player player	3085	cf::object::player
2137	cf::player peaceful	3086	player
2138	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2139		3093
2140	=cut	3094	=cut
2141		3095
2142	for (	3096	for (
2143	["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)],
2144	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2146	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2147	) {	3103	) {
2148	no strict 'refs';	3104	no strict 'refs';
2149	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2150	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2167	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2168		3124
2169	my $qcode = $code;	3125	my $qcode = $code;
2170	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2171	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2172		3130
2173	local $_;	3131	local $_;
2174	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2175		3133
2176	my $eval =	3134	my $eval =
…		…
2219	=back	3177	=back
2220		3178
2221	=cut	3179	=cut
2222		3180
2223	#############################################################################	3181	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294
2295	#############################################################################
2296	# the server's init and main functions	3182	# the server's init and main functions
2297		3183
2298	sub load_facedata {	3184	sub load_facedata($) {
2299	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;
2300		3192
2301	warn "loading facedata from $path\n";	3193	warn "loading facedata from $path\n";
2302		3194
2303	my $faces;	3195	my $facedata;
2304	0 < aio_load $path, $faces	3196	0 < aio_load $path, $facedata
2305	or die "$path: $!";	3197	or die "$path: $!";
2306		3198
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	3199	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		3200
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3201	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		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
		3211	{
		3212	my $faces = $facedata->{faceinfo};
		3213
2315	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3216
		3217	cf::face::set_visibility $idx, $info->{visibility};
		3218	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2320	Coro::cede;
2321	}
2322		3221
		3222	cf::cede_to_tick;
		3223	}
		3224
2323	while (my ($face, $info) = each %$faces) {	3225	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3226	next unless $info->{smooth};
		3227
2325	my $idx = cf::face::find $face	3228	my $idx = cf::face::find $face
2326	or next;	3229	or next;
		3230
2327	if (my $smooth = cf::face::find $info->{smooth}) {	3231	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	3232	cf::face::set_smooth $idx, $smooth;
		3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329	} else {	3234	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	3236	}
2332	Coro::cede;	3237
		3238	cf::cede_to_tick;
		3239	}
		3240	}
		3241
2333	}	3242	{
		3243	my $anims = $facedata->{animinfo};
		3244
		3245	while (my ($anim, $info) = each %$anims) {
		3246	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3247	cf::cede_to_tick;
		3248	}
		3249
		3250	cf::anim::invalidate_all; # d'oh
		3251	}
		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);
2334		3287
2335	1	3288	1
2336	}	3289	}
2337		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
2338	sub reload_resources {	3358	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3359	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3360
2341	load_facedata	3361	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3362	reload_archetypes;
2343	}
2344
2345	sub init {
2346	reload_resources;	3363	reload_regions;
2347	}	3364	reload_treasures;
2348		3365
2349	sub cfg_load {	3366	warn "finished reloading resource files\n";
		3367	}
		3368
		3369	sub reload_config {
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	3371	or return;
2352		3372
2353	local $/;	3373	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2355		3375
2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2357		3377
2358	$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};
2359	$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};
…		…
2365	};	3385	};
2366	warn $@ if $@;	3386	warn $@ if $@;
2367	}	3387	}
2368	}	3388	}
2369		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
2370	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
2371	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2373	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#
2374	(async {	3436	(async {
2375	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2376	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2377	};	3440	};
2378		3441
2379	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
2380	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
2381	load_extensions;	3460	load_extensions;
2382		3461
2383	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2384	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;
2385	}	3471	}
2386		3472
2387	#############################################################################	3473	#############################################################################
2388	# initialisation and cleanup	3474	# initialisation and cleanup
