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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 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 "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
28		87
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		89
36	our %COMMAND = ();	90	our %COMMAND = ();
37	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
38		92
39	our @EXTS = (); # list of extension package names	93	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	94	our %EXTCMD = ();
		95	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
43		98
		99	our $RELOAD; # number of reloads so far
44	our @EVENT;	100	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		101
47	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	103	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	104	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	105	our $PODDIR = "$DATADIR/pod";
		106	our $MAPDIR = "$DATADIR/" . mapdir;
		107	our $LOCALDIR = localdir;
		108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		111	our $RANDOMDIR = "$LOCALDIR/random";
		112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
		117
		118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	120	our $NEXT_TICK;
52	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
		125	our $BDB_TRICKLE_WATCHER;
		126	our $DB_ENV;
54		127
55	our %CFG;	128	our %CFG;
56		129
57	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
59		133
60	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		137
68	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
71	binmode STDOUT;	146	binmode STDOUT;
72	binmode STDERR;	147	binmode STDERR;
73		148
74	# read virtual server time, if available	149	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
76	open my $fh, "<", cf::localdir . "/runtime"	151	open my $fh, "<", $RUNTIMEFILE
77	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
78	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
79	}	154	}
80		155
81	mkdir cf::localdir;	156	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		158
87	our $EMERGENCY_POSITION;	159	our $EMERGENCY_POSITION;
88		160
89	sub cf::map::normalise;	161	sub cf::map::normalise;
90		162
…		…
101	=item $cf::RUNTIME	173	=item $cf::RUNTIME
102		174
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	175	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	176	every server tick.
105		177
106	=item $cf::LIBDIR	178	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		179	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		180	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		181
108	The perl library directory, where extensions and cf-specific modules can	182	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	183	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		184	unique-items directory, player file directory, random maps directory and
		185	database environment.
110		186
111	=item $cf::NOW	187	=item $cf::NOW
112		188
113	The time of the last (current) server tick.	189	The time of the last (current) server tick.
114		190
115	=item $cf::TICK	191	=item $cf::TICK
116		192
117	The interval between server ticks, in seconds.	193	The interval between server ticks, in seconds.
118		194
		195	=item $cf::LOADAVG
		196
		197	The current CPU load on the server (alpha-smoothed), as a value between 0
		198	(none) and 1 (overloaded), indicating how much time is spent on processing
		199	objects per tick. Healthy values are < 0.5.
		200
		201	=item $cf::LOAD
		202
		203	The raw value load value from the last tick.
		204
119	=item %cf::CFG	205	=item %cf::CFG
120		206
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	208	from wherever your confdir points to.
123		209
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		211
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	213	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.	215
		216	=item @cf::INVOKE_RESULTS
		217
		218	This array contains the results of the last C<invoke ()> call. When
		219	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		220	that call.
130		221
131	=back	222	=back
132		223
133	=cut	224	=cut
134		225
135	BEGIN {	226	BEGIN {
136	*CORE::GLOBAL::warn = sub {	227	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	228	my $msg = join "", @_;
138	utf8::encode $msg;
139		229
140	$msg .= "\n"	230	$msg .= "\n"
141	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
142		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
143	LOG llevError, $msg;	235	LOG llevError, $msg;
144	};	236	};
145	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
146		253
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	258	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		259	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	260	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		261
154	# we bless all objects into (empty) derived classes to force a method lookup	262	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	263	# within the Safe compartment.
156	for my $pkg (qw(	264	for my $pkg (qw(
157	cf::global cf::attachable	265	cf::global cf::attachable
158	cf::object cf::object::player	266	cf::object cf::object::player
159	cf::client cf::player	267	cf::client cf::player
160	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
161	cf::map cf::party cf::region	270	cf::party cf::region
162	)) {	271	)) {
163	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	273	}
166		274
167	$Event::DIED = sub {	275	$EV::DIED = sub {
168	warn "error in event callback: @_";	276	warn "error in event callback: @_";
169	};	277	};
		278
		279	#############################################################################
170		280
171	=head2 UTILITY FUNCTIONS	281	=head2 UTILITY FUNCTIONS
172		282
173	=over 4	283	=over 4
174		284
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	304	$d
195	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
196	}	306	}
197		307
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
201		309
202	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
203		311
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
212		313
213	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
214		315
215	=cut	316	=cut
216		317
217	sub to_json($) {	318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	319
219	JSON::Syck::Dump $_[0]	320	sub encode_json($) { $json_coder->encode ($_[0]) }
220	}	321	sub decode_json($) { $json_coder->decode ($_[0]) }
221		322
222	=item cf::lock_wait $string	323	=item cf::lock_wait $string
223		324
224	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
225		326
…		…
228	Wait until the given lock is available and then acquires it and returns	329	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	330	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
231	returned.	332	returned.
232		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
233	Lock names should begin with a unique identifier (for example, cf::map::find	337	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
235		339
		340	=item $locked = cf::lock_active $string
		341
		342	Return true if the lock is currently active, i.e. somebody has locked it.
		343
236	=cut	344	=cut
237		345
238	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
239		348
240	sub lock_wait($) {	349	sub lock_wait($) {
241	my ($key) = @_;	350	my ($key) = @_;
		351
		352	if ($LOCKER{$key} == $Coro::current) {#d#
		353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		354	return;#d#
		355	}#d#
242		356
243	# wait for lock, if any	357	# wait for lock, if any
244	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	360	Coro::schedule;
…		…
252		366
253	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
254	lock_wait $key;	368	lock_wait $key;
255		369
256	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
257		372
258	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
261	}	377	}
262	}	378	}
263		379
		380	sub lock_active($) {
		381	my ($key) = @_;
		382
		383	! ! $LOCK{$key}
		384	}
		385
264	sub freeze_mainloop {	386	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
266		388
267	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
268	$TICK_WATCHER->start;	390	}
269	$WRITE_RUNTIME_WATCHER->start;	391
		392	=item cf::periodic $interval, $cb
		393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
270	};	450	}
271	$WRITE_RUNTIME_WATCHER->stop;	451	};
272	$TICK_WATCHER->stop;	452
273	$guard	453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
		456	my ($time, $pri, $name) = @_;
		457
		458	$time = $TICK * .6 if $time > $TICK * .6;
		459	my $sig = new Coro::Signal;
		460
		461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		463	$SLOT_QUEUE->ready;
		464	$sig->wait;
274	}	465	}
275		466
276	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
277		468
278	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		474
284	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
285		476
286	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
287		478
288	The design of crossfire+ requires that the main coro ($Coro::main) is	479	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	480	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		482	acceptable.
291		483
292	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	486	server will be frozen during this time, so the block should either finish
295	fast or be very important.	487	fast or be very important.
…		…
298		490
299	sub sync_job(&) {	491	sub sync_job(&) {
300	my ($job) = @_;	492	my ($job) = @_;
301		493
302	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
		495	my $time = EV::time;
		496
303	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
305		499
306	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	501
308	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
309		503
310	my $busy = 1;	504	my $busy = 1;
311	my @res;	505	my @res;
312		506
313	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	509	@res = eval { $job->() };
315	warn $@ if $@;	510	warn $@ if $@;
316	undef $busy;	511	undef $busy;
317	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
318		513
319	while ($busy) {	514	while ($busy) {
320	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
321	}	519	}
		520	}
		521
		522	my $time = EV::time - $time;
		523
		524	$TICK_START += $time; # do not account sync jobs to server load
322		525
323	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
324	} else {	527	} else {
325	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
326		529
…		…
346	$EXT_CORO{$coro+0} = $coro;	549	$EXT_CORO{$coro+0} = $coro;
347		550
348	$coro	551	$coro
349	}	552	}
350		553
351	sub write_runtime {	554	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		555
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	556	Executes the given code block with the given arguments in a seperate
355	or return;	557	process, returning the results. Everything must be serialisable with
		558	Coro::Storable. May, of course, block. Note that the executed sub may
		559	never block itself or use any form of event handling.
