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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.477 by root, Wed Sep 2 22:52:36 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;	56	use Digest::MD5;
25	use Fcntl;	57	use Fcntl;
26	use YAML::Syck ();	58	use YAML ();
27	use IO::AIO 2.32 ();	59	use IO::AIO ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
30		65
31	# configure various modules to our taste	66	# configure various modules to our taste
32	#	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		76
36	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
37		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		79
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		81
45	our %COMMAND = ();	82	our %COMMAND = ();
46	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
47		84
48	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
52		90
53	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	92	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		93
57	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	95	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	96	our $LIBDIR = "$DATADIR/ext";
		97	our $PODDIR = "$DATADIR/pod";
		98	our $MAPDIR = "$DATADIR/" . mapdir;
		99	our $LOCALDIR = localdir;
		100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		103	our $RANDOMDIR = "$LOCALDIR/random";
		104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
		109
		110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	112	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
67		121
68	our %CFG;	122	our %CFG;
69		123
70	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
72		127
73	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		131
82	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
85	binmode STDOUT;	145	binmode STDOUT;
86	binmode STDERR;	146	binmode STDERR;
87		147
88	# read virtual server time, if available	148	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
93	}	153	}
94		154
95	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	156
97	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		159
102	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
103		161
104	sub cf::map::normalise;	162	sub cf::map::normalise;
105		163
…		…
116	=item $cf::RUNTIME	174	=item $cf::RUNTIME
117		175
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	176	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	177	every server tick.
120		178
121	=item $cf::LIBDIR	179	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		180	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		181	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		182
123	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	184	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		185	unique-items directory, player file directory, random maps directory and
		186	database environment.
125		187
126	=item $cf::NOW	188	=item $cf::NOW
127		189
128	The time of the last (current) server tick.	190	The time of the last (current) server tick.
129		191
130	=item $cf::TICK	192	=item $cf::TICK
131		193
132	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
133		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
134	=item %cf::CFG	206	=item %cf::CFG
135		207
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	209	from wherever your confdir points to.
138		210
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		212
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	214	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
145		222
146	=back	223	=back
147		224
148	=cut	225	=cut
149		226
150	BEGIN {	227	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	228	my $msg = join "", @_;
153	utf8::encode $msg;
154		229
155	$msg .= "\n"	230	$msg .= "\n"
156	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
157		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
158	LOG llevError, $msg;	235	LOG llevError, $msg;
159	};	236	};
160	}	237
		238	$Coro::State::DIEHOOK = sub {
		239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	Coro::terminate
		250	};
161		251
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	256	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		257	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	258	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		259
169	# we bless all objects into (empty) derived classes to force a method lookup	260	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	261	# within the Safe compartment.
171	for my $pkg (qw(	262	for my $pkg (qw(
172	cf::global cf::attachable	263	cf::global cf::attachable
173	cf::object cf::object::player	264	cf::object cf::object::player
174	cf::client cf::player	265	cf::client cf::player
175	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
176	cf::map cf::party cf::region	268	cf::party cf::region
177	)) {	269	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	271	}
181		272
182	$Event::DIED = sub {	273	$EV::DIED = sub {
183	warn "error in event callback: @_";	274	warn "error in event callback: @_";
184	};	275	};
		276
		277	#############################################################################
185		278
186	=head2 UTILITY FUNCTIONS	279	=head2 UTILITY FUNCTIONS
187		280
188	=over 4	281	=over 4
189		282
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	301	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	302	$d
210	} || "[unable to dump $_[0]: '$@']";	303	} || "[unable to dump $_[0]: '$@']";
211	}	304	}
212		305
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	306	=item $ref = cf::decode_json $json
216		307
217	Converts a JSON string into the corresponding perl data structure.	308	Converts a JSON string into the corresponding perl data structure.
218		309
219	=item $json = cf::to_json $ref	310	=item $json = cf::encode_json $ref
220		311
221	Converts a perl data structure into its JSON representation.	312	Converts a perl data structure into its JSON representation.
222		313
		314	=cut
		315
		316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		317
		318	sub encode_json($) { $json_coder->encode ($_[0]) }
		319	sub decode_json($) { $json_coder->decode ($_[0]) }
		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
		333	}
		334
223	=item cf::lock_wait $string	335	=item cf::lock_wait $string
224		336
225	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
226		338
227	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
228		340
229	Wait until the given lock is available and then acquires it and returns	341	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,	342	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	343	for example when the coroutine gets canceled), the lock is automatically
232	returned.	344	returned.
233		345
		346	Locks are *not* recursive, locking from the same coro twice results in a
		347	deadlocked coro.
		348
234	Lock names should begin with a unique identifier (for example, cf::map::find	349	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	350	uses map_find and cf::map::load uses map_load).
236		351
237	=cut	352	=item $locked = cf::lock_active $string
238		353
239	our %LOCK;	354	Return true if the lock is currently active, i.e. somebody has locked it.
		355
		356	=cut
		357
		358	our $LOCKS = new Coro::SemaphoreSet;
240		359
241	sub lock_wait($) {	360	sub lock_wait($) {
242	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	362	}
250		363
251	sub lock_acquire($) {	364	sub lock_acquire($) {
252	my ($key) = @_;	365	$LOCKS->guard ($_[0])
		366	}
253		367
254	# wait, to be sure we are not locked	368	sub lock_active($) {
255	lock_wait $key;	369	$LOCKS->count ($_[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	}	370	}
264		371
265	sub freeze_mainloop {	372	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
267		374
268	my $guard = Coro::guard {	375	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	376	}
		377
		378	=item cf::periodic $interval, $cb
		379
		380	Like EV::periodic, but randomly selects a starting point so that the actions
		381	get spread over timer.
		382
		383	=cut
		384
		385	sub periodic($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
		391	}
		392
		393	=item cf::get_slot $time[, $priority[, $name]]
		394
		395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		396	This call blocks and returns only when you have at least C<$time> seconds
		397	of cpu time till the next tick. The slot is only valid till the next cede.
		398
		399	The optional C<$name> can be used to identify the job to run. It might be
		400	used for statistical purposes and should identify the same time-class.
		401
		402	Useful for short background jobs.
		403
		404	=cut
		405
		406	our @SLOT_QUEUE;
		407	our $SLOT_QUEUE;
		408
		409	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		410	$SLOT_QUEUE = Coro::async {
		411	$Coro::current->desc ("timeslot manager");
		412
		413	my $signal = new Coro::Signal;
		414
		415	while () {
		416	next_job:
		417	my $avail = cf::till_tick;
		418	if ($avail > 0.01) {
		419	for (0 .. $#SLOT_QUEUE) {
		420	if ($SLOT_QUEUE[$_][0] < $avail) {
		421	my $job = splice @SLOT_QUEUE, $_, 1, ();
		422	$job->[2]->send;
		423	Coro::cede;
		424	goto next_job;
		425	}
		426	}
		427	}
		428
		429	if (@SLOT_QUEUE) {
		430	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		431	push @cf::WAIT_FOR_TICK, $signal;
		432	$signal->wait;
		433	} else {
		434	Coro::schedule;
		435	}
270	};	436	}
271	$TICK_WATCHER->stop;	437	};
272	$guard	438
		439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
		442	my ($time, $pri, $name) = @_;
		443
		444	$time = $TICK * .6 if $time > $TICK * .6;
		445	my $sig = new Coro::Signal;
		446
		447	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		448	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		449	$SLOT_QUEUE->ready;
		450	$sig->wait;
273	}	451	}
274		452
275	=item cf::async { BLOCK }	453	=item cf::async { BLOCK }
276		454
277	Currently the same as Coro::async_pool, meaning you cannot use	455	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		460
283	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
284		462
285	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
286		464
287	The design of crossfire+ requires that the main coro ($Coro::main) is	465	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	466	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	467	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		468	acceptable.
290		469
291	If it must be done, put the blocking parts into C<sync_job>. This will run	470	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	471	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	472	server will be frozen during this time, so the block should either finish
294	fast or be very important.	473	fast or be very important.
…		…
297		476
298	sub sync_job(&) {	477	sub sync_job(&) {
299	my ($job) = @_;	478	my ($job) = @_;
300		479
301	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
		481	my $time = EV::time;
		482
302	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
304		485
305	# TODO: use suspend/resume instead	486	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	487
307	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
308		489
309	my $busy = 1;	490	my $busy = 1;
310	my @res;	491	my @res;
311		492
312	(async {	493	(async {
		494	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	495	@res = eval { $job->() };
314	warn $@ if $@;	496	warn $@ if $@;
315	undef $busy;	497	undef $busy;
316	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
317		499
318	while ($busy) {	500	while ($busy) {
319	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
320	}	505	}
		506	}
		507
		508	my $time = EV::time - $time;
		509
		510	$TICK_START += $time; # do not account sync jobs to server load
321		511
322	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
323	} else {	513	} else {
324	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
325		515
…		…
345	$EXT_CORO{$coro+0} = $coro;	535	$EXT_CORO{$coro+0} = $coro;
346		536
347	$coro	537	$coro
348	}	538	}
349		539
350	sub write_runtime {	540	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		541
353	my $runtime = cf::localdir . "/runtime";	542	Executes the given code block with the given arguments in a seperate
		543	process, returning the results. Everything must be serialisable with
		544	Coro::Storable. May, of course, block. Note that the executed sub may
		545	never block itself or use any form of event handling.