2389		3475
2390	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2391	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2392	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2393	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2394	reentrant => 0,
2395	data => WF_AUTOCANCEL,
2396	signal => $signal,
2397	prio => 0,
2398	cb => sub {
2399	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
2400	},
2401	);	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
2402	}	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 };
2403	}	3570	}
2404		3571
2405	sub emergency_save() {	3572	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
2407		3574
2408	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
2409		3576
2410	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
2411	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
2412	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
2413	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
2414	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
2415	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
2416	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
2417	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418	$pl->save;	3591	$pl->save;
2419	}	3592	}
2420	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
2421		3594
2422	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
2423	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
2424	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
2425	$map->valid or next;	3598	$map->valid or next;
2426	$map->save;	3599	$map->save;
2427	}	3600	}
2428	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
2429		3602
2430	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
2431	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2432	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";
2433	};	3610	};
2434		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
2435	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
2436	}	3618	}
2437		3619
2438	sub post_cleanup {	3620	sub post_cleanup {
2439	my ($make_core) = @_;	3621	my ($make_core) = @_;
2440		3622
2441	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3624	if $make_core;
2443	}
2444		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 $pkg\n";#d#
		3654	}
		3655
2445	sub reload() {	3656	sub do_reload_perl() {
2446	# can/must only be called in main	3657	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
2449	return;	3660	return;
2450	}	3661	}
2451		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
2452	warn "reloading...";	3668	warn "reloading...";
2453		3669
2454	warn "entering sync_job";	3670	warn "entering sync_job";
2455		3671
2456	cf::sync_job {	3672	cf::sync_job {
2457	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
2458	cf::emergency_save;	3674	cf::emergency_save;
2459	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
2460		3676
2461	warn "syncing database to disk";	3677	warn "syncing database to disk";
2462	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
2463		3679
2464	# 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
2465		3681
2466	warn "cancelling all WF_AUTOCANCEL watchers";
2467	for (Event::all_watchers) {
2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2469	}
2470
2471	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
2472	for (;;) {
2473	BDB::flush;
2474	IO::AIO::flush;
2475	Coro::cede;
2476	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
2477	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2478	}
2479
2480	++$RELOAD;
2481
2482	warn "cancelling all extension coros";
2483	$_->cancel for values %EXT_CORO;
2484	%EXT_CORO = ();
2485
2486	warn "removing commands";
2487	%COMMAND = ();
2488
2489	warn "removing ext commands";
2490	%EXTCMD = ();
2491
2492	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";
2495
2496	if (my $cb = $pkg->can ("unload")) {
2497	eval {
2498	$cb->($pkg);
2499	1
2500	} or warn "$pkg unloaded, but with errors: $@";
2501	}	3685	}
2502		3686
2503	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
2504	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
2505	}	3689	%EXT_CORO = ();
2506		3690
2507	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
2508	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2510		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
2511	warn "... unloading $k";	3700	warn "... unloading $pkg";
2512	delete $INC{$k};
2513		3701
2514	$k =~ s/\.pm$//;
2515	$k =~ s/\//::/g;
2516
2517	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
2518	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
2519	}	3711	}
2520		3712
2521	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 $k;
2522	}	3728	}
2523		3729
2524	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
2525	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
2526	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);
2527		3733
2528	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
		3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2530		3737
2531	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3739	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
2534		3741
2535	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
2536		3743
