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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.234 by root, Thu Apr 5 13:44:31 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 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
36	$Event::Eval = 1; # no idea why this is required, but it is
37
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		76
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		78
45	our %COMMAND = ();	79	our %COMMAND = ();
46	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
47		81
48	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
52		87
53	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	89	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		90
57	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	92	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	109	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
67		118
68	our %CFG;	119	our %CFG;
69		120
70	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
72		124
73	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	127	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		128
82	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
85	binmode STDOUT;	141	binmode STDOUT;
86	binmode STDERR;	142	binmode STDERR;
87		143
88	# read virtual server time, if available	144	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
93	}	149	}
94		150
95	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	152
97	mkdir cf::localdir . "/" . cf::tmpdir;	153	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		155
102	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
103		157
104	sub cf::map::normalise;	158	sub cf::map::normalise;
105		159
…		…
116	=item $cf::RUNTIME	170	=item $cf::RUNTIME
117		171
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	172	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	173	every server tick.
120		174
121	=item $cf::LIBDIR	175	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		176	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		177	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		178
123	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	180	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		181	unique-items directory, player file directory, random maps directory and
		182	database environment.
125		183
126	=item $cf::NOW	184	=item $cf::NOW
127		185
128	The time of the last (current) server tick.	186	The time of the last (current) server tick.
129		187
130	=item $cf::TICK	188	=item $cf::TICK
131		189
132	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
133		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
134	=item %cf::CFG	202	=item %cf::CFG
135		203
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	205	from wherever your confdir points to.
138		206
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		208
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	209	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	210	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	211	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.	212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
145		218
146	=back	219	=back
147		220
148	=cut	221	=cut
149		222
150	BEGIN {	223	BEGIN {
151	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	225	my $msg = join "", @_;
153	utf8::encode $msg;
154		226
155	$msg .= "\n"	227	$msg .= "\n"
156	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
157		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
158	LOG llevError, $msg;	232	LOG llevError, $msg;
159	};	233	};
160	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
161		250
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		258
169	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	260	# within the Safe compartment.
171	for my $pkg (qw(	261	for my $pkg (qw(
172	cf::global cf::attachable	262	cf::global cf::attachable
173	cf::object cf::object::player	263	cf::object cf::object::player
174	cf::client cf::player	264	cf::client cf::player
175	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
176	cf::map cf::party cf::region	267	cf::party cf::region
177	)) {	268	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	270	}
181		271
182	$Event::DIED = sub {	272	$EV::DIED = sub {
183	warn "error in event callback: @_";	273	warn "error in event callback: @_";
184	};	274	};
		275
		276	#############################################################################
185		277
186	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
187		279
188	=over 4	280	=over 4
189		281
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	301	$d
210	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
211	}	303	}
212		304
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
216		306
217	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
218		308
219	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
220		310
221	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
222		312
		313	=cut
		314
		315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		316
		317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
		333
223	=item cf::lock_wait $string	334	=item cf::lock_wait $string
224		335
225	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
226		337
227	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
228		339
229	Wait until the given lock is available and then acquires it and returns	340	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,	341	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	342	for example when the coroutine gets canceled), the lock is automatically
232	returned.	343	returned.
233		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
234	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
236		350
237	=cut	351	=item $locked = cf::lock_active $string
238		352
239	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
240		358
241	sub lock_wait($) {	359	sub lock_wait($) {
242	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	361	}
250		362
251	sub lock_acquire($) {	363	sub lock_acquire($) {
252	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
253		366
254	# wait, to be sure we are not locked	367	sub lock_active($) {
255	lock_wait $key;	368	$LOCKS->count ($_[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	}	369	}
264		370
265	sub freeze_mainloop {	371	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
267		373
268	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	375	}
		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
270	};	435	}
271	$TICK_WATCHER->stop;	436	};
272	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
273	}	450	}
274		451
275	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
276		453
277	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		459
283	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
284		461
285	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
286		463
287	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
290		468
291	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
294	fast or be very important.	472	fast or be very important.
…		…
297		475
298	sub sync_job(&) {	476	sub sync_job(&) {
299	my ($job) = @_;	477	my ($job) = @_;
300		478
301	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
302	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
304		484
305	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	486
307	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
308		488
309	my $busy = 1;	489	my $busy = 1;
310	my @res;	490	my @res;
311		491
312	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	494	@res = eval { $job->() };
314	warn $@ if $@;	495	warn $@ if $@;
315	undef $busy;	496	undef $busy;
316	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
317		498
318	while ($busy) {	499	while ($busy) {
319	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
320	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
321		510
322	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
323	} else {	512	} else {
324	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
325		514
…		…
345	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
346		535
347	$coro	536	$coro
348	}	537	}
349		538
350	sub write_runtime {	539	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		540
353	my $runtime = cf::localdir . "/runtime";	541	Executes the given code block with the given arguments in a seperate
		542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
354		545
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	546	=cut
356	or return;
357		547
358	my $value = $cf::RUNTIME + 90 + 10;	548	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	549	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		550
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	# we seemingly have to make a local copy of the whole thing,
363	and return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
364		554
365	# always fsync - this file is important	555	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	556	reset_signals;
367	and return;	557	&$cb
		558	}, @args;
368		559
369	close $fh	560	wantarray ? @res : $res[-1]
370	or return;	561	}
371		562
372	aio_rename "$runtime~", $runtime	563	=item $coin = coin_from_name $name
373	and return;
374		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
375	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
376	}	715	}
377		716
378	=item cf::datalog type => key => value, ...	717	=item cf::datalog type => key => value, ...
379		718
380	Log a datalog packet of the given type with the given key-value pairs.	719	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		731
393	#############################################################################	732	#############################################################################
394		733
395	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
396		735
397	Many objects in crossfire are so-called attachable objects. That means you can	736	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")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
400		739
401	In the following description, CLASS can be any of C<global>, C<object>	740	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	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	742	Deliantra).
404		743
405	=over 4	744	=over 4
406		745
407	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
408		747
…		…
452	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
453		792
454	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
456		795
457	Some classes such as crossfire maps and objects can specify attachments	796	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.	797	that are attached at load/instantiate time, thus the need for a name.