356		560
357	my $value = $cf::RUNTIME + 90 + 10;	561	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		562
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	563	sub fork_call(&@) {
362	and return;	564	my ($cb, @args) = @_;
363		565
364	# always fsync - this file is important	566	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	567	# otherwise perl prematurely frees the stuff :/
366	and return;	568	# TODO: investigate and fix (likely this will be rather laborious)
367		569
368	close $fh	570	my @res = Coro::Util::fork_eval {
369	or return;	571	reset_signals;
		572	&$cb
		573	}, @args;
370		574
371	aio_rename "$runtime~", $runtime	575	wantarray ? @res : $res[-1]
372	and return;	576	}
373		577
		578	=item $coin = coin_from_name $name
		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
		603	}
		604
		605	=item $value = cf::db_get $family => $key
		606
		607	Returns a single value from the environment database.
		608
		609	=item cf::db_put $family => $key => $value
		610
		611	Stores the given C<$value> in the family. It can currently store binary
		612	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		613
		614	=item $db = cf::db_table "name"
		615
		616	Create and/or open a new database table. The string must not be "db" and must be unique
		617	within each server.
		618
		619	=cut
		620
		621	sub db_table($) {
		622	my ($name) = @_;
		623	my $db = BDB::db_create $DB_ENV;
		624
		625	eval {
		626	$db->set_flags (BDB::CHKSUM);
		627
		628	utf8::encode $name;
		629	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		630	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		631	cf::cleanup "db_open(db): $!" if $!;
		632	};
		633	cf::cleanup "db_open(db): $@" if $@;
		634
		635	$db
		636	}
		637
		638	our $DB;
		639
		640	sub db_init {
		641	cf::sync_job {
		642	$DB ||= db_table "db";
		643	};
		644	}
		645
		646	sub db_get($$) {
		647	my $key = "$_[0]/$_[1]";
		648
		649	cf::sync_job {
		650	BDB::db_get $DB, undef, $key, my $data;
		651
		652	$! ? ()
		653	: $data
374	1	654	}
		655	}
		656
		657	sub db_put($$$) {
		658	BDB::dbreq_pri 4;
		659	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		660	}
		661
		662	=item cf::cache $id => [$paths...], $processversion => $process
		663
		664	Generic caching function that returns the value of the resource $id,
		665	caching and regenerating as required.
		666
		667	This function can block.
		668
		669	=cut
		670
		671	sub cache {
		672	my ($id, $src, $processversion, $process) = @_;
		673
		674	my $meta =
		675	join "\x00",
		676	$processversion,
		677	map {
		678	aio_stat $_
		679	and Carp::croak "$_: $!";
		680
		681	($_, (stat _)[7,9])
		682	} @$src;
		683
		684	my $dbmeta = db_get cache => "$id/meta";
		685	if ($dbmeta ne $meta) {
		686	# changed, we may need to process
		687
		688	my @data;
		689	my $md5;
		690
		691	for (0 .. $#$src) {
		692	0 <= aio_load $src->[$_], $data[$_]
		693	or Carp::croak "$src->[$_]: $!";
		694	}
		695
		696	# if processing is expensive, check
		697	# checksum first
		698	if (1) {
		699	$md5 =
		700	join "\x00",
		701	$processversion,
		702	map {
		703	cf::cede_to_tick;
		704	($src->[$_], Digest::MD5::md5_hex $data[$_])
		705	} 0.. $#$src;
		706
		707
		708	my $dbmd5 = db_get cache => "$id/md5";
		709	if ($dbmd5 eq $md5) {
		710	db_put cache => "$id/meta", $meta;
		711
		712	return db_get cache => "$id/data";
		713	}
		714	}
		715
		716	my $t1 = Time::HiRes::time;
		717	my $data = $process->(\@data);
		718	my $t2 = Time::HiRes::time;
		719
		720	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		721
		722	db_put cache => "$id/data", $data;
		723	db_put cache => "$id/md5" , $md5;
		724	db_put cache => "$id/meta", $meta;
		725
		726	return $data;
		727	}
		728
		729	db_get cache => "$id/data"
		730	}
		731
		732	=item cf::datalog type => key => value, ...
		733
		734	Log a datalog packet of the given type with the given key-value pairs.
		735
		736	=cut
		737
		738	sub datalog($@) {
		739	my ($type, %kv) = @_;
		740	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	741	}
376		742
377	=back	743	=back
378		744
379	=cut	745	=cut
380		746
381	#############################################################################	747	#############################################################################
382		748
383	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
384		750
385	Many objects in crossfire are so-called attachable objects. That means you can	751	Many objects in deliantra are so-called attachable objects. That means you can
386	attach callbacks/event handlers (a collection of which is called an "attachment")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
388		754
389	In the following description, CLASS can be any of C<global>, C<object>	755	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	757	Deliantra).
392		758
393	=over 4	759	=over 4
394		760
395	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
396		762
…		…
440	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
441		807
442	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
443	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
444		810
445	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
446	that are attached at load/instantiate time, thus the need for a name.	812	that are attached at load/instantiate time, thus the need for a name.
447		813
448	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
449		815
450	=over 4	816	=over 4
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	925	$registry = $CB_TYPE[$object_type] ||= [];
560		926
561	} elsif ($type eq "subtype") {	927	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	928	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	929	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	930	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		931
566	} elsif ($type eq "package") {	932	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	933	my $pkg = shift @arg;
568		934
569	while (my ($name, $id) = each %cb_id) {	935	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	964	_attach $registry, $klass, @attach;
599	}	965	}
600		966
601	$obj->{$name} = \%arg;	967	$obj->{$name} = \%arg;
602	} else {	968	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	969	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	970	}
605		971
606	$obj->{_attachment}{$name} = undef;	972	$obj->{_attachment}{$name} = undef;
607	}	973	}
608		974
…		…
610	if (ref $_[0]) {	976	if (ref $_[0]) {
611	_object_attach @_;	977	_object_attach @_;
612	} else {	978	} else {
613	_attach shift->_attach_registry, @_;	979	_attach shift->_attach_registry, @_;
614	}	980	}
		981	_recalc_want;
615	};	982	};
616		983
617	# all those should be optimised	984	# all those should be optimised
618	sub cf::attachable::detach {	985	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	989	delete $obj->{_attachment}{$name};
623	reattach ($obj);	990	reattach ($obj);
624	} else {	991	} else {
625	Carp::croak "cannot, currently, detach class attachments";	992	Carp::croak "cannot, currently, detach class attachments";
626	}	993	}
		994	_recalc_want;
627	};	995	};
628		996
629	sub cf::attachable::attached {	997	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	998	my ($obj, $name) = @_;
631		999
…		…
646	";	1014	";
647	die if $@;	1015	die if $@;
648	}	1016	}
649		1017
650	our $override;	1018	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1019	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		1020
653	sub override {	1021	sub override {
654	$override = 1;	1022	$override = 1;
655	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
656	}	1024	}
657		1025
658	sub do_invoke {	1026	sub do_invoke {
659	my $event = shift;	1027	my $event = shift;
660	my $callbacks = shift;	1028	my $callbacks = shift;
661		1029
662	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
663		1031
664	local $override;	1032	local $override;
665		1033
666	for (@$callbacks) {	1034	for (@$callbacks) {
667	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
676	}	1044	}
677		1045
678	0	1046	0
679	}	1047	}
680		1048
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1050
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1052
685	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
686		1054
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1055	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	1056	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1058
691	=back	1059	=back
692		1060
693	=cut	1061	=cut
694		1062
695	#############################################################################	1063	#############################################################################
696	# object support	1064	# object support
		1065
		1066	sub _object_equal($$);
		1067	sub _object_equal($$) {
		1068	my ($a, $b) = @_;
		1069
		1070	return 0 unless (ref $a) eq (ref $b);
		1071
		1072	if ("HASH" eq ref $a) {
		1073	my @ka = keys %$a;
		1074	my @kb = keys %$b;
		1075
		1076	return 0 if @ka != @kb;
		1077
		1078	for (0 .. $#ka) {
		1079	return 0 unless $ka[$_] eq $kb[$_];
		1080	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1081	}
		1082
		1083	} elsif ("ARRAY" eq ref $a) {
		1084
		1085	return 0 if @$a != @$b;
		1086
		1087	for (0 .. $#$a) {
		1088	return 0 unless _object_equal $a->[$_], $b->[$_];
		1089	}
		1090
		1091	} elsif ($a ne $b) {
		1092	return 0;
		1093	}
		1094
		1095	1
		1096	}
		1097
		1098	our $SLOW_MERGES;#d#
		1099	sub _can_merge {
		1100	my ($ob1, $ob2) = @_;
		1101
		1102	++$SLOW_MERGES;#d#
		1103
		1104	# we do the slow way here
		1105	return _object_equal $ob1, $ob2
		1106	}
697		1107
698	sub reattach {	1108	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1110	my ($obj) = @_;
701		1111
		1112	# no longer needed after getting rid of delete_package?