354		546
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	547	=cut
356	or return;
357		548
358	my $value = $cf::RUNTIME + 90 + 10;	549	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	550	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		551
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	# we seemingly have to make a local copy of the whole thing,
363	and return;	553	# otherwise perl prematurely frees the stuff :/
		554	# TODO: investigate and fix (likely this will be rather laborious)
364		555
365	# always fsync - this file is important	556	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	557	reset_signals;
367	and return;	558	&$cb
		559	}, @args;
368		560
369	close $fh	561	wantarray ? @res : $res[-1]
370	or return;	562	}
371		563
372	aio_rename "$runtime~", $runtime	564	=item $coin = coin_from_name $name
373	and return;
374		565
		566	=cut
		567
		568	our %coin_alias = (
		569	"silver" => "silvercoin",
		570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
		584
		585	sub coin_from_name($) {
		586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
		589	}
		590
		591	=item $value = cf::db_get $family => $key
		592
		593	Returns a single value from the environment database.
		594
		595	=item cf::db_put $family => $key => $value
		596
		597	Stores the given C<$value> in the family. It can currently store binary
		598	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		599
		600	=item $db = cf::db_table "name"
		601
		602	Create and/or open a new database table. The string must not be "db" and must be unique
		603	within each server.
		604
		605	=cut
		606
		607	sub db_table($) {
		608	my ($name) = @_;
		609	my $db = BDB::db_create $DB_ENV;
		610
		611	eval {
		612	$db->set_flags (BDB::CHKSUM);
		613
		614	utf8::encode $name;
		615	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		616	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		617	cf::cleanup "db_open(db): $!" if $!;
		618	};
		619	cf::cleanup "db_open(db): $@" if $@;
		620
		621	$db
		622	}
		623
		624	our $DB;
		625
		626	sub db_init {
		627	cf::sync_job {
		628	$DB ||= db_table "db";
		629	};
		630	}
		631
		632	sub db_get($$) {
		633	my $key = "$_[0]/$_[1]";
		634
		635	cf::sync_job {
		636	BDB::db_get $DB, undef, $key, my $data;
		637
		638	$! ? ()
		639	: $data
375	1	640	}
		641	}
		642
		643	sub db_put($$$) {
		644	BDB::dbreq_pri 4;
		645	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		646	}
		647
		648	=item cf::cache $id => [$paths...], $processversion => $process
		649
		650	Generic caching function that returns the value of the resource $id,
		651	caching and regenerating as required.
		652
		653	This function can block.
		654
		655	=cut
		656
		657	sub cache {
		658	my ($id, $src, $processversion, $process) = @_;
		659
		660	my $meta =
		661	join "\x00",
		662	$processversion,
		663	map {
		664	aio_stat $_
		665	and Carp::croak "$_: $!";
		666
		667	($_, (stat _)[7,9])
		668	} @$src;
		669
		670	my $dbmeta = db_get cache => "$id/meta";
		671	if ($dbmeta ne $meta) {
		672	# changed, we may need to process
		673
		674	my @data;
		675	my $md5;
		676
		677	for (0 .. $#$src) {
		678	0 <= aio_load $src->[$_], $data[$_]
		679	or Carp::croak "$src->[$_]: $!";
		680	}
		681
		682	# if processing is expensive, check
		683	# checksum first
		684	if (1) {
		685	$md5 =
		686	join "\x00",
		687	$processversion,
		688	map {
		689	cf::cede_to_tick;
		690	($src->[$_], Digest::MD5::md5_hex $data[$_])
		691	} 0.. $#$src;
		692
		693
		694	my $dbmd5 = db_get cache => "$id/md5";
		695	if ($dbmd5 eq $md5) {
		696	db_put cache => "$id/meta", $meta;
		697
		698	return db_get cache => "$id/data";
		699	}
		700	}
		701
		702	my $t1 = Time::HiRes::time;
		703	my $data = $process->(\@data);
		704	my $t2 = Time::HiRes::time;
		705
		706	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		707
		708	db_put cache => "$id/data", $data;
		709	db_put cache => "$id/md5" , $md5;
		710	db_put cache => "$id/meta", $meta;
		711
		712	return $data;
		713	}
		714
		715	db_get cache => "$id/data"
376	}	716	}
377		717
378	=item cf::datalog type => key => value, ...	718	=item cf::datalog type => key => value, ...
379		719
380	Log a datalog packet of the given type with the given key-value pairs.	720	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		732
393	#############################################################################	733	#############################################################################
394		734
395	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
396		736
397	Many objects in crossfire are so-called attachable objects. That means you can	737	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")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
400		740
401	In the following description, CLASS can be any of C<global>, C<object>	741	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	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	743	Deliantra).
404		744
405	=over 4	745	=over 4
406		746
407	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
408		748
…		…
452	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
453		793
454	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
456		796
457	Some classes such as crossfire maps and objects can specify attachments	797	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.	798	that are attached at load/instantiate time, thus the need for a name.
459		799
460	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
461		801
462	=over 4	802	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	911	$registry = $CB_TYPE[$object_type] ||= [];
572		912
573	} elsif ($type eq "subtype") {	913	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	914	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	915	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	916	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		917
578	} elsif ($type eq "package") {	918	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	919	my $pkg = shift @arg;
580		920
581	while (my ($name, $id) = each %cb_id) {	921	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	950	_attach $registry, $klass, @attach;
611	}	951	}
612		952
613	$obj->{$name} = \%arg;	953	$obj->{$name} = \%arg;
614	} else {	954	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	955	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	956	}
617		957
618	$obj->{_attachment}{$name} = undef;	958	$obj->{_attachment}{$name} = undef;
619	}	959	}
620		960
…		…
622	if (ref $_[0]) {	962	if (ref $_[0]) {
623	_object_attach @_;	963	_object_attach @_;
624	} else {	964	} else {
625	_attach shift->_attach_registry, @_;	965	_attach shift->_attach_registry, @_;
626	}	966	}
		967	_recalc_want;
627	};	968	};
628		969
629	# all those should be optimised	970	# all those should be optimised
630	sub cf::attachable::detach {	971	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	972	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	975	delete $obj->{_attachment}{$name};
635	reattach ($obj);	976	reattach ($obj);
636	} else {	977	} else {
637	Carp::croak "cannot, currently, detach class attachments";	978	Carp::croak "cannot, currently, detach class attachments";
638	}	979	}
		980	_recalc_want;
639	};	981	};
640		982
641	sub cf::attachable::attached {	983	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	984	my ($obj, $name) = @_;
643		985
…		…
658	";	1000	";
659	die if $@;	1001	die if $@;
660	}	1002	}
661		1003
662	our $override;	1004	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1005	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1006
665	sub override {	1007	sub override {
666	$override = 1;	1008	$override = 1;
667	@invoke_results = ();	1009	@INVOKE_RESULTS = (@_);
668	}	1010	}
669		1011
670	sub do_invoke {	1012	sub do_invoke {
671	my $event = shift;	1013	my $event = shift;
672	my $callbacks = shift;	1014	my $callbacks = shift;
673		1015
674	@invoke_results = ();	1016	@INVOKE_RESULTS = ();
675		1017
676	local $override;	1018	local $override;
677		1019
678	for (@$callbacks) {	1020	for (@$callbacks) {
679	eval { &{$_->[1]} };	1021	eval { &{$_->[1]} };
…		…
688	}	1030	}
689		1031
690	0	1032	0
691	}	1033	}
692		1034
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1036
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1038
697	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
698		1040
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1041	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	1042	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1043	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1044
703	=back	1045	=back
704		1046
705	=cut	1047	=cut
706		1048
707	#############################################################################	1049	#############################################################################
708	# object support	1050	# object support
		1051
		1052	sub _object_equal($$);
		1053	sub _object_equal($$) {
		1054	my ($a, $b) = @_;
		1055
		1056	return 0 unless (ref $a) eq (ref $b);
		1057
		1058	if ("HASH" eq ref $a) {
		1059	my @ka = keys %$a;
		1060	my @kb = keys %$b;
		1061
		1062	return 0 if @ka != @kb;
		1063
		1064	for (0 .. $#ka) {
		1065	return 0 unless $ka[$_] eq $kb[$_];
		1066	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1067	}
		1068
		1069	} elsif ("ARRAY" eq ref $a) {
		1070
		1071	return 0 if @$a != @$b;
		1072
		1073	for (0 .. $#$a) {