459		798
460	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
461		800
462	=over 4	801	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
572		911
573	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		916
578	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	918	my $pkg = shift @arg;
580		919
581	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
611	}	950	}
612		951
613	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
614	} else {	953	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	955	}
617		956
618	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
619	}	958	}
620		959
…		…
622	if (ref $_[0]) {	961	if (ref $_[0]) {
623	_object_attach @_;	962	_object_attach @_;
624	} else {	963	} else {
625	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
626	}	965	}
		966	_recalc_want;
627	};	967	};
628		968
629	# all those should be optimised	969	# all those should be optimised
630	sub cf::attachable::detach {	970	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
635	reattach ($obj);	975	reattach ($obj);
636	} else {	976	} else {
637	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
638	}	978	}
		979	_recalc_want;
639	};	980	};
640		981
641	sub cf::attachable::attached {	982	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
643		984
…		…
658	";	999	";
659	die if $@;	1000	die if $@;
660	}	1001	}
661		1002
662	our $override;	1003	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1005
665	sub override {	1006	sub override {
666	$override = 1;	1007	$override = 1;
667	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
668	}	1009	}
669		1010
670	sub do_invoke {	1011	sub do_invoke {
671	my $event = shift;	1012	my $event = shift;
672	my $callbacks = shift;	1013	my $callbacks = shift;
673		1014
674	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
675		1016
676	local $override;	1017	local $override;
677		1018
678	for (@$callbacks) {	1019	for (@$callbacks) {
679	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
688	}	1029	}
689		1030
690	0	1031	0
691	}	1032	}
692		1033
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1035
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1037
697	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
698		1039
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	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	1041	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1043
703	=back	1044	=back
704		1045
705	=cut	1046	=cut
706		1047
707	#############################################################################	1048	#############################################################################
708	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
709		1092
710	sub reattach {	1093	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1095	my ($obj) = @_;
713		1096
		1097	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1099
716	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
717		1101
718	@$registry = ();	1102	@$registry = ();
719		1103
…		…
734	cf::attachable->attach (	1118	cf::attachable->attach (
735	prio => -1000000,	1119	prio => -1000000,
736	on_instantiate => sub {	1120	on_instantiate => sub {
737	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
738		1122
739	$data = from_json $data;	1123	$data = decode_json $data;
740		1124
741	for (@$data) {	1125	for (@$data) {
742	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
743		1127
744	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1144	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
762		1146
763	sync_job {	1147	sync_job {
764	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
767		1152
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	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;
		1158	aio_fsync $fh;
		1159	}
772	close $fh;	1160	aio_close $fh;
773		1161
774	if (@$objs) {	1162	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	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;
		1169	aio_fsync $fh;
		1170	}
780	close $fh;	1171	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
782	}	1173	}
783	} else {	1174	} else {
784	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
785	}	1176	}
786		1177
787	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1182	} else {
789	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
790	}	1184	}
791	} else {	1185	} else {
792	aio_unlink $filename;	1186	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
794	}	1188	}
795	}	1189	};
796	}	1190	}
797		1191
798	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
800		1194
…		…
812	or return;	1206	or return;
813		1207
814	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
816	or return;	1210	or return;
		1211
817	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
818	}	1214	}
819		1215
		1216	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1218	$decname, length $data, scalar @{$av || []};
		1219
822	return ($data, $av);	1220	($data, $av)
823	}	1221	}
		1222
		1223	=head2 COMMAND CALLBACKS
		1224
		1225	=over 4
		1226
		1227	=cut
824		1228
825	#############################################################################	1229	#############################################################################
826	# command handling &c	1230	# command handling &c
827		1231
828	=item cf::register_command $name => \&callback($ob,$args);	1232	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1245	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1246	}
843		1247
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1248	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1249
846	Register a callbackf ro execution when the client sends an extcmd packet.	1250	Register a callback for execution when the client sends an (synchronous)
		1251	extcmd packet. Ext commands will be processed in the order they are
		1252	received by the server, like other user commands. The first argument is
		1253	the logged-in player. Ext commands can only be processed after a player
		1254	has logged in successfully.
847		1255
848	If the callback returns something, it is sent back as if reply was being	1256	If the callback returns something, it is sent back as if reply was being
849	called.	1257	called.
850		1258
		1259	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1260
		1261	Register a callback for execution when the client sends an (asynchronous)
		1262	exticmd packet. Exti commands are processed by the server as soon as they
		1263	are received, i.e. out of order w.r.t. other commands. The first argument
		1264	is a client socket. Exti commands can be received anytime, even before
		1265	log-in.
		1266
		1267	If the callback returns something, it is sent back as if reply was being
		1268	called.