702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
703		1114
704	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
705		1116
706	@$registry = ();	1117	@$registry = ();
707		1118
…		…
722	cf::attachable->attach (	1133	cf::attachable->attach (
723	prio => -1000000,	1134	prio => -1000000,
724	on_instantiate => sub {	1135	on_instantiate => sub {
725	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
726		1137
727	$data = from_json $data;	1138	$data = decode_json $data;
728		1139
729	for (@$data) {	1140	for (@$data) {
730	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
731		1142
732	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1159	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
750		1161
751	sync_job {	1162	sync_job {
752	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
755		1167
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1172	aio_close $fh;
761		1173
762	if (@$objs) {	1174	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1180	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
770	}	1182	}
771	} else {	1183	} else {
772	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
773	}	1185	}
…		…
778	}	1190	}
779	} else {	1191	} else {
780	aio_unlink $filename;	1192	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
782	}	1194	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1195	};
790	}	1196	}
791		1197
792	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
794		1200
…		…
799		1205
800	sub object_thawer_load {	1206	sub object_thawer_load {
801	my ($filename) = @_;	1207	my ($filename) = @_;
802		1208
803	my ($data, $av);	1209	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1210
808	(aio_load $filename, $data) >= 0	1211	(aio_load $filename, $data) >= 0
809	or return;	1212	or return;
810		1213
811	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
813	or return;	1216	or return;
		1217
814	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
815	}	1220	}
816		1221
		1222	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1224	$decname, length $data, scalar @{$av || []};
		1225
819	return ($data, $av);	1226	($data, $av)
820	}	1227	}
		1228
		1229	=head2 COMMAND CALLBACKS
		1230
		1231	=over 4
		1232
		1233	=cut
821		1234
822	#############################################################################	1235	#############################################################################
823	# command handling &c	1236	# command handling &c
824		1237
825	=item cf::register_command $name => \&callback($ob,$args);	1238	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1252	}
840		1253
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1255
843	Register a callbackf ro execution when the client sends an extcmd packet.	1256	Register a callback for execution when the client sends an (synchronous)
		1257	extcmd packet. Ext commands will be processed in the order they are
		1258	received by the server, like other user commands. The first argument is
		1259	the logged-in player. Ext commands can only be processed after a player
		1260	has logged in successfully.
844		1261
845	If the callback returns something, it is sent back as if reply was being	1262	If the callback returns something, it is sent back as if reply was being
846	called.	1263	called.
847		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
848	=cut	1276	=cut
849		1277
850	sub register_extcmd {	1278	sub register_extcmd {
851	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
852		1280
853	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
854	}	1288	}
855		1289
856	cf::player->attach (	1290	cf::player->attach (
857	on_command => sub {	1291	on_command => sub {
858	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1301	cf::override;
868	},	1302	},
869	on_extcmd => sub {	1303	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
871		1305
872	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1307
874	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
880	} else {	1323	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1325	}
883		1326
884	cf::override;	1327	cf::override;
885	},	1328	},
886	);	1329	);
887		1330
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1331	sub load_extensions {
		1332	cf::sync_job {
		1333	my %todo;
		1334
923	for my $ext (<$LIBDIR/*.ext>) {	1335	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1336	next unless -r $path;
925	eval {	1337
926	load_extension $ext;	1338	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1339	my $base = $1;
		1340	my $pkg = $1;
		1341	$pkg =~ s/[^[:word:]]/_/g;
		1342	$pkg = "ext::$pkg";
		1343
		1344	open my $fh, "<:utf8", $path
		1345	or die "$path: $!";
		1346
		1347	my $source = do { local $/; <$fh> };
		1348
		1349	my %ext = (
		1350	path => $path,
		1351	base => $base,
		1352	pkg => $pkg,
		1353	);
		1354
		1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1357
		1358	$ext{source} =
		1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1360	. "#line 1 \"$path\"\n{\n"
		1361	. $source
		1362	. "\n};\n1";
		1363
		1364	$todo{$base} = \%ext;
		1365	}
		1366
		1367	my %done;
		1368	while (%todo) {
		1369	my $progress;
		1370
		1371	while (my ($k, $v) = each %todo) {
		1372	for (split /,\s*/, $v->{meta}{depends}) {
		1373	goto skip
		1374	unless exists $done{$_};
		1375	}
		1376
		1377	warn "... loading '$k' into '$v->{pkg}'\n";
		1378
		1379	unless (eval $v->{source}) {
		1380	my $msg = $@ ? "$v->{path}: $@\n"
		1381	: "$v->{base}: extension inactive.\n";
		1382
		1383	if (exists $v->{meta}{mandatory}) {
		1384	warn $msg;
		1385	cf::cleanup "mandatory extension failed to load, exiting.";
		1386	}
		1387
		1388	warn $msg;
		1389	}
		1390
		1391	$done{$k} = delete $todo{$k};
		1392	push @EXTS, $v->{pkg};
		1393	$progress = 1;
927	1	1394	}
928	} or warn "$ext not loaded: $@";	1395
		1396	skip:
		1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1398	unless $progress;
		1399	}
929	}	1400	};
930	}	1401	}
931		1402
932	#############################################################################	1403	#############################################################################
933		1404
		1405	=back
		1406
934	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
935		1408
936	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
937		1410
938	=cut	1411	=cut
939		1412
940	package cf::player;	1413	package cf::player;
941		1414
…		…
943		1416
944	=head3 cf::player	1417	=head3 cf::player
945		1418
946	=over 4	1419	=over 4
947		1420
		1421	=item cf::player::num_playing
		1422
		1423	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1424
		1425	=cut
		1426
		1427	sub num_playing {
		1428	scalar grep
		1429	$_->ob->map
		1430	&& !$_->hidden
		1431	&& !$_->ob->flag (cf::FLAG_WIZ),
		1432	cf::player::list
		1433	}
		1434
948	=item cf::player::find $login	1435	=item cf::player::find $login
949		1436
950	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
951		1438
952	=cut	1439	=cut
953		1440
954	sub playerdir($) {	1441	sub playerdir($) {
955	cf::localdir	1442	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1443	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1444	}
961		1445
962	sub path($) {	1446	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1447	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1448