		1074	return 0 unless _object_equal $a->[$_], $b->[$_];
		1075	}
		1076
		1077	} elsif ($a ne $b) {
		1078	return 0;
		1079	}
		1080
		1081	1
		1082	}
		1083
		1084	our $SLOW_MERGES;#d#
		1085	sub _can_merge {
		1086	my ($ob1, $ob2) = @_;
		1087
		1088	++$SLOW_MERGES;#d#
		1089
		1090	# we do the slow way here
		1091	return _object_equal $ob1, $ob2
		1092	}
709		1093
710	sub reattach {	1094	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1096	my ($obj) = @_;
713		1097
		1098	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1100
716	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
717		1102
718	@$registry = ();	1103	@$registry = ();
719		1104
…		…
734	cf::attachable->attach (	1119	cf::attachable->attach (
735	prio => -1000000,	1120	prio => -1000000,
736	on_instantiate => sub {	1121	on_instantiate => sub {
737	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
738		1123
739	$data = from_json $data;	1124	$data = decode_json $data;
740		1125
741	for (@$data) {	1126	for (@$data) {
742	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
743		1128
744	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1145	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1146	my ($filename, $rdata, $objs) = @_;
762		1147
763	sync_job {	1148	sync_job {
764	if (length $$rdata) {	1149	if (length $$rdata) {
		1150	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
767		1153
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1157	if ($cf::USE_FSYNC) {
		1158	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;
		1159	aio_fsync $fh;
		1160	}
772	close $fh;	1161	aio_close $fh;
773		1162
774	if (@$objs) {	1163	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1168	if ($cf::USE_FSYNC) {
		1169	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;
		1170	aio_fsync $fh;
		1171	}
780	close $fh;	1172	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
782	}	1174	}
783	} else {	1175	} else {
784	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
785	}	1177	}
786		1178
787	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1183	} else {
789	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
790	}	1185	}
791	} else {	1186	} else {
792	aio_unlink $filename;	1187	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
794	}	1189	}
795	}	1190	};
796	}	1191	}
797		1192
798	sub object_freezer_as_string {	1193	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1194	my ($rdata, $objs) = @_;
800		1195
…		…
812	or return;	1207	or return;
813		1208
814	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
816	or return;	1211	or return;
		1212
817	$av = eval { (Storable::thaw $av)->{objs} };	1213	my $st = eval { Coro::Storable::thaw $av };
		1214	$av = $st->{objs};
818	}	1215	}
819		1216
		1217	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1219	$decname, length $data, scalar @{$av || []};
		1220
822	return ($data, $av);	1221	($data, $av)
823	}	1222	}
		1223
		1224	=head2 COMMAND CALLBACKS
		1225
		1226	=over 4
		1227
		1228	=cut
824		1229
825	#############################################################################	1230	#############################################################################
826	# command handling &c	1231	# command handling &c
827		1232
828	=item cf::register_command $name => \&callback($ob,$args);	1233	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1246	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1247	}
843		1248
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1249	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1250
846	Register a callbackf ro execution when the client sends an extcmd packet.	1251	Register a callback for execution when the client sends an (synchronous)
		1252	extcmd packet. Ext commands will be processed in the order they are
		1253	received by the server, like other user commands. The first argument is
		1254	the logged-in player. Ext commands can only be processed after a player
		1255	has logged in successfully.
847		1256
848	If the callback returns something, it is sent back as if reply was being	1257	If the callback returns something, it is sent back as if reply was being
849	called.	1258	called.
850		1259
		1260	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1261
		1262	Register a callback for execution when the client sends an (asynchronous)
		1263	exticmd packet. Exti commands are processed by the server as soon as they
		1264	are received, i.e. out of order w.r.t. other commands. The first argument
		1265	is a client socket. Exti commands can be received anytime, even before
		1266	log-in.
		1267
		1268	If the callback returns something, it is sent back as if reply was being
		1269	called.
		1270
851	=cut	1271	=cut
852		1272
853	sub register_extcmd {	1273	sub register_extcmd {
854	my ($name, $cb) = @_;	1274	my ($name, $cb) = @_;
855		1275
856	$EXTCMD{$name} = $cb;	1276	$EXTCMD{$name} = $cb;
857	}	1277	}
		1278
		1279	sub register_exticmd {
		1280	my ($name, $cb) = @_;
		1281
		1282	$EXTICMD{$name} = $cb;
		1283	}
		1284
		1285	use File::Glob ();
858		1286
859	cf::player->attach (	1287	cf::player->attach (
860	on_command => sub {	1288	on_command => sub {
861	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
862		1290
…		…
870	cf::override;	1298	cf::override;
871	},	1299	},
872	on_extcmd => sub {	1300	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1301	my ($pl, $buf) = @_;
874		1302
875	my $msg = eval { from_json $buf };	1303	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1304
877	if (ref $msg) {	1305	if (ref $msg) {
		1306	my ($type, $reply, @payload) =
		1307	"ARRAY" eq ref $msg
		1308	? @$msg
		1309	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1310
		1311	my @reply;
		1312
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1313	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1314	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1315	}
		1316
		1317	$pl->ext_reply ($reply, @reply)
		1318	if $reply;
		1319
883	} else {	1320	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1321	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1322	}
886		1323
887	cf::override;	1324	cf::override;
888	},	1325	},
889	);	1326	);
890		1327
		1328	# "readahead" all extensions
891	sub load_extension {	1329	sub cache_extensions {
892	my ($path) = @_;	1330	my $grp = IO::AIO::aio_group;
893		1331
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1333	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1334	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	}	1335	}
919	die $@;
920	}	1336	};
921		1337
922	push @EXTS, $pkg;	1338	$grp
923	}	1339	}
924		1340
925	sub load_extensions {	1341	sub load_extensions {
		1342	cf::sync_job {
		1343	my %todo;
		1344
926	for my $ext (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1346	next unless -r $path;
928	eval {	1347
929	load_extension $ext;	1348	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1349	my $base = $1;
		1350	my $pkg = $1;
		1351	$pkg =~ s/[^[:word:]]/_/g;
		1352	$pkg = "ext::$pkg";
		1353
		1354	open my $fh, "<:utf8", $path
		1355	or die "$path: $!";
		1356
		1357	my $source = do { local $/; <$fh> };
		1358
		1359	my %ext = (
		1360	path => $path,
		1361	base => $base,
		1362	pkg => $pkg,
		1363	);
		1364
		1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1367
		1368	$ext{source} =
		1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1370	. "#line 1 \"$path\"\n{\n"
		1371	. $source
		1372	. "\n};\n1";
		1373
		1374	$todo{$base} = \%ext;
		1375	}
		1376
		1377	my %done;
		1378	while (%todo) {
		1379	my $progress;
		1380
		1381	while (my ($k, $v) = each %todo) {
		1382	for (split /,\s*/, $v->{meta}{depends}) {
		1383	goto skip
		1384	unless exists $done{$_};
		1385	}
		1386
		1387	warn "... loading '$k' into '$v->{pkg}'\n";
		1388
		1389	unless (eval $v->{source}) {
		1390	my $msg = $@ ? "$v->{path}: $@\n"
		1391	: "$v->{base}: extension inactive.\n";
		1392
		1393	if (exists $v->{meta}{mandatory}) {
		1394	warn $msg;
		1395	cf::cleanup "mandatory extension failed to load, exiting.";
		1396	}
		1397
		1398	warn $msg;
		1399	}
		1400
		1401	$done{$k} = delete $todo{$k};
		1402	push @EXTS, $v->{pkg};
		1403	$progress = 1;
930	1	1404	}
931	} or warn "$ext not loaded: $@";	1405
		1406	skip:
		1407	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1408	unless $progress;
		1409	}
932	}	1410	};
933	}	1411	}
934		1412
935	#############################################################################	1413	#############################################################################
936		1414
		1415	=back
		1416
937	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
938		1418
939	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
940		1420
941	=cut	1421	=cut
942		1422
943	package cf::player;	1423	package cf::player;
944		1424
…		…
946		1426
947	=head3 cf::player	1427	=head3 cf::player
948		1428
949	=over 4	1429	=over 4
950		1430
		1431	=item cf::player::num_playing
		1432
		1433	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1434
		1435	=cut
		1436
		1437	sub num_playing {
		1438	scalar grep
		1439	$_->ob->map
		1440	&& !$_->hidden
		1441	&& !$_->ob->flag (cf::FLAG_WIZ),
		1442	cf::player::list
		1443	}
		1444
951	=item cf::player::find $login	1445	=item cf::player::find $login
952		1446
953	Returns the given player object, loading it if necessary (might block).	1447	Returns the given player object, loading it if necessary (might block).