		1269
851	=cut	1270	=cut
852		1271
853	sub register_extcmd {	1272	sub register_extcmd {
854	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
855		1274
856	$EXTCMD{$name} = $cb;	1275	$EXTCMD{$name} = $cb;
857	}	1276	}
		1277
		1278	sub register_exticmd {
		1279	my ($name, $cb) = @_;
		1280
		1281	$EXTICMD{$name} = $cb;
		1282	}
		1283
		1284	use File::Glob ();
858		1285
859	cf::player->attach (	1286	cf::player->attach (
860	on_command => sub {	1287	on_command => sub {
861	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
862		1289
…		…
870	cf::override;	1297	cf::override;
871	},	1298	},
872	on_extcmd => sub {	1299	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
874		1301
875	my $msg = eval { from_json $buf };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1303
877	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
883	} else {	1319	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1321	}
886		1322
887	cf::override;	1323	cf::override;
888	},	1324	},
889	);	1325	);
890		1326
		1327	# "readahead" all extensions
891	sub load_extension {	1328	sub cache_extensions {
892	my ($path) = @_;	1329	my $grp = IO::AIO::aio_group;
893		1330
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1332	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1333	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	}	1334	}
919	die $@;
920	}	1335	};
921		1336
922	push @EXTS, $pkg;	1337	$grp
923	}	1338	}
924		1339
925	sub load_extensions {	1340	sub load_extensions {
		1341	cf::sync_job {
		1342	my %todo;
		1343
926	for my $ext (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1345	next unless -r $path;
928	eval {	1346
929	load_extension $ext;	1347	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1348	my $base = $1;
		1349	my $pkg = $1;
		1350	$pkg =~ s/[^[:word:]]/_/g;
		1351	$pkg = "ext::$pkg";
		1352
		1353	open my $fh, "<:utf8", $path
		1354	or die "$path: $!";
		1355
		1356	my $source = do { local $/; <$fh> };
		1357
		1358	my %ext = (
		1359	path => $path,
		1360	base => $base,
		1361	pkg => $pkg,
		1362	);
		1363
		1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1366
		1367	$ext{source} =
		1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1369	. "#line 1 \"$path\"\n{\n"
		1370	. $source
		1371	. "\n};\n1";
		1372
		1373	$todo{$base} = \%ext;
		1374	}
		1375
		1376	my %done;
		1377	while (%todo) {
		1378	my $progress;
		1379
		1380	while (my ($k, $v) = each %todo) {
		1381	for (split /,\s*/, $v->{meta}{depends}) {
		1382	goto skip
		1383	unless exists $done{$_};
		1384	}
		1385
		1386	warn "... loading '$k' into '$v->{pkg}'\n";
		1387
		1388	unless (eval $v->{source}) {
		1389	my $msg = $@ ? "$v->{path}: $@\n"
		1390	: "$v->{base}: extension inactive.\n";
		1391
		1392	if (exists $v->{meta}{mandatory}) {
		1393	warn $msg;
		1394	cf::cleanup "mandatory extension failed to load, exiting.";
		1395	}
		1396
		1397	warn $msg;
		1398	}
		1399
		1400	$done{$k} = delete $todo{$k};
		1401	push @EXTS, $v->{pkg};
		1402	$progress = 1;
930	1	1403	}
931	} or warn "$ext not loaded: $@";	1404
		1405	skip:
		1406	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1407	unless $progress;
		1408	}
932	}	1409	};
933	}	1410	}
934		1411
935	#############################################################################	1412	#############################################################################
936		1413
		1414	=back
		1415
937	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
938		1417
939	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
940		1419
941	=cut	1420	=cut
942		1421
943	package cf::player;	1422	package cf::player;
944		1423
…		…
946		1425
947	=head3 cf::player	1426	=head3 cf::player
948		1427
949	=over 4	1428	=over 4
950		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
		1443
951	=item cf::player::find $login	1444	=item cf::player::find $login
952		1445
953	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
954		1447
955	=cut	1448	=cut
956		1449
957	sub playerdir($) {	1450	sub playerdir($) {
958	cf::localdir	1451	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1452	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1453	}
964		1454
965	sub path($) {	1455	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1456	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1466
977	sub exists($) {	1467	sub exists($) {
978	my ($login) = @_;	1468	my ($login) = @_;
979		1469
980	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
982	}	1472	}
983		1473
984	sub find($) {	1474	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1476	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1486	aio_unlink +(playerdir $login) . "/$login.pl";
997		1487
998	my $pl = load_pl path $login	1488	my $f = new_from_file cf::object::thawer path $login
999	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
1000	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1001	}	1497	}
1002	}	1498	}
1003	}	1499	}
1004		1500
…		…
1013	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1014		1510
1015	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1017		1513
		1514	cf::get_slot 0.01;
		1515
1018	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1019	Coro::cede;	1517	cf::cede_to_tick;
1020	}	1518	}
1021		1519
1022	sub new($) {	1520	sub new($) {
1023	my ($login) = @_;	1521	my ($login) = @_;
1024		1522
…		…
1030	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1031		1529
1032	$self	1530	$self
1033	}	1531	}
1034		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1035	=item $pl->quit_character	1543	=item $pl->quit_character
1036		1544
1037	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1039		1547
…		…
1043	my ($pl) = @_;	1551	my ($pl) = @_;
1044		1552
1045	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1046		1554
1047	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1048	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1049		1557
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1053	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1054		1564
1055	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1086	while and may block, so not sync_job-capable, ever.	1596	while and may block, so not sync_job-capable, ever.
1087		1597
1088	=cut	1598	=cut
1089		1599
1090	sub list_logins {	1600	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1601	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1602	or return [];
1093		1603
1094	my @logins;	1604	my @logins;
1095		1605
1096	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1100		1616
1101	utf8::decode $login;	1617	utf8::decode $login;
1102	push @logins, $login;	1618	push @logins, $login;
1103	}	1619	}
1104		1620
…		…
1131	}	1647	}
1132		1648
1133	\@paths	1649	\@paths
1134	}	1650	}
1135		1651
		1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1653
		1654	Expand deliantra pod fragments into protocol xml.
		1655
1136	=item $player->ext_reply ($msgid, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1137		1657
1138	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1139		1659
1140	=cut	1660	=cut
1141		1661
1142	sub ext_reply($$%) {	1662	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1144		1664
1145	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1666	}
1149		1667
1150	=item $player->ext_event ($type, %msg)	1668	=item $player->ext_msg ($type, @msg)
1151		1669
1152	Sends an ext event to the client.	1670	Sends an ext event to the client.
1153		1671
1154	=cut	1672	=cut
1155		1673
1156	sub ext_event($$%) {	1674	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1675	my ($self, $type, @msg) = @_;
1158		1676
1159	$self->ns->ext_event ($type, %msg);	1677	$self->ns->ext_msg ($type, @msg);
1160	}	1678	}
1161		1679
1162	package cf;	1680	=head3 cf::region
		1681
		1682	=over 4
		1683
		1684	=cut
		1685
		1686	package cf::region;
		1687
		1688	=item cf::region::find_by_path $path
		1689
		1690	Tries to decuce the likely region for a map knowing only its path.
		1691
		1692	=cut
		1693
		1694	sub find_by_path($) {
		1695	my ($path) = @_;
		1696
		1697	my ($match, $specificity);
		1698
		1699	for my $region (list) {
		1700	if ($region->{match} && $path =~ $region->{match}) {
		1701	($match, $specificity) = ($region, $region->specificity)
		1702	if $region->specificity > $specificity;
		1703	}
		1704	}
		1705
		1706	$match
		1707	}
1163		1708
1164	=back	1709	=back
1165
1166		1710
1167	=head3 cf::map	1711	=head3 cf::map
1168		1712
1169	=over 4	1713	=over 4
1170		1714
…		…
1182	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1184		1728
1185	sub generate_random_map {	1729	sub generate_random_map {
1186	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1187	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1735	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1225	my ($self, $merge) = @_;	1772	my ($self, $merge) = @_;
1226		1773
1227	# we have to keep some variables in memory intact	1774	# we have to keep some variables in memory intact
1228	local $self->{path};	1775	local $self->{path};
1229	local $self->{load_path};	1776	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1777
1233	$self->SUPER::thawer_merge ($merge);	1778	$self->SUPER::thawer_merge ($merge);
1234	}	1779	}
1235		1780
1236	sub normalise {	1781	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1828	$self->init; # pass $1 etc.