965	(playerdir $login) . "/$login.pl"	1449	(playerdir $login) . "/playerdata"
966	}	1450	}
967		1451
968	sub find_active($) {	1452	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1453	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1454	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1467	my $login = $_[0];
984		1468
985	my $guard = cf::lock_acquire "user_find:$login";	1469	my $guard = cf::lock_acquire "user_find:$login";
986		1470
987	$cf::PLAYER{$_[0]} || do {	1471	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1472	# rename old playerfiles to new ones
		1473	#TODO: remove when no longer required
		1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1477	aio_unlink +(playerdir $login) . "/$login.pl";
		1478
		1479	my $f = new_from_file cf::object::thawer path $login
989	or return;	1480	or return;
		1481
		1482	my $pl = cf::player::load_pl $f
		1483	or return;
		1484
		1485	local $cf::PLAYER_LOADING{$login} = $pl;
		1486	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
991	}	1488	}
992	}	1489	}
993	}	1490	}
994		1491
…		…
1003	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1004		1501
1005	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1007		1504
		1505	cf::get_slot 0.01;
		1506
1008	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1009	Coro::cede;	1508	cf::cede_to_tick;
1010	}	1509	}
1011		1510
1012	sub new($) {	1511	sub new($) {
1013	my ($login) = @_;	1512	my ($login) = @_;
1014		1513
…		…
1020	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1021		1520
1022	$self	1521	$self
1023	}	1522	}
1024		1523
		1524	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1525
		1526	=cut
		1527
		1528	sub send_msg {
		1529	my $ns = shift->ns
		1530	or return;
		1531	$ns->send_msg (@_);
		1532	}
		1533
1025	=item $pl->quit_character	1534	=item $pl->quit_character
1026		1535
1027	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1029		1538
1030	=cut	1539	=cut
1031		1540
1032	sub quit_character {	1541	sub quit_character {
1033	my ($pl) = @_;	1542	my ($pl) = @_;
1034		1543
		1544	my $name = $pl->ob->name;
		1545
1035	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1548
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1042		1555
1043	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1558	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1559	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1560	$pl->destroy;
		1561
		1562	my $prefix = qr<^~\Q$name\E/>;
		1563
		1564	# nuke player maps
		1565	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1566
1048	IO::AIO::aio_rmtree $temp;	1567	IO::AIO::aio_rmtree $temp;
		1568	}
		1569
		1570	=item $pl->kick
		1571
		1572	Kicks a player out of the game. This destroys the connection.
		1573
		1574	=cut
		1575
		1576	sub kick {
		1577	my ($pl, $kicker) = @_;
		1578
		1579	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1580	$pl->killer ("kicked");
		1581	$pl->ns->destroy;
1049	}	1582	}
1050		1583
1051	=item cf::player::list_logins	1584	=item cf::player::list_logins
1052		1585
1053	Returns am arrayref of all valid playernames in the system, can take a	1586	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1587	while and may block, so not sync_job-capable, ever.
1055		1588
1056	=cut	1589	=cut
1057		1590
1058	sub list_logins {	1591	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1592	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1593	or return [];
1061		1594
1062	my @logins;	1595	my @logins;
1063		1596
1064	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
		1598	my $path = path $login;
		1599
		1600	# a .pst is a dead give-away for a valid player
		1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1068		1607
1069	utf8::decode $login;	1608	utf8::decode $login;
1070	push @logins, $login;	1609	push @logins, $login;
1071	}	1610	}
1072		1611
…		…
1099	}	1638	}
1100		1639
1101	\@paths	1640	\@paths
1102	}	1641	}
1103		1642
		1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1644
		1645	Expand deliantra pod fragments into protocol xml.
		1646
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1105		1648
1106	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1107		1650
1108	=cut	1651	=cut
1109		1652
1110	sub ext_reply($$$%) {	1653	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1112		1655
1113	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1657	}
1117		1658
1118	package cf;	1659	=item $player->ext_msg ($type, @msg)
		1660
		1661	Sends an ext event to the client.
		1662
		1663	=cut
		1664
		1665	sub ext_msg($$@) {
		1666	my ($self, $type, @msg) = @_;
		1667
		1668	$self->ns->ext_msg ($type, @msg);
		1669	}
		1670
		1671	=head3 cf::region
		1672
		1673	=over 4
		1674
		1675	=cut
		1676
		1677	package cf::region;
		1678
		1679	=item cf::region::find_by_path $path
		1680
		1681	Tries to decuce the likely region for a map knowing only its path.
		1682
		1683	=cut
		1684
		1685	sub find_by_path($) {
		1686	my ($path) = @_;
		1687
		1688	my ($match, $specificity);
		1689
		1690	for my $region (list) {
		1691	if ($region->{match} && $path =~ $region->{match}) {
		1692	($match, $specificity) = ($region, $region->specificity)
		1693	if $region->specificity > $specificity;
		1694	}
		1695	}
		1696
		1697	$match
		1698	}
1119		1699
1120	=back	1700	=back
1121
1122		1701
1123	=head3 cf::map	1702	=head3 cf::map
1124		1703
1125	=over 4	1704	=over 4
1126		1705
…		…
1138	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1140		1719
1141	sub generate_random_map {	1720	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1143	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1726	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1763	my ($self, $merge) = @_;
1182		1764
1183	# we have to keep some variables in memory intact	1765	# we have to keep some variables in memory intact
1184	local $self->{path};	1766	local $self->{path};
1185	local $self->{load_path};	1767	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1768
1189	$self->SUPER::thawer_merge ($merge);	1769	$self->SUPER::thawer_merge ($merge);
1190	}	1770	}
1191		1771
1192	sub normalise {	1772	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1240	return $self;	1820	return $self;
1241	}	1821	}
1242	}	1822	}
1243		1823
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1825	()
1246	}	1826	}
1247		1827
1248	sub init {	1828	sub init {
1249	my ($self) = @_;	1829	my ($self) = @_;
…		…
1264		1844
1265	# the original (read-only) location	1845	# the original (read-only) location
1266	sub load_path {	1846	sub load_path {
1267	my ($self) = @_;	1847	my ($self) = @_;
1268		1848
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1849	"$MAPDIR/$self->{path}.map"
1270	}	1850	}
1271		1851
1272	# the temporary/swap location	1852	# the temporary/swap location
1273	sub save_path {	1853	sub save_path {
1274	my ($self) = @_;	1854	my ($self) = @_;
1275		1855
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1857	"$TMPDIR/$path.map"
1278	}	1858	}
1279		1859
1280	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1281	sub uniq_path {	1861	sub uniq_path {
1282	my ($self) = @_;	1862	my ($self) = @_;
1283		1863
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1865	"$UNIQUEDIR/$path"
1286	}	1866	}
1287		1867
1288	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1289	# all maps in C++...	1869	# all maps in C++...