954		1448
955	=cut	1449	=cut
956		1450
957	sub playerdir($) {	1451	sub playerdir($) {
958	cf::localdir	1452	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1453	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1454	}
964		1455
965	sub path($) {	1456	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1457	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1458
968	(playerdir $login) . "/$login.pl"	1459	(playerdir $login) . "/playerdata"
969	}	1460	}
970		1461
971	sub find_active($) {	1462	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1463	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1464	and $cf::PLAYER{$_[0]}->active
…		…
976		1467
977	sub exists($) {	1468	sub exists($) {
978	my ($login) = @_;	1469	my ($login) = @_;
979		1470
980	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
982	}	1473	}
983		1474
984	sub find($) {	1475	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1477	my $login = $_[0];
987		1478
988	my $guard = cf::lock_acquire "user_find:$login";	1479	my $guard = cf::lock_acquire "user_find:$login";
989		1480
990	$cf::PLAYER{$_[0]} || do {	1481	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1482	# rename old playerfiles to new ones
		1483	#TODO: remove when no longer required
		1484	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1485	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1486	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1487	aio_unlink +(playerdir $login) . "/$login.pl";
		1488
		1489	my $f = new_from_file cf::object::thawer path $login
992	or return;	1490	or return;
		1491
		1492	my $pl = cf::player::load_pl $f
		1493	or return;
		1494
		1495	local $cf::PLAYER_LOADING{$login} = $pl;
		1496	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
994	}	1498	}
995	}	1499	}
996	}	1500	}
997		1501
…		…
1006	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1007		1511
1008	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
1010		1514
		1515	cf::get_slot 0.01;
		1516
1011	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1012	Coro::cede;	1518	cf::cede_to_tick;
1013	}	1519	}
1014		1520
1015	sub new($) {	1521	sub new($) {
1016	my ($login) = @_;	1522	my ($login) = @_;
1017		1523
…		…
1023	$cf::PLAYER{$login} = $self;	1529	$cf::PLAYER{$login} = $self;
1024		1530
1025	$self	1531	$self
1026	}	1532	}
1027		1533
		1534	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1535
		1536	=cut
		1537
		1538	sub send_msg {
		1539	my $ns = shift->ns
		1540	or return;
		1541	$ns->send_msg (@_);
		1542	}
		1543
1028	=item $pl->quit_character	1544	=item $pl->quit_character
1029		1545
1030	Nukes the player without looking back. If logged in, the connection will	1546	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1547	be destroyed. May block for a long time.
1032		1548
…		…
1036	my ($pl) = @_;	1552	my ($pl) = @_;
1037		1553
1038	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1039		1555
1040	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1558
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1047		1565
1048	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1597	while and may block, so not sync_job-capable, ever.
1080		1598
1081	=cut	1599	=cut
1082		1600
1083	sub list_logins {	1601	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1602	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1603	or return [];
1086		1604
1087	my @logins;	1605	my @logins;
1088		1606
1089	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
		1608	my $path = path $login;
		1609
		1610	# a .pst is a dead give-away for a valid player
		1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1616	}
1093		1617
1094	utf8::decode $login;	1618	utf8::decode $login;
1095	push @logins, $login;	1619	push @logins, $login;
1096	}	1620	}
1097		1621
…		…
1124	}	1648	}
1125		1649
1126	\@paths	1650	\@paths
1127	}	1651	}
1128		1652
		1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1654
		1655	Expand deliantra pod fragments into protocol xml.
		1656
1129	=item $player->ext_reply ($msgid, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1130		1658
1131	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1132		1660
1133	=cut	1661	=cut
1134		1662
1135	sub ext_reply($$%) {	1663	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1137		1665
1138	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1667	}
1142		1668
1143	=item $player->ext_event ($type, %msg)	1669	=item $player->ext_msg ($type, @msg)
1144		1670
1145	Sends an ext event to the client.	1671	Sends an ext event to the client.
1146		1672
1147	=cut	1673	=cut
1148		1674
1149	sub ext_event($$%) {	1675	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1676	my ($self, $type, @msg) = @_;
1151		1677
1152	$self->ns->ext_event ($type, %msg);	1678	$self->ns->ext_msg ($type, @msg);
1153	}	1679	}
1154		1680
1155	package cf;	1681	=head3 cf::region
		1682
		1683	=over 4
		1684
		1685	=cut
		1686
		1687	package cf::region;
		1688
		1689	=item cf::region::find_by_path $path
		1690
		1691	Tries to decuce the likely region for a map knowing only its path.
		1692
		1693	=cut
		1694
		1695	sub find_by_path($) {
		1696	my ($path) = @_;
		1697
		1698	my ($match, $specificity);
		1699
		1700	for my $region (list) {
		1701	if ($region->{match} && $path =~ $region->{match}) {
		1702	($match, $specificity) = ($region, $region->specificity)
		1703	if $region->specificity > $specificity;
		1704	}
		1705	}
		1706
		1707	$match
		1708	}
1156		1709
1157	=back	1710	=back
1158
1159		1711
1160	=head3 cf::map	1712	=head3 cf::map
1161		1713
1162	=over 4	1714	=over 4
1163		1715
…		…
1175	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1177		1729
1178	sub generate_random_map {	1730	sub generate_random_map {
1179	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1734
1180	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1181	$self->_create_random_map (	1736	$self->_create_random_map (
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1218	my ($self, $merge) = @_;	1773	my ($self, $merge) = @_;
1219		1774
1220	# we have to keep some variables in memory intact	1775	# we have to keep some variables in memory intact
1221	local $self->{path};	1776	local $self->{path};
1222	local $self->{load_path};	1777	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1778
1226	$self->SUPER::thawer_merge ($merge);	1779	$self->SUPER::thawer_merge ($merge);
1227	}	1780	}
1228		1781
1229	sub normalise {	1782	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1277	return $self;	1830	return $self;
1278	}	1831	}
1279	}	1832	}
1280		1833
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1835	()
1283	}	1836	}
1284		1837
1285	sub init {	1838	sub init {
1286	my ($self) = @_;	1839	my ($self) = @_;
…		…
1301		1854
1302	# the original (read-only) location	1855	# the original (read-only) location
1303	sub load_path {	1856	sub load_path {
1304	my ($self) = @_;	1857	my ($self) = @_;
1305		1858
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1859	"$MAPDIR/$self->{path}.map"
1307	}	1860	}
1308		1861
1309	# the temporary/swap location	1862	# the temporary/swap location
1310	sub save_path {	1863	sub save_path {
1311	my ($self) = @_;	1864	my ($self) = @_;
1312		1865
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1867	"$TMPDIR/$path.map"
1315	}	1868	}
1316		1869
1317	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1318	sub uniq_path {	1871	sub uniq_path {
1319	my ($self) = @_;	1872	my ($self) = @_;
1320		1873
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1875	"$UNIQUEDIR/$path"
1323	}	1876	}
1324		1877
1325	# and all this just because we cannot iterate over	1878	sub decay_objects {
1326	# all maps in C++...