1284	return $self;	1829	return $self;
1285	}	1830	}
1286	}	1831	}
1287		1832
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1833	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1834	()
1290	}	1835	}
1291		1836
1292	sub init {	1837	sub init {
1293	my ($self) = @_;	1838	my ($self) = @_;
…		…
1308		1853
1309	# the original (read-only) location	1854	# the original (read-only) location
1310	sub load_path {	1855	sub load_path {
1311	my ($self) = @_;	1856	my ($self) = @_;
1312		1857
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1858	"$MAPDIR/$self->{path}.map"
1314	}	1859	}
1315		1860
1316	# the temporary/swap location	1861	# the temporary/swap location
1317	sub save_path {	1862	sub save_path {
1318	my ($self) = @_;	1863	my ($self) = @_;
1319		1864
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1866	"$TMPDIR/$path.map"
1322	}	1867	}
1323		1868
1324	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1325	sub uniq_path {	1870	sub uniq_path {
1326	my ($self) = @_;	1871	my ($self) = @_;
1327		1872
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1874	"$UNIQUEDIR/$path"
1330	}	1875	}
1331		1876
1332	# and all this just because we cannot iterate over	1877	sub decay_objects {
1333	# all maps in C++...
1334	sub change_all_map_light {
1335	my ($change) = @_;	1878	my ($self) = @_;
1336		1879
1337	$_->change_map_light ($change)	1880	return if $self->{deny_reset};
1338	for grep $_->outdoor, values %cf::MAP;	1881
		1882	$self->do_decay_objects;
1339	}	1883	}
1340		1884
1341	sub unlink_save {	1885	sub unlink_save {
1342	my ($self) = @_;	1886	my ($self) = @_;
1343		1887
…		…
1348		1892
1349	sub load_header_from($) {	1893	sub load_header_from($) {
1350	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1351		1895
1352	utf8::encode $path;	1896	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1358		1905
1359	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1360		1907
1361	1	1908	1
1362	}	1909	}
…		…
1401	$self->load_header_orig	1948	$self->load_header_orig
1402	or return;	1949	or return;
1403	$self->prepare_orig;	1950	$self->prepare_orig;
1404	}	1951	}
1405		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
		1956	$self->default_region (cf::region::find_by_path $self->{path})
		1957	unless $self->default_region;
		1958
1406	1	1959	1
1407	}	1960	}
1408		1961
1409	sub find;	1962	sub find;
1410	sub find {	1963	sub find {
1411	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1412		1965
1413	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1414		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1416		1970
1417	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";
1419	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1420	or return;	1973	or return;
1421		1974
1422	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1423		1976
1424	$map->load_header	1977	$map->load_header
1425	or return;	1978	or return;
1426		1979
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1430	$map->reset;	1985	$map->reset;
1431	undef $guard;
1432	return find $path;	1986	return find $path;
1433	}	1987	}
1434		1988
1435	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1436	}	1990	}
…		…
1443	my ($self) = @_;	1997	my ($self) = @_;
1444		1998
1445	local $self->{deny_reset} = 1; # loading can take a long time	1999	local $self->{deny_reset} = 1; # loading can take a long time
1446		2000
1447	my $path = $self->{path};	2001	my $path = $self->{path};
		2002
		2003	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1449		2005
		2006	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2008
1452	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1453		2010
1454	$self->alloc;	2011	$self->alloc;
1455		2012
1456	$self->pre_load;	2013	$self->pre_load;
		2014	cf::cede_to_tick;
1457		2015
1458	$self->_load_objects ($self->{load_path}, 1)	2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
		2018	$self->_load_objects ($f)
1459	or return;	2019	or return;
1460		2020
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1462	if delete $self->{load_original};	2022	if delete $self->{load_original};
1463		2023
1464	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2025	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2028	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1469	}	2032	}
1470	}	2033	}
1471		2034
1472	Coro::cede;	2035	$f->resolve_delayed_derefs;
1473		2036
		2037	cf::cede_to_tick;
1474	# now do the right thing for maps	2038	# now do the right thing for maps
1475	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2041	unless $self->difficulty;
1485	Coro::cede;	2042	cf::cede_to_tick;
		2043
		2044	unless ($self->{deny_activate}) {
		2045	$self->decay_objects;
		2046	$self->fix_auto_apply;
		2047	$self->update_buttons;
		2048	cf::cede_to_tick;
1486	$self->activate;	2049	$self->activate;
		2050	}
		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
		2055	$self->in_memory (cf::MAP_ACTIVE);
1487	}	2056	}
1488		2057
1489	$self->post_load;	2058	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2059	}
1493		2060
1494	sub customise_for {	2061	sub customise_for {
1495	my ($self, $ob) = @_;	2062	my ($self, $ob) = @_;
1496		2063
1497	return find "~" . $ob->name . "/" . $self->{path}	2064	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2065	if $self->per_player;
1499		2066
		2067	# return find "?party/" . $ob->name . "/" . $self->{path}
		2068	# if $self->per_party;
		2069
1500	$self	2070	$self
1501	}	2071	}
1502		2072
1503	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2074	sub load_neighbours {
1505	my ($map) = @_;	2075	my ($map) = @_;
1506		2076
1507	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1508		2078
1509	for (0 .. 3) {	2079	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1511	or next;	2081	or next;
1512	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1513	or next;	2083	or next;
1514	$neigh->load;	2084	$neigh->load;
1515		2085
		2086	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2089	}
1519		2090
1520	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1522	or next;	2094	or next;
1523	$neigh->load;	2095	$neigh->load;
1524	}	2096	}
1525	}	2097	}
1526		2098
…		…
1531	}	2103	}
1532		2104
1533	sub do_load_sync {	2105	sub do_load_sync {
1534	my ($map) = @_;	2106	my ($map) = @_;
1535		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1536	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1537	}	2112	}
1538		2113
1539	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2115	our $MAP_PREFETCHER = undef;
1541		2116
1542	sub find_async {	2117	sub find_async {