1290	sub change_all_map_light {	1870	sub change_all_map_light {
…		…
1292		1872
1293	$_->change_map_light ($change)	1873	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1874	for grep $_->outdoor, values %cf::MAP;
1295	}	1875	}
1296		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
1297	sub unlink_save {	1885	sub unlink_save {
1298	my ($self) = @_;	1886	my ($self) = @_;
1299		1887
1300	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1890	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1891	}
1309		1892
1310	sub load_header_from($) {	1893	sub load_header_from($) {
1311	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1312		1895
1313	utf8::encode $path;	1896	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1319		1905
1320	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1321		1907
1322	1	1908	1
1323	}	1909	}
…		…
1362	$self->load_header_orig	1948	$self->load_header_orig
1363	or return;	1949	or return;
1364	$self->prepare_orig;	1950	$self->prepare_orig;
1365	}	1951	}
1366		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
		1956	$self->default_region (cf::region::find_by_path $self->{path})
		1957	unless $self->default_region;
		1958
1367	1	1959	1
1368	}	1960	}
1369		1961
1370	sub find;	1962	sub find;
1371	sub find {	1963	sub find {
1372	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1373		1965
1374	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1375		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1377		1970
1378	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1379	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1380	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1381	or return;	1976	or return;
1382		1977
1383	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1384		1979
1385	$map->load_header	1980	$map->load_header
1386	or return;	1981	or return;
1387		1982
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1391	$map->reset;	1988	$map->reset;
1392	undef $guard;
1393	return find $path;	1989	return find $path;
1394	}	1990	}
1395		1991
1396	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1397	}	1993	}
…		…
1404	my ($self) = @_;	2000	my ($self) = @_;
1405		2001
1406	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1407		2003
1408	my $path = $self->{path};	2004	my $path = $self->{path};
		2005
		2006	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1410		2008
		2009	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2011
1413	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1414		2013
1415	$self->alloc;	2014	$self->alloc;
1416		2015
1417	$self->pre_load;	2016	$self->pre_load;
		2017	cf::cede_to_tick;
1418		2018
1419	$self->_load_objects ($self->{load_path}, 1)	2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
		2021	$self->_load_objects ($f)
1420	or return;	2022	or return;
1421		2023
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1423	if delete $self->{load_original};	2025	if delete $self->{load_original};
1424		2026
1425	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2028	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2031	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1430	}	2035	}
1431	}	2036	}
1432		2037
1433	Coro::cede;	2038	$f->resolve_delayed_derefs;
1434		2039
		2040	cf::cede_to_tick;
1435	# now do the right thing for maps	2041	# now do the right thing for maps
1436	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2044	unless $self->difficulty;
1446	Coro::cede;	2045	cf::cede_to_tick;
		2046
		2047	unless ($self->{deny_activate}) {
		2048	$self->decay_objects;
		2049	$self->fix_auto_apply;
		2050	$self->update_buttons;
		2051	cf::cede_to_tick;
		2052	$self->set_darkness_map;
		2053	cf::cede_to_tick;
1447	$self->activate;	2054	$self->activate;
		2055	}
		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
		2060	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2061	}
1449		2062
1450	$self->post_load;	2063	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2064	}
1454		2065
1455	sub customise_for {	2066	sub customise_for {
1456	my ($self, $ob) = @_;	2067	my ($self, $ob) = @_;
1457		2068
1458	return find "~" . $ob->name . "/" . $self->{path}	2069	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2070	if $self->per_player;
1460		2071
		2072	# return find "?party/" . $ob->name . "/" . $self->{path}
		2073	# if $self->per_party;
		2074
1461	$self	2075	$self
1462	}	2076	}
1463		2077
1464	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2079	sub load_neighbours {
1466	my ($map) = @_;	2080	my ($map) = @_;
1467		2081
1468	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1469		2083
1470	for (0 .. 3) {	2084	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1472	or next;	2086	or next;
1473	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1474	or next;	2088	or next;
1475	$neigh->load;	2089	$neigh->load;
1476		2090
		2091	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2094	}
1480		2095
1481	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1483	or next;	2099	or next;
1484	$neigh->load;	2100	$neigh->load;
1485	}	2101	}
1486	}	2102	}
1487		2103
…		…
1492	}	2108	}
1493		2109
1494	sub do_load_sync {	2110	sub do_load_sync {
1495	my ($map) = @_;	2111	my ($map) = @_;
1496		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1497	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1498	}	2117	}
1499		2118
1500	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1502		2121
1503	sub find_async {	2122	sub find_async {
1504	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1505		2124
1506	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1507		2126
1508	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2129	}
1511		2130
1512	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1513	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1514	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2138	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2139	$map->load if $v;
		2140	}
1519		2141
1520	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1521	}	2143	}
1522	}	2144	}
1523	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1524	};	2146	};
1525	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2150	}
1529		2151
1530	sub save {	2152	sub save {
1531	my ($self) = @_;	2153	my ($self) = @_;
1532		2154
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2156
1535	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1536		2158
1537	return unless $self->dirty;	2159	return unless $self->dirty;
1538		2160
…		…
1544	return if $self->{deny_save};	2166	return if $self->{deny_save};
1545		2167
1546	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1547		2169
1548	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1550	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1551		2176
1552	if ($uniq) {	2177	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2180	} else {
…		…
1561	my ($self) = @_;	2186	my ($self) = @_;
1562		2187
1563	# save first because save cedes	2188	# save first because save cedes
1564	$self->save;	2189	$self->save;
1565		2190
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2192
1568	return if $self->players;	2193	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1570	return if $self->{deny_save};	2195	return if $self->{deny_save};
1571		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2201	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2202	}
1575		2203
1576	sub reset_at {	2204	sub reset_at {
1577	my ($self) = @_;	2205	my ($self) = @_;
1578		2206
1579	# TODO: safety, remove and allow resettable per-player maps	2207	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2208	return 1e99 if $self->{deny_reset};
1582		2209
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2212
…		…
1596	my ($self) = @_;	2223	my ($self) = @_;
1597		2224
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2226
1600	return if $self->players;	2227	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2228
1603	warn "resetting map ", $self->path;#d#	2229	warn "resetting map ", $self->path;
		2230
		2231	$self->in_memory (cf::MAP_SWAPPED);
		2232
		2233	# need to save uniques path
		2234	unless ($self->{deny_save}) {
		2235	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2236
		2237	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2238	if $uniq;
		2239	}
1604		2240
1605	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1606		2242
1607	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2245	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2246
1612	$self->unlink_save;	2247	$self->unlink_save;
1613	$self->destroy;	2248	$self->destroy;
1614	}	2249	}
1615		2250
1616	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1617		2252
1618	sub nuke {	2253	sub nuke {
1619	my ($self) = @_;	2254	my ($self) = @_;
1620		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1621	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1622		2260
1623	$self->unlink_save;	2261	$self->unlink_save;
1624		2262
1625	bless $self, "cf::map";	2263	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2268
1631	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1632		2271
1633	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
		2273	}
		2274
		2275	=item $maps = cf::map::tmp_maps
		2276
		2277	Returns an arrayref with all map paths of currently instantiated and saved
		2278	maps. May block.
		2279
		2280	=cut
		2281
		2282	sub tmp_maps() {
		2283	[
		2284	map {
		2285	utf8::decode $_;
		2286	/\.map$/
		2287	? normalise $_
		2288	: ()
		2289	} @{ aio_readdir $TMPDIR or [] }
		2290	]
		2291	}
		2292
		2293	=item $maps = cf::map::random_maps
		2294
		2295	Returns an arrayref with all map paths of currently instantiated and saved
		2296	random maps. May block.
		2297
		2298	=cut
		2299
		2300	sub random_maps() {
		2301	[
		2302	map {
		2303	utf8::decode $_;
		2304	/\.map$/
		2305	? normalise "?random/$_"
		2306	: ()
		2307	} @{ aio_readdir $RANDOMDIR or [] }
		2308	]
1634	}	2309	}
1635		2310
1636	=item cf::map::unique_maps	2311	=item cf::map::unique_maps
1637		2312
1638	Returns an arrayref of paths of all shared maps that have	2313	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2314	instantiated unique items. May block.