1327	sub change_all_map_light {
1328	my ($change) = @_;	1879	my ($self) = @_;
1329		1880
1330	$_->change_map_light ($change)	1881	return if $self->{deny_reset};
1331	for grep $_->outdoor, values %cf::MAP;	1882
		1883	$self->do_decay_objects;
1332	}	1884	}
1333		1885
1334	sub unlink_save {	1886	sub unlink_save {
1335	my ($self) = @_;	1887	my ($self) = @_;
1336		1888
…		…
1341		1893
1342	sub load_header_from($) {	1894	sub load_header_from($) {
1343	my ($self, $path) = @_;	1895	my ($self, $path) = @_;
1344		1896
1345	utf8::encode $path;	1897	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1898	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1899	or return;
		1900
		1901	$self->_load_header ($f)
		1902	or return;
		1903
		1904	local $MAP_LOADING{$self->{path}} = $self;
		1905	$f->resolve_delayed_derefs;
1351		1906
1352	$self->{load_path} = $path;	1907	$self->{load_path} = $path;
1353		1908
1354	1	1909	1
1355	}	1910	}
…		…
1394	$self->load_header_orig	1949	$self->load_header_orig
1395	or return;	1950	or return;
1396	$self->prepare_orig;	1951	$self->prepare_orig;
1397	}	1952	}
1398		1953
		1954	$self->{deny_reset} = 1
		1955	if $self->no_reset;
		1956
		1957	$self->default_region (cf::region::find_by_path $self->{path})
		1958	unless $self->default_region;
		1959
1399	1	1960	1
1400	}	1961	}
1401		1962
1402	sub find;	1963	sub find;
1403	sub find {	1964	sub find {
1404	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1405		1966
1406	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1407		1968
		1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1409		1971
1410	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";
1412	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1413	or return;	1974	or return;
1414		1975
1415	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1416		1977
1417	$map->load_header	1978	$map->load_header
1418	or return;	1979	or return;
1419		1980
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
		1985	undef $guard1;
1423	$map->reset;	1986	$map->reset;
1424	undef $guard;
1425	return find $path;	1987	return find $path;
1426	}	1988	}
1427		1989
1428	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
1429	}	1991	}
…		…
1436	my ($self) = @_;	1998	my ($self) = @_;
1437		1999
1438	local $self->{deny_reset} = 1; # loading can take a long time	2000	local $self->{deny_reset} = 1; # loading can take a long time
1439		2001
1440	my $path = $self->{path};	2002	my $path = $self->{path};
		2003
		2004	{
1441	my $guard = cf::lock_acquire "map_load:$path";	2005	my $guard = cf::lock_acquire "map_data:$path";
1442		2006
		2007	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2008	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		2009
1445	$self->in_memory (cf::MAP_LOADING);	2010	$self->in_memory (cf::MAP_LOADING);
1446		2011
1447	$self->alloc;	2012	$self->alloc;
1448		2013
1449	$self->pre_load;	2014	$self->pre_load;
		2015	cf::cede_to_tick;
1450		2016
1451	$self->_load_objects ($self->{load_path}, 1)	2017	my $f = new_from_file cf::object::thawer $self->{load_path};
		2018	$f->skip_block;
		2019	$self->_load_objects ($f)
1452	or return;	2020	or return;
1453		2021
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1455	if delete $self->{load_original};	2023	if delete $self->{load_original};
1456		2024
1457	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2026	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2027	unless (aio_stat $uniq) {
		2028	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2029	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2030	$self->_load_objects ($f);
		2031	$f->resolve_delayed_derefs;
		2032	}
1462	}	2033	}
1463	}	2034	}
1464		2035
1465	Coro::cede;	2036	$f->resolve_delayed_derefs;
1466		2037
		2038	cf::cede_to_tick;
1467	# now do the right thing for maps	2039	# now do the right thing for maps
1468	$self->link_multipart_objects;	2040	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2041	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2042	unless $self->difficulty;
1478	Coro::cede;	2043	cf::cede_to_tick;
		2044
		2045	unless ($self->{deny_activate}) {
		2046	$self->decay_objects;
		2047	$self->fix_auto_apply;
		2048	$self->update_buttons;
		2049	cf::cede_to_tick;
1479	$self->activate;	2050	$self->activate;
		2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1480	}	2057	}
1481		2058
1482	$self->post_load;	2059	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	2060	}
1486		2061
1487	sub customise_for {	2062	sub customise_for {
1488	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1489		2064
1490	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2066	if $self->per_player;
1492		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1493	$self	2071	$self
1494	}	2072	}
1495		2073
1496	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2075	sub load_neighbours {
1498	my ($map) = @_;	2076	my ($map) = @_;
1499		2077
1500	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1501		2079
1502	for (0 .. 3) {	2080	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1504	or next;	2082	or next;
1505	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1506	or next;	2084	or next;
1507	$neigh->load;	2085	$neigh->load;
1508		2086
		2087	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2090	}
1512		2091
1513	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1515	or next;	2095	or next;
1516	$neigh->load;	2096	$neigh->load;
1517	}	2097	}
1518	}	2098	}
1519		2099
…		…
1524	}	2104	}
1525		2105
1526	sub do_load_sync {	2106	sub do_load_sync {
1527	my ($map) = @_;	2107	my ($map) = @_;
1528		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1529	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1530	}	2113	}
1531		2114
1532	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1534		2117
1535	sub find_async {	2118	sub find_async {
1536	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1537		2120
1538	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1539		2122
1540	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1542	}	2125	}
1543		2126
1544	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1545	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1546	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2134	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2135	$map->load if $v;
		2136	}
1551		2137
1552	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1553	}	2139	}
1554	}	2140	}
1555	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1556	};	2142	};
1557	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2146	}
1561		2147
1562	sub save {	2148	sub save {
1563	my ($self) = @_;	2149	my ($self) = @_;
1564		2150
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2152
1567	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1568		2154
1569	return unless $self->dirty;	2155	return unless $self->dirty;
1570		2156
…		…
1576	return if $self->{deny_save};	2162	return if $self->{deny_save};
1577		2163
1578	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1579		2165
1580	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1582	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1583		2172
1584	if ($uniq) {	2173	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2176	} else {
…		…
1593	my ($self) = @_;	2182	my ($self) = @_;
1594		2183
1595	# save first because save cedes	2184	# save first because save cedes
1596	$self->save;	2185	$self->save;
1597		2186
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2188
1600	return if $self->players;	2189	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1602	return if $self->{deny_save};	2191	return if $self->{deny_save};
1603		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2197	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2198	}
1607		2199
1608	sub reset_at {	2200	sub reset_at {
1609	my ($self) = @_;	2201	my ($self) = @_;
1610		2202
1611	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1614		2205
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2208
…		…
1628	my ($self) = @_;	2219	my ($self) = @_;
1629		2220
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2222
1632	return if $self->players;	2223	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2224
1635	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
1636		2226
1637	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1638		2228
1639	# need to save uniques path	2229	# need to save uniques path
1640	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2234	if $uniq;
1645	}	2235	}
1646		2236
1647	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1648		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2241	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2242
1653	$self->unlink_save;	2243	$self->unlink_save;
1654	$self->destroy;	2244	$self->destroy;
1655	}	2245	}
1656		2246
1657	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1658		2248
1659	sub nuke {	2249	sub nuke {
1660	my ($self) = @_;	2250	my ($self) = @_;
1661		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1662	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1663		2256
1664	$self->unlink_save;	2257	$self->unlink_save;
1665		2258
1666	bless $self, "cf::map";	2259	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2264
1672	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1673		2267
1674	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1675	}	2305	}
1676		2306
1677	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1678		2308
1679	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2310	instantiated unique items. May block.
1681		2311
1682	=cut	2312	=cut
1683		2313
1684	sub unique_maps() {	2314	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1686	or return;	2316	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2317	utf8::decode $_;
1692	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2320	? ()
1695	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2323	]
1697
1698	\@paths
1699	}	2324	}
1700
1701	package cf;
1702		2325
1703	=back	2326	=back
1704		2327
1705	=head3 cf::object	2328	=head3 cf::object
1706		2329
…		…
1710		2333
1711	=over 4	2334	=over 4
1712		2335
1713	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1714		2337
1715	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1716		2340
1717	=cut	2341	=cut
1718		2342
1719	sub inv_recursive_;	2343	sub inv_recursive_;
1720	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1723		2347
1724	sub inv_recursive {	2348	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1726	}	2350	}
1727		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1728	package cf;	2380	package cf;
1729		2381
1730	=back	2382	=back
1731		2383
1732	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1738	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1739	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1740	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1741		2393
1742	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1743		2409
1744	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1745	# with dialog boxes.	2411	# with dialog boxes.
1746	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1747	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1749		2415
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2417
1752	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1754	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1757	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1758	}	2443	}
1759		2444
1760	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1761		2446
1762	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1775		2460
1776	=item $player_object->enter_link	2461	=item $player_object->enter_link
1777		2462
1778	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1779		2464
1780	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1781	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1782		2469
1783	Will never block.	2470	Will never block.
1784		2471
1785	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1786		2473
…		…
1809	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1810		2497
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2499
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1815		2502
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2504	}
1818		2505
1819	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1821		2510
1822	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1823		2512
1824	unless ($map) {	2513	unless ($map) {
1825	# restore original map position	2514	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1842		2531
1843	$map->load;	2532	$map->load;
1844	$map->load_diag;	2533	$map->load_neighbours;
1845		2534
1846	return unless $self->contr->active;	2535	return unless $self->contr->active;
1847	$self->activate_recursive;
1848		2536
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
1851	}
1852		2539
1853	cf::player->attach (	2540	# only activate afterwards, to support waiting in hooks
1854	on_logout => sub {	2541	$self->activate_recursive;
1855	my ($pl) = @_;	2542	}
1856		2543
1857	# abort map switching before logout	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	if ($pl->ob->{_link_pos}) {
1859	cf::sync_job {
1860	$pl->ob->leave_link
1861	};
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2545
1867	# try to abort aborted map switching on player login :)	2546	Moves the player to the given map-path and coordinates by first freezing
1868	# should happen only on crashes	2547	her, loading and preparing them map, calling the provided $check callback
1869	if ($pl->ob->{_link_pos}) {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1870	$pl->ob->enter_link;	2549	the new (success) or old (failed) map position. In either case, $done will
1871	(async {	2550	be called at the end of this process.
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884		2551
1885	=item $player_object->goto ($path, $x, $y)	2552	Note that $check will be called with a potentially non-loaded map, so if
		2553	it needs a loaded map it has to call C<< ->load >>.