1543	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1544		2119
1545	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1546		2121
1547	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2124	}
1550		2125
1551	undef $MAP_PREFETCH{$path};	2126	$MAP_PREFETCH{$path} |= $load;
		2127
1552	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
1553	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2133	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2134	$map->load if $v;
		2135	}
1558		2136
1559	delete $MAP_PREFETCH{$path};	2137	delete $MAP_PREFETCH{$k};
1560	}	2138	}
1561	}	2139	}
1562	undef $MAP_PREFETCHER;	2140	undef $MAP_PREFETCHER;
1563	};	2141	};
1564	$MAP_PREFETCHER->prio (6);	2142	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2145	}
1568		2146
1569	sub save {	2147	sub save {
1570	my ($self) = @_;	2148	my ($self) = @_;
1571		2149
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2151
1574	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1575		2153
1576	return unless $self->dirty;	2154	return unless $self->dirty;
1577		2155
…		…
1583	return if $self->{deny_save};	2161	return if $self->{deny_save};
1584		2162
1585	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1586		2164
1587	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1589	};	2168	};
		2169
		2170	cf::get_slot 0.02;
1590		2171
1591	if ($uniq) {	2172	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2175	} else {
…		…
1600	my ($self) = @_;	2181	my ($self) = @_;
1601		2182
1602	# save first because save cedes	2183	# save first because save cedes
1603	$self->save;	2184	$self->save;
1604		2185
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2187
1607	return if $self->players;	2188	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1609	return if $self->{deny_save};	2190	return if $self->{deny_save};
1610		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2196	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2197	}
1614		2198
1615	sub reset_at {	2199	sub reset_at {
1616	my ($self) = @_;	2200	my ($self) = @_;
1617		2201
1618	# TODO: safety, remove and allow resettable per-player maps	2202	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2203	return 1e99 if $self->{deny_reset};
1621		2204
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2205	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2206	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2207
…		…
1635	my ($self) = @_;	2218	my ($self) = @_;
1636		2219
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2221
1639	return if $self->players;	2222	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2223
1642	warn "resetting map ", $self->path;#d#	2224	warn "resetting map ", $self->path;
1643		2225
1644	$self->in_memory (cf::MAP_SWAPPED);	2226	$self->in_memory (cf::MAP_SWAPPED);
1645		2227
1646	# need to save uniques path	2228	# need to save uniques path
1647	unless ($self->{deny_save}) {	2229	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2233	if $uniq;
1652	}	2234	}
1653		2235
1654	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
1655		2237
		2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2240	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2241
1660	$self->unlink_save;	2242	$self->unlink_save;
1661	$self->destroy;	2243	$self->destroy;
1662	}	2244	}
1663		2245
1664	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
1665		2247
1666	sub nuke {	2248	sub nuke {
1667	my ($self) = @_;	2249	my ($self) = @_;
1668		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
1669	delete $cf::MAP{$self->path};	2254	delete $cf::MAP{$self->path};
1670		2255
1671	$self->unlink_save;	2256	$self->unlink_save;
1672		2257
1673	bless $self, "cf::map";	2258	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2259	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2263
1679	$cf::MAP{$self->path} = $self;	2264	$cf::MAP{$self->path} = $self;
		2265	}
1680		2266
1681	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
		2268	}
		2269
		2270	=item $maps = cf::map::tmp_maps
		2271
		2272	Returns an arrayref with all map paths of currently instantiated and saved
		2273	maps. May block.
		2274
		2275	=cut
		2276
		2277	sub tmp_maps() {
		2278	[
		2279	map {
		2280	utf8::decode $_;
		2281	/\.map$/
		2282	? normalise $_
		2283	: ()
		2284	} @{ aio_readdir $TMPDIR or [] }
		2285	]
		2286	}
		2287
		2288	=item $maps = cf::map::random_maps
		2289
		2290	Returns an arrayref with all map paths of currently instantiated and saved
		2291	random maps. May block.
		2292
		2293	=cut
		2294
		2295	sub random_maps() {
		2296	[
		2297	map {
		2298	utf8::decode $_;
		2299	/\.map$/
		2300	? normalise "?random/$_"
		2301	: ()
		2302	} @{ aio_readdir $RANDOMDIR or [] }
		2303	]
1682	}	2304	}
1683		2305
1684	=item cf::map::unique_maps	2306	=item cf::map::unique_maps
1685		2307
1686	Returns an arrayref of paths of all shared maps that have	2308	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2309	instantiated unique items. May block.
1688		2310
1689	=cut	2311	=cut
1690		2312
1691	sub unique_maps() {	2313	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2314	[
1693	or return;	2315	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2316	utf8::decode $_;
1699	next if /\.pst$/;	2317	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2319	? ()
1702	push @paths, cf::map::normalise $_;	2320	: normalise $_
		2321	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2322	]
1704
1705	\@paths
1706	}	2323	}
1707
1708	package cf;
1709		2324
1710	=back	2325	=back
1711		2326
1712	=head3 cf::object	2327	=head3 cf::object
1713		2328
…		…
1717		2332
1718	=over 4	2333	=over 4
1719		2334
1720	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
1721		2336
1722	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
1723		2339
1724	=cut	2340	=cut
1725		2341
1726	sub inv_recursive_;	2342	sub inv_recursive_;
1727	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
1730		2346
1731	sub inv_recursive {	2347	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
1733	}	2349	}
1734		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
1735	package cf;	2379	package cf;
1736		2380
1737	=back	2381	=back
1738		2382
1739	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
1745	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1746	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
1747	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
1748		2392
1749	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
1750		2408
1751	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2410	# with dialog boxes.