1640		2315
1641	=cut	2316	=cut
1642		2317
1643	sub unique_maps() {	2318	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2319	[
1645	or return;	2320	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2321	utf8::decode $_;
1651	next if /\.pst$/;	2322	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2324	? ()
1654	push @paths, cf::map::normalise $_;	2325	: normalise $_
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2327	]
1656
1657	\@paths
1658	}	2328	}
1659
1660	package cf;
1661		2329
1662	=back	2330	=back
1663		2331
1664	=head3 cf::object	2332	=head3 cf::object
1665		2333
…		…
1669		2337
1670	=over 4	2338	=over 4
1671		2339
1672	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
1673		2341
1674	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
1675		2344
1676	=cut	2345	=cut
1677		2346
1678	sub inv_recursive_;	2347	sub inv_recursive_;
1679	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
1682		2351
1683	sub inv_recursive {	2352	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
1685	}	2354	}
1686		2355
		2356	=item $ref = $ob->ref
		2357
		2358	Creates and returns a persistent reference to an object that can be stored as a string.
		2359
		2360	=item $ob = cf::object::deref ($refstring)
		2361
		2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2363	even if the object actually exists. May block.
		2364
		2365	=cut
		2366
		2367	sub deref {
		2368	my ($ref) = @_;
		2369
		2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2371	my ($uuid, $name) = ($1, $2);
		2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2373	or return;
		2374	$pl->ob->uuid eq $uuid
		2375	or return;
		2376
		2377	$pl->ob
		2378	} else {
		2379	warn "$ref: cannot resolve object reference\n";
		2380	undef
		2381	}
		2382	}
		2383
1687	package cf;	2384	package cf;
1688		2385
1689	=back	2386	=back
1690		2387
1691	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
1697	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2394	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1698	can be C<undef>. Does the right thing when the player is currently in a	2395	can be C<undef>. Does the right thing when the player is currently in a
1699	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
1700		2397
1701	=cut	2398	=cut
		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
1702		2413
1703	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2415	# with dialog boxes.
1705	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
1706	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
1708		2419
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2421
1711	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1713	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2435	}
1716	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1717	}	2447	}
1718		2448
1719	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1720		2450
1721	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1734		2464
1735	=item $player_object->enter_link	2465	=item $player_object->enter_link
1736		2466
1737	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
1738		2468
1739	The player should be reasonably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time (e.g.
1740	I<MUST> call C<leave_link> as soon as possible, though.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
1741		2473
1742	Will never block.	2474	Will never block.
1743		2475
1744	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
1745		2477
…		…
1768	$self->deactivate_recursive;	2500	$self->deactivate_recursive;
1769		2501
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2502	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2503
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2505	if $self->map && $self->map->{path} ne "{link}";
1774		2506
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2508	}
1777		2509
1778	sub cf::object::player::leave_link {	2510	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2511	my ($self, $map, $x, $y) = @_;
		2512
		2513	return unless $self->contr->active;
1780		2514
1781	my $link_pos = delete $self->{_link_pos};	2515	my $link_pos = delete $self->{_link_pos};
1782		2516
1783	unless ($map) {	2517	unless ($map) {
1784	# restore original map position	2518	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
1801		2535
1802	$map->load;	2536	$map->load;
1803	$map->load_diag;	2537	$map->load_neighbours;
1804		2538
1805	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1806	$self->activate_recursive;	2541	$self->activate_recursive;
		2542
		2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
1808	}	2545	}
1809		2546
1810	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2548
1814	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1818	};	2553	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2554
1824	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1825	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841		2557
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1845		2561
1846	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
		2564
		2565	# do generation counting so two concurrent goto's will be executed in-order
		2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2567
1849	$self->enter_link;	2568	$self->enter_link;
1850		2569
1851	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
1852	my $map = eval {	2592	my $map = eval {
1853	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2596	$map = $map->customise_for ($self);
		2597	$map = $check->($map) if $check && $map;
		2598	} else {
		2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601
1855	$map	2602	$map
		2603	};
		2604
		2605	if ($@) {
		2606	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2608	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1860	})->prio (1);	2616	})->prio (1);
1861	}	2617	}
1862		2618
1863	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1864		2620
…		…
1884	}	2640	}
1885		2641
1886	sub prepare_random_map {	2642	sub prepare_random_map {
1887	my ($exit) = @_;	2643	my ($exit) = @_;
1888		2644
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2647	# that depends on the exit object
1894		2648
1895	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2651	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1902	}	2658	}
1903		2659
1904	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1905		2661
1906	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1909		2665
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2668	undef $fh;
1913	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1914		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1917	}	2677	}
1918	}	2678	}
1919		2679
1920	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
1922		2682
1923	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1924		2684
1925	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
1927	cf::sync_job { prepare_random_map $exit };
1928	}
1929
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;
1933
1934	$self->enter_link;	2685	$self->enter_link;
1935		2686
1936	(async {	2687	(async {
1937	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1938	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
1939	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
1940		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
1941	1;	2711	1
1942	}) {	2712	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1944	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2717
1948	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2719	$self->leave_link;
1950	}	2720	}
1951	})->prio (1);	2721	})->prio (1);
…		…
1964		2734
1965	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1967		2737
1968	utf8::encode $text;	2738	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2740	}
1971		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
		2809	sub cf::client::send_msg {
		2810	my ($self, $channel, $msg, $color, @extra) = @_;
		2811
		2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
		2814
		2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2816
		2817	# check predefined channels, for the benefit of C
		2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
		2826	} elsif (ref $channel) {
		2827	# send meta info to client, if not yet sent
		2828	unless (exists $self->{channel}{$channel->{id}}) {
		2829	$self->{channel}{$channel->{id}} = $channel;
		2830	$self->ext_msg (channel_info => $channel)
		2831	if $self->can_msg;
		2832	}
		2833
		2834	$channel = $channel->{id};
		2835	}
		2836
		2837	return unless @extra || length $msg;
		2838
		2839	if ($self->can_msg) {
		2840	# default colour, mask it out
		2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2842	if $color & cf::NDI_DEF;
		2843
		2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
		2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
		2860	} else {
		2861	if ($color >= 0) {
		2862	# replace some tags by gcfclient-compatible ones
		2863	for ($msg) {
		2864	1 while
		2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2870	}
		2871
		2872	$color &= cf::NDI_COLOR_MASK;
		2873
		2874	utf8::encode $msg;
		2875
		2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
		2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2879	} else {
		2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2881	$self->send_packet ("drawinfo $color $msg")
		2882	}
		2883	}
		2884	}
		2885	}
		2886
		2887	=item $client->ext_msg ($type, @msg)
		2888
		2889	Sends an ext event to the client.
		2890
		2891	=cut
		2892
		2893	sub cf::client::ext_msg($$@) {
		2894	my ($self, $type, @msg) = @_;
		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
		2899	push @msg, msgtype => "event_$type";
		2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		2911	my ($self, $id, @msg) = @_;
		2912
		2913	if ($self->extcmd == 2) {
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2915	} elsif ($self->extcmd == 1) {
		2916	#TODO: version 1, remove
		2917	unshift @msg, msgtype => "reply", msgid => $id;
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2919	}
		2920	}
1972		2921
1973	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
1974		2923
1975	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2925	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2926	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2927
1979	Queries can fail, so check the return code. Or don't, as queries will become	2928	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2929	become reliable at some point in the future.