1886		2554
1887	=cut	2555	=cut
		2556
		2557	our $GOTOGEN;
1888		2558
1889	sub cf::object::player::goto {	2559	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2560	my ($self, $path, $x, $y, $check, $done) = @_;
		2561
		2562	# do generation counting so two concurrent goto's will be executed in-order
		2563	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2564
1892	$self->enter_link;	2565	$self->enter_link;
1893		2566
1894	(async {	2567	(async {
		2568	$Coro::current->{desc} = "player::goto $path $x $y";
		2569
		2570	# *tag paths override both path and x|y
		2571	if ($path =~ /^\*(.*)$/) {
		2572	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2573	my $ob = $obs[rand @obs];
		2574
		2575	# see if we actually can go there
		2576	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2577	$ob = $obs[rand @obs];
		2578	} else {
		2579	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2580	}
		2581	# else put us there anyways for now #d#
		2582
		2583	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2584	} else {
		2585	($path, $x, $y) = (undef, undef, undef);
		2586	}
		2587	}
		2588
1895	my $map = eval {	2589	my $map = eval {
1896	my $map = cf::map::find $path;	2590	my $map = defined $path ? cf::map::find $path : undef;
		2591
		2592	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2593	$map = $map->customise_for ($self);
		2594	$map = $check->($map) if $check && $map;
		2595	} else {
		2596	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2597	}
		2598
1898	$map	2599	$map
		2600	};
		2601
		2602	if ($@) {
		2603	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2605	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2606
		2607	if ($gen == $self->{_goto_generation}) {
		2608	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2609	$self->leave_link ($map, $x, $y);
		2610	}
		2611
		2612	$done->() if $done;
1903	})->prio (1);	2613	})->prio (1);
1904	}	2614	}
1905		2615
1906	=item $player_object->enter_exit ($exit_object)	2616	=item $player_object->enter_exit ($exit_object)
1907		2617
…		…
1927	}	2637	}
1928		2638
1929	sub prepare_random_map {	2639	sub prepare_random_map {
1930	my ($exit) = @_;	2640	my ($exit) = @_;
1931		2641
1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1933
1934	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
1935	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
1936	# that depends on the exit object	2644	# that depends on the exit object
1937		2645
1938	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
1940	if ($exit->map) {	2648	if ($exit->map) {
1941	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
1942	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
1943	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
1944	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
1945	}	2655	}
1946		2656
1947	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
1948		2658
1949	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
1952		2662
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2665	undef $fh;
1956	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
1957		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
1958	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
1959	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
1960	}	2674	}
1961	}	2675	}
1962		2676
1963	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
1964	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
1965		2679
1966	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
1967		2681
1968	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
1970	cf::sync_job { prepare_random_map $exit };
1971	}
1972
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;
1976
1977	$self->enter_link;	2682	$self->enter_link;
1978		2683
1979	(async {	2684	(async {
1980	$self->deactivate_recursive; # just to be sure	2685	$Coro::current->{desc} = "enter_exit";
		2686
1981	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
		2694	prepare_random_map $exit
		2695	if $exit->slaying eq "/!";
		2696	}
		2697
		2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
		2701
1982	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
1983		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
1984	1;	2708	1
1985	}) {	2709	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
1987	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
1988	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2714
1991	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2716	$self->leave_link;
1993	}	2717	}
1994	})->prio (1);	2718	})->prio (1);
…		…
2010		2734
2011	utf8::encode $text;	2735	utf8::encode $text;
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2736	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013	}	2737	}
2014		2738
		2739	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2740
		2741	Send a drawinfo or msg packet to the client, formatting the msg for the
		2742	client if neccessary. C<$type> should be a string identifying the type of
		2743	the message, with C<log> being the default. If C<$color> is negative, suppress
		2744	the message unless the client supports the msg packet.
		2745
		2746	=cut
		2747
		2748	# non-persistent channels (usually the info channel)
		2749	our %CHANNEL = (
		2750	"c/identify" => {
		2751	id => "infobox",
		2752	title => "Identify",
		2753	reply => undef,
		2754	tooltip => "Items recently identified",
		2755	},
		2756	"c/examine" => {
		2757	id => "infobox",
		2758	title => "Examine",
		2759	reply => undef,
		2760	tooltip => "Signs and other items you examined",
		2761	},
		2762	"c/book" => {
		2763	id => "infobox",
		2764	title => "Book",
		2765	reply => undef,
		2766	tooltip => "The contents of a note or book",
		2767	},
		2768	"c/lookat" => {
		2769	id => "infobox",
		2770	title => "Look",
		2771	reply => undef,
		2772	tooltip => "What you saw there",
		2773	},
		2774	"c/who" => {
		2775	id => "infobox",
		2776	title => "Players",
		2777	reply => undef,
		2778	tooltip => "Shows players who are currently online",
		2779	},
		2780	"c/body" => {
		2781	id => "infobox",
		2782	title => "Body Parts",
		2783	reply => undef,
		2784	tooltip => "Shows which body parts you posess and are available",
		2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
		2822	"c/uptime" => {
		2823	id => "infobox",
		2824	title => "Uptime",
		2825	reply => undef,
		2826	tooltip => "How long the server has been running since last restart",
		2827	},
		2828	"c/mapinfo" => {
		2829	id => "infobox",
		2830	title => "Map Info",
		2831	reply => undef,
		2832	tooltip => "Information related to the maps",
		2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
		2848	);
		2849
		2850	sub cf::client::send_msg {
		2851	my ($self, $channel, $msg, $color, @extra) = @_;
		2852
		2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
		2855
		2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2857
		2858	# check predefined channels, for the benefit of C
		2859	if ($CHANNEL{$channel}) {
		2860	$channel = $CHANNEL{$channel};
		2861
		2862	$self->ext_msg (channel_info => $channel);
		2863	$channel = $channel->{id};
		2864
		2865	} elsif (ref $channel) {
		2866	# send meta info to client, if not yet sent
		2867	unless (exists $self->{channel}{$channel->{id}}) {
		2868	$self->{channel}{$channel->{id}} = $channel;
		2869	$self->ext_msg (channel_info => $channel);
		2870	}
		2871
		2872	$channel = $channel->{id};
		2873	}
		2874
		2875	return unless @extra || length $msg;
		2876
		2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
		2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2884	);
		2885
		2886	# try lzf for large packets
		2887	$pkt = "lzf " . Compress::LZF::compress $pkt
		2888	if 1024 <= length $pkt and $self->{can_lzf};
		2889
		2890	# split very large packets
		2891	if (8192 < length $pkt and $self->{can_lzf}) {
		2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2893	$pkt = "frag";
		2894	}
		2895
		2896	$self->send_packet ($pkt);
		2897	}
		2898
2015	=item $client->ext_event ($type, %msg)	2899	=item $client->ext_msg ($type, @msg)
2016		2900
2017	Sends an exti event to the client.	2901	Sends an ext event to the client.
2018		2902
2019	=cut	2903	=cut
2020		2904
2021	sub cf::client::ext_event($$%) {	2905	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	2906	my ($self, $type, @msg) = @_;
2023		2907
		2908	if ($self->extcmd == 2) {
		2909	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2910	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	2911	push @msg, msgtype => "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
		2915
		2916	=item $client->ext_reply ($msgid, @msg)
		2917
		2918	Sends an ext reply to the client.
		2919
		2920	=cut
		2921
		2922	sub cf::client::ext_reply($$@) {
		2923	my ($self, $id, @msg) = @_;
		2924
		2925	if ($self->extcmd == 2) {
		2926	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2927	} elsif ($self->extcmd == 1) {
		2928	#TODO: version 1, remove
		2929	unshift @msg, msgtype => "reply", msgid => $id;
		2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
2026	}	2932	}
2027		2933
2028	=item $success = $client->query ($flags, "text", \&cb)	2934	=item $success = $client->query ($flags, "text", \&cb)
2029		2935
2030	Queues a query to the client, calling the given callback with	2936	Queues a query to the client, calling the given callback with
2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2937	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2032	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2938	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2033		2939
2034	Queries can fail, so check the return code. Or don't, as queries will become	2940	Queries can fail, so check the return code. Or don't, as queries will
2035	reliable at some point in the future.	2941	become reliable at some point in the future.