2537	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
2538	require cf;	3745	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2540		3747
2541	warn "loading config and database again";	3748	warn "loading config and database again";
2542	cf::cfg_load;	3749	cf::reload_config;
2543		3750
2544	warn "loading extensions";	3751	warn "loading extensions";
2545	cf::load_extensions;	3752	cf::load_extensions;
2546		3753
		3754	if ($REATTACH_ON_RELOAD) {
2547	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
2548	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
2549	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
2553		3762
2554	warn "loading reloadable resources";	3763	warn "running post_init jobs";
2555	reload_resources;	3764	(pop @POST_INIT)->(1) while @POST_INIT;
2556		3765
2557	warn "leaving sync_job";	3766	warn "leaving sync_job";
2558		3767
2559	1	3768	1
2560	} or do {	3769	} or do {
2561	warn $@;	3770	warn $@;
2562	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
2563	exit 1;	3772	};
		3773
		3774	warn "reloaded";
		3775	--$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	};
2564	};	3795	};
2565		3796	}
2566	warn "reloaded";
2567	};
2568
2569	our $RELOAD_WATCHER; # used only during reload
2570		3797
2571	register_command "reload" => sub {	3798	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
2573		3800
2574	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
2576		3803	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	3804	$Coro::current->{desc} = "perl_reload";
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;	3805	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	3806	};
2589	}	3807	}
2590	};	3808	};
2591		3809
2592	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
2593		3811
2594	my $bug_warning = 0;	3812	my $bug_warning = 0;
2595		3813
2596	$TICK_WATCHER = Event->timer (	3814	our @WAIT_FOR_TICK;
2597	reentrant => 0,	3815	our @WAIT_FOR_TICK_BEGIN;
2598	parked => 1,	3816
2599	prio => 0,	3817	sub wait_for_tick {
2600	at => $NEXT_TICK || $TICK,	3818	return if tick_inhibit || $Coro::current == $Coro::main;
2601	data => WF_AUTOCANCEL,	3819
2602	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	$signal->wait;
		3831	}
		3832
		3833	sub tick {
2603	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
2606	return;	3837	return;
2607	}	3838	}
2608		3839
2609	$NOW = Event::time;
2610
2611	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
2612	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;
2614		3841
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617	Coro::async_pool {	3844	Coro::async_pool {
		3845	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	3846	write_runtime_sync
2619	or warn "ERROR: unable to write runtime file: $!";	3847	or warn "ERROR: unable to write runtime file: $!";
2620	};
2621	}	3848	};
2622
2623	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626	# my $AFTER = Event::time;
2627	# warn $AFTER - $NOW;#d#
2628
2629	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2631
2632	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;
2634	},	3849	}
2635	);	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	}
2636		3869
2637	{	3870	{
2638	BDB::max_poll_time $TICK * 0.1;	3871	# configure BDB
2639	$BDB_POLL_WATCHER = Event->io (	3872
2640	reentrant => 0,
2641	fd => BDB::poll_fileno,
2642	poll => 'r',
2643	prio => 0,
2644	data => WF_AUTOCANCEL,
2645	cb => \&BDB::poll_cb,
2646	);
2647	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
2648		3874	BDB::max_poll_reqs $TICK * 0.1;
2649	BDB::set_sync_prepare {	3875	$AnyEvent::BDB::WATCHER->priority (1);
2650	my $status;
2651	my $current = $Coro::current;
2652	(
2653	sub {
2654	$status = $!;
2655	$current->ready; undef $current;
2656	},
2657	sub {
2658	Coro::schedule while defined $current;
2659	$! = $status;
2660	},
2661	)
2662	};
2663		3876
2664	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
2665	$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);
2666		3884
2667	cf::sync_job {	3885	cf::sync_job {
2668	eval {	3886	eval {
2669	BDB::db_env_open	3887	BDB::db_env_open
2670	$DB_ENV,	3888	$DB_ENV,
2671	$BDB_ENV_DIR,	3889	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3892	0666;
2675		3893
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3894	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;
2680	};	3895	};
2681		3896
2682	cf::cleanup "db_env_open(db): $@" if $@;	3897	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	3898	};
2684	}	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	};
2685	}	3910	}
2686		3911
2687	{	3912	{
		3913	# configure IO::AIO
		3914
2688	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
2689
2690	undef $Coro::AIO::WATCHER;
2691	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
2692	$AIO_POLL_WATCHER = Event->io (	3917	undef $AnyEvent::AIO::WATCHER;
2693	reentrant => 0,
2694	data => WF_AUTOCANCEL,
2695	fd => IO::AIO::poll_fileno,
2696	poll => 'r',
2697	prio => 6,
2698	cb => \&IO::AIO::poll_cb,
2699	);
2700	}	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;
2701		3964
2702	END { cf::emergency_save }	3965	END { cf::emergency_save }
2703		3966
2704	1	3967	1
2705		3968

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