1981		2930
1982	=cut	2931	=cut
1983		2932
1984	sub cf::client::query {	2933	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2942	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2944
1996	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
1998	}	2949	}
1999		2950
2000	cf::client->attach (	2951	cf::client->attach (
		2952	on_connect => sub {
		2953	my ($ns) = @_;
		2954
		2955	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2956	},
2001	on_reply => sub {	2957	on_reply => sub {
2002	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2003		2959
2004	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2005	# get handled first	2961	# get handled first
…		…
2017	} else {	2973	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2975	}
2020	}	2976	}
2021	},	2977	},
		2978	on_exticmd => sub {
		2979	my ($ns, $buf) = @_;
		2980
		2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2982
		2983	if (ref $msg) {
		2984	my ($type, $reply, @payload) =
		2985	"ARRAY" eq ref $msg
		2986	? @$msg
		2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2988
		2989	my @reply;
		2990
		2991	if (my $cb = $EXTICMD{$type}) {
		2992	@reply = $cb->($ns, @payload);
		2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
		2998	} else {
		2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3000	}
		3001
		3002	cf::override;
		3003	},
2022	);	3004	);
2023		3005
2024	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2025		3007
2026	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2069		3051
2070	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2071		3053
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3054	$safe->permit_only (Opcode::opset qw(
		3055	:base_core :base_mem :base_orig :base_math
		3056	grepstart grepwhile mapstart mapwhile
		3057	sort time
		3058	));
2073		3059
2074	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2075		3061
2076	=pod	3062	=pod
2077		3063
2078	The following fucntions and emthods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2079		3065
2080	cf::object contr pay_amount pay_player map	3066	cf::object
		3067	contr pay_amount pay_player map x y force_find force_add destroy
		3068	insert remove name archname title slaying race decrease split
		3069
2081	cf::object::player player	3070	cf::object::player
2082	cf::player peaceful	3071	player
2083	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2084		3078
2085	=cut	3079	=cut
2086		3080
2087	for (	3081	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2089	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2092	) {	3088	) {
2093	no strict 'refs';	3089	no strict 'refs';
…		…
2164	=back	3160	=back
2165		3161
2166	=cut	3162	=cut
2167		3163
2168	#############################################################################	3164	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	3165	# the server's init and main functions
2278		3166
		3167	sub load_facedata($) {
		3168	my ($path) = @_;
		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
		3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3175
		3176	warn "loading facedata from $path\n";
		3177
		3178	my $facedata;
		3179	0 < aio_load $path, $facedata
		3180	or die "$path: $!";
		3181
		3182	$facedata = Coro::Storable::thaw $facedata;
		3183
		3184	$facedata->{version} == 2
		3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3186
		3187	# patch in the exptable
		3188	$facedata->{resource}{"res/exp_table"} = {
		3189	type => FT_RSRC,
		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3191	};
		3192	cf::cede_to_tick;
		3193
		3194	{
		3195	my $faces = $facedata->{faceinfo};
		3196
		3197	while (my ($face, $info) = each %$faces) {
		3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
		3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
		3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3204
		3205	cf::cede_to_tick;
		3206	}
		3207
		3208	while (my ($face, $info) = each %$faces) {
		3209	next unless $info->{smooth};
		3210
		3211	my $idx = cf::face::find $face
		3212	or next;
		3213
		3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
		3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3217	} else {
		3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	{
		3226	my $anims = $facedata->{animinfo};
		3227
		3228	while (my ($anim, $info) = each %$anims) {
		3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3230	cf::cede_to_tick;
		3231	}
		3232
		3233	cf::anim::invalidate_all; # d'oh
		3234	}
		3235
		3236	{
		3237	# TODO: for gcfclient pleasure, we should give resources
		3238	# that gcfclient doesn't grok a >10000 face index.
		3239	my $res = $facedata->{resource};
		3240
		3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
		3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3244	my $data;
		3245
		3246	if ($info->{type} & 1) {
		3247	# prepend meta info
		3248
		3249	my $meta = $enc->encode ({
		3250	name => $name,
		3251	%{ $info->{meta} || {} },
		3252	});
		3253
		3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
		3261	} else {
		3262	$RESOURCE{$name} = $info;
		3263	}
		3264
		3265	cf::cede_to_tick;
		3266	}
		3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3270
		3271	1
		3272	}
		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
		3293
		3294	register_exticmd fx_want => sub {
		3295	my ($ns, $want) = @_;
		3296
		3297	while (my ($k, $v) = each %$want) {
		3298	$ns->fx_want ($k, $v);
		3299	}
		3300	};
		3301
2279	sub load_resources {	3302	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
		3311
		3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
		3317	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3318	or die "unable to load regions file\n";
2282	}
2283		3319
2284	sub cfg_load {	3320	for (cf::region::list) {
		3321	$_->{match} = qr/$_->{match}/
		3322	if exists $_->{match};
		3323	}
		3324	}
		3325
		3326	sub reload_facedata {
		3327	load_facedata "$DATADIR/facedata"
		3328	or die "unable to load facedata\n";
		3329	}
		3330
		3331	sub reload_archetypes {
		3332	load_resource_file "$DATADIR/archetypes"
		3333	or die "unable to load archetypes\n";
		3334	}
		3335
		3336	sub reload_treasures {
		3337	load_resource_file "$DATADIR/treasures"
		3338	or die "unable to load treasurelists\n";
		3339	}
		3340
		3341	sub reload_resources {
		3342	warn "reloading resource files...\n";
		3343
		3344	reload_facedata;
		3345	reload_archetypes;
		3346	reload_regions;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
		3350	}
		3351
		3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
		3357	reload_resources;
		3358	}
		3359
		3360	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3362	or return;
2287		3363
2288	local $/;	3364	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2290		3366
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2292		3368
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2300	};	3376	};
2301	warn $@ if $@;	3377	warn $@ if $@;
2302	}	3378	}
2303	}	3379	}
2304		3380
2305	sub init {	3381	sub pidfile() {
2306	load_resources;	3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
2307	}	3398	}
2308		3399
2309	sub main {	3400	sub main {
		3401	atomic;
		3402
2310	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3406	(async {
2314	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2316	};	3410	};
2317		3411
2318	cfg_load;	3412	{
2319	db_load;	3413	my $guard = freeze_mainloop;
		3414	reload_config;
		3415	db_init;
2320	load_extensions;	3416	load_extensions;
2321		3417
2322	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
2323	Event::loop;	3426	EV::loop;
2324	}	3427	}
2325		3428
2326	#############################################################################	3429	#############################################################################
2327	# initialisation and cleanup	3430	# initialisation and cleanup
2328		3431
2329	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2330	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2339	},
2340	);	3438	};
		3439	}
		3440	}
		3441
		3442	sub write_runtime_sync {
		3443	# first touch the runtime file to show we are still running:
		3444	# the fsync below can take a very very long time.
		3445
		3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3447
		3448	my $guard = cf::lock_acquire "write_runtime";
		3449
		3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3451	or return;
		3452
		3453	my $value = $cf::RUNTIME + 90 + 10;
		3454	# 10 is the runtime save interval, for a monotonic clock
		3455	# 60 allows for the watchdog to kill the server.