2036		2942
2037	=cut	2943	=cut
2038		2944
2039	sub cf::client::query {	2945	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	2946	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	2954	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2955	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		2956
2051	$self->send_packet ($self->{query_queue}[0][0])	2957	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	2958	if @{ $self->{query_queue} } == 1;
		2959
		2960	1
2053	}	2961	}
2054		2962
2055	cf::client->attach (	2963	cf::client->attach (
		2964	on_connect => sub {
		2965	my ($ns) = @_;
		2966
		2967	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2968	},
2056	on_reply => sub {	2969	on_reply => sub {
2057	my ($ns, $msg) = @_;	2970	my ($ns, $msg) = @_;
2058		2971
2059	# this weird shuffling is so that direct followup queries	2972	# this weird shuffling is so that direct followup queries
2060	# get handled first	2973	# get handled first
…		…
2072	} else {	2985	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2986	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	2987	}
2075	}	2988	}
2076	},	2989	},
		2990	on_exticmd => sub {
		2991	my ($ns, $buf) = @_;
		2992
		2993	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2994
		2995	if (ref $msg) {
		2996	my ($type, $reply, @payload) =
		2997	"ARRAY" eq ref $msg
		2998	? @$msg
		2999	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3000
		3001	my @reply;
		3002
		3003	if (my $cb = $EXTICMD{$type}) {
		3004	@reply = $cb->($ns, @payload);
		3005	}
		3006
		3007	$ns->ext_reply ($reply, @reply)
		3008	if $reply;
		3009
		3010	} else {
		3011	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3012	}
		3013
		3014	cf::override;
		3015	},
2077	);	3016	);
2078		3017
2079	=item $client->async (\&cb)	3018	=item $client->async (\&cb)
2080		3019
2081	Create a new coroutine, running the specified callback. The coroutine will	3020	Create a new coroutine, running the specified callback. The coroutine will
…		…
2122	our $safe = new Safe "safe";	3061	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	3062	our $safe_hole = new Safe::Hole;
2124		3063
2125	$SIG{FPE} = 'IGNORE';	3064	$SIG{FPE} = 'IGNORE';
2126		3065
2127	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3066	$safe->permit_only (Opcode::opset qw(
		3067	:base_core :base_mem :base_orig :base_math
		3068	grepstart grepwhile mapstart mapwhile
		3069	sort time
		3070	));
2128		3071
2129	# here we export the classes and methods available to script code	3072	# here we export the classes and methods available to script code
2130		3073
2131	=pod	3074	=pod
2132		3075
2133	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2134		3077
2135	cf::object contr pay_amount pay_player map	3078	cf::object
		3079	contr pay_amount pay_player map x y force_find force_add destroy
		3080	insert remove name archname title slaying race decrease split
		3081	value
		3082
2136	cf::object::player player	3083	cf::object::player
2137	cf::player peaceful	3084	player
2138	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2139		3091
2140	=cut	3092	=cut
2141		3093
2142	for (	3094	for (
2143	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp value msg lore send_msg)],
2144	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2146	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2147	) {	3101	) {
2148	no strict 'refs';	3102	no strict 'refs';
2149	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2150	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2167	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2168		3122
2169	my $qcode = $code;	3123	my $qcode = $code;
2170	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2171	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2172		3128
2173	local $_;	3129	local $_;
2174	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2175		3131
2176	my $eval =	3132	my $eval =
…		…
2219	=back	3175	=back
2220		3176
2221	=cut	3177	=cut
2222		3178
2223	#############################################################################	3179	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294
2295	#############################################################################
2296	# the server's init and main functions	3180	# the server's init and main functions
2297		3181
2298	sub load_facedata {	3182	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2300		3190
2301	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2302		3192
2303	my $faces;	3193	my $facedata;
2304	0 < aio_load $path, $faces	3194	0 < aio_load $path, $facedata
2305	or die "$path: $!";	3195	or die "$path: $!";
2306		3196
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	3197	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		3198
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3199	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
		3209	{
		3210	my $faces = $facedata->{faceinfo};
		3211
2315	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3214
		3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2320	Coro::cede;
2321	}
2322		3219
		3220	cf::cede_to_tick;
		3221	}
		3222
2323	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2325	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2326	or next;	3227	or next;
		3228
2327	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	3230	cf::face::set_smooth $idx, $smooth;
		3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329	} else {	3232	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	3234	}
2332	Coro::cede;	3235
		3236	cf::cede_to_tick;
		3237	}
		3238	}
		3239
2333	}	3240	{
		3241	my $anims = $facedata->{animinfo};
		3242
		3243	while (my ($anim, $info) = each %$anims) {
		3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3245	cf::cede_to_tick;
		3246	}
		3247
		3248	cf::anim::invalidate_all; # d'oh
		3249	}
		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2334		3285
2335	1	3286	1
2336	}	3287	}
2337		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
		3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
		3332	load_resource_file "$MAPDIR/regions"
		3333	or die "unable to load regions file\n";
		3334
		3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
		3339	}
		3340
		3341	sub reload_facedata {
		3342	load_facedata "$DATADIR/facedata"
		3343	or die "unable to load facedata\n";
		3344	}
		3345
		3346	sub reload_archetypes {
		3347	load_resource_file "$DATADIR/archetypes"
		3348	or die "unable to load archetypes\n";
		3349	}
		3350
		3351	sub reload_treasures {
		3352	load_resource_file "$DATADIR/treasures"
		3353	or die "unable to load treasurelists\n";
		3354	}
		3355
2338	sub reload_resources {	3356	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3357	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3358
2341	load_facedata	3359	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3360	reload_archetypes;
2343	}
2344
2345	sub init {
2346	reload_resources;	3361	reload_regions;
2347	}	3362	reload_treasures;
2348		3363
2349	sub cfg_load {	3364	warn "finished reloading resource files\n";
		3365	}
		3366
		3367	sub reload_config {
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	3369	or return;
2352		3370
2353	local $/;	3371	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2355		3373
2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2357		3375
2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2359	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2365	};	3383	};
2366	warn $@ if $@;	3384	warn $@ if $@;
2367	}	3385	}
2368	}	3386	}
2369		3387
		3388	sub pidfile() {
		3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
		3414	}
		3415
2370	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
2371	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2374	(async {	3434	(async {
2375	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2376	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2377	};	3438	};
2378		3439
2379	cfg_load;	3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
		3444	reload_config;
2380	db_init;	3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
2381	load_extensions;	3458	load_extensions;
2382		3459
2383	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
2384	Event::loop;	3461
		3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
2385	}	3470	}
2386		3471
2387	#############################################################################	3472	#############################################################################
2388	# initialisation and cleanup	3473	# initialisation and cleanup
2389		3474
2390	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
2391	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
2392	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
2393	Event->signal (	3479	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2394	reentrant => 0,
2395	data => WF_AUTOCANCEL,
2396	signal => $signal,
2397	prio => 0,
2398	cb => sub {
2399	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
2400	},
2401	);	3481	};
		3482	}
		3483	}
		3484
		3485	sub write_runtime_sync {
		3486	# first touch the runtime file to show we are still running:
		3487	# the fsync below can take a very very long time.
		3488
		3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3490
		3491	my $guard = cf::lock_acquire "write_runtime";
		3492
		3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3494	or return;
		3495
		3496	my $value = $cf::RUNTIME + 90 + 10;
		3497	# 10 is the runtime save interval, for a monotonic clock
		3498	# 60 allows for the watchdog to kill the server.
		3499
		3500	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3501	and return;
		3502
		3503	# always fsync - this file is important
		3504	aio_fsync $fh
		3505	and return;
		3506
		3507	# touch it again to show we are up-to-date
		3508	aio_utime $fh, undef, undef;
		3509
		3510	close $fh
		3511	or return;
		3512
		3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3514	and return;
		3515
		3516	warn "runtime file written.\n";
		3517
2402	}	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
2403	}	3569	}
2404		3570
2405	sub emergency_save() {	3571	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
2407		3573
2408	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
2409		3575
2410	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
2411	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
2412	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
2413	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
2414	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
2415	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
2416	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
2417	$pl->valid or next;	3588	$pl->valid or next;
		3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418	$pl->save;	3590	$pl->save;
2419	}	3591	}
2420	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
2421		3593
2422	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
2423	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
2424	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
2425	$map->valid or next;	3597	$map->valid or next;
2426	$map->save;	3598	$map->save;
2427	}	3599	}
2428	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
2429		3601
2430	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
2431	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
2432	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
2433	};	3609	};
2434		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
2435	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
2436	}	3617	}
2437		3618
2438	sub post_cleanup {	3619	sub post_cleanup {
2439	my ($make_core) = @_;	3620	my ($make_core) = @_;
2440		3621
2441	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3623	if $make_core;
2443	}
2444		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
		3653	}
		3654
2445	sub reload() {	3655	sub do_reload_perl() {
2446	# can/must only be called in main	3656	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
2449	return;	3659	return;
2450	}	3660	}
2451		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
2452	warn "reloading...";	3667	warn "reloading...";
2453		3668
2454	warn "entering sync_job";	3669	warn "entering sync_job";
2455		3670
2456	cf::sync_job {	3671	cf::sync_job {
2457	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
2458	cf::emergency_save;	3673	cf::emergency_save;
2459	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
2460		3675
2461	warn "syncing database to disk";	3676	warn "syncing database to disk";
2462	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
2463		3678
2464	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
2465		3680
2466	warn "cancelling all WF_AUTOCANCEL watchers";
2467	for (Event::all_watchers) {
2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2469	}
2470
2471	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
2472	for (;;) {
2473	BDB::flush;
2474	IO::AIO::flush;
2475	Coro::cede;
2476	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
2477	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2478	}
2479
2480	++$RELOAD;
2481
2482	warn "cancelling all extension coros";
2483	$_->cancel for values %EXT_CORO;
2484	%EXT_CORO = ();
2485
2486	warn "removing commands";
2487	%COMMAND = ();
2488
2489	warn "removing ext commands";
2490	%EXTCMD = ();
2491
2492	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";
2495
2496	if (my $cb = $pkg->can ("unload")) {
2497	eval {
2498	$cb->($pkg);
2499	1
2500	} or warn "$pkg unloaded, but with errors: $@";
2501	}	3684	}
2502		3685
2503	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
2504	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
2505	}	3688	%EXT_CORO = ();
2506		3689
2507	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
2508	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2510		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
2511	warn "... unloading $k";	3699	warn "... unloading $pkg";
2512	delete $INC{$k};
2513		3700
2514	$k =~ s/\.pm$//;
2515	$k =~ s/\//::/g;
2516
2517	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
2518	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
2519	}	3710	}
2520		3711
2521	Symbol::delete_package $k;	3712	warn "unloading all perl modules loaded from $LIBDIR";
		3713	while (my ($k, $v) = each %INC) {
		3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
2522	}	3727	}
2523		3728
2524	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
2525	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		3732
2528	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
		3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2530		3736
2531	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3738	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
2534		3740
2535	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
2536		3742
2537	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
2538	require cf;	3744	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2540		3746
2541	warn "loading config and database again";	3747	warn "loading config and database again";
2542	cf::cfg_load;	3748	cf::reload_config;
2543		3749
2544	warn "loading extensions";	3750	warn "loading extensions";
2545	cf::load_extensions;	3751	cf::load_extensions;
2546		3752
		3753	if ($REATTACH_ON_RELOAD) {
2547	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
2548	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
2549	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
2553		3761
2554	warn "loading reloadable resources";	3762	warn "running post_init jobs";
2555	reload_resources;	3763	(pop @POST_INIT)->(1) while @POST_INIT;
2556		3764
2557	warn "leaving sync_job";	3765	warn "leaving sync_job";
2558		3766
2559	1	3767	1
2560	} or do {	3768	} or do {
2561	warn $@;	3769	warn $@;
2562	warn "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
2563	exit 1;	3771	};
		3772
		3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
		3779	};
		3780
		3781	our $RELOAD_WATCHER; # used only during reload
		3782
		3783	sub reload_perl() {
		3784	# doing reload synchronously and two reloads happen back-to-back,
		3785	# coro crashes during coro_state_free->destroy here.