1753	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
1754	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
1756		2414
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2415	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2416
1759	if ($self->{record_replies}) {	2417	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2418	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2419
1761	} else {	2420	} else {
		2421	my $pl = $self->contr;
		2422
		2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2424	my $dialog = $pl->{npc_dialog};
		2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2426
		2427	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2430	}
1764	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
1765	}	2442	}
1766		2443
1767	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
1768		2445
1769	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
1782		2459
1783	=item $player_object->enter_link	2460	=item $player_object->enter_link
1784		2461
1785	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
1786		2463
1787	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
1788	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
1789		2468
1790	Will never block.	2469	Will never block.
1791		2470
1792	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
1793		2472
…		…
1816	$self->deactivate_recursive;	2495	$self->deactivate_recursive;
1817		2496
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2497	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2498
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2500	if $self->map && $self->map->{path} ne "{link}";
1822		2501
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2502	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2503	}
1825		2504
1826	sub cf::object::player::leave_link {	2505	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2506	my ($self, $map, $x, $y) = @_;
		2507
		2508	return unless $self->contr->active;
1828		2509
1829	my $link_pos = delete $self->{_link_pos};	2510	my $link_pos = delete $self->{_link_pos};
1830		2511
1831	unless ($map) {	2512	unless ($map) {
1832	# restore original map position	2513	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
1849		2530
1850	$map->load;	2531	$map->load;
1851	$map->load_diag;	2532	$map->load_neighbours;
1852		2533
1853	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1854	$self->activate_recursive;	2536	$self->activate_recursive;
1855		2537
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
1858	}	2540	}
1859		2541
1860	cf::player->attach (	2542	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2543
1864	# abort map switching before logout	2544	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2545	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2546	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2547	the new (success) or old (failed) map position. In either case, $done will
1868	};	2548	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2549
1874	# try to abort aborted map switching on player login :)	2550	Note that $check will be called with a potentially non-loaded map, so if
1875	# should happen only on crashes	2551	it needs a loaded map it has to call C<< ->load >>.
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2552
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1895		2556
1896	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2562
1899	$self->enter_link;	2563	$self->enter_link;
1900		2564
1901	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1902	my $map = eval {	2587	my $map = eval {
1903	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
		2592	$map = $check->($map) if $check && $map;
		2593	} else {
		2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
		2596
1905	$map	2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2603	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1910	})->prio (1);	2611	})->prio (1);
1911	}	2612	}
1912		2613
1913	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1914		2615
…		…
1934	}	2635	}
1935		2636
1936	sub prepare_random_map {	2637	sub prepare_random_map {
1937	my ($exit) = @_;	2638	my ($exit) = @_;
1938		2639
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2642	# that depends on the exit object
1944		2643
1945	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2646	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
1952	}	2653	}
1953		2654
1954	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1955		2656
1956	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
1959		2660
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2663	undef $fh;
1963	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
1964		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
1967	}	2672	}
1968	}	2673	}
1969		2674
1970	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
1972		2677
1973	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
1974		2679
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2680	$self->enter_link;
1987		2681
1988	(async {	2682	(async {
1989	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
1990	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
1991	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
1992		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
1993	1;	2706	1
1994	}) {	2707	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
1997	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2712
2000	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2019		2732
2020	utf8::encode $text;	2733	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2735	}
2023		2736
		2737	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2738
		2739	Send a drawinfo or msg packet to the client, formatting the msg for the
		2740	client if neccessary. C<$type> should be a string identifying the type of
		2741	the message, with C<log> being the default. If C<$color> is negative, suppress
		2742	the message unless the client supports the msg packet.
		2743
		2744	=cut
		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
		2848	sub cf::client::send_msg {
		2849	my ($self, $channel, $msg, $color, @extra) = @_;
		2850
		2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
		2853
		2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel);
		2868	}
		2869
		2870	$channel = $channel->{id};
		2871	}
		2872
		2873	return unless @extra || length $msg;
		2874
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
		2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2882	);
		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
2024	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2025		2898
2026	Sends an exti event to the client.	2899	Sends an ext event to the client.
2027		2900
2028	=cut	2901	=cut
2029		2902
2030	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2032		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2035	}	2930	}
2036		2931
2037	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2038		2933
2039	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2937
2043	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2939	become reliable at some point in the future.
2045		2940
2046	=cut	2941	=cut
2047		2942
2048	sub cf::client::query {	2943	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2952	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2954
2060	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2062	}	2959	}
2063		2960
2064	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2065	on_reply => sub {	2967	on_reply => sub {
2066	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2067		2969
2068	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2069	# get handled first	2971	# get handled first
…		…
2081	} else {	2983	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2985	}
2084	}	2986	}
2085	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2086	);	3014	);
2087		3015
2088	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2089		3017
2090	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2133		3061
2134	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2135		3063
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2137		3069
2138	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2139		3071
2140	=pod	3072	=pod
2141		3073
2142	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2143		3075
2144	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079	value
		3080
2145	cf::object::player player	3081	cf::object::player
2146	cf::player peaceful	3082	player
2147	cf::map trigger	3083
		3084	cf::player
		3085	peaceful
		3086
		3087	cf::map
		3088	trigger
2148		3089
2149	=cut	3090	=cut
2150		3091
2151	for (	3092	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2153	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2155	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2156	) {	3099	) {
2157	no strict 'refs';	3100	no strict 'refs';
2158	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2159	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2176	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2177		3120
2178	my $qcode = $code;	3121	my $qcode = $code;
2179	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2180	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2181		3126
2182	local $_;	3127	local $_;
2183	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2184		3129
2185	my $eval =	3130	my $eval =
…		…
2228	=back	3173	=back
2229		3174
2230	=cut	3175	=cut
2231		3176
2232	#############################################################################	3177	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	3178	# the server's init and main functions
2306		3179
2307	sub load_facedata {	3180	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3188
2310	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2311		3190
2312	my $faces;	3191	my $facedata;
2313	0 < aio_load $path, $faces	3192	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3193	or die "$path: $!";
2315		3194
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	3195	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3196
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	3197	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
		3207	{
		3208	my $faces = $facedata->{faceinfo};
		3209
2324	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3212
		3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2329	Coro::cede;
2330	}
2331		3217
		3218	cf::cede_to_tick;
		3219	}
		3220
2332	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2334	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2335	or next;	3225	or next;
		3226
2336	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
2337	cf::face::set_smooth $idx, $smooth;	3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2338	} else {	3230	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}	3232	}
2341	Coro::cede;	3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
2342	}	3238	{
		3239	my $anims = $facedata->{animinfo};
		3240
		3241	while (my ($anim, $info) = each %$anims) {
		3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3243	cf::cede_to_tick;
		3244	}
		3245
		3246	cf::anim::invalidate_all; # d'oh
		3247	}
		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2343		3283
2344	1	3284	1
2345	}	3285	}
2346		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
2347	sub reload_resources {	3354	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3355	warn "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	3356
2350	load_facedata	3357	reload_facedata;
2351	or die "unable to load facedata\n";#d#	3358	reload_archetypes;
2352	}
2353
2354	sub init {
2355	reload_resources;	3359	reload_regions;
2356	}	3360	reload_treasures;
2357		3361
2358	sub cfg_load {	3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2359	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2360	or return;	3367	or return;
2361		3368
2362	local $/;	3369	local $/;
2363	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2364		3371
2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2366		3373
2367	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2368	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2374	};	3381	};
2375	warn $@ if $@;	3382	warn $@ if $@;
2376	}	3383	}
2377	}	3384	}
2378		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2379	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2380	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2381	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383	(async {	3423	(async {
2384	Event::one_event;	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
2385	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
2386	};	3427	};
2387		3428
2388	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
2389	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2390	load_extensions;	3447	load_extensions;
2391		3448
2392	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2393	Event::loop;	3457	EV::loop;
2394	}	3458	}
2395		3459
2396	#############################################################################	3460	#############################################################################
2397	# initialisation and cleanup	3461	# initialisation and cleanup
2398		3462
2399	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2400	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2401	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2402	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2403	reentrant => 0,
2404	data => WF_AUTOCANCEL,
2405	signal => $signal,
2406	prio => 0,
2407	cb => sub {
2408	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2409	},
2410	);	3469	};
		3470	}
		3471	}
		3472
		3473	sub write_runtime_sync {
		3474	# first touch the runtime file to show we are still running:
		3475	# the fsync below can take a very very long time.