		3456
		3457	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3458	and return;
		3459
		3460	# always fsync - this file is important
		3461	aio_fsync $fh
		3462	and return;
		3463
		3464	# touch it again to show we are up-to-date
		3465	aio_utime $fh, undef, undef;
		3466
		3467	close $fh
		3468	or return;
		3469
		3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3471	and return;
		3472
		3473	warn "runtime file written.\n";
		3474
2341	}	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2342	}	3519	}
2343		3520
2344	sub emergency_save() {	3521	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2346		3523
…		…
2352	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3535	$pl->save;
2358	}	3536	}
2359	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2360		3538
2361	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3541	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3542	$map->valid or next;
2365	$map->save;	3543	$map->save;
2366	}	3544	}
2367	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
		3546
		3547	warn "begin emergency database checkpoint\n";
		3548	BDB::db_env_txn_checkpoint $DB_ENV;
		3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2368	};	3554	};
2369		3555
2370	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2371	}	3557	}
2372		3558
		3559	sub post_cleanup {
		3560	my ($make_core) = @_;
		3561
		3562	warn Carp::longmess "post_cleanup backtrace"
		3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
		3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
		3596
2373	sub reload() {	3597	sub do_reload_perl() {
2374	# can/must only be called in main	3598	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2377	return;	3601	return;
2378	}	3602	}
2379		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2380	warn "reloading...";	3607	warn "reloading...";
2381		3608
2382	warn "cancelling server ticker";	3609	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3610
		3611	cf::sync_job {
		3612	cf::write_runtime_sync; # external watchdog should not bark
2385	cf::emergency_save;	3613	cf::emergency_save;
		3614	cf::write_runtime_sync; # external watchdog should not bark
2386		3615
2387	eval {	3616	warn "syncing database to disk";
		3617	BDB::db_env_txn_checkpoint $DB_ENV;
		3618
2388	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
2389		3620
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397
2398	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2399	for (;;) {	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2400	IO::AIO::flush;	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2401	Coro::cede;
2402	last unless IO::AIO::nreqs;
2403	warn "iterate...";
2404	}
2405
2406	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();
2409
2410	warn "removing commands";
2411	%COMMAND = ();
2412
2413	warn "removing ext commands";
2414	%EXTCMD = ();
2415
2416	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";
2419
2420	if (my $cb = $pkg->can ("unload")) {
2421	eval {
2422	$cb->($pkg);
2423	1
2424	} or warn "$pkg unloaded, but with errors: $@";
2425	}	3624	}
2426		3625
2427	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2428	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2429	}	3628	%EXT_CORO = ();
2430		3629
2431	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2432	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2434		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2435	warn "... unloading $k";	3639	warn "... unloading $pkg";
2436	delete $INC{$k};
2437		3640
2438	$k =~ s/\.pm$//;
2439	$k =~ s/\//::/g;
2440
2441	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2442	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2443	}	3650	}
2444		3651
2445	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
2446	}	3667	}
2447		3668
2448	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2449	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3672
2452	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
		3675	delete $INC{"cf/pod.pm"};
2454		3676
2455	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3678	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2458		3680
2459	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2460		3682
2461	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2462	require cf;	3684	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3686
2465	warn "loading config and database again";	3687	warn "loading config and database again";
2466	cf::cfg_load;	3688	cf::reload_config;
2467	cf::db_load;
2468		3689
2469	warn "loading extensions";	3690	warn "loading extensions";
2470	cf::load_extensions;	3691	cf::load_extensions;
2471		3692
2472	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3694	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
		3697	warn "reattaching attachments to players";
		3698	reattach $_ for values %PLAYER;
2476		3699
2477	warn "loading reloadable resources";	3700	warn "leaving sync_job";
2478	load_resources;
2479		3701
2480	warn "restarting server ticker";	3702	1
		3703	} or do {
		3704	warn $@;
		3705	cf::cleanup "error while reloading, exiting.";
		3706	};
2481		3707
2482	$TICK_WATCHER->start;	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
		3711	};
		3712
		3713	our $RELOAD_WATCHER; # used only during reload
		3714
		3715	sub reload_perl() {
		3716	# doing reload synchronously and two reloads happen back-to-back,
		3717	# coro crashes during coro_state_free->destroy here.
		3718
		3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3720	do_reload_perl;
		3721	undef $RELOAD_WATCHER;
2483	};	3722	};
2484		3723	}
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490
2491	warn "reloaded";
2492	};
2493
2494	our $RELOAD_WATCHER; # used only during reload
2495		3724
2496	register_command "reload" => sub {	3725	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2498		3727
2499	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
2501		3730	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3731	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3732	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3733	};
2514	}	3734	}
2515	};	3735	};
2516		3736
2517	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2518		3738
2519	my $bug_warning = 0;	3739	my $bug_warning = 0;
2520		3740
2521	$TICK_WATCHER = Event->timer (	3741	our @WAIT_FOR_TICK;
2522	reentrant => 0,	3742	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	3743
2524	prio => 0,	3744	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	3746
2527	cb => sub {	3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub wait_for_tick_begin {
		3753	return if tick_inhibit || $Coro::current == $Coro::main;
		3754
		3755	my $signal = new Coro::Signal;
		3756	push @WAIT_FOR_TICK_BEGIN, $signal;
		3757	$signal->wait;
		3758	}
		3759
		3760	sub tick {
2528	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2531	return;	3764	return;
2532	}	3765	}
2533		3766
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		3768
2540	$WAIT_FOR_TICK->broadcast;	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2542		3771	Coro::async_pool {
2543	Event::sweep;	3772	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;
2545
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},
2555	);
2556
2557	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568
2569	$WRITE_RUNTIME_WATCHER = Event->timer (
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	after => 1,
2573	interval => 10,
2574	prio => 6, # keep it lowest so it acts like a watchdog
2575	cb => Coro::unblock_sub {
2576	write_runtime	3773	write_runtime_sync
2577	or warn "ERROR: unable to write runtime file: $!";	3774	or warn "ERROR: unable to write runtime file: $!";
		3775	};
2578	},	3776	}
2579	);	3777
		3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3779	$sig->send;
		3780	}
		3781	while (my $sig = shift @WAIT_FOR_TICK) {
		3782	$sig->send;
		3783	}
		3784
		3785	$LOAD = ($NOW - $TICK_START) / $TICK;
		3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3787
		3788	if (0) {
		3789	if ($NEXT_TICK) {
		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
		3794	}
		3795	}
		3796
		3797	{
		3798	# configure BDB
		3799
		3800	BDB::min_parallel 8;
		3801	BDB::max_poll_reqs $TICK * 0.1;
		3802	$AnyEvent::BDB::WATCHER->priority (1);
		3803
		3804	unless ($DB_ENV) {
		3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3811
		3812	cf::sync_job {
		3813	eval {
		3814	BDB::db_env_open
		3815	$DB_ENV,
		3816	$BDBDIR,
		3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3819	0666;
		3820
		3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3822	};
		3823
		3824	cf::cleanup "db_env_open(db): $@" if $@;
		3825	};
		3826	}
		3827
		3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3830	};
		3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3833	};
		3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3836	};
		3837	}
		3838
		3839	{
		3840	# configure IO::AIO
		3841
		3842	IO::AIO::min_parallel 8;
		3843	IO::AIO::max_poll_time $TICK * 0.1;
		3844	undef $AnyEvent::AIO::WATCHER;
		3845	}
		3846
		3847	my $_log_backtrace;
		3848
		3849	sub _log_backtrace {
		3850	my ($msg, @addr) = @_;
		3851
		3852	$msg =~ s/\n//;
		3853
		3854	# limit the # of concurrent backtraces
		3855	if ($_log_backtrace < 2) {
		3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
		3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
		3861	my @bt = fork_call {
		3862	@addr = map { sprintf "%x", $_ } @addr;
		3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3865	or die "addr2line: $!";
		3866
		3867	my @funcs;
		3868	my @res = <$fh>;
		3869	chomp for @res;
		3870	while (@res) {
		3871	my ($func, $line) = splice @res, 0, 2, ();
		3872	push @funcs, "[$func] $line";
		3873	}
		3874
		3875	@funcs
		3876	};
		3877
		3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3880	LOG llevInfo, "[ABT] $_\n" for @bt;
		3881	--$_log_backtrace;
		3882	};
		3883	} else {
		3884	LOG llevInfo, "[ABT] $msg\n";
		3885	LOG llevInfo, "[ABT] [suppressed]\n";
		3886	}
		3887	}
		3888
		3889	# load additional modules
		3890	use cf::pod;
2580		3891
2581	END { cf::emergency_save }	3892	END { cf::emergency_save }
2582		3893
2583	1	3894	1
2584		3895

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