		3786
		3787	$RELOAD_WATCHER ||= cf::async {
		3788	Coro::AIO::aio_wait cache_extensions;
		3789
		3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3791	do_reload_perl;
		3792	undef $RELOAD_WATCHER;
		3793	};
2564	};	3794	};
2565		3795	}
2566	warn "reloaded";
2567	};
2568
2569	our $RELOAD_WATCHER; # used only during reload
2570		3796
2571	register_command "reload" => sub {	3797	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
2573		3799
2574	if ($who->flag (FLAG_WIZ)) {	3800	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3801	$who->message ("reloading server.");
2576		3802	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	3803	$Coro::current->{desc} = "perl_reload";
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;	3804	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	3805	};
2589	}	3806	}
2590	};	3807	};
2591		3808
2592	unshift @INC, $LIBDIR;	3809	unshift @INC, $LIBDIR;
2593		3810
2594	my $bug_warning = 0;	3811	my $bug_warning = 0;
2595		3812
2596	$TICK_WATCHER = Event->timer (	3813	our @WAIT_FOR_TICK;
2597	reentrant => 0,	3814	our @WAIT_FOR_TICK_BEGIN;
2598	parked => 1,	3815
2599	prio => 0,	3816	sub wait_for_tick {
2600	at => $NEXT_TICK || $TICK,	3817	return if tick_inhibit || $Coro::current == $Coro::main;
2601	data => WF_AUTOCANCEL,	3818
2602	cb => sub {	3819	my $signal = new Coro::Signal;
		3820	push @WAIT_FOR_TICK, $signal;
		3821	$signal->wait;
		3822	}
		3823
		3824	sub wait_for_tick_begin {
		3825	return if tick_inhibit || $Coro::current == $Coro::main;
		3826
		3827	my $signal = new Coro::Signal;
		3828	push @WAIT_FOR_TICK_BEGIN, $signal;
		3829	$signal->wait;
		3830	}
		3831
		3832	sub tick {
2603	if ($Coro::current != $Coro::main) {	3833	if ($Coro::current != $Coro::main) {
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
2606	return;	3836	return;
2607	}	3837	}
2608		3838
2609	$NOW = Event::time;
2610
2611	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
2612	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;
2614		3840
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617	Coro::async_pool {	3843	Coro::async_pool {
		3844	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	3845	write_runtime_sync
2619	or warn "ERROR: unable to write runtime file: $!";	3846	or warn "ERROR: unable to write runtime file: $!";
2620	};
2621	}	3847	};
2622
2623	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626	# my $AFTER = Event::time;
2627	# warn $AFTER - $NOW;#d#
2628
2629	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2631
2632	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;
2634	},	3848	}
2635	);	3849
		3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3851	$sig->send;
		3852	}
		3853	while (my $sig = shift @WAIT_FOR_TICK) {
		3854	$sig->send;
		3855	}
		3856
		3857	$LOAD = ($NOW - $TICK_START) / $TICK;
		3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3859
		3860	if (0) {
		3861	if ($NEXT_TICK) {
		3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
		3866	}
		3867	}
2636		3868
2637	{	3869	{
2638	BDB::max_poll_time $TICK * 0.1;	3870	# configure BDB
2639	$BDB_POLL_WATCHER = Event->io (	3871
2640	reentrant => 0,
2641	fd => BDB::poll_fileno,
2642	poll => 'r',
2643	prio => 0,
2644	data => WF_AUTOCANCEL,
2645	cb => \&BDB::poll_cb,
2646	);
2647	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
2648		3873	BDB::max_poll_reqs $TICK * 0.1;
2649	BDB::set_sync_prepare {	3874	$AnyEvent::BDB::WATCHER->priority (1);
2650	my $status;
2651	my $current = $Coro::current;
2652	(
2653	sub {
2654	$status = $!;
2655	$current->ready; undef $current;
2656	},
2657	sub {
2658	Coro::schedule while defined $current;
2659	$! = $status;
2660	},
2661	)
2662	};
2663		3875
2664	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
2665	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
		3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2666		3883
2667	cf::sync_job {	3884	cf::sync_job {
2668	eval {	3885	eval {
2669	BDB::db_env_open	3886	BDB::db_env_open
2670	$DB_ENV,	3887	$DB_ENV,
2671	$BDB_ENV_DIR,	3888	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3889	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3890	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3891	0666;
2675		3892
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3893	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;
2680	};	3894	};
2681		3895
2682	cf::cleanup "db_env_open(db): $@" if $@;	3896	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	3897	};
2684	}	3898	}
		3899
		3900	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3901	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3902	};
		3903	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3904	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3905	};
		3906	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3907	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3908	};
2685	}	3909	}
2686		3910
2687	{	3911	{
		3912	# configure IO::AIO
		3913
2688	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
2689
2690	undef $Coro::AIO::WATCHER;
2691	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
2692	$AIO_POLL_WATCHER = Event->io (	3916	undef $AnyEvent::AIO::WATCHER;
2693	reentrant => 0,
2694	data => WF_AUTOCANCEL,
2695	fd => IO::AIO::poll_fileno,
2696	poll => 'r',
2697	prio => 6,
2698	cb => \&IO::AIO::poll_cb,
2699	);
2700	}	3917	}
		3918
		3919	my $_log_backtrace;
		3920
		3921	sub _log_backtrace {
		3922	my ($msg, @addr) = @_;
		3923
		3924	$msg =~ s/\n//;
		3925
		3926	# limit the # of concurrent backtraces
		3927	if ($_log_backtrace < 2) {
		3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
		3930	async {
		3931	$Coro::current->{desc} = "abt $msg";
		3932
		3933	my @bt = fork_call {
		3934	@addr = map { sprintf "%x", $_ } @addr;
		3935	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3936	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3937	or die "addr2line: $!";
		3938
		3939	my @funcs;
		3940	my @res = <$fh>;
		3941	chomp for @res;
		3942	while (@res) {
		3943	my ($func, $line) = splice @res, 0, 2, ();
		3944	push @funcs, "[$func] $line";
		3945	}
		3946
		3947	@funcs
		3948	};
		3949
		3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3952	LOG llevInfo, "[ABT] $_\n" for @bt;
		3953	--$_log_backtrace;
		3954	};
		3955	} else {
		3956	LOG llevInfo, "[ABT] $msg\n";
		3957	LOG llevInfo, "[ABT] [suppressed]\n";
		3958	}
		3959	}
		3960
		3961	# load additional modules
		3962	require "cf/$_.pm" for @EXTRA_MODULES;
2701		3963
2702	END { cf::emergency_save }	3964	END { cf::emergency_save }
2703		3965
2704	1	3966	1
2705		3967

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