		3476
		3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3478
		3479	my $guard = cf::lock_acquire "write_runtime";
		3480
		3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3482	or return;
		3483
		3484	my $value = $cf::RUNTIME + 90 + 10;
		3485	# 10 is the runtime save interval, for a monotonic clock
		3486	# 60 allows for the watchdog to kill the server.
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	# touch it again to show we are up-to-date
		3496	aio_utime $fh, undef, undef;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3502	and return;
		3503
		3504	warn "runtime file written.\n";
		3505
2411	}	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
2412	}	3557	}
2413		3558
2414	sub emergency_save() {	3559	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
2416		3561
2417	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
2418		3563
2419	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
2420	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
2421	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
2422	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
2423	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
2424	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
2425	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
2426	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427	$pl->save;	3578	$pl->save;
2428	}	3579	}
2429	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
2430		3581
2431	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
2432	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
2433	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
2434	$map->valid or next;	3585	$map->valid or next;
2435	$map->save;	3586	$map->save;
2436	}	3587	}
2437	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
2438		3589
2439	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
2440	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
2441	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
2442	};	3597	};
2443		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
2444	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
2445	}	3605	}
2446		3606
2447	sub post_cleanup {	3607	sub post_cleanup {
2448	my ($make_core) = @_;	3608	my ($make_core) = @_;
2449		3609
2450	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	3611	if $make_core;
2452	}
2453		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
		3641	}
		3642
2454	sub reload() {	3643	sub do_reload_perl() {
2455	# can/must only be called in main	3644	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2457	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
2458	return;	3647	return;
2459	}	3648	}
2460		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2461	warn "reloading...";	3655	warn "reloading...";
2462		3656
2463	warn "entering sync_job";	3657	warn "entering sync_job";
2464		3658
2465	cf::sync_job {	3659	cf::sync_job {
2466	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
2467	cf::emergency_save;	3661	cf::emergency_save;
2468	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
2469		3663
2470	warn "syncing database to disk";	3664	warn "syncing database to disk";
2471	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
2472		3666
2473	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
2474		3668
2475	warn "cancelling all WF_AUTOCANCEL watchers";
2476	for (Event::all_watchers) {
2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2478	}
2479
2480	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
2481	for (;;) {
2482	BDB::flush;
2483	IO::AIO::flush;
2484	Coro::cede;
2485	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
2486	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2487	}
2488
2489	++$RELOAD;
2490
2491	warn "cancelling all extension coros";
2492	$_->cancel for values %EXT_CORO;
2493	%EXT_CORO = ();
2494
2495	warn "removing commands";
2496	%COMMAND = ();
2497
2498	warn "removing ext commands";
2499	%EXTCMD = ();
2500
2501	warn "unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";
2504
2505	if (my $cb = $pkg->can ("unload")) {
2506	eval {
2507	$cb->($pkg);
2508	1
2509	} or warn "$pkg unloaded, but with errors: $@";
2510	}	3672	}
2511		3673
2512	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
2513	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
2514	}	3676	%EXT_CORO = ();
2515		3677
2516	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
2517	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2519		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
2520	warn "... unloading $k";	3687	warn "... unloading $pkg";
2521	delete $INC{$k};
2522		3688
2523	$k =~ s/\.pm$//;
2524	$k =~ s/\//::/g;
2525
2526	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
2527	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
2528	}	3698	}
2529		3699
2530	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
2531	}	3715	}
2532		3716
2533	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
2534	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536		3720
2537	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
		3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2539		3724
2540	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3726	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
2543		3728
2544	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
2545		3730
2546	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
2547	require cf;	3732	require cf;
2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2549		3734
2550	warn "loading config and database again";	3735	warn "loading config and database again";
2551	cf::cfg_load;	3736	cf::reload_config;
2552		3737
2553	warn "loading extensions";	3738	warn "loading extensions";
2554	cf::load_extensions;	3739	cf::load_extensions;
2555		3740
		3741	if ($REATTACH_ON_RELOAD) {
2556	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
2557	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
2558	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
2562		3749
2563	warn "loading reloadable resources";	3750	warn "running post_init jobs";
2564	reload_resources;	3751	(pop @POST_INIT)->(1) while @POST_INIT;
2565		3752
2566	warn "leaving sync_job";	3753	warn "leaving sync_job";
2567		3754
2568	1	3755	1
2569	} or do {	3756	} or do {
2570	warn $@;	3757	warn $@;
2571	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
2572	exit 1;	3759	};
		3760
		3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
		3767	};
		3768
		3769	our $RELOAD_WATCHER; # used only during reload
		3770
		3771	sub reload_perl() {
		3772	# doing reload synchronously and two reloads happen back-to-back,
		3773	# coro crashes during coro_state_free->destroy here.
		3774
		3775	$RELOAD_WATCHER ||= cf::async {
		3776	Coro::AIO::aio_wait cache_extensions;
		3777
		3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3779	do_reload_perl;
		3780	undef $RELOAD_WATCHER;
		3781	};
2573	};	3782	};
2574		3783	}
2575	warn "reloaded";
2576	};
2577
2578	our $RELOAD_WATCHER; # used only during reload
2579		3784
2580	register_command "reload" => sub {	3785	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
2582		3787
2583	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	3789	$who->message ("reloading server.");
2585		3790	async {
2586	# doing reload synchronously and two reloads happen back-to-back,	3791	$Coro::current->{desc} = "perl_reload";
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;	3792	reload_perl;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);	3793	};
2598	}	3794	}
2599	};	3795	};
2600		3796
2601	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
2602		3798
2603	my $bug_warning = 0;	3799	my $bug_warning = 0;
2604		3800
2605	$TICK_WATCHER = Event->timer (	3801	our @WAIT_FOR_TICK;
2606	reentrant => 0,	3802	our @WAIT_FOR_TICK_BEGIN;
2607	parked => 1,	3803
2608	prio => 0,	3804	sub wait_for_tick {
2609	at => $NEXT_TICK || $TICK,	3805	return if tick_inhibit || $Coro::current == $Coro::main;
2610	data => WF_AUTOCANCEL,	3806
2611	cb => sub {	3807	my $signal = new Coro::Signal;
		3808	push @WAIT_FOR_TICK, $signal;
		3809	$signal->wait;
		3810	}
		3811
		3812	sub wait_for_tick_begin {
		3813	return if tick_inhibit || $Coro::current == $Coro::main;
		3814
		3815	my $signal = new Coro::Signal;
		3816	push @WAIT_FOR_TICK_BEGIN, $signal;
		3817	$signal->wait;
		3818	}
		3819
		3820	sub tick {
2612	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
2615	return;	3824	return;
2616	}	3825	}
2617		3826
2618	$NOW = Event::time;
2619
2620	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
2621	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;
2623		3828
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626	Coro::async_pool {	3831	Coro::async_pool {
		3832	$Coro::current->{desc} = "runtime saver";
2627	write_runtime	3833	write_runtime_sync
2628	or warn "ERROR: unable to write runtime file: $!";	3834	or warn "ERROR: unable to write runtime file: $!";
2629	};
2630	}	3835	};
2631
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#
2637
2638	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2640
2641	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;
2643	},	3836	}
2644	);	3837
		3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3839	$sig->send;
		3840	}
		3841	while (my $sig = shift @WAIT_FOR_TICK) {
		3842	$sig->send;
		3843	}
		3844
		3845	$LOAD = ($NOW - $TICK_START) / $TICK;
		3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3847
		3848	if (0) {
		3849	if ($NEXT_TICK) {
		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
		3854	}
		3855	}
2645		3856
2646	{	3857	{
2647	BDB::max_poll_time $TICK * 0.1;	3858	# configure BDB
2648	$BDB_POLL_WATCHER = Event->io (	3859
2649	reentrant => 0,
2650	fd => BDB::poll_fileno,
2651	poll => 'r',
2652	prio => 0,
2653	data => WF_AUTOCANCEL,
2654	cb => \&BDB::poll_cb,
2655	);
2656	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
2657		3861	BDB::max_poll_reqs $TICK * 0.1;
2658	BDB::set_sync_prepare {	3862	$AnyEvent::BDB::WATCHER->priority (1);
2659	my $status;
2660	my $current = $Coro::current;
2661	(
2662	sub {
2663	$status = $!;
2664	$current->ready; undef $current;
2665	},
2666	sub {
2667	Coro::schedule while defined $current;
2668	$! = $status;
2669	},
2670	)
2671	};
2672		3863
2673	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
2674	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2675		3871
2676	cf::sync_job {	3872	cf::sync_job {
2677	eval {	3873	eval {
2678	BDB::db_env_open	3874	BDB::db_env_open
2679	$DB_ENV,	3875	$DB_ENV,
2680	$BDB_ENV_DIR,	3876	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	3879	0666;
2684		3880
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;
2689	};	3882	};
2690		3883
2691	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
2692	};	3885	};
2693	}	3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
2694	}	3897	}
2695		3898
2696	{	3899	{
		3900	# configure IO::AIO
		3901
2697	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
2698
2699	undef $Coro::AIO::WATCHER;
2700	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
2701	$AIO_POLL_WATCHER = Event->io (	3904	undef $AnyEvent::AIO::WATCHER;
2702	reentrant => 0,
2703	data => WF_AUTOCANCEL,
2704	fd => IO::AIO::poll_fileno,
2705	poll => 'r',
2706	prio => 6,
2707	cb => \&IO::AIO::poll_cb,
2708	);
2709	}	3905	}
		3906
		3907	my $_log_backtrace;
		3908
		3909	sub _log_backtrace {
		3910	my ($msg, @addr) = @_;
		3911
		3912	$msg =~ s/\n//;
		3913
		3914	# limit the # of concurrent backtraces
		3915	if ($_log_backtrace < 2) {
		3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
		3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
		3921	my @bt = fork_call {
		3922	@addr = map { sprintf "%x", $_ } @addr;
		3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3925	or die "addr2line: $!";
		3926
		3927	my @funcs;
		3928	my @res = <$fh>;
		3929	chomp for @res;
		3930	while (@res) {
		3931	my ($func, $line) = splice @res, 0, 2, ();
		3932	push @funcs, "[$func] $line";
		3933	}
		3934
		3935	@funcs
		3936	};
		3937
		3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3940	LOG llevInfo, "[ABT] $_\n" for @bt;
		3941	--$_log_backtrace;
		3942	};
		3943	} else {
		3944	LOG llevInfo, "[ABT] $msg\n";
		3945	LOG llevInfo, "[ABT] [suppressed]\n";
		3946	}
		3947	}
		3948
		3949	# load additional modules
		3950	require "cf/$_.pm" for @EXTRA_MODULES;
2710		3951
2711	END { cf::emergency_save }	3952	END { cf::emergency_save }
2712		3953
2713	1	3954	1
2714		3955

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